Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_CANVAS_ISURFACEPROXY_HXX
      21             : #define INCLUDED_CANVAS_ISURFACEPROXY_HXX
      22             : 
      23             : #include <canvas/rendering/irendermodule.hxx>
      24             : 
      25             : #include <boost/shared_ptr.hpp>
      26             : 
      27             : namespace basegfx
      28             : {
      29             :     class B2DRange;
      30             :     class B2DPoint;
      31             :     class B2DPolyPolygon;
      32             :     class B2DHomMatrix;
      33             : }
      34             : 
      35             : namespace canvas
      36             : {
      37           0 :     struct ISurfaceProxy
      38             :     {
      39           0 :         virtual ~ISurfaceProxy() {}
      40             : 
      41             :         /** Notify the proxy that the color buffer has changed
      42             :          */
      43             :         virtual void setColorBufferDirty() = 0;
      44             : 
      45             :         /** Render the surface content to screen.
      46             : 
      47             :             @param fAlpha
      48             :             Overall alpha for content
      49             : 
      50             :             @param rPos
      51             :             Output position
      52             : 
      53             :             @param rTransform
      54             :             Output transformation (does not affect output position)
      55             :          */
      56             :         virtual bool draw( double                         fAlpha,
      57             :                            const ::basegfx::B2DPoint&     rPos,
      58             :                            const ::basegfx::B2DHomMatrix& rTransform ) = 0;
      59             : 
      60             :         /** Render the surface content to screen.
      61             : 
      62             :             @param fAlpha
      63             :             Overall alpha for content
      64             : 
      65             :             @param rPos
      66             :             Output position
      67             : 
      68             :             @param rArea
      69             :             Subset of the surface to render. Coordinate system are
      70             :             surface area pixel, given area will be clipped to the
      71             :             surface bounds.
      72             : 
      73             :             @param rTransform
      74             :             Output transformation (does not affect output position)
      75             :          */
      76             :         virtual bool draw( double                         fAlpha,
      77             :                            const ::basegfx::B2DPoint&     rPos,
      78             :                            const ::basegfx::B2DRange&     rArea,
      79             :                            const ::basegfx::B2DHomMatrix& rTransform ) = 0;
      80             : 
      81             :         /** Render the surface content to screen.
      82             : 
      83             :             @param fAlpha
      84             :             Overall alpha for content
      85             : 
      86             :             @param rPos
      87             :             Output position
      88             : 
      89             :             @param rClipPoly
      90             :             Clip polygon for the surface. The clip polygon is also
      91             :             subject to the output transformation.
      92             : 
      93             :             @param rTransform
      94             :             Output transformation (does not affect output position)
      95             :          */
      96             :         virtual bool draw( double                           fAlpha,
      97             :                            const ::basegfx::B2DPoint&       rPos,
      98             :                            const ::basegfx::B2DPolyPolygon& rClipPoly,
      99             :                            const ::basegfx::B2DHomMatrix&   rTransform ) = 0;
     100             :     };
     101             : 
     102             :     typedef ::boost::shared_ptr< ISurfaceProxy > ISurfaceProxySharedPtr;
     103             : }
     104             : 
     105             : #endif /* INCLUDED_CANVAS_ISURFACEPROXY_HXX */
     106             : 
     107             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */