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Composer: Fix image uploading on Firefox <93 (#1457)

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This commit is contained in:
Alexander Zinchuk 2021-09-19 20:54:26 +03:00
parent 2a144b9941
commit 36326de4c5
1 changed files with 19 additions and 14 deletions
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33
src/util/imageResize.ts
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@ -41,20 +41,25 @@ async function scale(
) { ) {
// Safari does not have built-in resize method with quality control // Safari does not have built-in resize method with quality control
if ('createImageBitmap' in window) { if ('createImageBitmap' in window) {
const bitmap = await window.createImageBitmap(img, try {
{ resizeWidth: width, resizeHeight: height, resizeQuality: 'high' }); const bitmap = await window.createImageBitmap(img,
return new Promise((res) => { { resizeWidth: width, resizeHeight: height, resizeQuality: 'high' });
const canvas = document.createElement('canvas'); return await new Promise((res) => {
canvas.width = bitmap.width; const canvas = document.createElement('canvas');
canvas.height = bitmap.height; canvas.width = bitmap.width;
const ctx = canvas.getContext('bitmaprenderer'); canvas.height = bitmap.height;
if (ctx) { const ctx = canvas.getContext('bitmaprenderer');
ctx.transferFromImageBitmap(bitmap); if (ctx) {
} else { ctx.transferFromImageBitmap(bitmap);
canvas.getContext('2d')!.drawImage(bitmap, 0, 0); } else {
} canvas.getContext('2d')!.drawImage(bitmap, 0, 0);
canvas.toBlob(res, outputType); }
}); canvas.toBlob(res, outputType);
});
} catch (e) {
// Fallback. Firefox below 93 does not recognize `createImageBitmap` with 2 parameters
return steppedScale(img, width, height, 0.5, outputType);
}
} else { } else {
return steppedScale(img, width, height, 0.5, outputType); return steppedScale(img, width, height, 0.5, outputType);
} }