Elliptic-Curve-Encryption-Algorithm

解析法面积计算,读数据文件,计算后生成结果文件,任意多边形的顶点坐标,然后 计算出面积是平方米和公顷(analytical calculation, reading data files, calculation results generated documents, arbitrary polygon vertices, then compute the area of square meters and ha)

可以动态移动的尺度的设计，适合图形显示和控制(The scale can be designed to dynamically move, for graphics display and control)

open cascade 二维图形生成例子程序(open cascade two-dimensional graph of sample program)

三次bezier曲线的绘制（其中调用pow（））。(The drawing of cubic Bezier curve (where pow ()).)

c++图形的绘制(曲线图.饼状图.柱状图) 以及 图形的打印 与打印预览(c++ graphics rendering (curves. caky Fig. histogram), and graphics printing and print preview)

本程序实现了计算机图形学的一些重要算法（画直线，画圆，画椭圆，区域填充，图形裁剪，齿轮生成，三次样条曲线等等），源码和可执行程序均打包于文件中(this program is implemented some important algorithm of computer graphics such as drawing lines,drawing circles,drawing ellipse,area filling,Graphics clipping，gear wheel generation ，three times spline curve and so on），source code and executable files are all included in the compressed file。 )

简单画图板，初学者实用，比较简单，如果喜欢可以下载来看看(Simple drawing board, beginners practical, relatively simple)

C/c++趣味程序百例(献给C/C++初学者) 1.绘制余弦曲线 2.绘制余弦曲线和直线 3.绘制圆 4.歌星大奖赛 5.求最大数 6.高次方数的尾数 7.阶乘尾数零的个数 8.借书方案知多少 9.杨辉三角形 10.数制转换 11.打鱼还是晒网 12.抓交通肇事犯 13.该存多少钱 14.怎样存钱利最大 (The C/c++ interesting program one hundred cases (dedicated C/C++, beginners) 1. Draw the cosine curve. Draw cosine curves and straight lines to high power mantissa draw a circle 4 star Grand Prix. Seeking maximum number of 6. 7 factorial ending number of zeros 8 Know Your library program. Triangle 10 number system conversion 11. fishing or drying nets 12. caught guilty of traffic accident 13. the how much money 14 How to save money Lee maximum)

说明：  几个常用的visio模具，想用的下载来用吧(Several commonly used Visio molds. Download them if you want to use them)

当用户按下鼠标左键在如下图所示的面板上移动鼠标时，根据鼠标的移动轨迹在面板上画图。(When the user presses the left mouse button on the panel as shown in the following figure to move the mouse, according to the mouse movement trajectory in the panel drawing.)