A point is the most simple graphics object that can be drawn. It is a small spot on the window. #!/usr/bin/python # -*- coding: utf-8 -*- """ ZetCode PyQt4 tutorial In the example, we draw randomly 1000 red points on the window. author: Jan…

Windows环境下安装GLUT的步骤:1.将下载的压缩包解开,将得到5个文件2.在“我的电脑”中搜索“gl.h”,并找到其所在文件夹(如果是VS,则应该是其安装目录下面的“VC\PlatformSDK\include\gl文件夹”).把解压得到的glut.h放到这个文件夹.3.把解压得到的glut.lib和glut32.lib放到静态函数库所在文件夹(如果是VS,则应该是其安装目录下面的“VC\lib”文件夹).4.把解压得到的glut.dll和glut32.dll放到操作系统目录下面的sys…

HTML5 for the Mobile Web: Touch Events POSTED BY RUADHAN - 15 AUG 2013 See also... Touch-friendly Drag and Drop The HTML5 Pointer Events API: Combining touch, mouse, and pen Web app manifests usher new wave of progressive apps to your homescreen Taki…

原文地址:https://www.codeproject.com/articles/14075/high-speed-charting-control 本文翻译在CodeProject上的介绍(主要还是谷歌翻译.看不太明确的地方,请对照原文.敬请原谅),方便自己和后面人的学习(花费了两天时间.希望是值得的). 推荐一个前辈写的东西:TeeChart替代品,MFC下好用的快速画图控件-(Hight-Speed Charting),自己也转载了这篇文章,在转载的文章中依据自己的实验改动了一些东西.改…

My initial attempt to port over an old Actionscript program, here it goes in main.brs. Library "v30/bslDefender.brs" ''''''''''''''''''''''''''''''''''''''''''''''''''' ' function Main() as void screen = CreateObject("roScreen") port =…

由于项目需求需要用到一个画板功能,需要这个画板可以实时的画,并且需要保存画板点集合从一端发送给另一端 达到一个实时同步的功能,前后使用了三种方法,每一种都遇到各种坑(后面会提到,每一种方法的优缺点),而且现在能百度到的demo普遍偏简单,分享出来给大家一个参照吧.<UIBezierPath画线,NSUndoManager+ Quartz2D ,OpenGLES>   画板.gif Demo UI写的很是糙 大家不要吐槽. 一. UIBezierPath 画板方法的实现 1 UIBezierPa…

Keywords: 极角排序, Simple Polygon Generation Given set of points in the plane, your task is to draw a polygon using the points. You have to use all the points. To be more specific, each point of the set has to be a vertex of the polygon, and the polygon…

基本的几何图形,标注功能. commondLineParser的使用参见:http://blog.csdn.net/u010305560/article/details/8941365 #include "opencv2/core.hpp" #include "opencv2/imgproc.hpp" #include "opencv2/highgui.hpp" #include <stdio.h> #include <iost…

We can use the Arc XAML element to draw arcs in XAML. Besides drawing arcs using the Arc element, we can also use the ArcSegment element. The ArcSegment is useful when an arc becomes a part of a graphics path or a larger geometric object. In this art…

1285 - Drawing Simple Polygon   PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB Given set of points in the plane, your task is to draw a polygon using the points. You have to use all the points. To be more specific, each po…