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Diffstat (limited to 'canvas/source/tools/surfaceproxy.hxx')
-rw-r--r-- | canvas/source/tools/surfaceproxy.hxx | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/canvas/source/tools/surfaceproxy.hxx b/canvas/source/tools/surfaceproxy.hxx new file mode 100644 index 000000000000..7e42096c541b --- /dev/null +++ b/canvas/source/tools/surfaceproxy.hxx @@ -0,0 +1,134 @@ +/************************************************************************* + * + * 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 |