';
newWindow.document.write(html);
newWindow.document.close();
newWindow.focus();
}
}
/*
* TypeHelpers version 1.0 Zoltan Hawryluk, Nov 24 2009.
*
* Released under the MIT License.
* http://www.opensource.org/licenses/mit-license.php
*
* Works for - IE6+ (Windows), - Firefox 3.5+ (Windows, Mac, Linux), - Safari 4+
* (Windows, Mac OS X), - Chrome 3.0+ (Windows). Opera 10.10 and under reports
* unknown support for font-smoothing.
*
*
* METHODS -------
*
* hasSmoothing() returns: true if font smoothing is enabled false if font
* smoothing isn't enabled null if it cannot detect if it's on or not.
*
* addClasses() adds the following classes to the html tag:
* "hasFontSmoothing-true" if font smoothing is enabled "hasFontSmoothing-false"
* if it isn't "hasFontSmoothing-unknown" if it cannot detect it.
*
*/
var TypeHelpers = new function() {
var me = this;
me.hasSmoothing = function() {
// IE has screen.fontSmoothingEnabled - sweet!
if (typeof(screen.fontSmoothingEnabled) != "undefined") {
return screen.fontSmoothingEnabled;
} else {
try {
// Create a 35x35 Canvas block.
// WKR NOTE: changed size and other values to detect non-smoothing for
// *small* font sizes with Windows XP's "standard" smoothing which only
// applies to bold and large text
var i, j, ctx, imageData, alpha,
canvasNode = document.createElement("canvas");
canvasNode.width = "20";
canvasNode.height = "20"
// We must put this node into the body, otherwise
// Safari Windows does not report correctly.
canvasNode.style.display = "none";
document.body.appendChild(canvasNode);
ctx = canvasNode.getContext("2d");
// draw a black letter "O", 32px Arial.
ctx.textBaseline = "top";
ctx.font = "14px Arial";
ctx.fillStyle = "black";
ctx.strokeStyle = "black";
ctx.fillText("O", 0, 0);
// start at (8,1) and search the canvas from left to right,
// top to bottom to see if we can find a non-black pixel. If
// so we return true.
for (j = 1; j <= 15; j++) {
for (i = 1; i <= 15; i++) {
imageData = ctx.getImageData(i, j, 1, 1).data;
alpha = imageData[3];
if (alpha != 255 && alpha != 0) {
return true; // font-smoothing must be on.
}
}
}
// didn't find any non-black pixels - return false.
return false;
} catch (ex) {
// Something went wrong (for example, Opera cannot use the
// canvas fillText() method. Return null (unknown).
return null;
}
}
}
/*
* me.insertClasses = function() { var result = me.hasSmoothing(); var
* htmlNode = document.getElementsByTagName("html")[0]; if (result == true) {
* htmlNode.className += " hasFontSmoothing-true"; } else if (result ==
* false) { htmlNode.className += " hasFontSmoothing-false"; } else { //
* result == null htmlNode.className += " hasFontSmoothing-unknown"; } }
*/
}
/*
* if EventHelpers.js is included, insert the hasFontSmoothing CSS classes if
* (window.EventHelpers) {
* EventHelpers.addPageLoadEvent("TypeHelpers.insertClasses") }
*
*/