ampersand graphics

I used the graphics view framework of QT (using Python + pyqt) in a mouse availability test project. This is a simple introduction. Article The graphics view framework provides a simple, easy-to-use, and powerful solution for 2D plotting. If you are developing software that requires complex 2D plotting functions, consider using it. Structure of QT 2D drawing system Qt's 2D drawing system can be divid

examples: http://www.hightopo.com/demos/index.htmlObviously http://www.hightopo.com/demos/index.html compared to the http://www.hightopo.com/guide/readme.html page, for HT old users including our own to do technical support, All feel more intuitive to find examples, but for the HT beginner, facing this heap of hundreds of generic components, network topology diagram components, three-dimensional components, vector graphics, various editors and so on

The Android graphics system adopts the Client/Server architecture. SurfaceFlinger is mainly written by C ++ code. The Client code is divided into two parts. One part is the supplied and used APIs provided by Java, and the other part is the underlying implementation written by C ++. An important concept and clue in the Android graphics system is surface. View and its subclass, such as TextView and Button, mu

. Second, the complete process of drawing the program starts, displays the custom view. When the program first appears in front of us, the program calls the DrawRect: method, gets the graphics context (in memory), and then uses the graphical context to save the drawing information, which can be understood as an area in the graphical context to hold the drawing information, An area is used to save the state of the drawing (line width, fillet, color).Th

UBUNTU14 There is no problem solving the video card, there will be such a problem1. Power consumption particularly fast, fan turn2. The mouse key head display has the problem, the flicker, simply cannot use, easy to get stuck can not find the mouse arrow where, the feeling graphical interface display also has the problem, is unstableAfter solving the problem with the graphics card, these problems will be solved2015.04.22Ubuntu 12.04 (also for system v

[I give Unity official video tutorial to do Chinese subtitles]beginner graphics–lessons series Grid renderer and filter mesh renderers and filtersThis article shares a 4th completed video, the Beginner Graphics–lessons series Grid renderer and filter mesh renderers and filters. Listen to the translation, the time axis, suppress the person is oneself. Do not use the video for illegal purposes.In need of high

[I give Unity official video tutorial to do Chinese subtitles]beginner graphics–lessons series of cameras introduced camerasRecently got some of the official Unity video tutorials, all in plain English, without any subtitles or speeches or anything. Although basically understand, but it is difficult to hear some of the detailed knowledge points. So the idea of doing Chinese subtitles was created. This article shares the first completed video, the "Beg

MySQL is the most popular open source SQL database management system, it by MySQL AB Development, release and support, MySQL performance is very high, running very fast, and very easy to use. is a very popular database, PHP and MySQL perfect combination. The following is a MySQL installation diagram, with the executable file installed, double-click Decompression, run "Setup.exe", the following interface appears MySQL Installation graphics