很奇怪的: 关于 OpenGL drawing in a QGraphicsView.
--------------------编程问答-------------------- I revised the line to : glPolygonMode(GL_BACK, GL_LINE); the problem still exists,HHHOoooWWwwever, glPolygonMode(GL_FRONT, GL_LINE); sloved the problem and the two items come out to be as expected.
Why?
补充:移动开发 , Qt