import sys, math, time
from OpenGL.GLUT import *
from OpenGL.GL import *
from OpenGL.GLU import *


def draw():
    glClear(GL_COLOR_BUFFER_BIT)
    glColor3f(1,0,0)
    glBegin(GL_QUADS)
    glColor3fv([1,0,0])
    glVertex2f(0, 0)
    glColor3f(0,0,1)
    glVertex2f(200, 20)
    glColor3f(1,0,0)
    glVertex2f(200, 300)
    glColor3f(1,0,1)
    glVertex2f(0, 300)
    glColor3ub(0,0,0xff)
    glVertex2f(150, 100)
    glVertex2f(400, 0)
    glVertex2f(400, 400)
    glVertex2f(300, 400)
    glEnd()
    glFlush()

def reshape(w,h):
    glViewport(0, 0, w, h)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    gluOrtho2D(0, w, 0, h)
    glMatrixMode(GL_MODELVIEW)
    glutPostRedisplay()


def keyboard(key, x, y):
    if key == chr(27):
        sys.exit(0)

glutInit([])
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB)
glutInitWindowSize(500, 500)
glutInitWindowPosition(0,0)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutReshapeFunc(reshape)
glutMainLoop()