Jan/WLED_MM_Infinity
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Merge pull request #3904 from DedeHai/FX_fcn_improvements

Browse Source 
added improvements to color scaling and blurring
This commit is contained in:
Blaž Kristan
2024-04-16 17:41:20 +02:00
committed by Frank
parent 7dc6659e70
commit 48c64aecff
4 changed files with 168 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
wled00/colors.cpp
View File

@@ -37,16 +37,58 @@ IRAM_ATTR_YN uint32_t color_blend(uint32_t color1, uint32_t color2, uint_fast16_
*/
IRAM_ATTR_YN uint32_t color_add(uint32_t c1, uint32_t c2) // WLEDMM added IRAM_ATTR_YN
{
uint32_t r = R(c1) + R(c2);
uint32_t g = G(c1) + G(c2);
uint32_t b = B(c1) + B(c2);
uint32_t w = W(c1) + W(c2);
uint_fast16_t max = r;
if (g > max) max = g;
if (b > max) max = b;
if (w > max) max = w;
if (max < 256) return RGBW32(r, g, b, w);
else return RGBW32(r * 255 / max, g * 255 / max, b * 255 / max, w * 255 / max);
if (fast) {
uint8_t r = R(c1);
uint8_t g = G(c1);
uint8_t b = B(c1);
uint8_t w = W(c1);
r = qadd8(r, R(c2));
g = qadd8(g, G(c2));
b = qadd8(b, B(c2));
w = qadd8(w, W(c2));
return RGBW32(r,g,b,w);
} else {
uint32_t r = R(c1) + R(c2);
uint32_t g = G(c1) + G(c2);
uint32_t b = B(c1) + B(c2);
uint32_t w = W(c1) + W(c2);
uint_fast16_t max = r;
if (g > max) max = g;
if (b > max) max = b;
if (w > max) max = w;
if (max < 256) return RGBW32(r, g, b, w);
else return RGBW32(r * 255 / max, g * 255 / max, b * 255 / max, w * 255 / max);
}
}
/*
* fades color toward black
* if using "video" method the resulting color will never become black unless it is already black
*/
uint32_t color_fade(uint32_t c1, uint8_t amount, bool video)
{
uint32_t scaledcolor; // color order is: W R G B from MSB to LSB
uint32_t r = R(c1);
uint32_t g = G(c1);
uint32_t b = B(c1);
uint32_t w = W(c1);
if (video) {
uint32_t scale = amount; // 32bit for faster calculation
scaledcolor = (((r * scale) >> 8) << 16) + ((r && scale) ? 1 : 0);
scaledcolor |= (((g * scale) >> 8) << 8) + ((g && scale) ? 1 : 0);
scaledcolor |= ((b * scale) >> 8) + ((b && scale) ? 1 : 0);
scaledcolor |= (((w * scale) >> 8) << 24) + ((w && scale) ? 1 : 0);
return scaledcolor;
}
else {
uint32_t scale = 1 + amount;
scaledcolor = ((r * scale) >> 8) << 16;
scaledcolor |= ((g * scale) >> 8) << 8;
scaledcolor |= (b * scale) >> 8;
scaledcolor |= ((w * scale) >> 8) << 24;
return scaledcolor;
}
}
void setRandomColor(byte* rgb)