def test_bgr_to_rgba():
data = os.urandom(192)
array = np.ndarray((8, 8, 3), 'u1', data)
result = glnext.rgba(data, 'bgr')
assert len(result) == 256
expected = np.full((8, 8, 4), 255, 'u1')
expected[:, :, 0] = array[:, :, 2]
expected[:, :, 1] = array[:, :, 1]
expected[:, :, 2] = array[:, :, 0]
assert result == expected.tobytes()
def test_lum_to_rgba():
data = os.urandom(64)
array = np.ndarray((8, 8), 'u1', data)
result = glnext.rgba(data, 'lum')
assert len(result) == 256
expected = np.full((8, 8, 4), 255, 'u1')
expected[:, :, 0] = array
expected[:, :, 1] = array
expected[:, :, 2] = array
assert result == expected.tobytes()
def test_bgra_to_rgba():
data = os.urandom(256)
array = np.ndarray((8, 8, 4), 'u1', data)
result = glnext.rgba(data, 'bgra')
assert len(result) == 256
expected = np.zeros((8, 8, 4), 'u1')
expected[:, :, 0] = array[:, :, 2]
expected[:, :, 1] = array[:, :, 1]
expected[:, :, 2] = array[:, :, 0]
expected[:, :, 3] = array[:, :, 3]
assert result == expected.tobytes()
import glnext
import imageio
import mymodule
windows = mymodule.init()
instance = glnext.instance(surface='VK_KHR_win32_surface')
image = instance.image((640, 360), mode='output')
buffer = instance.staging_buffer([[image]])
for wnd in windows:
instance.surface(wnd, image)
reader = imageio.get_reader('assets/bunny.mp4')
for im in reader:
buffer.write(glnext.rgba(im, 'rgb'))
instance.run()
def test_rgba_to_rgba():
data = os.urandom(256)
result = glnext.rgba(data, 'rgba')
assert len(result) == 256
assert result == data