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Remove caching of stream data and fix object loader for streams.

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This commit is contained in:
Brendan Dahl 2013-07-03 14:29:38 -07:00
parent 81fa4a0d93
commit 09aafa830b
3 changed files with 48 additions and 23 deletions
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32
src/obj.js
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@ -960,14 +960,7 @@ var XRef = (function XRefClosure() {
} else {
e = parser.getObj();
}
if (!isStream(e) || e instanceof JpegStream) {
this.cache[num] = e;
} else if (e instanceof Stream) {
e = e.makeSubStream(e.start, e.length, e.dict);
this.cache[num] = e;
} else if ('readBlock' in e) {
e.getBytes();
e = e.makeSubStream(0, e.bufferLength, e.dict);
if (!isStream(e)) {
this.cache[num] = e;
}
return e;
@ -1296,13 +1289,22 @@ var ObjectLoader = (function() {
pendingRequests.push({ begin: e.begin, end: e.end });
}
}
if (currentNode instanceof ChunkedStream &&
currentNode.getMissingChunks().length) {
nodesToRevisit.push(currentNode);
pendingRequests.push({
begin: currentNode.start,
end: currentNode.end
});
if (currentNode && currentNode.getBaseStreams) {
var baseStreams = currentNode.getBaseStreams();
var foundMissingData = false;
for (var i = 0; i < baseStreams.length; i++) {
var stream = baseStreams[i];
if (stream.getMissingChunks && stream.getMissingChunks().length) {
foundMissingData = true;
pendingRequests.push({
begin: stream.start,
end: stream.end
});
}
}
if (foundMissingData) {
nodesToRevisit.push(currentNode);
}
}
addChildren(currentNode, nodesToVisit);