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 #include <basegfx/basegfxdllapi.h> 30 31 ////////////////////////////////////////////////////////////////////////////// 32 // predeclarations 33 34 ////////////////////////////////////////////////////////////////////////////// 35 36 namespace basegfx 37 { 38 class BASEGFX_DLLPUBLIC BZPixelRaster : public BPixelRaster 39 { 40 protected: 41 // additionally, host a ZBuffer 42 sal_uInt16* mpZBuffer; 43 44 public: 45 // reset resetZ()46 void resetZ() 47 { 48 reset(); 49 rtl_zeroMemory(mpZBuffer, sizeof(sal_uInt16) * mnCount); 50 } 51 52 // constructor/destructor BZPixelRaster(sal_uInt32 nWidth,sal_uInt32 nHeight)53 BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight) 54 : BPixelRaster(nWidth, nHeight), 55 mpZBuffer(new sal_uInt16[mnCount]) 56 { 57 rtl_zeroMemory(mpZBuffer, sizeof(sal_uInt16) * mnCount); 58 } 59 ~BZPixelRaster()60 ~BZPixelRaster() 61 { 62 delete [] mpZBuffer; 63 } 64 65 // data access read only getZ(sal_uInt32 nIndex) const66 const sal_uInt16& getZ(sal_uInt32 nIndex) const 67 { 68 #ifdef DBG_UTIL 69 if(nIndex >= mnCount) 70 { 71 OSL_ENSURE(false, "getZ: Access out of range (!)"); 72 return mpZBuffer[0L]; 73 } 74 #endif 75 return mpZBuffer[nIndex]; 76 } 77 78 // data access read/write getZ(sal_uInt32 nIndex)79 sal_uInt16& getZ(sal_uInt32 nIndex) 80 { 81 #ifdef DBG_UTIL 82 if(nIndex >= mnCount) 83 { 84 OSL_ENSURE(false, "getZ: Access out of range (!)"); 85 return mpZBuffer[0L]; 86 } 87 #endif 88 return mpZBuffer[nIndex]; 89 } 90 }; 91 } // end of namespace basegfx 92 93 #endif /* _BGFX_RASTER_BZPIXELRASTER_HXX */ 94