Sakurai/pdf.js
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fixed getBytes

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This commit is contained in:
sbarman 2011-06-09 12:53:38 -07:00
parent 5da69f520d
commit cfff44f2b2
1 changed files with 16 additions and 10 deletions
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26
pdf.js
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@ -65,16 +65,19 @@ var Stream = (function() {
return -1;
return bytes[this.pos++];
},
// returns subarray of original buffer
// should only be read
getBytes: function(length) {
var bytes = this.bytes;
var pos = this.pos;
var end = this.end;
if (pos + length > end)
length = end - pos;
var end = pos + length;
var strEnd = this.end;
if (end > strEnd)
end = strEnd;
var n = 0;
var buf = new Uint8Array(length);
while (n < length)
while (pos < end)
buf[n++] = bytes[pos++]
this.pos = pos;
return buf;
@ -315,20 +318,23 @@ var FlateStream = (function() {
return this.buffer[this.bufferPos++];
},
getBytes: function(length) {
var bufferPos = this.bufferPos;
var pos = this.bufferPos;
while (!this.eof && this.bufferLength < bufferPos + length)
this.readBlock();
if (length > bufferLength - bufferPos)
length = bufferLength - bufferPos;
var end = pos + length;
var bufEnd = this.bufferLength;
if (end > bufEnd)
end = bufEnd;
var buffer = this.buffer;
var retBuffer = new Uint8Array(length);
var n = 0;
while (n < length)
retBuffer[n++] = buffer[bufferPos++];
this.bufferPos = bufferPos;
while (pos < end)
retBuffer[n++] = buffer[pos++];
this.bufferPos = pos;
return retBuffer;
},
lookChar: function() {