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IIP resizing tests for QOI

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This commit is contained in:
Jörg Breitbart
2026-04-29 14:54:57 +02:00
parent 0d2975884f
commit 31c53bc9c2
1 changed files with 38 additions and 0 deletions
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addons/addon-image/test/ImageAddon.test.ts
+38
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@@ -365,6 +365,44 @@ test.describe('ImageAddon', () => {
const qoiScrape = await getImageAtBufferCell(0, 11);
deepStrictEqual(qoiScrape, pngScrape);
});
test.describe.only('IIP resizing - QOI format', () => {
/**
* Same as the tests above, but with QOI format.
* This is needed, as QOI uses a slightly different parse path.
*/
test('palette.qoi: N --> width=20 height=5 preserveAspectRatio=0', async () => {
// cell based resize
const header = `size=${qoiData.length};width=20;height=5;preserveAspectRatio=0`;
await ctx.proxy.write(`\x1b]1337;File=inline=1;${header}:${PALETTE_QOI_BASE64}\x07`);
const dim = await getDimensions();
deepStrictEqual(await getOrigSize(1), [dim.cellWidth * 20, dim.cellHeight * 5]);
});
test('palette.qoi: Npx --> width=320px height=160px preserveAspectRatio=0', async () => {
// pixel based resize
const header = `size=${qoiData.length};width=320px;height=160px;preserveAspectRatio=0`;
await ctx.proxy.write(`\x1b]1337;File=inline=1;${header}:${PALETTE_QOI_BASE64}\x07`);
deepStrictEqual(await getOrigSize(1), [320, 160]);
});
test('palette.qoi: N% --> width=50% height=30% preserveAspectRatio=0', async () => {
// % of viewport resize
const header = `size=${qoiData.length};width=50%;height=30%;preserveAspectRatio=0`;
await ctx.proxy.write(`\x1b]1337;File=inline=1;${header}:${PALETTE_QOI_BASE64}\x07`);
const dim = await getDimensions();
deepStrictEqual(await getOrigSize(1), [Math.floor(dim.width * 0.5), Math.floor(dim.height * 0.3)]);
});
test('palette.qoi: ommitted dimension assumes preserveAspectRatio=1', async () => {
// width provided in percent
const header = `size=${qoiData.length};width=50%`;
await ctx.proxy.write(`\x1b]1337;File=inline=1;${header}:${PALETTE_QOI_BASE64}\x07`);
const dim = await getDimensions();
const width = Math.floor(dim.width * 0.5);
deepStrictEqual(await getOrigSize(1), [width, Math.floor(width * 80 / 640)]);
// height provided in pixel
const header2 = `size=${qoiData.length};height=200px`;
await ctx.proxy.write(`\x1b]1337;File=inline=1;${header2}:${PALETTE_QOI_BASE64}\x07`);
deepStrictEqual(await getOrigSize(2), [Math.floor(200 * 640 / 80), 200]);
});
});
});
});