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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/vcl
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--canvas/source/vcl/backbuffer.cxx59
-rw-r--r--canvas/source/vcl/backbuffer.hxx50
-rw-r--r--canvas/source/vcl/bitmapbackbuffer.cxx147
-rw-r--r--canvas/source/vcl/bitmapbackbuffer.hxx93
-rw-r--r--canvas/source/vcl/cachedbitmap.cxx93
-rw-r--r--canvas/source/vcl/cachedbitmap.hxx66
-rw-r--r--canvas/source/vcl/canvas.cxx122
-rw-r--r--canvas/source/vcl/canvas.hxx112
-rw-r--r--canvas/source/vcl/canvasbitmap.cxx122
-rw-r--r--canvas/source/vcl/canvasbitmap.hxx117
-rw-r--r--canvas/source/vcl/canvasbitmaphelper.cxx176
-rw-r--r--canvas/source/vcl/canvasbitmaphelper.hxx106
-rw-r--r--canvas/source/vcl/canvascustomsprite.cxx158
-rw-r--r--canvas/source/vcl/canvascustomsprite.hxx116
-rw-r--r--canvas/source/vcl/canvasfont.cxx177
-rw-r--r--canvas/source/vcl/canvasfont.hxx87
-rw-r--r--canvas/source/vcl/canvashelper.cxx1184
-rw-r--r--canvas/source/vcl/canvashelper.hxx309
-rw-r--r--canvas/source/vcl/canvashelper_texturefill.cxx1088
-rw-r--r--canvas/source/vcl/devicehelper.cxx217
-rw-r--r--canvas/source/vcl/devicehelper.hxx86
-rw-r--r--canvas/source/vcl/impltools.cxx239
-rw-r--r--canvas/source/vcl/impltools.hxx178
-rw-r--r--canvas/source/vcl/outdevholder.hxx50
-rw-r--r--canvas/source/vcl/outdevprovider.hxx50
-rw-r--r--canvas/source/vcl/repainttarget.hxx52
-rw-r--r--canvas/source/vcl/sprite.hxx65
-rw-r--r--canvas/source/vcl/spritecanvas.cxx187
-rw-r--r--canvas/source/vcl/spritecanvas.hxx163
-rw-r--r--canvas/source/vcl/spritecanvashelper.cxx661
-rw-r--r--canvas/source/vcl/spritecanvashelper.hxx169
-rw-r--r--canvas/source/vcl/spritedevicehelper.cxx119
-rw-r--r--canvas/source/vcl/spritedevicehelper.hxx60
-rw-r--r--canvas/source/vcl/spritehelper.cxx231
-rw-r--r--canvas/source/vcl/spritehelper.hxx108
-rw-r--r--canvas/source/vcl/textlayout.cxx428
-rw-r--r--canvas/source/vcl/textlayout.hxx103
-rw-r--r--canvas/source/vcl/vclcanvas.component30
-rw-r--r--canvas/source/vcl/windowoutdevholder.cxx49
-rw-r--r--canvas/source/vcl/windowoutdevholder.hxx56
40 files changed, 7683 insertions, 0 deletions
diff --git a/canvas/source/vcl/backbuffer.cxx b/canvas/source/vcl/backbuffer.cxx
new file mode 100644
index 000000000..684a02c8b
--- /dev/null
+++ b/canvas/source/vcl/backbuffer.cxx
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <vcl/svapp.hxx>
+
+#include "backbuffer.hxx"
+#include "impltools.hxx"
+
+
+namespace vclcanvas
+{
+ BackBuffer::BackBuffer( const OutputDevice& rRefDevice ) :
+ maVDev( VclPtr<VirtualDevice>::Create( rRefDevice, DeviceFormat::DEFAULT ) )
+ {
+ tools::SetDefaultDeviceAntiAliasing( maVDev );
+ }
+
+ BackBuffer::~BackBuffer()
+ {
+ SolarMutexGuard aGuard;
+ maVDev.disposeAndClear();
+ }
+
+ OutputDevice& BackBuffer::getOutDev()
+ {
+ return *maVDev;
+ }
+
+ const OutputDevice& BackBuffer::getOutDev() const
+ {
+ return *maVDev;
+ }
+
+ void BackBuffer::setSize( const ::Size& rNewSize )
+ {
+ maVDev->SetOutputSizePixel( rNewSize );
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/backbuffer.hxx b/canvas/source/vcl/backbuffer.hxx
new file mode 100644
index 000000000..0e31111b6
--- /dev/null
+++ b/canvas/source/vcl/backbuffer.hxx
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <vcl/virdev.hxx>
+
+#include "outdevprovider.hxx"
+
+#include <memory>
+
+namespace vclcanvas
+{
+ /// Background buffer abstraction
+ class BackBuffer : public OutDevProvider
+ {
+ public:
+ /** Create a backbuffer for given reference device */
+ BackBuffer( const OutputDevice& rRefDevice );
+ virtual ~BackBuffer() override;
+
+ virtual OutputDevice& getOutDev() override;
+ virtual const OutputDevice& getOutDev() const override;
+
+ void setSize( const ::Size& rNewSize );
+
+ private:
+ VclPtr< VirtualDevice > maVDev;
+ };
+
+ typedef std::shared_ptr< BackBuffer > BackBufferSharedPtr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/bitmapbackbuffer.cxx b/canvas/source/vcl/bitmapbackbuffer.cxx
new file mode 100644
index 000000000..d6f87e3c0
--- /dev/null
+++ b/canvas/source/vcl/bitmapbackbuffer.cxx
@@ -0,0 +1,147 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <osl/diagnose.h>
+#include <vcl/bitmapex.hxx>
+#include <vcl/svapp.hxx>
+
+#include "bitmapbackbuffer.hxx"
+#include "impltools.hxx"
+
+namespace vclcanvas
+{
+ BitmapBackBuffer::BitmapBackBuffer( const BitmapEx& rBitmap,
+ const OutputDevice& rRefDevice ) :
+ maBitmap( rBitmap ),
+ mpVDev( nullptr ),
+ mrRefDevice( rRefDevice ),
+ mbBitmapContentIsCurrent( false ),
+ mbVDevContentIsCurrent( false )
+ {
+ }
+
+ BitmapBackBuffer::~BitmapBackBuffer()
+ {
+ // make sure solar mutex is held on deletion (other methods
+ // are supposed to be called with already locked solar mutex)
+ SolarMutexGuard aGuard;
+
+ mpVDev.disposeAndClear();
+ }
+
+ OutputDevice& BitmapBackBuffer::getOutDev()
+ {
+ createVDev();
+ updateVDev();
+ return *mpVDev;
+ }
+
+ const OutputDevice& BitmapBackBuffer::getOutDev() const
+ {
+ createVDev();
+ updateVDev();
+ return *mpVDev;
+ }
+
+ void BitmapBackBuffer::clear()
+ {
+ // force current content to bitmap, make all transparent white
+ getBitmapReference().Erase(COL_TRANSPARENT);
+ }
+
+ BitmapEx& BitmapBackBuffer::getBitmapReference()
+ {
+ OSL_ENSURE( !mbBitmapContentIsCurrent || !mbVDevContentIsCurrent,
+ "BitmapBackBuffer::getBitmapReference(): Both bitmap and VDev are valid?!" );
+
+ if( mbVDevContentIsCurrent && mpVDev )
+ {
+ // VDev content is more current than bitmap - copy contents before!
+ mpVDev->EnableMapMode( false );
+ mpVDev->SetAntialiasing( AntialiasingFlags::Enable );
+ const Point aEmptyPoint;
+ *maBitmap = mpVDev->GetBitmapEx( aEmptyPoint,
+ mpVDev->GetOutputSizePixel() );
+ }
+
+ // client queries bitmap, and will possibly alter content -
+ // next time, VDev needs to be updated
+ mbBitmapContentIsCurrent = true;
+ mbVDevContentIsCurrent = false;
+
+ return *maBitmap;
+ }
+
+ Size BitmapBackBuffer::getBitmapSizePixel() const
+ {
+ Size aSize = maBitmap->GetSizePixel();
+
+ if( mbVDevContentIsCurrent && mpVDev )
+ {
+ mpVDev->EnableMapMode( false );
+ mpVDev->SetAntialiasing( AntialiasingFlags::Enable );
+ aSize = mpVDev->GetOutputSizePixel();
+ }
+
+ return aSize;
+ }
+
+ void BitmapBackBuffer::createVDev() const
+ {
+ if( mpVDev )
+ return;
+
+ // VDev not yet created, do it now. Create an alpha-VDev,
+ // if bitmap has transparency.
+ mpVDev = maBitmap->IsAlpha() ?
+ VclPtr<VirtualDevice>::Create( mrRefDevice, DeviceFormat::DEFAULT, DeviceFormat::DEFAULT ) :
+ VclPtr<VirtualDevice>::Create( mrRefDevice );
+
+ OSL_ENSURE( mpVDev,
+ "BitmapBackBuffer::createVDev(): Unable to create VirtualDevice" );
+
+ mpVDev->SetOutputSizePixel( maBitmap->GetSizePixel() );
+
+ tools::SetDefaultDeviceAntiAliasing( mpVDev );
+ }
+
+ void BitmapBackBuffer::updateVDev() const
+ {
+ OSL_ENSURE( !mbBitmapContentIsCurrent || !mbVDevContentIsCurrent,
+ "BitmapBackBuffer::updateVDev(): Both bitmap and VDev are valid?!" );
+
+ if( mpVDev && mbBitmapContentIsCurrent )
+ {
+ // fill with bitmap content
+ mpVDev->EnableMapMode( false );
+ mpVDev->SetAntialiasing( AntialiasingFlags::Enable );
+ const Point aEmptyPoint;
+ mpVDev->DrawBitmapEx( aEmptyPoint, *maBitmap );
+ }
+
+ // canvas queried the VDev, and will possibly paint into
+ // it. Next time, bitmap must be updated
+ mbBitmapContentIsCurrent = false;
+ mbVDevContentIsCurrent = true;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/bitmapbackbuffer.hxx b/canvas/source/vcl/bitmapbackbuffer.hxx
new file mode 100644
index 000000000..9098e7e93
--- /dev/null
+++ b/canvas/source/vcl/bitmapbackbuffer.hxx
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <vcl/virdev.hxx>
+#include <vcl/bitmapex.hxx>
+
+#include <vclwrapper.hxx>
+#include "outdevprovider.hxx"
+
+#include <memory>
+
+namespace vclcanvas
+{
+ /** Backbuffer implementation for canvas bitmap.
+
+ This class abstracts away the renderable bitmap for the bitmap
+ canvas. The actual VirtualDevice is only created when
+ necessary, which makes read-only bitmaps a lot smaller.
+ */
+ class BitmapBackBuffer : public OutDevProvider
+ {
+ public:
+ /** Create a backbuffer for given reference device
+ */
+ BitmapBackBuffer( const BitmapEx& rBitmap,
+ const OutputDevice& rRefDevice );
+
+ virtual ~BitmapBackBuffer() override;
+
+ virtual OutputDevice& getOutDev() override;
+ virtual const OutputDevice& getOutDev() const override;
+
+ /// Clear the underlying bitmap to white, all transparent
+ void clear();
+
+ /** Exposing our internal bitmap. Only to be used from
+ CanvasBitmapHelper
+
+ @internal
+ */
+ BitmapEx& getBitmapReference();
+ Size getBitmapSizePixel() const;
+
+ private:
+ void createVDev() const;
+ void updateVDev() const;
+
+ ::canvas::vcltools::VCLObject<BitmapEx> maBitmap;
+ mutable VclPtr<VirtualDevice> mpVDev; // created only on demand
+
+ const OutputDevice& mrRefDevice;
+
+ /** When true, the bitmap contains the last valid
+ content. When false, and mbVDevContentIsCurrent is true,
+ the VDev contains the last valid content (which must be
+ copied back to the bitmap, when getBitmapReference() is
+ called). When both are false, this object is just
+ initialized.
+ */
+ mutable bool mbBitmapContentIsCurrent;
+
+ /** When true, and mpVDev is non-NULL, the VDev contains the
+ last valid content. When false, and
+ mbBitmapContentIsCurrent is true, the bitmap contains the
+ last valid content. When both are false, this object is
+ just initialized.
+ */
+ mutable bool mbVDevContentIsCurrent;
+ };
+
+ typedef std::shared_ptr< BitmapBackBuffer > BitmapBackBufferSharedPtr;
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/cachedbitmap.cxx b/canvas/source/vcl/cachedbitmap.cxx
new file mode 100644
index 000000000..2d44133a7
--- /dev/null
+++ b/canvas/source/vcl/cachedbitmap.cxx
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/RepaintResult.hpp>
+#include <utility>
+#include <tools/diagnose_ex.h>
+
+#include "cachedbitmap.hxx"
+#include "repainttarget.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ CachedBitmap::CachedBitmap( GraphicObjectSharedPtr xGraphicObject,
+ const ::Point& rPoint,
+ const ::Size& rSize,
+ const GraphicAttr& rAttr,
+ const rendering::ViewState& rUsedViewState,
+ rendering::RenderState aUsedRenderState,
+ const uno::Reference< rendering::XCanvas >& rTarget ) :
+ CachedPrimitiveBase( rUsedViewState, rTarget ),
+ mpGraphicObject(std::move( xGraphicObject )),
+ maRenderState(std::move(aUsedRenderState)),
+ maPoint( rPoint ),
+ maSize( rSize ),
+ maAttributes( rAttr )
+ {
+ }
+
+ void SAL_CALL CachedBitmap::disposing()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ mpGraphicObject.reset();
+
+ CachedPrimitiveBase::disposing();
+ }
+
+ ::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState& rNewState,
+ const rendering::ViewState& rOldState,
+ const uno::Reference< rendering::XCanvas >& rTargetCanvas,
+ bool bSameViewTransform )
+ {
+ ENSURE_OR_THROW( bSameViewTransform,
+ "CachedBitmap::doRedraw(): base called with changed view transform "
+ "(told otherwise during construction)" );
+
+ // TODO(P1): Could adapt to modified clips as well
+ if( rNewState.Clip != rOldState.Clip )
+ return rendering::RepaintResult::FAILED;
+
+ RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
+
+ ENSURE_OR_THROW( pTarget,
+ "CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
+
+ if( !pTarget->repaint( mpGraphicObject,
+ rNewState,
+ maRenderState,
+ maPoint,
+ maSize,
+ maAttributes ) )
+ {
+ // target failed to repaint
+ return rendering::RepaintResult::FAILED;
+ }
+
+ return rendering::RepaintResult::REDRAWN;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/cachedbitmap.hxx b/canvas/source/vcl/cachedbitmap.hxx
new file mode 100644
index 000000000..0ef04654d
--- /dev/null
+++ b/canvas/source/vcl/cachedbitmap.hxx
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <base/cachedprimitivebase.hxx>
+#include <vcl/GraphicObject.hxx>
+#include <memory>
+
+
+/* Definition of CachedBitmap class */
+
+namespace vclcanvas
+{
+ typedef std::shared_ptr< GraphicObject > GraphicObjectSharedPtr;
+
+ class CachedBitmap : public ::canvas::CachedPrimitiveBase
+ {
+ public:
+
+ /** Create an XCachedPrimitive for given GraphicObject
+ */
+ CachedBitmap( GraphicObjectSharedPtr xGraphicObject,
+ const ::Point& rPoint,
+ const ::Size& rSize,
+ const GraphicAttr& rAttr,
+ const css::rendering::ViewState& rUsedViewState,
+ css::rendering::RenderState aUsedRenderState,
+ const css::uno::Reference< css::rendering::XCanvas >& rTarget );
+
+ /// Dispose all internal references
+ virtual void SAL_CALL disposing() override;
+
+ private:
+ virtual ::sal_Int8 doRedraw( const css::rendering::ViewState& rNewState,
+ const css::rendering::ViewState& rOldState,
+ const css::uno::Reference< css::rendering::XCanvas >& rTargetCanvas,
+ bool bSameViewTransform ) override;
+
+
+ GraphicObjectSharedPtr mpGraphicObject;
+ const css::rendering::RenderState maRenderState;
+ const ::Point maPoint;
+ const ::Size maSize;
+ const GraphicAttr maAttributes;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvas.cxx b/canvas/source/vcl/canvas.cxx
new file mode 100644
index 000000000..e9ebf85b3
--- /dev/null
+++ b/canvas/source/vcl/canvas.cxx
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include "canvas.hxx"
+
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <sal/log.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/outdev.hxx>
+
+#include "outdevholder.hxx"
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ Canvas::Canvas( const uno::Sequence< uno::Any >& aArguments,
+ const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) :
+ maArguments(aArguments)
+ {
+ }
+
+ void Canvas::initialize()
+ {
+ // #i64742# Only perform initialization when not in probe mode
+ if( !maArguments.hasElements() )
+ return;
+
+ /* maArguments:
+ 0: ptr to creating instance (Window or VirtualDevice)
+ 1: current bounds of creating instance
+ 2: bool, denoting always on top state for Window (always false for VirtualDevice)
+ 3: XWindow for creating Window (or empty for VirtualDevice)
+ 4: SystemGraphicsData as a streamed Any
+ */
+ SolarMutexGuard aGuard;
+
+ SAL_INFO("canvas.vcl", "VCLCanvas::initialize called" );
+
+ ENSURE_ARG_OR_THROW( maArguments.getLength() >= 5 &&
+ maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER,
+ "Canvas::initialize: wrong number of arguments, or wrong types" );
+
+ sal_Int64 nPtr = 0;
+ maArguments[0] >>= nPtr;
+
+ OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr);
+ if( !pOutDev )
+ throw lang::NoSupportException("Passed OutDev invalid!", nullptr);
+
+ OutDevProviderSharedPtr pOutdevProvider = std::make_shared<OutDevHolder>(*pOutDev);
+
+ // setup helper
+ maDeviceHelper.init( pOutdevProvider );
+ maCanvasHelper.init( *this,
+ pOutdevProvider,
+ true, // OutDev state preservation
+ false ); // no alpha on surface
+
+ maArguments.realloc(0);
+ }
+
+ Canvas::~Canvas()
+ {
+ SAL_INFO("canvas.vcl", "VCLCanvas destroyed" );
+ }
+
+ void Canvas::disposeThis()
+ {
+ SolarMutexGuard aGuard;
+
+ // forward to parent
+ CanvasBaseT::disposeThis();
+ }
+
+ OUString SAL_CALL Canvas::getServiceName( )
+ {
+ return "com.sun.star.rendering.Canvas.VCL";
+ }
+
+ bool Canvas::repaint( const GraphicObjectSharedPtr& rGrf,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const
+ {
+ SolarMutexGuard aGuard;
+
+ return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
+ }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_rendering_Canvas_VCL_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+ rtl::Reference<vclcanvas::Canvas> p = new vclcanvas::Canvas(args, context);
+ cppu::acquire(p.get());
+ p->initialize();
+ return static_cast<cppu::OWeakObject*>(p.get());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvas.hxx b/canvas/source/vcl/canvas.hxx
new file mode 100644
index 000000000..be7d7858e
--- /dev/null
+++ b/canvas/source/vcl/canvas.hxx
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/lang/XServiceName.hpp>
+#include <com/sun/star/util/XUpdatable.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+
+#include <cppuhelper/compbase.hxx>
+#include <comphelper/uno3.hxx>
+
+#include <base/basemutexhelper.hxx>
+#include <base/bitmapcanvasbase.hxx>
+#include <base/integerbitmapbase.hxx>
+#include <base/graphicdevicebase.hxx>
+
+#include "canvashelper.hxx"
+#include "impltools.hxx"
+#include "devicehelper.hxx"
+#include "repainttarget.hxx"
+
+namespace vclcanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
+ css::rendering::XIntegerBitmap,
+ css::rendering::XGraphicDevice,
+ css::lang::XMultiServiceFactory,
+ css::util::XUpdatable,
+ css::beans::XPropertySet,
+ css::lang::XServiceName > GraphicDeviceBase_Base;
+ typedef ::canvas::GraphicDeviceBase< ::canvas::BaseMutexHelper< GraphicDeviceBase_Base >,
+ DeviceHelper,
+ tools::LocalGuard,
+ ::cppu::OWeakObject > CanvasBase_Base;
+ typedef ::canvas::IntegerBitmapBase<
+ canvas::BitmapCanvasBase2<
+ CanvasBase_Base,
+ CanvasHelper,
+ tools::LocalGuard,
+ ::cppu::OWeakObject> > CanvasBaseT;
+
+ /** Product of this component's factory.
+
+ The Canvas object combines the actual Window canvas with
+ the XGraphicDevice interface. This is because there's a
+ one-to-one relation between them, anyway, since each window
+ can have exactly one canvas and one associated
+ XGraphicDevice. And to avoid messing around with circular
+ references, this is implemented as one single object.
+ */
+ class Canvas : public CanvasBaseT,
+ public RepaintTarget
+ {
+ public:
+ Canvas( const css::uno::Sequence<
+ css::uno::Any >& aArguments,
+ const css::uno::Reference<
+ css::uno::XComponentContext >& rxContext );
+
+ void initialize();
+
+ /// For resource tracking
+ virtual ~Canvas() override;
+
+ /// Dispose all internal references
+ virtual void disposeThis() override;
+
+ // Forwarding the XComponent implementation to the
+ // cppu::ImplHelper templated base
+ // Classname Base doing refcounting Base implementing the XComponent interface
+ // | | |
+ // V V V
+ DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( Canvas, GraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase )
+
+ // XServiceName
+ virtual OUString SAL_CALL getServiceName( ) override;
+
+ // RepaintTarget
+ virtual bool repaint( const GraphicObjectSharedPtr& rGrf,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const override;
+
+ private:
+ css::uno::Sequence< css::uno::Any > maArguments;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvasbitmap.cxx b/canvas/source/vcl/canvasbitmap.cxx
new file mode 100644
index 000000000..9ae37c2c4
--- /dev/null
+++ b/canvas/source/vcl/canvasbitmap.cxx
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cppuhelper/supportsservice.hxx>
+
+#include "canvasbitmap.hxx"
+
+
+using namespace ::com::sun::star;
+
+
+namespace vclcanvas
+{
+ // Currently, the only way to generate an XBitmap is from
+ // XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even
+ // take a bitmap here, but a VDev directly.
+ CanvasBitmap::CanvasBitmap( const ::Size& rSize,
+ bool bAlphaBitmap,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider )
+ {
+ // create bitmap for given reference device
+ // ========================================
+ Bitmap aBitmap(rSize, vcl::PixelFormat::N24_BPP);
+
+ // only create alpha channel bitmap, if factory requested
+ // that. Providing alpha-channeled bitmaps by default has,
+ // especially under VCL, a huge performance penalty (have to
+ // use alpha VDev, then).
+ if( bAlphaBitmap )
+ {
+ AlphaMask aAlpha ( rSize );
+
+ maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ),
+ rDevice,
+ rOutDevProvider );
+ }
+ else
+ {
+ maCanvasHelper.init( BitmapEx( aBitmap ),
+ rDevice,
+ rOutDevProvider );
+ }
+ }
+
+ CanvasBitmap::CanvasBitmap( const BitmapEx& rBitmap,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider )
+ {
+ maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider );
+ }
+
+
+ OUString SAL_CALL CanvasBitmap::getImplementationName( )
+ {
+ return "VCLCanvas.CanvasBitmap";
+ }
+
+ sal_Bool SAL_CALL CanvasBitmap::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService( this, ServiceName );
+ }
+
+ uno::Sequence< OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( )
+ {
+ return { "com.sun.star.rendering.CanvasBitmap" };
+ }
+
+ BitmapEx CanvasBitmap::getBitmap() const
+ {
+ SolarMutexGuard aGuard;
+
+ // TODO(T3): Rework to use shared_ptr all over the place for
+ // BmpEx. This is highly un-threadsafe
+ return maCanvasHelper.getBitmap();
+ }
+
+ bool CanvasBitmap::repaint( const GraphicObjectSharedPtr& rGrf,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const
+ {
+ SolarMutexGuard aGuard;
+
+ mbSurfaceDirty = true;
+
+ return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
+ }
+
+ uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle )
+ {
+ if( nHandle == 0 ) {
+ BitmapEx* pBitmapEx = new BitmapEx( getBitmap() );
+
+ return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) );
+ }
+
+ return uno::Any( sal_Int64(0) );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvasbitmap.hxx b/canvas/source/vcl/canvasbitmap.hxx
new file mode 100644
index 000000000..1a95ce8c6
--- /dev/null
+++ b/canvas/source/vcl/canvasbitmap.hxx
@@ -0,0 +1,117 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <cppuhelper/compbase.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/beans/XFastPropertySet.hpp>
+
+#include <vcl/bitmapex.hxx>
+
+#include <base/bitmapcanvasbase.hxx>
+#include <base/basemutexhelper.hxx>
+#include <base/integerbitmapbase.hxx>
+#include "canvasbitmaphelper.hxx"
+
+#include "impltools.hxx"
+#include "repainttarget.hxx"
+
+
+/* Definition of CanvasBitmap class */
+
+namespace vclcanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
+ css::rendering::XIntegerBitmap,
+ css::lang::XServiceInfo,
+ css::beans::XFastPropertySet > CanvasBitmapBase_Base;
+ typedef ::canvas::IntegerBitmapBase<
+ canvas::BitmapCanvasBase2<
+ ::canvas::BaseMutexHelper< CanvasBitmapBase_Base >,
+ CanvasBitmapHelper,
+ tools::LocalGuard,
+ ::cppu::OWeakObject> > CanvasBitmap_Base;
+
+ class CanvasBitmap : public CanvasBitmap_Base,
+ public RepaintTarget
+ {
+ public:
+ /** Must be called with locked Solar mutex
+
+ @param rSize
+ Size in pixel of the bitmap to generate
+
+ @param bAlphaBitmap
+ When true, bitmap will have an alpha channel
+
+ @param rDevice
+ Reference device, with which bitmap should be compatible
+ */
+ CanvasBitmap( const ::Size& rSize,
+ bool bAlphaBitmap,
+ css::rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider );
+
+ /// Must be called with locked Solar mutex
+ CanvasBitmap( const BitmapEx& rBitmap,
+ css::rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider );
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName( ) override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
+
+ // RepaintTarget interface
+ virtual bool repaint( const GraphicObjectSharedPtr& rGrf,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const override;
+
+ /// Not threadsafe! Returned object is shared!
+ BitmapEx getBitmap() const;
+
+ // XFastPropertySet
+ // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
+ // handle values have these meanings:
+ // 0 ... get pointer to BitmapEx
+ // 1 ... get X pixmap handle to rgb content
+ // 2 ... get X pixmap handle to alpha mask
+ // returned any contains either BitmapEx pointer or array of three Any value
+ // 1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
+ // 2nd the pixmap handle (sal_Int64)
+ // 3rd the pixmap depth
+ virtual css::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle) override;
+ virtual void SAL_CALL setFastPropertyValue(sal_Int32, const css::uno::Any&) override {}
+
+ private:
+ /** MUST hold here, too, since CanvasHelper only contains a
+ raw pointer (without refcounting)
+ */
+ css::uno::Reference<css::rendering::XGraphicDevice> mxDevice;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvasbitmaphelper.cxx b/canvas/source/vcl/canvasbitmaphelper.cxx
new file mode 100644
index 000000000..85b886d70
--- /dev/null
+++ b/canvas/source/vcl/canvasbitmaphelper.cxx
@@ -0,0 +1,176 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <canvas/canvastools.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/bitmapex.hxx>
+#include <vcl/BitmapTools.hxx>
+#include <vcl/canvastools.hxx>
+
+#include "canvasbitmap.hxx"
+#include "canvasbitmaphelper.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ CanvasBitmapHelper::CanvasBitmapHelper()
+ {
+ }
+
+ void CanvasBitmapHelper::init( const BitmapEx& rBitmap,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevReference )
+ {
+ mpOutDevReference = rOutDevReference;
+ mpBackBuffer = std::make_shared<BitmapBackBuffer>( rBitmap, rOutDevReference->getOutDev() );
+
+ // forward new settings to base class (ref device, output
+ // surface, no protection (own backbuffer), alpha depends on
+ // whether BmpEx is transparent or not)
+ CanvasHelper::init( rDevice,
+ mpBackBuffer,
+ false,
+ rBitmap.IsAlpha() );
+ }
+
+ void CanvasBitmapHelper::disposing()
+ {
+ mpBackBuffer.reset();
+ mpOutDevReference.reset();
+
+ // forward to base class
+ CanvasHelper::disposing();
+ }
+
+ geometry::IntegerSize2D CanvasBitmapHelper::getSize() const
+ {
+ if( !mpBackBuffer )
+ return geometry::IntegerSize2D();
+
+ return vcl::unotools::integerSize2DFromSize( mpBackBuffer->getBitmapSizePixel() );
+ }
+
+ void CanvasBitmapHelper::clear()
+ {
+ // are we disposed?
+ if( mpBackBuffer )
+ mpBackBuffer->clear(); // alpha vdev needs special treatment
+ }
+
+ uno::Reference< rendering::XBitmap > CanvasBitmapHelper::getScaledBitmap( const geometry::RealSize2D& newSize,
+ bool beFast )
+ {
+ ENSURE_OR_THROW( mpDevice,
+ "disposed CanvasHelper" );
+
+ SAL_INFO( "canvas.vcl", "::vclcanvas::CanvasBitmapHelper::getScaledBitmap()" );
+
+ if( !mpBackBuffer || mpDevice )
+ return uno::Reference< rendering::XBitmap >(); // we're disposed
+
+ BitmapEx aRes( mpBackBuffer->getBitmapReference() );
+
+ aRes.Scale( vcl::unotools::sizeFromRealSize2D(newSize),
+ beFast ? BmpScaleFlag::Default : BmpScaleFlag::BestQuality );
+
+ return uno::Reference< rendering::XBitmap >(
+ new CanvasBitmap( aRes, *mpDevice, mpOutDevReference ) );
+ }
+
+ uno::Sequence< sal_Int8 > CanvasBitmapHelper::getData( rendering::IntegerBitmapLayout& rLayout,
+ const geometry::IntegerRectangle2D& rect )
+ {
+ SAL_INFO( "canvas.vcl", "::vclcanvas::CanvasBitmapHelper::getData()" );
+
+ if( !mpBackBuffer )
+ return uno::Sequence< sal_Int8 >(); // we're disposed
+
+ rLayout = getMemoryLayout();
+
+ // TODO(F1): Support more formats.
+ const Size aBmpSize( mpBackBuffer->getBitmapReference().GetSizePixel() );
+
+ rLayout.ScanLines = aBmpSize.Height();
+ rLayout.ScanLineBytes = aBmpSize.Width()*4;
+ rLayout.ScanLineStride = rLayout.ScanLineBytes;
+
+ uno::Sequence< sal_Int8 > aRes = vcl::bitmap::CanvasExtractBitmapData(mpBackBuffer->getBitmapReference(), rect);
+ return aRes;
+ }
+
+ uno::Sequence< sal_Int8 > CanvasBitmapHelper::getPixel( rendering::IntegerBitmapLayout& rLayout,
+ const geometry::IntegerPoint2D& pos )
+ {
+ SAL_INFO( "canvas.vcl", "::vclcanvas::CanvasBitmapHelper::getPixel()" );
+
+ if( !mpBackBuffer )
+ return uno::Sequence< sal_Int8 >(); // we're disposed
+
+ rLayout = getMemoryLayout();
+ rLayout.ScanLines = 1;
+ rLayout.ScanLineBytes = 4;
+ rLayout.ScanLineStride = rLayout.ScanLineBytes;
+
+ const Size aBmpSize( mpBackBuffer->getBitmapReference().GetSizePixel() );
+
+ ENSURE_ARG_OR_THROW( pos.X >= 0 && pos.X < aBmpSize.Width(),
+ "X coordinate out of bounds" );
+ ENSURE_ARG_OR_THROW( pos.Y >= 0 && pos.Y < aBmpSize.Height(),
+ "Y coordinate out of bounds" );
+
+ ::Color aColor = mpBackBuffer->getBitmapReference().GetPixelColor(pos.X, pos.Y);
+
+ uno::Sequence< sal_Int8 > aRes( 4 );
+ sal_Int8* pRes = aRes.getArray();
+ pRes[ 0 ] = aColor.GetRed();
+ pRes[ 1 ] = aColor.GetGreen();
+ pRes[ 2 ] = aColor.GetBlue();
+ pRes[ 3 ] = 255 - aColor.GetAlpha();
+
+ return aRes;
+ }
+
+ rendering::IntegerBitmapLayout CanvasBitmapHelper::getMemoryLayout() const
+ {
+ if( !mpOutDevProvider )
+ return rendering::IntegerBitmapLayout(); // we're disposed
+
+ rendering::IntegerBitmapLayout aBitmapLayout( ::canvas::tools::getStdMemoryLayout(getSize()) );
+ if ( !hasAlpha() )
+ aBitmapLayout.ColorSpace = canvas::tools::getStdColorSpaceWithoutAlpha();
+
+ return aBitmapLayout;
+ }
+
+ BitmapEx CanvasBitmapHelper::getBitmap() const
+ {
+ if( !mpBackBuffer )
+ return BitmapEx(); // we're disposed
+ else
+ return mpBackBuffer->getBitmapReference();
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvasbitmaphelper.hxx b/canvas/source/vcl/canvasbitmaphelper.hxx
new file mode 100644
index 000000000..7e75f92e8
--- /dev/null
+++ b/canvas/source/vcl/canvasbitmaphelper.hxx
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include "canvashelper.hxx"
+
+#include <vcl/bitmapex.hxx>
+
+#include "bitmapbackbuffer.hxx"
+
+
+namespace vclcanvas
+{
+ /** Helper class for basic canvasbitmap functionality. Extends
+ CanvasHelper with some CanvasBitmap specialities, such as alpha
+ support.
+
+ Note that a plain CanvasHelper, although it does support the
+ XBitmap interface, has no provision for alpha channel on VCL
+ (at least no efficient one. If the alpha VDev one day gets
+ part of SAL, we might change that).
+ */
+ class CanvasBitmapHelper : public CanvasHelper
+ {
+ public:
+ CanvasBitmapHelper();
+
+ /** Set a new bitmap on this helper.
+
+ This method late-initializes the bitmap canvas helper,
+ providing it with the necessary device and output
+ objects. The internally stored bitmap representation is
+ updated from the given bitmap, including any size
+ changes. Note that the CanvasHelper does <em>not</em> take
+ ownership of the SpriteCanvas object, nor does it perform
+ any reference counting. Thus, to prevent reference counted
+ objects from deletion, the user of this class is
+ responsible for holding ref-counted references to those
+ objects!
+
+ @param rBitmap
+ Content of this bitmap is used as our new content (our
+ internal size is adapted to the size of the bitmap given)
+
+ @param rDevice
+ Reference device for this canvas bitmap
+
+ @param rOutDevProvider
+ Reference output device. Used to create matching bitmap.
+ */
+ void init( const BitmapEx& rBitmap,
+ css::rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider );
+
+
+ // Overridden CanvasHelper functionality
+ // =====================================
+
+ void disposing();
+
+ void clear();
+
+ css::geometry::IntegerSize2D getSize() const;
+
+ css::uno::Reference< css::rendering::XBitmap >
+ getScaledBitmap( const css::geometry::RealSize2D& newSize,
+ bool beFast );
+
+ css::uno::Sequence< sal_Int8 >
+ getData( css::rendering::IntegerBitmapLayout& bitmapLayout,
+ const css::geometry::IntegerRectangle2D& rect );
+
+ css::uno::Sequence< sal_Int8 >
+ getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout,
+ const css::geometry::IntegerPoint2D& pos );
+
+ css::rendering::IntegerBitmapLayout getMemoryLayout() const;
+
+ /// @internal
+ BitmapEx getBitmap() const;
+
+ private:
+
+ BitmapBackBufferSharedPtr mpBackBuffer;
+ OutDevProviderSharedPtr mpOutDevReference;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvascustomsprite.cxx b/canvas/source/vcl/canvascustomsprite.cxx
new file mode 100644
index 000000000..4bdebd448
--- /dev/null
+++ b/canvas/source/vcl/canvascustomsprite.cxx
@@ -0,0 +1,158 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <sal/config.h>
+
+#include <basegfx/point/b2dpoint.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/outdev.hxx>
+
+#include "canvascustomsprite.hxx"
+
+using namespace ::com::sun::star;
+
+
+namespace vclcanvas
+{
+
+ CanvasCustomSprite::CanvasCustomSprite( const geometry::RealSize2D& rSpriteSize,
+ rendering::XGraphicDevice& rDevice,
+ const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
+ const OutDevProviderSharedPtr& rOutDevProvider,
+ bool bShowSpriteBounds )
+ {
+ ENSURE_OR_THROW( rOwningSpriteCanvas &&
+ rOutDevProvider,
+ "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" );
+
+ // setup back buffer
+
+
+ const ::Size aSize(
+ static_cast<sal_Int32>( std::max( 1.0,
+ ceil( rSpriteSize.Width ))), // round up to nearest int,
+ // enforce sprite to have at
+ // least (1,1) pixel size
+ static_cast<sal_Int32>( std::max( 1.0,
+ ceil( rSpriteSize.Height ))) );
+
+ // create content backbuffer in screen depth
+ BackBufferSharedPtr pBackBuffer = std::make_shared<BackBuffer>( rOutDevProvider->getOutDev() );
+ pBackBuffer->setSize( aSize );
+
+ // create mask backbuffer
+ BackBufferSharedPtr pBackBufferMask = std::make_shared<BackBuffer>( rOutDevProvider->getOutDev() );
+ pBackBufferMask->setSize( aSize );
+
+ // TODO(F1): Implement alpha vdev (could prolly enable
+ // antialiasing again, then)
+
+ // disable font antialiasing (causes ugly shadows otherwise)
+ pBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::DisableText );
+ pBackBufferMask->getOutDev().SetAntialiasing( AntialiasingFlags::DisableText );
+
+ // set mask vdev drawmode, such that everything is painted
+ // black. That leaves us with a binary image, white for
+ // background, black for painted content
+ pBackBufferMask->getOutDev().SetDrawMode( DrawModeFlags::BlackLine | DrawModeFlags::BlackFill | DrawModeFlags::BlackText |
+ DrawModeFlags::BlackGradient | DrawModeFlags::BlackBitmap );
+
+
+ // setup canvas helper
+
+
+ // always render into back buffer, don't preserve state (it's
+ // our private VDev, after all), have notion of alpha
+ maCanvasHelper.init( rDevice,
+ pBackBuffer,
+ false,
+ true );
+ maCanvasHelper.setBackgroundOutDev( pBackBufferMask );
+
+
+ // setup sprite helper
+
+
+ maSpriteHelper.init( rSpriteSize,
+ rOwningSpriteCanvas,
+ pBackBuffer,
+ pBackBufferMask,
+ bShowSpriteBounds );
+
+ // clear sprite to 100% transparent
+ maCanvasHelper.clear();
+ }
+
+ OUString SAL_CALL CanvasCustomSprite::getImplementationName()
+ {
+ return "VCLCanvas.CanvasCustomSprite";
+ }
+
+ sal_Bool SAL_CALL CanvasCustomSprite::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService( this, ServiceName );
+ }
+
+ uno::Sequence< OUString > SAL_CALL CanvasCustomSprite::getSupportedServiceNames()
+ {
+ return { "com.sun.star.rendering.CanvasCustomSprite" };
+ }
+
+ // Sprite
+ void CanvasCustomSprite::redraw( OutputDevice& rOutDev,
+ bool bBufferedUpdate ) const
+ {
+ SolarMutexGuard aGuard;
+
+ redraw( rOutDev, maSpriteHelper.getPosPixel(), bBufferedUpdate );
+ }
+
+ void CanvasCustomSprite::redraw( OutputDevice& rOutDev,
+ const ::basegfx::B2DPoint& rOrigOutputPos,
+ bool bBufferedUpdate ) const
+ {
+ SolarMutexGuard aGuard;
+
+ maSpriteHelper.redraw( rOutDev,
+ rOrigOutputPos,
+ mbSurfaceDirty,
+ bBufferedUpdate );
+
+ mbSurfaceDirty = false;
+ }
+
+ bool CanvasCustomSprite::repaint( const GraphicObjectSharedPtr& rGrf,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const
+ {
+ SolarMutexGuard aGuard;
+
+ mbSurfaceDirty = true;
+
+ return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvascustomsprite.hxx b/canvas/source/vcl/canvascustomsprite.hxx
new file mode 100644
index 000000000..1a7d3ccfb
--- /dev/null
+++ b/canvas/source/vcl/canvascustomsprite.hxx
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <cppuhelper/compbase.hxx>
+#include <comphelper/uno3.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XCustomSprite.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+
+#include <base/basemutexhelper.hxx>
+#include <base/spritesurface.hxx>
+#include <base/canvascustomspritebase.hxx>
+
+#include "sprite.hxx"
+#include "canvashelper.hxx"
+#include "spritehelper.hxx"
+#include "impltools.hxx"
+#include "repainttarget.hxx"
+
+
+namespace vclcanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XCustomSprite,
+ css::rendering::XBitmapCanvas,
+ css::rendering::XIntegerBitmap,
+ css::lang::XServiceInfo > CanvasCustomSpriteBase_Base;
+ /** Mixin Sprite
+
+ Have to mixin the Sprite interface before deriving from
+ ::canvas::CanvasCustomSpriteBase, as this template should
+ already implement some of those interface methods.
+
+ The reason why this appears kinda convoluted is the fact that
+ we cannot specify non-IDL types as WeakComponentImplHelper
+ template args, and furthermore, don't want to derive
+ ::canvas::CanvasCustomSpriteBase directly from
+ ::canvas::Sprite (because derivees of
+ ::canvas::CanvasCustomSpriteBase have to explicitly forward
+ the XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS)
+ anyway). Basically, ::canvas::CanvasCustomSpriteBase should
+ remain a base class that provides implementation, not to
+ enforce any specific interface on its derivees.
+ */
+ class CanvasCustomSpriteSpriteBase_Base : public ::canvas::BaseMutexHelper< CanvasCustomSpriteBase_Base >,
+ public Sprite
+ {
+ };
+
+ typedef ::canvas::CanvasCustomSpriteBase< CanvasCustomSpriteSpriteBase_Base,
+ SpriteHelper,
+ CanvasHelper,
+ tools::LocalGuard,
+ ::cppu::OWeakObject > CanvasCustomSpriteBaseT;
+
+ /* Definition of CanvasCustomSprite class */
+
+ class CanvasCustomSprite : public CanvasCustomSpriteBaseT,
+ public RepaintTarget
+ {
+ public:
+ CanvasCustomSprite( const css::geometry::RealSize2D& rSpriteSize,
+ css::rendering::XGraphicDevice& rDevice,
+ const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
+ const OutDevProviderSharedPtr& rOutDevProvider,
+ bool bShowSpriteBounds );
+
+ // Forwarding the XComponent implementation to the
+ // cppu::ImplHelper templated base
+ // Classname Base doing refcount Base implementing the XComponent interface
+ // | | |
+ // V V V
+ DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasCustomSprite, CanvasCustomSpriteBase_Base, ::cppu::WeakComponentImplHelperBase )
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ // Sprite
+ virtual void redraw( OutputDevice& rOutDev,
+ bool bBufferedUpdate ) const override;
+ virtual void redraw( OutputDevice& rOutDev,
+ const ::basegfx::B2DPoint& rPos,
+ bool bBufferedUpdate ) const override;
+
+ // RepaintTarget
+ virtual bool repaint( const GraphicObjectSharedPtr& rGrf,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const override;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvasfont.cxx b/canvas/source/vcl/canvasfont.cxx
new file mode 100644
index 000000000..e7fab0492
--- /dev/null
+++ b/canvas/source/vcl/canvasfont.cxx
@@ -0,0 +1,177 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <basegfx/numeric/ftools.hxx>
+#include <canvas/canvastools.hxx>
+#include <com/sun/star/rendering/PanoseProportion.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <rtl/math.hxx>
+#include <vcl/metric.hxx>
+#include <vcl/virdev.hxx>
+
+#include "canvasfont.hxx"
+#include "textlayout.hxx"
+
+using namespace ::com::sun::star;
+
+
+namespace vclcanvas
+{
+ CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest,
+ const uno::Sequence< beans::PropertyValue >& rExtraFontProperties,
+ const geometry::Matrix2D& rFontMatrix,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider ) :
+ CanvasFont_Base( m_aMutex ),
+ maFont( vcl::Font( rFontRequest.FontDescription.FamilyName,
+ rFontRequest.FontDescription.StyleName,
+ Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ),
+ maFontRequest( rFontRequest ),
+ mpRefDevice( &rDevice ),
+ mpOutDevProvider( rOutDevProvider )
+ {
+ maFont->SetAlignment( ALIGN_BASELINE );
+ maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==css::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
+ maFont->SetVertical( rFontRequest.FontDescription.IsVertical==css::util::TriState_YES );
+
+ // TODO(F2): improve panose->vclenum conversion
+ maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) );
+ maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL );
+ maFont->SetPitch(
+ rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED
+ ? PITCH_FIXED : PITCH_VARIABLE);
+
+ maFont->SetLanguage( LanguageTag::convertToLanguageType( rFontRequest.Locale, false));
+
+ // adjust to stretched/shrunk font
+ if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) )
+ {
+ OutputDevice& rOutDev( rOutDevProvider->getOutDev() );
+
+ const bool bOldMapState( rOutDev.IsMapModeEnabled() );
+ rOutDev.EnableMapMode(false);
+
+ const Size aSize = rOutDev.GetFontMetric( *maFont ).GetFontSize();
+
+ const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 );
+ double fStretch = rFontMatrix.m00 + rFontMatrix.m01;
+
+ if( !::basegfx::fTools::equalZero( fDividend) )
+ fStretch /= fDividend;
+
+ const ::tools::Long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch );
+
+ maFont->SetAverageFontWidth( nNewWidth );
+
+ rOutDev.EnableMapMode(bOldMapState);
+ }
+
+ sal_uInt32 nEmphasisMark = 0;
+
+ ::canvas::tools::extractExtraFontProperties(rExtraFontProperties, nEmphasisMark);
+
+ if (nEmphasisMark)
+ maFont->SetEmphasisMark(FontEmphasisMark(nEmphasisMark));
+ }
+
+ void SAL_CALL CanvasFont::disposing()
+ {
+ SolarMutexGuard aGuard;
+
+ mpOutDevProvider.reset();
+ mpRefDevice.clear();
+ }
+
+ uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 )
+ {
+ SolarMutexGuard aGuard;
+
+ if( !mpRefDevice.is() )
+ return uno::Reference< rendering::XTextLayout >(); // we're disposed
+
+ return new TextLayout( aText,
+ nDirection,
+ Reference( this ),
+ mpRefDevice,
+ mpOutDevProvider);
+ }
+
+ rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( )
+ {
+ SolarMutexGuard aGuard;
+
+ return maFontRequest;
+ }
+
+ rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( )
+ {
+ SolarMutexGuard aGuard;
+
+ OutputDevice& rOutDev = mpOutDevProvider->getOutDev();
+ ScopedVclPtrInstance< VirtualDevice > pVDev( rOutDev );
+ pVDev->SetFont(getVCLFont());
+ const ::FontMetric& aMetric( pVDev->GetFontMetric() );
+
+ return rendering::FontMetrics(
+ aMetric.GetAscent(),
+ aMetric.GetDescent(),
+ aMetric.GetInternalLeading(),
+ aMetric.GetExternalLeading(),
+ 0,
+ aMetric.GetDescent() / 2.0,
+ aMetric.GetAscent() / 2.0);
+ }
+
+ uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( )
+ {
+ // TODO(F1)
+ return uno::Sequence< double >();
+ }
+
+ uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( )
+ {
+ // TODO(F1)
+ return uno::Sequence< beans::PropertyValue >();
+ }
+
+ OUString SAL_CALL CanvasFont::getImplementationName()
+ {
+ return "VCLCanvas::CanvasFont";
+ }
+
+ sal_Bool SAL_CALL CanvasFont::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService( this, ServiceName );
+ }
+
+ uno::Sequence< OUString > SAL_CALL CanvasFont::getSupportedServiceNames()
+ {
+ return { "com.sun.star.rendering.CanvasFont" };
+ }
+
+ vcl::Font const & CanvasFont::getVCLFont() const
+ {
+ return *maFont;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvasfont.hxx b/canvas/source/vcl/canvasfont.hxx
new file mode 100644
index 000000000..fdfa870f5
--- /dev/null
+++ b/canvas/source/vcl/canvasfont.hxx
@@ -0,0 +1,87 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/geometry/Matrix2D.hpp>
+#include <com/sun/star/rendering/FontRequest.hpp>
+#include <com/sun/star/rendering/XCanvasFont.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+
+#include <vcl/font.hxx>
+
+#include <vclwrapper.hxx>
+
+#include "outdevprovider.hxx"
+
+
+/* Definition of CanvasFont class */
+
+namespace vclcanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XCanvasFont,
+ css::lang::XServiceInfo > CanvasFont_Base;
+
+ class CanvasFont : public ::cppu::BaseMutex,
+ public CanvasFont_Base
+ {
+ public:
+ typedef rtl::Reference<CanvasFont> Reference;
+
+ /// make noncopyable
+ CanvasFont(const CanvasFont&) = delete;
+ const CanvasFont& operator=(const CanvasFont&) = delete;
+
+ CanvasFont( const css::rendering::FontRequest& fontRequest,
+ const css::uno::Sequence< css::beans::PropertyValue >& extraFontProperties,
+ const css::geometry::Matrix2D& rFontMatrix,
+ css::rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider );
+
+ /// Dispose all internal references
+ virtual void SAL_CALL disposing() override;
+
+ // XCanvasFont
+ virtual css::uno::Reference< css::rendering::XTextLayout > SAL_CALL createTextLayout( const css::rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) override;
+ virtual css::rendering::FontRequest SAL_CALL getFontRequest( ) override;
+ virtual css::rendering::FontMetrics SAL_CALL getFontMetrics( ) override;
+ virtual css::uno::Sequence< double > SAL_CALL getAvailableSizes( ) override;
+ virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getExtraFontProperties( ) override;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ vcl::Font const & getVCLFont() const;
+
+ private:
+ ::canvas::vcltools::VCLObject<vcl::Font> maFont;
+ css::rendering::FontRequest maFontRequest;
+ css::uno::Reference< css::rendering::XGraphicDevice> mpRefDevice;
+ OutDevProviderSharedPtr mpOutDevProvider;
+ };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvashelper.cxx b/canvas/source/vcl/canvashelper.cxx
new file mode 100644
index 000000000..918a8f5f9
--- /dev/null
+++ b/canvas/source/vcl/canvashelper.cxx
@@ -0,0 +1,1184 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/polygon/b2dlinegeometry.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/vector/b2dsize.hxx>
+#include <com/sun/star/drawing/LineCap.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/PathCapType.hpp>
+#include <com/sun/star/rendering/PathJoinType.hpp>
+#include <com/sun/star/rendering/TextDirection.hpp>
+#include <comphelper/sequence.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+#include <tools/poly.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/BitmapAlphaClampFilter.hxx>
+#include <vcl/skia/SkiaHelper.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "canvasbitmap.hxx"
+#include "canvasfont.hxx"
+#include "canvashelper.hxx"
+#include "impltools.hxx"
+#include "textlayout.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ namespace
+ {
+ basegfx::B2DLineJoin b2DJoineFromJoin( sal_Int8 nJoinType )
+ {
+ switch( nJoinType )
+ {
+ case rendering::PathJoinType::NONE:
+ return basegfx::B2DLineJoin::NONE;
+
+ case rendering::PathJoinType::MITER:
+ return basegfx::B2DLineJoin::Miter;
+
+ case rendering::PathJoinType::ROUND:
+ return basegfx::B2DLineJoin::Round;
+
+ case rendering::PathJoinType::BEVEL:
+ return basegfx::B2DLineJoin::Bevel;
+
+ default:
+ ENSURE_OR_THROW( false,
+ "b2DJoineFromJoin(): Unexpected join type" );
+ }
+
+ return basegfx::B2DLineJoin::NONE;
+ }
+
+ drawing::LineCap unoCapeFromCap( sal_Int8 nCapType)
+ {
+ switch ( nCapType)
+ {
+ case rendering::PathCapType::BUTT:
+ return drawing::LineCap_BUTT;
+
+ case rendering::PathCapType::ROUND:
+ return drawing::LineCap_ROUND;
+
+ case rendering::PathCapType::SQUARE:
+ return drawing::LineCap_SQUARE;
+
+ default:
+ ENSURE_OR_THROW( false,
+ "unoCapeFromCap(): Unexpected cap type" );
+ }
+ return drawing::LineCap_BUTT;
+ }
+ }
+
+ CanvasHelper::CanvasHelper() :
+ mpDevice(),
+ mbHaveAlpha( false )
+ {
+ }
+
+ void CanvasHelper::disposing()
+ {
+ mpDevice = nullptr;
+ mpProtectedOutDevProvider.reset();
+ mpOutDevProvider.reset();
+ mp2ndOutDevProvider.reset();
+ }
+
+ void CanvasHelper::init( rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDev,
+ bool bProtect,
+ bool bHaveAlpha )
+ {
+ // cast away const, need to change refcount (as this is
+ // ~invisible to client code, still logically const)
+ mpDevice = &rDevice;
+ mbHaveAlpha = bHaveAlpha;
+
+ setOutDev( rOutDev, bProtect );
+ }
+
+ void CanvasHelper::setOutDev( const OutDevProviderSharedPtr& rOutDev,
+ bool bProtect )
+ {
+ if( bProtect )
+ mpProtectedOutDevProvider = rOutDev;
+ else
+ mpProtectedOutDevProvider.reset();
+
+ mpOutDevProvider = rOutDev;
+ }
+
+ void CanvasHelper::setBackgroundOutDev( const OutDevProviderSharedPtr& rOutDev )
+ {
+ mp2ndOutDevProvider = rOutDev;
+ mp2ndOutDevProvider->getOutDev().EnableMapMode( false );
+ mp2ndOutDevProvider->getOutDev().SetAntialiasing( AntialiasingFlags::Enable );
+ }
+
+ void CanvasHelper::clear()
+ {
+ // are we disposed?
+ if( !mpOutDevProvider )
+ return;
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+ rOutDev.SetLineColor( COL_WHITE );
+ rOutDev.SetFillColor( COL_WHITE );
+ rOutDev.SetClipRegion();
+ rOutDev.DrawRect( ::tools::Rectangle( Point(),
+ rOutDev.GetOutputSizePixel()) );
+
+ if( !mp2ndOutDevProvider )
+ return;
+
+ OutputDevice& rOutDev2( mp2ndOutDevProvider->getOutDev() );
+
+ rOutDev2.SetDrawMode( DrawModeFlags::Default );
+ rOutDev2.EnableMapMode( false );
+ rOutDev2.SetAntialiasing( AntialiasingFlags::Enable );
+ rOutDev2.SetLineColor( COL_WHITE );
+ rOutDev2.SetFillColor( COL_WHITE );
+ rOutDev2.SetClipRegion();
+ rOutDev2.DrawRect( ::tools::Rectangle( Point(),
+ rOutDev2.GetOutputSizePixel()) );
+ rOutDev2.SetDrawMode( DrawModeFlags::BlackLine | DrawModeFlags::BlackFill | DrawModeFlags::BlackText |
+ DrawModeFlags::BlackGradient | DrawModeFlags::BlackBitmap );
+ }
+
+ void CanvasHelper::drawLine( const rendering::XCanvas* ,
+ const geometry::RealPoint2D& aStartRealPoint2D,
+ const geometry::RealPoint2D& aEndRealPoint2D,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ // are we disposed?
+ if( !mpOutDevProvider )
+ return;
+
+ // nope, render
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ setupOutDevState( viewState, renderState, LINE_COLOR );
+
+ const Point aStartPoint( tools::mapRealPoint2D( aStartRealPoint2D,
+ viewState, renderState ) );
+ const Point aEndPoint( tools::mapRealPoint2D( aEndRealPoint2D,
+ viewState, renderState ) );
+ // TODO(F2): alpha
+ mpOutDevProvider->getOutDev().DrawLine( aStartPoint, aEndPoint );
+
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawLine( aStartPoint, aEndPoint );
+ }
+
+ void CanvasHelper::drawBezier( const rendering::XCanvas* ,
+ const geometry::RealBezierSegment2D& aBezierSegment,
+ const geometry::RealPoint2D& _aEndPoint,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ if( !mpOutDevProvider )
+ return;
+
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ setupOutDevState( viewState, renderState, LINE_COLOR );
+
+ const Point& rStartPoint( tools::mapRealPoint2D( geometry::RealPoint2D(aBezierSegment.Px,
+ aBezierSegment.Py),
+ viewState, renderState ) );
+ const Point& rCtrlPoint1( tools::mapRealPoint2D( geometry::RealPoint2D(aBezierSegment.C1x,
+ aBezierSegment.C1y),
+ viewState, renderState ) );
+ const Point& rCtrlPoint2( tools::mapRealPoint2D( geometry::RealPoint2D(aBezierSegment.C2x,
+ aBezierSegment.C2y),
+ viewState, renderState ) );
+ const Point& rEndPoint( tools::mapRealPoint2D( _aEndPoint,
+ viewState, renderState ) );
+
+ ::tools::Polygon aPoly(4);
+ aPoly.SetPoint( rStartPoint, 0 );
+ aPoly.SetFlags( 0, PolyFlags::Normal );
+ aPoly.SetPoint( rCtrlPoint1, 1 );
+ aPoly.SetFlags( 1, PolyFlags::Control );
+ aPoly.SetPoint( rCtrlPoint2, 2 );
+ aPoly.SetFlags( 2, PolyFlags::Control );
+ aPoly.SetPoint( rEndPoint, 3 );
+ aPoly.SetFlags( 3, PolyFlags::Normal );
+
+ // TODO(F2): alpha
+ mpOutDevProvider->getOutDev().DrawPolygon( aPoly );
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawPolygon( aPoly );
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ ENSURE_ARG_OR_THROW( xPolyPolygon.is(),
+ "polygon is NULL");
+
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ setupOutDevState( viewState, renderState, LINE_COLOR );
+
+ const ::basegfx::B2DPolyPolygon& rPolyPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPolyPolygon) );
+ const ::tools::PolyPolygon aPolyPoly( tools::mapPolyPolygon( rPolyPoly, viewState, renderState ) );
+
+ if( rPolyPoly.isClosed() )
+ {
+ mpOutDevProvider->getOutDev().DrawPolyPolygon( aPolyPoly );
+
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawPolyPolygon( aPolyPoly );
+ }
+ else
+ {
+ // mixed open/closed state. Cannot render open polygon
+ // via DrawPolyPolygon(), since that implicitly
+ // closed every polygon. OTOH, no need to distinguish
+ // further and render closed polygons via
+ // DrawPolygon(), and open ones via DrawPolyLine():
+ // closed polygons will simply already contain the
+ // closing segment.
+ sal_uInt16 nSize( aPolyPoly.Count() );
+
+ for( sal_uInt16 i=0; i<nSize; ++i )
+ {
+ mpOutDevProvider->getOutDev().DrawPolyLine( aPolyPoly[i] );
+
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawPolyLine( aPolyPoly[i] );
+ }
+ }
+ }
+
+ // TODO(P1): Provide caching here.
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokePolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const rendering::StrokeAttributes& strokeAttributes )
+ {
+ ENSURE_ARG_OR_THROW( xPolyPolygon.is(),
+ "polygon is NULL");
+
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+
+ ::basegfx::B2DHomMatrix aMatrix;
+ ::canvas::tools::mergeViewAndRenderTransform(aMatrix, viewState, renderState);
+
+ ::basegfx::B2DPolyPolygon aPolyPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPolyPolygon) );
+
+ std::vector<double> aDashArray;
+ if( strokeAttributes.DashArray.hasElements() )
+ aDashArray = ::comphelper::sequenceToContainer< std::vector<double> >(strokeAttributes.DashArray);
+
+ // First try to draw directly using VCL.
+ bool directFailed = false;
+ setupOutDevState( viewState, renderState, LINE_COLOR );
+ for( sal_uInt32 i=0; i<aPolyPoly.count(); ++i )
+ {
+ if( !mpOutDevProvider->getOutDev().DrawPolyLineDirect( aMatrix, aPolyPoly.getB2DPolygon(i),
+ strokeAttributes.StrokeWidth, 0, !aDashArray.empty() ? &aDashArray : nullptr,
+ b2DJoineFromJoin(strokeAttributes.JoinType), unoCapeFromCap(strokeAttributes.StartCapType)))
+ {
+ directFailed = true;
+ break;
+ }
+ }
+ if(!directFailed)
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+
+ // Do it all manually.
+
+ // apply dashing, if any
+ if( strokeAttributes.DashArray.hasElements() )
+ {
+ ::basegfx::B2DPolyPolygon aDashedPolyPoly;
+
+ for( sal_uInt32 i=0; i<aPolyPoly.count(); ++i )
+ {
+ // AW: new interface; You may also get gaps in the same run now
+ basegfx::utils::applyLineDashing(aPolyPoly.getB2DPolygon(i), aDashArray, &aDashedPolyPoly);
+ //aDashedPolyPoly.append(
+ // ::basegfx::utils::applyLineDashing( aPolyPoly.getB2DPolygon(i),
+ // aDashArray ) );
+ }
+
+ aPolyPoly = aDashedPolyPoly;
+ }
+
+ ::basegfx::B2DSize aLinePixelSize(strokeAttributes.StrokeWidth,
+ strokeAttributes.StrokeWidth);
+ aLinePixelSize *= aMatrix;
+ ::basegfx::B2DPolyPolygon aStrokedPolyPoly;
+ if( aLinePixelSize.getLength() < 1.42 )
+ {
+ // line width < 1.0 in device pixel, thus, output as a
+ // simple hairline poly-polygon
+ setupOutDevState( viewState, renderState, LINE_COLOR );
+
+ aStrokedPolyPoly = aPolyPoly;
+ }
+ else
+ {
+ // render as a 'thick' line
+ setupOutDevState( viewState, renderState, FILL_COLOR );
+
+ for( sal_uInt32 i=0; i<aPolyPoly.count(); ++i )
+ {
+ double fMiterMinimumAngle;
+ if (strokeAttributes.MiterLimit <= 1.0)
+ {
+ fMiterMinimumAngle = M_PI_2;
+ }
+ else
+ {
+ fMiterMinimumAngle = 2.0 * asin(1.0/strokeAttributes.MiterLimit);
+ }
+
+ // TODO(F2): Also use Cap settings from
+ // StrokeAttributes, the
+ // createAreaGeometryForLineStartEnd() method does not
+ // seem to fit very well here
+
+ // AW: New interface, will create bezier polygons now
+ aStrokedPolyPoly.append(basegfx::utils::createAreaGeometry(
+ aPolyPoly.getB2DPolygon(i),
+ strokeAttributes.StrokeWidth*0.5,
+ b2DJoineFromJoin(strokeAttributes.JoinType),
+ unoCapeFromCap(strokeAttributes.StartCapType),
+ basegfx::deg2rad(12.5) /* default fMaxAllowedAngle*/ ,
+ 0.4 /* default fMaxPartOfEdge*/ ,
+ fMiterMinimumAngle
+ ));
+ //aStrokedPolyPoly.append(
+ // ::basegfx::utils::createAreaGeometryForPolygon( aPolyPoly.getB2DPolygon(i),
+ // strokeAttributes.StrokeWidth*0.5,
+ // b2DJoineFromJoin(strokeAttributes.JoinType) ) );
+ }
+ }
+
+ // transform only _now_, all the StrokeAttributes are in
+ // user coordinates.
+ aStrokedPolyPoly.transform( aMatrix );
+
+ // TODO(F2): When using alpha here, must handle that via
+ // temporary surface or somesuch.
+
+ // Note: the generated stroke poly-polygon is NOT free of
+ // self-intersections. Therefore, if we would render it
+ // via OutDev::DrawPolyPolygon(), on/off fill would
+ // generate off areas on those self-intersections.
+ for( sal_uInt32 i=0; i<aStrokedPolyPoly.count(); ++i )
+ {
+ const basegfx::B2DPolygon& polygon = aStrokedPolyPoly.getB2DPolygon( i );
+ if( polygon.isClosed()) {
+ mpOutDevProvider->getOutDev().DrawPolygon( polygon );
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawPolygon( polygon );
+ } else {
+ mpOutDevProvider->getOutDev().DrawPolyLine( polygon );
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawPolyLine( polygon );
+ }
+ }
+ }
+
+ // TODO(P1): Provide caching here.
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTexturedPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& ,
+ const rendering::ViewState& ,
+ const rendering::RenderState& ,
+ const uno::Sequence< rendering::Texture >& ,
+ const rendering::StrokeAttributes& )
+ {
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTextureMappedPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& ,
+ const rendering::ViewState& ,
+ const rendering::RenderState& ,
+ const uno::Sequence< rendering::Texture >& ,
+ const uno::Reference< geometry::XMapping2D >& ,
+ const rendering::StrokeAttributes& )
+ {
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > CanvasHelper::queryStrokeShapes( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& ,
+ const rendering::ViewState& ,
+ const rendering::RenderState& ,
+ const rendering::StrokeAttributes& )
+ {
+ return uno::Reference< rendering::XPolyPolygon2D >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ ENSURE_ARG_OR_THROW( xPolyPolygon.is(),
+ "polygon is NULL");
+
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+
+ const int nAlpha( setupOutDevState( viewState, renderState, FILL_COLOR ) );
+ ::basegfx::B2DPolyPolygon aB2DPolyPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPolyPolygon));
+ aB2DPolyPoly.setClosed(true); // ensure closed poly, otherwise VCL does not fill
+ const ::tools::PolyPolygon aPolyPoly( tools::mapPolyPolygon(
+ aB2DPolyPoly,
+ viewState, renderState ) );
+ const bool bSourceAlpha( renderState.CompositeOperation == rendering::CompositeOperation::SOURCE );
+ if( nAlpha == 255 || bSourceAlpha )
+ {
+ mpOutDevProvider->getOutDev().DrawPolyPolygon( aPolyPoly );
+ }
+ else
+ {
+ const int nTransPercent( ((255 - nAlpha) * 100 + 128) / 255 ); // normal rounding, no truncation here
+ mpOutDevProvider->getOutDev().DrawTransparent( aPolyPoly, static_cast<sal_uInt16>(nTransPercent) );
+ }
+
+ if( mp2ndOutDevProvider )
+ {
+ // HACK. Normally, CanvasHelper does not care about
+ // actually what mp2ndOutDev is... well, here we do &
+ // assume a 1bpp target - everything beyond 97%
+ // transparency is fully transparent
+ if( nAlpha > 2 )
+ {
+ mp2ndOutDevProvider->getOutDev().SetFillColor( COL_BLACK );
+ mp2ndOutDevProvider->getOutDev().DrawPolyPolygon( aPolyPoly );
+ }
+ }
+ }
+
+ // TODO(P1): Provide caching here.
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTextureMappedPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& ,
+ const rendering::ViewState& ,
+ const rendering::RenderState& ,
+ const uno::Sequence< rendering::Texture >& ,
+ const uno::Reference< geometry::XMapping2D >& )
+ {
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCanvasFont > CanvasHelper::createFont( const rendering::XCanvas* ,
+ const rendering::FontRequest& fontRequest,
+ const uno::Sequence< beans::PropertyValue >& extraFontProperties,
+ const geometry::Matrix2D& fontMatrix )
+ {
+ if( mpOutDevProvider && mpDevice )
+ {
+ // TODO(F2): font properties and font matrix
+ return uno::Reference< rendering::XCanvasFont >(
+ new CanvasFont(fontRequest, extraFontProperties, fontMatrix,
+ *mpDevice, mpOutDevProvider) );
+ }
+
+ return uno::Reference< rendering::XCanvasFont >();
+ }
+
+ uno::Sequence< rendering::FontInfo > CanvasHelper::queryAvailableFonts( const rendering::XCanvas* ,
+ const rendering::FontInfo& ,
+ const uno::Sequence< beans::PropertyValue >& )
+ {
+ // TODO(F2)
+ return uno::Sequence< rendering::FontInfo >();
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawText( const rendering::XCanvas* ,
+ const rendering::StringContext& text,
+ const uno::Reference< rendering::XCanvasFont >& xFont,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ sal_Int8 textDirection )
+ {
+ ENSURE_ARG_OR_THROW( xFont.is(),
+ "font is NULL");
+
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+
+ ::Point aOutpos;
+ if( !setupTextOutput( aOutpos, viewState, renderState, xFont ) )
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr); // no output necessary
+
+ // change text direction and layout mode
+ vcl::text::ComplexTextLayoutFlags nLayoutMode(vcl::text::ComplexTextLayoutFlags::Default);
+ switch( textDirection )
+ {
+ case rendering::TextDirection::WEAK_LEFT_TO_RIGHT:
+ case rendering::TextDirection::STRONG_LEFT_TO_RIGHT:
+ nLayoutMode |= vcl::text::ComplexTextLayoutFlags::BiDiStrong;
+ nLayoutMode |= vcl::text::ComplexTextLayoutFlags::TextOriginLeft;
+ break;
+
+ case rendering::TextDirection::WEAK_RIGHT_TO_LEFT:
+ nLayoutMode |= vcl::text::ComplexTextLayoutFlags::BiDiRtl;
+ [[fallthrough]];
+ case rendering::TextDirection::STRONG_RIGHT_TO_LEFT:
+ nLayoutMode |= vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::BiDiStrong;
+ nLayoutMode |= vcl::text::ComplexTextLayoutFlags::TextOriginRight;
+ break;
+ }
+
+ // TODO(F2): alpha
+ mpOutDevProvider->getOutDev().SetLayoutMode( nLayoutMode );
+ mpOutDevProvider->getOutDev().DrawText( aOutpos,
+ text.Text,
+ ::canvas::tools::numeric_cast<sal_uInt16>(text.StartPosition),
+ ::canvas::tools::numeric_cast<sal_uInt16>(text.Length) );
+
+ if( mp2ndOutDevProvider )
+ {
+ mp2ndOutDevProvider->getOutDev().SetLayoutMode( nLayoutMode );
+ mp2ndOutDevProvider->getOutDev().DrawText( aOutpos,
+ text.Text,
+ ::canvas::tools::numeric_cast<sal_uInt16>(text.StartPosition),
+ ::canvas::tools::numeric_cast<sal_uInt16>(text.Length) );
+ }
+ }
+
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawTextLayout( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XTextLayout >& xLayoutedText,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ ENSURE_ARG_OR_THROW( xLayoutedText.is(),
+ "layout is NULL");
+
+ TextLayout* pTextLayout = dynamic_cast< TextLayout* >( xLayoutedText.get() );
+
+ if( pTextLayout )
+ {
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+
+ // TODO(T3): Race condition. We're taking the font
+ // from xLayoutedText, and then calling draw() at it,
+ // without exclusive access. Move setupTextOutput(),
+ // e.g. to impltools?
+
+ ::Point aOutpos;
+ if( !setupTextOutput( aOutpos, viewState, renderState, xLayoutedText->getFont() ) )
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr); // no output necessary
+
+ // TODO(F2): What about the offset scalings?
+ // TODO(F2): alpha
+ pTextLayout->draw( mpOutDevProvider->getOutDev(), aOutpos, viewState, renderState );
+
+ if( mp2ndOutDevProvider )
+ pTextLayout->draw( mp2ndOutDevProvider->getOutDev(), aOutpos, viewState, renderState );
+ }
+ }
+ else
+ {
+ ENSURE_ARG_OR_THROW( false,
+ "TextLayout not compatible with this canvas" );
+ }
+
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::implDrawBitmap( const rendering::XCanvas* pCanvas,
+ const uno::Reference< rendering::XBitmap >& xBitmap,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ bool bModulateColors )
+ {
+ ENSURE_ARG_OR_THROW( xBitmap.is(),
+ "bitmap is NULL");
+
+ ::canvas::tools::verifyInput( renderState,
+ __func__,
+ mpDevice,
+ 4,
+ bModulateColors ? 3 : 0 );
+
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ setupOutDevState( viewState, renderState, IGNORE_COLOR );
+
+ ::basegfx::B2DHomMatrix aMatrix;
+ ::canvas::tools::mergeViewAndRenderTransform(aMatrix, viewState, renderState);
+
+ ::basegfx::B2DPoint aOutputPos( 0.0, 0.0 );
+ aOutputPos *= aMatrix;
+
+ BitmapEx aBmpEx( tools::bitmapExFromXBitmap(xBitmap) );
+
+ // TODO(F2): Implement modulation again for other color
+ // channels (currently, works only for alpha). Note: this
+ // is already implemented in transformBitmap()
+ if( bModulateColors &&
+ renderState.DeviceColor.getLength() > 3 )
+ {
+ // optimize away the case where alpha modulation value
+ // is 1.0 - we then simply switch off modulation at all
+ bModulateColors = !::rtl::math::approxEqual(
+ renderState.DeviceColor[3], 1.0);
+ }
+
+ // check whether we can render bitmap as-is: must not
+ // modulate colors, matrix must either be the identity
+ // transform (that's clear), _or_ contain only
+ // translational components.
+ if( !bModulateColors &&
+ (aMatrix.isIdentity() ||
+ (::basegfx::fTools::equalZero( aMatrix.get(0,1) ) &&
+ ::basegfx::fTools::equalZero( aMatrix.get(1,0) ) &&
+ ::rtl::math::approxEqual(aMatrix.get(0,0), 1.0) &&
+ ::rtl::math::approxEqual(aMatrix.get(1,1), 1.0)) ) )
+ {
+ // optimized case: identity matrix, or only
+ // translational components.
+ mpOutDevProvider->getOutDev().DrawBitmapEx( vcl::unotools::pointFromB2DPoint( aOutputPos ),
+ aBmpEx );
+
+ if( mp2ndOutDevProvider )
+ {
+ // HACK. Normally, CanvasHelper does not care about
+ // actually what mp2ndOutDev is... well, here we do &
+ // assume a 1bpp target - everything beyond 97%
+ // transparency is fully transparent
+ if( aBmpEx.IsAlpha() && !SkiaHelper::isVCLSkiaEnabled())
+ {
+ BitmapFilter::Filter(aBmpEx, BitmapAlphaClampFilter(253));
+ }
+
+ mp2ndOutDevProvider->getOutDev().DrawBitmapEx( vcl::unotools::pointFromB2DPoint( aOutputPos ),
+ aBmpEx );
+ }
+
+ // Returning a cache object is not useful, the XBitmap
+ // itself serves this purpose
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+ else if( mpOutDevProvider->getOutDev().HasFastDrawTransformedBitmap())
+ {
+ ::basegfx::B2DHomMatrix aSizeTransform;
+ aSizeTransform.scale( aBmpEx.GetSizePixel().Width(), aBmpEx.GetSizePixel().Height() );
+ aMatrix = aMatrix * aSizeTransform;
+ const double fAlpha = bModulateColors ? renderState.DeviceColor[3] : 1.0;
+
+ mpOutDevProvider->getOutDev().DrawTransformedBitmapEx( aMatrix, aBmpEx, fAlpha );
+ if( mp2ndOutDevProvider )
+ {
+ // HACK. Normally, CanvasHelper does not care about
+ // actually what mp2ndOutDev is... well, here we do &
+ // assume a 1bpp target - everything beyond 97%
+ // transparency is fully transparent
+ if( aBmpEx.IsAlpha() && !SkiaHelper::isVCLSkiaEnabled())
+ {
+ BitmapFilter::Filter(aBmpEx, BitmapAlphaClampFilter(253));
+ }
+
+ mp2ndOutDevProvider->getOutDev().DrawTransformedBitmapEx( aMatrix, aBmpEx );
+ }
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+ else
+ {
+ // Matrix contains non-trivial transformation (or
+ // color modulation is requested), decompose to check
+ // whether GraphicObject suffices
+ ::basegfx::B2DVector aScale;
+ double nRotate;
+ double nShearX;
+ aMatrix.decompose( aScale, aOutputPos, nRotate, nShearX );
+
+ GraphicAttr aGrfAttr;
+ GraphicObjectSharedPtr pGrfObj;
+
+ ::Size aBmpSize( aBmpEx.GetSizePixel() );
+
+ // setup alpha modulation
+ if( bModulateColors )
+ {
+ const double nAlphaModulation( renderState.DeviceColor[3] );
+
+ // TODO(F1): Note that the GraphicManager has a
+ // subtle difference in how it calculates the
+ // resulting alpha value: it's using the inverse
+ // alpha values (i.e. 'transparency'), and
+ // calculates transOrig + transModulate, instead
+ // of transOrig + transModulate -
+ // transOrig*transModulate (which would be
+ // equivalent to the origAlpha*modulateAlpha the
+ // DX canvas performs)
+ aGrfAttr.SetAlpha(
+ static_cast< sal_uInt8 >(
+ ::basegfx::fround( 255.0 * nAlphaModulation ) ) );
+ }
+
+ if( ::basegfx::fTools::equalZero( nShearX ) )
+ {
+ // no shear, GraphicObject is enough (the
+ // GraphicObject only supports scaling, rotation
+ // and translation)
+
+ // #i75339# don't apply mirror flags, having
+ // negative size values is enough to make
+ // GraphicObject flip the bitmap
+
+ // The angle has to be mapped from radian to tenths of
+ // degrees with the orientation reversed: [0,2Pi) ->
+ // (3600,0]. Note that the original angle may have
+ // values outside the [0,2Pi) interval.
+ const double nAngleInTenthOfDegrees (3600.0 - basegfx::rad2deg<10>(nRotate));
+ aGrfAttr.SetRotation( Degree10(::basegfx::fround(nAngleInTenthOfDegrees)) );
+
+ pGrfObj = std::make_shared<GraphicObject>( aBmpEx );
+ }
+ else
+ {
+ // modify output position, to account for the fact
+ // that transformBitmap() always normalizes its output
+ // bitmap into the smallest enclosing box.
+ ::basegfx::B2DRectangle aDestRect;
+ ::canvas::tools::calcTransformedRectBounds( aDestRect,
+ ::basegfx::B2DRectangle(0,
+ 0,
+ aBmpSize.Width(),
+ aBmpSize.Height()),
+ aMatrix );
+
+ aOutputPos.setX( aDestRect.getMinX() );
+ aOutputPos.setY( aDestRect.getMinY() );
+
+ // complex transformation, use generic affine bitmap
+ // transformation
+ aBmpEx = tools::transformBitmap( aBmpEx,
+ aMatrix );
+
+ pGrfObj = std::make_shared<GraphicObject>( aBmpEx );
+
+ // clear scale values, generated bitmap already
+ // contains scaling
+ aScale.setX( 1.0 ); aScale.setY( 1.0 );
+
+ // update bitmap size, bitmap has changed above.
+ aBmpSize = aBmpEx.GetSizePixel();
+ }
+
+ // output GraphicObject
+ const ::Point aPt( vcl::unotools::pointFromB2DPoint( aOutputPos ) );
+ const ::Size aSz( ::basegfx::fround( aScale.getX() * aBmpSize.Width() ),
+ ::basegfx::fround( aScale.getY() * aBmpSize.Height() ) );
+
+ pGrfObj->Draw(mpOutDevProvider->getOutDev(),
+ aPt,
+ aSz,
+ &aGrfAttr);
+
+ if( mp2ndOutDevProvider )
+ pGrfObj->Draw(mp2ndOutDevProvider->getOutDev(),
+ aPt,
+ aSz,
+ &aGrfAttr);
+
+ // created GraphicObject, which possibly cached
+ // display bitmap - return cache object, to retain
+ // that information.
+ return uno::Reference< rendering::XCachedPrimitive >(
+ new CachedBitmap( pGrfObj,
+ aPt,
+ aSz,
+ aGrfAttr,
+ viewState,
+ renderState,
+ // cast away const, need to
+ // change refcount (as this is
+ // ~invisible to client code,
+ // still logically const)
+ const_cast< rendering::XCanvas* >(pCanvas)) );
+ }
+ }
+
+ // Nothing rendered
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmap( const rendering::XCanvas* pCanvas,
+ const uno::Reference< rendering::XBitmap >& xBitmap,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return implDrawBitmap( pCanvas,
+ xBitmap,
+ viewState,
+ renderState,
+ false );
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmapModulated( const rendering::XCanvas* pCanvas,
+ const uno::Reference< rendering::XBitmap >& xBitmap,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return implDrawBitmap( pCanvas,
+ xBitmap,
+ viewState,
+ renderState,
+ true );
+ }
+
+ geometry::IntegerSize2D CanvasHelper::getSize()
+ {
+ if( !mpOutDevProvider )
+ return geometry::IntegerSize2D(); // we're disposed
+
+ return vcl::unotools::integerSize2DFromSize( mpOutDevProvider->getOutDev().GetOutputSizePixel() );
+ }
+
+ uno::Reference< rendering::XBitmap > CanvasHelper::getScaledBitmap( const geometry::RealSize2D& newSize,
+ bool beFast )
+ {
+ if( !mpOutDevProvider || !mpDevice )
+ return uno::Reference< rendering::XBitmap >(); // we're disposed
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+
+ // TODO(F2): Support alpha vdev canvas here
+ const Point aEmptyPoint(0,0);
+ const Size aBmpSize( rOutDev.GetOutputSizePixel() );
+
+ BitmapEx aBitmap( rOutDev.GetBitmapEx(aEmptyPoint, aBmpSize) );
+
+ aBitmap.Scale( vcl::unotools::sizeFromRealSize2D(newSize),
+ beFast ? BmpScaleFlag::Default : BmpScaleFlag::BestQuality );
+
+ return uno::Reference< rendering::XBitmap >(
+ new CanvasBitmap( aBitmap, *mpDevice, mpOutDevProvider ) );
+ }
+
+ uno::Sequence< sal_Int8 > CanvasHelper::getData( rendering::IntegerBitmapLayout& rLayout,
+ const geometry::IntegerRectangle2D& rect )
+ {
+ if( !mpOutDevProvider )
+ return uno::Sequence< sal_Int8 >(); // we're disposed
+
+ rLayout = getMemoryLayout();
+
+ // TODO(F2): Support alpha canvas here
+ const ::tools::Rectangle aRect( vcl::unotools::rectangleFromIntegerRectangle2D(rect) );
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+
+ Bitmap aBitmap( rOutDev.GetBitmapEx(aRect.TopLeft(),
+ aRect.GetSize()).GetBitmap() );
+
+ Bitmap::ScopedReadAccess pReadAccess( aBitmap );
+
+ ENSURE_OR_THROW( pReadAccess.get() != nullptr,
+ "Could not acquire read access to OutDev bitmap" );
+
+ const sal_Int32 nWidth( rect.X2 - rect.X1 );
+ const sal_Int32 nHeight( rect.Y2 - rect.Y1 );
+
+ rLayout.ScanLines = nHeight;
+ rLayout.ScanLineBytes = nWidth*4;
+ rLayout.ScanLineStride = rLayout.ScanLineBytes;
+
+ uno::Sequence< sal_Int8 > aRes( 4*nWidth*nHeight );
+ sal_Int8* pRes = aRes.getArray();
+
+ int nCurrPos(0);
+ for( int y=0; y<nHeight; ++y )
+ {
+ for( int x=0; x<nWidth; ++x )
+ {
+ pRes[ nCurrPos++ ] = pReadAccess->GetColor( y, x ).GetRed();
+ pRes[ nCurrPos++ ] = pReadAccess->GetColor( y, x ).GetGreen();
+ pRes[ nCurrPos++ ] = pReadAccess->GetColor( y, x ).GetBlue();
+ pRes[ nCurrPos++ ] = -1;
+ }
+ }
+
+ return aRes;
+ }
+
+ uno::Sequence< sal_Int8 > CanvasHelper::getPixel( rendering::IntegerBitmapLayout& rLayout,
+ const geometry::IntegerPoint2D& pos )
+ {
+ if( !mpOutDevProvider )
+ return uno::Sequence< sal_Int8 >(); // we're disposed
+
+ rLayout = getMemoryLayout();
+ rLayout.ScanLines = 1;
+ rLayout.ScanLineBytes = 4;
+ rLayout.ScanLineStride = rLayout.ScanLineBytes;
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+
+ const Size aBmpSize( rOutDev.GetOutputSizePixel() );
+
+ ENSURE_ARG_OR_THROW( pos.X >= 0 && pos.X < aBmpSize.Width(),
+ "X coordinate out of bounds" );
+ ENSURE_ARG_OR_THROW( pos.Y >= 0 && pos.Y < aBmpSize.Height(),
+ "Y coordinate out of bounds" );
+
+ // TODO(F2): Support alpha canvas here
+ return ::canvas::tools::colorToStdIntSequence(
+ rOutDev.GetPixel(
+ vcl::unotools::pointFromIntegerPoint2D( pos )));
+ }
+
+ rendering::IntegerBitmapLayout CanvasHelper::getMemoryLayout()
+ {
+ if( !mpOutDevProvider )
+ return rendering::IntegerBitmapLayout(); // we're disposed
+
+ rendering::IntegerBitmapLayout aBitmapLayout( ::canvas::tools::getStdMemoryLayout(getSize()) );
+ if ( !mbHaveAlpha )
+ aBitmapLayout.ColorSpace = canvas::tools::getStdColorSpaceWithoutAlpha();
+
+ return aBitmapLayout;
+ }
+
+ int CanvasHelper::setupOutDevState( const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ ColorType eColorType ) const
+ {
+ ENSURE_OR_THROW( mpOutDevProvider,
+ "outdev null. Are we disposed?" );
+
+ ::canvas::tools::verifyInput( renderState,
+ __func__,
+ mpDevice,
+ 2,
+ eColorType == IGNORE_COLOR ? 0 : 3 );
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+ OutputDevice* p2ndOutDev = nullptr;
+
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+
+ if( mp2ndOutDevProvider )
+ p2ndOutDev = &mp2ndOutDevProvider->getOutDev();
+
+ int nAlpha(255);
+
+ // TODO(P2): Don't change clipping all the time, maintain current clip
+ // state and change only when update is necessary
+ ::canvas::tools::clipOutDev(viewState, renderState, rOutDev, p2ndOutDev);
+
+ Color aColor( COL_WHITE );
+
+ if( renderState.DeviceColor.getLength() > 2 )
+ {
+ aColor = vcl::unotools::stdColorSpaceSequenceToColor(
+ renderState.DeviceColor );
+ }
+
+ // extract alpha, and make color opaque
+ // afterwards. Otherwise, OutputDevice won't draw anything
+ nAlpha = aColor.GetAlpha();
+ aColor.SetAlpha(255);
+
+ if( eColorType != IGNORE_COLOR )
+ {
+ switch( eColorType )
+ {
+ case LINE_COLOR:
+ rOutDev.SetLineColor( aColor );
+ rOutDev.SetFillColor();
+
+ if( p2ndOutDev )
+ {
+ p2ndOutDev->SetLineColor( aColor );
+ p2ndOutDev->SetFillColor();
+ }
+ break;
+
+ case FILL_COLOR:
+ rOutDev.SetFillColor( aColor );
+ rOutDev.SetLineColor();
+
+ if( p2ndOutDev )
+ {
+ p2ndOutDev->SetFillColor( aColor );
+ p2ndOutDev->SetLineColor();
+ }
+ break;
+
+ case TEXT_COLOR:
+ rOutDev.SetTextColor( aColor );
+
+ if( p2ndOutDev )
+ p2ndOutDev->SetTextColor( aColor );
+ break;
+
+ default:
+ ENSURE_OR_THROW( false,
+ "Unexpected color type");
+ break;
+ }
+ }
+
+ return nAlpha;
+ }
+
+ bool CanvasHelper::setupTextOutput( ::Point& o_rOutPos,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const uno::Reference< rendering::XCanvasFont >& xFont ) const
+ {
+ ENSURE_OR_THROW( mpOutDevProvider,
+ "outdev null. Are we disposed?" );
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+
+ setupOutDevState( viewState, renderState, TEXT_COLOR );
+
+ CanvasFont* pFont = dynamic_cast< CanvasFont* >( xFont.get() );
+
+ ENSURE_ARG_OR_THROW( pFont,
+ "Font not compatible with this canvas" );
+
+ vcl::Font aVCLFont = pFont->getVCLFont();
+
+ Color aColor( COL_BLACK );
+
+ if( renderState.DeviceColor.getLength() > 2 )
+ {
+ aColor = vcl::unotools::stdColorSpaceSequenceToColor(
+ renderState.DeviceColor );
+ }
+
+ // setup font color
+ aVCLFont.SetColor( aColor );
+ aVCLFont.SetFillColor( aColor );
+
+ // no need to replicate this for mp2ndOutDev, we're modifying only aVCLFont here.
+ if( !tools::setupFontTransform( o_rOutPos, aVCLFont, viewState, renderState, rOutDev ) )
+ return false;
+
+ rOutDev.SetFont( aVCLFont );
+
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().SetFont( aVCLFont );
+
+ return true;
+ }
+
+ bool CanvasHelper::repaint( const GraphicObjectSharedPtr& rGrf,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const
+ {
+ ENSURE_OR_RETURN_FALSE( rGrf,
+ "Invalid Graphic" );
+
+ if( !mpOutDevProvider )
+ return false; // disposed
+ else
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+ setupOutDevState( viewState, renderState, IGNORE_COLOR );
+
+ if (!rGrf->Draw(mpOutDevProvider->getOutDev(), rPt, rSz, &rAttr))
+ return false;
+
+ // #i80779# Redraw also into mask outdev
+ if (mp2ndOutDevProvider)
+ return rGrf->Draw(mp2ndOutDevProvider->getOutDev(), rPt, rSz, &rAttr);
+
+ return true;
+ }
+ }
+
+ void CanvasHelper::flush() const
+ {
+ if (mpOutDevProvider)
+ mpOutDevProvider->getOutDev().Flush();
+
+ if (mp2ndOutDevProvider)
+ mp2ndOutDevProvider->getOutDev().Flush();
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvashelper.hxx b/canvas/source/vcl/canvashelper.hxx
new file mode 100644
index 000000000..ba385110b
--- /dev/null
+++ b/canvas/source/vcl/canvashelper.hxx
@@ -0,0 +1,309 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/geometry/IntegerPoint2D.hpp>
+#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
+#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+
+#include "cachedbitmap.hxx"
+#include "outdevprovider.hxx"
+
+
+namespace vclcanvas
+{
+ class SpriteCanvas;
+
+ /** Helper class for basic canvas functionality. Also offers
+ optional backbuffer painting, when providing it with a second
+ OutputDevice to render into.
+ */
+ class CanvasHelper
+ {
+ public:
+ /** Create canvas helper
+ */
+ CanvasHelper();
+
+ /// make noncopyable
+ CanvasHelper(const CanvasHelper&) = delete;
+ const CanvasHelper& operator=(const CanvasHelper&) = delete;
+
+ /// Release all references
+ void disposing();
+
+ /** Initialize canvas helper
+
+ This method late-initializes the canvas helper, providing
+ it with the necessary device and output objects. Note that
+ the CanvasHelper does <em>not</em> take ownership of the
+ passed rDevice reference, nor does it perform any
+ reference counting. Thus, to prevent the reference counted
+ SpriteCanvas object from deletion, the user of this class
+ is responsible for holding ref-counted references itself!
+
+ @param rDevice
+ Reference device this canvas is associated with
+
+ @param rOutDev
+ Set primary output device for this canvas. That's where
+ all content is output to.
+
+ @param bProtect
+ When true, all output operations preserve outdev
+ state. When false, outdev state might change at any time.
+
+ @param bHaveAlpha
+ When true, hasAlpha() will always return true, otherwise, false.
+ */
+ void init( css::rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDev,
+ bool bProtect,
+ bool bHaveAlpha );
+
+ /** Set primary output device
+
+ This changes the primary output device, where rendering is
+ sent to.
+ */
+ void setOutDev( const OutDevProviderSharedPtr& rOutDev,
+ bool bProtect);
+
+ /** Set secondary output device
+
+ Used for sprites, to generate mask bitmap.
+ */
+ void setBackgroundOutDev( const OutDevProviderSharedPtr& rOutDev );
+
+
+ // CanvasHelper functionality
+ // ==========================
+
+ // XCanvas (only providing, not implementing the
+ // interface. Also note subtle method parameter differences)
+ void clear();
+ void drawLine( const css::rendering::XCanvas* rCanvas,
+ const css::geometry::RealPoint2D& aStartPoint,
+ const css::geometry::RealPoint2D& aEndPoint,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ void drawBezier( const css::rendering::XCanvas* rCanvas,
+ const css::geometry::RealBezierSegment2D& aBezierSegment,
+ const css::geometry::RealPoint2D& aEndPoint,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ drawPolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ strokePolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::rendering::StrokeAttributes& strokeAttributes );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ strokeTexturedPolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::uno::Sequence<
+ css::rendering::Texture >& textures,
+ const css::rendering::StrokeAttributes& strokeAttributes );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ strokeTextureMappedPolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::uno::Sequence<
+ css::rendering::Texture >& textures,
+ const css::uno::Reference<
+ css::geometry::XMapping2D >& xMapping,
+ const css::rendering::StrokeAttributes& strokeAttributes );
+ css::uno::Reference< css::rendering::XPolyPolygon2D >
+ queryStrokeShapes( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::rendering::StrokeAttributes& strokeAttributes );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ fillPolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ fillTexturedPolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::uno::Sequence<
+ css::rendering::Texture >& textures );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ fillTextureMappedPolyPolygon( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::uno::Sequence<
+ css::rendering::Texture >& textures,
+ const css::uno::Reference<
+ css::geometry::XMapping2D >& xMapping );
+
+ css::uno::Reference< css::rendering::XCanvasFont >
+ createFont( const css::rendering::XCanvas* rCanvas,
+ const css::rendering::FontRequest& fontRequest,
+ const css::uno::Sequence<
+ css::beans::PropertyValue >& extraFontProperties,
+ const css::geometry::Matrix2D& fontMatrix );
+
+ css::uno::Sequence< css::rendering::FontInfo >
+ queryAvailableFonts( const css::rendering::XCanvas* rCanvas,
+ const css::rendering::FontInfo& aFilter,
+ const css::uno::Sequence<
+ css::beans::PropertyValue >& aFontProperties );
+
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ drawText( const css::rendering::XCanvas* rCanvas,
+ const css::rendering::StringContext& text,
+ const css::uno::Reference<
+ css::rendering::XCanvasFont >& xFont,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ sal_Int8 textDirection );
+
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ drawTextLayout( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XTextLayout >& laidOutText,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ drawBitmap( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XBitmap >& xBitmap,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ drawBitmapModulated( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XBitmap >& xBitmap,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ // cast away const, need to change refcount (as this is
+ // ~invisible to client code, still logically const)
+ css::uno::Reference< css::rendering::XGraphicDevice >
+ getDevice() { return css::uno::Reference< css::rendering::XGraphicDevice >(mpDevice); }
+
+
+ // BitmapCanvasHelper functionality
+ // ================================
+
+ css::geometry::IntegerSize2D getSize();
+
+ css::uno::Reference< css::rendering::XBitmap >
+ getScaledBitmap( const css::geometry::RealSize2D& newSize,
+ bool beFast );
+
+ css::uno::Sequence< sal_Int8 >
+ getData( css::rendering::IntegerBitmapLayout& bitmapLayout,
+ const css::geometry::IntegerRectangle2D& rect );
+
+ css::uno::Sequence< sal_Int8 >
+ getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout,
+ const css::geometry::IntegerPoint2D& pos );
+
+ css::rendering::IntegerBitmapLayout getMemoryLayout();
+
+ /// Repaint a cached bitmap
+ bool repaint( const GraphicObjectSharedPtr& rGrf,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const;
+
+ /** Flush drawing queue.
+
+ This only works for Window canvases, and ensures that all
+ pending render operations are flushed to the
+ driver/hardware.
+ */
+ void flush() const;
+
+ enum ColorType
+ {
+ LINE_COLOR, FILL_COLOR, TEXT_COLOR, IGNORE_COLOR
+ };
+
+ // returns alpha of color
+ int setupOutDevState( const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ ColorType eColorType ) const;
+
+ bool hasAlpha() const { return mbHaveAlpha; }
+
+ protected:
+ /** Phyical output device
+
+ Deliberately not a refcounted reference, because of
+ potential circular references for spritecanvas.
+ */
+ css::rendering::XGraphicDevice* mpDevice;
+
+ /// Rendering to this outdev preserves its state
+ OutDevProviderSharedPtr mpProtectedOutDevProvider;
+
+ /// Rendering to this outdev does not preserve its state
+ OutDevProviderSharedPtr mpOutDevProvider;
+
+ /// Rendering to this outdev does not preserve its state
+ OutDevProviderSharedPtr mp2ndOutDevProvider;
+
+ /// When true, content is able to represent alpha
+ bool mbHaveAlpha;
+
+ private:
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ implDrawBitmap( const css::rendering::XCanvas* rCanvas,
+ const css::uno::Reference<
+ css::rendering::XBitmap >& xBitmap,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ bool bModulateColors );
+
+ bool setupTextOutput( ::Point& o_rOutPos,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::uno::Reference< css::rendering::XCanvasFont >& xFont ) const;
+
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvashelper_texturefill.cxx b/canvas/source/vcl/canvashelper_texturefill.cxx
new file mode 100644
index 000000000..fa8b97395
--- /dev/null
+++ b/canvas/source/vcl/canvashelper_texturefill.cxx
@@ -0,0 +1,1088 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cstdlib>
+#include <tuple>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/utils/keystoplerp.hxx>
+#include <basegfx/utils/lerp.hxx>
+#include <basegfx/utils/tools.hxx>
+#include <com/sun/star/rendering/TexturingMode.hpp>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+#include <tools/poly.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/gradient.hxx>
+
+#include <canvas/canvastools.hxx>
+#include <parametricpolypolygon.hxx>
+
+#include "canvashelper.hxx"
+#include "impltools.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ namespace
+ {
+ bool textureFill( OutputDevice& rOutDev,
+ const GraphicObject& rGraphic,
+ const ::Point& rPosPixel,
+ const ::Size& rNextTileX,
+ const ::Size& rNextTileY,
+ sal_Int32 nTilesX,
+ sal_Int32 nTilesY,
+ const ::Size& rTileSize,
+ const GraphicAttr& rAttr)
+ {
+ bool bRet( false );
+ Point aCurrPos;
+ int nX, nY;
+
+ for( nY=0; nY < nTilesY; ++nY )
+ {
+ aCurrPos.setX( rPosPixel.X() + nY*rNextTileY.Width() );
+ aCurrPos.setY( rPosPixel.Y() + nY*rNextTileY.Height() );
+
+ for( nX=0; nX < nTilesX; ++nX )
+ {
+ // update return value. This method should return true, if
+ // at least one of the looped Draws succeeded.
+ bRet |= rGraphic.Draw(rOutDev,
+ aCurrPos,
+ rTileSize,
+ &rAttr);
+
+ aCurrPos.AdjustX(rNextTileX.Width() );
+ aCurrPos.AdjustY(rNextTileX.Height() );
+ }
+ }
+
+ return bRet;
+ }
+
+
+ /** Fill linear or axial gradient
+
+ Since most of the code for linear and axial gradients are
+ the same, we've a unified method here
+ */
+ void fillLinearGradient( OutputDevice& rOutDev,
+ const ::basegfx::B2DHomMatrix& rTextureTransform,
+ const ::tools::Rectangle& rBounds,
+ unsigned int nStepCount,
+ const ::canvas::ParametricPolyPolygon::Values& rValues,
+ const std::vector< ::Color >& rColors )
+ {
+ // determine general position of gradient in relation to
+ // the bound rect
+ // =====================================================
+
+ ::basegfx::B2DPoint aLeftTop( 0.0, 0.0 );
+ ::basegfx::B2DPoint aLeftBottom( 0.0, 1.0 );
+ ::basegfx::B2DPoint aRightTop( 1.0, 0.0 );
+ ::basegfx::B2DPoint aRightBottom( 1.0, 1.0 );
+
+ aLeftTop *= rTextureTransform;
+ aLeftBottom *= rTextureTransform;
+ aRightTop *= rTextureTransform;
+ aRightBottom*= rTextureTransform;
+
+ // calc length of bound rect diagonal
+ const ::basegfx::B2DVector aBoundRectDiagonal(
+ vcl::unotools::b2DPointFromPoint( rBounds.TopLeft() ) -
+ vcl::unotools::b2DPointFromPoint( rBounds.BottomRight() ) );
+ const double nDiagonalLength( aBoundRectDiagonal.getLength() );
+
+ // create direction of gradient:
+ // _______
+ // | | |
+ // -> | | | ...
+ // | | |
+ // -------
+ ::basegfx::B2DVector aDirection( aRightTop - aLeftTop );
+ aDirection.normalize();
+
+ // now, we potentially have to enlarge our gradient area
+ // atop and below the transformed [0,1]x[0,1] unit rect,
+ // for the gradient to fill the complete bound rect.
+ ::basegfx::utils::infiniteLineFromParallelogram( aLeftTop,
+ aLeftBottom,
+ aRightTop,
+ aRightBottom,
+ vcl::unotools::b2DRectangleFromRectangle(rBounds) );
+
+
+ // render gradient
+ // ===============
+
+ // First try to use directly VCL's DrawGradient(), as that one is generally
+ // a better choice than here decomposing to polygons. The VCL API allows
+ // only 2 colors, but that should generally do.
+ // Do not use nStepCount, it limits optimized implementations, and it's computed
+ // by vclcanvas based on number of colors, so it's practically irrelevant.
+
+ // 2 colors and 2 stops (at 0 and 1) is a linear gradient:
+ if( rColors.size() == 2 && rValues.maStops.size() == 2 && rValues.maStops[0] == 0 && rValues.maStops[1] == 1)
+ {
+ // tdf#144073: Note that the code below adjusts the gradient area this way.
+ // No, I have no idea why.
+ aLeftTop -= 2.0*nDiagonalLength*aDirection;
+ aLeftBottom -= 2.0*nDiagonalLength*aDirection;
+ aRightTop += 2.0*nDiagonalLength*aDirection;
+ aRightBottom += 2.0*nDiagonalLength*aDirection;
+ Gradient vclGradient( GradientStyle::Linear, rColors[ 0 ], rColors[ 1 ] );
+ ::tools::Polygon aTempPoly( static_cast<sal_uInt16>(5) );
+ aTempPoly[0] = ::Point( ::basegfx::fround( aLeftTop.getX() ),
+ ::basegfx::fround( aLeftTop.getY() ) );
+ aTempPoly[1] = ::Point( ::basegfx::fround( aRightTop.getX() ),
+ ::basegfx::fround( aRightTop.getY() ) );
+ aTempPoly[2] = ::Point( ::basegfx::fround( aRightBottom.getX() ),
+ ::basegfx::fround( aRightBottom.getY() ) );
+ aTempPoly[3] = ::Point( ::basegfx::fround( aLeftBottom.getX() ),
+ ::basegfx::fround( aLeftBottom.getY() ) );
+ aTempPoly[4] = aTempPoly[0];
+ rOutDev.DrawGradient( aTempPoly, vclGradient );
+ return;
+ }
+ // 3 colors with first and last being equal and 3 stops (at 0, 0.5 and 1) is an axial gradient:
+ if( rColors.size() == 3 && rColors[ 0 ] == rColors[ 2 ]
+ && rValues.maStops.size() == 3 && rValues.maStops[0] == 0
+ && rValues.maStops[1] == 0.5 && rValues.maStops[2] == 1)
+ {
+ // tdf#144073: Note that the code below adjusts the gradient area this way.
+ // No, I have no idea why.
+ aLeftTop -= 2.0*nDiagonalLength*aDirection;
+ aLeftBottom -= 2.0*nDiagonalLength*aDirection;
+ aRightTop += 2.0*nDiagonalLength*aDirection;
+ aRightBottom += 2.0*nDiagonalLength*aDirection;
+ Gradient vclGradient( GradientStyle::Axial, rColors[ 1 ], rColors[ 0 ] );
+ ::tools::Polygon aTempPoly( static_cast<sal_uInt16>(5) );
+ aTempPoly[0] = ::Point( ::basegfx::fround( aLeftTop.getX() ),
+ ::basegfx::fround( aLeftTop.getY() ) );
+ aTempPoly[1] = ::Point( ::basegfx::fround( aRightTop.getX() ),
+ ::basegfx::fround( aRightTop.getY() ) );
+ aTempPoly[2] = ::Point( ::basegfx::fround( aRightBottom.getX() ),
+ ::basegfx::fround( aRightBottom.getY() ) );
+ aTempPoly[3] = ::Point( ::basegfx::fround( aLeftBottom.getX() ),
+ ::basegfx::fround( aLeftBottom.getY() ) );
+ aTempPoly[4] = aTempPoly[0];
+ rOutDev.DrawGradient( aTempPoly, vclGradient );
+ return;
+ }
+
+ // for linear gradients, it's easy to render
+ // non-overlapping polygons: just split the gradient into
+ // nStepCount small strips. Prepare the strip now.
+
+ // For performance reasons, we create a temporary VCL
+ // polygon here, keep it all the way and only change the
+ // vertex values in the loop below (as ::Polygon is a
+ // pimpl class, creating one every loop turn would really
+ // stress the mem allocator)
+ ::tools::Polygon aTempPoly( static_cast<sal_uInt16>(5) );
+
+ OSL_ENSURE( nStepCount >= 3,
+ "fillLinearGradient(): stepcount smaller than 3" );
+
+
+ // fill initial strip (extending two times the bound rect's
+ // diagonal to the 'left'
+
+
+ // calculate left edge, by moving left edge of the
+ // gradient rect two times the bound rect's diagonal to
+ // the 'left'. Since we postpone actual rendering into the
+ // loop below, we set the _right_ edge here, which will be
+ // readily copied into the left edge in the loop below
+ const ::basegfx::B2DPoint& rPoint1( aLeftTop - 2.0*nDiagonalLength*aDirection );
+ aTempPoly[1] = ::Point( ::basegfx::fround( rPoint1.getX() ),
+ ::basegfx::fround( rPoint1.getY() ) );
+
+ const ::basegfx::B2DPoint& rPoint2( aLeftBottom - 2.0*nDiagonalLength*aDirection );
+ aTempPoly[2] = ::Point( ::basegfx::fround( rPoint2.getX() ),
+ ::basegfx::fround( rPoint2.getY() ) );
+
+
+ // iteratively render all other strips
+
+
+ // ensure that nStepCount matches color stop parity, to
+ // have a well-defined middle color e.g. for axial
+ // gradients.
+ if( (rColors.size() % 2) != (nStepCount % 2) )
+ ++nStepCount;
+
+ rOutDev.SetLineColor();
+
+ basegfx::utils::KeyStopLerp aLerper(rValues.maStops);
+
+ // only iterate nStepCount-1 steps, as the last strip is
+ // explicitly painted below
+ for( unsigned int i=0; i<nStepCount-1; ++i )
+ {
+ std::ptrdiff_t nIndex;
+ double fAlpha;
+ std::tie(nIndex,fAlpha)=aLerper.lerp(double(i)/nStepCount);
+
+ rOutDev.SetFillColor(
+ Color( static_cast<sal_uInt8>(basegfx::utils::lerp(rColors[nIndex].GetRed(),rColors[nIndex+1].GetRed(),fAlpha)),
+ static_cast<sal_uInt8>(basegfx::utils::lerp(rColors[nIndex].GetGreen(),rColors[nIndex+1].GetGreen(),fAlpha)),
+ static_cast<sal_uInt8>(basegfx::utils::lerp(rColors[nIndex].GetBlue(),rColors[nIndex+1].GetBlue(),fAlpha)) ));
+
+ // copy right edge of polygon to left edge (and also
+ // copy the closing point)
+ aTempPoly[0] = aTempPoly[4] = aTempPoly[1];
+ aTempPoly[3] = aTempPoly[2];
+
+ // calculate new right edge, from interpolating
+ // between start and end line. Note that i is
+ // increased by one, to account for the fact that we
+ // calculate the right border here (whereas the fill
+ // color is governed by the left edge)
+ const ::basegfx::B2DPoint& rPoint3(
+ (nStepCount - i-1)/double(nStepCount)*aLeftTop +
+ (i+1)/double(nStepCount)*aRightTop );
+ aTempPoly[1] = ::Point( ::basegfx::fround( rPoint3.getX() ),
+ ::basegfx::fround( rPoint3.getY() ) );
+
+ const ::basegfx::B2DPoint& rPoint4(
+ (nStepCount - i-1)/double(nStepCount)*aLeftBottom +
+ (i+1)/double(nStepCount)*aRightBottom );
+ aTempPoly[2] = ::Point( ::basegfx::fround( rPoint4.getX() ),
+ ::basegfx::fround( rPoint4.getY() ) );
+
+ rOutDev.DrawPolygon( aTempPoly );
+ }
+
+ // fill final strip (extending two times the bound rect's
+ // diagonal to the 'right'
+
+
+ // copy right edge of polygon to left edge (and also
+ // copy the closing point)
+ aTempPoly[0] = aTempPoly[4] = aTempPoly[1];
+ aTempPoly[3] = aTempPoly[2];
+
+ // calculate new right edge, by moving right edge of the
+ // gradient rect two times the bound rect's diagonal to
+ // the 'right'.
+ const ::basegfx::B2DPoint& rPoint3( aRightTop + 2.0*nDiagonalLength*aDirection );
+ aTempPoly[0] = aTempPoly[4] = ::Point( ::basegfx::fround( rPoint3.getX() ),
+ ::basegfx::fround( rPoint3.getY() ) );
+
+ const ::basegfx::B2DPoint& rPoint4( aRightBottom + 2.0*nDiagonalLength*aDirection );
+ aTempPoly[3] = ::Point( ::basegfx::fround( rPoint4.getX() ),
+ ::basegfx::fround( rPoint4.getY() ) );
+
+ rOutDev.SetFillColor( rColors.back() );
+
+ rOutDev.DrawPolygon( aTempPoly );
+ }
+
+ void fillPolygonalGradient( OutputDevice& rOutDev,
+ const ::basegfx::B2DHomMatrix& rTextureTransform,
+ const ::tools::Rectangle& rBounds,
+ unsigned int nStepCount,
+ const ::canvas::ParametricPolyPolygon::Values& rValues,
+ const std::vector< ::Color >& rColors )
+ {
+ const ::basegfx::B2DPolygon& rGradientPoly( rValues.maGradientPoly );
+
+ ENSURE_OR_THROW( rGradientPoly.count() > 2,
+ "fillPolygonalGradient(): polygon without area given" );
+
+ // For performance reasons, we create a temporary VCL polygon
+ // here, keep it all the way and only change the vertex values
+ // in the loop below (as ::Polygon is a pimpl class, creating
+ // one every loop turn would really stress the mem allocator)
+ ::basegfx::B2DPolygon aOuterPoly( rGradientPoly );
+ ::basegfx::B2DPolygon aInnerPoly;
+
+ // subdivide polygon _before_ rendering, would otherwise have
+ // to be performed on every loop turn.
+ if( aOuterPoly.areControlPointsUsed() )
+ aOuterPoly = ::basegfx::utils::adaptiveSubdivideByAngle(aOuterPoly);
+
+ aInnerPoly = aOuterPoly;
+
+ // only transform outer polygon _after_ copying it into
+ // aInnerPoly, because inner polygon has to be scaled before
+ // the actual texture transformation takes place
+ aOuterPoly.transform( rTextureTransform );
+
+ // determine overall transformation for inner polygon (might
+ // have to be prefixed by anisotrophic scaling)
+ ::basegfx::B2DHomMatrix aInnerPolygonTransformMatrix;
+
+
+ // apply scaling (possibly anisotrophic) to inner polygon
+
+
+ // scale inner polygon according to aspect ratio: for
+ // wider-than-tall bounds (nAspectRatio > 1.0), the inner
+ // polygon, representing the gradient focus, must have
+ // non-zero width. Specifically, a bound rect twice as wide as
+ // tall has a focus polygon of half its width.
+ const double nAspectRatio( rValues.mnAspectRatio );
+ if( nAspectRatio > 1.0 )
+ {
+ // width > height case
+ aInnerPolygonTransformMatrix.scale( 1.0 - 1.0/nAspectRatio,
+ 0.0 );
+ }
+ else if( nAspectRatio < 1.0 )
+ {
+ // width < height case
+ aInnerPolygonTransformMatrix.scale( 0.0,
+ 1.0 - nAspectRatio );
+ }
+ else
+ {
+ // isotrophic case
+ aInnerPolygonTransformMatrix.scale( 0.0, 0.0 );
+ }
+
+ // and finally, add texture transform to it.
+ aInnerPolygonTransformMatrix *= rTextureTransform;
+
+ // apply final matrix to polygon
+ aInnerPoly.transform( aInnerPolygonTransformMatrix );
+
+
+ const sal_uInt32 nNumPoints( aOuterPoly.count() );
+ ::tools::Polygon aTempPoly( static_cast<sal_uInt16>(nNumPoints+1) );
+
+ // increase number of steps by one: polygonal gradients have
+ // the outermost polygon rendered in rColor2, and the
+ // innermost in rColor1. The innermost polygon will never
+ // have zero area, thus, we must divide the interval into
+ // nStepCount+1 steps. For example, to create 3 steps:
+
+ // | |
+ // |-------|-------|-------|
+ // | |
+ // 3 2 1 0
+
+ // This yields 4 tick marks, where 0 is never attained (since
+ // zero-area polygons typically don't display perceivable
+ // color).
+ ++nStepCount;
+
+ rOutDev.SetLineColor();
+
+ basegfx::utils::KeyStopLerp aLerper(rValues.maStops);
+
+ // fill background
+ rOutDev.SetFillColor( rColors.front() );
+ rOutDev.DrawRect( rBounds );
+
+ // render polygon
+ // ==============
+
+ for( unsigned int i=1,p; i<nStepCount; ++i )
+ {
+ const double fT( i/double(nStepCount) );
+
+ std::ptrdiff_t nIndex;
+ double fAlpha;
+ std::tie(nIndex,fAlpha)=aLerper.lerp(fT);
+
+ // lerp color
+ rOutDev.SetFillColor(
+ Color( static_cast<sal_uInt8>(basegfx::utils::lerp(rColors[nIndex].GetRed(),rColors[nIndex+1].GetRed(),fAlpha)),
+ static_cast<sal_uInt8>(basegfx::utils::lerp(rColors[nIndex].GetGreen(),rColors[nIndex+1].GetGreen(),fAlpha)),
+ static_cast<sal_uInt8>(basegfx::utils::lerp(rColors[nIndex].GetBlue(),rColors[nIndex+1].GetBlue(),fAlpha)) ));
+
+ // scale and render polygon, by interpolating between
+ // outer and inner polygon.
+
+ for( p=0; p<nNumPoints; ++p )
+ {
+ const ::basegfx::B2DPoint& rOuterPoint( aOuterPoly.getB2DPoint(p) );
+ const ::basegfx::B2DPoint& rInnerPoint( aInnerPoly.getB2DPoint(p) );
+
+ aTempPoly[static_cast<sal_uInt16>(p)] = ::Point(
+ basegfx::fround( fT*rInnerPoint.getX() + (1-fT)*rOuterPoint.getX() ),
+ basegfx::fround( fT*rInnerPoint.getY() + (1-fT)*rOuterPoint.getY() ) );
+ }
+
+ // close polygon explicitly
+ aTempPoly[static_cast<sal_uInt16>(p)] = aTempPoly[0];
+
+ // TODO(P1): compare with vcl/source/gdi/outdev4.cxx,
+ // OutputDevice::ImplDrawComplexGradient(), there's a note
+ // that on some VDev's, rendering disjunct poly-polygons
+ // is faster!
+ rOutDev.DrawPolygon( aTempPoly );
+ }
+ }
+
+ void doGradientFill( OutputDevice& rOutDev,
+ const ::canvas::ParametricPolyPolygon::Values& rValues,
+ const std::vector< ::Color >& rColors,
+ const ::basegfx::B2DHomMatrix& rTextureTransform,
+ const ::tools::Rectangle& rBounds,
+ unsigned int nStepCount )
+ {
+ switch( rValues.meType )
+ {
+ case ::canvas::ParametricPolyPolygon::GradientType::Linear:
+ fillLinearGradient( rOutDev,
+ rTextureTransform,
+ rBounds,
+ nStepCount,
+ rValues,
+ rColors );
+ break;
+
+ case ::canvas::ParametricPolyPolygon::GradientType::Elliptical:
+ case ::canvas::ParametricPolyPolygon::GradientType::Rectangular:
+ fillPolygonalGradient( rOutDev,
+ rTextureTransform,
+ rBounds,
+ nStepCount,
+ rValues,
+ rColors );
+ break;
+
+ default:
+ ENSURE_OR_THROW( false,
+ "CanvasHelper::doGradientFill(): Unexpected case" );
+ }
+ }
+
+ int numColorSteps( const ::Color& rColor1, const ::Color& rColor2 )
+ {
+ return std::max(
+ std::abs( rColor1.GetRed() - rColor2.GetRed() ),
+ std::max(
+ std::abs( rColor1.GetGreen() - rColor2.GetGreen() ),
+ std::abs( rColor1.GetBlue() - rColor2.GetBlue() ) ) );
+ }
+
+ bool gradientFill( OutputDevice& rOutDev,
+ OutputDevice* p2ndOutDev,
+ const ::canvas::ParametricPolyPolygon::Values& rValues,
+ const std::vector< ::Color >& rColors,
+ const ::tools::PolyPolygon& rPoly,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const rendering::Texture& texture,
+ int nTransparency )
+ {
+ // TODO(T2): It is maybe necessary to lock here, should
+ // maGradientPoly someday cease to be const. But then, beware of
+ // deadlocks, canvashelper calls this method with locked own
+ // mutex.
+
+ // calc step size
+
+ int nColorSteps = 0;
+ for( size_t i=0; i<rColors.size()-1; ++i )
+ nColorSteps += numColorSteps(rColors[i],rColors[i+1]);
+
+ ::basegfx::B2DHomMatrix aTotalTransform;
+ const int nStepCount=
+ ::canvas::tools::calcGradientStepCount(aTotalTransform,
+ viewState,
+ renderState,
+ texture,
+ nColorSteps);
+
+ rOutDev.SetLineColor();
+
+ // determine maximal bound rect of texture-filled
+ // polygon
+ const ::tools::Rectangle aPolygonDeviceRectOrig(
+ rPoly.GetBoundRect() );
+
+ if( tools::isRectangle( rPoly ) )
+ {
+ // use optimized output path
+
+
+ // this distinction really looks like a
+ // micro-optimization, but in fact greatly speeds up
+ // especially complex gradients. That's because when using
+ // clipping, we can output polygons instead of
+ // poly-polygons, and don't have to output the gradient
+ // twice for XOR
+
+ rOutDev.Push( vcl::PushFlags::CLIPREGION );
+ rOutDev.IntersectClipRegion( aPolygonDeviceRectOrig );
+ doGradientFill( rOutDev,
+ rValues,
+ rColors,
+ aTotalTransform,
+ aPolygonDeviceRectOrig,
+ nStepCount );
+ rOutDev.Pop();
+
+ if( p2ndOutDev && nTransparency < 253 )
+ {
+ // HACK. Normally, CanvasHelper does not care about
+ // actually what mp2ndOutDev is... well, here we do &
+ // assume a 1bpp target - everything beyond 97%
+ // transparency is fully transparent
+ p2ndOutDev->SetFillColor( COL_BLACK );
+ p2ndOutDev->DrawRect( aPolygonDeviceRectOrig );
+ }
+ }
+ else
+ {
+ const vcl::Region aPolyClipRegion( rPoly );
+
+ rOutDev.Push( vcl::PushFlags::CLIPREGION );
+ rOutDev.IntersectClipRegion( aPolyClipRegion );
+
+ doGradientFill( rOutDev,
+ rValues,
+ rColors,
+ aTotalTransform,
+ aPolygonDeviceRectOrig,
+ nStepCount );
+ rOutDev.Pop();
+
+ if( p2ndOutDev && nTransparency < 253 )
+ {
+ // HACK. Normally, CanvasHelper does not care about
+ // actually what mp2ndOutDev is... well, here we do &
+ // assume a 1bpp target - everything beyond 97%
+ // transparency is fully transparent
+ p2ndOutDev->SetFillColor( COL_BLACK );
+ p2ndOutDev->DrawPolyPolygon( rPoly );
+ }
+ }
+
+#ifdef DEBUG_CANVAS_CANVASHELPER_TEXTUREFILL
+ // extra-verbosity
+ {
+ ::basegfx::B2DRectangle aRect(0.0, 0.0, 1.0, 1.0);
+ ::basegfx::B2DRectangle aTextureDeviceRect;
+ ::basegfx::B2DHomMatrix aTextureTransform;
+ ::canvas::tools::calcTransformedRectBounds( aTextureDeviceRect,
+ aRect,
+ aTextureTransform );
+ rOutDev.SetLineColor( COL_RED );
+ rOutDev.SetFillColor();
+ rOutDev.DrawRect( vcl::unotools::rectangleFromB2DRectangle( aTextureDeviceRect ) );
+
+ rOutDev.SetLineColor( COL_BLUE );
+ ::tools::Polygon aPoly1(
+ vcl::unotools::rectangleFromB2DRectangle( aRect ));
+ ::basegfx::B2DPolygon aPoly2( aPoly1.getB2DPolygon() );
+ aPoly2.transform( aTextureTransform );
+ ::tools::Polygon aPoly3( aPoly2 );
+ rOutDev.DrawPolygon( aPoly3 );
+ }
+#endif
+
+ return true;
+ }
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTexturedPolyPolygon( const rendering::XCanvas* pCanvas,
+ const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const uno::Sequence< rendering::Texture >& textures )
+ {
+ ENSURE_ARG_OR_THROW( xPolyPolygon.is(),
+ "CanvasHelper::fillPolyPolygon(): polygon is NULL");
+ ENSURE_ARG_OR_THROW( textures.hasElements(),
+ "CanvasHelper::fillTexturedPolyPolygon: empty texture sequence");
+
+ if( mpOutDevProvider )
+ {
+ tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDevProvider );
+
+ const int nTransparency( setupOutDevState( viewState, renderState, IGNORE_COLOR ) );
+ ::tools::PolyPolygon aPolyPoly( tools::mapPolyPolygon(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPolyPolygon),
+ viewState, renderState ) );
+
+ // TODO(F1): Multi-texturing
+ if( textures[0].Gradient.is() )
+ {
+ // try to cast XParametricPolyPolygon2D reference to
+ // our implementation class.
+ ::canvas::ParametricPolyPolygon* pGradient =
+ dynamic_cast< ::canvas::ParametricPolyPolygon* >( textures[0].Gradient.get() );
+
+ if( pGradient && pGradient->getValues().maColors.hasElements() )
+ {
+ // copy state from Gradient polypoly locally
+ // (given object might change!)
+ const ::canvas::ParametricPolyPolygon::Values& rValues(
+ pGradient->getValues() );
+
+ if( rValues.maColors.getLength() < 2 )
+ {
+ rendering::RenderState aTempState=renderState;
+ aTempState.DeviceColor = rValues.maColors[0];
+ fillPolyPolygon(pCanvas, xPolyPolygon, viewState, aTempState);
+ }
+ else
+ {
+ std::vector< ::Color > aColors(rValues.maColors.getLength());
+ std::transform(&rValues.maColors[0],
+ &rValues.maColors[0]+rValues.maColors.getLength(),
+ aColors.begin(),
+ [](const uno::Sequence< double >& aColor) {
+ return vcl::unotools::stdColorSpaceSequenceToColor( aColor );
+ } );
+
+ // TODO(E1): Return value
+ // TODO(F1): FillRule
+ gradientFill( mpOutDevProvider->getOutDev(),
+ mp2ndOutDevProvider ? &mp2ndOutDevProvider->getOutDev() : nullptr,
+ rValues,
+ aColors,
+ aPolyPoly,
+ viewState,
+ renderState,
+ textures[0],
+ nTransparency );
+ }
+ }
+ else
+ {
+ // TODO(F1): The generic case is missing here
+ ENSURE_OR_THROW( false,
+ "CanvasHelper::fillTexturedPolyPolygon(): unknown parametric polygon encountered" );
+ }
+ }
+ else if( textures[0].Bitmap.is() )
+ {
+ geometry::IntegerSize2D aBmpSize( textures[0].Bitmap->getSize() );
+
+ ENSURE_ARG_OR_THROW( aBmpSize.Width != 0 &&
+ aBmpSize.Height != 0,
+ "CanvasHelper::fillTexturedPolyPolygon(): zero-sized texture bitmap" );
+
+ // determine maximal bound rect of texture-filled
+ // polygon
+ const ::tools::Rectangle aPolygonDeviceRect(
+ aPolyPoly.GetBoundRect() );
+
+
+ // first of all, determine whether we have a
+ // drawBitmap() in disguise
+ // =========================================
+
+ const bool bRectangularPolygon( tools::isRectangle( aPolyPoly ) );
+
+ ::basegfx::B2DHomMatrix aTotalTransform;
+ ::canvas::tools::mergeViewAndRenderTransform(aTotalTransform,
+ viewState,
+ renderState);
+ ::basegfx::B2DHomMatrix aTextureTransform;
+ ::basegfx::unotools::homMatrixFromAffineMatrix( aTextureTransform,
+ textures[0].AffineTransform );
+
+ aTotalTransform *= aTextureTransform;
+
+ const ::basegfx::B2DRectangle aRect(0.0, 0.0, 1.0, 1.0);
+ ::basegfx::B2DRectangle aTextureDeviceRect;
+ ::canvas::tools::calcTransformedRectBounds( aTextureDeviceRect,
+ aRect,
+ aTotalTransform );
+
+ const ::tools::Rectangle aIntegerTextureDeviceRect(
+ vcl::unotools::rectangleFromB2DRectangle( aTextureDeviceRect ) );
+
+ if( bRectangularPolygon &&
+ aIntegerTextureDeviceRect == aPolygonDeviceRect )
+ {
+ rendering::RenderState aLocalState( renderState );
+ ::canvas::tools::appendToRenderState(aLocalState,
+ aTextureTransform);
+ ::basegfx::B2DHomMatrix aScaleCorrection;
+ aScaleCorrection.scale( 1.0/aBmpSize.Width,
+ 1.0/aBmpSize.Height );
+ ::canvas::tools::appendToRenderState(aLocalState,
+ aScaleCorrection);
+
+ // need alpha modulation?
+ if( !::rtl::math::approxEqual( textures[0].Alpha,
+ 1.0 ) )
+ {
+ // setup alpha modulation values
+ aLocalState.DeviceColor.realloc(4);
+ double* pColor = aLocalState.DeviceColor.getArray();
+ pColor[0] =
+ pColor[1] =
+ pColor[2] = 0.0;
+ pColor[3] = textures[0].Alpha;
+
+ return drawBitmapModulated( pCanvas,
+ textures[0].Bitmap,
+ viewState,
+ aLocalState );
+ }
+ else
+ {
+ return drawBitmap( pCanvas,
+ textures[0].Bitmap,
+ viewState,
+ aLocalState );
+ }
+ }
+ else
+ {
+ // No easy mapping to drawBitmap() - calculate
+ // texturing parameters
+ // ===========================================
+
+ BitmapEx aBmpEx( tools::bitmapExFromXBitmap( textures[0].Bitmap ) );
+
+ // scale down bitmap to [0,1]x[0,1] rect, as required
+ // from the XCanvas interface.
+ ::basegfx::B2DHomMatrix aScaling;
+ ::basegfx::B2DHomMatrix aPureTotalTransform; // pure view*render*texture transform
+ aScaling.scale( 1.0/aBmpSize.Width,
+ 1.0/aBmpSize.Height );
+
+ aTotalTransform = aTextureTransform * aScaling;
+ aPureTotalTransform = aTextureTransform;
+
+ // combine with view and render transform
+ ::basegfx::B2DHomMatrix aMatrix;
+ ::canvas::tools::mergeViewAndRenderTransform(aMatrix, viewState, renderState);
+
+ // combine all three transformations into one
+ // global texture-to-device-space transformation
+ aTotalTransform *= aMatrix;
+ aPureTotalTransform *= aMatrix;
+
+ // analyze transformation, and setup an
+ // appropriate GraphicObject
+ ::basegfx::B2DVector aScale;
+ ::basegfx::B2DPoint aOutputPos;
+ double nRotate;
+ double nShearX;
+ aTotalTransform.decompose( aScale, aOutputPos, nRotate, nShearX );
+
+ GraphicAttr aGrfAttr;
+ GraphicObjectSharedPtr pGrfObj;
+
+ if( ::basegfx::fTools::equalZero( nShearX ) )
+ {
+ // no shear, GraphicObject is enough (the
+ // GraphicObject only supports scaling, rotation
+ // and translation)
+
+ // #i75339# don't apply mirror flags, having
+ // negative size values is enough to make
+ // GraphicObject flip the bitmap
+
+ // The angle has to be mapped from radian to tenths of
+ // degrees with the orientation reversed: [0,2Pi) ->
+ // (3600,0]. Note that the original angle may have
+ // values outside the [0,2Pi) interval.
+ const double nAngleInTenthOfDegrees (3600.0 - basegfx::rad2deg<10>(nRotate));
+ aGrfAttr.SetRotation( Degree10(::basegfx::fround(nAngleInTenthOfDegrees)) );
+
+ pGrfObj = std::make_shared<GraphicObject>( aBmpEx );
+ }
+ else
+ {
+ // modify output position, to account for the fact
+ // that transformBitmap() always normalizes its output
+ // bitmap into the smallest enclosing box.
+ ::basegfx::B2DRectangle aDestRect;
+ ::canvas::tools::calcTransformedRectBounds( aDestRect,
+ ::basegfx::B2DRectangle(0,
+ 0,
+ aBmpSize.Width,
+ aBmpSize.Height),
+ aMatrix );
+
+ aOutputPos.setX( aDestRect.getMinX() );
+ aOutputPos.setY( aDestRect.getMinY() );
+
+ // complex transformation, use generic affine bitmap
+ // transformation
+ aBmpEx = tools::transformBitmap( aBmpEx,
+ aTotalTransform);
+
+ pGrfObj = std::make_shared<GraphicObject>( aBmpEx );
+
+ // clear scale values, generated bitmap already
+ // contains scaling
+ aScale.setX( 1.0 ); aScale.setY( 1.0 );
+
+ // update bitmap size, bitmap has changed above.
+ aBmpSize = vcl::unotools::integerSize2DFromSize(aBmpEx.GetSizePixel());
+ }
+
+
+ // render texture tiled into polygon
+ // =================================
+
+ // calc device space direction vectors. We employ
+ // the following approach for tiled output: the
+ // texture bitmap is output in texture space
+ // x-major order, i.e. tile neighbors in texture
+ // space x direction are rendered back-to-back in
+ // device coordinate space (after the full device
+ // transformation). Thus, the aNextTile* vectors
+ // denote the output position updates in device
+ // space, to get from one tile to the next.
+ ::basegfx::B2DVector aNextTileX( 1.0, 0.0 );
+ ::basegfx::B2DVector aNextTileY( 0.0, 1.0 );
+ aNextTileX *= aPureTotalTransform;
+ aNextTileY *= aPureTotalTransform;
+
+ ::basegfx::B2DHomMatrix aInverseTextureTransform( aPureTotalTransform );
+
+ ENSURE_ARG_OR_THROW( aInverseTextureTransform.isInvertible(),
+ "CanvasHelper::fillTexturedPolyPolygon(): singular texture matrix" );
+
+ aInverseTextureTransform.invert();
+
+ // calc bound rect of extended texture area in
+ // device coordinates. Therefore, we first calc
+ // the area of the polygon bound rect in texture
+ // space. To maintain texture phase, this bound
+ // rect is then extended to integer coordinates
+ // (extended, because shrinking might leave some
+ // inner polygon areas unfilled).
+ // Finally, the bound rect is transformed back to
+ // device coordinate space, were we determine the
+ // start point from it.
+ ::basegfx::B2DRectangle aTextureSpacePolygonRect;
+ ::canvas::tools::calcTransformedRectBounds( aTextureSpacePolygonRect,
+ vcl::unotools::b2DRectangleFromRectangle(aPolygonDeviceRect),
+ aInverseTextureTransform );
+
+ // calc left, top of extended polygon rect in
+ // texture space, create one-texture instance rect
+ // from it (i.e. rect from start point extending
+ // 1.0 units to the right and 1.0 units to the
+ // bottom). Note that the rounding employed here
+ // is a bit subtle, since we need to round up/down
+ // as _soon_ as any fractional amount is
+ // encountered. This is to ensure that the full
+ // polygon area is filled with texture tiles.
+ const sal_Int32 nX1( ::canvas::tools::roundDown( aTextureSpacePolygonRect.getMinX() ) );
+ const sal_Int32 nY1( ::canvas::tools::roundDown( aTextureSpacePolygonRect.getMinY() ) );
+ const sal_Int32 nX2( ::canvas::tools::roundUp( aTextureSpacePolygonRect.getMaxX() ) );
+ const sal_Int32 nY2( ::canvas::tools::roundUp( aTextureSpacePolygonRect.getMaxY() ) );
+ const ::basegfx::B2DRectangle aSingleTextureRect(
+ nX1, nY1,
+ nX1 + 1.0,
+ nY1 + 1.0 );
+
+ // and convert back to device space
+ ::basegfx::B2DRectangle aSingleDeviceTextureRect;
+ ::canvas::tools::calcTransformedRectBounds( aSingleDeviceTextureRect,
+ aSingleTextureRect,
+ aPureTotalTransform );
+
+ const ::Point aPtRepeat( vcl::unotools::pointFromB2DPoint(
+ aSingleDeviceTextureRect.getMinimum() ) );
+ const ::Size aSz( ::basegfx::fround( aScale.getX() * aBmpSize.Width ),
+ ::basegfx::fround( aScale.getY() * aBmpSize.Height ) );
+ const ::Size aIntegerNextTileX( vcl::unotools::sizeFromB2DSize(aNextTileX) );
+ const ::Size aIntegerNextTileY( vcl::unotools::sizeFromB2DSize(aNextTileY) );
+
+ const ::Point aPt( textures[0].RepeatModeX == rendering::TexturingMode::NONE ?
+ ::basegfx::fround( aOutputPos.getX() ) : aPtRepeat.X(),
+ textures[0].RepeatModeY == rendering::TexturingMode::NONE ?
+ ::basegfx::fround( aOutputPos.getY() ) : aPtRepeat.Y() );
+ const sal_Int32 nTilesX( textures[0].RepeatModeX == rendering::TexturingMode::NONE ?
+ 1 : nX2 - nX1 );
+ const sal_Int32 nTilesY( textures[0].RepeatModeX == rendering::TexturingMode::NONE ?
+ 1 : nY2 - nY1 );
+
+ OutputDevice& rOutDev( mpOutDevProvider->getOutDev() );
+
+ if( bRectangularPolygon )
+ {
+ // use optimized output path
+
+
+ // this distinction really looks like a
+ // micro-optimization, but in fact greatly speeds up
+ // especially complex fills. That's because when using
+ // clipping, we can output polygons instead of
+ // poly-polygons, and don't have to output the gradient
+ // twice for XOR
+
+ // setup alpha modulation
+ if( !::rtl::math::approxEqual( textures[0].Alpha,
+ 1.0 ) )
+ {
+ // TODO(F1): Note that the GraphicManager has
+ // a subtle difference in how it calculates
+ // the resulting alpha value: it's using the
+ // inverse alpha values (i.e. 'transparency'),
+ // and calculates transOrig + transModulate,
+ // instead of transOrig + transModulate -
+ // transOrig*transModulate (which would be
+ // equivalent to the origAlpha*modulateAlpha
+ // the DX canvas performs)
+ aGrfAttr.SetAlpha(
+ static_cast< sal_uInt8 >(
+ ::basegfx::fround( 255.0 * textures[0].Alpha ) ) );
+ }
+
+ rOutDev.IntersectClipRegion( aPolygonDeviceRect );
+ textureFill( rOutDev,
+ *pGrfObj,
+ aPt,
+ aIntegerNextTileX,
+ aIntegerNextTileY,
+ nTilesX,
+ nTilesY,
+ aSz,
+ aGrfAttr );
+
+ if( mp2ndOutDevProvider )
+ {
+ OutputDevice& r2ndOutDev( mp2ndOutDevProvider->getOutDev() );
+ r2ndOutDev.IntersectClipRegion( aPolygonDeviceRect );
+ textureFill( r2ndOutDev,
+ *pGrfObj,
+ aPt,
+ aIntegerNextTileX,
+ aIntegerNextTileY,
+ nTilesX,
+ nTilesY,
+ aSz,
+ aGrfAttr );
+ }
+ }
+ else
+ {
+ // output texture the hard way: XORing out the
+ // polygon
+ // ===========================================
+
+ if( !::rtl::math::approxEqual( textures[0].Alpha,
+ 1.0 ) )
+ {
+ // uh-oh. alpha blending is required,
+ // cannot do direct XOR, but have to
+ // prepare the filled polygon within a
+ // VDev
+ ScopedVclPtrInstance< VirtualDevice > pVDev( rOutDev );
+ pVDev->SetOutputSizePixel( aPolygonDeviceRect.GetSize() );
+
+ // shift output to origin of VDev
+ const ::Point aOutPos( aPt - aPolygonDeviceRect.TopLeft() );
+ aPolyPoly.Translate( ::Point( -aPolygonDeviceRect.Left(),
+ -aPolygonDeviceRect.Top() ) );
+
+ const vcl::Region aPolyClipRegion( aPolyPoly );
+
+ pVDev->SetClipRegion( aPolyClipRegion );
+ textureFill( *pVDev,
+ *pGrfObj,
+ aOutPos,
+ aIntegerNextTileX,
+ aIntegerNextTileY,
+ nTilesX,
+ nTilesY,
+ aSz,
+ aGrfAttr );
+
+ // output VDev content alpha-blended to
+ // target position.
+ const ::Point aEmptyPoint;
+ BitmapEx aContentBmp(
+ pVDev->GetBitmapEx( aEmptyPoint,
+ pVDev->GetOutputSizePixel() ) );
+
+ sal_uInt8 nCol( static_cast< sal_uInt8 >(
+ ::basegfx::fround( 255.0*( 1.0 - textures[0].Alpha ) ) ) );
+ AlphaMask aAlpha( pVDev->GetOutputSizePixel(),
+ &nCol );
+
+ BitmapEx aOutputBmpEx( aContentBmp.GetBitmap(), aAlpha );
+ rOutDev.DrawBitmapEx( aPolygonDeviceRect.TopLeft(),
+ aOutputBmpEx );
+
+ if( mp2ndOutDevProvider )
+ mp2ndOutDevProvider->getOutDev().DrawBitmapEx( aPolygonDeviceRect.TopLeft(),
+ aOutputBmpEx );
+ }
+ else
+ {
+ const vcl::Region aPolyClipRegion( aPolyPoly );
+
+ rOutDev.Push( vcl::PushFlags::CLIPREGION );
+ rOutDev.IntersectClipRegion( aPolyClipRegion );
+
+ textureFill( rOutDev,
+ *pGrfObj,
+ aPt,
+ aIntegerNextTileX,
+ aIntegerNextTileY,
+ nTilesX,
+ nTilesY,
+ aSz,
+ aGrfAttr );
+ rOutDev.Pop();
+
+ if( mp2ndOutDevProvider )
+ {
+ OutputDevice& r2ndOutDev( mp2ndOutDevProvider->getOutDev() );
+ r2ndOutDev.Push( vcl::PushFlags::CLIPREGION );
+
+ r2ndOutDev.IntersectClipRegion( aPolyClipRegion );
+ textureFill( r2ndOutDev,
+ *pGrfObj,
+ aPt,
+ aIntegerNextTileX,
+ aIntegerNextTileY,
+ nTilesX,
+ nTilesY,
+ aSz,
+ aGrfAttr );
+ r2ndOutDev.Pop();
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // TODO(P1): Provide caching here.
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/devicehelper.cxx b/canvas/source/vcl/devicehelper.cxx
new file mode 100644
index 000000000..40d2575f8
--- /dev/null
+++ b/canvas/source/vcl/devicehelper.cxx
@@ -0,0 +1,217 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/utils/unopolypolygon.hxx>
+#include <canvas/canvastools.hxx>
+#include <tools/stream.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/dibtools.hxx>
+
+#include "canvasbitmap.hxx"
+#include "devicehelper.hxx"
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ DeviceHelper::DeviceHelper()
+ {}
+
+ void DeviceHelper::init( const OutDevProviderSharedPtr& rOutDev )
+ {
+ mpOutDev = rOutDev;
+ }
+
+ geometry::RealSize2D DeviceHelper::getPhysicalResolution()
+ {
+ if( !mpOutDev )
+ return ::canvas::tools::createInfiniteSize2D(); // we're disposed
+
+ // Map a one-by-one millimeter box to pixel
+ OutputDevice& rOutDev = mpOutDev->getOutDev();
+ const MapMode aOldMapMode( rOutDev.GetMapMode() );
+ rOutDev.SetMapMode( MapMode(MapUnit::MapMM) );
+ const Size aPixelSize( rOutDev.LogicToPixel(Size(1,1)) );
+ rOutDev.SetMapMode( aOldMapMode );
+
+ return vcl::unotools::size2DFromSize( aPixelSize );
+ }
+
+ geometry::RealSize2D DeviceHelper::getPhysicalSize()
+ {
+ if( !mpOutDev )
+ return ::canvas::tools::createInfiniteSize2D(); // we're disposed
+
+ // Map the pixel dimensions of the output window to millimeter
+ OutputDevice& rOutDev = mpOutDev->getOutDev();
+ const MapMode aOldMapMode( rOutDev.GetMapMode() );
+ rOutDev.SetMapMode( MapMode(MapUnit::MapMM) );
+ const Size aLogSize( rOutDev.PixelToLogic(rOutDev.GetOutputSizePixel()) );
+ rOutDev.SetMapMode( aOldMapMode );
+
+ return vcl::unotools::size2DFromSize( aLogSize );
+ }
+
+ uno::Reference< rendering::XLinePolyPolygon2D > DeviceHelper::createCompatibleLinePolyPolygon(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points )
+ {
+ uno::Reference< rendering::XLinePolyPolygon2D > xPoly;
+ if( !mpOutDev )
+ return xPoly; // we're disposed
+
+ xPoly.set( new ::basegfx::unotools::UnoPolyPolygon(
+ ::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence( points ) ) );
+ // vcl only handles even_odd polygons
+ xPoly->setFillRule(rendering::FillRule_EVEN_ODD);
+
+ return xPoly;
+ }
+
+ uno::Reference< rendering::XBezierPolyPolygon2D > DeviceHelper::createCompatibleBezierPolyPolygon(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points )
+ {
+ uno::Reference< rendering::XBezierPolyPolygon2D > xPoly;
+ if( !mpOutDev )
+ return xPoly; // we're disposed
+
+ xPoly.set( new ::basegfx::unotools::UnoPolyPolygon(
+ ::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence( points ) ) );
+ // vcl only handles even_odd polygons
+ xPoly->setFillRule(rendering::FillRule_EVEN_ODD);
+
+ return xPoly;
+ }
+
+ uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& rDevice,
+ const geometry::IntegerSize2D& size )
+ {
+ if( !mpOutDev )
+ return uno::Reference< rendering::XBitmap >(); // we're disposed
+
+ return uno::Reference< rendering::XBitmap >(
+ new CanvasBitmap( vcl::unotools::sizeFromIntegerSize2D(size),
+ false,
+ *rDevice,
+ mpOutDev ) );
+ }
+
+ uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const geometry::IntegerSize2D& )
+ {
+ return uno::Reference< rendering::XVolatileBitmap >();
+ }
+
+ uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleAlphaBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& rDevice,
+ const geometry::IntegerSize2D& size )
+ {
+ if( !mpOutDev )
+ return uno::Reference< rendering::XBitmap >(); // we're disposed
+
+ return uno::Reference< rendering::XBitmap >(
+ new CanvasBitmap( vcl::unotools::sizeFromIntegerSize2D(size),
+ true,
+ *rDevice,
+ mpOutDev ) );
+ }
+
+ uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileAlphaBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const geometry::IntegerSize2D& )
+ {
+ return uno::Reference< rendering::XVolatileBitmap >();
+ }
+
+ void DeviceHelper::disposing()
+ {
+ // release all references
+ mpOutDev.reset();
+ }
+
+ uno::Any DeviceHelper::isAccelerated() const
+ {
+ return css::uno::Any(false);
+ }
+
+ uno::Any DeviceHelper::getDeviceHandle() const
+ {
+ if( !mpOutDev )
+ return uno::Any();
+
+ return uno::Any(
+ reinterpret_cast< sal_Int64 >(&mpOutDev->getOutDev()) );
+ }
+
+ uno::Any DeviceHelper::getSurfaceHandle() const
+ {
+ return getDeviceHandle();
+ }
+
+ namespace
+ {
+ uno::Reference<rendering::XColorSpace>& GetDeviceColorSpace()
+ {
+ static uno::Reference<rendering::XColorSpace> xColorSpace =
+ []()
+ {
+ auto xTmp = canvas::tools::getStdColorSpace();
+ assert( xTmp.is() );
+ return xTmp;
+ }();
+ return xColorSpace;
+ };
+ }
+
+ uno::Reference<rendering::XColorSpace> const & DeviceHelper::getColorSpace() const
+ {
+ // always the same
+ return GetDeviceColorSpace();
+ }
+
+ void DeviceHelper::dumpScreenContent() const
+ {
+ static sal_Int32 nFilePostfixCount(0);
+
+ if( !mpOutDev )
+ return;
+
+ OUString aFilename = "dbg_frontbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
+
+ SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );
+
+ const ::Point aEmptyPoint;
+ OutputDevice& rOutDev = mpOutDev->getOutDev();
+ bool bOldMap( rOutDev.IsMapModeEnabled() );
+ rOutDev.EnableMapMode( false );
+ WriteDIB(rOutDev.GetBitmapEx(aEmptyPoint, rOutDev.GetOutputSizePixel()), aStream, false);
+ rOutDev.EnableMapMode( bOldMap );
+
+ ++nFilePostfixCount;
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/devicehelper.hxx b/canvas/source/vcl/devicehelper.hxx
new file mode 100644
index 000000000..f8ff12aed
--- /dev/null
+++ b/canvas/source/vcl/devicehelper.hxx
@@ -0,0 +1,86 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+
+#include "outdevprovider.hxx"
+
+
+/* Definition of DeviceHelper class */
+
+namespace vclcanvas
+{
+ class DeviceHelper
+ {
+ public:
+ DeviceHelper();
+
+ /// make noncopyable
+ DeviceHelper(const DeviceHelper&) = delete;
+ const DeviceHelper& operator=(const DeviceHelper&) = delete;
+
+ void init( const OutDevProviderSharedPtr& rOutDev );
+
+ /// Dispose all internal references
+ void disposing();
+
+ // XWindowGraphicDevice
+ css::geometry::RealSize2D getPhysicalResolution();
+ css::geometry::RealSize2D getPhysicalSize();
+ css::uno::Reference< css::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
+ const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
+ const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points );
+ css::uno::Reference< css::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
+ const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
+ const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points );
+ css::uno::Reference< css::rendering::XBitmap > createCompatibleBitmap(
+ const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
+ const css::geometry::IntegerSize2D& size );
+ css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileBitmap(
+ const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
+ const css::geometry::IntegerSize2D& size );
+ css::uno::Reference< css::rendering::XBitmap > createCompatibleAlphaBitmap(
+ const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
+ const css::geometry::IntegerSize2D& size );
+ css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
+ const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
+ const css::geometry::IntegerSize2D& size );
+
+ css::uno::Any isAccelerated() const;
+ css::uno::Any getDeviceHandle() const;
+ css::uno::Any getSurfaceHandle() const;
+ css::uno::Reference<
+ css::rendering::XColorSpace > const & getColorSpace() const;
+
+ const OutDevProviderSharedPtr& getOutDev() const { return mpOutDev; }
+
+ /** called when DumpScreenContent property is enabled on
+ XGraphicDevice, and writes out bitmaps of current screen.
+ */
+ void dumpScreenContent() const;
+
+ private:
+ /// For retrieving device info
+ OutDevProviderSharedPtr mpOutDev;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/impltools.cxx b/canvas/source/vcl/impltools.cxx
new file mode 100644
index 000000000..025b80bd2
--- /dev/null
+++ b/canvas/source/vcl/impltools.cxx
@@ -0,0 +1,239 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/tuple/b2dtuple.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/BitmapTools.hxx>
+#include <vcl/metric.hxx>
+#include <vcl/skia/SkiaHelper.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "canvasbitmap.hxx"
+#include "impltools.hxx"
+#include "spritecanvas.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas::tools
+{
+ ::BitmapEx bitmapExFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap )
+ {
+ // TODO(F3): CanvasCustomSprite should also be tunnelled
+ // through (also implements XIntegerBitmap interface)
+ CanvasBitmap* pBitmapImpl = dynamic_cast< CanvasBitmap* >( xBitmap.get() );
+
+ if( pBitmapImpl )
+ {
+ return pBitmapImpl->getBitmap();
+ }
+ else
+ {
+ SpriteCanvas* pCanvasImpl = dynamic_cast< SpriteCanvas* >( xBitmap.get() );
+ if( pCanvasImpl && pCanvasImpl->getBackBuffer() )
+ {
+ // TODO(F3): mind the plain Canvas impl. Consolidate with CWS canvas05
+ const ::OutputDevice& rDev( pCanvasImpl->getBackBuffer()->getOutDev() );
+ const ::Point aEmptyPoint;
+ return rDev.GetBitmapEx( aEmptyPoint,
+ rDev.GetOutputSizePixel() );
+ }
+
+ // TODO(F2): add support for floating point bitmap formats
+ uno::Reference< rendering::XIntegerReadOnlyBitmap > xIntBmp(
+ xBitmap, uno::UNO_QUERY_THROW );
+
+ ::BitmapEx aBmpEx = vcl::unotools::bitmapExFromXBitmap( xIntBmp );
+ if( !aBmpEx.IsEmpty() )
+ return aBmpEx;
+
+ // TODO(F1): extract pixel from XBitmap interface
+ ENSURE_OR_THROW( false,
+ "bitmapExFromXBitmap(): could not extract bitmap" );
+ }
+
+ return ::BitmapEx();
+ }
+
+ bool setupFontTransform( ::Point& o_rPoint,
+ vcl::Font& io_rVCLFont,
+ const rendering::ViewState& rViewState,
+ const rendering::RenderState& rRenderState,
+ ::OutputDevice const & rOutDev )
+ {
+ ::basegfx::B2DHomMatrix aMatrix;
+
+ ::canvas::tools::mergeViewAndRenderTransform(aMatrix,
+ rViewState,
+ rRenderState);
+
+ ::basegfx::B2DTuple aScale;
+ ::basegfx::B2DTuple aTranslate;
+ double nRotate, nShearX;
+
+ aMatrix.decompose( aScale, aTranslate, nRotate, nShearX );
+
+ // query font metric _before_ tampering with width and height
+ if( !::rtl::math::approxEqual(aScale.getX(), aScale.getY()) )
+ {
+ // retrieve true font width
+ const sal_Int32 nFontWidth( rOutDev.GetFontMetric( io_rVCLFont ).GetAverageFontWidth() );
+
+ const sal_Int32 nScaledFontWidth( ::basegfx::fround(nFontWidth * aScale.getX()) );
+
+ if( !nScaledFontWidth )
+ {
+ // scale is smaller than one pixel - disable text
+ // output altogether
+ return false;
+ }
+
+ io_rVCLFont.SetAverageFontWidth( nScaledFontWidth );
+ }
+
+ if( !::rtl::math::approxEqual(aScale.getY(), 1.0) )
+ {
+ const sal_Int32 nFontHeight( io_rVCLFont.GetFontHeight() );
+ io_rVCLFont.SetFontHeight( ::basegfx::fround(nFontHeight * aScale.getY()) );
+ }
+
+ io_rVCLFont.SetOrientation( Degree10( ::basegfx::fround(-basegfx::rad2deg<10>(fmod(nRotate, 2*M_PI))) ) );
+
+ // TODO(F2): Missing functionality in VCL: shearing
+ o_rPoint.setX( ::basegfx::fround(aTranslate.getX()) );
+ o_rPoint.setY( ::basegfx::fround(aTranslate.getY()) );
+
+ return true;
+ }
+
+ bool isRectangle( const ::tools::PolyPolygon& rPolyPoly )
+ {
+ // exclude some cheap cases first
+ if( rPolyPoly.Count() != 1 )
+ return false;
+
+ const ::tools::Polygon& rPoly( rPolyPoly[0] );
+
+ sal_uInt16 nCount( rPoly.GetSize() );
+ if( nCount < 4 )
+ return false;
+
+ // delegate to basegfx
+ return ::basegfx::utils::isRectangle( rPoly.getB2DPolygon() );
+ }
+
+
+ // VCL-Canvas related
+
+
+ ::Point mapRealPoint2D( const geometry::RealPoint2D& rPoint,
+ const rendering::ViewState& rViewState,
+ const rendering::RenderState& rRenderState )
+ {
+ ::basegfx::B2DPoint aPoint( ::basegfx::unotools::b2DPointFromRealPoint2D(rPoint) );
+
+ ::basegfx::B2DHomMatrix aMatrix;
+ aPoint *= ::canvas::tools::mergeViewAndRenderTransform(aMatrix,
+ rViewState,
+ rRenderState);
+
+ return vcl::unotools::pointFromB2DPoint( aPoint );
+ }
+
+ ::tools::PolyPolygon mapPolyPolygon( const ::basegfx::B2DPolyPolygon& rPoly,
+ const rendering::ViewState& rViewState,
+ const rendering::RenderState& rRenderState )
+ {
+ ::basegfx::B2DHomMatrix aMatrix;
+ ::canvas::tools::mergeViewAndRenderTransform(aMatrix,
+ rViewState,
+ rRenderState);
+
+ ::basegfx::B2DPolyPolygon aTemp( rPoly );
+
+ aTemp.transform( aMatrix );
+
+ return ::tools::PolyPolygon( aTemp );
+ }
+
+ ::BitmapEx transformBitmap( const BitmapEx& rBitmap,
+ const ::basegfx::B2DHomMatrix& rTransform )
+ {
+ SAL_INFO( "canvas.vcl", "::vclcanvas::tools::transformBitmap()" );
+ SAL_INFO( "canvas.vcl", "::vclcanvas::tools::transformBitmap: 0x" << std::hex << &rBitmap );
+
+ // calc transformation and size of bitmap to be
+ // generated. Note, that the translational components are
+ // deleted from the transformation; this can be handled by
+ // an offset when painting the bitmap
+ const Size aBmpSize( rBitmap.GetSizePixel() );
+ ::basegfx::B2DRectangle aDestRect;
+
+ // calc effective transformation for bitmap
+ const ::basegfx::B2DRectangle aSrcRect( 0, 0,
+ aBmpSize.Width(),
+ aBmpSize.Height() );
+ ::canvas::tools::calcTransformedRectBounds( aDestRect,
+ aSrcRect,
+ rTransform );
+
+ // re-center bitmap, such that it's left, top border is
+ // aligned with (0,0). The method takes the given
+ // rectangle, and calculates a transformation that maps
+ // this rectangle unscaled to the origin.
+ ::basegfx::B2DHomMatrix aLocalTransform;
+ ::canvas::tools::calcRectToOriginTransform( aLocalTransform,
+ aSrcRect,
+ rTransform );
+
+ return vcl::bitmap::CanvasTransformBitmap(rBitmap, rTransform, aDestRect, aLocalTransform);
+ }
+
+ void SetDefaultDeviceAntiAliasing( OutputDevice* pDevice )
+ {
+#if defined( MACOSX )
+ // use AA on VCLCanvas for Mac
+ pDevice->SetAntialiasing( AntialiasingFlags::Enable | pDevice->GetAntialiasing() );
+#else
+ // switch off AA for WIN32 and UNIX, the VCLCanvas does not look good with it and
+ // is not required to do AA. It would need to be adapted to use it correctly
+ // (especially gradient painting). This will need extra work.
+ if( SkiaHelper::isVCLSkiaEnabled()) // But Skia handles AA fine.
+ pDevice->SetAntialiasing( AntialiasingFlags::Enable | pDevice->GetAntialiasing() );
+ else
+ pDevice->SetAntialiasing(pDevice->GetAntialiasing() & ~AntialiasingFlags::Enable);
+#endif
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/impltools.hxx b/canvas/source/vcl/impltools.hxx
new file mode 100644
index 000000000..f8a9db075
--- /dev/null
+++ b/canvas/source/vcl/impltools.hxx
@@ -0,0 +1,178 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <osl/mutex.hxx>
+
+#include <vcl/svapp.hxx>
+#include <vcl/outdev.hxx>
+
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+
+#include <com/sun/star/uno/Reference.hxx>
+
+#include "outdevprovider.hxx"
+
+
+class OutputDevice;
+class Point;
+class Size;
+
+namespace basegfx
+{
+ namespace matrix
+ {
+ class B2DHomMatrix;
+ }
+}
+
+namespace com::sun::star::awt
+{
+ struct Point;
+ struct Size;
+ struct Rectangle;
+}
+
+namespace com::sun::star::drawing
+{
+ struct HomogenMatrix3;
+}
+
+namespace com::sun::star::geometry
+{
+ struct RealPoint2D;
+ struct RealSize2D;
+ struct RealRectangle2D;
+}
+
+namespace com::sun::star::rendering
+{
+ struct RenderState;
+ struct ViewState;
+ class XBitmap;
+}
+
+
+namespace vclcanvas
+{
+ namespace tools
+ {
+ ::BitmapEx
+ bitmapExFromXBitmap( const css::uno::Reference<
+ css::rendering::XBitmap >& );
+
+ /** Setup VCL font and output position
+
+ @returns false, if no text output should happen
+ */
+ bool setupFontTransform( ::Point& o_rPoint,
+ vcl::Font& io_rVCLFont,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ ::OutputDevice const & rOutDev );
+
+ /** Predicate, to determine whether polygon is actually an axis-aligned rectangle
+
+ @return true, if the polygon is a rectangle.
+ */
+ bool isRectangle( const ::tools::PolyPolygon& rPolyPoly );
+
+
+ // Little helper to encapsulate locking into policy class
+ class LocalGuard
+ {
+ public:
+ LocalGuard() :
+ aSolarGuard()
+ {
+ }
+
+ /// To be compatible with CanvasBase mutex concept
+ explicit LocalGuard( const ::osl::Mutex& ) :
+ aSolarGuard()
+ {
+ }
+
+ private:
+ SolarMutexGuard aSolarGuard;
+ };
+
+ class OutDevStateKeeper
+ {
+ public:
+ explicit OutDevStateKeeper( OutputDevice& rOutDev ) :
+ mpOutDev( &rOutDev ),
+ mbMappingWasEnabled( mpOutDev->IsMapModeEnabled() ),
+ mnAntiAliasing( mpOutDev->GetAntialiasing() )
+ {
+ init();
+ }
+
+ explicit OutDevStateKeeper( const OutDevProviderSharedPtr& rOutDev ) :
+ mpOutDev( rOutDev ? &(rOutDev->getOutDev()) : nullptr ),
+ mbMappingWasEnabled( mpOutDev && mpOutDev->IsMapModeEnabled() ),
+ mnAntiAliasing( mpOutDev ? mpOutDev->GetAntialiasing() : AntialiasingFlags::NONE )
+ {
+ init();
+ }
+
+ ~OutDevStateKeeper()
+ {
+ if( mpOutDev )
+ {
+ mpOutDev->EnableMapMode( mbMappingWasEnabled );
+ mpOutDev->SetAntialiasing( mnAntiAliasing );
+
+ mpOutDev->Pop();
+ }
+ }
+
+ private:
+ void init()
+ {
+ if( mpOutDev )
+ {
+ mpOutDev->Push();
+ mpOutDev->EnableMapMode(false);
+ mpOutDev->SetAntialiasing( AntialiasingFlags::Enable );
+ }
+ }
+
+ VclPtr<OutputDevice> mpOutDev;
+ const bool mbMappingWasEnabled;
+ const AntialiasingFlags mnAntiAliasing;
+ };
+
+ ::Point mapRealPoint2D( const css::geometry::RealPoint2D& rPoint,
+ const css::rendering::ViewState& rViewState,
+ const css::rendering::RenderState& rRenderState );
+
+ ::tools::PolyPolygon mapPolyPolygon( const ::basegfx::B2DPolyPolygon& rPoly,
+ const css::rendering::ViewState& rViewState,
+ const css::rendering::RenderState& rRenderState );
+
+ ::BitmapEx transformBitmap( const BitmapEx& rBitmap,
+ const ::basegfx::B2DHomMatrix& rTransform );
+
+ void SetDefaultDeviceAntiAliasing( OutputDevice* pDevice );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/outdevholder.hxx b/canvas/source/vcl/outdevholder.hxx
new file mode 100644
index 000000000..9679687c4
--- /dev/null
+++ b/canvas/source/vcl/outdevholder.hxx
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <vcl/outdev.hxx>
+
+#include "outdevprovider.hxx"
+
+namespace vclcanvas
+{
+class OutDevHolder : public OutDevProvider
+{
+public:
+ OutDevHolder(const OutDevHolder&) = delete;
+ const OutDevHolder& operator=(const OutDevHolder&) = delete;
+
+ explicit OutDevHolder(OutputDevice& rOutDev)
+ : mrOutDev(rOutDev)
+ {
+ }
+
+private:
+ virtual OutputDevice& getOutDev() override { return mrOutDev; }
+ virtual const OutputDevice& getOutDev() const override { return mrOutDev; }
+
+ // TODO(Q2): Lifetime issue. This _only_ works reliably,
+ // if disposing the Canvas correctly disposes all
+ // entities which hold this pointer.
+ OutputDevice& mrOutDev;
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/outdevprovider.hxx b/canvas/source/vcl/outdevprovider.hxx
new file mode 100644
index 000000000..668212b9d
--- /dev/null
+++ b/canvas/source/vcl/outdevprovider.hxx
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <memory>
+
+class OutputDevice;
+
+namespace vclcanvas
+{
+ /* Definition of OutDevProvider interface */
+
+ /** Implementers of this interface provide the CanvasHelper
+ with its OutputDevice.
+
+ This additional level of indirection was necessary, as the
+ OutputDevice is not an interface. There had to be a mechanism
+ to detect the moment when an OutputDevice is rendered to
+ (e.g. for the BitmapBackBuffer).
+ */
+ class OutDevProvider
+ {
+ public:
+ virtual ~OutDevProvider() {}
+
+ virtual OutputDevice& getOutDev() = 0;
+ virtual const OutputDevice& getOutDev() const = 0;
+ };
+
+ typedef std::shared_ptr< OutDevProvider > OutDevProviderSharedPtr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/repainttarget.hxx b/canvas/source/vcl/repainttarget.hxx
new file mode 100644
index 000000000..b7b4058e9
--- /dev/null
+++ b/canvas/source/vcl/repainttarget.hxx
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include "cachedbitmap.hxx"
+
+class Point;
+class Size;
+class GraphicAttr;
+
+namespace vclcanvas
+{
+ /* Definition of RepaintTarget interface */
+
+ /** Target interface for XCachedPrimitive implementations
+
+ This interface must be implemented on all canvas
+ implementations that hand out XCachedPrimitives
+ */
+ class RepaintTarget
+ {
+ public:
+ virtual ~RepaintTarget() {}
+
+ // call this when a bitmap is repainted
+ virtual bool repaint( const GraphicObjectSharedPtr& rGrf,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const = 0;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/sprite.hxx b/canvas/source/vcl/sprite.hxx
new file mode 100644
index 000000000..30ab15aaf
--- /dev/null
+++ b/canvas/source/vcl/sprite.hxx
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <base/sprite.hxx>
+
+class OutputDevice;
+
+namespace vclcanvas
+{
+ /** Specialization of ::canvas::Sprite interface, to also provide
+ redraw methods.
+ */
+ class Sprite : public ::canvas::Sprite
+ {
+ public:
+
+ /** Redraw sprite at the stored position.
+
+ @param bBufferedUpdate
+ When true, the redraw does <em>not</em> happen directly on
+ the front buffer, but within a VDev. Used to speed up
+ drawing.
+ */
+ virtual void redraw( OutputDevice& rOutDev,
+ bool bBufferedUpdate ) const = 0;
+
+ /** Redraw sprite at the given position.
+
+ @param rPos
+ Output position of the sprite. Overrides the sprite's own
+ output position.
+
+ @param bBufferedUpdate
+ When true, the redraw does <em>not</em> happen directly on
+ the front buffer, but within a VDev. Used to speed up
+ drawing.
+ */
+ virtual void redraw( OutputDevice& rOutDev,
+ const ::basegfx::B2DPoint& rPos,
+ bool bBufferedUpdate ) const = 0;
+
+ protected:
+ ~Sprite() {}
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritecanvas.cxx b/canvas/source/vcl/spritecanvas.cxx
new file mode 100644
index 000000000..60c65fbd7
--- /dev/null
+++ b/canvas/source/vcl/spritecanvas.cxx
@@ -0,0 +1,187 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/awt/XTopWindow.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+
+#include "spritecanvas.hxx"
+#include "outdevholder.hxx"
+#include "windowoutdevholder.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments,
+ const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) :
+ maArguments(aArguments)
+ {
+ }
+
+ void SpriteCanvas::initialize()
+ {
+ SolarMutexGuard aGuard;
+
+ // #i64742# Only call initialize when not in probe mode
+ if( !maArguments.hasElements() )
+ return;
+
+ SAL_INFO("canvas.vcl", "SpriteCanvas created" );
+
+ // add our own property to GraphicDevice
+ maPropHelper.addProperties(
+ ::canvas::PropertySetHelper::MakeMap
+ ("UnsafeScrolling",
+ [this]() { return this->maCanvasHelper.isUnsafeScrolling(); },
+ [this](css::uno::Any const& aAny) mutable { this->maCanvasHelper.enableUnsafeScrolling(aAny); } )
+ ("SpriteBounds",
+ [this]() { return this->maCanvasHelper.isSpriteBounds(); },
+ [this](css::uno::Any const& aAny) mutable { this->maCanvasHelper.enableSpriteBounds(aAny); } ));
+
+ SAL_INFO("canvas.vcl", "VCLSpriteCanvas::initialize called" );
+
+ ENSURE_ARG_OR_THROW( maArguments.hasElements(),
+ "VCLSpriteCanvas::initialize: wrong number of arguments" );
+
+ /* maArguments:
+ 0: ptr to creating instance (Window or VirtualDevice)
+ 1: current bounds of creating instance
+ 2: bool, denoting always on top state for Window (always false for VirtualDevice)
+ 3: XWindow for creating Window (or empty for VirtualDevice)
+ 4: SystemGraphicsData as a streamed Any
+ */
+ ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
+ maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER &&
+ maArguments[3].getValueTypeClass() == uno::TypeClass_INTERFACE,
+ "VCLSpriteCanvas::initialize: wrong number of arguments, or wrong types" );
+
+ sal_Int64 nPtr = 0;
+ maArguments[0] >>= nPtr;
+
+ OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr);
+ if( !pOutDev )
+ throw lang::NoSupportException("Passed OutDev invalid!", nullptr);
+
+ uno::Reference< awt::XWindow > xParentWindow;
+ maArguments[3] >>= xParentWindow;
+
+ OutDevProviderSharedPtr pOutDevProvider;
+ if( xParentWindow.is())
+ pOutDevProvider = std::make_shared<WindowOutDevHolder>(xParentWindow);
+ else
+ pOutDevProvider = std::make_shared<OutDevHolder>(*pOutDev);
+
+ // setup helper
+ maDeviceHelper.init( pOutDevProvider );
+ setWindow( xParentWindow.is()
+ ? uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW)
+ : uno::Reference<awt::XWindow2>());
+ maCanvasHelper.init( maDeviceHelper.getBackBuffer(),
+ *this,
+ maRedrawManager,
+ false, // no OutDev state preservation
+ false ); // no alpha on surface
+
+ maArguments.realloc(0);
+ }
+
+ SpriteCanvas::~SpriteCanvas()
+ {
+ SAL_INFO("canvas.vcl", "SpriteCanvas destroyed" );
+ }
+
+
+ void SpriteCanvas::disposeThis()
+ {
+ SolarMutexGuard aGuard;
+
+ // forward to parent
+ SpriteCanvasBaseT::disposeThis();
+ }
+
+ sal_Bool SAL_CALL SpriteCanvas::showBuffer( sal_Bool bUpdateAll )
+ {
+ return updateScreen( bUpdateAll );
+ }
+
+ sal_Bool SAL_CALL SpriteCanvas::switchBuffer( sal_Bool bUpdateAll )
+ {
+ return updateScreen( bUpdateAll );
+ }
+
+ sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll )
+ {
+ SolarMutexGuard aGuard;
+
+ // avoid repaints on hidden window (hidden: not mapped to
+ // screen). Return failure, since the screen really has _not_
+ // been updated (caller should try again later)
+ return mbIsVisible && maCanvasHelper.updateScreen(bUpdateAll,
+ mbSurfaceDirty);
+ }
+
+ OUString SAL_CALL SpriteCanvas::getServiceName( )
+ {
+ return "com.sun.star.rendering.SpriteCanvas.VCL";
+ }
+
+ // XServiceInfo
+ css::uno::Sequence<OUString> SpriteCanvas::getSupportedServiceNames()
+ {
+ return { SpriteCanvas::getServiceName() };
+ }
+ OUString SpriteCanvas::getImplementationName()
+ {
+ return "com.sun.star.comp.rendering.SpriteCanvas.VCL";
+ }
+ sal_Bool SpriteCanvas::supportsService(const OUString& sServiceName)
+ {
+ return cppu::supportsService(this, sServiceName);
+ }
+
+ bool SpriteCanvas::repaint( const GraphicObjectSharedPtr& rGrf,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const
+ {
+ SolarMutexGuard aGuard;
+
+ return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
+ }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_rendering_SpriteCanvas_VCL_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+ rtl::Reference<vclcanvas::SpriteCanvas> p = new vclcanvas::SpriteCanvas(args, context);
+ cppu::acquire(p.get());
+ p->initialize();
+ return static_cast<cppu::OWeakObject*>(p.get());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritecanvas.hxx b/canvas/source/vcl/spritecanvas.hxx
new file mode 100644
index 000000000..8f7c76880
--- /dev/null
+++ b/canvas/source/vcl/spritecanvas.hxx
@@ -0,0 +1,163 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <rtl/ref.hxx>
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XServiceName.hpp>
+#include <com/sun/star/awt/XWindowListener.hpp>
+#include <com/sun/star/util/XUpdatable.hpp>
+#include <com/sun/star/rendering/XSpriteCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+#include <com/sun/star/rendering/XBufferController.hpp>
+
+#include <cppuhelper/compbase.hxx>
+#include <comphelper/uno3.hxx>
+
+#include <base/spritecanvasbase.hxx>
+#include <base/spritesurface.hxx>
+#include <base/disambiguationhelper.hxx>
+#include <base/bufferedgraphicdevicebase.hxx>
+
+#include "spritecanvashelper.hxx"
+#include "impltools.hxx"
+#include "spritedevicehelper.hxx"
+#include "repainttarget.hxx"
+
+
+namespace vclcanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XSpriteCanvas,
+ css::rendering::XIntegerBitmap,
+ css::rendering::XGraphicDevice,
+ css::lang::XMultiServiceFactory,
+ css::rendering::XBufferController,
+ css::awt::XWindowListener,
+ css::util::XUpdatable,
+ css::beans::XPropertySet,
+ css::lang::XServiceName,
+ css::lang::XServiceInfo > WindowGraphicDeviceBase_Base;
+ typedef ::canvas::BufferedGraphicDeviceBase< ::canvas::DisambiguationHelper< WindowGraphicDeviceBase_Base >,
+ SpriteDeviceHelper,
+ tools::LocalGuard,
+ ::cppu::OWeakObject > SpriteCanvasBase_Base;
+
+ /** Mixin SpriteSurface
+
+ Have to mixin the SpriteSurface before deriving from
+ ::canvas::SpriteCanvasBase, as this template should already
+ implement some of those interface methods.
+
+ The reason why this appears kinda convoluted is the fact that
+ we cannot specify non-IDL types as WeakComponentImplHelper
+ template args, and furthermore, don't want to derive
+ ::canvas::SpriteCanvasBase directly from
+ ::canvas::SpriteSurface (because derivees of
+ ::canvas::SpriteCanvasBase have to explicitly forward the
+ XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS)
+ anyway). Basically, ::canvas::CanvasCustomSpriteBase should
+ remain a base class that provides implementation, not to
+ enforce any specific interface on its derivees.
+ */
+ class SpriteCanvasBaseSpriteSurface_Base : public SpriteCanvasBase_Base,
+ public ::canvas::SpriteSurface
+ {
+ };
+
+ typedef ::canvas::SpriteCanvasBase< SpriteCanvasBaseSpriteSurface_Base,
+ SpriteCanvasHelper,
+ tools::LocalGuard,
+ ::cppu::OWeakObject > SpriteCanvasBaseT;
+
+ /** Product of this component's factory.
+
+ The SpriteCanvas object combines the actual Window canvas with
+ the XGraphicDevice interface. This is because there's a
+ one-to-one relation between them, anyway, since each window
+ can have exactly one canvas and one associated
+ XGraphicDevice. And to avoid messing around with circular
+ references, this is implemented as one single object.
+ */
+ class SpriteCanvas : public SpriteCanvasBaseT,
+ public RepaintTarget
+ {
+ public:
+ SpriteCanvas( const css::uno::Sequence<
+ css::uno::Any >& aArguments,
+ const css::uno::Reference<
+ css::uno::XComponentContext >& rxContext );
+
+ void initialize();
+
+ /// For resource tracking
+ virtual ~SpriteCanvas() override;
+
+ /// Dispose all internal references
+ virtual void disposeThis() override;
+
+ // Forwarding the XComponent implementation to the
+ // cppu::ImplHelper templated base
+ // Classname Base doing refcounting Base implementing the XComponent interface
+ // | | |
+ // V V V
+ DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( SpriteCanvas, WindowGraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase )
+
+ // XBufferController (partial)
+ virtual sal_Bool SAL_CALL showBuffer( sal_Bool bUpdateAll ) override;
+ virtual sal_Bool SAL_CALL switchBuffer( sal_Bool bUpdateAll ) override;
+
+ // XSpriteCanvas (partial)
+ virtual sal_Bool SAL_CALL updateScreen( sal_Bool bUpdateAll ) override;
+
+ // XServiceName
+ virtual OUString SAL_CALL getServiceName( ) override;
+
+ // XServiceInfo
+ virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService(const OUString&) override;
+
+ // RepaintTarget
+ virtual bool repaint( const GraphicObjectSharedPtr& rGrf,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const override;
+
+ /// Get backbuffer for this canvas
+ OutDevProviderSharedPtr const & getFrontBuffer() const { return maDeviceHelper.getOutDev(); }
+ /// Get window for this canvas
+ BackBufferSharedPtr const & getBackBuffer() const { return maDeviceHelper.getBackBuffer(); }
+
+ private:
+ css::uno::Sequence< css::uno::Any > maArguments;
+ };
+
+ typedef ::rtl::Reference< SpriteCanvas > SpriteCanvasRef;
+ typedef ::rtl::Reference< SpriteCanvas > DeviceRef;
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritecanvashelper.cxx b/canvas/source/vcl/spritecanvashelper.cxx
new file mode 100644
index 000000000..2eb622431
--- /dev/null
+++ b/canvas/source/vcl/spritecanvashelper.cxx
@@ -0,0 +1,661 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <boost/cast.hpp>
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/canvastools.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/window.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "canvascustomsprite.hxx"
+#include "spritecanvashelper.hxx"
+#include "spritecanvas.hxx"
+
+using namespace ::com::sun::star;
+
+#define FPS_BOUNDS ::tools::Rectangle(0,0,130,90)
+#define INFO_COLOR COL_RED
+
+namespace vclcanvas
+{
+ namespace
+ {
+ /** Sprite redraw at original position
+
+ Used to repaint the whole canvas (background and all
+ sprites)
+ */
+ void spriteRedraw( OutputDevice& rOutDev,
+ const ::canvas::Sprite::Reference& rSprite )
+ {
+ // downcast to derived vclcanvas::Sprite interface, which
+ // provides the actual redraw methods.
+ ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw(rOutDev,
+ true);
+ }
+
+ double calcNumPixel( const ::canvas::Sprite::Reference& rSprite )
+ {
+ const ::basegfx::B2DSize& rSize(
+ ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->getSizePixel() );
+
+ return rSize.getX() * rSize.getY();
+ }
+
+ void repaintBackground( OutputDevice& rOutDev,
+ OutputDevice const & rBackBuffer,
+ const ::basegfx::B2DRange& rArea )
+ {
+ const ::Point& rPos( vcl::unotools::pointFromB2DPoint( rArea.getMinimum()) );
+ const ::Size& rSize( vcl::unotools::sizeFromB2DSize( rArea.getRange()) );
+
+ rOutDev.DrawOutDev( rPos, rSize, rPos, rSize, rBackBuffer );
+ }
+
+ void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite,
+ OutputDevice& rOutDev,
+ const ::basegfx::B2IRange& rArea )
+ {
+ const ::tools::Rectangle& rRequestedArea(
+ vcl::unotools::rectangleFromB2IRectangle( rArea ) );
+
+ // clip output to actual update region (otherwise a)
+ // wouldn't save much render time, and b) will clutter
+ // scrolled sprite content outside this area)
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+ rOutDev.SetClipRegion(vcl::Region(rRequestedArea));
+
+ // repaint affected sprite directly to output device (at
+ // the actual screen output position)
+ ::boost::polymorphic_downcast< Sprite* >(
+ rSprite.get() )->redraw( rOutDev,
+ false ); // rendering
+ // directly to
+ // frontbuffer
+ }
+
+ void renderInfoText( OutputDevice& rOutDev,
+ const OUString& rStr,
+ const Point& rPos )
+ {
+ vcl::Font aVCLFont;
+ aVCLFont.SetFontHeight( 20 );
+ aVCLFont.SetColor( INFO_COLOR );
+
+ rOutDev.SetTextAlign(ALIGN_TOP);
+ rOutDev.SetTextColor( INFO_COLOR );
+ rOutDev.SetFont( aVCLFont );
+
+ rOutDev.DrawText( rPos, rStr );
+ }
+
+ }
+
+ SpriteCanvasHelper::SpriteCanvasHelper() :
+ mpRedrawManager( nullptr ),
+ mpOwningSpriteCanvas( nullptr ),
+ maVDev(VclPtr<VirtualDevice>::Create()),
+ mbShowFrameInfo( false ),
+ mbShowSpriteBounds( false ),
+ mbIsUnsafeScrolling( false )
+ {
+#if OSL_DEBUG_LEVEL > 0
+ // inverse defaults for verbose debug mode
+ mbShowFrameInfo = true;
+ // this looks like drawing errors, enable only if explicitly asked for
+ static bool enableShowSpriteBounds = getenv("CANVAS_SPRITE_BOUNDS") != nullptr;
+ mbShowSpriteBounds = enableShowSpriteBounds;
+#endif
+ }
+
+ SpriteCanvasHelper::~SpriteCanvasHelper()
+ {
+ SolarMutexGuard aGuard;
+ maVDev.disposeAndClear();
+ }
+
+ void SpriteCanvasHelper::init( const OutDevProviderSharedPtr& rOutDev,
+ SpriteCanvas& rOwningSpriteCanvas,
+ ::canvas::SpriteRedrawManager& rManager,
+ bool bProtect,
+ bool bHaveAlpha )
+ {
+ mpOwningSpriteCanvas = &rOwningSpriteCanvas;
+ mpRedrawManager = &rManager;
+
+ CanvasHelper::init(rOwningSpriteCanvas,rOutDev,bProtect,bHaveAlpha);
+ }
+
+ void SpriteCanvasHelper::disposing()
+ {
+ mpRedrawManager = nullptr;
+ mpOwningSpriteCanvas = nullptr;
+
+ // forward to base
+ CanvasHelper::disposing();
+ }
+
+ uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation(
+ const uno::Reference< rendering::XAnimation >& )
+ {
+ return uno::Reference< rendering::XAnimatedSprite >();
+ }
+
+ uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromBitmaps(
+ const uno::Sequence< uno::Reference< rendering::XBitmap > >& ,
+ sal_Int8 )
+ {
+ return uno::Reference< rendering::XAnimatedSprite >();
+ }
+
+ uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize )
+ {
+ if( !mpRedrawManager || !mpDevice )
+ return uno::Reference< rendering::XCustomSprite >(); // we're disposed
+
+ return uno::Reference< rendering::XCustomSprite >(
+ new CanvasCustomSprite( spriteSize,
+ *mpDevice,
+ mpOwningSpriteCanvas,
+ mpOwningSpriteCanvas->getFrontBuffer(),
+ mbShowSpriteBounds ) );
+ }
+
+ uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite( const uno::Reference< rendering::XSprite >& )
+ {
+ return uno::Reference< rendering::XSprite >();
+ }
+
+ bool SpriteCanvasHelper::updateScreen( bool bUpdateAll,
+ bool& io_bSurfaceDirty )
+ {
+ if( !mpRedrawManager ||
+ !mpOwningSpriteCanvas ||
+ !mpOwningSpriteCanvas->getFrontBuffer() ||
+ !mpOwningSpriteCanvas->getBackBuffer() )
+ {
+ return false; // disposed, or otherwise dysfunctional
+ }
+
+ // commit to backbuffer
+ flush();
+
+ OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() );
+ BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() );
+ OutputDevice& rBackOutDev( pBackBuffer->getOutDev() );
+
+ // actual OutputDevice is a shared resource - restore its
+ // state when done.
+ tools::OutDevStateKeeper aStateKeeper( rOutDev );
+
+ const Size aOutDevSize( rBackOutDev.GetOutputSizePixel() );
+ const Point aEmptyPoint(0,0);
+
+ vcl::Window* pTargetWindow = nullptr;
+ if( rOutDev.GetOutDevType() == OUTDEV_WINDOW )
+ {
+ pTargetWindow = rOutDev.GetOwnerWindow(); // TODO(Q3): Evil downcast.
+
+ // we're double-buffered, thus no need for paint area-limiting
+ // clips. besides that, will interfere with animations (as for
+ // Window-invalidate repaints, only parts of the window will
+ // be redrawn otherwise)
+ const vcl::Region aFullWindowRegion( ::tools::Rectangle(aEmptyPoint,
+ aOutDevSize) );
+ pTargetWindow->ExpandPaintClipRegion(aFullWindowRegion);
+ }
+
+ // TODO(P1): Might be worthwhile to track areas of background
+ // changes, too.
+ if( !bUpdateAll && !io_bSurfaceDirty )
+ {
+ if( mbShowFrameInfo )
+ {
+ // also repaint background below frame counter (fake
+ // that as a sprite vanishing in this area)
+ mpRedrawManager->updateSprite( ::canvas::Sprite::Reference(),
+ ::basegfx::B2DPoint(),
+ ::basegfx::B2DRectangle( 0.0, 0.0,
+ FPS_BOUNDS.Right(),
+ FPS_BOUNDS.Bottom() ) );
+ }
+
+ // background has not changed, so we're free to optimize
+ // repaint to areas where a sprite has changed
+
+ // process each independent area of overlapping sprites
+ // separately.
+ mpRedrawManager->forEachSpriteArea( *this );
+ }
+ else
+ {
+ // background has changed, so we currently have no choice
+ // but repaint everything (or caller requested that)
+
+ maVDev->SetOutputSizePixel( aOutDevSize );
+ maVDev->EnableMapMode( false );
+ maVDev->DrawOutDev( aEmptyPoint, aOutDevSize,
+ aEmptyPoint, aOutDevSize,
+ rBackOutDev );
+
+ // repaint all active sprites on top of background into
+ // VDev.
+ OutputDevice& rTmpOutDev( *maVDev );
+ mpRedrawManager->forEachSprite(
+ [&rTmpOutDev]( const ::canvas::Sprite::Reference& rSprite )
+ { spriteRedraw( rTmpOutDev, rSprite ); }
+ );
+
+ // flush to screen
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+ rOutDev.SetClipRegion();
+ rOutDev.DrawOutDev( aEmptyPoint, aOutDevSize,
+ aEmptyPoint, aOutDevSize,
+ *maVDev );
+ }
+
+ // change record vector must be cleared, for the next turn of
+ // rendering and sprite changing
+ mpRedrawManager->clearChangeRecords();
+
+ io_bSurfaceDirty = false;
+
+ if( mbShowFrameInfo )
+ {
+ renderFrameCounter( rOutDev );
+ renderSpriteCount( rOutDev );
+ renderMemUsage( rOutDev );
+ }
+
+#if OSL_DEBUG_LEVEL > 0
+ static ::canvas::tools::ElapsedTime aElapsedTime;
+
+ // log time immediately after surface flip
+ SAL_INFO("canvas.vcl", "SpriteCanvasHelper::updateScreen(): flip done at " <<
+ aElapsedTime.getElapsedTime() );
+#endif
+
+ // sync output with screen, to ensure that we don't queue up
+ // render requests (calling code might rely on timing,
+ // i.e. assume that things are visible on screen after
+ // updateScreen() returns).
+ if( pTargetWindow )
+ {
+ // commit to screen
+ pTargetWindow->GetOutDev()->Flush();
+ }
+
+ return true;
+ }
+
+ void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect )
+ {
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBackBuffer() &&
+ mpOwningSpriteCanvas->getFrontBuffer(),
+ "SpriteCanvasHelper::backgroundPaint(): NULL device pointer " );
+
+ OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() );
+ BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() );
+ OutputDevice& rBackOutDev( pBackBuffer->getOutDev() );
+
+ repaintBackground( rOutDev, rBackOutDev, rUpdateRect );
+ }
+
+ void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
+ const ::basegfx::B2DRange& rMoveEnd,
+ const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea )
+ {
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBackBuffer() &&
+ mpOwningSpriteCanvas->getFrontBuffer(),
+ "SpriteCanvasHelper::scrollUpdate(): NULL device pointer " );
+
+ OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() );
+ BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() );
+ OutputDevice& rBackOutDev( pBackBuffer->getOutDev() );
+
+ const Size& rTargetSizePixel( rOutDev.GetOutputSizePixel() );
+ const ::basegfx::B2IRange aOutputBounds( 0,0,
+ rTargetSizePixel.Width(),
+ rTargetSizePixel.Height() );
+
+ // round rectangles to integer pixel. Note: have to be
+ // extremely careful here, to avoid off-by-one errors for
+ // the destination area: otherwise, the next scroll update
+ // would copy pixel that are not supposed to be part of
+ // the sprite.
+ ::basegfx::B2IRange aSourceRect(
+ ::canvas::tools::spritePixelAreaFromB2DRange( rMoveStart ) );
+ const ::basegfx::B2IRange& rDestRect(
+ ::canvas::tools::spritePixelAreaFromB2DRange( rMoveEnd ) );
+ ::basegfx::B2IPoint aDestPos( rDestRect.getMinimum() );
+
+ std::vector< ::basegfx::B2IRange > aUnscrollableAreas;
+
+ // Since strictly speaking, this scroll algorithm is plain
+ // buggy, the scrolled area might actually lie _below_ another
+ // window - we've made this feature configurable via
+ // mbIsUnsafeScrolling.
+
+ // clip to output bounds (cannot properly scroll stuff
+ // _outside_ our screen area)
+ if( !mbIsUnsafeScrolling ||
+ !::canvas::tools::clipScrollArea( aSourceRect,
+ aDestPos,
+ aUnscrollableAreas,
+ aOutputBounds ) )
+ {
+ // fully clipped scroll area: cannot simply scroll
+ // then. Perform normal opaque update (can use that, since
+ // one of the preconditions for scrollable update is
+ // opaque sprite content)
+
+ // repaint all affected sprites directly to output device
+ for( const auto& rComponent : rUpdateArea.maComponentList )
+ {
+ const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() );
+
+ if( rSprite.is() )
+ ::boost::polymorphic_downcast< Sprite* >(
+ rSprite.get() )->redraw( rOutDev,
+ false );
+ }
+ }
+ else
+ {
+ // scroll rOutDev content
+ rOutDev.CopyArea( vcl::unotools::pointFromB2IPoint( aDestPos ),
+ vcl::unotools::pointFromB2IPoint( aSourceRect.getMinimum() ),
+ // TODO(Q2): use numeric_cast to check range
+ ::Size( static_cast<sal_Int32>(aSourceRect.getRange().getX()),
+ static_cast<sal_Int32>(aSourceRect.getRange().getY()) ) );
+
+ const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
+ aFirst( rUpdateArea.maComponentList.begin() );
+
+ ENSURE_OR_THROW( aFirst->second.getSprite().is(),
+ "VCLCanvas::scrollUpdate(): no sprite" );
+
+ // repaint uncovered areas from sprite. Need to actually
+ // clip here, since we're only repainting _parts_ of the
+ // sprite
+ rOutDev.Push( vcl::PushFlags::CLIPREGION );
+
+ for( const auto& rArea : aUnscrollableAreas )
+ opaqueUpdateSpriteArea( aFirst->second.getSprite(),
+ rOutDev, rArea );
+
+ rOutDev.Pop();
+ }
+
+ // repaint uncovered areas from backbuffer - take the
+ // _rounded_ rectangles from above, to have the update
+ // consistent with the scroll above.
+ std::vector< ::basegfx::B2DRange > aUncoveredAreas;
+ ::basegfx::computeSetDifference( aUncoveredAreas,
+ rUpdateArea.maTotalBounds,
+ ::basegfx::B2DRange( rDestRect ) );
+
+ for( const auto& rArea : aUncoveredAreas )
+ repaintBackground( rOutDev, rBackOutDev, rArea );
+ }
+
+ void SpriteCanvasHelper::opaqueUpdate( SAL_UNUSED_PARAMETER const ::basegfx::B2DRange&,
+ const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
+ {
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBackBuffer() &&
+ mpOwningSpriteCanvas->getFrontBuffer(),
+ "SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " );
+
+ OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() );
+
+ // no need to clip output to actual update region - there will
+ // always be ALL sprites contained in the rectangular update
+ // area contained in rTotalArea (that's the way
+ // B2DConnectedRanges work). If rTotalArea appears to be
+ // smaller than the sprite - then this sprite carries a clip,
+ // and the update will be constrained to that rect.
+
+ // repaint all affected sprites directly to output device
+ for( const auto& rSprite : rSortedUpdateSprites )
+ {
+ if( rSprite.is() )
+ ::boost::polymorphic_downcast< Sprite* >(
+ rSprite.get() )->redraw( rOutDev,
+ false );
+ }
+ }
+
+ void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea,
+ const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
+ {
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBackBuffer() &&
+ mpOwningSpriteCanvas->getFrontBuffer(),
+ "SpriteCanvasHelper::genericUpdate(): NULL device pointer " );
+
+ OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() );
+ BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() );
+ OutputDevice& rBackOutDev( pBackBuffer->getOutDev() );
+
+ // limit size of update VDev to target outdev's size
+ const Size& rTargetSizePixel( rOutDev.GetOutputSizePixel() );
+
+ // round output position towards zero. Don't want to truncate
+ // a fraction of a sprite pixel... Clip position at origin,
+ // otherwise, truncation of size below might leave visible
+ // areas uncovered by VDev.
+ const ::Point aOutputPosition(
+ std::max( sal_Int32( 0 ),
+ static_cast< sal_Int32 >(rRequestedArea.getMinX()) ),
+ std::max( sal_Int32( 0 ),
+ static_cast< sal_Int32 >(rRequestedArea.getMinY()) ) );
+ // round output size towards +infty. Don't want to truncate a
+ // fraction of a sprite pixel... Limit coverage of VDev to
+ // output device's area (i.e. not only to total size, but to
+ // cover _only_ the visible parts).
+ const ::Size aOutputSize(
+ std::max( sal_Int32( 0 ),
+ std::min( static_cast< sal_Int32 >(rTargetSizePixel.Width() - aOutputPosition.X()),
+ ::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X() ))),
+ std::max( sal_Int32( 0 ),
+ std::min( static_cast< sal_Int32 >(rTargetSizePixel.Height() - aOutputPosition.Y()),
+ ::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y() ))));
+
+ // early exit for empty output area.
+ if( aOutputSize.Width() == 0 &&
+ aOutputSize.Height() == 0 )
+ {
+ return;
+ }
+
+ const Point aEmptyPoint(0,0);
+ const Size aCurrOutputSize( maVDev->GetOutputSizePixel() );
+
+ // adapt maVDev's size to the area that actually needs the
+ // repaint.
+ if( aCurrOutputSize.Width() < aOutputSize.Width() ||
+ aCurrOutputSize.Height() < aOutputSize.Height() )
+ {
+ // TODO(P1): Come up with a clever tactic to reduce maVDev
+ // from time to time. Reduction with threshold (say, if
+ // maVDev is more than twice too large) is not wise, as
+ // this might then toggle within the same updateScreen(),
+ // but for different disjunct sprite areas.
+ maVDev->SetOutputSizePixel( aOutputSize );
+ }
+
+ // paint background
+ maVDev->EnableMapMode( false );
+ maVDev->SetAntialiasing( AntialiasingFlags::Enable );
+ maVDev->SetClipRegion();
+ maVDev->DrawOutDev( aEmptyPoint, aOutputSize,
+ aOutputPosition, aOutputSize,
+ rBackOutDev );
+
+ // repaint all affected sprites on top of background into
+ // VDev.
+ for( const auto& rSprite : rSortedUpdateSprites )
+ {
+ if( rSprite.is() )
+ {
+ Sprite* pSprite = ::boost::polymorphic_downcast< Sprite* >( rSprite.get() );
+
+ // calc relative sprite position in rUpdateArea (which
+ // need not be the whole screen!)
+ const ::basegfx::B2DPoint& rSpriteScreenPos( pSprite->getPosPixel() );
+ const ::basegfx::B2DPoint& rSpriteRenderPos(
+ rSpriteScreenPos - vcl::unotools::b2DPointFromPoint(aOutputPosition)
+ );
+
+ pSprite->redraw( *maVDev, rSpriteRenderPos, true );
+ }
+ }
+
+ // flush to screen
+ rOutDev.EnableMapMode( false );
+ rOutDev.SetAntialiasing( AntialiasingFlags::Enable );
+ rOutDev.DrawOutDev( aOutputPosition, aOutputSize,
+ aEmptyPoint, aOutputSize,
+ *maVDev );
+ }
+
+ void SpriteCanvasHelper::renderFrameCounter( OutputDevice& rOutDev )
+ {
+ const double denominator( maLastUpdate.getElapsedTime() );
+ maLastUpdate.reset();
+
+ OUString text( ::rtl::math::doubleToUString( denominator == 0.0 ? 100.0 : 1.0/denominator,
+ rtl_math_StringFormat_F,
+ 2,'.',nullptr,' ') );
+
+ // pad with leading space
+ while( text.getLength() < 6 )
+ text = " " + text;
+
+ text += " fps";
+
+ renderInfoText( rOutDev,
+ text,
+ Point(0, 0) );
+ }
+
+ namespace
+ {
+ template< typename T > struct Adder
+ {
+ typedef void result_type;
+
+ Adder( T& rAdderTarget,
+ T nIncrement ) :
+ mpTarget( &rAdderTarget ),
+ mnIncrement( nIncrement )
+ {
+ }
+
+ void operator()( const ::canvas::Sprite::Reference& ) { *mpTarget += mnIncrement; }
+ void operator()( T nIncrement ) { *mpTarget += nIncrement; }
+
+ T* mpTarget;
+ T mnIncrement;
+ };
+
+ template< typename T> Adder<T> makeAdder( T& rAdderTarget,
+ T nIncrement )
+ {
+ return Adder<T>(rAdderTarget, nIncrement);
+ }
+ }
+
+ void SpriteCanvasHelper::renderSpriteCount( OutputDevice& rOutDev )
+ {
+ if( !mpRedrawManager )
+ return;
+
+ sal_Int32 nCount(0);
+
+ mpRedrawManager->forEachSprite( makeAdder(nCount,sal_Int32(1)) );
+ OUString text( OUString::number(nCount) );
+
+ // pad with leading space
+ while( text.getLength() < 3 )
+ text = " " + text;
+
+ text = "Sprites: " + text;
+
+ renderInfoText( rOutDev,
+ text,
+ Point(0, 30) );
+ }
+
+ void SpriteCanvasHelper::renderMemUsage( OutputDevice& rOutDev )
+ {
+ BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() );
+
+ if( !(mpRedrawManager &&
+ pBackBuffer) )
+ return;
+
+ double nPixel(0.0);
+
+ // accumulate pixel count for each sprite into fCount
+ mpRedrawManager->forEachSprite(
+ [&nPixel]( const ::canvas::Sprite::Reference& rSprite )
+ { makeAdder( nPixel, 1.0 )( calcNumPixel(rSprite) ); }
+ );
+
+ static const int NUM_VIRDEV(2);
+ static const int BYTES_PER_PIXEL(3);
+
+ const Size& rVDevSize( maVDev->GetOutputSizePixel() );
+ const Size& rBackBufferSize( pBackBuffer->getOutDev().GetOutputSizePixel() );
+
+ const double nMemUsage( nPixel * NUM_VIRDEV * BYTES_PER_PIXEL +
+ rVDevSize.Width()*rVDevSize.Height() * BYTES_PER_PIXEL +
+ rBackBufferSize.Width()*rBackBufferSize.Height() * BYTES_PER_PIXEL );
+
+ OUString text( ::rtl::math::doubleToUString( nMemUsage / 1048576.0,
+ rtl_math_StringFormat_F,
+ 2,'.',nullptr,' ') );
+
+ // pad with leading space
+ while( text.getLength() < 4 )
+ text = " " + text;
+
+ text = "Mem: " + text + "MB";
+
+ renderInfoText( rOutDev,
+ text,
+ Point(0, 60) );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritecanvashelper.hxx b/canvas/source/vcl/spritecanvashelper.hxx
new file mode 100644
index 000000000..af3f5526a
--- /dev/null
+++ b/canvas/source/vcl/spritecanvashelper.hxx
@@ -0,0 +1,169 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/rendering/XAnimatedSprite.hpp>
+#include <com/sun/star/rendering/XAnimation.hpp>
+#include <com/sun/star/rendering/XCustomSprite.hpp>
+
+#include <vcl/vclptr.hxx>
+#include <vcl/virdev.hxx>
+
+#include <spriteredrawmanager.hxx>
+#include <canvas/elapsedtime.hxx>
+#include "canvashelper.hxx"
+
+
+namespace vclcanvas
+{
+ class SpriteCanvas;
+
+ class SpriteCanvasHelper : public CanvasHelper
+ {
+ public:
+ SpriteCanvasHelper();
+ ~SpriteCanvasHelper();
+
+ void init( const OutDevProviderSharedPtr& rOutDev,
+ SpriteCanvas& rOwningSpriteCanvas,
+ ::canvas::SpriteRedrawManager& rManager,
+ bool bProtect,
+ bool bHaveAlpha );
+
+ /// Dispose all internal references
+ void disposing();
+
+ // XSpriteCanvas
+ css::uno::Reference<
+ css::rendering::XAnimatedSprite > createSpriteFromAnimation(
+ const css::uno::Reference< css::rendering::XAnimation >& animation );
+
+ css::uno::Reference<
+ css::rendering::XAnimatedSprite > createSpriteFromBitmaps(
+ const css::uno::Sequence<
+ css::uno::Reference<
+ css::rendering::XBitmap > >& animationBitmaps,
+ sal_Int8 interpolationMode );
+
+ css::uno::Reference<
+ css::rendering::XCustomSprite > createCustomSprite(
+ const css::geometry::RealSize2D& spriteSize );
+
+ css::uno::Reference<
+ css::rendering::XSprite > createClonedSprite(
+ const css::uno::Reference< css::rendering::XSprite >& original );
+
+ /** Actually perform the screen update
+
+ @param bUpdateAll
+ sal_True, if everything must be updated, not only changed
+ sprites
+
+ @param io_bSurfaceDirty
+ In/out parameter, whether backbuffer surface is dirty (if
+ yes, we're performing a full update, anyway)
+ */
+ bool updateScreen( bool bUpdateAll,
+ bool& io_bSurfaceDirty );
+
+ // SpriteRedrawManager functor calls
+
+
+ /** Gets called for simple background repaints
+ */
+ void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
+
+ /** Gets called when area can be handled by scrolling.
+
+ Called method must copy screen content from rMoveStart to
+ rMoveEnd, and restore the background in the uncovered
+ areas.
+
+ @param rMoveStart
+ Source rect of the scroll
+
+ @param rMoveEnd
+ Dest rect of the scroll
+
+ @param rUpdateArea
+ All info necessary, should rMoveStart be partially or
+ fully outside the outdev
+ */
+ void scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
+ const ::basegfx::B2DRange& rMoveEnd,
+ const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea );
+
+ void opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
+ const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
+
+ void genericUpdate( const ::basegfx::B2DRange& rTotalArea,
+ const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
+
+ css::uno::Any isUnsafeScrolling() const
+ {
+ return css::uno::Any(mbIsUnsafeScrolling);
+ }
+ void enableUnsafeScrolling( const css::uno::Any& rAny )
+ {
+ mbIsUnsafeScrolling = rAny.get<bool>();
+ }
+
+ css::uno::Any isSpriteBounds() const
+ {
+ return css::uno::Any(mbShowSpriteBounds);
+ }
+ void enableSpriteBounds( const css::uno::Any& rAny )
+ {
+ mbShowSpriteBounds = rAny.get<bool>();
+ }
+
+ private:
+ void renderFrameCounter( OutputDevice& rOutDev );
+ void renderSpriteCount( OutputDevice& rOutDev );
+ void renderMemUsage( OutputDevice& rOutDev );
+
+ /// Set from the SpriteCanvas: instance coordinating sprite redraw
+ ::canvas::SpriteRedrawManager* mpRedrawManager;
+
+ /// Set from the init method. used to generate sprites
+ SpriteCanvas* mpOwningSpriteCanvas;
+
+ /** Background compositing surface.
+
+ Typically, sprites will be composited in the background,
+ before pushing them to screen. This happens here.
+ */
+ VclPtr< VirtualDevice > maVDev;
+
+ /// For the frame counter timings
+ ::canvas::tools::ElapsedTime maLastUpdate;
+
+ /// When true, canvas displays debug info on each frame
+ bool mbShowFrameInfo;
+
+ /// When true, canvas creates all new sprites with red lines in the corners
+ bool mbShowSpriteBounds;
+
+ /// When true, canvas uses the scroll optimization (direct scrolls in front buffer)
+ bool mbIsUnsafeScrolling;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritedevicehelper.cxx b/canvas/source/vcl/spritedevicehelper.cxx
new file mode 100644
index 000000000..99f8b1914
--- /dev/null
+++ b/canvas/source/vcl/spritedevicehelper.cxx
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <osl/diagnose.h>
+#include <vcl/bitmapex.hxx>
+#include <vcl/dibtools.hxx>
+#include <tools/stream.hxx>
+
+#include "spritedevicehelper.hxx"
+#include "impltools.hxx"
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ SpriteDeviceHelper::SpriteDeviceHelper()
+ {
+ }
+
+ void SpriteDeviceHelper::init( const OutDevProviderSharedPtr& pOutDev )
+ {
+ DeviceHelper::init(pOutDev);
+
+ // setup back buffer
+ OutputDevice& rOutDev( pOutDev->getOutDev() );
+ mpBackBuffer = std::make_shared<BackBuffer>( rOutDev );
+ mpBackBuffer->setSize( rOutDev.GetOutputSizePixel() );
+
+ tools::SetDefaultDeviceAntiAliasing( &mpBackBuffer->getOutDev());
+ }
+
+ bool SpriteDeviceHelper::showBuffer( bool, bool )
+ {
+ OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
+ return false;
+ }
+
+ bool SpriteDeviceHelper::switchBuffer( bool, bool )
+ {
+ OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
+ return false;
+ }
+
+ void SpriteDeviceHelper::disposing()
+ {
+ // release all references
+ mpBackBuffer.reset();
+
+ DeviceHelper::disposing();
+ }
+
+ uno::Any SpriteDeviceHelper::isAccelerated() const
+ {
+ return DeviceHelper::isAccelerated();
+ }
+
+ uno::Any SpriteDeviceHelper::getDeviceHandle() const
+ {
+ return DeviceHelper::getDeviceHandle();
+ }
+
+ uno::Any SpriteDeviceHelper::getSurfaceHandle() const
+ {
+ if( !mpBackBuffer )
+ return uno::Any();
+
+ return uno::Any(
+ reinterpret_cast< sal_Int64 >(&mpBackBuffer->getOutDev()) );
+ }
+
+ void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
+ {
+ if( mpBackBuffer )
+ mpBackBuffer->setSize( ::Size(rBounds.Width,
+ rBounds.Height) );
+ }
+
+ void SpriteDeviceHelper::dumpScreenContent() const
+ {
+ DeviceHelper::dumpScreenContent();
+
+ static sal_Int32 nFilePostfixCount(0);
+
+ if( mpBackBuffer )
+ {
+ OUString aFilename = "dbg_backbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
+
+ SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );
+
+ const ::Point aEmptyPoint;
+ mpBackBuffer->getOutDev().EnableMapMode( false );
+ mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::Enable );
+ WriteDIB(mpBackBuffer->getOutDev().GetBitmapEx(aEmptyPoint, mpBackBuffer->getOutDev().GetOutputSizePixel()), aStream, false);
+ }
+
+ ++nFilePostfixCount;
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritedevicehelper.hxx b/canvas/source/vcl/spritedevicehelper.hxx
new file mode 100644
index 000000000..5f4ef570a
--- /dev/null
+++ b/canvas/source/vcl/spritedevicehelper.hxx
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/awt/Rectangle.hpp>
+
+#include "backbuffer.hxx"
+#include "devicehelper.hxx"
+
+
+/* Definition of DeviceHelper class */
+
+namespace vclcanvas
+{
+ class SpriteDeviceHelper : public DeviceHelper
+ {
+ public:
+ SpriteDeviceHelper();
+
+ void init( const OutDevProviderSharedPtr& rOutDev );
+
+ /// Dispose all internal references
+ void disposing();
+
+ bool showBuffer( bool bWindowVisible, bool bUpdateAll );
+ bool switchBuffer( bool bWindowVisible, bool bUpdateAll );
+
+ css::uno::Any isAccelerated() const;
+ css::uno::Any getDeviceHandle() const;
+ css::uno::Any getSurfaceHandle() const;
+
+ void dumpScreenContent() const;
+ const BackBufferSharedPtr& getBackBuffer() const { return mpBackBuffer; }
+
+ void notifySizeUpdate( const css::awt::Rectangle& rBounds );
+
+ private:
+ /// This buffer holds the background content for all associated canvases
+ BackBufferSharedPtr mpBackBuffer;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritehelper.cxx b/canvas/source/vcl/spritehelper.cxx
new file mode 100644
index 000000000..8e8d88ac3
--- /dev/null
+++ b/canvas/source/vcl/spritehelper.cxx
@@ -0,0 +1,231 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/alpha.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/outdev.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "spritehelper.hxx"
+
+using namespace ::com::sun::star;
+
+
+namespace vclcanvas
+{
+ SpriteHelper::SpriteHelper() :
+ mbShowSpriteBounds(false)
+ {
+ }
+
+ void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
+ const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
+ const BackBufferSharedPtr& rBackBuffer,
+ const BackBufferSharedPtr& rBackBufferMask,
+ bool bShowSpriteBounds )
+ {
+ ENSURE_OR_THROW( rOwningSpriteCanvas && rBackBuffer && rBackBufferMask,
+ "SpriteHelper::init(): Invalid sprite canvas or back buffer" );
+
+ mpBackBuffer = rBackBuffer;
+ mpBackBufferMask = rBackBufferMask;
+ mbShowSpriteBounds = bShowSpriteBounds;
+
+ init( rSpriteSize, rOwningSpriteCanvas );
+ }
+
+ void SpriteHelper::disposing()
+ {
+ mpBackBuffer.reset();
+ mpBackBufferMask.reset();
+
+ // forward to parent
+ CanvasCustomSpriteHelper::disposing();
+ }
+
+ void SpriteHelper::redraw( OutputDevice& rTargetSurface,
+ const ::basegfx::B2DPoint& rPos,
+ bool& io_bSurfacesDirty,
+ bool /*bBufferedUpdate*/ ) const
+ {
+ if( !mpBackBuffer ||
+ !mpBackBufferMask )
+ {
+ return; // we're disposed
+ }
+
+ // log output pos in device pixel
+ SAL_INFO("canvas.vcl", "SpriteHelper::redraw(): output pos is (" <<
+ rPos.getX() << "," << rPos.getY() << ")");
+
+ const double fAlpha( getAlpha() );
+
+ if( !isActive() || ::basegfx::fTools::equalZero( fAlpha ) )
+ return;
+
+ const ::basegfx::B2DVector& rOrigOutputSize( getSizePixel() );
+
+ // might get changed below (e.g. adapted for
+ // transformations). IMPORTANT: both position and size are
+ // rounded to integer values. From now on, only those
+ // rounded values are used, to keep clip and content in
+ // sync.
+ ::Size aOutputSize( vcl::unotools::sizeFromB2DSize( rOrigOutputSize ) );
+ ::Point aOutPos( vcl::unotools::pointFromB2DPoint( rPos ) );
+
+
+ // TODO(F3): Support for alpha-VDev
+
+ // Do we have to update our bitmaps (necessary if virdev
+ // was painted to, or transformation changed)?
+ const bool bNeedBitmapUpdate( io_bSurfacesDirty ||
+ hasTransformChanged() ||
+ maContent->IsEmpty() );
+
+ // updating content of sprite cache - surface is no
+ // longer dirty in relation to our cache
+ io_bSurfacesDirty = false;
+ transformUpdated();
+
+ if( bNeedBitmapUpdate )
+ {
+ const Point aEmptyPoint;
+ BitmapEx aBmp( mpBackBuffer->getOutDev().GetBitmapEx( aEmptyPoint,
+ aOutputSize ) );
+
+ if( isContentFullyOpaque() )
+ {
+ // optimized case: content canvas is fully
+ // opaque. Note: since we retrieved aBmp directly
+ // from an OutDev, it's already a 'display bitmap'
+ // on windows.
+ maContent = aBmp;
+ }
+ else
+ {
+ // sprite content might contain alpha, create
+ // BmpEx, then.
+ BitmapEx aMask( mpBackBufferMask->getOutDev().GetBitmapEx( aEmptyPoint,
+ aOutputSize ) );
+
+ // Note: since we retrieved aBmp and aMask
+ // directly from an OutDev, it's already a
+ // 'display bitmap' on windows.
+ maContent = BitmapEx( aBmp.GetBitmap(), AlphaMask( aMask.GetBitmap()) );
+ }
+ }
+
+ ::basegfx::B2DHomMatrix aTransform( getTransformation() );
+
+ rTargetSurface.Push( vcl::PushFlags::CLIPREGION );
+
+ // apply clip (if any)
+ if( getClip().is() )
+ {
+ ::basegfx::B2DPolyPolygon aClipPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
+ getClip() ));
+
+ if( aClipPoly.count() )
+ {
+ // Move the clip to the final sprite output position.
+ ::basegfx::B2DHomMatrix aClipTransform( aTransform );
+ aClipTransform.translate( aOutPos.X(), aOutPos.Y() );
+ aClipPoly.transform( aClipTransform );
+
+ if( mbShowSpriteBounds )
+ {
+ // Paint green sprite clip area
+ rTargetSurface.SetLineColor( Color( 0,255,0 ) );
+ rTargetSurface.SetFillColor();
+
+ rTargetSurface.DrawPolyPolygon(::tools::PolyPolygon(aClipPoly)); // #i76339#
+ }
+
+ vcl::Region aClipRegion( aClipPoly );
+ rTargetSurface.SetClipRegion( aClipRegion );
+ }
+ }
+
+ ::basegfx::B2DHomMatrix aSizeTransform, aMoveTransform;
+ aSizeTransform.scale( aOutputSize.Width(), aOutputSize.Height() );
+ aMoveTransform.translate( aOutPos.X(), aOutPos.Y() );
+ aTransform = aMoveTransform * aTransform * aSizeTransform;
+
+ rTargetSurface.DrawTransformedBitmapEx( aTransform, *maContent, fAlpha );
+
+ rTargetSurface.Pop();
+
+ if( !mbShowSpriteBounds )
+ return;
+
+ ::tools::PolyPolygon aMarkerPoly(
+ ::canvas::tools::getBoundMarksPolyPolygon(
+ ::basegfx::B2DRectangle(aOutPos.X(),
+ aOutPos.Y(),
+ aOutPos.X() + aOutputSize.Width()-1,
+ aOutPos.Y() + aOutputSize.Height()-1) ) );
+
+ // Paint little red sprite area markers
+ rTargetSurface.SetLineColor( COL_RED );
+ rTargetSurface.SetFillColor();
+
+ for( int i=0; i<aMarkerPoly.Count(); ++i )
+ {
+ rTargetSurface.DrawPolyLine( aMarkerPoly.GetObject(static_cast<sal_uInt16>(i)) );
+ }
+
+ // paint sprite prio
+ vcl::Font aVCLFont;
+ aVCLFont.SetFontHeight( std::min(::tools::Long(20),aOutputSize.Height()) );
+ aVCLFont.SetColor( COL_RED );
+
+ rTargetSurface.SetTextAlign(ALIGN_TOP);
+ rTargetSurface.SetTextColor( COL_RED );
+ rTargetSurface.SetFont( aVCLFont );
+
+ OUString text( ::rtl::math::doubleToUString( getPriority(),
+ rtl_math_StringFormat_F,
+ 2,'.',nullptr,' ') );
+
+ rTargetSurface.DrawText( aOutPos+Point(2,2), text );
+ SAL_INFO( "canvas.vcl",
+ "sprite " << this << " has prio " << getPriority());
+ }
+
+ ::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
+ {
+ return ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D( xPoly );
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/spritehelper.hxx b/canvas/source/vcl/spritehelper.hxx
new file mode 100644
index 000000000..41d9883f6
--- /dev/null
+++ b/canvas/source/vcl/spritehelper.hxx
@@ -0,0 +1,108 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <vcl/bitmapex.hxx>
+
+#include <base/canvascustomspritehelper.hxx>
+#include <base/spritesurface.hxx>
+#include <vclwrapper.hxx>
+
+#include "backbuffer.hxx"
+
+
+namespace vclcanvas
+{
+ /* Definition of SpriteHelper class */
+
+ /** Helper class for canvas sprites.
+
+ This class implements all sprite-related functionality, like
+ that available on the XSprite interface.
+ */
+ class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
+ {
+ public:
+ SpriteHelper();
+
+ // make CanvasCustomSpriteHelper::init visible for name lookup
+ using ::canvas::CanvasCustomSpriteHelper::init;
+
+ /** Late-init the sprite helper
+
+ @param rSpriteSize
+ Size of the sprite
+
+ @param rSpriteCanvas
+ Sprite canvas this sprite is part of. Object stores
+ ref-counted reference to it, thus, don't forget to pass on
+ disposing()!
+
+ @param rBackBuffer
+ Buffer of the sprite content (non-alpha part)
+
+ @param rBackBufferMask
+ Buffer of the sprite content (alpha part)
+ */
+ void init( const css::geometry::RealSize2D& rSpriteSize,
+ const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
+ const BackBufferSharedPtr& rBackBuffer,
+ const BackBufferSharedPtr& rBackBufferMask,
+ bool bShowSpriteBounds );
+
+ void disposing();
+
+ /** Repaint sprite content to associated sprite canvas
+
+ @param rPos
+ Output position (sprite's own position is disregarded)
+
+ @param io_bSurfacesDirty
+ When true, the referenced sprite surfaces (backBuffer and
+ backBufferMask) have been modified since last call.
+
+ @param bBufferedUpdate
+ When true, the redraw does <em>not</em> happen directly on
+ the front buffer, but within a VDev. Used to speed up
+ drawing.
+ */
+ void redraw( OutputDevice& rOutDev,
+ const ::basegfx::B2DPoint& rPos,
+ bool& bSurfacesDirty,
+ bool bBufferedUpdate ) const;
+
+ private:
+ virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
+ css::uno::Reference< css::rendering::XPolyPolygon2D >& xPoly ) const override;
+
+ // for the redraw
+ BackBufferSharedPtr mpBackBuffer;
+ BackBufferSharedPtr mpBackBufferMask;
+
+ /// Cached bitmap for the current sprite content
+ mutable ::canvas::vcltools::VCLObject<BitmapEx> maContent;
+
+ /// When true, line sprite corners in red
+ bool mbShowSpriteBounds;
+
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/textlayout.cxx b/canvas/source/vcl/textlayout.cxx
new file mode 100644
index 000000000..63a3453ff
--- /dev/null
+++ b/canvas/source/vcl/textlayout.cxx
@@ -0,0 +1,428 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <sal/config.h>
+
+#include <tools/diagnose_ex.h>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/TextDirection.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+#include <comphelper/sequence.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <utility>
+#include <vcl/metric.hxx>
+#include <vcl/virdev.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "textlayout.hxx"
+
+#include <memory>
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ namespace
+ {
+ void setupLayoutMode( OutputDevice& rOutDev,
+ sal_Int8 nTextDirection )
+ {
+ // TODO(P3): avoid if already correctly set
+ vcl::text::ComplexTextLayoutFlags nLayoutMode = vcl::text::ComplexTextLayoutFlags::Default;
+ switch( nTextDirection )
+ {
+ case rendering::TextDirection::WEAK_LEFT_TO_RIGHT:
+ break;
+ case rendering::TextDirection::STRONG_LEFT_TO_RIGHT:
+ nLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiStrong;
+ break;
+ case rendering::TextDirection::WEAK_RIGHT_TO_LEFT:
+ nLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiRtl;
+ break;
+ case rendering::TextDirection::STRONG_RIGHT_TO_LEFT:
+ nLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::BiDiStrong;
+ break;
+ default:
+ break;
+ }
+
+ // set calculated layout mode. Origin is always the left edge,
+ // as required at the API spec
+ rOutDev.SetLayoutMode( nLayoutMode | vcl::text::ComplexTextLayoutFlags::TextOriginLeft );
+ }
+ }
+
+ TextLayout::TextLayout( rendering::StringContext aText,
+ sal_Int8 nDirection,
+ CanvasFont::Reference rFont,
+ uno::Reference<rendering::XGraphicDevice> xDevice,
+ OutDevProviderSharedPtr xOutDev ) :
+ TextLayout_Base( m_aMutex ),
+ maText(std::move( aText )),
+ mpFont(std::move( rFont )),
+ mxDevice(std::move( xDevice )),
+ mpOutDevProvider(std::move( xOutDev )),
+ mnTextDirection( nDirection )
+ {}
+
+ void SAL_CALL TextLayout::disposing()
+ {
+ SolarMutexGuard aGuard;
+
+ mpOutDevProvider.reset();
+ mxDevice.clear();
+ mpFont.clear();
+ }
+
+ // XTextLayout
+ uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes( )
+ {
+ SolarMutexGuard aGuard;
+
+ OutputDevice& rOutDev = mpOutDevProvider->getOutDev();
+ ScopedVclPtrInstance< VirtualDevice > pVDev( rOutDev );
+ pVDev->SetFont( mpFont->getVCLFont() );
+
+ setupLayoutMode( *pVDev, mnTextDirection );
+
+ const rendering::ViewState aViewState(
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ nullptr);
+
+ rendering::RenderState aRenderState (
+ geometry::AffineMatrix2D(1,0,0,0,1,0),
+ nullptr,
+ uno::Sequence<double>(4),
+ rendering::CompositeOperation::SOURCE);
+
+ std::vector<sal_Int32> aOffsets(maLogicalAdvancements.getLength());
+ setupTextOffsets(aOffsets.data(), maLogicalAdvancements, aViewState, aRenderState);
+
+ std::vector< uno::Reference< rendering::XPolyPolygon2D> > aOutlineSequence;
+ ::basegfx::B2DPolyPolygonVector aOutlines;
+ if (pVDev->GetTextOutlines(
+ aOutlines,
+ maText.Text,
+ maText.StartPosition,
+ maText.StartPosition,
+ maText.Length,
+ 0,
+ aOffsets))
+ {
+ aOutlineSequence.reserve(aOutlines.size());
+ sal_Int32 nIndex (0);
+ for (auto const& outline : aOutlines)
+ {
+ aOutlineSequence[nIndex++] = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
+ mxDevice,
+ outline);
+ }
+ }
+
+ return comphelper::containerToSequence(aOutlineSequence);
+ }
+
+ uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures( )
+ {
+ SolarMutexGuard aGuard;
+
+
+ OutputDevice& rOutDev = mpOutDevProvider->getOutDev();
+ ScopedVclPtrInstance< VirtualDevice > pVDev( rOutDev );
+ pVDev->SetFont( mpFont->getVCLFont() );
+
+ setupLayoutMode( *pVDev, mnTextDirection );
+
+ const rendering::ViewState aViewState(
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ nullptr);
+
+ rendering::RenderState aRenderState (
+ geometry::AffineMatrix2D(1,0,0,0,1,0),
+ nullptr,
+ uno::Sequence<double>(4),
+ rendering::CompositeOperation::SOURCE);
+
+ std::unique_ptr< sal_Int32 []> aOffsets(new sal_Int32[maLogicalAdvancements.getLength()]);
+ setupTextOffsets(aOffsets.get(), maLogicalAdvancements, aViewState, aRenderState);
+
+ std::vector< ::tools::Rectangle > aMetricVector;
+ uno::Sequence<geometry::RealRectangle2D> aBoundingBoxes;
+ if (pVDev->GetGlyphBoundRects(
+ Point(0,0),
+ maText.Text,
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.StartPosition),
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.Length),
+ aMetricVector))
+ {
+ aBoundingBoxes.realloc(aMetricVector.size());
+ auto pBoundingBoxes = aBoundingBoxes.getArray();
+ sal_Int32 nIndex (0);
+ for (auto const& metric : aMetricVector)
+ {
+ pBoundingBoxes[nIndex++] = geometry::RealRectangle2D(
+ metric.Left(),
+ metric.Top(),
+ metric.Right(),
+ metric.Bottom());
+ }
+ }
+ return aBoundingBoxes;
+ }
+
+ uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures( )
+ {
+ // TODO(F1)
+ return uno::Sequence< geometry::RealRectangle2D >();
+ }
+
+ uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements( )
+ {
+ SolarMutexGuard aGuard;
+
+ return maLogicalAdvancements;
+ }
+
+ void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements )
+ {
+ SolarMutexGuard aGuard;
+
+ ENSURE_ARG_OR_THROW( aAdvancements.getLength() == maText.Length,
+ "TextLayout::applyLogicalAdvancements(): mismatching number of advancements" );
+
+ maLogicalAdvancements = aAdvancements;
+ }
+
+ geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( )
+ {
+ SolarMutexGuard aGuard;
+
+ if( !mpOutDevProvider )
+ return geometry::RealRectangle2D();
+
+ OutputDevice& rOutDev = mpOutDevProvider->getOutDev();
+
+ ScopedVclPtrInstance< VirtualDevice > pVDev( rOutDev );
+ pVDev->SetFont( mpFont->getVCLFont() );
+
+ // need metrics for Y offset, the XCanvas always renders
+ // relative to baseline
+ const ::FontMetric& aMetric( pVDev->GetFontMetric() );
+
+ setupLayoutMode( *pVDev, mnTextDirection );
+
+ const sal_Int32 nAboveBaseline( -aMetric.GetAscent() );
+ const sal_Int32 nBelowBaseline( aMetric.GetDescent() );
+
+ if( maLogicalAdvancements.hasElements() )
+ {
+ return geometry::RealRectangle2D( 0, nAboveBaseline,
+ maLogicalAdvancements[ maLogicalAdvancements.getLength()-1 ],
+ nBelowBaseline );
+ }
+ else
+ {
+ return geometry::RealRectangle2D( 0, nAboveBaseline,
+ pVDev->GetTextWidth(
+ maText.Text,
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.StartPosition),
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.Length) ),
+ nBelowBaseline );
+ }
+ }
+
+ double SAL_CALL TextLayout::justify( double )
+ {
+ // TODO(F1)
+ return 0.0;
+ }
+
+ double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >&,
+ double )
+ {
+ // TODO(F1)
+ return 0.0;
+ }
+
+ rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& )
+ {
+ // TODO(F1)
+ return rendering::TextHit();
+ }
+
+ rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32, sal_Bool )
+ {
+ // TODO(F1)
+ return rendering::Caret();
+ }
+
+ sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32, sal_Int32, sal_Bool )
+ {
+ // TODO(F1)
+ return 0;
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32, sal_Int32 )
+ {
+ // TODO(F1)
+ return uno::Reference< rendering::XPolyPolygon2D >();
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32, sal_Int32 )
+ {
+ // TODO(F1)
+ return uno::Reference< rendering::XPolyPolygon2D >();
+ }
+
+ double SAL_CALL TextLayout::getBaselineOffset( )
+ {
+ // TODO(F1)
+ return 0.0;
+ }
+
+ sal_Int8 SAL_CALL TextLayout::getMainTextDirection( )
+ {
+ SolarMutexGuard aGuard;
+
+ return mnTextDirection;
+ }
+
+ uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont( )
+ {
+ SolarMutexGuard aGuard;
+
+ return mpFont;
+ }
+
+ rendering::StringContext SAL_CALL TextLayout::getText( )
+ {
+ SolarMutexGuard aGuard;
+
+ return maText;
+ }
+
+ void TextLayout::draw( OutputDevice& rOutDev,
+ const Point& rOutpos,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState ) const
+ {
+ SolarMutexGuard aGuard;
+
+ setupLayoutMode( rOutDev, mnTextDirection );
+
+ if( maLogicalAdvancements.hasElements() )
+ {
+ // TODO(P2): cache that
+ std::vector<sal_Int32> aOffsets(maLogicalAdvancements.getLength());
+ setupTextOffsets( aOffsets.data(), maLogicalAdvancements, viewState, renderState );
+
+ // TODO(F3): ensure correct length and termination for DX
+ // array (last entry _must_ contain the overall width)
+
+ rOutDev.DrawTextArray( rOutpos,
+ maText.Text,
+ aOffsets,
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.StartPosition),
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.Length) );
+ }
+ else
+ {
+ rOutDev.DrawText( rOutpos,
+ maText.Text,
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.StartPosition),
+ ::canvas::tools::numeric_cast<sal_uInt16>(maText.Length) );
+ }
+ }
+
+ namespace
+ {
+ class OffsetTransformer
+ {
+ public:
+ explicit OffsetTransformer( ::basegfx::B2DHomMatrix aMat ) :
+ maMatrix(std::move( aMat ))
+ {
+ }
+
+ sal_Int32 operator()( const double& rOffset )
+ {
+ // This is an optimization of the normal rMat*[x,0]
+ // transformation of the advancement vector (in x
+ // direction), followed by a length calculation of the
+ // resulting vector: advancement' =
+ // ||rMat*[x,0]||. Since advancements are vectors, we
+ // can ignore translational components, thus if [x,0],
+ // it follows that rMat*[x,0]=[x',0] holds. Thus, we
+ // just have to calc the transformation of the x
+ // component.
+
+ // TODO(F2): Handle non-horizontal advancements!
+ return ::basegfx::fround( hypot(maMatrix.get(0,0)*rOffset,
+ maMatrix.get(1,0)*rOffset) );
+ }
+
+ private:
+ ::basegfx::B2DHomMatrix maMatrix;
+ };
+ }
+
+ void TextLayout::setupTextOffsets( sal_Int32* outputOffsets,
+ const uno::Sequence< double >& inputOffsets,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState ) const
+ {
+ ENSURE_OR_THROW( outputOffsets!=nullptr,
+ "TextLayout::setupTextOffsets offsets NULL" );
+
+ ::basegfx::B2DHomMatrix aMatrix;
+
+ ::canvas::tools::mergeViewAndRenderTransform(aMatrix,
+ viewState,
+ renderState);
+
+ // fill integer offsets
+ std::transform( inputOffsets.begin(),
+ inputOffsets.end(),
+ outputOffsets,
+ OffsetTransformer( aMatrix ) );
+ }
+
+ OUString SAL_CALL TextLayout::getImplementationName()
+ {
+ return "VCLCanvas::TextLayout";
+ }
+
+ sal_Bool SAL_CALL TextLayout::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService( this, ServiceName );
+ }
+
+ uno::Sequence< OUString > SAL_CALL TextLayout::getSupportedServiceNames()
+ {
+ return { "com.sun.star.rendering.TextLayout" };
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/textlayout.hxx b/canvas/source/vcl/textlayout.hxx
new file mode 100644
index 000000000..5a403c280
--- /dev/null
+++ b/canvas/source/vcl/textlayout.hxx
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/StringContext.hpp>
+#include <com/sun/star/rendering/XTextLayout.hpp>
+
+#include "canvasfont.hxx"
+#include "impltools.hxx"
+
+
+/* Definition of TextLayout class */
+
+namespace vclcanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XTextLayout,
+ css::lang::XServiceInfo > TextLayout_Base;
+
+ class TextLayout : public ::cppu::BaseMutex,
+ public TextLayout_Base
+ {
+ public:
+ /// make noncopyable
+ TextLayout(const TextLayout&) = delete;
+ const TextLayout& operator=(const TextLayout&) = delete;
+
+ TextLayout( css::rendering::StringContext aText,
+ sal_Int8 nDirection,
+ CanvasFont::Reference rFont,
+ css::uno::Reference<
+ css::rendering::XGraphicDevice> xDevice,
+ OutDevProviderSharedPtr xOutDev );
+
+ /// Dispose all internal references
+ virtual void SAL_CALL disposing() override;
+
+ // XTextLayout
+ virtual css::uno::Sequence< css::uno::Reference< css::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes( ) override;
+ virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryInkMeasures( ) override;
+ virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryMeasures( ) override;
+ virtual css::uno::Sequence< double > SAL_CALL queryLogicalAdvancements( ) override;
+ virtual void SAL_CALL applyLogicalAdvancements( const css::uno::Sequence< double >& aAdvancements ) override;
+ virtual css::geometry::RealRectangle2D SAL_CALL queryTextBounds( ) override;
+ virtual double SAL_CALL justify( double nSize ) override;
+ virtual double SAL_CALL combinedJustify( const css::uno::Sequence< css::uno::Reference< css::rendering::XTextLayout > >& aNextLayouts, double nSize ) override;
+ virtual css::rendering::TextHit SAL_CALL getTextHit( const css::geometry::RealPoint2D& aHitPoint ) override;
+ virtual css::rendering::Caret SAL_CALL getCaret( sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures ) override;
+ virtual sal_Int32 SAL_CALL getNextInsertionIndex( sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures ) override;
+ virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+ virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+ virtual double SAL_CALL getBaselineOffset( ) override;
+ virtual sal_Int8 SAL_CALL getMainTextDirection( ) override;
+ virtual css::uno::Reference< css::rendering::XCanvasFont > SAL_CALL getFont( ) override;
+ virtual css::rendering::StringContext SAL_CALL getText( ) override;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ void draw( OutputDevice& rOutDev,
+ const Point& rOutpos,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) const;
+
+ private:
+ void setupTextOffsets( sal_Int32* outputOffsets,
+ const css::uno::Sequence< double >& inputOffsets,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) const;
+
+ css::rendering::StringContext maText;
+ css::uno::Sequence< double > maLogicalAdvancements;
+ CanvasFont::Reference mpFont;
+ css::uno::Reference< css::rendering::XGraphicDevice> mxDevice;
+ OutDevProviderSharedPtr mpOutDevProvider;
+ sal_Int8 mnTextDirection;
+ };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/vclcanvas.component b/canvas/source/vcl/vclcanvas.component
new file mode 100644
index 000000000..c2e0ffc09
--- /dev/null
+++ b/canvas/source/vcl/vclcanvas.component
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ -->
+
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+ xmlns="http://openoffice.org/2010/uno-components">
+ <implementation name="com.sun.star.comp.rendering.Canvas.VCL"
+ constructor="com_sun_star_comp_rendering_Canvas_VCL_get_implementation">
+ <service name="com.sun.star.rendering.Canvas.VCL"/>
+ </implementation>
+ <implementation name="com.sun.star.comp.rendering.SpriteCanvas.VCL"
+ constructor="com_sun_star_comp_rendering_SpriteCanvas_VCL_get_implementation">
+ <service name="com.sun.star.rendering.SpriteCanvas.VCL"/>
+ </implementation>
+</component>
diff --git a/canvas/source/vcl/windowoutdevholder.cxx b/canvas/source/vcl/windowoutdevholder.cxx
new file mode 100644
index 000000000..4776ee554
--- /dev/null
+++ b/canvas/source/vcl/windowoutdevholder.cxx
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <toolkit/helper/vclunohelper.hxx>
+
+#include "windowoutdevholder.hxx"
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+ namespace
+ {
+ vcl::Window& windowFromXWin( const uno::Reference<awt::XWindow>& xWin )
+ {
+ VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWin);
+ if( !pWindow )
+ throw lang::NoSupportException(
+ "Parent window not VCL window, or canvas out-of-process!",
+ nullptr);
+ return *pWindow;
+ }
+ }
+
+ WindowOutDevHolder::WindowOutDevHolder( const uno::Reference<awt::XWindow>& xWin ) :
+ mrOutputWindow( windowFromXWin(xWin) )
+ {}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/windowoutdevholder.hxx b/canvas/source/vcl/windowoutdevholder.hxx
new file mode 100644
index 000000000..87138a8a9
--- /dev/null
+++ b/canvas/source/vcl/windowoutdevholder.hxx
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/awt/XWindow.hpp>
+#include <vcl/window.hxx>
+
+#include "outdevprovider.hxx"
+
+namespace vclcanvas
+{
+ class WindowOutDevHolder : public OutDevProvider
+ {
+ public:
+ WindowOutDevHolder(const WindowOutDevHolder&) = delete;
+ const WindowOutDevHolder operator=(const WindowOutDevHolder&) = delete;
+
+ explicit WindowOutDevHolder( const css::uno::Reference< css::awt::XWindow>& xWin );
+
+ private:
+ virtual OutputDevice& getOutDev() override { return *mrOutputWindow.GetOutDev(); }
+ virtual const OutputDevice& getOutDev() const override { return *mrOutputWindow.GetOutDev(); }
+
+ // TODO(Q2): Lifetime issue. Though WindowGraphicDeviceBase
+ // now listens to the window component, I still consider
+ // holding a naked reference unsafe here (especially as we
+ // pass it around via getOutDev). This _only_ works reliably,
+ // if disposing the SpriteCanvas correctly disposes all
+ // entities which hold this pointer.
+ // So: as soon as the protocol inside
+ // vcl/source/window/window.cxx is broken, that disposes the
+ // canvas during window deletion, we're riding a dead horse
+ // here
+ vcl::Window& mrOutputWindow;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */