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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
import unittest
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from PIL import Image, ImageDraw, ImageFont
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from .helper import PillowTestCase, assert_image_similar
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image_font_installed = True
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try:
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ImageFont.core.getfont
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except ImportError:
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image_font_installed = False
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@unittest.skipUnless(image_font_installed, "image font not installed")
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class TestImageFontBitmap(PillowTestCase):
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def test_similar(self):
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text = "EmbeddedBitmap"
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font_outline = ImageFont.truetype(font="Tests/fonts/DejaVuSans.ttf", size=24)
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font_bitmap = ImageFont.truetype(
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font="Tests/fonts/DejaVuSans-bitmap.ttf", size=24
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)
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size_outline = font_outline.getsize(text)
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size_bitmap = font_bitmap.getsize(text)
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size_final = (
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max(size_outline[0], size_bitmap[0]),
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max(size_outline[1], size_bitmap[1]),
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)
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im_bitmap = Image.new("RGB", size_final, (255, 255, 255))
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im_outline = im_bitmap.copy()
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draw_bitmap = ImageDraw.Draw(im_bitmap)
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draw_outline = ImageDraw.Draw(im_outline)
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# Metrics are different on the bitmap and ttf fonts,
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# more so on some platforms and versions of freetype than others.
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# Mac has a 1px difference, linux doesn't.
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draw_bitmap.text(
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(0, size_final[1] - size_bitmap[1]), text, fill=(0, 0, 0), font=font_bitmap
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)
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draw_outline.text(
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(0, size_final[1] - size_outline[1]),
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text,
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fill=(0, 0, 0),
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font=font_outline,
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)
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assert_image_similar(im_bitmap, im_outline, 20)
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