给出一个矩型框，画圆的算法

甲骨文字体，很少见到。格式是微软的TTF格式，标准精度。-Oracle Truetype Font file of Chinese. Format in MS TTF, standard pricision.

定制钩子过程，实现在打开文件时，添加了位图的预览。-Customization hook process, realize when opening files, add a bitmap preview.

使用标准C++实现位图图像的输入和输出，自定义位图文件的格式。-Bitmap image input and output, since the definition of bitmap file format.

一个很实用的类，封闭了任何windows的多媒体混音控制器。可以用总音量、静音控制及其它任何混音控制器支持的调节方法。-a very pragmatic type, the closed windows of any multimedia sound mixing controller. Total volume can be used, control and mute any other audio mixers controller support method.

autocad编程源代码，适用于VBA Vlisp VC-autocad programming source code, applies to VBA Vlisp VC

用Bresenham画圆算法绘制椭圆-with Bresenham algorithm mapping Circle Oval

图形学中直线的经典算法，其中包括了两个程序写法，都可以执行。供比较用。-Graphics straight classical algorithm, which included a two way process, can be implemented. For comparison.

为Windows位图（Bitmap）调用和调色板（Palette）的C语言源程序。-Windows Bitmap (Bitmap) call and the palette (Palette) of the C language Introduction source.

最新的图像库，可以开发各种图形图像，关键是开源，很好！-The latest image library, a variety of graphical images that can be developed, the key is open source, very good!