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33dabf986f
The unittest in helper.py has not offered an interesting abstraction
since dbe9f85c7d so import from the more
typical stdlib location.
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
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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.skipIf(not 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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self.assert_image_similar(im_bitmap, im_outline, 20)
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