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52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2017 Ricardo David CM (http://ricardo-david.com),
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef RL_BC1_COMPRESSION_H
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#define RL_BC1_COMPRESSION_H
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#include "TypeDefinitions.h"
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#include "BMPImage.h"
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#include "DDSImage.h"
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#include <vector>
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namespace DTX1CompressorDecompressor
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{
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// class for handlling BC1 compression of BMP Textures
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class BC1Compression
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{
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public:
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bool Compress(const BMPImage & bmpImage, BC1DDSImage & ddsImage);
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bool DeCompress(const BC1DDSImage & ddsImage, BMPImage & bmpImage);
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private:
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void CompressBlock(const std::vector<Pixel24Bit> & pixelData, unsigned int row, unsigned int col, unsigned int width, unsigned char* ddsDataPtr) const;
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void DeCompressBlock(std::vector<Pixel24Bit> & pixelData, unsigned int row, unsigned int col, unsigned int width, unsigned char* ddsDataPtr) const;
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// a compressed BC1 block is 8 bytes
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const unsigned int m_blockSize = 8;
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};
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}
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#endif // !RL_BC1_COMPRESSION_H
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