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Merge pull request #12753 from Snuffleupagus/issue-12752

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Ignore, rather than throwing on, Coding style component (COC) markers in JPEG 2000 images (issue 12752)
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Tim van der Meij 2020-12-18 21:14:06 +01:00 committed by GitHub
commit b7fc916f48
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 4 deletions
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7
src/core/jpx.js
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@ -392,6 +392,9 @@ var JpxImage = (function JpxImageClosure() {
length = tile.dataEnd - position; length = tile.dataEnd - position;
parseTilePackets(context, data, position, length); parseTilePackets(context, data, position, length);
break; break;
case 0xff53: // Coding style component (COC)
warn("JPX: Codestream code 0xFF53 (COC) is not implemented.");
/* falls through */
case 0xff55: // Tile-part lengths, main header (TLM) case 0xff55: // Tile-part lengths, main header (TLM)
case 0xff57: // Packet length, main header (PLM) case 0xff57: // Packet length, main header (PLM)
case 0xff58: // Packet length, tile-part header (PLT) case 0xff58: // Packet length, tile-part header (PLT)
@ -399,10 +402,6 @@ var JpxImage = (function JpxImageClosure() {
length = readUint16(data, position); length = readUint16(data, position);
// skipping content // skipping content
break; break;
case 0xff53: // Coding style component (COC)
throw new Error(
"Codestream code 0xFF53 (COC) is not implemented"
);
default: default:
throw new Error("Unknown codestream code: " + code.toString(16)); throw new Error("Unknown codestream code: " + code.toString(16));
} }

1
test/pdfs/issue12752.pdf.link Normal file
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@ -0,0 +1 @@
https://github.com/mozilla/pdf.js/files/5715933/WE2330Ausweis_2.pdf

8
test/test_manifest.json
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@ -2045,6 +2045,14 @@
"link": true, "link": true,
"type": "eq" "type": "eq"
}, },
{ "id": "issue12752",
"file": "pdfs/issue12752.pdf",
"md5": "9f8ada17a613d18919714baf684e165f",
"rounds": 1,
"lastPage": 1,
"link": true,
"type": "eq"
},
{ "id": "issue7872", { "id": "issue7872",
"file": "pdfs/issue7872.pdf", "file": "pdfs/issue7872.pdf",
"md5": "81781dfecfcb7e9cd9cc7e60f8b747b7", "md5": "81781dfecfcb7e9cd9cc7e60f8b747b7",