mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-25 17:36:18 +03:00
62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
import pytest
|
|
|
|
from PIL import Image, ImageDraw, ImageFont
|
|
|
|
from .helper import assert_image_equal_tofile, assert_image_similar, skip_unless_feature
|
|
|
|
image_font_installed = True
|
|
try:
|
|
ImageFont.core.getfont
|
|
except ImportError:
|
|
image_font_installed = False
|
|
|
|
|
|
@pytest.mark.skipif(not image_font_installed, reason="Image font not installed")
|
|
def test_similar():
|
|
text = "EmbeddedBitmap"
|
|
font_outline = ImageFont.truetype(font="Tests/fonts/DejaVuSans.ttf", size=24)
|
|
font_bitmap = ImageFont.truetype(font="Tests/fonts/DejaVuSans-bitmap.ttf", size=24)
|
|
size_outline = font_outline.getsize(text)
|
|
size_bitmap = font_bitmap.getsize(text)
|
|
size_final = (
|
|
max(size_outline[0], size_bitmap[0]),
|
|
max(size_outline[1], size_bitmap[1]),
|
|
)
|
|
im_bitmap = Image.new("RGB", size_final, (255, 255, 255))
|
|
im_outline = im_bitmap.copy()
|
|
draw_bitmap = ImageDraw.Draw(im_bitmap)
|
|
draw_outline = ImageDraw.Draw(im_outline)
|
|
draw_outline.fontmode = "1" # disable anti-aliasing to match bitmap font
|
|
|
|
# Metrics are different on the bitmap and TTF fonts,
|
|
# more so on some platforms and versions of FreeType than others.
|
|
# Mac has a 1px difference, Linux doesn't.
|
|
draw_bitmap.text(
|
|
(0, size_final[1] - size_bitmap[1]), text, fill=(0, 0, 0), font=font_bitmap
|
|
)
|
|
draw_outline.text(
|
|
(0, size_final[1] - size_outline[1]),
|
|
text,
|
|
fill=(0, 0, 0),
|
|
font=font_outline,
|
|
)
|
|
assert_image_similar(im_bitmap, im_outline, 4)
|
|
|
|
|
|
@skip_unless_feature("freetype2")
|
|
@pytest.mark.parametrize("bpp", (1, 2, 4, 8))
|
|
def test_bitmap_font(bpp):
|
|
text = "Bitmap Font"
|
|
target = f"Tests/images/bitmap_font_{bpp}.png"
|
|
font = ImageFont.truetype(
|
|
f"Tests/fonts/DejaVuSans-24-{bpp}-stripped.ttf",
|
|
24,
|
|
layout_engine=ImageFont.LAYOUT_BASIC,
|
|
)
|
|
|
|
im = Image.new("RGB", (160, 35), "white")
|
|
draw = ImageDraw.Draw(im)
|
|
draw.text((2, 2), text, "black", font)
|
|
|
|
assert_image_equal_tofile(im, target)
|