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ws preview: better handling of RGBW

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avoid over-saturation in preview
This commit is contained in:
Frank
2024-06-24 18:04:18 +02:00
committed by GitHub
parent c876267c95
commit 2510292d1a
1 changed files with 4 additions and 3 deletions
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7
wled00/ws.cpp
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@@ -277,9 +277,10 @@ static bool sendLiveLedsWs(uint32_t wsClient) // WLEDMM added "static"
// WLEDMM begin: preview with color gamma correction
if (gammaCorrectPreview) {
uint8_t w = W(c); // not sure why, but it looks better if using "white" without corrections
buffer[pos++] = qadd8(w, unGamma8(R(c))); //R, add white channel to RGB channels as a simple RGBW -> RGB map
buffer[pos++] = qadd8(w, unGamma8(G(c))); //G
buffer[pos++] = qadd8(w, unGamma8(B(c))); //B
if (w>0) c = color_add(c, RGBW32(w, w, w, 0), false); // add white channel to RGB channels - color_add() will prevent over-saturation
buffer[pos++] = unGamma8(R(c)); //R
buffer[pos++] = unGamma8(G(c)); //G
buffer[pos++] = unGamma8(B(c)); //B
} else {
// WLEDMM end
uint8_t w = W(c); // WLEDMM small optimization