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Merge branch 'master' of git://github.com/mozilla/pdf.js.git into jpx6

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Conflicts:
	test/pdfs/.gitignore
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notmasteryet 2012-01-19 17:46:48 -06:00
commit 016fd3282e
9 changed files with 91 additions and 26 deletions
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45
src/stream.js
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@ -1142,6 +1142,51 @@ var AsciiHexStream = (function AsciiHexStreamClosure() {
return AsciiHexStream;
})();
var RunLengthStream = (function RunLengthStreamClosure() {
function RunLengthStream(str) {
this.str = str;
this.dict = str.dict;
DecodeStream.call(this);
}
RunLengthStream.prototype = Object.create(DecodeStream.prototype);
RunLengthStream.prototype.readBlock = function runLengthStreamReadBlock() {
// The repeatHeader has following format. The first byte defines type of run
// and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes
// (in addition to the second byte from the header), n = 129 through 255 -
// duplicate the second byte from the header (257 - n) times, n = 128 - end.
var repeatHeader = this.str.getBytes(2);
if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] == 128) {
this.eof = true;
return;
}
var bufferLength = this.bufferLength;
var n = repeatHeader[0];
if (n < 128) {
// copy n bytes
var buffer = this.ensureBuffer(bufferLength + n + 1);
buffer[bufferLength++] = repeatHeader[1];
if (n > 0) {
var source = this.str.getBytes(n);
buffer.set(source, bufferLength);
bufferLength += n;
}
} else {
n = 257 - n;
var b = repeatHeader[1];
var buffer = this.ensureBuffer(bufferLength + n + 1);
for (var i = 0; i < n; i++)
buffer[bufferLength++] = b;
}
this.bufferLength = bufferLength;
};
return RunLengthStream;
})();
var CCITTFaxStream = (function CCITTFaxStreamClosure() {
var ccittEOL = -2;