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Moved property from prototype to constructor and renamed private function

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Yochay Doutsh 2019-02-10 14:57:35 +02:00
parent ef068e9229
commit 712e3d8dd1
1 changed files with 7 additions and 7 deletions
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14
src/drawer.js
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@ -130,6 +130,10 @@ $.Drawer = function( options ) {
// explicit left-align // explicit left-align
this.container.style.textAlign = "left"; this.container.style.textAlign = "left";
this.container.appendChild( this.canvas ); this.container.appendChild( this.canvas );
// Image smoothing for canvas rendering (only if canvas is used).
// Canvas default is "true", so this will only be changed if user specified "false".
this._imageSmoothingEnabled = true;
}; };
/** @lends OpenSeadragon.Drawer.prototype */ /** @lends OpenSeadragon.Drawer.prototype */
@ -254,7 +258,7 @@ $.Drawer.prototype = {
this.sketchCanvas.width = sketchCanvasSize.x; this.sketchCanvas.width = sketchCanvasSize.x;
this.sketchCanvas.height = sketchCanvasSize.y; this.sketchCanvas.height = sketchCanvasSize.y;
} }
this._setImageSmoothingEnabled(); this._updateImageSmoothingEnabled();
} }
this._clear(); this._clear();
} }
@ -609,10 +613,6 @@ $.Drawer.prototype = {
} }
}, },
// private
_imageSmoothingEnabled: true,
/** /**
* Turns image smoothing on or off for this viewer. Note: Ignored in some (especially older) browsers that do not support this property. * Turns image smoothing on or off for this viewer. Note: Ignored in some (especially older) browsers that do not support this property.
* *
@ -624,13 +624,13 @@ $.Drawer.prototype = {
setImageSmoothingEnabled: function(imageSmoothingEnabled){ setImageSmoothingEnabled: function(imageSmoothingEnabled){
if ( this.useCanvas ) { if ( this.useCanvas ) {
this._imageSmoothingEnabled = imageSmoothingEnabled; this._imageSmoothingEnabled = imageSmoothingEnabled;
this._setImageSmoothingEnabled(); this._updateImageSmoothingEnabled();
this.viewer.forceRedraw(); this.viewer.forceRedraw();
} }
}, },
// private // private
_setImageSmoothingEnabled: function(){ _updateImageSmoothingEnabled: function(){
var context = this.context; var context = this.context;
context.mozImageSmoothingEnabled = this._imageSmoothingEnabled; context.mozImageSmoothingEnabled = this._imageSmoothingEnabled;
context.webkitImageSmoothingEnabled = this._imageSmoothingEnabled; context.webkitImageSmoothingEnabled = this._imageSmoothingEnabled;