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

img = Image.open('image.jpg').transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')

def draw():
    glClearColor(1,1,0,0)
    glClear(GL_COLOR_BUFFER_BIT)
    glPixelStoref(GL_UNPACK_ALIGNMENT, 1)
    glRasterPos2f(-0.5, -1.0)
    glDrawPixels(img.size[0], img.size[1], GL_RGB, 
                 GL_UNSIGNED_BYTE, img.tostring())
    glutSwapBuffers()

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

def idle():
    glutPostRedisplay()

glutInit([])
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB)
glutInitWindowSize(500, 500)
glutInitWindowPosition(0,0)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutIdleFunc(idle)
glutMainLoop()