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fix bw only buffer on bwr display

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Shuanglei Tao
2025-01-16 19:07:38 +08:00
parent b30d31800a
commit d558b682a1
1 changed files with 6 additions and 11 deletions
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17
html/js/main.js
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@@ -122,13 +122,8 @@ function getImageData(canvas, driver, mode) {
return canvas2gray(canvas); return canvas2gray(canvas);
} else { } else {
let data = canvas2bytes(canvas, 'bw'); let data = canvas2bytes(canvas, 'bw');
if (driver === '03') { if (driver === '03' && mode.startsWith('bwr')) {
if (mode.startsWith('bwr')) { data.push(...canvas2bytes(canvas, 'red'));
data.push(...canvas2bytes(canvas, 'red'));
} else {
const data1= 'F'.repeat(data.length);
data.push(...data1);
}
} }
return data; return data;
} }
@@ -140,11 +135,11 @@ async function sendimg() {
const driver = document.getElementById("epddriver").value; const driver = document.getElementById("epddriver").value;
const mode = document.getElementById('dithering').value; const mode = document.getElementById('dithering').value;
const imgArray = getImageData(canvas, driver, mode); const imgArray = getImageData(canvas, driver, mode);
const bwArrLen = canvas.width * canvas.height / 8; const ramSize = canvas.width * canvas.height / 8;
if (imgArray.length == bwArrLen * 2) { if (imgArray.length == ramSize * 2) {
await epdWrite(0x10, imgArray.slice(0, bwArrLen)); await epdWrite(0x10, imgArray.slice(0, ramSize));
await epdWrite(0x13, imgArray.slice(bwArrLen)); await epdWrite(0x13, imgArray.slice(ramSize));
} else { } else {
await epdWrite(driver === "03" ? 0x10 : 0x13, imgArray); await epdWrite(driver === "03" ? 0x10 : 0x13, imgArray);
} }