1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _BGFX_RASTER_BZPIXELRASTER_HXX 25 #define _BGFX_RASTER_BZPIXELRASTER_HXX 26 27 #include <basegfx/raster/bpixelraster.hxx> 28 #include <rtl/memory.h> 29 30 ////////////////////////////////////////////////////////////////////////////// 31 // predeclarations 32 33 ////////////////////////////////////////////////////////////////////////////// 34 35 namespace basegfx 36 { 37 class BZPixelRaster : public BPixelRaster 38 { 39 protected: 40 // additionally, host a ZBuffer 41 sal_uInt16* mpZBuffer; 42 43 public: 44 // reset resetZ()45 void resetZ() 46 { 47 reset(); 48 rtl_zeroMemory(mpZBuffer, sizeof(sal_uInt16) * mnCount); 49 } 50 51 // constructor/destructor BZPixelRaster(sal_uInt32 nWidth,sal_uInt32 nHeight)52 BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight) 53 : BPixelRaster(nWidth, nHeight), 54 mpZBuffer(new sal_uInt16[mnCount]) 55 { 56 rtl_zeroMemory(mpZBuffer, sizeof(sal_uInt16) * mnCount); 57 } 58 ~BZPixelRaster()59 ~BZPixelRaster() 60 { 61 delete [] mpZBuffer; 62 } 63 64 // data access read only getZ(sal_uInt32 nIndex) const65 const sal_uInt16& getZ(sal_uInt32 nIndex) const 66 { 67 #ifdef DBG_UTIL 68 if(nIndex >= mnCount) 69 { 70 OSL_ENSURE(false, "getZ: Access out of range (!)"); 71 return mpZBuffer[0L]; 72 } 73 #endif 74 return mpZBuffer[nIndex]; 75 } 76 77 // data access read/write getZ(sal_uInt32 nIndex)78 sal_uInt16& getZ(sal_uInt32 nIndex) 79 { 80 #ifdef DBG_UTIL 81 if(nIndex >= mnCount) 82 { 83 OSL_ENSURE(false, "getZ: Access out of range (!)"); 84 return mpZBuffer[0L]; 85 } 86 #endif 87 return mpZBuffer[nIndex]; 88 } 89 }; 90 } // end of namespace basegfx 91 92 #endif /* _BGFX_RASTER_BZPIXELRASTER_HXX */ 93