mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-14 13:46:57 +03:00
80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
import pytest
|
|
|
|
from PIL import Image, WmfImagePlugin
|
|
|
|
from .helper import assert_image_similar, hopper
|
|
|
|
|
|
def test_load_raw():
|
|
|
|
# Test basic EMF open and rendering
|
|
with Image.open("Tests/images/drawing.emf") as im:
|
|
if hasattr(Image.core, "drawwmf"):
|
|
# Currently, support for WMF/EMF is Windows-only
|
|
im.load()
|
|
# Compare to reference rendering
|
|
with Image.open("Tests/images/drawing_emf_ref.png") as imref:
|
|
imref.load()
|
|
assert_image_similar(im, imref, 0)
|
|
|
|
# Test basic WMF open and rendering
|
|
with Image.open("Tests/images/drawing.wmf") as im:
|
|
if hasattr(Image.core, "drawwmf"):
|
|
# Currently, support for WMF/EMF is Windows-only
|
|
im.load()
|
|
# Compare to reference rendering
|
|
with Image.open("Tests/images/drawing_wmf_ref.png") as imref:
|
|
imref.load()
|
|
assert_image_similar(im, imref, 2.0)
|
|
|
|
|
|
def test_register_handler(tmp_path):
|
|
class TestHandler:
|
|
methodCalled = False
|
|
|
|
def save(self, im, fp, filename):
|
|
self.methodCalled = True
|
|
|
|
handler = TestHandler()
|
|
original_handler = WmfImagePlugin._handler
|
|
WmfImagePlugin.register_handler(handler)
|
|
|
|
im = hopper()
|
|
tmpfile = str(tmp_path / "temp.wmf")
|
|
im.save(tmpfile)
|
|
assert handler.methodCalled
|
|
|
|
# Restore the state before this test
|
|
WmfImagePlugin.register_handler(original_handler)
|
|
|
|
|
|
def test_load_dpi_rounding():
|
|
# Round up
|
|
with Image.open("Tests/images/drawing.emf") as im:
|
|
assert im.info["dpi"] == 1424
|
|
|
|
# Round down
|
|
with Image.open("Tests/images/drawing_roundDown.emf") as im:
|
|
assert im.info["dpi"] == 1426
|
|
|
|
|
|
def test_load_set_dpi():
|
|
with Image.open("Tests/images/drawing.wmf") as im:
|
|
assert im.size == (82, 82)
|
|
|
|
if hasattr(Image.core, "drawwmf"):
|
|
im.load(144)
|
|
assert im.size == (164, 164)
|
|
|
|
with Image.open("Tests/images/drawing_wmf_ref_144.png") as expected:
|
|
assert_image_similar(im, expected, 2.1)
|
|
|
|
|
|
def test_save(tmp_path):
|
|
im = hopper()
|
|
|
|
for ext in [".wmf", ".emf"]:
|
|
tmpfile = str(tmp_path / ("temp" + ext))
|
|
with pytest.raises(OSError):
|
|
im.save(tmpfile)
|