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Make getOperatorList() calls independent and merge queues at end

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This commit is contained in:
Mack Duan 2013-04-08 15:14:56 -07:00
parent 6b2c6fc223
commit dbccbaaa27
10 changed files with 1208 additions and 753 deletions
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13
src/stream.js
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@ -26,7 +26,7 @@ var Stream = (function StreamClosure() {
this.start = start || 0;
this.pos = this.start;
this.end = (start + length) || this.bytes.length;
this.dict = dict;
this.parameters = this.dict = dict;
}
// required methods for a stream. if a particular stream does not
@ -645,6 +645,10 @@ var PredictorStream = (function PredictorStreamClosure() {
var colors = this.colors;
var rawBytes = this.stream.getBytes(rowBytes);
this.eof = !rawBytes.length;
if (this.eof) {
return;
}
var inbuf = 0, outbuf = 0;
var inbits = 0, outbits = 0;
@ -705,6 +709,10 @@ var PredictorStream = (function PredictorStreamClosure() {
var predictor = this.stream.getByte();
var rawBytes = this.stream.getBytes(rowBytes);
this.eof = !rawBytes.length;
if (this.eof) {
return;
}
var bufferLength = this.bufferLength;
var buffer = this.ensureBuffer(bufferLength + rowBytes);
@ -853,6 +861,7 @@ var JpegStream = (function JpegStreamClosure() {
var data = jpegImage.getData(width, height);
this.buffer = data;
this.bufferLength = data.length;
this.eof = true;
} catch (e) {
error('JPEG error: ' + e);
}
@ -988,6 +997,7 @@ var JpxStream = (function JpxStreamClosure() {
this.buffer = data;
this.bufferLength = data.length;
this.eof = true;
};
JpxStream.prototype.getChar = function JpxStream_getChar() {
error('internal error: getChar is not valid on JpxStream');
@ -1032,6 +1042,7 @@ var Jbig2Stream = (function Jbig2StreamClosure() {
this.buffer = data;
this.bufferLength = dataLength;
this.eof = true;
};
Jbig2Stream.prototype.getChar = function Jbig2Stream_getChar() {
error('internal error: getChar is not valid on Jbig2Stream');