59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
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/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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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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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 FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __FLOATSCOMPRESSION_H__
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#define __FLOATSCOMPRESSION_H__
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#include "util/array.h"
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namespace Resources
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{
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class FloatsCompression
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{
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public:
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FloatsCompression(float minNumber = 0, float maxNumber = 0,
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unsigned int quantizationBitsCount = 0);
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float GetMinNumber();
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bool SetMinNumber(float minNumber);
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float GetMaxNumber();
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bool SetMaxNumber(float maxNumber);
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unsigned int GetQuantizationBitsCount();
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bool SetQuantizationBitsCount(unsigned int quantizationBitsCount);
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bool CodeRL(float inputFloat, unsigned int *pOutputUnsignedInt);
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bool DecodeRL(unsigned int inputUnsignedInt, float *pOutputFloat);
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private:
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float mMinNumber;
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float mMaxNumber;
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float mValueRange;
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//Quantization bits count for each float.
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unsigned int mQuantizationBitsCount;
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unsigned int mIntervalsR;
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float mIntervalSizeR;
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};
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}//namespace Resources
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#endif //__FLOATSCOMPRESSION_H__
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