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       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_BASEGFX_RASTER_BZPIXELRASTER_HXX
      21             : #define INCLUDED_BASEGFX_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          21 :         BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
      49             :         :   BPixelRaster(nWidth, nHeight),
      50          21 :             mpZBuffer(new sal_uInt16[mnCount])
      51             :         {
      52          21 :             memset(mpZBuffer, 0, sizeof(sal_uInt16) * mnCount);
      53          21 :         }
      54             : 
      55          21 :         ~BZPixelRaster()
      56          21 :         {
      57          21 :             delete [] mpZBuffer;
      58          21 :         }
      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     3773339 :         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     3773339 :             return mpZBuffer[nIndex];
      84             :         }
      85             :     };
      86             : } // end of namespace basegfx
      87             : 
      88             : #endif // INCLUDED_BASEGFX_RASTER_BZPIXELRASTER_HXX
      89             : 
      90             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */