1 files changed, 153 insertions, 0 deletions
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: */