by hitode909
2012-03-24 [2012/03/24 13:23:50]
文字を汚ない画像にするやつ 例 → http://dl.dropbox.com/u/8270034/g/e333618264368ada4432c70ffe376447.png
/*
* @title 文字を汚ない画像にするやつ
* @description 文字を汚ない画像にするやつ
* @include http://*
* @license MIT License
* @require http://hitode909.appspot.com/text_to_image/text_to_image.js
*/
var walkTextNode = function(node, callback) {
var children = node.childNodes;
for (var i = 0, len = children.length; i < len; i++) {
var child = children[i];
if (child.nodeType == 3) {
callback(child);
} else if (child.childNodes.length > 0 && child.offsetWidth > 0 && ! node.tagName.match(/script/)) {
walkTextNode(child, callback);
}
}
}
walkTextNode(document.body, function(node) {
if (node.textContent.match(/^\s+$/)) return;
var style = document.defaultView.getComputedStyle(node.parentNode, '');
var tti = new TextToImage;
tti.text = node.textContent;
tti.width = node.parentNode.offsetWidth;
tti.font = style.font;
tti.color = style.color;
tti.background = (style.backgroundColor == 'rgba(0, 0, 0, 0)' ? '#ffffff' : style.backgroundColor);
node.parentNode.replaceChild(tti.createImage('image/jpeg', 0.01), node);
});