Sternenlabor/WLED
1
0
Fork 0
Code Issues Pull Requests 1 Packages Projects Releases Wiki Activity

Pin dropdowns POC.

Browse Source 
NeoPixelBusGammaMethod POC.
PixelMagic POC.
Button reassign POC.
This commit is contained in:
Blaz Kristan
2023-06-10 20:43:27 +02:00
parent 21387b9a83
commit 3ca58ee65f
14 changed files with 2040 additions and 751 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
wled00/colors.cpp
View File

@@ -302,7 +302,7 @@ uint16_t approximateKelvinFromRGB(uint32_t rgb) {
}
//gamma 2.8 lookup table used for color correction
static byte gammaT[] = {
uint8_t NeoGammaWLEDMethod::gammaT[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
@@ -320,27 +320,22 @@ static byte gammaT[] = {
177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };
uint8_t gamma8_cal(uint8_t b, float gamma)
{
return (int)(powf((float)b / 255.0f, gamma) * 255.0f + 0.5f);
}
// re-calculates & fills gamma table
void calcGammaTable(float gamma)
void NeoGammaWLEDMethod::calcGammaTable(float gamma)
{
for (uint16_t i = 0; i < 256; i++) {
gammaT[i] = gamma8_cal(i, gamma);
for (size_t i = 0; i < 256; i++) {
gammaT[i] = (int)(powf((float)i / 255.0f, gamma) * 255.0f + 0.5f);
}
}
// used for individual channel or brightness gamma correction
uint8_t gamma8(uint8_t b)
uint8_t NeoGammaWLEDMethod::Correct(uint8_t value)
{
return gammaT[b];
if (!gammaCorrectCol) return value;
return gammaT[value];
}
// used for color gamma correction
uint32_t gamma32(uint32_t color)
uint32_t NeoGammaWLEDMethod::Correct32(uint32_t color)
{
if (!gammaCorrectCol) return color;
uint8_t w = W(color);