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diff --git a/canvas/source/cairo/cairo_spritecanvas.cxx b/canvas/source/cairo/cairo_spritecanvas.cxx
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+/* -*- 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: */