def test_load_image(self):
filename = self.get_test_data_file('images', '8bpp.gif')
with open(filename, 'rb') as f:
loader = gdkpixbuf2.GdkPixBufLoader(f, filename)
pixbuf = loader.get_pixbuf()
assert pixbuf is not None
assert pixbuf.height == 257
assert pixbuf.width == 235
assert pixbuf.channels == 4
assert pixbuf.has_alpha
image = pixbuf.to_image()
assert image is not None
assert image.height == 257
assert image.width == 235
def test_load_animation(self):
filename = self.get_test_data_file('images', 'dinosaur.gif')
with open(filename, 'rb') as f:
loader = gdkpixbuf2.GdkPixBufLoader(f, filename)
gdk_anim = loader.get_animation()
assert gdk_anim is not None
anim = gdk_anim.to_animation()
assert anim is not None
assert len(anim.frames) == 12
for frame in anim.frames:
assert frame.image is not None
assert frame.duration is not None
assert frame.duration == 0.1
assert frame.image.width == 129
assert frame.image.height == 79
def test_load_image_requires_loader_close(self):
"""Some image files require the loader to be closed to force it
to read and parse all data."""
filename = self.get_test_data_file('images', 'gdk_close.png')
with open(filename, 'rb') as f:
loader = gdkpixbuf2.GdkPixBufLoader(f, filename)
pixbuf = loader.get_pixbuf()
assert pixbuf is not None
assert pixbuf.height == 200
assert pixbuf.width == 200
assert pixbuf.channels == 4
assert pixbuf.has_alpha
image = pixbuf.to_image()
assert image is not None
assert image.height == 200
assert image.width == 200
def test_incomplete_load(self):
"""Start loading a file and stop. Should clean up correctly."""
filename = self.get_test_data_file('images', 'gdk_close.png')
with open(filename, 'rb') as f:
loader = gdkpixbuf2.GdkPixBufLoader(f, filename)
del loader