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Bug 385844: Set Desktop Background: implement preview for image tiling,

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followup patch by Dao Gottwald <dao@design-noir.de>, r=mano
This commit is contained in:
dolske@mozilla.com 2007-07-02 22:36:11 -07:00
parent 022677bbfb
commit 0dbeb4eb58
1 changed files with 3 additions and 7 deletions
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10
browser/components/shell/content/setDesktopBackground.js
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@ -231,14 +231,10 @@ var gSetBackground = {
canvas.width = width;
canvas.height = height;
var tileWidth = Math.floor(this._image.naturalWidth * width / screen.width);
var tileHeight = Math.floor(this._image.naturalHeight * height / screen.height);
var ctx = canvas.getContext("2d");
for (var x = 0; x < width; x += tileWidth) {
for (var y = 0; y < height; y += tileHeight) {
ctx.drawImage(this._image, x, y, tileWidth, tileHeight);
}
}
ctx.fillStyle = ctx.createPattern(this._image, "repeat");
ctx.scale(width / screen.width, height / screen.height);
ctx.fillRect(0, 0, screen.width, screen.height);
this._monitor.appendChild(canvas);
},