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

leds 2D preview: better color accuracy

Browse Source 
* replace "jumpy" color enhancement with a smooth function
* slightly increase size of preview pixels
This commit is contained in:
Frank
2026-01-29 13:49:53 +01:00
parent 1210881bd8
commit 1d686d7807
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
wled00/data/peek.js
View File

@@ -30,13 +30,15 @@ function peek(c) {
ctx.clearRect(0, 0, c.width, c.height); //WLEDMM ctx.clearRect(0, 0, c.width, c.height); //WLEDMM
function colorAmp(color) { function colorAmp(color) {
if (color == 0) return 0; if (color == 0) return 0;
return 25+225*color/255; //return color; // no enhancement
//return 25+225*color/255; // legacy WLEDMM. problem: strong jump from 0 to 25 -> wrong colors
return Math.sqrt(color/255) * 255; // Square root provides gentle and jump-free enhancement of lower brightness pixels
} //WLEDMM in range 55 - 205 } //WLEDMM in range 55 - 205
for (y=0.5;y<mH;y++) for (x=0.5; x<mW; x++) { for (y=0.5;y<mH;y++) for (x=0.5; x<mW; x++) {
if (leds[i]!= 0 || leds[i+1]!= 0 || leds[i+2]!= 0) { //WLEDMM: do not show blacks if (leds[i]!= 0 || leds[i+1]!= 0 || leds[i+2]!= 0) { //WLEDMM: do not show blacks
ctx.fillStyle = `rgb(${colorAmp(leds[i])},${colorAmp(leds[i+1])},${colorAmp(leds[i+2])})`; ctx.fillStyle = `rgb(${colorAmp(leds[i])},${colorAmp(leds[i+1])},${colorAmp(leds[i+2])})`;
ctx.beginPath(); ctx.beginPath();
ctx.arc(x*pPL+lOf, y*pPL, pPL*0.4, 0, 2 * Math.PI); ctx.arc(x*pPL+lOf, y*pPL, pPL*0.45, 0, 2 * Math.PI); // WLEDMM legacy radius was 0.4 -> 0.45
ctx.fill(); ctx.fill();
} }
i+=3; i+=3;