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possible fix for 81

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javl
2026-08-12 12:11:43 +02:00
parent 1781aac67f
commit 60b6c0a9d5
2 changed files with 14 additions and 5 deletions
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js/dithering.js
+7 -2
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@@ -96,7 +96,7 @@ function canvas2bytes(canvas, type = 'bw') {
for (let y = 0; y < canvas.height; y++) {
const index = (canvas.width * 4 * y) + x * 4;
if (type !== 'bwr') {
buffer.push(imageData.data[index] > 0 && imageData.data[index + 1] > 0 && imageData.data[index + 2] > 0 ? 1 : 0);
buffer.push(imageData.data[index] > 0 && imageData.data[index + 1] === 0 && imageData.data[index + 2] === 0 ? 1 : 0);
} else {
buffer.push(imageData.data[index] > 0 && imageData.data[index + 1] === 0 && imageData.data[index + 2] === 0 ? 1 : 0);
}
@@ -111,7 +111,7 @@ function canvas2bytes(canvas, type = 'bw') {
}
function getColorDistance(rgba1, rgba2) {
const [r1, b1, g1] = rgba1;
const [r1, g1, b1] = rgba1;
const [r2, b2, g2] = rgba2;
const rm = (r1 + r2) / 2;
@@ -207,5 +207,10 @@ function ditheringCanvasByPalette(canvas, palette, type) {
updatePixelErr(imageData.data, currentPixel + 8 * w, err, 1);
}
}
ctx.putImageData(imageData, 0, 0);
}elErr(imageData.data, currentPixel + 8 * w, err, 1);
}
}
ctx.putImageData(imageData, 0, 0);
}