Marker_demo21.zip - In the demo project, I create a simple graph with four series of data. It demonstrates different options of marker, such as shapes, colors, etc. When the cursor hits a marker, the background data value will be displayed by tool tip. Some API functions, such as CRgn::PtInRegion(), in HitTest() work best in device coordinates. It may be a good practice to convert the test-point into device coordinates. In the demo, I create one marker for each data series. If you want to use different marker option within one data series, you have to create one marker for each data point. ,2005-07-22 10:51:18,下载21次
polygonclip_demo.zip - Polygon clipping is one of those humble tasks computers do all the time. It s a basic operation in creating graphic output of all kinds. There are several well-known polygon clipping algorithms, each having its strengths and weaknesses. The oldest one (from 1974) is called the Sutherland-Hodgman algorithm. In its basic form, it is relatively simple. It is also very efficient in two important cases, one being when the polygon is completely inside the boundaries, and the other when it s completely outside.,2005-07-22 10:44:25,下载32次
IE6.0sp1-KB823353-x86-CHS.rar - ie 升级包，方便读者升级使用ie。对于防止病毒从浏览器中倾入有良好的作用。,2005-07-22 10:29:58,下载4次