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Fix loading of PDF files with invalid or missing Type3 characters (issue 5039)

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This commit is contained in:
Jonas Jenwald 2014-07-24 14:59:21 +02:00
parent bd1c7be0cb
commit 2485f11829
5 changed files with 24 additions and 8 deletions
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17
src/core/evaluator.js
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@ -1760,14 +1760,17 @@ var TranslatedFont = (function TranslatedFontClosure() {
var glyphStream = charProcs[key];
var operatorList = new OperatorList();
return evaluator.getOperatorList(glyphStream, fontResources,
operatorList).
then(function () {
charProcOperatorList[key] = operatorList.getIR();
operatorList).then(function () {
charProcOperatorList[key] = operatorList.getIR();
// Add the dependencies to the parent operator list so they are
// resolved before sub operator list is executed synchronously.
parentOperatorList.addDependencies(operatorList.dependencies);
});
// Add the dependencies to the parent operator list so they are
// resolved before sub operator list is executed synchronously.
parentOperatorList.addDependencies(operatorList.dependencies);
}, function (reason) {
warn('Type3 font resource \"' + key + '\" is not available');
var operatorList = new OperatorList();
charProcOperatorList[key] = operatorList.getIR();
});
}.bind(this, charProcKeys[i]));
}
this.type3Loaded = loadCharProcsPromise.then(function () {

7
src/display/canvas.js
View file

@ -1489,11 +1489,16 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
continue;
}
var operatorList = font.charProcOperatorList[glyph.operatorListId];
if (!operatorList) {
warn('Type3 character \"' + glyph.operatorListId +
'\" is not available');
continue;
}
this.processingType3 = glyph;
this.save();
ctx.scale(fontSize, fontSize);
ctx.transform.apply(ctx, fontMatrix);
var operatorList = font.charProcOperatorList[glyph.operatorListId];
this.executeOperatorList(operatorList);
this.restore();