| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _BGFX_RASTER_BPIXELRASTER_HXX |
| #define _BGFX_RASTER_BPIXELRASTER_HXX |
| |
| #include <algorithm> |
| #include <sal/types.h> |
| #include <basegfx/pixel/bpixel.hxx> |
| #include <rtl/memory.h> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // predeclarations |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace basegfx |
| { |
| class BPixelRaster |
| { |
| private: |
| // do not allow copy constructor and assignment operator |
| BPixelRaster(const BPixelRaster&); |
| BPixelRaster& operator=(const BPixelRaster&); |
| |
| protected: |
| sal_uInt32 mnWidth; |
| sal_uInt32 mnHeight; |
| sal_uInt32 mnCount; |
| BPixel* mpContent; |
| |
| public: |
| // reset |
| void reset() |
| { |
| rtl_zeroMemory(mpContent, sizeof(BPixel) * mnCount); |
| } |
| |
| // constructor/destructor |
| BPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight) |
| : mnWidth(nWidth), |
| mnHeight(nHeight), |
| mnCount(nWidth * nHeight), |
| mpContent(new BPixel[mnCount]) |
| { |
| reset(); |
| } |
| |
| ~BPixelRaster() |
| { |
| delete [] mpContent; |
| } |
| |
| // coordinate calcs between X/Y and span |
| sal_uInt32 getIndexFromXY(sal_uInt32 nX, sal_uInt32 nY) const { return (nX + (nY * mnWidth)); } |
| sal_uInt32 getXFromIndex(sal_uInt32 nIndex) const { return (nIndex % mnWidth); } |
| sal_uInt32 getYFromIndex(sal_uInt32 nIndex) const { return (nIndex / mnWidth); } |
| |
| // data access read |
| sal_uInt32 getWidth() const { return mnWidth; } |
| sal_uInt32 getHeight() const { return mnHeight; } |
| sal_uInt32 getCount() const { return mnCount; } |
| |
| // data access read only |
| const BPixel& getBPixel(sal_uInt32 nIndex) const |
| { |
| #ifdef DBG_UTIL |
| if(nIndex >= mnCount) |
| { |
| OSL_ENSURE(false, "getBPixel: Access out of range (!)"); |
| return BPixel::getEmptyBPixel(); |
| } |
| #endif |
| return mpContent[nIndex]; |
| } |
| |
| // data access read/write |
| BPixel& getBPixel(sal_uInt32 nIndex) |
| { |
| #ifdef DBG_UTIL |
| if(nIndex >= mnCount) |
| { |
| OSL_ENSURE(false, "getBPixel: Access out of range (!)"); |
| return mpContent[0L]; |
| } |
| #endif |
| return mpContent[nIndex]; |
| } |
| }; |
| } // end of namespace basegfx |
| |
| #endif /* _BGFX_RASTER_BPIXELRASTER_HXX */ |
