pyglet_image.py

# -*- coding: utf-8 -*-

import numpy as np
import pyglet
from pyglet.gl import (glBindTexture, glTexImage2D, GL_TEXTURE_2D,
                       GL_RGB, GL_UNSIGNED_BYTE)
import time


window = pyglet.window.Window()

data = np.full((1920, 1080, 3), 0, np.uint8)
image = pyglet.image.ImageData(data.shape[1], data.shape[0], 'RGB',
                               data.tostring())
ball = pyglet.sprite.Sprite(image, x=50, y=50)
ii = 128


@window.event
def on_draw():
    window.clear()
    global ii
    ii = (ii + 2) % 256
    data[:, :, 0].fill(ii)
    # image.set_data('RGB', image.pitch, data.tostring())
    # ball.image = image
    # id_ = image.texture.id
    id_ = ball._texture.owner.id
    glBindTexture(GL_TEXTURE_2D, id_)
    glTexImage2D(
       GL_TEXTURE_2D, 0, GL_RGB, data.shape[1], data.shape[0], 0,
       GL_RGB, GL_UNSIGNED_BYTE, data.ctypes.data)
    pyglet.gl.glFlush()
    # image.blit(0, 0)
    ball.draw()


@window.event
def on_key_press(symbol, key):
    if symbol == pyglet.window.key.ESCAPE:
        window.close()


t0 = time.time()
while not window.has_exit:
    pyglet.clock.tick()
    window.dispatch_events()
    window.dispatch_event('on_draw')
    window.flip()
    this_time = time.time()
    print(int(round(1. / (this_time - t0))))
    t0 = this_time