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Fetch decodeParams if it's a |Ref| in JBIG2Decode streams

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This commit is contained in:
Jonas Jenwald 2014-09-09 18:10:50 +02:00
parent 8206894d24
commit 7c044bc30d
1 changed files with 3 additions and 2 deletions
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src/core/stream.js
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@ -1033,7 +1033,8 @@ var Jbig2Stream = (function Jbig2StreamClosure() {
var jbig2Image = new Jbig2Image(); var jbig2Image = new Jbig2Image();
var chunks = [], decodeParams = this.dict.get('DecodeParms'); var chunks = [], xref = this.dict.xref;
var decodeParams = xref.fetchIfRef(this.dict.get('DecodeParms'));
// According to the PDF specification, DecodeParms can be either // According to the PDF specification, DecodeParms can be either
// a dictionary, or an array whose elements are dictionaries. // a dictionary, or an array whose elements are dictionaries.
@ -1042,7 +1043,7 @@ var Jbig2Stream = (function Jbig2StreamClosure() {
warn('JBIG2 - \'DecodeParms\' array with multiple elements ' + warn('JBIG2 - \'DecodeParms\' array with multiple elements ' +
'not supported.'); 'not supported.');
} }
decodeParams = decodeParams[0]; decodeParams = xref.fetchIfRef(decodeParams[0]);
} }
if (decodeParams && decodeParams.has('JBIG2Globals')) { if (decodeParams && decodeParams.has('JBIG2Globals')) {
var globalsStream = decodeParams.get('JBIG2Globals'); var globalsStream = decodeParams.get('JBIG2Globals');