include/basegfx/raster/bzpixelraster.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   9  * This file incorporates work covered by the following license notice:
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_BASEGFX_RASTER_BZPIXELRASTER_HXX
  21 #define INCLUDED_BASEGFX_RASTER_BZPIXELRASTER_HXX
  22
  23 #include <memory>
  24 #include <basegfx/raster/bpixelraster.hxx>
  25 #include <basegfx/basegfxdllapi.h>
  26 #include <osl/diagnose.h>
  27
  28 namespace basegfx
  29 {
  30     class BZPixelRaster : public BPixelRaster
  31     {
  32     protected:
  33         // additionally, host a ZBuffer
  34         std::unique_ptr<sal_uInt16[]>  mpZBuffer;
  35
  36     public:
  37         // constructor/destructor
  38         BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
  39         :   BPixelRaster(nWidth, nHeight),
  40             mpZBuffer(new sal_uInt16[mnCount])
  41         {
  42             memset(mpZBuffer.get(), 0, sizeof(sal_uInt16) * mnCount);
  43         }
  44
  45         // data access read only
  46         const sal_uInt16& getZ(sal_uInt32 nIndex) const
  47         {
  48 #ifdef DBG_UTIL
  49             if(nIndex >= mnCount)
  50             {
  51                 OSL_FAIL("getZ: Access out of range (!)");
  52                 return mpZBuffer[0L];
  53             }
  54 #endif
  55             return mpZBuffer[nIndex];
  56         }
  57
  58         // data access read/write
  59         sal_uInt16& getZ(sal_uInt32 nIndex)
  60         {
  61 #ifdef DBG_UTIL
  62             if(nIndex >= mnCount)
  63             {
  64                 OSL_FAIL("getZ: Access out of range (!)");
  65                 return mpZBuffer[0L];
  66             }
  67 #endif
  68             return mpZBuffer[nIndex];
  69         }
  70     };
  71 } // end of namespace basegfx
  72
  73 #endif // INCLUDED_BASEGFX_RASTER_BZPIXELRASTER_HXX
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */