GDI+存在的意义:将变成与具体硬件实现细节分开. GDI+步骤:获取画布,绘制图像.处理图像 命名空间: using System.Drawing;//提供对GDI+基本图形功能的访问 using System.Drawing.Drawing2D;//提供高级的二维和矢量图像功能 using System.Drawing.Imaging;//提供高级GDI+图像处理功能 using System.Drawing.Printing;//提供打印相关服务 using System.Drawing.
1.首先说一下canvas类: Class Overview The Canvas class holds the "draw" calls. To draw something, you need 4 basic components: A Bitmap to hold the pixels, a Canvas to host the draw calls (writing into the bitmap), a drawing primitive (e.g. Rect, Path,