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Bug 385844 - Set Desktop Background: implement preview for image tiling. patch from Dao Gottwald <dao@design-noir.de>, r=me.

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mozilla.mano@sent.com 2007-06-25 18:03:39 -07:00
parent 40bafded02
commit f56fe4e0aa
2 changed files with 19 additions and 16 deletions
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34
browser/components/shell/content/setDesktopBackground.js
View File

@ -21,6 +21,7 @@
# Contributor(s):
# Blake Ross <blake@blakeross.com>
# Ben Goodger <ben@mozilla.org>
# Dao Gottwald <dao@design-noir.de>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
@ -36,7 +37,8 @@
#
# ***** END LICENSE BLOCK *****
const kXUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const kXUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const kHTML_NS = "http://www.w3.org/1999/xhtml";
const kIShellService = Components.interfaces.nsIShellService;
#ifdef XP_MACOSX
const kIMacShellService = Components.interfaces.nsIMacShellService;
@ -121,7 +123,7 @@ var gSetBackground = {
var r = (color & rMask) >> 16;
var g = (color & gMask) >> 8;
var b = (color & bMask);
this._backgroundColor = this._rgbToHex(r, g, b);
this.updateColor(this._rgbToHex(r, g, b));
var colorpicker = document.getElementById("desktopColor");
colorpicker.color = this._backgroundColor;
@ -175,9 +177,7 @@ var gSetBackground = {
{
#ifndef XP_MACOSX
this._backgroundColor = color;
if (this._position != kIShellService.BACKGROUND_TILE)
this._monitor.style.backgroundColor = color;
this._monitor.style.backgroundColor = color;
#endif
},
@ -217,8 +217,6 @@ var gSetBackground = {
_stretchImage: function ()
{
this.updateColor(this._backgroundColor);
var img = this._createImage();
img.width = this._monitor.boxObject.width;
img.height = this._monitor.boxObject.height;
@ -227,20 +225,26 @@ var gSetBackground = {
_tileImage: function ()
{
var bundle = document.getElementById("backgroundBundle");
var canvas = document.createElementNS(kHTML_NS, "canvas");
var width = this._monitor.boxObject.width;
var height = this._monitor.boxObject.height;
canvas.width = width;
canvas.height = height;
this._monitor.style.backgroundColor = "white";
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);
}
}
var text = document.createElementNS(kXUL_NS, "label");
text.setAttribute("id", "noPreviewAvailable");
text.setAttribute("value", bundle.getString("DesktopBackgroundNoPreview"));
this._monitor.appendChild(text);
this._monitor.appendChild(canvas);
},
_centerImage: function ()
{
this.updateColor(this._backgroundColor);
var img = this._createImage();
// Use naturalHeight/Width here so we don't scale an image improperly in
// the preview window if the image is resized in the browser window.

1
browser/locales/en-US/chrome/browser/shellservice.properties
View File

@ -5,6 +5,5 @@ setDefaultBrowserMessage=%S is not currently set as your default browser. Would
setDefaultBrowserDontAsk=Always perform this check when starting %S.
alreadyDefaultBrowser=%S is already set as your default browser.
desktopBackgroundLeafNameWin=Desktop Background.bmp
DesktopBackgroundNoPreview=(no preview available)
DesktopBackgroundDownloading=Saving Picture...
DesktopBackgroundSet=Set Desktop Background