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Merge pull request #177 from pnorcross/_getSafeElemSize

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(hopefully) Final fix for issue #109, Viewport Broken on Hide.
This commit is contained in:
iangilman 2013-08-02 09:36:06 -07:00
commit 51e37e3553
1 changed files with 19 additions and 2 deletions
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21
src/viewer.js
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@ -1107,6 +1107,23 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
}
});
/**
* _getSafeElemSize returns getElementSize(), but refuses to return 0 for X or y,
* which was causing some calling operations in updateOnve and openTileSource to
* return NaN.
* @returns {point}
* @private
*/
function _getSafeElemSize (oElement) {
oElement = $.getElement( oElement );
return new $.Point(
(oElement.clientWidth === 0 ? 1 : oElement.clientWidth),
(oElement.clientHeight === 0 ? 1 : oElement.clientHeight)
);
}
/**
* @function
* @private
@ -1121,7 +1138,7 @@ 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 +1531,7 @@ 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 );