Flex渐变色Canvas，可以设置多种模式显示

Capture JPEG webcam images on your website and submit to your server. Flash + Javascr ipt library which allows you to display a variable-sized Flash movie in your page that captures Webcam snapshots (still frames), and submits them to your serve

把图片当作CANVAS背景的FLEX示例，入门级。-Background of the picture as an example CANVAS