Pillow/Tests/test_imagefont_bitmap.py
2015-04-24 09:26:52 +10:00

26 lines
1.3 KiB
Python

from helper import unittest, PillowTestCase
from PIL import Image, ImageFont, ImageDraw
class TestImageFontBitmap(PillowTestCase):
def test_similar(self):
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, size_bitmap = font_outline.getsize(text), 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, draw_outline = ImageDraw.Draw(im_bitmap), ImageDraw.Draw(im_outline)
# 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)
self.assert_image_similar(im_bitmap, im_outline, 20)
if __name__ == '__main__':
unittest.main()