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Merge pull request #1967 from brendandahl/deatched-dom

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Cleanup references to dom elements.
This commit is contained in:
Yury Delendik 2012-08-08 12:38:08 -07:00
commit e17d828b64
2 changed files with 5 additions and 1 deletions
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5
src/canvas.js
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@ -1258,7 +1258,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
return CanvasGraphics; return CanvasGraphics;
})(); })();
if (!isWorker) { function checkPutBinaryImageDataCompatibility() {
// Feature detection if the browser can use an Uint8Array directly as imgData. // Feature detection if the browser can use an Uint8Array directly as imgData.
var canvas = document.createElement('canvas'); var canvas = document.createElement('canvas');
canvas.width = 1; canvas.width = 1;
@ -1293,3 +1293,6 @@ if (!isWorker) {
}; };
} }
} }
if (!isWorker) {
checkPutBinaryImageDataCompatibility();
}

1
web/viewer.js
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@ -1704,6 +1704,7 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv) {
if (textDivs.length === 0) { if (textDivs.length === 0) {
clearInterval(renderTimer); clearInterval(renderTimer);
renderingDone = true; renderingDone = true;
self.textLayerDiv = textLayerDiv = canvas = ctx = null;
return; return;
} }
var textDiv = textDivs.shift(); var textDiv = textDivs.shift();