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-rw-r--r--canvas/source/cairo/cairo_cachedbitmap.cxx79
-rw-r--r--canvas/source/cairo/cairo_cachedbitmap.hxx58
-rw-r--r--canvas/source/cairo/cairo_canvas.cxx191
-rw-r--r--canvas/source/cairo/cairo_canvas.hxx142
-rw-r--r--canvas/source/cairo/cairo_canvasbitmap.cxx163
-rw-r--r--canvas/source/cairo/cairo_canvasbitmap.hxx126
-rw-r--r--canvas/source/cairo/cairo_canvascustomsprite.cxx151
-rw-r--r--canvas/source/cairo/cairo_canvascustomsprite.hxx145
-rw-r--r--canvas/source/cairo/cairo_canvasfont.cxx156
-rw-r--r--canvas/source/cairo/cairo_canvasfont.hxx83
-rw-r--r--canvas/source/cairo/cairo_canvashelper.cxx2047
-rw-r--r--canvas/source/cairo/cairo_canvashelper.hxx271
-rw-r--r--canvas/source/cairo/cairo_canvashelper_text.cxx300
-rw-r--r--canvas/source/cairo/cairo_devicehelper.cxx257
-rw-r--r--canvas/source/cairo/cairo_devicehelper.hxx122
-rw-r--r--canvas/source/cairo/cairo_repainttarget.hxx48
-rw-r--r--canvas/source/cairo/cairo_sprite.hxx65
-rw-r--r--canvas/source/cairo/cairo_spritecanvas.cxx233
-rw-r--r--canvas/source/cairo/cairo_spritecanvas.hxx159
-rw-r--r--canvas/source/cairo/cairo_spritecanvashelper.cxx518
-rw-r--r--canvas/source/cairo/cairo_spritecanvashelper.hxx140
-rw-r--r--canvas/source/cairo/cairo_spritedevicehelper.cxx153
-rw-r--r--canvas/source/cairo/cairo_spritedevicehelper.hxx77
-rw-r--r--canvas/source/cairo/cairo_spritehelper.cxx195
-rw-r--r--canvas/source/cairo/cairo_spritehelper.hxx102
-rw-r--r--canvas/source/cairo/cairo_surfaceprovider.hxx70
-rw-r--r--canvas/source/cairo/cairo_textlayout.cxx354
-rw-r--r--canvas/source/cairo/cairo_textlayout.hxx106
-rw-r--r--canvas/source/cairo/cairocanvas.component30
29 files changed, 6541 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_cachedbitmap.cxx b/canvas/source/cairo/cairo_cachedbitmap.cxx
new file mode 100644
index 000000000..111f797e2
--- /dev/null
+++ b/canvas/source/cairo/cairo_cachedbitmap.cxx
@@ -0,0 +1,79 @@
+/* -*- 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 "cairo_cachedbitmap.hxx"
+#include "cairo_repainttarget.hxx"
+
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ CachedBitmap::CachedBitmap( SurfaceSharedPtr pSurface,
+ const rendering::ViewState& rUsedViewState,
+ rendering::RenderState aUsedRenderState,
+ const uno::Reference< rendering::XCanvas >& rTarget ) :
+ CachedPrimitiveBase( rUsedViewState, rTarget ),
+ mpSurface(std::move( pSurface )),
+ maRenderState(std::move( aUsedRenderState ))
+ {}
+
+ void SAL_CALL CachedBitmap::disposing()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ mpSurface.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)" );
+
+ RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
+
+ ENSURE_OR_THROW( pTarget,
+ "CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
+
+ if( !pTarget->repaint( mpSurface,
+ rNewState,
+ maRenderState ) )
+ {
+ // target failed to repaint
+ return rendering::RepaintResult::FAILED;
+ }
+
+ return rendering::RepaintResult::REDRAWN;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_cachedbitmap.hxx b/canvas/source/cairo/cairo_cachedbitmap.hxx
new file mode 100644
index 000000000..159b54bc2
--- /dev/null
+++ b/canvas/source/cairo/cairo_cachedbitmap.hxx
@@ -0,0 +1,58 @@
+/* -*- 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/cachedprimitivebase.hxx>
+#include <com/sun/star/rendering/RenderState.hpp>
+
+#include <vcl/cairo.hxx>
+
+/* Definition of CachedBitmap class */
+
+namespace cairocanvas
+{
+ class CachedBitmap : public ::canvas::CachedPrimitiveBase
+ {
+ public:
+
+ /** Create an XCachedPrimitive for given GraphicObject
+ */
+ CachedBitmap( ::cairo::SurfaceSharedPtr pSurface,
+ 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;
+
+
+ ::cairo::SurfaceSharedPtr mpSurface;
+ const css::rendering::RenderState maRenderState;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvas.cxx b/canvas/source/cairo/cairo_canvas.cxx
new file mode 100644
index 000000000..622213dee
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvas.cxx
@@ -0,0 +1,191 @@
+/* -*- 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/Rectangle.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <osl/mutex.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/sysdata.hxx>
+#include <vcl/skia/SkiaHelper.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+#include "cairo_canvas.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ 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;
+
+ assert( !SkiaHelper::isVCLSkiaEnabled() );
+
+ /* 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
+ */
+ SAL_INFO("canvas.cairo","Canvas created " << this);
+
+ ENSURE_ARG_OR_THROW( maArguments.getLength() >= 5 &&
+ maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER &&
+ maArguments[4].getValueTypeClass() == uno::TypeClass_SEQUENCE,
+ "Canvas::initialize: wrong number of arguments, or wrong types" );
+
+ // We expect a single Any here, containing a pointer to a valid
+ // VCL output device, on which to output (mostly needed for text)
+ sal_Int64 nPtr = 0;
+ maArguments[0] >>= nPtr;
+ OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr);
+ ENSURE_ARG_OR_THROW( pOutDev != nullptr,
+ "Canvas::initialize: invalid OutDev pointer" );
+
+ awt::Rectangle aBounds;
+ maArguments[1] >>= aBounds;
+
+ uno::Sequence<sal_Int8> aSeq;
+ maArguments[4] >>= aSeq;
+
+ const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray());
+ if( !pSysData || !pSysData->nSize )
+ throw lang::NoSupportException( "Passed SystemGraphicsData invalid!" );
+
+ bool bHasCairo = pOutDev->SupportsCairo();
+ ENSURE_ARG_OR_THROW(bHasCairo, "SpriteCanvas::SpriteCanvas: No Cairo capability");
+
+ // setup helper
+ maDeviceHelper.init( *this, *pOutDev );
+
+ maCanvasHelper.init( basegfx::B2ISize(aBounds.Width, aBounds.Height), *this, this );
+
+ // forward surface to render on to canvashelper
+ maCanvasHelper.setSurface( maDeviceHelper.getSurface(), false );
+
+ maArguments.realloc(0);
+ }
+
+ Canvas::~Canvas()
+ {
+ SAL_INFO("canvas.cairo", "CairoCanvas destroyed" );
+ }
+
+ void Canvas::disposeThis()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // forward to parent
+ CanvasBaseT::disposeThis();
+ }
+
+ OUString SAL_CALL Canvas::getServiceName( )
+ {
+ return "com.sun.star.rendering.Canvas.Cairo";
+ }
+
+ // XServiceInfo
+ sal_Bool Canvas::supportsService(const OUString& sServiceName)
+ {
+ return cppu::supportsService(this, sServiceName);
+
+ }
+ OUString Canvas::getImplementationName()
+ {
+ return "com.sun.star.comp.rendering.Canvas.Cairo";
+ }
+ css::uno::Sequence< OUString > Canvas::getSupportedServiceNames()
+ {
+ return { getServiceName() };
+ }
+
+ bool Canvas::repaint( const SurfaceSharedPtr& pSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return maCanvasHelper.repaint( pSurface, viewState, renderState );
+ }
+
+ SurfaceSharedPtr Canvas::getSurface()
+ {
+ return maDeviceHelper.getSurface();
+ }
+
+ SurfaceSharedPtr Canvas::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ return maDeviceHelper.createSurface( rSize, aContent );
+ }
+
+ SurfaceSharedPtr Canvas::createSurface( ::Bitmap& rBitmap )
+ {
+ SurfaceSharedPtr pSurface;
+
+ BitmapSystemData aData;
+ if( rBitmap.GetSystemData( aData ) ) {
+ const Size& rSize = rBitmap.GetSizePixel();
+
+ pSurface = maDeviceHelper.createSurface( aData, rSize );
+ }
+
+ return pSurface;
+ }
+
+ SurfaceSharedPtr Canvas::changeSurface()
+ {
+ // non-modifiable surface here
+ return SurfaceSharedPtr();
+ }
+
+ OutputDevice* Canvas::getOutputDevice()
+ {
+ return maDeviceHelper.getOutputDevice();
+ }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_rendering_Canvas_Cairo_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+ rtl::Reference<cairocanvas::Canvas> p = new cairocanvas::Canvas(args, context);
+ p->acquire();
+ try {
+ p->initialize();
+ } catch (css::uno::Exception&) {
+ p->dispose();
+ p->release();
+ throw;
+ }
+ return static_cast<cppu::OWeakObject*>(p.get());
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvas.hxx b/canvas/source/cairo/cairo_canvas.hxx
new file mode 100644
index 000000000..0c41a8a5c
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvas.hxx
@@ -0,0 +1,142 @@
+/* -*- 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/lang/XServiceInfo.hpp>
+#include <com/sun/star/util/XUpdatable.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+
+#include <cppuhelper/compbase.hxx>
+#include <comphelper/uno3.hxx>
+
+#include <base/basemutexhelper.hxx>
+#include <base/bitmapcanvasbase.hxx>
+#include <base/graphicdevicebase.hxx>
+#include <base/integerbitmapbase.hxx>
+
+#include "cairo_canvashelper.hxx"
+#include "cairo_devicehelper.hxx"
+#include "cairo_repainttarget.hxx"
+#include "cairo_surfaceprovider.hxx"
+
+namespace cairocanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
+ css::rendering::XIntegerBitmap,
+ css::rendering::XGraphicDevice,
+ css::lang::XMultiServiceFactory,
+ css::util::XUpdatable,
+ css::beans::XPropertySet,
+ css::lang::XServiceName,
+ css::lang::XServiceInfo > GraphicDeviceBase_Base;
+ typedef ::canvas::GraphicDeviceBase< ::canvas::BaseMutexHelper< GraphicDeviceBase_Base >,
+ DeviceHelper,
+ ::osl::MutexGuard,
+ ::cppu::OWeakObject > CanvasBase_Base;
+
+ /** Mixin SurfaceProvider
+
+ Have to mixin the SurfaceProvider before deriving from
+ ::canvas::CanvasBase, 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::CanvasBase directly from
+ SurfaceProvider (because derivees of
+ ::canvas::CanvasBase have to explicitly forward the
+ XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS)
+ anyway).
+ */
+ class CanvasBaseSurfaceProvider_Base : public CanvasBase_Base,
+ public SurfaceProvider
+ {
+ };
+
+ typedef ::canvas::IntegerBitmapBase<
+ canvas::BitmapCanvasBase2<
+ CanvasBaseSurfaceProvider_Base,
+ CanvasHelper,
+ ::osl::MutexGuard,
+ ::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;
+
+ // XServiceInfo
+ virtual sal_Bool SAL_CALL supportsService(const OUString& sServiceName) override;
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ // RepaintTarget
+ virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) override;
+
+ // SurfaceProvider
+ virtual ::cairo::SurfaceSharedPtr getSurface() override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
+ virtual ::cairo::SurfaceSharedPtr changeSurface() override;
+ virtual OutputDevice* getOutputDevice() override;
+
+ private:
+ css::uno::Sequence< css::uno::Any > maArguments;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvasbitmap.cxx b/canvas/source/cairo/cairo_canvasbitmap.cxx
new file mode 100644
index 000000000..fa33b83eb
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvasbitmap.cxx
@@ -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 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+#include <utility>
+#include <vcl/bitmapex.hxx>
+#include <vcl/BitmapTools.hxx>
+
+#include <cairo.h>
+
+#include "cairo_canvasbitmap.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ CanvasBitmap::CanvasBitmap( const ::basegfx::B2ISize& rSize,
+ SurfaceProviderRef rSurfaceProvider,
+ rendering::XGraphicDevice* pDevice,
+ bool bHasAlpha ) :
+ mpSurfaceProvider(std::move( rSurfaceProvider )),
+ maSize(rSize),
+ mbHasAlpha(bHasAlpha)
+ {
+ ENSURE_OR_THROW( mpSurfaceProvider.is(),
+ "CanvasBitmap::CanvasBitmap(): Invalid surface or device" );
+
+ SAL_INFO(
+ "canvas.cairo",
+ "bitmap size: " << rSize.getX() << "x" << rSize.getY());
+
+ mpBufferSurface = mpSurfaceProvider->createSurface( rSize, bHasAlpha ? CAIRO_CONTENT_COLOR_ALPHA : CAIRO_CONTENT_COLOR );
+ mpBufferCairo = mpBufferSurface->getCairo();
+
+ maCanvasHelper.init( rSize, *mpSurfaceProvider, pDevice );
+ maCanvasHelper.setSurface( mpBufferSurface, bHasAlpha );
+
+ // clear bitmap to 100% transparent
+ maCanvasHelper.clear();
+ }
+
+ void CanvasBitmap::disposeThis()
+ {
+ mpSurfaceProvider.clear();
+
+ mpBufferCairo.reset();
+ mpBufferSurface.reset();
+
+ // forward to parent
+ CanvasBitmap_Base::disposeThis();
+ }
+
+ SurfaceSharedPtr CanvasBitmap::getSurface()
+ {
+ return mpBufferSurface;
+ }
+
+ SurfaceSharedPtr CanvasBitmap::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ return mpSurfaceProvider->createSurface(rSize,aContent);
+ }
+
+ SurfaceSharedPtr CanvasBitmap::createSurface( ::Bitmap& rBitmap )
+ {
+ return mpSurfaceProvider->createSurface(rBitmap);
+ }
+
+ SurfaceSharedPtr CanvasBitmap::changeSurface()
+ {
+ // non-modifiable surface here
+ return SurfaceSharedPtr();
+ }
+
+ OutputDevice* CanvasBitmap::getOutputDevice()
+ {
+ return mpSurfaceProvider->getOutputDevice();
+ }
+
+ bool CanvasBitmap::repaint( const SurfaceSharedPtr& pSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return maCanvasHelper.repaint( pSurface, viewState, renderState );
+ }
+
+ uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle )
+ {
+ uno::Any aRV( sal_Int32(0) );
+ // 0 ... get BitmapEx
+ // 1 ... get Pixbuf with bitmap RGB content
+ // 2 ... return nothing (empty Any)
+ switch( nHandle )
+ {
+ case 0:
+ {
+ aRV <<= reinterpret_cast<sal_Int64>( nullptr );
+ if ( !mbHasAlpha )
+ break;
+
+ BitmapEx* pBitmapEx = vcl::bitmap::CreateFromCairoSurface(
+ ::Size( maSize.getX(), maSize.getY() ),
+ getSurface()->getCairoSurface().get());
+ if (pBitmapEx)
+ aRV <<= reinterpret_cast<sal_Int64>( pBitmapEx );
+
+ break;
+ }
+ case 1:
+ {
+ aRV = getOutputDevice()->GetNativeSurfaceHandle(mpBufferSurface, maSize);
+ break;
+ }
+ case 2:
+ {
+ // Always return nothing - for the RGB surface support.
+ // Alpha code paths go via the above case 0.
+ aRV = uno::Any();
+ break;
+ }
+ }
+
+ return aRV;
+ }
+
+ OUString SAL_CALL CanvasBitmap::getImplementationName( )
+ {
+ return "CairoCanvas.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" };
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvasbitmap.hxx b/canvas/source/cairo/cairo_canvasbitmap.hxx
new file mode 100644
index 000000000..8826bc82e
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvasbitmap.hxx
@@ -0,0 +1,126 @@
+/* -*- 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 <comphelper/uno3.hxx>
+
+#include <base/bitmapcanvasbase.hxx>
+#include <base/basemutexhelper.hxx>
+#include <base/integerbitmapbase.hxx>
+
+#include "cairo_canvashelper.hxx"
+#include "cairo_repainttarget.hxx"
+
+
+/* Definition of CanvasBitmap class */
+
+namespace cairocanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
+ css::rendering::XIntegerBitmap,
+ css::lang::XServiceInfo,
+ css::beans::XFastPropertySet > CanvasBitmapBase_Base;
+ class CanvasBitmapSpriteSurface_Base :
+ public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>,
+ public SurfaceProvider
+ {
+ };
+
+ typedef ::canvas::IntegerBitmapBase<
+ canvas::BitmapCanvasBase2<
+ CanvasBitmapSpriteSurface_Base,
+ CanvasHelper,
+ ::osl::MutexGuard,
+ ::cppu::OWeakObject> > CanvasBitmap_Base;
+
+ class CanvasBitmap : public CanvasBitmap_Base,
+ public RepaintTarget
+ {
+ public:
+ /** Create a canvas bitmap for the given surface
+
+ @param rSize
+ Size of the bitmap
+
+ @param rDevice
+ Reference device, with which bitmap should be compatible
+ */
+ CanvasBitmap( const ::basegfx::B2ISize& rSize,
+ SurfaceProviderRef rDevice,
+ css::rendering::XGraphicDevice* pDevice,
+ bool bHasAlpha );
+
+ /// 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( CanvasBitmap, CanvasBitmapBase_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;
+
+ // SurfaceProvider
+ virtual ::cairo::SurfaceSharedPtr getSurface() override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
+ virtual ::cairo::SurfaceSharedPtr changeSurface() override;
+ virtual OutputDevice* getOutputDevice() override;
+
+ // RepaintTarget
+ virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) override;
+
+ // 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 ... FIXME: leftover? ever called with this? always returns nothing (empty Any)
+ // 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:
+ SurfaceProviderRef mpSurfaceProvider;
+ ::cairo::SurfaceSharedPtr mpBufferSurface;
+ ::cairo::CairoSharedPtr mpBufferCairo;
+
+ const ::basegfx::B2ISize maSize;
+ const bool mbHasAlpha;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvascustomsprite.cxx b/canvas/source/cairo/cairo_canvascustomsprite.cxx
new file mode 100644
index 000000000..b88507178
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvascustomsprite.cxx
@@ -0,0 +1,151 @@
+/* -*- 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/point/b2dpoint.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <canvas/canvastools.hxx>
+#include <cairo.h>
+
+#include "cairo_canvascustomsprite.hxx"
+#include "cairo_spritecanvas.hxx"
+
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ CanvasCustomSprite::CanvasCustomSprite( const css::geometry::RealSize2D& rSpriteSize,
+ const SpriteCanvasRef& rRefDevice ) :
+ mpSpriteCanvas( rRefDevice ),
+ maSize( ::canvas::tools::roundUp( rSpriteSize.Width ),
+ ::canvas::tools::roundUp( rSpriteSize.Height ) )
+ {
+ ENSURE_OR_THROW( rRefDevice,
+ "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" );
+
+ SAL_INFO( "canvas.cairo", "sprite size: " << ::canvas::tools::roundUp( rSpriteSize.Width ) << ", " << ::canvas::tools::roundUp( rSpriteSize.Height ));
+
+ mpBufferSurface = mpSpriteCanvas->createSurface( maSize, CAIRO_CONTENT_COLOR_ALPHA );
+
+ maCanvasHelper.init( maSize,
+ *rRefDevice,
+ rRefDevice.get() );
+ maCanvasHelper.setSurface( mpBufferSurface, true );
+
+ maSpriteHelper.init( rSpriteSize,
+ rRefDevice );
+ maSpriteHelper.setSurface( mpBufferSurface );
+
+ // clear sprite to 100% transparent
+ maCanvasHelper.clear();
+ }
+
+ void CanvasCustomSprite::disposeThis()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ mpSpriteCanvas.clear();
+ mpBufferSurface.reset();
+
+ // forward to parent
+ CanvasCustomSpriteBaseT::disposeThis();
+ }
+
+ void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo,
+ bool bBufferedUpdate ) const
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ redraw( pCairo, maSpriteHelper.getPosPixel(), bBufferedUpdate );
+ }
+
+ void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo,
+ const ::basegfx::B2DPoint& rOrigOutputPos,
+ bool bBufferedUpdate ) const
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ maSpriteHelper.redraw( pCairo,
+ rOrigOutputPos,
+ mbSurfaceDirty,
+ bBufferedUpdate );
+
+ mbSurfaceDirty = false;
+ }
+
+ bool CanvasCustomSprite::repaint( const SurfaceSharedPtr& pSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return maCanvasHelper.repaint( pSurface, viewState, renderState );
+ }
+
+ SurfaceSharedPtr CanvasCustomSprite::getSurface()
+ {
+ return mpBufferSurface;
+ }
+
+ SurfaceSharedPtr CanvasCustomSprite::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ return mpSpriteCanvas->createSurface(rSize,aContent);
+ }
+
+ SurfaceSharedPtr CanvasCustomSprite::createSurface( ::Bitmap& rBitmap )
+ {
+ return mpSpriteCanvas->createSurface(rBitmap);
+ }
+
+ SurfaceSharedPtr CanvasCustomSprite::changeSurface()
+ {
+ SAL_INFO( "canvas.cairo", "replacing sprite background surface");
+
+ mpBufferSurface = mpSpriteCanvas->createSurface( maSize, CAIRO_CONTENT_COLOR );
+ maSpriteHelper.setSurface( mpBufferSurface );
+
+ return mpBufferSurface;
+ }
+
+ OutputDevice* CanvasCustomSprite::getOutputDevice()
+ {
+ return mpSpriteCanvas->getOutputDevice();
+ }
+
+ OUString SAL_CALL CanvasCustomSprite::getImplementationName()
+ {
+ return "CairoCanvas.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" };
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvascustomsprite.hxx b/canvas/source/cairo/cairo_canvascustomsprite.hxx
new file mode 100644
index 000000000..ffe766ab0
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvascustomsprite.hxx
@@ -0,0 +1,145 @@
+/* -*- 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 <basegfx/point/b2dpoint.hxx>
+
+#include <base/basemutexhelper.hxx>
+#include <base/canvascustomspritebase.hxx>
+
+#include <vcl/cairo.hxx>
+
+#include "cairo_sprite.hxx"
+#include "cairo_canvashelper.hxx"
+#include "cairo_repainttarget.hxx"
+#include "cairo_spritehelper.hxx"
+#include "cairo_spritecanvas.hxx"
+
+
+namespace cairocanvas
+{
+ 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,
+ public SurfaceProvider
+ {
+ };
+
+ typedef ::canvas::CanvasCustomSpriteBase< CanvasCustomSpriteSpriteBase_Base,
+ SpriteHelper,
+ CanvasHelper,
+ ::osl::MutexGuard,
+ ::cppu::OWeakObject > CanvasCustomSpriteBaseT;
+
+ /* Definition of CanvasCustomSprite class */
+
+ class CanvasCustomSprite : public CanvasCustomSpriteBaseT,
+ public RepaintTarget
+ {
+ public:
+ /** Create a custom sprite
+
+ @param rSpriteSize
+ Size of the sprite in pixel
+
+ @param rRefDevice
+ Associated output device
+
+ @param rSpriteCanvas
+ Target canvas
+
+ @param rDevice
+ Target DX device
+ */
+ CanvasCustomSprite( const css::geometry::RealSize2D& rSpriteSize,
+ const SpriteCanvasRef& rRefDevice );
+
+ virtual void disposeThis() override;
+
+ // 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( const ::cairo::CairoSharedPtr& pCairo,
+ bool bBufferedUpdate ) const override;
+ virtual void redraw( const ::cairo::CairoSharedPtr& pCairo,
+ const ::basegfx::B2DPoint& rOrigOutputPos,
+ bool bBufferedUpdate ) const override;
+
+ // RepaintTarget
+ virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) override;
+
+ // SurfaceProvider
+ virtual ::cairo::SurfaceSharedPtr getSurface() override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
+ virtual ::cairo::SurfaceSharedPtr changeSurface() override;
+ virtual OutputDevice* getOutputDevice() override;
+
+ private:
+ /** MUST hold here, too, since CanvasHelper only contains a
+ raw pointer (without refcounting)
+ */
+ SpriteCanvasRef mpSpriteCanvas;
+ ::cairo::SurfaceSharedPtr mpBufferSurface;
+ ::basegfx::B2ISize maSize;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvasfont.cxx b/canvas/source/cairo/cairo_canvasfont.cxx
new file mode 100644
index 000000000..36c1733ef
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvasfont.cxx
@@ -0,0 +1,156 @@
+/* -*- 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 <com/sun/star/rendering/PanoseProportion.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <rtl/math.hxx>
+#include <utility>
+#include <vcl/metric.hxx>
+
+#include "cairo_canvasfont.hxx"
+#include "cairo_textlayout.hxx"
+
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+
+ CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest,
+ const uno::Sequence< beans::PropertyValue >& /*rExtraFontProperties*/,
+ const geometry::Matrix2D& rFontMatrix,
+ SurfaceProviderRef rDevice ) :
+ CanvasFont_Base( m_aMutex ),
+ maFont( vcl::Font( rFontRequest.FontDescription.FamilyName,
+ rFontRequest.FontDescription.StyleName,
+ Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ),
+ maFontRequest( rFontRequest ),
+ mpRefDevice(std::move( rDevice ))
+ {
+ 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) )
+ return;
+
+ VclPtr<OutputDevice> pOutDev( mpRefDevice->getOutputDevice() );
+
+ if( !pOutDev )
+ return;
+
+ const bool bOldMapState( pOutDev->IsMapModeEnabled() );
+ pOutDev->EnableMapMode(false);
+
+ const Size aSize = pOutDev->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 );
+
+ pOutDev->EnableMapMode(bOldMapState);
+ }
+
+ void SAL_CALL CanvasFont::disposing()
+ {
+ SolarMutexGuard aGuard;
+
+ mpRefDevice.clear();
+ }
+
+ uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed )
+ {
+ SolarMutexGuard aGuard;
+
+ if( !mpRefDevice.is() )
+ return uno::Reference< rendering::XTextLayout >(); // we're disposed
+
+ return new TextLayout( aText,
+ nDirection,
+ nRandomSeed,
+ Reference( this ),
+ mpRefDevice );
+ }
+
+ rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( )
+ {
+ SolarMutexGuard aGuard;
+
+ return maFontRequest;
+ }
+
+ rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( )
+ {
+ // TODO(F1)
+ return rendering::FontMetrics();
+ }
+
+ 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 "CairoCanvas::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/cairo/cairo_canvasfont.hxx b/canvas/source/cairo/cairo_canvasfont.hxx
new file mode 100644
index 000000000..0ebe9acd8
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvasfont.hxx
@@ -0,0 +1,83 @@
+/* -*- 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 <vcl/font.hxx>
+
+#include <vclwrapper.hxx>
+
+#include "cairo_surfaceprovider.hxx"
+
+
+/* Definition of CanvasFont class */
+
+namespace cairocanvas
+{
+ 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,
+ SurfaceProviderRef rDevice );
+
+ /// 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;
+ SurfaceProviderRef mpRefDevice;
+ };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvashelper.cxx b/canvas/source/cairo/cairo_canvashelper.cxx
new file mode 100644
index 000000000..8f46c5b85
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvashelper.cxx
@@ -0,0 +1,2047 @@
+/* -*- 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 <algorithm>
+#include <tuple>
+
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/utils/keystoplerp.hxx>
+#include <basegfx/utils/lerp.hxx>
+#include <com/sun/star/rendering/ColorComponentTag.hpp>
+#include <com/sun/star/rendering/ColorSpaceType.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
+#include <com/sun/star/rendering/PathCapType.hpp>
+#include <com/sun/star/rendering/PathJoinType.hpp>
+#include <com/sun/star/rendering/RenderingIntent.hpp>
+#include <com/sun/star/rendering/TexturingMode.hpp>
+#include <com/sun/star/rendering/XIntegerBitmapColorSpace.hpp>
+#include <com/sun/star/util/Endianness.hpp>
+#include <comphelper/sequence.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/bitmapex.hxx>
+#include <vcl/BitmapTools.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/virdev.hxx>
+
+#include <canvas/canvastools.hxx>
+#include <parametricpolypolygon.hxx>
+#include <cairo.h>
+
+#include "cairo_cachedbitmap.hxx"
+#include "cairo_canvasbitmap.hxx"
+#include "cairo_canvashelper.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ CanvasHelper::CanvasHelper() :
+ mpSurfaceProvider(nullptr),
+ mpDevice(nullptr),
+ mbHaveAlpha()
+ {
+ }
+
+ void CanvasHelper::disposing()
+ {
+ mpSurface.reset();
+ mpCairo.reset();
+ mpVirtualDevice.disposeAndClear();
+ mpDevice = nullptr;
+ mpSurfaceProvider = nullptr;
+ }
+
+ void CanvasHelper::init( const ::basegfx::B2ISize& rSizePixel,
+ SurfaceProvider& rSurfaceProvider,
+ rendering::XGraphicDevice* pDevice )
+ {
+ maSize = rSizePixel;
+ mpSurfaceProvider = &rSurfaceProvider;
+ mpDevice = pDevice;
+ }
+
+ void CanvasHelper::setSize( const ::basegfx::B2ISize& rSize )
+ {
+ maSize = rSize;
+ }
+
+ void CanvasHelper::setSurface( const SurfaceSharedPtr& pSurface, bool bHasAlpha )
+ {
+ mbHaveAlpha = bHasAlpha;
+ mpVirtualDevice.disposeAndClear();
+ mpSurface = pSurface;
+ mpCairo = pSurface->getCairo();
+ }
+
+ static void setColor( cairo_t* pCairo,
+ const uno::Sequence<double>& rColor )
+ {
+ if( rColor.getLength() > 3 )
+ {
+ cairo_set_source_rgba( pCairo,
+ rColor[0],
+ rColor[1],
+ rColor[2],
+ rColor[3] );
+ }
+ else if( rColor.getLength() == 3 )
+ cairo_set_source_rgb( pCairo,
+ rColor[0],
+ rColor[1],
+ rColor[2] );
+ }
+
+ void CanvasHelper::useStates( const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ bool bSetColor )
+ {
+ cairo_matrix_t aViewMatrix;
+ cairo_matrix_t aRenderMatrix;
+ cairo_matrix_t aCombinedMatrix;
+
+ cairo_matrix_init( &aViewMatrix,
+ viewState.AffineTransform.m00, viewState.AffineTransform.m10, viewState.AffineTransform.m01,
+ viewState.AffineTransform.m11, viewState.AffineTransform.m02, viewState.AffineTransform.m12);
+ cairo_matrix_init( &aRenderMatrix,
+ renderState.AffineTransform.m00, renderState.AffineTransform.m10, renderState.AffineTransform.m01,
+ renderState.AffineTransform.m11, renderState.AffineTransform.m02, renderState.AffineTransform.m12);
+ cairo_matrix_multiply( &aCombinedMatrix, &aRenderMatrix, &aViewMatrix);
+
+ if( viewState.Clip.is() )
+ {
+ SAL_INFO( "canvas.cairo", "view clip");
+
+ aViewMatrix.x0 = basegfx::fround( aViewMatrix.x0 );
+ aViewMatrix.y0 = basegfx::fround( aViewMatrix.y0 );
+ cairo_set_matrix( mpCairo.get(), &aViewMatrix );
+ doPolyPolygonPath( viewState.Clip, Clip );
+ }
+
+ aCombinedMatrix.x0 = basegfx::fround( aCombinedMatrix.x0 );
+ aCombinedMatrix.y0 = basegfx::fround( aCombinedMatrix.y0 );
+ cairo_set_matrix( mpCairo.get(), &aCombinedMatrix );
+
+ if( renderState.Clip.is() )
+ {
+ SAL_INFO( "canvas.cairo", "render clip BEGIN");
+
+ doPolyPolygonPath( renderState.Clip, Clip );
+ SAL_INFO( "canvas.cairo", "render clip END");
+ }
+
+ if( bSetColor )
+ setColor(mpCairo.get(),renderState.DeviceColor);
+
+ cairo_operator_t compositingMode( CAIRO_OPERATOR_OVER );
+ switch( renderState.CompositeOperation )
+ {
+ case rendering::CompositeOperation::CLEAR:
+ compositingMode = CAIRO_OPERATOR_CLEAR;
+ break;
+ case rendering::CompositeOperation::SOURCE:
+ compositingMode = CAIRO_OPERATOR_SOURCE;
+ break;
+ case rendering::CompositeOperation::DESTINATION:
+ compositingMode = CAIRO_OPERATOR_DEST;
+ break;
+ case rendering::CompositeOperation::OVER:
+ compositingMode = CAIRO_OPERATOR_OVER;
+ break;
+ case rendering::CompositeOperation::UNDER:
+ compositingMode = CAIRO_OPERATOR_DEST;
+ break;
+ case rendering::CompositeOperation::INSIDE:
+ compositingMode = CAIRO_OPERATOR_IN;
+ break;
+ case rendering::CompositeOperation::INSIDE_REVERSE:
+ compositingMode = CAIRO_OPERATOR_OUT;
+ break;
+ case rendering::CompositeOperation::OUTSIDE:
+ compositingMode = CAIRO_OPERATOR_DEST_OVER;
+ break;
+ case rendering::CompositeOperation::OUTSIDE_REVERSE:
+ compositingMode = CAIRO_OPERATOR_DEST_OUT;
+ break;
+ case rendering::CompositeOperation::ATOP:
+ compositingMode = CAIRO_OPERATOR_ATOP;
+ break;
+ case rendering::CompositeOperation::ATOP_REVERSE:
+ compositingMode = CAIRO_OPERATOR_DEST_ATOP;
+ break;
+ case rendering::CompositeOperation::XOR:
+ compositingMode = CAIRO_OPERATOR_XOR;
+ break;
+ case rendering::CompositeOperation::ADD:
+ compositingMode = CAIRO_OPERATOR_ADD;
+ break;
+ case rendering::CompositeOperation::SATURATE:
+ compositingMode = CAIRO_OPERATOR_SATURATE;
+ break;
+ }
+ cairo_set_operator( mpCairo.get(), compositingMode );
+ }
+
+ void CanvasHelper::clear()
+ {
+ SAL_INFO( "canvas.cairo", "clear whole area: " << maSize.getX() << " x " << maSize.getY() );
+
+ if( !mpCairo )
+ return;
+
+ cairo_save( mpCairo.get() );
+
+ cairo_identity_matrix( mpCairo.get() );
+ // this does not really differ from all-zero, as cairo
+ // internally converts to premultiplied alpha. but anyway,
+ // this keeps it consistent with the other canvas impls
+ if( mbHaveAlpha )
+ cairo_set_source_rgba( mpCairo.get(), 1.0, 1.0, 1.0, 0.0 );
+ else
+ cairo_set_source_rgb( mpCairo.get(), 1.0, 1.0, 1.0 );
+ cairo_set_operator( mpCairo.get(), CAIRO_OPERATOR_SOURCE );
+
+ cairo_rectangle( mpCairo.get(), 0, 0, maSize.getX(), maSize.getY() );
+ cairo_fill( mpCairo.get() );
+
+ cairo_restore( mpCairo.get() );
+ }
+
+ void CanvasHelper::drawLine( const rendering::XCanvas* /*pCanvas*/,
+ const geometry::RealPoint2D& aStartPoint,
+ const geometry::RealPoint2D& aEndPoint,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ if( !mpCairo )
+ return;
+
+ cairo_save( mpCairo.get() );
+
+ cairo_set_line_width( mpCairo.get(), 1 );
+
+ useStates( viewState, renderState, true );
+
+ cairo_move_to( mpCairo.get(), aStartPoint.X + 0.5, aStartPoint.Y + 0.5 );
+ cairo_line_to( mpCairo.get(), aEndPoint.X + 0.5, aEndPoint.Y + 0.5 );
+ cairo_stroke( mpCairo.get() );
+
+ cairo_restore( mpCairo.get() );
+ }
+
+ void CanvasHelper::drawBezier( const rendering::XCanvas* ,
+ const geometry::RealBezierSegment2D& aBezierSegment,
+ const geometry::RealPoint2D& aEndPoint,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ if( !mpCairo )
+ return;
+
+ cairo_save( mpCairo.get() );
+
+ cairo_set_line_width( mpCairo.get(), 1 );
+
+ useStates( viewState, renderState, true );
+
+ cairo_move_to( mpCairo.get(), aBezierSegment.Px + 0.5, aBezierSegment.Py + 0.5 );
+ // tdf#99165 correction of control points not needed here, only hairlines drawn
+ // (see cairo_set_line_width above)
+ cairo_curve_to( mpCairo.get(),
+ aBezierSegment.C1x + 0.5, aBezierSegment.C1y + 0.5,
+ aBezierSegment.C2x + 0.5, aBezierSegment.C2y + 0.5,
+ aEndPoint.X + 0.5, aEndPoint.Y + 0.5 );
+ cairo_stroke( mpCairo.get() );
+
+ cairo_restore( mpCairo.get() );
+ }
+
+constexpr OUStringLiteral PARAMETRICPOLYPOLYGON_IMPLEMENTATION_NAME = u"Canvas::ParametricPolyPolygon";
+
+ /** surfaceFromXBitmap Create a surface from XBitmap
+ * @param xBitmap bitmap image that will be used for the surface
+ * @param bHasAlpha will be set to true if resulting surface has alpha
+ *
+ * This is a helper function for the other surfaceFromXBitmap().
+ * This function tries to create surface from xBitmap by checking if xBitmap is CanvasBitmap or SpriteCanvas.
+ *
+ * @return created surface or NULL
+ **/
+ static SurfaceSharedPtr surfaceFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap )
+ {
+ CanvasBitmap* pBitmapImpl = dynamic_cast< CanvasBitmap* >( xBitmap.get() );
+ if( pBitmapImpl )
+ return pBitmapImpl->getSurface();
+
+ SurfaceProvider* pSurfaceProvider = dynamic_cast<SurfaceProvider*>( xBitmap.get() );
+ if( pSurfaceProvider )
+ return pSurfaceProvider->getSurface();
+
+ return SurfaceSharedPtr();
+ }
+
+ static ::BitmapEx bitmapExFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap )
+ {
+ // TODO(F1): 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 BitmapEx" );
+
+ return ::BitmapEx();
+ }
+
+ /** surfaceFromXBitmap Create a surface from XBitmap
+ * @param xBitmap bitmap image that will be used for the surface
+ * @param rDevice reference to the device into which we want to draw
+ * @param data will be filled with alpha data, if xBitmap is alpha/transparent image
+ * @param bHasAlpha will be set to true if resulting surface has alpha
+ *
+ * This function tries various methods for creating a surface from xBitmap. It also uses
+ * the helper function surfaceFromXBitmap( xBitmap, bHasAlpha )
+ *
+ * @return created surface or NULL
+ **/
+ static SurfaceSharedPtr surfaceFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap, const SurfaceProviderRef& rSurfaceProvider, unsigned char*& data, bool& bHasAlpha )
+ {
+ bHasAlpha = xBitmap->hasAlpha();
+ SurfaceSharedPtr pSurface = surfaceFromXBitmap( xBitmap );
+ if( pSurface )
+ data = nullptr;
+ else
+ {
+ ::BitmapEx aBmpEx = bitmapExFromXBitmap(xBitmap);
+ ::Bitmap aBitmap = aBmpEx.GetBitmap();
+
+ // there's no pixmap for alpha bitmap. we might still
+ // use rgb pixmap and only access alpha pixels the
+ // slow way. now we just speedup rgb bitmaps
+ if( !aBmpEx.IsAlpha() )
+ {
+ pSurface = rSurfaceProvider->createSurface( aBitmap );
+ data = nullptr;
+ bHasAlpha = false;
+ }
+
+ if( !pSurface )
+ {
+ tools::Long nWidth;
+ tools::Long nHeight;
+ vcl::bitmap::CanvasCairoExtractBitmapData(aBmpEx, aBitmap, data, bHasAlpha, nWidth, nHeight);
+
+ pSurface = rSurfaceProvider->getOutputDevice()->CreateSurface(
+ CairoSurfaceSharedPtr(
+ cairo_image_surface_create_for_data(
+ data,
+ bHasAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
+ nWidth, nHeight, nWidth*4 ),
+ &cairo_surface_destroy) );
+
+ SAL_INFO( "canvas.cairo","image: " << nWidth << " x " << nHeight << " alpha: " << bHasAlpha);
+ }
+ }
+
+ return pSurface;
+ }
+
+ static void addColorStops( cairo_pattern_t* pPattern, const uno::Sequence< uno::Sequence< double > >& rColors, const uno::Sequence< double >& rStops, bool bReverseStops )
+ {
+ int i;
+
+ OSL_ASSERT( rColors.getLength() == rStops.getLength() );
+
+ for( i = 0; i < rColors.getLength(); i++ )
+ {
+ const uno::Sequence< double >& rColor( rColors[i] );
+ float stop = bReverseStops ? 1 - rStops[i] : rStops[i];
+ if( rColor.getLength() == 3 )
+ cairo_pattern_add_color_stop_rgb( pPattern, stop, rColor[0], rColor[1], rColor[2] );
+ else if( rColor.getLength() == 4 )
+ {
+ double alpha = rColor[3];
+ // cairo expects premultiplied alpha
+ cairo_pattern_add_color_stop_rgba( pPattern, stop, rColor[0]*alpha, rColor[1]*alpha, rColor[2]*alpha, alpha );
+ }
+ }
+ }
+
+ static uno::Sequence<double> lerp(const uno::Sequence<double>& rLeft, const uno::Sequence<double>& rRight, double fAlpha)
+ {
+ if( rLeft.getLength() == 3 )
+ {
+ return
+ {
+ basegfx::utils::lerp(rLeft[0],rRight[0],fAlpha),
+ basegfx::utils::lerp(rLeft[1],rRight[1],fAlpha),
+ basegfx::utils::lerp(rLeft[2],rRight[2],fAlpha)
+ };
+ }
+ else if( rLeft.getLength() == 4 )
+ {
+ return
+ {
+ basegfx::utils::lerp(rLeft[0],rRight[0],fAlpha),
+ basegfx::utils::lerp(rLeft[1],rRight[1],fAlpha),
+ basegfx::utils::lerp(rLeft[2],rRight[2],fAlpha),
+ basegfx::utils::lerp(rLeft[3],rRight[3],fAlpha)
+ };
+ }
+
+ return {};
+ }
+
+ static cairo_pattern_t* patternFromParametricPolyPolygon( ::canvas::ParametricPolyPolygon const & rPolygon )
+ {
+ cairo_pattern_t* pPattern = nullptr;
+ const ::canvas::ParametricPolyPolygon::Values aValues = rPolygon.getValues();
+ double x0, x1, y0, y1, cx, cy, r0, r1;
+
+ switch( aValues.meType )
+ {
+ case ::canvas::ParametricPolyPolygon::GradientType::Linear:
+ x0 = 0;
+ y0 = 0;
+ x1 = 1;
+ y1 = 0;
+ pPattern = cairo_pattern_create_linear( x0, y0, x1, y1 );
+ addColorStops( pPattern, aValues.maColors, aValues.maStops, false );
+ break;
+
+ case ::canvas::ParametricPolyPolygon::GradientType::Elliptical:
+ cx = 0;
+ cy = 0;
+ r0 = 0;
+ r1 = 1;
+
+ pPattern = cairo_pattern_create_radial( cx, cy, r0, cy, cy, r1 );
+ addColorStops( pPattern, aValues.maColors, aValues.maStops, true );
+ break;
+ default:
+ break;
+ }
+
+ return pPattern;
+ }
+
+ static void doOperation( Operation aOperation,
+ cairo_t* pCairo,
+ const uno::Sequence< rendering::Texture >* pTextures,
+ const SurfaceProviderRef& pDevice,
+ const basegfx::B2DRange& rBounds )
+ {
+ switch( aOperation )
+ {
+ case Fill:
+ /* TODO: multitexturing */
+ if( pTextures )
+ {
+ const css::rendering::Texture& aTexture ( (*pTextures)[0] );
+ if( aTexture.Bitmap.is() )
+ {
+ unsigned char* data = nullptr;
+ bool bHasAlpha = false;
+ SurfaceSharedPtr pSurface = surfaceFromXBitmap( (*pTextures)[0].Bitmap, pDevice, data, bHasAlpha );
+
+ if( pSurface )
+ {
+ cairo_pattern_t* pPattern;
+
+ cairo_save( pCairo );
+
+ css::geometry::AffineMatrix2D aTransform( aTexture.AffineTransform );
+ cairo_matrix_t aScaleMatrix, aTextureMatrix, aScaledTextureMatrix;
+
+ cairo_matrix_init( &aTextureMatrix,
+ aTransform.m00, aTransform.m10, aTransform.m01,
+ aTransform.m11, aTransform.m02, aTransform.m12);
+
+ geometry::IntegerSize2D aSize = aTexture.Bitmap->getSize();
+
+ cairo_matrix_init_scale( &aScaleMatrix, 1.0/aSize.Width, 1.0/aSize.Height );
+ cairo_matrix_multiply( &aScaledTextureMatrix, &aTextureMatrix, &aScaleMatrix );
+ cairo_matrix_invert( &aScaledTextureMatrix );
+
+ // we don't care about repeat mode yet, so the workaround is disabled for now
+ pPattern = cairo_pattern_create_for_surface( pSurface->getCairoSurface().get() );
+
+ if( aTexture.RepeatModeX == rendering::TexturingMode::REPEAT &&
+ aTexture.RepeatModeY == rendering::TexturingMode::REPEAT )
+ {
+ cairo_pattern_set_extend( pPattern, CAIRO_EXTEND_REPEAT );
+ }
+ else if ( aTexture.RepeatModeX == rendering::TexturingMode::NONE &&
+ aTexture.RepeatModeY == rendering::TexturingMode::NONE )
+ {
+ cairo_pattern_set_extend( pPattern, CAIRO_EXTEND_NONE );
+ }
+ else if ( aTexture.RepeatModeX == rendering::TexturingMode::CLAMP &&
+ aTexture.RepeatModeY == rendering::TexturingMode::CLAMP )
+ {
+ cairo_pattern_set_extend( pPattern, CAIRO_EXTEND_PAD );
+ }
+
+ aScaledTextureMatrix.x0 = basegfx::fround( aScaledTextureMatrix.x0 );
+ aScaledTextureMatrix.y0 = basegfx::fround( aScaledTextureMatrix.y0 );
+
+ double x1, y1, x2, y2;
+ cairo_path_extents(pCairo, &x1, &y1, &x2, &y2);
+ aScaledTextureMatrix.x0 -= (x1 * aScaledTextureMatrix.xx);
+ aScaledTextureMatrix.y0 -= (y1 * aScaledTextureMatrix.yy);
+
+ cairo_pattern_set_matrix( pPattern, &aScaledTextureMatrix );
+
+ cairo_set_source( pCairo, pPattern );
+ if( !bHasAlpha )
+ cairo_set_operator( pCairo, CAIRO_OPERATOR_SOURCE );
+ cairo_fill( pCairo );
+
+ cairo_restore( pCairo );
+
+ cairo_pattern_destroy( pPattern );
+ }
+
+ if( data )
+ free( data );
+ }
+ else if( aTexture.Gradient.is() )
+ {
+ uno::Reference< lang::XServiceInfo > xRef( aTexture.Gradient, uno::UNO_QUERY );
+
+ SAL_INFO( "canvas.cairo", "gradient fill" );
+ if( xRef.is() && xRef->getImplementationName() == PARAMETRICPOLYPOLYGON_IMPLEMENTATION_NAME )
+ {
+ // TODO(Q1): Maybe use dynamic_cast here
+
+ // TODO(E1): Return value
+ // TODO(F1): FillRule
+ SAL_INFO( "canvas.cairo", "known implementation" );
+
+ ::canvas::ParametricPolyPolygon* pPolyImpl = static_cast< ::canvas::ParametricPolyPolygon* >( aTexture.Gradient.get() );
+ css::geometry::AffineMatrix2D aTransform( aTexture.AffineTransform );
+ cairo_matrix_t aTextureMatrix;
+
+ cairo_matrix_init( &aTextureMatrix,
+ aTransform.m00, aTransform.m10, aTransform.m01,
+ aTransform.m11, aTransform.m02, aTransform.m12);
+ if( pPolyImpl->getValues().meType == canvas::ParametricPolyPolygon::GradientType::Rectangular )
+ {
+ // no general path gradient yet in cairo; emulate then
+ cairo_save( pCairo );
+ cairo_clip( pCairo );
+
+ // fill bound rect with start color
+ cairo_rectangle( pCairo, rBounds.getMinX(), rBounds.getMinY(),
+ rBounds.getWidth(), rBounds.getHeight() );
+ setColor(pCairo,pPolyImpl->getValues().maColors[0]);
+ cairo_fill(pCairo);
+
+ cairo_transform( pCairo, &aTextureMatrix );
+
+ // longest line in gradient bound rect
+ const unsigned int nGradientSize(
+ static_cast<unsigned int>(
+ ::basegfx::B2DVector(rBounds.getMinimum() - rBounds.getMaximum()).getLength() + 1.0 ) );
+
+ // typical number for pixel of the same color (strip size)
+ const unsigned int nStripSize( nGradientSize < 50 ? 2 : 4 );
+
+ // use at least three steps, and at utmost the number of color
+ // steps
+ const unsigned int nStepCount(
+ std::max(
+ 3U,
+ std::min(
+ nGradientSize / nStripSize,
+ 128U )) + 1 );
+
+ const uno::Sequence<double>* pColors=&pPolyImpl->getValues().maColors[0];
+ basegfx::utils::KeyStopLerp aLerper(pPolyImpl->getValues().maStops);
+ for( unsigned int i=1; i<nStepCount; ++i )
+ {
+ const double fT( i/double(nStepCount) );
+
+ std::ptrdiff_t nIndex;
+ double fAlpha;
+ std::tie(nIndex,fAlpha)=aLerper.lerp(fT);
+
+ setColor(pCairo, lerp(pColors[nIndex], pColors[nIndex+1], fAlpha));
+ cairo_rectangle( pCairo, -1+fT, -1+fT, 2-2*fT, 2-2*fT );
+ cairo_fill(pCairo);
+ }
+
+ cairo_restore( pCairo );
+ }
+ else
+ {
+ cairo_pattern_t* pPattern = patternFromParametricPolyPolygon( *pPolyImpl );
+
+ if( pPattern )
+ {
+ SAL_INFO( "canvas.cairo", "filling with pattern" );
+
+ cairo_save( pCairo );
+
+ cairo_transform( pCairo, &aTextureMatrix );
+ cairo_set_source( pCairo, pPattern );
+ cairo_fill( pCairo );
+ cairo_restore( pCairo );
+
+ cairo_pattern_destroy( pPattern );
+ }
+ }
+ }
+ }
+ }
+ else
+ cairo_fill( pCairo );
+ SAL_INFO( "canvas.cairo", "fill");
+ break;
+ case Stroke:
+ cairo_stroke( pCairo );
+ SAL_INFO( "canvas.cairo", "stroke");
+ break;
+ case Clip:
+ cairo_clip( pCairo );
+ SAL_INFO( "canvas.cairo", "clip");
+ break;
+ }
+ }
+
+ static void clipNULL( cairo_t *pCairo )
+ {
+ SAL_INFO( "canvas.cairo", "clipNULL");
+ cairo_matrix_t aOrigMatrix, aIdentityMatrix;
+
+ /* we set identity matrix here to overcome bug in cairo 0.9.2
+ where XCreatePixmap is called with zero width and height.
+
+ it also reaches faster path in cairo clipping code.
+ */
+ cairo_matrix_init_identity( &aIdentityMatrix );
+ cairo_get_matrix( pCairo, &aOrigMatrix );
+ cairo_set_matrix( pCairo, &aIdentityMatrix );
+
+ cairo_reset_clip( pCairo );
+ cairo_rectangle( pCairo, 0, 0, 1, 1 );
+ cairo_clip( pCairo );
+ cairo_rectangle( pCairo, 2, 0, 1, 1 );
+ cairo_clip( pCairo );
+
+ /* restore the original matrix */
+ cairo_set_matrix( pCairo, &aOrigMatrix );
+ }
+
+ void doPolyPolygonImplementation( const ::basegfx::B2DPolyPolygon& aPolyPolygon,
+ Operation aOperation,
+ cairo_t* pCairo,
+ const uno::Sequence< rendering::Texture >* pTextures,
+ const SurfaceProviderRef& pDevice,
+ rendering::FillRule eFillrule )
+ {
+ if( pTextures )
+ ENSURE_ARG_OR_THROW( pTextures->hasElements(),
+ "CanvasHelper::fillTexturedPolyPolygon: empty texture sequence");
+
+ bool bOpToDo = false;
+ cairo_matrix_t aOrigMatrix, aIdentityMatrix;
+ double nX, nY, nBX, nBY, nAX, nAY, nLastX(0.0), nLastY(0.0);
+
+ cairo_get_matrix( pCairo, &aOrigMatrix );
+ cairo_matrix_init_identity( &aIdentityMatrix );
+ cairo_set_matrix( pCairo, &aIdentityMatrix );
+
+ cairo_set_fill_rule( pCairo,
+ eFillrule == rendering::FillRule_EVEN_ODD ?
+ CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING );
+
+ for( sal_uInt32 nPolygonIndex = 0; nPolygonIndex < aPolyPolygon.count(); nPolygonIndex++ )
+ {
+ const ::basegfx::B2DPolygon& aPolygon( aPolyPolygon.getB2DPolygon( nPolygonIndex ) );
+ const sal_uInt32 nPointCount( aPolygon.count() );
+ // to correctly render closed curves, need to output first
+ // point twice (so output one additional point)
+ const sal_uInt32 nExtendedPointCount( nPointCount +
+ int(aPolygon.isClosed() && aPolygon.areControlPointsUsed()) );
+
+ if( nPointCount > 1)
+ {
+ bool bIsBezier = aPolygon.areControlPointsUsed();
+ ::basegfx::B2DPoint aA, aB, aP;
+
+ for( sal_uInt32 j=0; j < nExtendedPointCount; j++ )
+ {
+ aP = aPolygon.getB2DPoint( j % nPointCount );
+
+ nX = aP.getX();
+ nY = aP.getY();
+ cairo_matrix_transform_point( &aOrigMatrix, &nX, &nY );
+
+ if (!bIsBezier && aOperation == Clip)
+ {
+ nX = basegfx::fround( nX );
+ nY = basegfx::fround( nY );
+ }
+
+ if( aOperation == Stroke )
+ {
+ nX += 0.5;
+ nY += 0.5;
+ }
+
+ if( j==0 )
+ {
+ cairo_move_to( pCairo, nX, nY );
+ SAL_INFO( "canvas.cairo", "move to " << nX << "," << nY );
+ }
+ else
+ {
+ if( bIsBezier )
+ {
+ aA = aPolygon.getNextControlPoint( (j-1) % nPointCount );
+ aB = aPolygon.getPrevControlPoint( j % nPointCount );
+
+ nAX = aA.getX();
+ nAY = aA.getY();
+ nBX = aB.getX();
+ nBY = aB.getY();
+
+ cairo_matrix_transform_point( &aOrigMatrix, &nAX, &nAY );
+ cairo_matrix_transform_point( &aOrigMatrix, &nBX, &nBY );
+
+ if( aOperation == Stroke )
+ {
+ nAX += 0.5;
+ nAY += 0.5;
+ nBX += 0.5;
+ nBY += 0.5;
+ }
+
+ // tdf#99165 if the control points are 'empty', create the mathematical
+ // correct replacement ones to avoid problems with the graphical sub-system
+ // tdf#101026 The 1st attempt to create a mathematically correct replacement control
+ // vector was wrong. Best alternative is one as close as possible which means short.
+ if (basegfx::fTools::equal(nAX, nLastX) && basegfx::fTools::equal(nAY, nLastY))
+ {
+ nAX = nLastX + ((nBX - nLastX) * 0.0005);
+ nAY = nLastY + ((nBY - nLastY) * 0.0005);
+ }
+
+ if(basegfx::fTools::equal(nBX, nX) && basegfx::fTools::equal(nBY, nY))
+ {
+ nBX = nX + ((nAX - nX) * 0.0005);
+ nBY = nY + ((nAY - nY) * 0.0005);
+ }
+
+ cairo_curve_to( pCairo, nAX, nAY, nBX, nBY, nX, nY );
+ }
+ else
+ {
+ cairo_line_to( pCairo, nX, nY );
+ SAL_INFO( "canvas.cairo", "line to " << nX << "," << nY );
+ }
+ bOpToDo = true;
+ }
+
+ nLastX = nX;
+ nLastY = nY;
+ }
+
+ if( aPolygon.isClosed() )
+ cairo_close_path( pCairo );
+
+ }
+ else
+ {
+ SAL_INFO( "canvas.cairo", "empty polygon for op: " << aOperation );
+ if( aOperation == Clip )
+ {
+ clipNULL( pCairo );
+
+ return;
+ }
+ }
+ }
+
+ if( aOperation == Fill && pTextures )
+ {
+ cairo_set_matrix( pCairo, &aOrigMatrix );
+ doOperation( aOperation, pCairo, pTextures, pDevice, aPolyPolygon.getB2DRange() );
+ cairo_set_matrix( pCairo, &aIdentityMatrix );
+ }
+
+ if( bOpToDo && ( aOperation != Fill || !pTextures ) )
+ doOperation( aOperation, pCairo, pTextures, pDevice, aPolyPolygon.getB2DRange() );
+
+ cairo_set_matrix( pCairo, &aOrigMatrix );
+
+ if( aPolyPolygon.count() == 0 && aOperation == Clip )
+ clipNULL( pCairo );
+ }
+
+ void CanvasHelper::doPolyPolygonPath( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ Operation aOperation,
+ bool bNoLineJoin,
+ const uno::Sequence< rendering::Texture >* pTextures ) const
+ {
+ const ::basegfx::B2DPolyPolygon& rPolyPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPolyPolygon) );
+
+ cairo_t* pCairo = mpCairo.get();
+
+ if(bNoLineJoin && aOperation == Stroke)
+ {
+ // emulate rendering::PathJoinType::NONE by painting single edges
+ for(sal_uInt32 a(0); a < rPolyPoly.count(); a++)
+ {
+ const basegfx::B2DPolygon& aCandidate(rPolyPoly.getB2DPolygon(a));
+ const sal_uInt32 nPointCount(aCandidate.count());
+
+ if(nPointCount)
+ {
+ const sal_uInt32 nEdgeCount(aCandidate.isClosed() ? nPointCount: nPointCount - 1);
+ basegfx::B2DPolygon aEdge;
+ aEdge.append(aCandidate.getB2DPoint(0));
+ aEdge.append(basegfx::B2DPoint(0.0, 0.0));
+
+ for(sal_uInt32 b(0); b < nEdgeCount; b++)
+ {
+ const sal_uInt32 nNextIndex((b + 1) % nPointCount);
+ aEdge.setB2DPoint(1, aCandidate.getB2DPoint(nNextIndex));
+ aEdge.setNextControlPoint(0, aCandidate.getNextControlPoint(b % nPointCount));
+ aEdge.setPrevControlPoint(1, aCandidate.getPrevControlPoint(nNextIndex));
+
+ doPolyPolygonImplementation( basegfx::B2DPolyPolygon(aEdge),
+ aOperation,
+ pCairo, pTextures,
+ mpSurfaceProvider,
+ xPolyPolygon->getFillRule() );
+
+ // prepare next step
+ aEdge.setB2DPoint(0, aEdge.getB2DPoint(1));
+ }
+ }
+ }
+ }
+ else
+ {
+ doPolyPolygonImplementation( rPolyPoly, aOperation,
+ pCairo, pTextures,
+ mpSurfaceProvider,
+ xPolyPolygon->getFillRule() );
+ }
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ if( mpCairo )
+ {
+ cairo_save( mpCairo.get() );
+
+ cairo_set_line_width( mpCairo.get(), 1 );
+
+ useStates( viewState, renderState, true );
+ doPolyPolygonPath( xPolyPolygon, Stroke );
+
+ cairo_restore( mpCairo.get() );
+ }
+ else
+ SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "drawPolyPolygon" );
+#endif
+
+ 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 )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ if( mpCairo )
+ {
+ cairo_save( mpCairo.get() );
+
+ useStates( viewState, renderState, true );
+
+ cairo_matrix_t aMatrix;
+ cairo_get_matrix( mpCairo.get(), &aMatrix );
+ double scaleFactorX = 1;
+ double scaleFactorY = 0;
+ cairo_matrix_transform_distance( &aMatrix, &scaleFactorX, &scaleFactorY );
+ double scaleFactor = basegfx::B2DVector( scaleFactorX, scaleFactorY ).getLength();
+ cairo_set_line_width( mpCairo.get(), strokeAttributes.StrokeWidth * scaleFactor );
+
+ cairo_set_miter_limit( mpCairo.get(), strokeAttributes.MiterLimit );
+
+ // FIXME: cairo doesn't handle end cap so far (rodo)
+ switch( strokeAttributes.StartCapType )
+ {
+ case rendering::PathCapType::BUTT:
+ cairo_set_line_cap( mpCairo.get(), CAIRO_LINE_CAP_BUTT );
+ break;
+ case rendering::PathCapType::ROUND:
+ cairo_set_line_cap( mpCairo.get(), CAIRO_LINE_CAP_ROUND );
+ break;
+ case rendering::PathCapType::SQUARE:
+ cairo_set_line_cap( mpCairo.get(), CAIRO_LINE_CAP_SQUARE );
+ break;
+ }
+
+ bool bNoLineJoin(false);
+
+ switch( strokeAttributes.JoinType )
+ {
+ case rendering::PathJoinType::NONE:
+ bNoLineJoin = true;
+ [[fallthrough]]; // cairo doesn't have join type NONE so we use MITER as it's pretty close
+ case rendering::PathJoinType::MITER:
+ cairo_set_line_join( mpCairo.get(), CAIRO_LINE_JOIN_MITER );
+ break;
+ case rendering::PathJoinType::ROUND:
+ cairo_set_line_join( mpCairo.get(), CAIRO_LINE_JOIN_ROUND );
+ break;
+ case rendering::PathJoinType::BEVEL:
+ cairo_set_line_join( mpCairo.get(), CAIRO_LINE_JOIN_BEVEL );
+ break;
+ }
+
+ //tdf#103026 If the scaling is 0, then all dashes become zero so
+ //cairo will set the cairo_t status to CAIRO_STATUS_INVALID_DASH
+ //and no further drawing will occur
+ if (strokeAttributes.DashArray.hasElements() && scaleFactor > 0.0)
+ {
+ auto aDashArray(comphelper::sequenceToContainer<std::vector<double>>(strokeAttributes.DashArray));
+ for (auto& rDash : aDashArray)
+ rDash *= scaleFactor;
+ cairo_set_dash(mpCairo.get(), aDashArray.data(), aDashArray.size(), 0);
+ }
+
+ // TODO(rodo) use LineArray of strokeAttributes
+
+ doPolyPolygonPath( xPolyPolygon, Stroke, bNoLineJoin );
+
+ cairo_restore( mpCairo.get() );
+ }
+ else
+ SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "strokePolyPolygon" );
+#endif
+
+ // 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 >& /*xPolyPolygon*/,
+ const rendering::ViewState& /*viewState*/,
+ const rendering::RenderState& /*renderState*/,
+ const uno::Sequence< rendering::Texture >& /*textures*/,
+ const rendering::StrokeAttributes& /*strokeAttributes*/ )
+ {
+ // TODO
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTextureMappedPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
+ const rendering::ViewState& /*viewState*/,
+ const rendering::RenderState& /*renderState*/,
+ const uno::Sequence< rendering::Texture >& /*textures*/,
+ const uno::Reference< geometry::XMapping2D >& /*xMapping*/,
+ const rendering::StrokeAttributes& /*strokeAttributes*/ )
+ {
+ // TODO
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > CanvasHelper::queryStrokeShapes( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
+ const rendering::ViewState& /*viewState*/,
+ const rendering::RenderState& /*renderState*/,
+ const rendering::StrokeAttributes& /*strokeAttributes*/ )
+ {
+ // TODO
+ 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 )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ if( mpCairo )
+ {
+ cairo_save( mpCairo.get() );
+
+ useStates( viewState, renderState, true );
+ doPolyPolygonPath( xPolyPolygon, Fill );
+
+ cairo_restore( mpCairo.get() );
+ }
+ else
+ SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "fillPolyPolygon" );
+#endif
+
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTexturedPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const uno::Sequence< rendering::Texture >& textures )
+ {
+ if( mpCairo )
+ {
+ cairo_save( mpCairo.get() );
+
+ useStates( viewState, renderState, true );
+ doPolyPolygonPath( xPolyPolygon, Fill, false, &textures );
+
+ cairo_restore( mpCairo.get() );
+ }
+
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTextureMappedPolyPolygon( const rendering::XCanvas* ,
+ const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
+ const rendering::ViewState& /*viewState*/,
+ const rendering::RenderState& /*renderState*/,
+ const uno::Sequence< rendering::Texture >& /*textures*/,
+ const uno::Reference< geometry::XMapping2D >& /*xMapping*/ )
+ {
+ // TODO
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::implDrawBitmapSurface( const rendering::XCanvas* pCanvas,
+ const SurfaceSharedPtr& pInputSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const geometry::IntegerSize2D& rSize,
+ bool bModulateColors,
+ bool bHasAlpha )
+ {
+ SurfaceSharedPtr pSurface=pInputSurface;
+ uno::Reference< rendering::XCachedPrimitive > rv;
+ geometry::IntegerSize2D aBitmapSize = rSize;
+
+ if( mpCairo )
+ {
+ cairo_save( mpCairo.get() );
+
+ cairo_rectangle( mpCairo.get(), 0, 0, maSize.getX(), maSize.getY() );
+ cairo_clip( mpCairo.get() );
+
+ useStates( viewState, renderState, true );
+
+ cairo_matrix_t aMatrix;
+
+ cairo_get_matrix( mpCairo.get(), &aMatrix );
+ if( ! ::rtl::math::approxEqual( aMatrix.xx, 1 ) &&
+ ! ::rtl::math::approxEqual( aMatrix.yy, 1 ) &&
+ ::rtl::math::approxEqual( aMatrix.x0, 0 ) &&
+ ::rtl::math::approxEqual( aMatrix.y0, 0 ) &&
+ basegfx::fround( rSize.Width * aMatrix.xx ) > 8 &&
+ basegfx::fround( rSize.Height* aMatrix.yy ) > 8 )
+ {
+ double dWidth, dHeight;
+
+ dWidth = basegfx::fround( rSize.Width * aMatrix.xx );
+ dHeight = basegfx::fround( rSize.Height* aMatrix.yy );
+ aBitmapSize.Width = static_cast<sal_Int32>( dWidth );
+ aBitmapSize.Height = static_cast<sal_Int32>( dHeight );
+
+ SurfaceSharedPtr pScaledSurface = mpSurfaceProvider->createSurface(
+ ::basegfx::B2ISize( aBitmapSize.Width, aBitmapSize.Height ),
+ bHasAlpha ? CAIRO_CONTENT_COLOR_ALPHA : CAIRO_CONTENT_COLOR );
+ CairoSharedPtr pCairo = pScaledSurface->getCairo();
+
+ cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
+ // add 0.5px to size to avoid rounding errors in cairo, leading sometimes to random data on the image right/bottom borders
+ cairo_scale( pCairo.get(), (dWidth+0.5)/rSize.Width, (dHeight+0.5)/rSize.Height );
+ cairo_set_source_surface( pCairo.get(), pSurface->getCairoSurface().get(), 0, 0 );
+ cairo_paint( pCairo.get() );
+
+ pSurface = pScaledSurface;
+
+ aMatrix.xx = aMatrix.yy = 1;
+ cairo_set_matrix( mpCairo.get(), &aMatrix );
+
+ rv.set(
+ new CachedBitmap( pSurface, viewState, renderState,
+ // cast away const, need to
+ // change refcount (as this is
+ // ~invisible to client code,
+ // still logically const)
+ const_cast< rendering::XCanvas* >(pCanvas)) );
+ }
+
+ if( !bHasAlpha && mbHaveAlpha )
+ {
+ double x, y, width, height;
+
+ x = y = 0;
+ width = aBitmapSize.Width;
+ height = aBitmapSize.Height;
+ cairo_matrix_transform_point( &aMatrix, &x, &y );
+ cairo_matrix_transform_distance( &aMatrix, &width, &height );
+
+ // in case the bitmap doesn't have alpha and covers whole area
+ // we try to change surface to plain rgb
+ SAL_INFO( "canvas.cairo","chance to change surface to rgb, " << x << ", " << y << ", " << width << " x " << height << " (" << maSize.getX() << " x " << maSize.getY() << ")" );
+ if( x <= 0 && y <= 0 && x + width >= maSize.getX() && y + height >= maSize.getY() )
+ {
+ SAL_INFO( "canvas.cairo","trying to change surface to rgb");
+ if( mpSurfaceProvider ) {
+ SurfaceSharedPtr pNewSurface = mpSurfaceProvider->changeSurface();
+
+ if( pNewSurface )
+ setSurface( pNewSurface, false );
+
+ // set state to new mpCairo.get()
+ useStates( viewState, renderState, true );
+ // use the possibly modified matrix
+ cairo_set_matrix( mpCairo.get(), &aMatrix );
+ }
+ }
+ }
+
+ cairo_set_source_surface( mpCairo.get(), pSurface->getCairoSurface().get(), 0, 0 );
+ if( !bHasAlpha &&
+ ::rtl::math::approxEqual( aMatrix.xx, 1 ) &&
+ ::rtl::math::approxEqual( aMatrix.yy, 1 ) &&
+ ::rtl::math::approxEqual( aMatrix.x0, 0 ) &&
+ ::rtl::math::approxEqual( aMatrix.y0, 0 ) )
+ cairo_set_operator( mpCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_pattern_set_extend( cairo_get_source(mpCairo.get()), CAIRO_EXTEND_PAD );
+ cairo_rectangle( mpCairo.get(), 0, 0, aBitmapSize.Width, aBitmapSize.Height );
+ cairo_clip( mpCairo.get() );
+
+ // Use cairo_matrix_transform_distance() to determine the scaling, as that works even if
+ // the matrix also has rotation.
+ double fPixelWidth = rSize.Width;
+ double fPixelHeight = rSize.Height;
+ cairo_matrix_transform_distance(&aMatrix, &fPixelWidth, &fPixelHeight);
+ int nPixelWidth = std::round(fPixelWidth);
+ int nPixelHeight = std::round(fPixelHeight);
+ if (std::abs(nPixelWidth) > 0 && std::abs(nPixelHeight) > 0)
+ {
+ // Only render the image if it's at least 1x1 px sized.
+ if (bModulateColors)
+ cairo_paint_with_alpha(mpCairo.get(), renderState.DeviceColor[3]);
+ else
+ {
+ cairo_paint(mpCairo.get());
+ if (cairo_status(mpCairo.get()) != CAIRO_STATUS_SUCCESS)
+ {
+ SAL_WARN("canvas.cairo", "cairo_paint() failed: " << cairo_status_to_string(
+ cairo_status(mpCairo.get())));
+ }
+ }
+ }
+ cairo_restore( mpCairo.get() );
+ }
+ else
+ SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
+
+ return rv; // uno::Reference< rendering::XCachedPrimitive >(NULL);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmap( const rendering::XCanvas* pCanvas,
+ const uno::Reference< rendering::XBitmap >& xBitmap,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ uno::Reference< rendering::XCachedPrimitive > rv;
+ unsigned char* data = nullptr;
+ bool bHasAlpha = false;
+ SurfaceSharedPtr pSurface = surfaceFromXBitmap( xBitmap, mpSurfaceProvider, data, bHasAlpha );
+ geometry::IntegerSize2D aSize = xBitmap->getSize();
+
+ if( pSurface )
+ {
+ rv = implDrawBitmapSurface( pCanvas, pSurface, viewState, renderState, aSize, false, bHasAlpha );
+
+ if( data )
+ free( data );
+ }
+ else
+ rv.set(nullptr);
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "drawBitmap" );
+#endif
+
+ return rv;
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmapModulated( const rendering::XCanvas* pCanvas,
+ const uno::Reference< rendering::XBitmap >& xBitmap,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ uno::Reference< rendering::XCachedPrimitive > rv;
+ unsigned char* data = nullptr;
+ bool bHasAlpha = false;
+ SurfaceSharedPtr pSurface = surfaceFromXBitmap( xBitmap, mpSurfaceProvider, data, bHasAlpha );
+ geometry::IntegerSize2D aSize = xBitmap->getSize();
+
+ if( pSurface )
+ {
+ rv = implDrawBitmapSurface( pCanvas, pSurface, viewState, renderState, aSize, true, bHasAlpha );
+
+ if( data )
+ free( data );
+ }
+ else
+ rv.set(nullptr);
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "drawBitmap" );
+#endif
+
+ return rv;
+ }
+
+
+ geometry::IntegerSize2D CanvasHelper::getSize() const
+ {
+ if( !mpSurfaceProvider )
+ return geometry::IntegerSize2D(1, 1); // we're disposed
+
+ return ::basegfx::unotools::integerSize2DFromB2ISize( maSize );
+ }
+
+ uno::Reference< rendering::XBitmap > CanvasHelper::getScaledBitmap( const geometry::RealSize2D& newSize,
+ bool /*beFast*/ )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ if( mpCairo )
+ {
+ return uno::Reference< rendering::XBitmap >( new CanvasBitmap( ::basegfx::B2ISize( ::canvas::tools::roundUp( newSize.Width ),
+ ::canvas::tools::roundUp( newSize.Height ) ),
+ mpSurfaceProvider, mpDevice, false ) );
+ }
+ else
+ SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "getScaledBitmap" );
+#endif
+
+ return uno::Reference< rendering::XBitmap >();
+ }
+
+ uno::Sequence< sal_Int8 > CanvasHelper::getData( rendering::IntegerBitmapLayout& aLayout,
+ const geometry::IntegerRectangle2D& rect )
+ {
+ if( mpCairo )
+ {
+ const sal_Int32 nWidth( rect.X2 - rect.X1 );
+ const sal_Int32 nHeight( rect.Y2 - rect.Y1 );
+ const cairo_format_t eFormat( mbHaveAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24 );
+ uno::Sequence< sal_Int8 > aRes( 4*nWidth*nHeight );
+ sal_Int8* pData = aRes.getArray();
+ cairo_surface_t* pImageSurface = cairo_image_surface_create_for_data( reinterpret_cast<unsigned char *>(pData),
+ eFormat,
+ nWidth, nHeight, 4*nWidth );
+ cairo_t* pCairo = cairo_create( pImageSurface );
+ cairo_set_source_surface( pCairo, mpSurface->getCairoSurface().get(), -rect.X1, -rect.Y1);
+ cairo_paint( pCairo );
+ cairo_destroy( pCairo );
+ cairo_surface_destroy( pImageSurface );
+
+ aLayout = impl_getMemoryLayout( nWidth, nHeight );
+
+ return aRes;
+ }
+
+ return uno::Sequence< sal_Int8 >();
+ }
+
+ uno::Sequence< sal_Int8 > CanvasHelper::getPixel( rendering::IntegerBitmapLayout& /*bitmapLayout*/,
+ const geometry::IntegerPoint2D& /*pos*/ )
+ {
+ return uno::Sequence< sal_Int8 >();
+ }
+
+ namespace
+ {
+ class CairoColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
+ {
+ private:
+ uno::Sequence< sal_Int8 > maComponentTags;
+ uno::Sequence< sal_Int32 > maBitCounts;
+
+ virtual ::sal_Int8 SAL_CALL getType( ) override
+ {
+ return rendering::ColorSpaceType::RGB;
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
+ {
+ return maComponentTags;
+ }
+ virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
+ {
+ return rendering::RenderingIntent::PERCEPTUAL;
+ }
+ virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
+ {
+ return uno::Sequence< beans::PropertyValue >();
+ }
+ virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ const double fAlpha(pIn[3]);
+ if( fAlpha == 0.0 )
+ *pOut++ = rendering::RGBColor(0.0, 0.0, 0.0);
+ else
+ *pOut++ = rendering::RGBColor(pIn[2]/fAlpha,pIn[1]/fAlpha,pIn[0]/fAlpha);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ const double fAlpha(pIn[3]);
+ if( fAlpha == 0.0 )
+ *pOut++ = rendering::ARGBColor(0.0, 0.0, 0.0, 0.0);
+ else
+ *pOut++ = rendering::ARGBColor(fAlpha,pIn[2]/fAlpha,pIn[1]/fAlpha,pIn[0]/fAlpha);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(pIn[3],pIn[2],pIn[1],pIn[1]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Blue;
+ *pColors++ = pIn->Green;
+ *pColors++ = pIn->Red;
+ *pColors++ = 1.0;
+ ++pIn;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Alpha*pIn->Blue;
+ *pColors++ = pIn->Alpha*pIn->Green;
+ *pColors++ = pIn->Alpha*pIn->Red;
+ *pColors++ = pIn->Alpha;
+ ++pIn;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Blue;
+ *pColors++ = pIn->Green;
+ *pColors++ = pIn->Red;
+ *pColors++ = pIn->Alpha;
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ // XIntegerBitmapColorSpace
+ virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
+ {
+ return 32;
+ }
+ virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
+ {
+ return maBitCounts;
+ }
+ virtual ::sal_Int8 SAL_CALL getEndianness( ) override
+ {
+ return util::Endianness::LITTLE;
+ }
+ virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<CairoColorSpace*>(targetColorSpace.get()) )
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence<double> aRes(nLen);
+ double* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ }
+ return aRes;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<CairoColorSpace*>(targetColorSpace.get()) )
+ {
+ // it's us, so simply pass-through the data
+ return deviceColor;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertIntegerFromARGB(aIntermediate);
+ }
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ const double fAlpha(static_cast<sal_uInt8>(pIn[3]));
+ if( fAlpha )
+ *pOut++ = rendering::RGBColor(
+ pIn[2]/fAlpha,
+ pIn[1]/fAlpha,
+ pIn[0]/fAlpha);
+ else
+ *pOut++ = rendering::RGBColor(0,0,0);
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ const double fAlpha(static_cast<sal_uInt8>(pIn[3]));
+ if( fAlpha )
+ *pOut++ = rendering::ARGBColor(
+ fAlpha/255.0,
+ pIn[2]/fAlpha,
+ pIn[1]/fAlpha,
+ pIn[0]/fAlpha);
+ else
+ *pOut++ = rendering::ARGBColor(0,0,0,0);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(
+ vcl::unotools::toDoubleColor(pIn[3]),
+ vcl::unotools::toDoubleColor(pIn[2]),
+ vcl::unotools::toDoubleColor(pIn[1]),
+ vcl::unotools::toDoubleColor(pIn[0]));
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = -1;
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const double fAlpha(pIn->Alpha);
+ *pColors++ = vcl::unotools::toByteColor(fAlpha*pIn->Blue);
+ *pColors++ = vcl::unotools::toByteColor(fAlpha*pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(fAlpha*pIn->Red);
+ *pColors++ = vcl::unotools::toByteColor(fAlpha);
+ ++pIn;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Alpha);
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ public:
+ CairoColorSpace() :
+ maComponentTags(4),
+ maBitCounts(4)
+ {
+ sal_Int8* pTags = maComponentTags.getArray();
+ sal_Int32* pBitCounts = maBitCounts.getArray();
+ pTags[0] = rendering::ColorComponentTag::RGB_BLUE;
+ pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
+ pTags[2] = rendering::ColorComponentTag::RGB_RED;
+ pTags[3] = rendering::ColorComponentTag::PREMULTIPLIED_ALPHA;
+
+ pBitCounts[0] =
+ pBitCounts[1] =
+ pBitCounts[2] =
+ pBitCounts[3] = 8;
+ }
+ };
+
+ class CairoNoAlphaColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
+ {
+ private:
+ uno::Sequence< sal_Int8 > maComponentTags;
+ uno::Sequence< sal_Int32 > maBitCounts;
+
+ virtual ::sal_Int8 SAL_CALL getType( ) override
+ {
+ return rendering::ColorSpaceType::RGB;
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
+ {
+ return maComponentTags;
+ }
+ virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
+ {
+ return rendering::RenderingIntent::PERCEPTUAL;
+ }
+ virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
+ {
+ return uno::Sequence< beans::PropertyValue >();
+ }
+ virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::RGBColor(pIn[2], pIn[1], pIn[0]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ uno::Sequence< rendering::ARGBColor > impl_convertToARGB( const uno::Sequence< double >& deviceColor )
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(1.0, pIn[2], pIn[1], pIn[0]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ return impl_convertToARGB( deviceColor );
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ return impl_convertToARGB( deviceColor );
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Blue;
+ *pColors++ = pIn->Green;
+ *pColors++ = pIn->Red;
+ *pColors++ = 1.0; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+ uno::Sequence< double > impl_convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor )
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Blue;
+ *pColors++ = pIn->Green;
+ *pColors++ = pIn->Red;
+ *pColors++ = 1.0; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ return impl_convertFromARGB( rgbColor );
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ return impl_convertFromARGB( rgbColor );
+ }
+
+ // XIntegerBitmapColorSpace
+ virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
+ {
+ return 32;
+ }
+ virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
+ {
+ return maBitCounts;
+ }
+ virtual ::sal_Int8 SAL_CALL getEndianness( ) override
+ {
+ return util::Endianness::LITTLE;
+ }
+ virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<CairoColorSpace*>(targetColorSpace.get()) )
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence<double> aRes(nLen);
+ double* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = 1.0; pIn++; // the value does not matter
+ }
+ return aRes;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<CairoNoAlphaColorSpace*>(targetColorSpace.get()) )
+ {
+ // it's us, so simply pass-through the data
+ return deviceColor;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertIntegerFromARGB(aIntermediate);
+ }
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::RGBColor( pIn[2], pIn[1], pIn[0] );
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
+ {
+ return impl_convertIntegerToARGB( deviceColor );
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
+ {
+ return impl_convertIntegerToARGB( deviceColor );
+ }
+ uno::Sequence< rendering::ARGBColor > impl_convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor )
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(
+ 1.0,
+ vcl::unotools::toDoubleColor(pIn[2]),
+ vcl::unotools::toDoubleColor(pIn[1]),
+ vcl::unotools::toDoubleColor(pIn[0]));
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = -1; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ return impl_convertIntegerFromARGB( rgbColor );
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ return impl_convertIntegerFromARGB( rgbColor );
+ }
+ uno::Sequence< ::sal_Int8 > impl_convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor )
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = -1; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ public:
+ CairoNoAlphaColorSpace() :
+ maComponentTags(3),
+ maBitCounts(3)
+ {
+ sal_Int8* pTags = maComponentTags.getArray();
+ sal_Int32* pBitCounts = maBitCounts.getArray();
+ pTags[0] = rendering::ColorComponentTag::RGB_BLUE;
+ pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
+ pTags[2] = rendering::ColorComponentTag::RGB_RED;
+
+ pBitCounts[0] =
+ pBitCounts[1] =
+ pBitCounts[2] = 8;
+ }
+ };
+
+ uno::Reference<rendering::XIntegerBitmapColorSpace>& GetCairoNoAlphaColorSpace()
+ {
+ static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new CairoNoAlphaColorSpace();
+ return SPACE;
+ };
+
+ uno::Reference<rendering::XIntegerBitmapColorSpace>& GetCairoColorSpace()
+ {
+ static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new CairoColorSpace();
+ return SPACE;
+ };
+
+ }
+
+ rendering::IntegerBitmapLayout CanvasHelper::getMemoryLayout()
+ {
+ if( !mpCairo )
+ return rendering::IntegerBitmapLayout(); // we're disposed
+
+ const geometry::IntegerSize2D aSize(getSize());
+
+ return impl_getMemoryLayout( aSize.Width, aSize.Height );
+ }
+
+ rendering::IntegerBitmapLayout
+ CanvasHelper::impl_getMemoryLayout( const sal_Int32 nWidth, const sal_Int32 nHeight )
+ {
+ rendering::IntegerBitmapLayout aLayout;
+
+ aLayout.ScanLines = nHeight;
+ aLayout.ScanLineBytes = nWidth*4;
+ aLayout.ScanLineStride = aLayout.ScanLineBytes;
+ aLayout.PlaneStride = 0;
+ aLayout.ColorSpace = mbHaveAlpha ? GetCairoColorSpace() : GetCairoNoAlphaColorSpace();
+ aLayout.Palette.clear();
+ aLayout.IsMsbFirst = false;
+
+ return aLayout;
+ }
+
+
+ bool CanvasHelper::repaint( const SurfaceSharedPtr& pSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ SAL_INFO( "canvas.cairo", "CanvasHelper::repaint");
+
+ if( !mpCairo )
+ return true;
+
+ cairo_save( mpCairo.get() );
+
+ cairo_rectangle( mpCairo.get(), 0, 0, maSize.getX(), maSize.getY() );
+ cairo_clip( mpCairo.get() );
+
+ useStates( viewState, renderState, true );
+
+ cairo_matrix_t aMatrix;
+
+ cairo_get_matrix( mpCairo.get(), &aMatrix );
+ aMatrix.xx = aMatrix.yy = 1;
+ cairo_set_matrix( mpCairo.get(), &aMatrix );
+
+ cairo_set_source_surface( mpCairo.get(), pSurface->getCairoSurface().get(), 0, 0 );
+ cairo_paint( mpCairo.get() );
+ cairo_restore( mpCairo.get() );
+
+ return true;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvashelper.hxx b/canvas/source/cairo/cairo_canvashelper.hxx
new file mode 100644
index 000000000..21dbf79d7
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvashelper.hxx
@@ -0,0 +1,271 @@
+/* -*- 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 <vcl/vclptr.hxx>
+#include <vcl/virdev.hxx>
+
+#include <vcl/cairo.hxx>
+#include "cairo_surfaceprovider.hxx"
+
+class VirtualDevice;
+
+namespace basegfx {
+ class B2DPolyPolygon;
+}
+
+namespace cairocanvas
+{
+ class SpriteCanvas;
+
+ enum Operation {
+ Stroke,
+ Fill,
+ Clip
+ };
+
+ class CanvasHelper
+ {
+ public:
+ /// make noncopyable
+ CanvasHelper(const CanvasHelper&) = delete;
+ const CanvasHelper& operator=(const CanvasHelper&) = delete;
+
+ CanvasHelper();
+
+ /// Release all references
+ void disposing();
+
+ /** Initialize canvas helper
+
+ This method late-initializes the canvas helper, providing
+ it with the necessary device and size. 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 rSizePixel
+ Size of the output surface in pixel.
+
+ @param rDevice
+ Reference device this canvas is associated with
+
+ */
+ void init( const ::basegfx::B2ISize& rSizePixel,
+ SurfaceProvider& rSurfaceProvider,
+ css::rendering::XGraphicDevice* pDevice );
+
+ void setSize( const ::basegfx::B2ISize& rSize );
+ void setSurface( const ::cairo::SurfaceSharedPtr& pSurface, bool bHasAlpha );
+
+ // CanvasHelper functionality
+ // ==========================
+
+ // XCanvas (only providing, not implementing the
+ // interface. Also note subtle method parameter differences)
+ void clear();
+ void drawLine( const css::rendering::XCanvas* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ const css::rendering::FontInfo& aFilter,
+ const css::uno::Sequence< css::beans::PropertyValue >& aFontProperties );
+
+ css::uno::Reference< css::rendering::XCachedPrimitive >
+ drawText( const css::rendering::XCanvas* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ 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* pCanvas,
+ const css::uno::Reference< css::rendering::XBitmap >& xBitmap,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+ css::uno::Reference< css::rendering::XGraphicDevice >
+ getDevice() { return css::uno::Reference< css::rendering::XGraphicDevice >(mpDevice); }
+
+ // BitmapCanvasHelper functionality
+ // ================================
+
+ 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();
+
+ void doPolyPolygonPath( const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon,
+ Operation aOperation,
+ bool bNoLineJoin = false,
+ const css::uno::Sequence< css::rendering::Texture >* pTextures=nullptr ) const;
+
+ css::uno::Reference< css::rendering::XCachedPrimitive > implDrawBitmapSurface(
+ const css::rendering::XCanvas* pCanvas,
+ const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ const css::geometry::IntegerSize2D& rSize,
+ bool bModulateColors,
+ bool bHasAlpha );
+
+ bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState );
+
+ protected:
+ /** Surface provider
+
+ Deliberately not a refcounted reference, because of
+ potential circular references for canvas. Provides us with
+ our output surface and associated functionality.
+ */
+ SurfaceProvider* mpSurfaceProvider;
+
+ /** Phyical output device
+
+ Deliberately not a refcounted reference, because of
+ potential circular references for spritecanvas.
+ */
+ css::rendering::XGraphicDevice* mpDevice;
+
+ private:
+
+ VclPtr<VirtualDevice> mpVirtualDevice;
+
+ void useStates( const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState,
+ bool setColor );
+
+ css::rendering::IntegerBitmapLayout impl_getMemoryLayout( sal_Int32 nWidth, sal_Int32 nHeight );
+
+ /// When true, content is able to represent alpha
+ bool mbHaveAlpha;
+
+ ::cairo::CairoSharedPtr mpCairo;
+ ::cairo::SurfaceSharedPtr mpSurface;
+ ::basegfx::B2ISize maSize;
+ };
+
+ /// also needed from SpriteHelper
+ void doPolyPolygonImplementation( const ::basegfx::B2DPolyPolygon& aPolyPolygon,
+ Operation aOperation,
+ cairo_t* pCairo,
+ const css::uno::Sequence< css::rendering::Texture >* pTextures,
+ const SurfaceProviderRef& pDevice,
+ css::rendering::FillRule eFillrule );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_canvashelper_text.cxx b/canvas/source/cairo/cairo_canvashelper_text.cxx
new file mode 100644
index 000000000..5f78bb71a
--- /dev/null
+++ b/canvas/source/cairo/cairo_canvashelper_text.cxx
@@ -0,0 +1,300 @@
+/* -*- 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/TextDirection.hpp>
+
+#include <rtl/math.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/canvastools.hxx>
+#include <vcl/metric.hxx>
+#include <vcl/virdev.hxx>
+
+#include <canvas/canvastools.hxx>
+#include <verifyinput.hxx>
+
+#include "cairo_canvasfont.hxx"
+#include "cairo_canvashelper.hxx"
+#include "cairo_textlayout.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ uno::Reference< rendering::XCanvasFont > CanvasHelper::createFont( const rendering::XCanvas* ,
+ const rendering::FontRequest& fontRequest,
+ const uno::Sequence< beans::PropertyValue >& extraFontProperties,
+ const geometry::Matrix2D& fontMatrix )
+ {
+ return uno::Reference< rendering::XCanvasFont >( new CanvasFont( fontRequest, extraFontProperties, fontMatrix, mpSurfaceProvider ));
+ }
+
+ uno::Sequence< rendering::FontInfo > CanvasHelper::queryAvailableFonts( const rendering::XCanvas* ,
+ const rendering::FontInfo& /*aFilter*/,
+ const uno::Sequence< beans::PropertyValue >& /*aFontProperties*/ )
+ {
+ // TODO
+ return uno::Sequence< rendering::FontInfo >();
+ }
+
+ static bool
+ setupFontTransform( ::OutputDevice const & rOutDev,
+ ::Point& o_rPoint,
+ vcl::Font& io_rVCLFont,
+ const rendering::ViewState& rViewState,
+ const rendering::RenderState& rRenderState )
+ {
+ ::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;
+ }
+
+ static void
+ setupOutDevState( OutputDevice& rOutDev,
+ const rendering::XCanvas* pOwner,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ ::canvas::tools::verifyInput( renderState,
+ __func__,
+ const_cast<rendering::XCanvas*>(pOwner), // only for refcount
+ 2,
+ 3 /* text */ );
+
+ // 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);
+
+ 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
+ aColor.SetAlpha(255);
+
+ rOutDev.SetTextColor( aColor );
+ }
+
+ namespace {
+
+ class DeviceSettingsGuard
+ {
+ private:
+ VclPtr<OutputDevice> mpVirtualDevice;
+ bool mbMappingWasEnabled;
+ public:
+ DeviceSettingsGuard(OutputDevice *pVirtualDevice)
+ : mpVirtualDevice(pVirtualDevice)
+ , mbMappingWasEnabled(mpVirtualDevice->IsMapModeEnabled())
+ {
+ mpVirtualDevice->Push();
+ mpVirtualDevice->EnableMapMode(false);
+ }
+
+ ~DeviceSettingsGuard()
+ {
+ mpVirtualDevice->EnableMapMode(mbMappingWasEnabled);
+ mpVirtualDevice->Pop();
+ }
+ };
+
+ }
+
+ static bool setupTextOutput( OutputDevice& rOutDev,
+ const rendering::XCanvas* pOwner,
+ ::Point& o_rOutPos,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const uno::Reference< rendering::XCanvasFont >& xFont )
+ {
+ setupOutDevState( rOutDev, pOwner, viewState, renderState );
+
+ CanvasFont* pFont = dynamic_cast< CanvasFont* >( xFont.get() );
+
+ ENSURE_ARG_OR_THROW( pFont,
+ "CanvasHelper::setupTextOutput(): 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( !setupFontTransform( rOutDev, o_rOutPos, aVCLFont, viewState, renderState ) )
+ return false;
+
+ rOutDev.SetFont( aVCLFont );
+
+ return true;
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawText( const rendering::XCanvas* pOwner,
+ const rendering::StringContext& text,
+ const uno::Reference< rendering::XCanvasFont >& xFont,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ sal_Int8 textDirection )
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ ENSURE_ARG_OR_THROW( xFont.is(),
+ "CanvasHelper::drawText(): font is NULL");
+
+ if( !mpVirtualDevice )
+ mpVirtualDevice = mpSurface->createVirtualDevice();
+
+ if( mpVirtualDevice )
+ {
+ DeviceSettingsGuard aGuard(mpVirtualDevice.get());
+
+ ::Point aOutpos;
+ if( !setupTextOutput( *mpVirtualDevice, pOwner, 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
+ mpVirtualDevice->SetLayoutMode( nLayoutMode );
+
+ rtl::Reference pTextLayout( new TextLayout(text, textDirection, 0, CanvasFont::Reference(dynamic_cast< CanvasFont* >( xFont.get() )), mpSurfaceProvider) );
+ pTextLayout->draw(*mpVirtualDevice, aOutpos, viewState, renderState);
+ }
+
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+ uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawTextLayout( const rendering::XCanvas* pOwner,
+ const uno::Reference< rendering::XTextLayout >& xLayoutedText,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ ENSURE_ARG_OR_THROW( xLayoutedText.is(),
+ "CanvasHelper::drawTextLayout(): layout is NULL");
+
+ TextLayout* pTextLayout = dynamic_cast< TextLayout* >( xLayoutedText.get() );
+
+ if( pTextLayout )
+ {
+ if( !mpVirtualDevice )
+ mpVirtualDevice = mpSurface->createVirtualDevice();
+
+ if( mpVirtualDevice )
+ {
+ DeviceSettingsGuard aGuard(mpVirtualDevice.get());
+
+ // 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( *mpVirtualDevice, pOwner, aOutpos, viewState, renderState, xLayoutedText->getFont() ) )
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr); // no output necessary
+
+ // TODO(F2): What about the offset scalings?
+ pTextLayout->draw(*mpVirtualDevice, aOutpos, viewState, renderState);
+ }
+ }
+ else
+ {
+ ENSURE_ARG_OR_THROW( false,
+ "CanvasHelper::drawTextLayout(): TextLayout not compatible with this canvas" );
+ }
+
+ return uno::Reference< rendering::XCachedPrimitive >(nullptr);
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_devicehelper.cxx b/canvas/source/cairo/cairo_devicehelper.cxx
new file mode 100644
index 000000000..5dacea7ae
--- /dev/null
+++ b/canvas/source/cairo/cairo_devicehelper.cxx
@@ -0,0 +1,257 @@
+/* -*- 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/utils/canvastools.hxx>
+#include <basegfx/utils/unopolypolygon.hxx>
+#include <tools/stream.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/dibtools.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include "cairo_canvasbitmap.hxx"
+#include "cairo_devicehelper.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ DeviceHelper::DeviceHelper() :
+ mpSurfaceProvider( nullptr ),
+ mpRefDevice( nullptr )
+ {
+ }
+
+ void DeviceHelper::implInit( SurfaceProvider& rSurfaceProvider,
+ OutputDevice& rRefDevice )
+ {
+ mpSurfaceProvider = &rSurfaceProvider;
+ mpRefDevice = &rRefDevice;
+
+ // no own surface, this is handled by derived classes
+ }
+
+ void DeviceHelper::init( SurfaceProvider& rSurfaceProvider,
+ OutputDevice& rRefDevice )
+ {
+ implInit(rSurfaceProvider, rRefDevice);
+
+ OutputDevice* pOutDev = getOutputDevice();
+ mpSurface = pOutDev->CreateSurface(pOutDev->GetOutOffXPixel(),
+ pOutDev->GetOutOffYPixel(),
+ pOutDev->GetOutputWidthPixel(),
+ pOutDev->GetOutputHeightPixel());
+ }
+
+ void DeviceHelper::disposing()
+ {
+ // release all references
+ mpSurface.reset();
+ mpRefDevice = nullptr;
+ mpSurfaceProvider = nullptr;
+ }
+
+ void DeviceHelper::setSize( const ::basegfx::B2ISize& rSize )
+ {
+ SAL_INFO(
+ "canvas.cairo",
+ "device size " << rSize.getX() << " x " << rSize.getY());
+
+ if( !mpRefDevice )
+ return; // disposed
+
+ OutputDevice* pOutDev = getOutputDevice();
+
+ // X11 only
+ bool bReuseSurface = mpSurface &&
+ mpSurface->Resize(rSize.getX() + pOutDev->GetOutOffXPixel(),
+ rSize.getY() + pOutDev->GetOutOffYPixel());
+
+ if (!bReuseSurface)
+ {
+ mpSurface = pOutDev->CreateSurface(
+ pOutDev->GetOutOffXPixel(),
+ pOutDev->GetOutOffYPixel(),
+ rSize.getX(), rSize.getY() );
+ }
+ }
+
+ geometry::RealSize2D DeviceHelper::getPhysicalResolution()
+ {
+ // Map a one-by-one millimeter box to pixel
+ const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
+ mpRefDevice->SetMapMode( MapMode(MapUnit::MapMM) );
+ const Size aPixelSize( mpRefDevice->LogicToPixel(Size(1,1)) );
+ mpRefDevice->SetMapMode( aOldMapMode );
+
+ return vcl::unotools::size2DFromSize( aPixelSize );
+ }
+
+ geometry::RealSize2D DeviceHelper::getPhysicalSize()
+ {
+ if( !mpRefDevice )
+ return ::canvas::tools::createInfiniteSize2D(); // we're disposed
+
+ // Map the pixel dimensions of the output window to millimeter
+ const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
+ mpRefDevice->SetMapMode( MapMode(MapUnit::MapMM) );
+ const Size aLogSize( mpRefDevice->PixelToLogic(mpRefDevice->GetOutputSizePixel()) );
+ mpRefDevice->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 )
+ {
+ // disposed?
+ if( !mpSurfaceProvider )
+ return uno::Reference< rendering::XLinePolyPolygon2D >(); // we're disposed
+
+ return uno::Reference< rendering::XLinePolyPolygon2D >(
+ new ::basegfx::unotools::UnoPolyPolygon(
+ ::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence( points ) ) );
+ }
+
+ uno::Reference< rendering::XBezierPolyPolygon2D > DeviceHelper::createCompatibleBezierPolyPolygon(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points )
+ {
+ // disposed?
+ if( !mpSurfaceProvider )
+ return uno::Reference< rendering::XBezierPolyPolygon2D >(); // we're disposed
+
+ return uno::Reference< rendering::XBezierPolyPolygon2D >(
+ new ::basegfx::unotools::UnoPolyPolygon(
+ ::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence( points ) ) );
+ }
+
+ uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& rDevice,
+ const geometry::IntegerSize2D& size )
+ {
+ // disposed?
+ if( !mpSurfaceProvider )
+ return uno::Reference< rendering::XBitmap >(); // we're disposed
+
+ return uno::Reference< rendering::XBitmap >(
+ new CanvasBitmap(
+ ::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
+ SurfaceProviderRef(mpSurfaceProvider),
+ rDevice.get(),
+ false ));
+ }
+
+ uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const geometry::IntegerSize2D& /*size*/ )
+ {
+ return uno::Reference< rendering::XVolatileBitmap >();
+ }
+
+ uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleAlphaBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& rDevice,
+ const geometry::IntegerSize2D& size )
+ {
+ // disposed?
+ if( !mpSurfaceProvider )
+ return uno::Reference< rendering::XBitmap >(); // we're disposed
+
+ return uno::Reference< rendering::XBitmap >(
+ new CanvasBitmap(
+ ::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
+ SurfaceProviderRef(mpSurfaceProvider),
+ rDevice.get(),
+ true ));
+ }
+
+ uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileAlphaBitmap(
+ const uno::Reference< rendering::XGraphicDevice >& ,
+ const geometry::IntegerSize2D& /*size*/ )
+ {
+ return uno::Reference< rendering::XVolatileBitmap >();
+ }
+
+ uno::Any DeviceHelper::isAccelerated() const
+ {
+ return css::uno::Any(false);
+ }
+
+ uno::Any DeviceHelper::getDeviceHandle() const
+ {
+ return uno::Any( reinterpret_cast< sal_Int64 >(mpRefDevice.get()) );
+ }
+
+ uno::Any DeviceHelper::getSurfaceHandle() const
+ {
+ return uno::Any();
+ }
+
+ uno::Reference<rendering::XColorSpace> const & DeviceHelper::getColorSpace() const
+ {
+ static uno::Reference<rendering::XColorSpace> SPACE = vcl::unotools::createStandardColorSpace();
+ // always the same
+ return SPACE;
+ }
+
+ void DeviceHelper::dumpScreenContent() const
+ {
+ static sal_Int32 nFilePostfixCount(0);
+
+ if( !mpRefDevice )
+ return;
+
+ OUString aFilename = "dbg_frontbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
+
+ SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );
+
+ const ::Point aEmptyPoint;
+ bool bOldMap( mpRefDevice->IsMapModeEnabled() );
+ mpRefDevice->EnableMapMode( false );
+ const ::BitmapEx aTempBitmap(mpRefDevice->GetBitmapEx(aEmptyPoint, mpRefDevice->GetOutputSizePixel()));
+ WriteDIB(aTempBitmap, aStream, false);
+ mpRefDevice->EnableMapMode( bOldMap );
+
+ ++nFilePostfixCount;
+ }
+
+ SurfaceSharedPtr DeviceHelper::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ if( mpSurface )
+ return mpSurface->getSimilar( aContent, rSize.getX(), rSize.getY() );
+
+ return SurfaceSharedPtr();
+ }
+
+ SurfaceSharedPtr DeviceHelper::createSurface( BitmapSystemData const & rData, const Size& rSize )
+ {
+ if (mpRefDevice)
+ return mpRefDevice->CreateBitmapSurface(rData, rSize);
+
+ return SurfaceSharedPtr();
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_devicehelper.hxx b/canvas/source/cairo/cairo_devicehelper.hxx
new file mode 100644
index 000000000..eede77844
--- /dev/null
+++ b/canvas/source/cairo/cairo_devicehelper.hxx
@@ -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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+
+#include <vcl/outdev.hxx>
+
+#include "cairo_surfaceprovider.hxx"
+
+/* Definition of DeviceHelper class */
+
+namespace cairocanvas
+{
+ class DeviceHelper
+ {
+ public:
+ /// make noncopyable
+ DeviceHelper(const DeviceHelper&) = delete;
+ const DeviceHelper& operator=(const DeviceHelper&) = delete;
+
+ DeviceHelper();
+
+ /** init helper
+
+ @param rCanvas
+ Owning canvas.
+
+ @param rRefDevice
+ Reference output device. Needed for resolution
+ calculations etc.
+ */
+ void init( SurfaceProvider& rSurfaceProvider,
+ OutputDevice& rRefDevice );
+
+ /// 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;
+
+ /** called when DumpScreenContent property is enabled on
+ XGraphicDevice, and writes out bitmaps of current screen.
+ */
+ void dumpScreenContent() const;
+
+ OutputDevice* getOutputDevice() const { return mpRefDevice; }
+ const ::cairo::SurfaceSharedPtr& getSurface() const { return mpSurface; }
+ ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent );
+ ::cairo::SurfaceSharedPtr createSurface( BitmapSystemData const & rData, const Size& rSize );
+
+ protected:
+ /** init helper
+
+ @param rCanvas
+ Owning canvas.
+
+ @param rRefDevice
+ Reference output device. Needed for resolution
+ calculations etc.
+ */
+ void implInit( SurfaceProvider& rSurfaceProvider,
+ OutputDevice& rRefDevice );
+ void setSize( const ::basegfx::B2ISize& rSize );
+
+ private:
+ /** Surface provider
+
+ Deliberately not a refcounted reference, because of
+ potential circular references for canvas. Provides us with
+ our output surface and associated functionality.
+ */
+ SurfaceProvider* mpSurfaceProvider;
+
+ VclPtr<OutputDevice> mpRefDevice;
+ ::cairo::SurfaceSharedPtr mpSurface;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_repainttarget.hxx b/canvas/source/cairo/cairo_repainttarget.hxx
new file mode 100644
index 000000000..558ec7921
--- /dev/null
+++ b/canvas/source/cairo/cairo_repainttarget.hxx
@@ -0,0 +1,48 @@
+/* -*- 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 <com/sun/star/rendering/ViewState.hpp>
+
+#include <vcl/cairo.hxx>
+
+namespace cairocanvas
+{
+ /* 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 ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) = 0;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_sprite.hxx b/canvas/source/cairo/cairo_sprite.hxx
new file mode 100644
index 000000000..513283e30
--- /dev/null
+++ b/canvas/source/cairo/cairo_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>
+
+#include <vcl/cairo.hxx>
+
+namespace cairocanvas
+{
+ /** 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( const ::cairo::CairoSharedPtr& pCairo,
+ 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( const ::cairo::CairoSharedPtr& pCairo,
+ const ::basegfx::B2DPoint& rOrigOutputPos,
+ bool bBufferedUpdate ) const = 0;
+
+ protected:
+ ~Sprite() {}
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritecanvas.cxx b/canvas/source/cairo/cairo_spritecanvas.cxx
new file mode 100644
index 000000000..562157f52
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritecanvas.cxx
@@ -0,0 +1,233 @@
+/* -*- 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/range/b2irange.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/awt/XTopWindow.hpp>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <osl/mutex.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+#include <tools/diagnose_ex.h>
+#include <cppuhelper/supportsservice.hxx>
+
+#include "cairo_spritecanvas.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments,
+ const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) :
+ maArguments(aArguments)
+ {
+ }
+
+ void SpriteCanvas::initialize()
+ {
+ SAL_INFO("canvas.cairo", "CairoSpriteCanvas created " << this);
+
+ // #i64742# Only call initialize 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
+ */
+ ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
+ maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER &&
+ maArguments[3].getValueTypeClass() == uno::TypeClass_INTERFACE,
+ "CairoSpriteCanvas::initialize: wrong number of arguments, or wrong types" );
+
+ awt::Rectangle aRect;
+ maArguments[1] >>= aRect;
+
+ bool bIsFullscreen( false );
+ maArguments[2] >>= bIsFullscreen;
+
+ uno::Reference< awt::XWindow > xParentWindow;
+ maArguments[3] >>= xParentWindow;
+
+ VclPtr<vcl::Window> pParentWindow = VCLUnoHelper::GetWindow(xParentWindow);
+ if( !pParentWindow )
+ throw lang::NoSupportException(
+ "Parent window not VCL window, or canvas out-of-process!", nullptr);
+
+ bool bHasCairo = pParentWindow->GetOutDev()->SupportsCairo();
+ ENSURE_ARG_OR_THROW(bHasCairo,
+ "CairoSpriteCanvas::SpriteCanvas: No Cairo capability");
+
+ Size aPixelSize( pParentWindow->GetOutputSizePixel() );
+ const ::basegfx::B2ISize aSize( aPixelSize.Width(),
+ aPixelSize.Height() );
+
+ // setup helper
+ maDeviceHelper.init( *pParentWindow,
+ *this,
+ aSize,
+ bIsFullscreen );
+
+ setWindow(uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW));
+
+ maCanvasHelper.init( maRedrawManager,
+ *this,
+ aSize );
+
+ maArguments.realloc(0);
+ }
+
+ void SpriteCanvas::disposeThis()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // 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 )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // 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(
+ ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
+ bUpdateAll,
+ mbSurfaceDirty);
+ }
+
+ OUString SAL_CALL SpriteCanvas::getServiceName( )
+ {
+ return "com.sun.star.rendering.SpriteCanvas.Cairo";
+ }
+
+ // XServiceInfo
+ sal_Bool SpriteCanvas::supportsService(const OUString& sServiceName)
+ {
+ return cppu::supportsService(this, sServiceName);
+
+ }
+ OUString SpriteCanvas::getImplementationName()
+ {
+ return "com.sun.star.comp.rendering.Canvas.Cairo";
+ }
+ css::uno::Sequence< OUString > SpriteCanvas::getSupportedServiceNames()
+ {
+ return { getServiceName() };
+ }
+
+ SurfaceSharedPtr SpriteCanvas::getSurface()
+ {
+ return maDeviceHelper.getBufferSurface();
+ }
+
+ SurfaceSharedPtr SpriteCanvas::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ return maDeviceHelper.createSurface( rSize, aContent );
+ }
+
+ SurfaceSharedPtr SpriteCanvas::createSurface( ::Bitmap& rBitmap )
+ {
+ BitmapSystemData aData;
+ if( rBitmap.GetSystemData( aData ) ) {
+ const Size& rSize = rBitmap.GetSizePixel();
+
+ return maDeviceHelper.createSurface( aData, rSize );
+ }
+
+ return SurfaceSharedPtr();
+ }
+
+ SurfaceSharedPtr SpriteCanvas::changeSurface()
+ {
+ // non-modifiable surface here
+ return SurfaceSharedPtr();
+ }
+
+ OutputDevice* SpriteCanvas::getOutputDevice()
+ {
+ return maDeviceHelper.getOutputDevice();
+ }
+
+ SurfaceSharedPtr const & SpriteCanvas::getBufferSurface() const
+ {
+ return maDeviceHelper.getBufferSurface();
+ }
+
+ SurfaceSharedPtr const & SpriteCanvas::getWindowSurface() const
+ {
+ return maDeviceHelper.getWindowSurface();
+ }
+
+ const ::basegfx::B2ISize& SpriteCanvas::getSizePixel() const
+ {
+ return maDeviceHelper.getSizePixel();
+ }
+
+ void SpriteCanvas::setSizePixel( const ::basegfx::B2ISize& rSize )
+ {
+ maCanvasHelper.setSize( rSize );
+ // re-set background surface, in case it needed recreation
+ maCanvasHelper.setSurface( maDeviceHelper.getBufferSurface(),
+ false );
+ }
+
+ void SpriteCanvas::flush()
+ {
+ maDeviceHelper.flush();
+ }
+
+ bool SpriteCanvas::repaint( const SurfaceSharedPtr& pSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return maCanvasHelper.repaint( pSurface, viewState, renderState );
+ }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_rendering_SpriteCanvas_Cairo_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+ rtl::Reference<cairocanvas::SpriteCanvas> p = new cairocanvas::SpriteCanvas(args, context);
+ p->acquire();
+ p->initialize();
+ return static_cast<cppu::OWeakObject*>(p.get());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritecanvas.hxx b/canvas/source/cairo/cairo_spritecanvas.hxx
new file mode 100644
index 000000000..7790e6890
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritecanvas.hxx
@@ -0,0 +1,159 @@
+/* -*- 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/lang/XServiceInfo.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 "cairo_spritedevicehelper.hxx"
+#include "cairo_repainttarget.hxx"
+#include "cairo_surfaceprovider.hxx"
+#include "cairo_spritecanvashelper.hxx"
+
+namespace cairocanvas
+{
+ 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,
+ ::osl::MutexGuard,
+ ::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,
+ public SurfaceProvider
+ {
+ };
+
+ typedef ::canvas::SpriteCanvasBase< SpriteCanvasBaseSpriteSurface_Base,
+ SpriteCanvasHelper,
+ ::osl::MutexGuard,
+ ::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();
+
+ /// 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 sal_Bool SAL_CALL supportsService(const OUString& sServiceName) override;
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ // SurfaceProvider
+ virtual ::cairo::SurfaceSharedPtr getSurface() override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
+ virtual ::cairo::SurfaceSharedPtr changeSurface() override;
+ virtual OutputDevice* getOutputDevice() override;
+
+ // RepaintTarget
+ virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) override;
+
+ ::cairo::SurfaceSharedPtr const & getWindowSurface() const;
+ ::cairo::SurfaceSharedPtr const & getBufferSurface() const;
+
+ const ::basegfx::B2ISize& getSizePixel() const;
+ void setSizePixel( const ::basegfx::B2ISize& rSize );
+ void flush();
+
+ private:
+ css::uno::Sequence< css::uno::Any > maArguments;
+ };
+
+ typedef ::rtl::Reference< SpriteCanvas > SpriteCanvasRef;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritecanvashelper.cxx b/canvas/source/cairo/cairo_spritecanvashelper.cxx
new file mode 100644
index 000000000..992e0a581
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritecanvashelper.cxx
@@ -0,0 +1,518 @@
+/* -*- 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/b2irange.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <canvas/canvastools.hxx>
+
+#include <cairo.h>
+
+#include "cairo_canvascustomsprite.hxx"
+#include "cairo_spritecanvashelper.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ namespace
+ {
+ /** Sprite redraw at original position
+
+ Used to repaint the whole canvas (background and all
+ sprites)
+ */
+ void spriteRedraw( const CairoSharedPtr& pCairo,
+ const ::canvas::Sprite::Reference& rSprite )
+ {
+ // downcast to derived cairocanvas::Sprite interface, which
+ // provides the actual redraw methods.
+ ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw( pCairo, true);
+ }
+
+ void repaintBackground( const CairoSharedPtr& pCairo,
+ const SurfaceSharedPtr& pBackgroundSurface,
+ const ::basegfx::B2DRange& rArea )
+ {
+ cairo_save( pCairo.get() );
+ cairo_rectangle( pCairo.get(), ceil( rArea.getMinX() ), ceil( rArea.getMinY() ),
+ floor( rArea.getWidth() ), floor( rArea.getHeight() ) );
+ cairo_clip( pCairo.get() );
+ cairo_set_source_surface( pCairo.get(), pBackgroundSurface->getCairoSurface().get(), 0, 0 );
+ cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pCairo.get() );
+ cairo_restore( pCairo.get() );
+ }
+
+ void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite,
+ const CairoSharedPtr& pCairo,
+ const ::basegfx::B2IRange& 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)
+ cairo_save( pCairo.get() );
+ cairo_rectangle( pCairo.get(), rArea.getMinX(), rArea.getMinY(),
+ sal::static_int_cast<sal_Int32>(rArea.getWidth()),
+ sal::static_int_cast<sal_Int32>(rArea.getHeight()) );
+ cairo_clip( pCairo.get() );
+
+ // repaint affected sprite directly to output device (at
+ // the actual screen output position)
+ // rendering directly to device buffer
+ ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false );
+
+ cairo_restore( pCairo.get() );
+ }
+ }
+
+ SpriteCanvasHelper::SpriteCanvasHelper() :
+ mpRedrawManager( nullptr ),
+ mpOwningSpriteCanvas( nullptr ),
+ mbCompositingSurfaceDirty(true)
+ {
+ }
+
+ void SpriteCanvasHelper::init( ::canvas::SpriteRedrawManager& rManager,
+ SpriteCanvas& rDevice,
+ const ::basegfx::B2ISize& rSize )
+ {
+ mpRedrawManager = &rManager;
+ mpOwningSpriteCanvas = &rDevice;
+
+ CanvasHelper::init( rSize, rDevice, &rDevice );
+ }
+
+ void SpriteCanvasHelper::disposing()
+ {
+ mpCompositingSurface.reset();
+ mpOwningSpriteCanvas = nullptr;
+ mpRedrawManager = 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 > >& /*animationBitmaps*/,
+ sal_Int8 /*interpolationMode*/ )
+ {
+ return uno::Reference< rendering::XAnimatedSprite >();
+ }
+
+ uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize )
+ {
+ if( !mpRedrawManager )
+ return uno::Reference< rendering::XCustomSprite >(); // we're disposed
+
+ return uno::Reference< rendering::XCustomSprite >(
+ new CanvasCustomSprite( spriteSize,
+ mpOwningSpriteCanvas ) );
+ }
+
+ uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite(
+ const uno::Reference< rendering::XSprite >& )
+ {
+ return uno::Reference< rendering::XSprite >();
+ }
+
+ bool SpriteCanvasHelper::updateScreen( const ::basegfx::B2IRange& /*rCurrArea*/,
+ bool bUpdateAll,
+ bool& io_bSurfaceDirty )
+ {
+ if( !mpRedrawManager ||
+ !mpOwningSpriteCanvas ||
+ !mpOwningSpriteCanvas->getWindowSurface() ||
+ !mpOwningSpriteCanvas->getBufferSurface() )
+ {
+ return false; // disposed, or otherwise dysfunctional
+ }
+
+ SAL_INFO("canvas.cairo", "SpriteCanvasHelper::updateScreen called");
+
+ const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
+
+ // force compositing surface to be available before using it
+ // inside forEachSpriteArea
+ SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
+ SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
+ CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
+ CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
+
+ // TODO(P1): Might be worthwhile to track areas of background
+ // changes, too.
+ if( !bUpdateAll && !io_bSurfaceDirty && !mbCompositingSurfaceDirty )
+ {
+ // 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
+ {
+ SAL_INFO("canvas.cairo", "SpriteCanvasHelper::updateScreen update ALL");
+
+ // background has changed, so we currently have no choice
+ // but repaint everything (or caller requested that)
+
+ cairo_rectangle( pCompositingCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
+ cairo_clip( pCompositingCairo.get() );
+ cairo_save( pCompositingCairo.get() );
+ cairo_set_source_surface( pCompositingCairo.get(),
+ mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
+ 0, 0 );
+ cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pCompositingCairo.get() );
+ cairo_restore( pCompositingCairo.get() );
+
+ // repaint all active sprites on top of background into
+ // VDev.
+ mpRedrawManager->forEachSprite(
+ [&pCompositingCairo]( const Sprite::Reference rSprite )
+ { spriteRedraw( pCompositingCairo, rSprite ); }
+ );
+
+ // flush to screen
+ cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
+ cairo_clip( pWindowCairo.get() );
+ cairo_set_source_surface( pWindowCairo.get(),
+ pCompositingSurface->getCairoSurface().get(),
+ 0, 0 );
+ cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pWindowCairo.get() );
+ }
+
+ // change record vector must be cleared, for the next turn of
+ // rendering and sprite changing
+ mpRedrawManager->clearChangeRecords();
+
+ mbCompositingSurfaceDirty = false;
+ io_bSurfaceDirty = false;
+
+ // commit to screen
+ mpOwningSpriteCanvas->flush();
+
+ return true;
+ }
+
+ void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect )
+ {
+ if( mpOwningSpriteCanvas && mpCompositingSurface )
+ repaintBackground( mpCompositingSurface->getCairo(),
+ mpOwningSpriteCanvas->getBufferSurface(),
+ rUpdateRect );
+ }
+
+ void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
+ const ::basegfx::B2DRange& rMoveEnd,
+ const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea )
+ {
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBufferSurface(),
+ "SpriteCanvasHelper::scrollUpdate(): NULL device pointer " );
+
+ SAL_INFO("canvas.cairo", "SpriteCanvasHelper::scrollUpdate called");
+
+ const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
+ const ::basegfx::B2IRange aOutputBounds( 0,0,
+ rSize.getX(),
+ rSize.getY() );
+
+ SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
+ SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
+ CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
+ CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
+
+ // 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;
+
+ // TODO(E3): This is plain buggy (but copies the behaviour of
+ // the old Impress slideshow) - the scrolled area might
+ // actually lie _below_ another window!
+
+ // clip to output bounds (cannot properly scroll stuff
+ // _outside_ our screen area)
+ if( !::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(
+ pCompositingCairo, true );
+ }
+ }
+ else
+ {
+ const ::basegfx::B2IVector aSourceUpperLeftPos( aSourceRect.getMinimum() );
+
+ // clip dest area (which must be inside rDestBounds)
+ ::basegfx::B2IRange aDestRect( rDestRect );
+ aDestRect.intersect( aOutputBounds );
+
+ ::basegfx::B2ISize aScrollSize( aDestRect.getWidth(), aDestRect.getHeight() );
+ SurfaceSharedPtr pScrollSurface( getTemporarySurface() );
+ CairoSharedPtr pScrollCairo( pScrollSurface->getCairo() );
+
+ cairo_save( pScrollCairo.get() );
+ // scroll the current content of the compositing surface (and,
+ // thus, of the window) in temp. surface
+ cairo_set_source_surface( pScrollCairo.get(),
+ pCompositingSurface->getCairoSurface().get(),
+ aDestPos.getX() - aSourceUpperLeftPos.getX(),
+ aDestPos.getY() - aSourceUpperLeftPos.getY() );
+ cairo_rectangle( pScrollCairo.get(),
+ aDestPos.getX(), aDestPos.getY(),
+ aScrollSize.getX(), aScrollSize.getY() );
+ cairo_clip( pScrollCairo.get() );
+ cairo_set_operator( pScrollCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pScrollCairo.get() );
+ cairo_restore( pScrollCairo.get() );
+
+ cairo_save( pCompositingCairo.get() );
+ // copy the scrolled area back onto the compositing surface
+ cairo_set_source_surface( pCompositingCairo.get(),
+ pScrollSurface->getCairoSurface().get(),
+ 0, 0 );
+ cairo_rectangle( pCompositingCairo.get(),
+ aDestPos.getX(), aDestPos.getY(),
+ aScrollSize.getX(), aScrollSize.getY() );
+ cairo_clip( pCompositingCairo.get() );
+ cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pCompositingCairo.get() );
+ cairo_restore( pCompositingCairo.get() );
+
+ const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
+ aFirst( rUpdateArea.maComponentList.begin() );
+ ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
+ aSecond( aFirst );
+ ++aSecond;
+
+ 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
+ for( const auto& rArea : aUnscrollableAreas )
+ opaqueUpdateSpriteArea( aFirst->second.getSprite(),
+ pCompositingCairo, rArea );
+ }
+
+ // 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( pCompositingCairo,
+ mpOwningSpriteCanvas->getBufferSurface(), rArea );
+
+ cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
+ cairo_clip( pWindowCairo.get() );
+ cairo_set_source_surface( pWindowCairo.get(),
+ pCompositingSurface->getCairoSurface().get(),
+ 0, 0 );
+ cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pWindowCairo.get() );
+ }
+
+ void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
+ const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
+ {
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBufferSurface(),
+ "SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " );
+
+ SAL_INFO("canvas.cairo", "SpriteCanvasHelper::opaqueUpdate called");
+
+ const ::basegfx::B2ISize& rDeviceSize = mpOwningSpriteCanvas->getSizePixel();
+
+ SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rDeviceSize);
+ SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
+ CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
+ CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
+
+ cairo_rectangle( pCompositingCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
+ cairo_clip( pCompositingCairo.get() );
+
+ ::basegfx::B2DVector aPos( ceil( rTotalArea.getMinX() ), ceil( rTotalArea.getMinY() ) );
+ ::basegfx::B2DVector aSize( floor( rTotalArea.getMaxX() - aPos.getX() ), floor( rTotalArea.getMaxY() - aPos.getY() ) );
+
+ cairo_rectangle( pCompositingCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
+ cairo_clip( pCompositingCairo.get() );
+
+ // repaint all affected sprites directly to output device
+ for( const auto& rSprite : rSortedUpdateSprites )
+ {
+ if( rSprite.is() )
+ ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw(
+ pCompositingCairo, false );
+ }
+
+ // flush to screen
+ cairo_rectangle( pWindowCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
+ cairo_clip( pWindowCairo.get() );
+ cairo_rectangle( pWindowCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
+ cairo_clip( pWindowCairo.get() );
+ cairo_set_source_surface( pWindowCairo.get(),
+ pCompositingSurface->getCairoSurface().get(),
+ 0, 0 );
+ cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pWindowCairo.get() );
+ }
+
+ void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea,
+ const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
+ {
+ // TODO
+ SAL_INFO("canvas.cairo", "SpriteCanvasHelper::genericUpdate called");
+
+ ENSURE_OR_THROW( mpOwningSpriteCanvas &&
+ mpOwningSpriteCanvas->getBufferSurface(),
+ "SpriteCanvasHelper::genericUpdate(): NULL device pointer " );
+
+ // limit size of update VDev to target outdev's size
+ const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
+
+ SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
+ SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
+ CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
+ CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
+
+ // 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 size of VDev to output
+ // device's area.
+ const Size aOutputSize(
+ std::min( rSize.getX(),
+ ::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X()) ),
+ std::min( rSize.getY(),
+ ::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y()) ) );
+
+ cairo_rectangle( pCompositingCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
+ cairo_clip( pCompositingCairo.get() );
+
+ // paint background
+ cairo_save( pCompositingCairo.get() );
+ cairo_set_source_surface( pCompositingCairo.get(),
+ mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
+ 0, 0 );
+ cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pCompositingCairo.get() );
+ cairo_restore( pCompositingCairo.get() );
+
+ // repaint all affected sprites on top of background into
+ // VDev.
+ for( const auto& rSprite : rSortedUpdateSprites )
+ {
+ if( rSprite.is() )
+ ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw(
+ pCompositingCairo, true );
+ }
+
+ // flush to screen
+ cairo_rectangle( pWindowCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
+ cairo_clip( pWindowCairo.get() );
+ cairo_set_source_surface( pWindowCairo.get(),
+ pCompositingSurface->getCairoSurface().get(),
+ 0, 0 );
+ cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_paint( pWindowCairo.get() );
+ }
+
+ ::cairo::SurfaceSharedPtr const & SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize )
+ {
+ if( rNeededSize.getX() > maCompositingSurfaceSize.getX() ||
+ rNeededSize.getY() > maCompositingSurfaceSize.getY() )
+ {
+ // need to give buffer more size
+ mpCompositingSurface.reset();
+ }
+
+ if( !mpCompositingSurface )
+ {
+ mpCompositingSurface = createSurface( rNeededSize );
+ maCompositingSurfaceSize = rNeededSize;
+ mbCompositingSurfaceDirty = true;
+ mpTemporarySurface.reset();
+ }
+
+ return mpCompositingSurface;
+ }
+
+ ::cairo::SurfaceSharedPtr const & SpriteCanvasHelper::getTemporarySurface()
+ {
+ if ( !mpTemporarySurface )
+ mpTemporarySurface = createSurface( maCompositingSurfaceSize );
+ return mpTemporarySurface;
+ }
+
+ ::cairo::SurfaceSharedPtr SpriteCanvasHelper::createSurface( const ::basegfx::B2ISize& rNeededSize ) const
+ {
+ return mpOwningSpriteCanvas->getWindowSurface()->getSimilar(
+ CAIRO_CONTENT_COLOR,
+ rNeededSize.getX(), rNeededSize.getY() );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritecanvashelper.hxx b/canvas/source/cairo/cairo_spritecanvashelper.hxx
new file mode 100644
index 000000000..2b11f1bcf
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritecanvashelper.hxx
@@ -0,0 +1,140 @@
+/* -*- 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 <spriteredrawmanager.hxx>
+
+#include <vcl/cairo.hxx>
+#include "cairo_canvashelper.hxx"
+
+namespace basegfx
+{
+ class B2IRange;
+}
+
+namespace cairocanvas
+{
+ class SpriteCanvas;
+
+ class SpriteCanvasHelper : public CanvasHelper
+ {
+ public:
+ SpriteCanvasHelper();
+
+ void init( ::canvas::SpriteRedrawManager& rManager,
+ SpriteCanvas& rOwningSpriteCanvas,
+ const ::basegfx::B2ISize& rSize );
+
+ /// 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 rCurrArea
+ Current window area in absolute screen coordinates
+
+ @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( const ::basegfx::B2IRange& rCurrArea,
+ 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 );
+
+ private:
+ ::cairo::SurfaceSharedPtr const & getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
+ ::cairo::SurfaceSharedPtr const & getTemporarySurface();
+ ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const;
+
+ /// Set from the SpriteCanvas: instance coordinating sprite redraw
+ ::canvas::SpriteRedrawManager* mpRedrawManager;
+
+ /// Set from the init method. used to generate sprites
+ SpriteCanvas* mpOwningSpriteCanvas;
+
+ /// a surface used to composite the frontbuffer image
+ ::cairo::SurfaceSharedPtr mpCompositingSurface;
+ ::basegfx::B2ISize maCompositingSurfaceSize;
+ bool mbCompositingSurfaceDirty;
+ /// a temporary surface that is guaranteed to be the same size
+ //as the compositing surface
+ ::cairo::SurfaceSharedPtr mpTemporarySurface;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritedevicehelper.cxx b/canvas/source/cairo/cairo_spritedevicehelper.cxx
new file mode 100644
index 000000000..6539cf329
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritedevicehelper.cxx
@@ -0,0 +1,153 @@
+/* -*- 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 <vcl/cairo.hxx>
+
+#include <cairo.h>
+
+#include "cairo_devicehelper.hxx"
+#include "cairo_spritecanvas.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+
+ SpriteDeviceHelper::SpriteDeviceHelper() :
+ mpSpriteCanvas( nullptr ),
+ mbFullScreen( false )
+ {}
+
+ void SpriteDeviceHelper::init( vcl::Window& rOutputWindow,
+ SpriteCanvas& rSpriteCanvas,
+ const ::basegfx::B2ISize& rSize,
+ bool bFullscreen )
+ {
+ DeviceHelper::init(rSpriteCanvas,
+ *rOutputWindow.GetOutDev());
+
+ mpSpriteCanvas = &rSpriteCanvas;
+ mbFullScreen = bFullscreen;
+
+ setSize( rSize );
+ }
+
+ void SpriteDeviceHelper::disposing()
+ {
+ // release all references
+ mpBufferSurface.reset();
+ mpSpriteCanvas = nullptr;
+ }
+
+ bool SpriteDeviceHelper::showBuffer( bool, bool )
+ {
+ SAL_WARN("canvas.cairo", "showBuffer Not supposed to be called, handled by SpriteCanvas");
+ return false;
+ }
+
+ bool SpriteDeviceHelper::switchBuffer( bool, bool )
+ {
+ SAL_WARN("canvas.cairo", "showBuffer Not supposed to be called, handled by SpriteCanvas");
+ return false;
+ }
+
+ uno::Any SpriteDeviceHelper::isAccelerated() const
+ {
+ return css::uno::Any(true);
+ }
+
+ uno::Any SpriteDeviceHelper::getDeviceHandle() const
+ {
+ return DeviceHelper::getDeviceHandle();
+ }
+
+ uno::Any SpriteDeviceHelper::getSurfaceHandle() const
+ {
+ return DeviceHelper::getSurfaceHandle();
+ }
+
+ void SpriteDeviceHelper::setSize( const ::basegfx::B2ISize& rSize )
+ {
+ SAL_INFO(
+ "canvas.cairo",
+ "device size " << rSize.getX() << " x " << rSize.getY());
+
+ if( !mpSpriteCanvas )
+ return; // disposed
+
+ DeviceHelper::setSize(rSize);
+
+ if( mpBufferSurface && maSize != rSize )
+ mpBufferSurface.reset();
+ if( !mpBufferSurface )
+ mpBufferSurface = getWindowSurface()->getSimilar(
+ CAIRO_CONTENT_COLOR,
+ rSize.getX(), rSize.getY() );
+
+ if( maSize != rSize )
+ maSize = rSize;
+
+ mpSpriteCanvas->setSizePixel( maSize );
+ }
+
+
+ void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
+ {
+ setSize( ::basegfx::B2ISize(rBounds.Width, rBounds.Height) );
+ }
+
+ SurfaceSharedPtr const & SpriteDeviceHelper::getWindowSurface() const
+ {
+ return DeviceHelper::getSurface();
+ }
+
+ SurfaceSharedPtr SpriteDeviceHelper::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ if( mpBufferSurface )
+ return mpBufferSurface->getSimilar( aContent, rSize.getX(), rSize.getY() );
+
+ return SurfaceSharedPtr();
+ }
+
+ SurfaceSharedPtr SpriteDeviceHelper::createSurface( BitmapSystemData const & rData, const Size& rSize )
+ {
+ OutputDevice *pDevice = getOutputDevice();
+ if (pDevice)
+ return pDevice->CreateBitmapSurface(rData, rSize);
+ return SurfaceSharedPtr();
+ }
+
+ /** SpriteDeviceHelper::flush Flush the platform native window
+ *
+ * Flushes the window by using the internally stored mpSysData.
+ *
+ **/
+ void SpriteDeviceHelper::flush()
+ {
+ SurfaceSharedPtr pWinSurface=getWindowSurface();
+ if( pWinSurface )
+ pWinSurface->flush();
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritedevicehelper.hxx b/canvas/source/cairo/cairo_spritedevicehelper.hxx
new file mode 100644
index 000000000..63e9d1303
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritedevicehelper.hxx
@@ -0,0 +1,77 @@
+/* -*- 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 <vcl/window.hxx>
+#include <vcl/cairo.hxx>
+
+#include "cairo_devicehelper.hxx"
+
+/* Definition of DeviceHelper class */
+
+namespace cairocanvas
+{
+ class SpriteCanvas;
+
+ class SpriteDeviceHelper : public DeviceHelper
+ {
+ public:
+ SpriteDeviceHelper();
+
+ void init( vcl::Window& rOutputWindow,
+ SpriteCanvas& rSpriteCanvas,
+ const ::basegfx::B2ISize& rSize,
+ bool bFullscreen );
+
+ /// Dispose all internal references
+ void disposing();
+
+ // XWindowGraphicDevice
+ bool showBuffer( bool, bool );
+ bool switchBuffer( bool, bool bUpdateAll );
+
+ css::uno::Any isAccelerated() const;
+ css::uno::Any getDeviceHandle() const;
+ css::uno::Any getSurfaceHandle() const;
+
+ void notifySizeUpdate( const css::awt::Rectangle& rBounds );
+ void setSize( const ::basegfx::B2ISize& rSize );
+
+ const ::cairo::SurfaceSharedPtr& getBufferSurface() const { return mpBufferSurface; }
+ ::cairo::SurfaceSharedPtr const & getWindowSurface() const;
+ ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent );
+ ::cairo::SurfaceSharedPtr createSurface( BitmapSystemData const & rData, const Size& rSize );
+ const ::basegfx::B2ISize& getSizePixel() const { return maSize; }
+ void flush();
+
+ private:
+ /// Pointer to sprite canvas (owner of this helper), needed to create bitmaps
+ SpriteCanvas* mpSpriteCanvas;
+
+ ::cairo::SurfaceSharedPtr mpBufferSurface;
+
+ ::basegfx::B2ISize maSize;
+ bool mbFullScreen;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_spritehelper.cxx b/canvas/source/cairo/cairo_spritehelper.cxx
new file mode 100644
index 000000000..b3806f0e9
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritehelper.cxx
@@ -0,0 +1,195 @@
+/* -*- 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/utils/canvastools.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <cairo.h>
+#include <pixman.h>
+
+#include "cairo_spritehelper.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ SpriteHelper::SpriteHelper() :
+ mbTextureDirty(true)
+ {}
+
+ void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
+ const SpriteCanvasRef& rSpriteCanvas )
+ {
+ ENSURE_OR_THROW( rSpriteCanvas,
+ "SpriteHelper::init(): Invalid device, sprite canvas or surface" );
+
+ mpSpriteCanvas = rSpriteCanvas;
+ mbTextureDirty = true;
+
+ // also init base class
+ CanvasCustomSpriteHelper::init( rSpriteSize, rSpriteCanvas );
+ }
+
+ void SpriteHelper::setSurface( const SurfaceSharedPtr& pBufferSurface )
+ {
+ mpBufferSurface = pBufferSurface;
+ }
+
+ void SpriteHelper::disposing()
+ {
+ mpBufferSurface.reset();
+ mpSpriteCanvas.clear();
+
+ // forward to parent
+ CanvasCustomSpriteHelper::disposing();
+ }
+
+ void SpriteHelper::redraw( const CairoSharedPtr& pCairo,
+ const ::basegfx::B2DPoint& rPos,
+ bool& /*io_bSurfacesDirty*/,
+ bool /*bBufferedUpdate*/ ) const
+ {
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ struct timespec aTimer;
+ mxDevice->startPerfTrace( &aTimer );
+#endif
+
+ const double fAlpha( getAlpha() );
+ const ::basegfx::B2DHomMatrix aTransform( getTransformation() );
+
+ if( !isActive() || ::basegfx::fTools::equalZero( fAlpha ) )
+ return;
+
+ SAL_INFO( "canvas.cairo", "CanvasCustomSprite::redraw called");
+ if( !pCairo )
+ return;
+
+ basegfx::B2DVector aSize = getSizePixel();
+ cairo_save( pCairo.get() );
+
+ double fX, fY;
+
+ fX = rPos.getX();
+ fY = rPos.getY();
+
+ if( !aTransform.isIdentity() )
+ {
+ cairo_matrix_t aMatrix, aInverseMatrix;
+ cairo_matrix_init( &aMatrix,
+ aTransform.get( 0, 0 ), aTransform.get( 1, 0 ), aTransform.get( 0, 1 ),
+ aTransform.get( 1, 1 ), aTransform.get( 0, 2 ), aTransform.get( 1, 2 ) );
+
+ aMatrix.x0 = basegfx::fround( aMatrix.x0 );
+ aMatrix.y0 = basegfx::fround( aMatrix.y0 );
+
+ cairo_matrix_init( &aInverseMatrix, aMatrix.xx, aMatrix.yx, aMatrix.xy, aMatrix.yy, aMatrix.x0, aMatrix.y0 );
+ cairo_matrix_invert( &aInverseMatrix );
+ cairo_matrix_transform_distance( &aInverseMatrix, &fX, &fY );
+
+ cairo_set_matrix( pCairo.get(), &aMatrix );
+ }
+
+ fX = basegfx::fround( fX );
+ fY = basegfx::fround( fY );
+
+ cairo_matrix_t aOrigMatrix;
+ cairo_get_matrix( pCairo.get(), &aOrigMatrix );
+ cairo_translate( pCairo.get(), fX, fY );
+
+ if( getClip().is() )
+ {
+ const uno::Reference<rendering::XPolyPolygon2D>& rClip( getClip() );
+
+ ::basegfx::B2DPolyPolygon aClipPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
+ rClip ));
+
+ doPolyPolygonImplementation( aClipPoly, Clip, pCairo.get(),
+ nullptr, SurfaceProviderRef(mpSpriteCanvas),
+ rClip->getFillRule() );
+ }
+
+ SAL_INFO( "canvas.cairo","aSize " << aSize.getX() << " x " << aSize.getY() << " position: " << fX << "," << fY );
+ cairo_rectangle( pCairo.get(), 0, 0, floor( aSize.getX() ), floor( aSize.getY() ) );
+ cairo_clip( pCairo.get() );
+ cairo_set_matrix( pCairo.get(), &aOrigMatrix );
+
+ cairo_matrix_t aInverseMatrix = aOrigMatrix;
+ bool matrixProblem = false;
+ // tdf#125949: Cairo internally uses the pixman library, and _cairo_matrix_to_pixman_matrix()
+ // checks all matrix components to fix PIXMAN_MAX_INT, which is about 32k. Which means that
+ // if our transformation is large, such as an initial step of some zooming animations,
+ // the conversion will fail. To make things worse, once something in cairo fails, it's treated
+ // as a fatal error, the error status of that cairo_t gets set, and there's no way to reset it
+ // besides recreating the whole cairo_t
+ // (https://lists.cairographics.org/archives/cairo/2006-September/007892.html).
+ // So copy&paste PIXMAN_MAX_INT here, and if our matrix could fail, bail out.
+#define PIXMAN_MAX_INT ((pixman_fixed_1 >> 1) - pixman_fixed_e) /* need to ensure deltas also fit */
+ if(cairo_matrix_invert(&aInverseMatrix) == CAIRO_STATUS_SUCCESS)
+ {
+ if(abs(aOrigMatrix.xx) > PIXMAN_MAX_INT || abs(aOrigMatrix.xx) > PIXMAN_MAX_INT
+ || abs(aOrigMatrix.xy) > PIXMAN_MAX_INT || abs(aOrigMatrix.yx) > PIXMAN_MAX_INT
+ || abs(aOrigMatrix.x0) > PIXMAN_MAX_INT || abs(aOrigMatrix.y0) > PIXMAN_MAX_INT
+ || abs(aInverseMatrix.xx) > PIXMAN_MAX_INT || abs(aInverseMatrix.xx) > PIXMAN_MAX_INT
+ || abs(aInverseMatrix.xy) > PIXMAN_MAX_INT || abs(aInverseMatrix.yx) > PIXMAN_MAX_INT
+ || abs(aInverseMatrix.x0) > PIXMAN_MAX_INT || abs(aInverseMatrix.y0) > PIXMAN_MAX_INT)
+ matrixProblem = true;
+#undef PIXMAN_MAX_INT
+ }
+ else
+ matrixProblem = true;
+ if(matrixProblem)
+ {
+ SAL_WARN( "canvas.cairo", "matrix would overflow PIXMAN_MAX_INT, avoiding drawing" );
+ cairo_restore( pCairo.get() );
+ return;
+ }
+
+ if( isContentFullyOpaque() )
+ cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
+ cairo_set_source_surface( pCairo.get(),
+ mpBufferSurface->getCairoSurface().get(),
+ fX, fY );
+ if( ::rtl::math::approxEqual( fAlpha, 1.0 ) )
+ cairo_paint( pCairo.get() );
+ else
+ cairo_paint_with_alpha( pCairo.get(), fAlpha );
+
+ cairo_restore( pCairo.get() );
+
+#ifdef CAIRO_CANVAS_PERF_TRACE
+ mxDevice->stopPerfTrace( &aTimer, "sprite redraw" );
+#endif
+ }
+
+ ::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/cairo/cairo_spritehelper.hxx b/canvas/source/cairo/cairo_spritehelper.hxx
new file mode 100644
index 000000000..df0919e7f
--- /dev/null
+++ b/canvas/source/cairo/cairo_spritehelper.hxx
@@ -0,0 +1,102 @@
+/* -*- 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/canvascustomspritehelper.hxx>
+
+#include <basegfx/point/b2dpoint.hxx>
+
+#include "cairo_spritecanvas.hxx"
+
+
+namespace cairocanvas
+{
+ /* 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:
+ /** Create sprite helper
+ */
+ SpriteHelper();
+
+ /** 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 rDevice
+ DX device to use
+
+ @param rSpriteSurface
+ The surface of the sprite (not the DX texture, but the
+ persistent target of content rendering)
+
+ @param bShowSpriteBounds
+ When true, little debug bound rects for sprites are shown
+ */
+ void init( const css::geometry::RealSize2D& rSpriteSize,
+ const SpriteCanvasRef& rSpriteCanvas );
+
+ void disposing();
+
+ void setSurface( const ::cairo::SurfaceSharedPtr& pBufferSurface );
+
+ /** 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( const ::cairo::CairoSharedPtr& pCairo,
+ const ::basegfx::B2DPoint& rPos,
+ bool& bSurfacesDirty,
+ bool bBufferedUpdate ) const;
+
+ private:
+ virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
+ css::uno::Reference< css::rendering::XPolyPolygon2D >& xPoly ) const override;
+
+
+ SpriteCanvasRef mpSpriteCanvas;
+ ::cairo::SurfaceSharedPtr mpBufferSurface;
+ mutable bool mbTextureDirty; // when true, texture needs update
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_surfaceprovider.hxx b/canvas/source/cairo/cairo_surfaceprovider.hxx
new file mode 100644
index 000000000..a5115a507
--- /dev/null
+++ b/canvas/source/cairo/cairo_surfaceprovider.hxx
@@ -0,0 +1,70 @@
+/* -*- 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/XInterface.hpp>
+
+#include <basegfx/vector/b2isize.hxx>
+#include <vcl/cairo.hxx>
+
+class OutputDevice;
+class Bitmap;
+
+namespace cairocanvas
+{
+ /* Definition of RepaintTarget interface */
+
+ /** Target interface for XCachedPrimitive implementations
+
+ This interface must be implemented on all canvas
+ implementations that hand out XCachedPrimitives
+ */
+ class SurfaceProvider : public css::uno::XInterface
+ {
+ public:
+ virtual ~SurfaceProvider() {}
+
+ /** Query surface from this provider
+
+ This should return the default surface to render on.
+ */
+ virtual ::cairo::SurfaceSharedPtr getSurface() = 0;
+
+ /// create new surface in given size
+ virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize,
+ int aContent ) = 0;
+ /// create new surface from given bitmap
+ virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) = 0;
+
+ /** convert surface from alpha to non-alpha, does not copy content
+ channel. returns new surface on success, NULL otherwise
+ */
+ virtual ::cairo::SurfaceSharedPtr changeSurface() = 0;
+
+ /** Provides the underlying vcl outputdevice this surface renders on
+ */
+ virtual OutputDevice* getOutputDevice() = 0;
+ };
+
+ typedef ::rtl::Reference< SurfaceProvider > SurfaceProviderRef;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairo_textlayout.cxx b/canvas/source/cairo/cairo_textlayout.cxx
new file mode 100644
index 000000000..cbbf02c56
--- /dev/null
+++ b/canvas/source/cairo/cairo_textlayout.cxx
@@ -0,0 +1,354 @@
+/* -*- 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 <math.h>
+
+#include <com/sun/star/rendering/TextDirection.hpp>
+#include <canvas/canvastools.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+#include <utility>
+#include <vcl/metric.hxx>
+#include <vcl/virdev.hxx>
+
+
+#include "cairo_textlayout.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ 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,
+ sal_Int64 /*nRandomSeed*/,
+ CanvasFont::Reference rFont,
+ SurfaceProviderRef rRefDevice ) :
+ TextLayout_Base( m_aMutex ),
+ maText(std::move( aText )),
+ mpFont(std::move( rFont )),
+ mpRefDevice(std::move( rRefDevice )),
+ mnTextDirection( nDirection )
+ {
+ }
+
+ TextLayout::~TextLayout()
+ {
+ }
+
+ void SAL_CALL TextLayout::disposing()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ mpFont.clear();
+ mpRefDevice.clear();
+ }
+
+ // XTextLayout
+ uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes( )
+ {
+ // TODO
+ return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >();
+ }
+
+ uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures( )
+ {
+ // TODO
+ return uno::Sequence< geometry::RealRectangle2D >();
+ }
+
+ uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures( )
+ {
+ // TODO
+ return uno::Sequence< geometry::RealRectangle2D >();
+ }
+
+ uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements( )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ return maLogicalAdvancements;
+ }
+
+ void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if( aAdvancements.getLength() != maText.Length )
+ {
+ SAL_WARN("canvas.cairo", "TextLayout::applyLogicalAdvancements(): mismatching number of advancements" );
+ throw lang::IllegalArgumentException("mismatching number of advancements", static_cast<cppu::OWeakObject*>(this), 1);
+ }
+
+ maLogicalAdvancements = aAdvancements;
+ }
+
+ geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ OutputDevice* pOutDev = mpRefDevice->getOutputDevice();
+ if( !pOutDev )
+ return geometry::RealRectangle2D();
+
+ ScopedVclPtrInstance< VirtualDevice > pVDev( *pOutDev );
+ 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 /*nSize*/ )
+ {
+ // TODO
+ return 0.0;
+ }
+
+ double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/,
+ double /*nSize*/ )
+ {
+ // TODO
+ return 0.0;
+ }
+
+ rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ )
+ {
+ // TODO
+ return rendering::TextHit();
+ }
+
+ rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/,
+ sal_Bool /*bExcludeLigatures*/ )
+ {
+ // TODO
+ return rendering::Caret();
+ }
+
+ sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/,
+ sal_Int32 /*nCaretAdvancement*/,
+ sal_Bool /*bExcludeLigatures*/ )
+ {
+ // TODO
+ return 0;
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/,
+ sal_Int32 /*nEndIndex*/ )
+ {
+ // TODO
+ return uno::Reference< rendering::XPolyPolygon2D >();
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/,
+ sal_Int32 /*nEndIndex*/ )
+ {
+ // TODO
+ return uno::Reference< rendering::XPolyPolygon2D >();
+ }
+
+ double SAL_CALL TextLayout::getBaselineOffset( )
+ {
+ // TODO
+ return 0.0;
+ }
+
+ sal_Int8 SAL_CALL TextLayout::getMainTextDirection( )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ return mnTextDirection;
+ }
+
+ uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont( )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ return mpFont;
+ }
+
+ rendering::StringContext SAL_CALL TextLayout::getText( )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ return maText;
+ }
+
+ /**
+ * TextLayout::draw
+ *
+ * Cairo-based text rendering. Draw text directly on the cairo surface with cairo fonts.
+ * Avoid using VCL VirtualDevices for that, bypassing VCL DrawText functions, when possible
+ *
+ * Note: some text effects are not rendered due to lacking generic canvas or cairo canvas
+ * implementation. See issues 92657, 92658, 92659, 92660, 97529
+ **/
+ void TextLayout::draw( OutputDevice& rOutDev,
+ const Point& rOutpos,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState ) const
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ setupLayoutMode( rOutDev, mnTextDirection );
+
+ std::vector<sal_Int32> aOffsets(maLogicalAdvancements.getLength());
+
+ if( maLogicalAdvancements.hasElements() )
+ setupTextOffsets( aOffsets.data(), maLogicalAdvancements, viewState, renderState );
+
+ if (maLogicalAdvancements.hasElements())
+ {
+ 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 "CairoCanvas::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/cairo/cairo_textlayout.hxx b/canvas/source/cairo/cairo_textlayout.hxx
new file mode 100644
index 000000000..fb14e620c
--- /dev/null
+++ b/canvas/source/cairo/cairo_textlayout.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 <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+#include <com/sun/star/rendering/XTextLayout.hpp>
+
+#include <vcl/outdev.hxx>
+
+#include "cairo_canvasfont.hxx"
+
+
+/* Definition of TextLayout class */
+
+namespace cairocanvas
+{
+ 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,
+ sal_Int64 nRandomSeed,
+ CanvasFont::Reference rFont,
+ SurfaceProviderRef rRefDevice );
+
+ /// 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;
+
+ void setupTextOffsets( sal_Int32* outputOffsets,
+ const css::uno::Sequence< double >& inputOffsets,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) const;
+
+ protected:
+ virtual ~TextLayout() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
+
+ private:
+ css::rendering::StringContext maText;
+ css::uno::Sequence< double > maLogicalAdvancements;
+ CanvasFont::Reference mpFont;
+ SurfaceProviderRef mpRefDevice;
+ sal_Int8 mnTextDirection;
+ };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/cairo/cairocanvas.component b/canvas/source/cairo/cairocanvas.component
new file mode 100644
index 000000000..7a201f582
--- /dev/null
+++ b/canvas/source/cairo/cairocanvas.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.Cairo"
+ constructor="com_sun_star_comp_rendering_Canvas_Cairo_get_implementation">
+ <service name="com.sun.star.rendering.Canvas.Cairo"/>
+ </implementation>
+ <implementation name="com.sun.star.comp.rendering.SpriteCanvas.Cairo"
+ constructor="com_sun_star_comp_rendering_SpriteCanvas_Cairo_get_implementation">
+ <service name="com.sun.star.rendering.SpriteCanvas.Cairo"/>
+ </implementation>
+</component>