flash 游戏中常用的水纹效果，封装成API的形式，调用非常方便-flash games effects of commonly used Watermark

给上传图片加个图片水印，文字水印的功能，把图片印刷到图片上 两个文件都必须同时存在-Upload pictures to add picture watermark, text watermark function, the image printing to the picture on the two documents have to be there at the same time