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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_CANVAS_SURFACEPROXY_HXX
+#define INCLUDED_CANVAS_SURFACEPROXY_HXX
+
+#include <canvas/rendering/isurfaceproxy.hxx>
+#include <canvas/rendering/icolorbuffer.hxx>
+
+#include "pagemanager.hxx"
+#include "surface.hxx"
+
+namespace canvas
+{
+
+ //////////////////////////////////////////////////////////////////////////////////
+ // SurfaceProxy
+ //////////////////////////////////////////////////////////////////////////////////
+
+ /** Definition of the surface proxy class.
+
+ Surface proxies are the connection between *one* source image
+ and *one or more* hardware surfaces (or textures). in a
+ logical structure surface proxies represent soley this
+ dependeny plus some simple cache management.
+ */
+ class SurfaceProxy : public ISurfaceProxy
+ {
+ public:
+
+ SurfaceProxy( const canvas::IColorBufferSharedPtr& pBuffer,
+ const PageManagerSharedPtr &pPageManager );
+
+ // ISurfaceProxy interface
+ virtual void setColorBufferDirty();
+
+ /** Render the surface content to screen.
+
+ @param fAlpha
+ Overall alpha for content
+
+ @param rPos
+ Output position
+
+ @param rTransform
+ Output transformation (does not affect output position)
+ */
+ virtual bool draw( double fAlpha,
+ const ::basegfx::B2DPoint& rPos,
+ const ::basegfx::B2DHomMatrix& rTransform );
+
+ /** Render the surface content to screen.
+
+ @param fAlpha
+ Overall alpha for content
+
+ @param rPos
+ Output position
+
+ @param rArea
+ Subset of the surface to render. Coordinate system are
+ surface area pixel, given area will be clipped to the
+ surface bounds.
+
+ @param rTransform
+ Output transformation (does not affect output position)
+ */
+ virtual bool draw( double fAlpha,
+ const ::basegfx::B2DPoint& rPos,
+ const ::basegfx::B2DRange& rArea,
+ const ::basegfx::B2DHomMatrix& rTransform );
+
+ /** Render the surface content to screen.
+
+ @param fAlpha
+ Overall alpha for content
+
+ @param rPos
+ Output position
+
+ @param rClipPoly
+ Clip polygon for the surface. The clip polygon is also
+ subject to the output transformation.
+
+ @param rTransform
+ Output transformation (does not affect output position)
+ */
+ virtual bool draw( double fAlpha,
+ const ::basegfx::B2DPoint& rPos,
+ const ::basegfx::B2DPolyPolygon& rClipPoly,
+ const ::basegfx::B2DHomMatrix& rTransform );
+
+ private:
+ PageManagerSharedPtr mpPageManager;
+
+ // the pagemanager will distribute the image
+ // to one or more surfaces, this is why we
+ // need a list here.
+ std::vector<SurfaceSharedPtr> maSurfaceList;
+
+ // pointer to the source of image data
+ // which always is stored in system memory,
+ // 32bit rgba and can have any size.
+ canvas::IColorBufferSharedPtr mpBuffer;
+ };
+
+ typedef ::boost::shared_ptr< SurfaceProxy > SurfaceProxySharedPtr;
+}
+
+#endif