opengl pyqt 显示文字

目录

效果图

效果图

 
import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QOpenGLWidget
 
from OpenGL.GL import *
from OpenGL.GLUT import *
from OpenGL.GLU import *
 
class OpenGLWidget(QOpenGLWidget):
    def __init__(self, parent=None):
        super(OpenGLWidget, self).__init__(parent)
 
    def initializeGL(self):
        glClearColor(0, 0, 0, 0)
        glEnable(GL_DEPTH_TEST)
        glutInit()
 
    def resizeGL(self, width, height):
        glViewport(0, 0, width, height)
        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()
        gluPerspective(45, width / height, 1, 100)
        glMatrixMode(GL_MODELVIEW)
        glLoadIdentity()
 
    def paintGL(self):
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
        glLoadIdentity()
        glTranslatef(-1.5, 0.0, -6)
 
        # 使用GLUT渲染数字
        glColor3f(1.0, 1.0, 1.0)  # 设置数字颜色
        glRasterPos2f(0, 0)  # 设置数字位置
        for char in "123":
            glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_24, ord(char))
 
class MainWindow(QMainWindow):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.setCentralWidget(OpenGLWidget(self))
        self.setWindowTitle("PyQt OpenGL Example")
 
if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())