C#编写小型的photoshop，能实现13种基本的图像处理操作，比如，灰度映射，直方图操作，平滑滤波，锐化率波，空间变换，浮雕等。-C# prepared small photoshop, can achieve 13 kinds of basic image processing operations, such as gray mapping, histogram operations, smoothing, sharpening rate wave, space conversion,