include/basegfx/raster/bzpixelraster.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 _BGFX_RASTER_BZPIXELRASTER_HXX
  21 #define _BGFX_RASTER_BZPIXELRASTER_HXX
  22
  23 #include <basegfx/raster/bpixelraster.hxx>
  24 #include <basegfx/basegfxdllapi.h>
  25
  26 //////////////////////////////////////////////////////////////////////////////
  27 // predeclarations
  28
  29 //////////////////////////////////////////////////////////////////////////////
  30
  31 namespace basegfx
  32 {
  33     class BZPixelRaster : public BPixelRaster
  34     {
  35     protected:
  36         // additionally, host a ZBuffer
  37         sal_uInt16*                 mpZBuffer;
  38
  39     public:
  40         // reset
  41         void resetZ()
  42         {
  43             reset();
  44             memset(mpZBuffer, 0, sizeof(sal_uInt16) * mnCount);
  45         }
  46
  47         // constructor/destructor
  48         BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
  49         :   BPixelRaster(nWidth, nHeight),
  50             mpZBuffer(new sal_uInt16[mnCount])
  51         {
  52             memset(mpZBuffer, 0, sizeof(sal_uInt16) * mnCount);
  53         }
  54
  55         ~BZPixelRaster()
  56         {
  57             delete [] mpZBuffer;
  58         }
  59
  60         // data access read only
  61         const sal_uInt16& getZ(sal_uInt32 nIndex) const
  62         {
  63 #ifdef DBG_UTIL
  64             if(nIndex >= mnCount)
  65             {
  66                 OSL_FAIL("getZ: Access out of range (!)");
  67                 return mpZBuffer[0L];
  68             }
  69 #endif
  70             return mpZBuffer[nIndex];
  71         }
  72
  73         // data access read/write
  74         sal_uInt16& getZ(sal_uInt32 nIndex)
  75         {
  76 #ifdef DBG_UTIL
  77             if(nIndex >= mnCount)
  78             {
  79                 OSL_FAIL("getZ: Access out of range (!)");
  80                 return mpZBuffer[0L];
  81             }
  82 #endif
  83             return mpZBuffer[nIndex];
  84         }
  85     };
  86 } // end of namespace basegfx
  87
  88 #endif /* _BGFX_RASTER_BZPIXELRASTER_HXX */
  89
  90 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */