Introduction - If you have any usage issues, please Google them yourself
In this paper, talk about how to draw some basic graphics, these graphics, lines, circles, ellipses, polygons with opencv. Reference materials comes with for the opencv tutiol and its code. Development environment: ubuntu12.04+Qt4.8.2+QtCreator2.5+opencv2.4.2 experimental feature: 1. To click Drawing1 button will draw the atom graphics, and can be seen that the formation process of the diagram is divided into five steps painting, each unfinished a part of the automatic stay 1s, to observe, and then draw a part of until the completion of the atom graphics. 2 click Drawing2 button, the rook will be to draw graphics, and can be seen that the formation process of the diagram is divided into three steps painting, every unfinished a part of the automatic stay 1s, to observe, and then painted a part of the until the completion of the atom graphics. 3 Click the close button to exit the program.