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Code Issues Releases Wiki Activity

Implemented warm white (and added cool white) RGBW white algorithms

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This commit is contained in:
penfold42 2018-12-31 16:10:25 +11:00
parent b77e7c4acd
commit bceb255b7a
2 changed files with 33 additions and 2 deletions
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8
include/utils/RgbToRgbw.h
View File

@ -6,7 +6,13 @@
namespace RGBW { namespace RGBW {
enum WhiteAlgorithm { INVALID, SUBTRACT_MINIMUM, SUB_MIN_WARM_ADJUST, WHITE_OFF }; enum WhiteAlgorithm {
INVALID,
SUBTRACT_MINIMUM,
SUB_MIN_WARM_ADJUST,
SUB_MIN_COOL_ADJUST,
WHITE_OFF
};
WhiteAlgorithm stringToWhiteAlgorithm(QString str); WhiteAlgorithm stringToWhiteAlgorithm(QString str);
void Rgb_to_Rgbw(ColorRgb input, ColorRgbw * output, const WhiteAlgorithm algorithm); void Rgb_to_Rgbw(ColorRgb input, ColorRgbw * output, const WhiteAlgorithm algorithm);

27
libsrc/utils/RgbToRgbw.cpp
View File

@ -9,6 +9,7 @@ WhiteAlgorithm stringToWhiteAlgorithm(QString str)
{ {
if (str == "subtract_minimum") return SUBTRACT_MINIMUM; if (str == "subtract_minimum") return SUBTRACT_MINIMUM;
if (str == "sub_min_warm_adjust") return SUB_MIN_WARM_ADJUST; if (str == "sub_min_warm_adjust") return SUB_MIN_WARM_ADJUST;
if (str == "sub_min_cool_adjust") return SUB_MIN_COOL_ADJUST;
if (str.isEmpty() || str == "white_off") return WHITE_OFF; if (str.isEmpty() || str == "white_off") return WHITE_OFF;
return INVALID; return INVALID;
} }
@ -28,7 +29,31 @@ void Rgb_to_Rgbw(ColorRgb input, ColorRgbw * output, const WhiteAlgorithm algori
case SUB_MIN_WARM_ADJUST: case SUB_MIN_WARM_ADJUST:
{ {
Error(Logger::getInstance("RGBtoRGBW"), "white algorithm 'sub_min_warm_adjust' is not implemented yet." ); // http://forum.garagecube.com/viewtopic.php?t=10178
// warm white
float F1 = 0.274;
float F2 = 0.454;
float F3 = 2.333;
output->white = qMin(input.red*F1,qMin(input.green*F2,input.blue*F3));
output->red = input.red - output->white/F1;
output->green = input.green - output->white/F2;
output->blue = input.blue - output->white/F3;
break;
}
case SUB_MIN_COOL_ADJUST:
{
// http://forum.garagecube.com/viewtopic.php?t=10178
// cold white
float F1 = 0.299;
float F2 = 0.587;
float F3 = 0.114;
output->white = qMin(input.red*F1,qMin(input.green*F2,input.blue*F3));
output->red = input.red - output->white/F1;
output->green = input.green - output->white/F2;
output->blue = input.blue - output->white/F3;
break; break;
} }