实现图片的浏览、放大、缩小、复制、移动等功能,The realization of image browsing, zooming and narrow, copy, move and other functions

照片自动浏览，用户选择要浏览的文件夹，可以进行图片的自动浏览，有淡入淡出效果。-Photo auto-browsing, the user selects to browse the file folders, pictures can be auto-surf, it fades.