59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2011-2013,WebJet Business Division,CYOU
|
|
|
|
http://www.genesis-3d.com.cn
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
#ifndef __FLOATSCOMPRESSION_H__
|
|
#define __FLOATSCOMPRESSION_H__
|
|
|
|
#include "util/array.h"
|
|
|
|
namespace Resources
|
|
{
|
|
class FloatsCompression
|
|
{
|
|
public:
|
|
FloatsCompression(float minNumber = 0, float maxNumber = 0,
|
|
unsigned int quantizationBitsCount = 0);
|
|
|
|
float GetMinNumber();
|
|
bool SetMinNumber(float minNumber);
|
|
|
|
float GetMaxNumber();
|
|
bool SetMaxNumber(float maxNumber);
|
|
|
|
unsigned int GetQuantizationBitsCount();
|
|
bool SetQuantizationBitsCount(unsigned int quantizationBitsCount);
|
|
|
|
bool CodeRL(float inputFloat, unsigned int *pOutputUnsignedInt);
|
|
bool DecodeRL(unsigned int inputUnsignedInt, float *pOutputFloat);
|
|
private:
|
|
float mMinNumber;
|
|
float mMaxNumber;
|
|
float mValueRange;
|
|
//Quantization bits count for each float.
|
|
unsigned int mQuantizationBitsCount;
|
|
unsigned int mIntervalsR;
|
|
float mIntervalSizeR;
|
|
};
|
|
}//namespace Resources
|
|
|
|
#endif //__FLOATSCOMPRESSION_H__
|