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Code Issues Releases Wiki Activity

PngParser: Add unit test for PLTE chunk

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This commit is contained in:
Jeff Schiller 2024-01-16 08:00:35 -08:00
parent 193cafa5e7
commit b359f92251
3 changed files with 19 additions and 4 deletions
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8
image/parsers/png.js
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@ -14,6 +14,7 @@ import { ByteStream } from '../../io/bytestream.js';
// https://en.wikipedia.org/wiki/PNG#File_format
// https://www.w3.org/TR/2003/REC-PNG-20031110
let DEBUG = false;
const SIG = new Uint8Array([0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A]);
/** @enum {string} */
@ -220,8 +221,9 @@ export class PngParser extends EventTarget {
});
}
/** @type {PngPalette} */
const palette = {
paletteEntries,
entries: paletteEntries,
};
this.dispatchEvent(new PngPaletteEvent(palette));
@ -240,7 +242,7 @@ export class PngParser extends EventTarget {
break;
default:
console.log(`Found an unhandled chunk: ${chunk.chunkType}`);
if (DEBUG) console.log(`Found an unhandled chunk: ${chunk.chunkType}`);
break;
}
} while (chunk.chunkType !== 'IEND');
@ -295,4 +297,4 @@ async function main() {
}
}
main();
// main();