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added and implemented _getSafeElemSize()

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This commit is contained in:
pnorcrss 2013-07-31 13:00:16 -05:00
parent aa7111aef1
commit 750eafcd2e
1 changed files with 13 additions and 2 deletions
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15
src/viewer.js
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@ -1107,6 +1107,17 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
}
});
/**
* [_getSafeElemSize returns getElementSize(), but refuses to return NaN]
* @return {[NaN]}
* @private
*/
function _getSafeElemSize () {
var _nElementSize = $.getElementSize();
return isNaN(_nElementSize) ? 0 : _nElementSize;
}
/**
* @function
* @private
@ -1121,7 +1132,7 @@ function openTileSource( viewer, source ) {
}
_this.canvas.innerHTML = "";
THIS[ _this.hash ].prevContainerSize = $.getElementSize( _this.container );
THIS[ _this.hash ].prevContainerSize = $._getSafeElemSize( _this.container );
if( _this.collectionMode ){
@ -1514,7 +1525,7 @@ function updateOnce( viewer ) {
//viewer.profiler.beginUpdate();
containerSize = $.getElementSize( viewer.container );
containerSize = $._getSafeElemSize( viewer.container );
if ( !containerSize.equals( THIS[ viewer.hash ].prevContainerSize ) ) {
// maintain image position
viewer.viewport.resize( containerSize, true );