多边形裁减，多边形之间的交、并、异或、差。

图像变换的理论基础，包括：剪切与合并、缩放、旋转、镜像、增强CDib等源代码。

vc++6.0环境下实现华矩形的简单小程序，可以直接运行-vc++ 6.0 environment hua realize the simple rectangular applet can be run directly

基于NewMikolajczykDetector产生的.sift文件的特征点匹配！-Image matching and object recognition Based on .sift file generated by NewMikolajczykDetector

将对话框“钉”在屏幕上-dialog box will "nail" on the screen

这是能实现水纹的程序，还有一些效果不错的特效-This is watermarked to achieve the procedure, there are some good effects results

在灰度范围[100,200]内显示图像，以灰度等级20显示图像-In gray-scale range of [100,200] display image to 20 gray levels display images

类似CAD绘图的代码，绘图、拖动、分层选择物件等功能-CAD drawing of a similar code, graphics, drag, select object features such as stratification

将问卷调查结果以图表(柱状图和饼状图)的方式直观的表示出来(调查结果为随机生成的)-outcome of the survey will be to chart (column and Caky) intuitive way to express (findings of the randomly generated)

2D图形库，可通过AllegroGL与opengGL交互，实现优势互补。主要作为2D游戏引擎-2D graphics library, AllegroGL with opengGL through interactive, complementary advantages. Used primarily as a 2D game engine

JAVA写的PNG图片处理工具。很好很强大。-JAVA write PNG image processing tools. Very very strong.