python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2024-12-26 18:06:18 +03:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #52 from radarhere/fix-png-disposal-comparison-bug

Browse Source 
Added disposal test
This commit is contained in:
Hugo van Kemenade 2020-06-29 15:39:57 +03:00 committed by GitHub
commit d109d86cdd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
Tests/test_file_apng.py
View File

@ -494,6 +494,26 @@ def test_apng_save_disposal(tmp_path):
assert im.getpixel((64, 32)) == (0, 255, 0, 255) assert im.getpixel((64, 32)) == (0, 255, 0, 255)
def test_apng_save_disposal_previous(tmp_path):
test_file = str(tmp_path / "temp.png")
size = (128, 64)
transparent = Image.new("RGBA", size, (0, 0, 0, 0))
red = Image.new("RGBA", size, (255, 0, 0, 255))
green = Image.new("RGBA", size, (0, 255, 0, 255))
# test APNG_DISPOSE_OP_NONE
transparent.save(
test_file,
save_all=True,
append_images=[red, green],
disposal=PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS,
)
with Image.open(test_file) as im:
im.seek(2)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
def test_apng_save_blend(tmp_path): def test_apng_save_blend(tmp_path):
test_file = str(tmp_path / "temp.png") test_file = str(tmp_path / "temp.png")
size = (128, 64) size = (128, 64)