kallithea Changeset - 2346f7b1b82a

Changeset - 2346f7b1b82a

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Mads Kiilerich - 11 years ago 2015-02-19 00:00:40
madski@unity3d.com

graph: work around Firefox OS X limit of canvas size 32k when scaling

1 file changed with 3 insertions and 2 deletions:

kallithea/public/js/graph.js

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kallithea/public/js/graph.js

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@@ @@ -65,14 +65,15 @@ function BranchRenderer(canvas_id, conte @@
 	this.render = function(data,canvasWidth) {
 		var idx = 1;
 		this.canvas.setAttribute('width',canvasWidth);
 		this.canvas.setAttribute('height',content.clientHeight);
 		// retina version needs to be scaled by 2x then halved via css
 		if (window.devicePixelRatio) {
 		// HiDPI version needs to be scaled by 2x then halved via css
 		// Note: Firefox on OS X fails scaling if the canvas height is more than 32k
 		if (window.devicePixelRatio && content.clientHeight * window.devicePixelRatio < 32768) {
 			this.canvas.setAttribute('width', canvasWidth * window.devicePixelRatio);
 			this.canvas.setAttribute('height', content.clientHeight * window.devicePixelRatio);
 			this.canvas.style.width = canvasWidth + "px";
 			this.canvas.style.height = content.clientHeight + "px";
 			this.ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
+		}

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