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Merge pull request #4763 from yurydelendik/canvas-rAF

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Uses rAF to interrupt the operator list execution
This commit is contained in:
Yury Delendik 2014-05-09 07:25:52 -05:00
commit fd4fc89213
4 changed files with 28 additions and 18 deletions
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8
src/display/canvas.js
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@ -746,7 +746,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var commonObjs = this.commonObjs;
var objs = this.objs;
var fnId;
var deferred = Promise.resolve();
while (true) {
if (stepper && i === stepper.nextBreakPoint) {
@ -784,11 +783,10 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
return i;
}
// If the execution took longer then a certain amount of time, schedule
// to continue exeution after a short delay.
// However, this is only possible if a 'continueCallback' is passed in.
// If the execution took longer then a certain amount of time and
// `continueCallback` is specified, interrupt the execution.
if (continueCallback && Date.now() > endTime) {
deferred.then(continueCallback);
continueCallback();
return i;
}