Pillow/Tests/test_image_getbbox.py
2023-05-02 08:41:18 +10:00

56 lines
1.4 KiB
Python

import pytest
from PIL import Image
from .helper import hopper
def test_sanity():
bbox = hopper().getbbox()
assert isinstance(bbox, tuple)
def test_bbox():
def check(im, fill_color):
assert im.getbbox() is None
im.paste(fill_color, (10, 25, 90, 75))
assert im.getbbox() == (10, 25, 90, 75)
im.paste(fill_color, (25, 10, 75, 90))
assert im.getbbox() == (10, 10, 90, 90)
im.paste(fill_color, (-10, -10, 110, 110))
assert im.getbbox() == (0, 0, 100, 100)
# 8-bit mode
im = Image.new("L", (100, 100), 0)
check(im, 255)
# 32-bit mode
im = Image.new("RGB", (100, 100), 0)
check(im, 255)
for mode in ("RGBA", "RGBa"):
for color in ((0, 0, 0, 0), (127, 127, 127, 0), (255, 255, 255, 0)):
im = Image.new(mode, (100, 100), color)
check(im, (255, 255, 255, 255))
for mode in ("La", "LA", "PA"):
for color in ((0, 0), (127, 0), (255, 0)):
im = Image.new(mode, (100, 100), color)
check(im, (255, 255))
@pytest.mark.parametrize("mode", ("RGBA", "RGBa", "La", "LA", "PA"))
def test_bbox_alpha_only_false(mode):
im = Image.new(mode, (100, 100))
assert im.getbbox(False) is None
fill_color = [1] * Image.getmodebands(mode)
fill_color[-1] = 0
im.paste(tuple(fill_color), (25, 25, 75, 75))
assert im.getbbox(False) == (25, 25, 75, 75)
assert im.getbbox() is None