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fix SSD1619 red color

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Shuanglei Tao
2025-03-18 18:15:40 +08:00
parent 465af89793
commit 646597cc00
2 changed files with 6 additions and 8 deletions
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4
html/index.html
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File diff suppressed because one or more lines are too long

10
html/js/dithering.js
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@@ -132,17 +132,15 @@ function canvas2bytes(canvas, type='bw', invert = false) {
for (let y = 0; y < canvas.height; y++) {
for (let x = 0; x < canvas.width; x++) {
const i = (canvas.width * y + x) * 4;
let data;
if (type !== 'red') {
data = imageData.data[i] === 0 && imageData.data[i+1] === 0 && imageData.data[i+2] === 0 ? 0 : 1;
buffer.push(imageData.data[i] === 0 && imageData.data[i+1] === 0 && imageData.data[i+2] === 0 ? 0 : 1);
} else {
data = imageData.data[i] > 0 && imageData.data[i+1] === 0 && imageData.data[i+2] === 0 ? 0 : 1;
buffer.push(imageData.data[i] > 0 && imageData.data[i+1] === 0 && imageData.data[i+2] === 0 ? 0 : 1);
}
if (invert) data = ~data;
buffer.push(data);
if (buffer.length === 8) {
arr.push(parseInt(buffer.join(''), 2));
const data = parseInt(buffer.join(''), 2);
arr.push(invert ? ~data : data);
buffer = [];
}
}