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• Learn-OpenGL-in-python-master
  • ep14_simplifying.py
  • ep01_glfw_window.py
  • ep08_pygame_cube.py
  • ep04_quad_TRIANGLE_STRIP.py
  • ep05_indexed_drawing.py
  • ep22_color_picking.py
  • ep11_view_matrix.py
  • ep09_perspective_projection.py
  • ep13_VAOs.py
  • ep21_texturing_from_framebuffers.py
  • TextureLoader.py
  • ep02_fixed_function_pipeline.py
  • ep12_draw_multiple_cubes.py
  • ep06_rotating_cube.py
  • meshes
    • cube.obj
    • monkey.obj
    • floor.obj
    • monkey_smooth.obj
  • ep18_camera_WASD.py
  • textures
  • ep19_pygame_camera.py
  • ep20_instanced_rendering.py
  • ep17_camera_mouse_capture.py
  • camera.py
  • ep07_textured_cube.py
  • ep10_orthographic_projection.py
  • ep15_obj_loading.py
  • README.md
  • requirements.txt
  • ep03_programmable_pipeline.py
  • ep16_camera.py
  • LICENSE.txt
  • ObjLoader.py

from OpenGL.GL import glBindTexture, glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, \
    GL_TEXTURE_WRAP_T, GL_REPEAT, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER, GL_LINEAR,\
    glTexImage2D, GL_RGBA, GL_UNSIGNED_BYTE

from PIL import Image


# for use with GLFW
def load_texture(path, texture):
    glBindTexture(GL_TEXTURE_2D, texture)
    # Set the texture wrapping parameters
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
    # Set texture filtering parameters
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
    # load image
    image = Image.open(path)
    image = image.transpose(Image.FLIP_TOP_BOTTOM)
    img_data = image.convert("RGBA").tobytes()
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image.width, image.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, img_data)
    return texture


# for use with pygame
def load_texture_pygame(path, texture):
    import pygame
    glBindTexture(GL_TEXTURE_2D, texture)
    # Set the texture wrapping parameters
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
    # Set texture filtering parameters
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
    # load image
    image = pygame.image.load(path)
    image = pygame.transform.flip(image, False, True)
    image_width, image_height = image.get_rect().size
    img_data = pygame.image.tostring(image, "RGBA")
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image_width, image_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, img_data)
    return texture