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121 lines
2.0 KiB
C++
121 lines
2.0 KiB
C++
// STL includes
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#include <cmath>
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// Utils includes
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#include <utils/RgbChannelCorrection.h>
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RgbChannelCorrection::RgbChannelCorrection() :
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_correctionR(255),
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_correctionB(255),
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_correctionG(255)
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{
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initializeMapping();
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}
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RgbChannelCorrection::RgbChannelCorrection(int correctionR, int correctionG, int correctionB) :
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_correctionR(correctionR),
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_correctionG(correctionG),
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_correctionB(correctionB)
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{
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initializeMapping();
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}
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RgbChannelCorrection::~RgbChannelCorrection()
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{
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}
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uint8_t RgbChannelCorrection::getcorrectionR() const
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{
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return _correctionR;
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}
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void RgbChannelCorrection::setcorrectionR(uint8_t correctionR)
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{
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_correctionR = correctionR;
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initializeMapping();
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}
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uint8_t RgbChannelCorrection::getcorrectionG() const
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{
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return _correctionG;
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}
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void RgbChannelCorrection::setcorrectionG(uint8_t correctionG)
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{
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_correctionG = correctionG;
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initializeMapping();
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}
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uint8_t RgbChannelCorrection::getcorrectionB() const
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{
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return _correctionB;
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}
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void RgbChannelCorrection::setcorrectionB(uint8_t correctionB)
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{
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_correctionB = correctionB;
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initializeMapping();
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}
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uint8_t RgbChannelCorrection::correctionR(uint8_t inputR) const
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{
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return _mappingR[inputR];
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}
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uint8_t RgbChannelCorrection::correctionG(uint8_t inputG) const
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{
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return _mappingG[inputG];
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}
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uint8_t RgbChannelCorrection::correctionB(uint8_t inputB) const
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{
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return _mappingB[inputB];
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}
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void RgbChannelCorrection::initializeMapping()
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{
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// initialize the mapping
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for (int i = 0; i < 256; ++i)
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{
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int outputR = (i * _correctionR) / 255;
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if (outputR < -255)
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{
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outputR = -255;
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}
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else if (outputR > 255)
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{
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outputR = 255;
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}
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_mappingR[i] = outputR;
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}
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for (int i = 0; i < 256; ++i)
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{
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int outputG = (i * _correctionG) / 255;
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if (outputG < -255)
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{
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outputG = -255;
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}
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else if (outputG > 255)
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{
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outputG = 255;
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}
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_mappingG[i] = outputG;
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}
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for (int i = 0; i < 256; ++i)
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{
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int outputB = (i * _correctionB) / 255;
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if (outputB < -255)
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{
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outputB = -255;
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}
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else if (outputB > 255)
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{
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outputB = 255;
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}
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_mappingB[i] = outputB;
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}
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}
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