图像变换包括旋转90、180、270，缩放，水平镜像和垂直，裁剪-90,180,270 transform images, including rotation, scaling, horizontal and vertical mirror, cutting

vc++陶氏作图系统（画图）源代码，支持画直线、画圆、画多边形、画曲线、随手画图形、添加文本、图像裁剪、清空画板、随机线生成等氏量绘制工具，是一个比较经典的VC++图形绘制程序，是一个很不错的参考。 -mapping system vc++ Dow (drawing) source code, support for drawing a straight line, circle, polygon drawing, painting curve, hand painted graphics,

vc++陶氏作图系统（画图）源代码，支持画直线、画圆、画多边形、画曲线、随手画图形、添加文本、图像裁剪、清空画板、随机线生成等氏量绘制工具，是一个比较经典的VC++图形绘制程序，是一个很不错的参考-mapping system of vc++ Dow (drawing) source code, to support draw a straight line, circle, polygon drawing, draw curves, the Freehand graphics, add tex

图像的读取、显示和裁剪，并可以读取和显示矢量数据。-we can read,show and cut images,and can also read and show vector data.