摘要：
原文：http://www.alloyteam.com/2012/07/convert-picture-to-sketch-by-canvas/腾讯的alloy team写的一个素描效果，挺不错的。<img title="sketch" src="http://www.alloyteam.com/wp-content/uploads/auto_save_image/2012/07/0208516qY.png" alt="" width="534" height="398&qu 阅读全文
摘要：
原文：http://www.2cto.com/kf/201209/156169.html前端的代码：[javascript]function drawArrow(angle){ //Init canvas var canvas = $('#cv_Arrow')[0]; var context = canvas.getContext('2d'); var width = canvas.width; var height = canvas.height; context.clearRect(0, 0, width, height); //Rotate var dis 阅读全文
摘要：
原文:http://www.oschina.net/code/snippet_12_3073function addDNDListeners(){ var container = document.getElementById("container"); var fileList = document.getElementById("fileList"); container.addEventListener("dragenter", function(event){ fileList.innerHTML =''; e 阅读全文