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Adds basic symbol dictionary and text region.

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This commit is contained in:
Yury Delendik 2012-06-18 15:03:20 -05:00
parent 95bc99f698
commit e09eb529d9
3 changed files with 450 additions and 21 deletions
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9
src/stream.js
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@ -999,7 +999,14 @@ var Jbig2Stream = (function Jbig2StreamClosure() {
var jbig2Image = new Jbig2Image();
var data = jbig2Image.parseChunk(this.bytes, 0, this.bytes.length);
var chunks = [], decodeParams = this.dict.get('DecodeParms');
if (decodeParams && decodeParams.has('JBIG2Globals')) {
var globalsStream = decodeParams.get('JBIG2Globals');
var globals = globalsStream.getBytes();
chunks.push({data: globals, start: 0, end: globals.length});
}
chunks.push({data: this.bytes, start: 0, end: this.bytes.length});
var data = jbig2Image.parseChunks(chunks);
var dataLength = data.length;
// JBIG2 had black as 1 and white as 0, inverting the colors