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Ignore, rather than throwing on, Coding style component (COC) markers in JPEG 2000 images (issue 12752) #12753

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merged 1 commit into from
Dec 18, 2020
Merged

Ignore, rather than throwing on, Coding style component (COC) markers in JPEG 2000 images (issue 12752) #12753

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7 changes: 3 additions & 4 deletions src/core/jpx.js
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Original file line number Diff line number Diff line change
Expand Up @@ -392,17 +392,16 @@ var JpxImage = (function JpxImageClosure() {
length = tile.dataEnd - position;
parseTilePackets(context, data, position, length);
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 0xff57: // Packet length, main header (PLM)
case 0xff58: // Packet length, tile-part header (PLT)
case 0xff64: // Comment (COM)
length = readUint16(data, position);
// skipping content
break;
case 0xff53: // Coding style component (COC)
throw new Error(
"Codestream code 0xFF53 (COC) is not implemented"
);
default:
throw new Error("Unknown codestream code: " + code.toString(16));
}
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1 change: 1 addition & 0 deletions test/pdfs/issue12752.pdf.link
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@@ -0,0 +1 @@
https://github.com/mozilla/pdf.js/files/5715933/WE2330Ausweis_2.pdf
8 changes: 8 additions & 0 deletions test/test_manifest.json
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Expand Up @@ -2045,6 +2045,14 @@
"link": true,
"type": "eq"
},
{ "id": "issue12752",
"file": "pdfs/issue12752.pdf",
"md5": "9f8ada17a613d18919714baf684e165f",
"rounds": 1,
"lastPage": 1,
"link": true,
"type": "eq"
},
{ "id": "issue7872",
"file": "pdfs/issue7872.pdf",
"md5": "81781dfecfcb7e9cd9cc7e60f8b747b7",
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