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Color mangling macros.

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Removed legacy Auto White caclulation.
This commit is contained in:
Blaz Kristan
2021-10-26 20:35:45 +02:00
parent cde497c94e
commit a696afaeb8
12 changed files with 115 additions and 131 deletions
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73
wled00/colors.cpp
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@@ -6,36 +6,25 @@
void colorFromUint32(uint32_t in, bool secondary)
{
if (secondary) {
colSec[3] = in >> 24 & 0xFF;
colSec[0] = in >> 16 & 0xFF;
colSec[1] = in >> 8 & 0xFF;
colSec[2] = in & 0xFF;
} else {
col[3] = in >> 24 & 0xFF;
col[0] = in >> 16 & 0xFF;
col[1] = in >> 8 & 0xFF;
col[2] = in & 0xFF;
}
byte *_col = secondary ? colSec : col;
_col[0] = R(in);
_col[1] = G(in);
_col[2] = B(in);
_col[3] = W(in);
}
//load a color without affecting the white channel
void colorFromUint24(uint32_t in, bool secondary)
{
if (secondary) {
colSec[0] = in >> 16 & 0xFF;
colSec[1] = in >> 8 & 0xFF;
colSec[2] = in & 0xFF;
} else {
col[0] = in >> 16 & 0xFF;
col[1] = in >> 8 & 0xFF;
col[2] = in & 0xFF;
}
byte *_col = secondary ? colSec : col;
_col[0] = R(in);
_col[1] = G(in);
_col[2] = B(in);
}
//store color components in uint32_t
uint32_t colorFromRgbw(byte* rgbw) {
return (rgbw[0] << 16) + (rgbw[1] << 8) + rgbw[2] + (rgbw[3] << 24);
return RGBW32(rgbw[0], rgbw[1], rgbw[2], rgbw[3]);
}
//relatively change white brightness, minumum A=5
@@ -195,10 +184,10 @@ void colorFromDecOrHexString(byte* rgb, char* in)
c = strtoul(in, NULL, 10);
}
rgb[3] = (c >> 24) & 0xFF;
rgb[0] = (c >> 16) & 0xFF;
rgb[1] = (c >> 8) & 0xFF;
rgb[2] = c & 0xFF;
rgb[0] = R(c);
rgb[1] = G(c);
rgb[2] = B(c);
rgb[3] = W(c);
}
//contrary to the colorFromDecOrHexString() function, this uses the more standard RRGGBB / RRGGBBWW order
@@ -210,14 +199,14 @@ bool colorFromHexString(byte* rgb, const char* in) {
uint32_t c = strtoul(in, NULL, 16);
if (inputSize == 6) {
rgb[0] = (c >> 16) & 0xFF;
rgb[1] = (c >> 8) & 0xFF;
rgb[2] = c & 0xFF;
rgb[0] = (c >> 16);
rgb[1] = (c >> 8);
rgb[2] = c ;
} else {
rgb[0] = (c >> 24) & 0xFF;
rgb[1] = (c >> 16) & 0xFF;
rgb[2] = (c >> 8) & 0xFF;
rgb[3] = c & 0xFF;
rgb[0] = (c >> 24);
rgb[1] = (c >> 16);
rgb[2] = (c >> 8);
rgb[3] = c ;
}
return true;
}
@@ -234,15 +223,16 @@ float maxf (float v, float w)
return v;
}
/*
uint32_t colorRGBtoRGBW(uint32_t c)
{
byte rgb[4];
rgb[0] = c >> 16;
rgb[1] = c >> 8;
rgb[2] = c ;
rgb[3] = c >> 24;
rgb[0] = R(c);
rgb[1] = G(c);
rgb[2] = B(c);
rgb[3] = W(c);
colorRGBtoRGBW(rgb);
return ((rgb[3] << 24) | (rgb[0] << 16) | (rgb[1] << 8) | (rgb[2]));
return RGBW32(rgb[0], rgb[1], rgb[2], rgb[3]);
}
void colorRGBtoRGBW(byte* rgb) //rgb to rgbw (http://codewelt.com/rgbw). (RGBW_MODE_LEGACY)
@@ -253,6 +243,7 @@ void colorRGBtoRGBW(byte* rgb) //rgb to rgbw (http://codewelt.com/rgbw). (RGBW_M
float sat = 100.0f * ((high - low) / high);; // maximum saturation is 100 (corrected from 255)
rgb[3] = (byte)((255.0f - sat) / 255.0f * (rgb[0] + rgb[1] + rgb[2]) / 3);
}
*/
// adjust RGB values based on color temperature in K (range [2800-10200]) (https://en.wikipedia.org/wiki/Color_balance)
void colorBalanceFromKelvin(uint16_t kelvin, byte *rgb)
@@ -268,9 +259,9 @@ uint32_t colorBalanceFromKelvin(uint16_t kelvin, uint32_t rgb)
{
byte rgbw[4] = {0,0,0,0};
colorKtoRGB(kelvin, rgbw); // convert Kelvin to RGB
rgbw[0] = ((uint16_t) rgbw[0] * ((rgb>>16) & 0xFF)) / 255; // correct R
rgbw[1] = ((uint16_t) rgbw[1] * ((rgb>> 8) & 0xFF)) / 255; // correct G
rgbw[2] = ((uint16_t) rgbw[2] * ((rgb ) & 0xFF)) / 255; // correct B
rgbw[3] = ((rgb>>24) & 0xFF);
rgbw[0] = ((uint16_t) rgbw[0] * R(rgb)) / 255; // correct R
rgbw[1] = ((uint16_t) rgbw[1] * G(rgb)) / 255; // correct G
rgbw[2] = ((uint16_t) rgbw[2] * B(rgb)) / 255; // correct B
rgbw[3] = W(rgb);
return colorFromRgbw(rgbw);
}