qt painter 画圆

qtpainter画圆

在Qt和OpenGL中，可以通过OpenGL的绘图功能来绘制圆形。以下是一个简单的示例，演示了如何使用Qt和OpenGL绘制一个圆形：```cppinclude include include include include class CircleWidget : public QOpenGLWidget, protected QOpenGLFunctions{public: CircleWidget(QWidget *parent = nullptr) : QOpenGLWidget(parent) {}...