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Ensure that TilingPatterns have valid (non-zero) /BBox arrays (issue 8330)

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Fixes 8330.
This commit is contained in:
Jonas Jenwald 2017-05-24 12:12:14 +02:00
parent 9342054502
commit e589834f13
5 changed files with 45 additions and 20 deletions
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36
src/core/evaluator.js
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@ -480,30 +480,40 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
stateManager.state.clone());
},
handleTilingType:
function PartialEvaluator_handleTilingType(fn, args, resources,
pattern, patternDict,
operatorList, task) {
handleTilingType(fn, args, resources, pattern, patternDict, operatorList,
task) {
// Create an IR of the pattern code.
var tilingOpList = new OperatorList();
let tilingOpList = new OperatorList();
// Merge the available resources, to prevent issues when the patternDict
// is missing some /Resources entries (fixes issue6541.pdf).
var resourcesArray = [patternDict.get('Resources'), resources];
var patternResources = Dict.merge(this.xref, resourcesArray);
let resourcesArray = [patternDict.get('Resources'), resources];
let patternResources = Dict.merge(this.xref, resourcesArray);
return this.getOperatorList({
stream: pattern,
task,
resources: patternResources,
operatorList: tilingOpList,
}).then(function () {
// Add the dependencies to the parent operator list so they are
// resolved before sub operator list is executed synchronously.
operatorList.addDependencies(tilingOpList.dependencies);
operatorList.addOp(fn, getTilingPatternIR({
}).then(function() {
return getTilingPatternIR({
fnArray: tilingOpList.fnArray,
argsArray: tilingOpList.argsArray,
}, patternDict, args));
}, patternDict, args);
}).then(function(tilingPatternIR) {
// Add the dependencies to the parent operator list so they are
// resolved before the sub operator list is executed synchronously.
operatorList.addDependencies(tilingOpList.dependencies);
operatorList.addOp(fn, tilingPatternIR);
}, (reason) => {
if (this.options.ignoreErrors) {
// Error(s) in the TilingPattern -- sending unsupported feature
// notification and allow rendering to continue.
this.handler.send('UnsupportedFeature',
{ featureId: UNSUPPORTED_FEATURES.unknown, });
warn(`handleTilingType - ignoring pattern: "${reason}".`);
return;
}
throw reason;
});
},