kallithea Changeset - 97f8ae90566a

Changeset - 97f8ae90566a

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Mads Kiilerich - 11 years ago 2014-08-21 23:46:55
madski@unity3d.com

graph: handle failing canvas creation

Seen randomly when PR had "No changesets" or when reloading while the changelog
+ graph was loading.

1 file changed with 4 insertions and 0 deletions:

kallithea/public/js/graph.js

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kallithea/public/js/graph.js

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@@ @@ -26,12 +26,16 @@ function BranchRenderer(canvas_id, conte @@
 	this.canvas = document.getElementById(canvas_id);
 	var t = document.getElementById(content_id);
 	if (!document.createElement("canvas").getContext)
 		this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
 	if (!this.canvas) { // canvas creation did for some reason fail - fail silently
 		this.render = function(data,canvasWidth) {};
 		return;
+	}
 	this.ctx = this.canvas.getContext('2d');
 	this.ctx.strokeStyle = 'rgb(0, 0, 0)';
 	this.ctx.fillStyle = 'rgb(0, 0, 0)';
 	this.cur = [0, 0];
 	this.line_width = 2.0;
 	this.dot_radius = 3.5;

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