Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 233 insertions, 0 deletions

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: */