Sindbad~EG File Manager
_html2canvas.Util.Support = function (options, doc) {
function supportSVGRendering() {
var img = new Image(),
canvas = doc.createElement("canvas"),
ctx = (canvas.getContext === undefined) ? false : canvas.getContext("2d");
if (ctx === false) {
return false;
}
canvas.width = canvas.height = 10;
img.src = [
"data:image/svg+xml,",
"<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'>",
"<foreignObject width='10' height='10'>",
"<div xmlns='http://www.w3.org/1999/xhtml' style='width:10;height:10;'>",
"sup",
"</div>",
"</foreignObject>",
"</svg>"
].join("");
try {
ctx.drawImage(img, 0, 0);
canvas.toDataURL();
} catch(e) {
return false;
}
_html2canvas.Util.log('html2canvas: Parse: SVG powered rendering available');
return true;
}
// Test whether we can use ranges to measure bounding boxes
// Opera doesn't provide valid bounds.height/bottom even though it supports the method.
function supportRangeBounds() {
var r, testElement, rangeBounds, rangeHeight, support = false;
if (doc.createRange) {
r = doc.createRange();
if (r.getBoundingClientRect) {
testElement = doc.createElement('boundtest');
testElement.style.height = "123px";
testElement.style.display = "block";
doc.body.appendChild(testElement);
r.selectNode(testElement);
rangeBounds = r.getBoundingClientRect();
rangeHeight = rangeBounds.height;
if (rangeHeight === 123) {
support = true;
}
doc.body.removeChild(testElement);
}
}
return support;
}
return {
rangeBounds: supportRangeBounds(),
svgRendering: options.svgRendering && supportSVGRendering()
};
};
Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists