eg:
var sp:Sprite = new Sprite();
sp.graphics.lineStyle(....);
sp.graphics.drawLine(xxx,yyy);
sp.addEventLisener(MouseEvent.MOUSE_DOWN, function(event:MouseEvent):void{
抠图一般都是用BitmapData抓图,抓了图之后用图形转换类去生成bytearray,现在JPEGEncoder这个类已经做到API里了(第三方的先出来的。。)
var encoder:JPGEncoder = new JPGEncoder(80);
var bytes:ByteArray = encoder.encode(bitmapdata);
var request:URLRequest = new URLRequest("url");
request.data = bytes;
request.method = URLRequestMethod.POST;
request.contentType = "application/octet-stream";
navigateToURL(request, "_self");
发到服务端存成图片就可以了,不规则图形应该还是截取矩形,我刚试了下,用graphics画出来的圆,抓了图后,只能看到圆的部分,矩形的其他部分会是白色(不受容器背景色影响)