python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-01-26 01:04:29 +03:00
Code Issues Packages Projects Releases Wiki Activity

Copy palette to new images in expand

Browse Source
This commit is contained in:
Andrew Murray 2021-06-19 21:24:58 +10:00
parent 384a4bf01e
commit 6639b2af7f
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Tests/test_imageops.py
View File

@ -156,6 +156,12 @@ def test_scale():
assert newimg.size == (25, 25)
def test_expand_palette():
im = Image.open("Tests/images/hopper.gif")
im_expanded = ImageOps.expand(im)
assert_image_equal(im_expanded.convert("RGB"), im.convert("RGB"))
def test_colorize_2color():
# Test the colorizing function with 2-color functionality

2
src/PIL/ImageOps.py
View File

@ -393,6 +393,8 @@ def expand(image, border=0, fill=0):
width = left + image.size[0] + right
height = top + image.size[1] + bottom
out = Image.new(image.mode, (width, height), _color(fill, image.mode))
if image.mode == "P" and image.palette:
out.putpalette(image.palette)
out.paste(image, (left, top))
return out