from helper import unittest, PillowTestCase from PIL import Image, ImageFont, ImageDraw image_font_installed = True try: ImageFont.core.getfont except ImportError: image_font_installed = False @unittest.skipIf(not image_font_installed, "image font not installed") 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 = 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) # 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()