86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
#include <utils/ColorRgb.h>
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#include <utils/ColorRgbw.h>
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#include <utils/RgbToRgbw.h>
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#include <utils/Logger.h>
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namespace RGBW {
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WhiteAlgorithm stringToWhiteAlgorithm(const QString& str)
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{
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if (str == "subtract_minimum")
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{
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return WhiteAlgorithm::SUBTRACT_MINIMUM;
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}
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if (str == "sub_min_warm_adjust")
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{
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return WhiteAlgorithm::SUB_MIN_WARM_ADJUST;
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}
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if (str == "sub_min_cool_adjust")
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{
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return WhiteAlgorithm::SUB_MIN_COOL_ADJUST;
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}
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if (str.isEmpty() || str == "white_off")
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{
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return WhiteAlgorithm::WHITE_OFF;
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}
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return WhiteAlgorithm::INVALID;
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}
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void Rgb_to_Rgbw(ColorRgb input, ColorRgbw * output, WhiteAlgorithm algorithm)
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{
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switch (algorithm)
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{
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case WhiteAlgorithm::SUBTRACT_MINIMUM:
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{
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output->white = static_cast<uint8_t>(qMin(qMin(input.red, input.green), input.blue));
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output->red = input.red - output->white;
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output->green = input.green - output->white;
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output->blue = input.blue - output->white;
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break;
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}
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case WhiteAlgorithm::SUB_MIN_WARM_ADJUST:
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{
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// http://forum.garagecube.com/viewtopic.php?t=10178
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// warm white
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const double F1(0.274);
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const double F2(0.454);
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const double F3(2.333);
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output->white = static_cast<uint8_t>(qMin(input.red*F1,qMin(input.green*F2,input.blue*F3)));
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output->red = input.red - static_cast<uint8_t>(output->white/F1);
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output->green = input.green - static_cast<uint8_t>(output->white/F2);
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output->blue = input.blue - static_cast<uint8_t>(output->white/F3);
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break;
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}
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case WhiteAlgorithm::SUB_MIN_COOL_ADJUST:
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{
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// http://forum.garagecube.com/viewtopic.php?t=10178
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// cold white
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const double F1(0.299);
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const double F2(0.587);
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const double F3(0.114);
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output->white = static_cast<uint8_t>(qMin(input.red*F1,qMin(input.green*F2,input.blue*F3)));
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output->red = input.red - static_cast<uint8_t>(output->white/F1);
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output->green = input.green - static_cast<uint8_t>(output->white/F2);
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output->blue = input.blue - static_cast<uint8_t>(output->white/F3);
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break;
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}
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case WhiteAlgorithm::WHITE_OFF:
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{
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output->red = input.red;
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output->green = input.green;
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output->blue = input.blue;
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output->white = 0;
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break;
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}
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default:
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break;
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}
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}
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};
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