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			758 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			758 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import copy
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| import distutils.version
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| import os
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| import re
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| import shutil
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| import sys
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| import unittest
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| from io import BytesIO
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| 
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| from PIL import Image, ImageDraw, ImageFont, features
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| 
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| from .helper import (
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|     PillowTestCase,
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|     assert_image_equal,
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|     assert_image_similar,
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|     assert_image_similar_tofile,
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|     is_pypy,
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|     is_win32,
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| )
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| 
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| FONT_PATH = "Tests/fonts/FreeMono.ttf"
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| FONT_SIZE = 20
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| 
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| TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward"
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| 
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| HAS_FREETYPE = features.check("freetype2")
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| HAS_RAQM = features.check("raqm")
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| 
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| 
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| class SimplePatcher:
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|     def __init__(self, parent_obj, attr_name, value):
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|         self._parent_obj = parent_obj
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|         self._attr_name = attr_name
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|         self._saved = None
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|         self._is_saved = False
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|         self._value = value
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| 
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|     def __enter__(self):
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|         # Patch the attr on the object
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|         if hasattr(self._parent_obj, self._attr_name):
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|             self._saved = getattr(self._parent_obj, self._attr_name)
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|             setattr(self._parent_obj, self._attr_name, self._value)
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|             self._is_saved = True
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|         else:
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|             setattr(self._parent_obj, self._attr_name, self._value)
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|             self._is_saved = False
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| 
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|     def __exit__(self, type, value, traceback):
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|         # Restore the original value
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|         if self._is_saved:
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|             setattr(self._parent_obj, self._attr_name, self._saved)
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|         else:
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|             delattr(self._parent_obj, self._attr_name)
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| 
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| 
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| @unittest.skipUnless(HAS_FREETYPE, "ImageFont not available")
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| class TestImageFont(PillowTestCase):
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|     LAYOUT_ENGINE = ImageFont.LAYOUT_BASIC
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| 
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|     # Freetype has different metrics depending on the version.
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|     # (and, other things, but first things first)
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|     METRICS = {
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|         (">=2.3", "<2.4"): {"multiline": 30, "textsize": 12, "getters": (13, 16)},
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|         (">=2.7",): {"multiline": 6.2, "textsize": 2.5, "getters": (12, 16)},
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|         "Default": {"multiline": 0.5, "textsize": 0.5, "getters": (12, 16)},
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|     }
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| 
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|     def setUp(self):
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|         freetype = distutils.version.StrictVersion(ImageFont.core.freetype2_version)
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| 
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|         self.metrics = self.METRICS["Default"]
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|         for conditions, metrics in self.METRICS.items():
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|             if not isinstance(conditions, tuple):
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|                 continue
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| 
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|             for condition in conditions:
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|                 version = re.sub("[<=>]", "", condition)
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|                 if (condition.startswith(">=") and freetype >= version) or (
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|                     condition.startswith("<") and freetype < version
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|                 ):
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|                     # Condition was met
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|                     continue
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| 
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|                 # Condition failed
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|                 break
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|             else:
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|                 # All conditions were met
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|                 self.metrics = metrics
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| 
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|     def get_font(self):
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|         return ImageFont.truetype(
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|             FONT_PATH, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE
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|         )
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| 
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|     def test_sanity(self):
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|         self.assertRegex(ImageFont.core.freetype2_version, r"\d+\.\d+\.\d+$")
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| 
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|     def test_font_properties(self):
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|         ttf = self.get_font()
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|         self.assertEqual(ttf.path, FONT_PATH)
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|         self.assertEqual(ttf.size, FONT_SIZE)
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| 
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|         ttf_copy = ttf.font_variant()
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|         self.assertEqual(ttf_copy.path, FONT_PATH)
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|         self.assertEqual(ttf_copy.size, FONT_SIZE)
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| 
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|         ttf_copy = ttf.font_variant(size=FONT_SIZE + 1)
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|         self.assertEqual(ttf_copy.size, FONT_SIZE + 1)
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| 
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|         second_font_path = "Tests/fonts/DejaVuSans.ttf"
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|         ttf_copy = ttf.font_variant(font=second_font_path)
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|         self.assertEqual(ttf_copy.path, second_font_path)
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| 
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|     def test_font_with_name(self):
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|         self.get_font()
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|         self._render(FONT_PATH)
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| 
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|     def _font_as_bytes(self):
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|         with open(FONT_PATH, "rb") as f:
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|             font_bytes = BytesIO(f.read())
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|         return font_bytes
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| 
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|     def test_font_with_filelike(self):
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|         ImageFont.truetype(
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|             self._font_as_bytes(), FONT_SIZE, layout_engine=self.LAYOUT_ENGINE
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|         )
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|         self._render(self._font_as_bytes())
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|         # Usage note:  making two fonts from the same buffer fails.
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|         # shared_bytes = self._font_as_bytes()
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|         # self._render(shared_bytes)
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|         # self.assertRaises(Exception, _render, shared_bytes)
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| 
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|     def test_font_with_open_file(self):
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|         with open(FONT_PATH, "rb") as f:
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|             self._render(f)
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| 
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|     def test_non_unicode_path(self):
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|         try:
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|             tempfile = self.tempfile("temp_" + chr(128) + ".ttf")
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|         except UnicodeEncodeError:
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|             self.skipTest("Unicode path could not be created")
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|         shutil.copy(FONT_PATH, tempfile)
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| 
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|         ImageFont.truetype(tempfile, FONT_SIZE)
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| 
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|     def test_unavailable_layout_engine(self):
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|         have_raqm = ImageFont.core.HAVE_RAQM
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|         ImageFont.core.HAVE_RAQM = False
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| 
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|         try:
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|             ttf = ImageFont.truetype(
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|                 FONT_PATH, FONT_SIZE, layout_engine=ImageFont.LAYOUT_RAQM
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|             )
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|         finally:
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|             ImageFont.core.HAVE_RAQM = have_raqm
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| 
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|         self.assertEqual(ttf.layout_engine, ImageFont.LAYOUT_BASIC)
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| 
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|     def _render(self, font):
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|         txt = "Hello World!"
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|         ttf = ImageFont.truetype(font, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE)
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|         ttf.getsize(txt)
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| 
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|         img = Image.new("RGB", (256, 64), "white")
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|         d = ImageDraw.Draw(img)
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|         d.text((10, 10), txt, font=ttf, fill="black")
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| 
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|         return img
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| 
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|     def test_render_equal(self):
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|         img_path = self._render(FONT_PATH)
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|         with open(FONT_PATH, "rb") as f:
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|             font_filelike = BytesIO(f.read())
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|         img_filelike = self._render(font_filelike)
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| 
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|         assert_image_equal(img_path, img_filelike)
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| 
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|     def test_textsize_equal(self):
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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|         ttf = self.get_font()
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| 
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|         txt = "Hello World!"
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|         size = draw.textsize(txt, ttf)
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|         draw.text((10, 10), txt, font=ttf)
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|         draw.rectangle((10, 10, 10 + size[0], 10 + size[1]))
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| 
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|         target = "Tests/images/rectangle_surrounding_text.png"
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|         with Image.open(target) as target_img:
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| 
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|             # Epsilon ~.5 fails with FreeType 2.7
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|             assert_image_similar(im, target_img, self.metrics["textsize"])
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| 
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|     def test_render_multiline(self):
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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|         ttf = self.get_font()
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|         line_spacing = draw.textsize("A", font=ttf)[1] + 4
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|         lines = TEST_TEXT.split("\n")
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|         y = 0
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|         for line in lines:
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|             draw.text((0, y), line, font=ttf)
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|             y += line_spacing
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| 
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|         target = "Tests/images/multiline_text.png"
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|         with Image.open(target) as target_img:
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| 
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|             # some versions of freetype have different horizontal spacing.
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|             # setting a tight epsilon, I'm showing the original test failure
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|             # at epsilon = ~38.
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|             assert_image_similar(im, target_img, self.metrics["multiline"])
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| 
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|     def test_render_multiline_text(self):
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|         ttf = self.get_font()
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| 
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|         # Test that text() correctly connects to multiline_text()
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|         # and that align defaults to left
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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|         draw.text((0, 0), TEST_TEXT, font=ttf)
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| 
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|         target = "Tests/images/multiline_text.png"
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|         with Image.open(target) as target_img:
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| 
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|             # Epsilon ~.5 fails with FreeType 2.7
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|             assert_image_similar(im, target_img, self.metrics["multiline"])
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| 
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|         # Test that text() can pass on additional arguments
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|         # to multiline_text()
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|         draw.text(
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|             (0, 0), TEST_TEXT, fill=None, font=ttf, anchor=None, spacing=4, align="left"
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|         )
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|         draw.text((0, 0), TEST_TEXT, None, ttf, None, 4, "left")
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| 
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|         # Test align center and right
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|         for align, ext in {"center": "_center", "right": "_right"}.items():
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|             im = Image.new(mode="RGB", size=(300, 100))
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|             draw = ImageDraw.Draw(im)
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|             draw.multiline_text((0, 0), TEST_TEXT, font=ttf, align=align)
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| 
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|             target = "Tests/images/multiline_text" + ext + ".png"
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|             with Image.open(target) as target_img:
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| 
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|                 # Epsilon ~.5 fails with FreeType 2.7
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|                 assert_image_similar(im, target_img, self.metrics["multiline"])
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| 
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|     def test_unknown_align(self):
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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|         ttf = self.get_font()
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| 
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|         # Act/Assert
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|         self.assertRaises(
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|             ValueError,
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|             draw.multiline_text,
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|             (0, 0),
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|             TEST_TEXT,
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|             font=ttf,
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|             align="unknown",
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|         )
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| 
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|     def test_draw_align(self):
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|         im = Image.new("RGB", (300, 100), "white")
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|         draw = ImageDraw.Draw(im)
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|         ttf = self.get_font()
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|         line = "some text"
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|         draw.text((100, 40), line, (0, 0, 0), font=ttf, align="left")
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| 
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|     def test_multiline_size(self):
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|         ttf = self.get_font()
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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| 
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|         # Test that textsize() correctly connects to multiline_textsize()
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|         self.assertEqual(
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|             draw.textsize(TEST_TEXT, font=ttf),
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|             draw.multiline_textsize(TEST_TEXT, font=ttf),
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|         )
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| 
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|         # Test that multiline_textsize corresponds to ImageFont.textsize()
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|         # for single line text
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|         self.assertEqual(ttf.getsize("A"), draw.multiline_textsize("A", font=ttf))
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| 
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|         # Test that textsize() can pass on additional arguments
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|         # to multiline_textsize()
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|         draw.textsize(TEST_TEXT, font=ttf, spacing=4)
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|         draw.textsize(TEST_TEXT, ttf, 4)
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| 
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|     def test_multiline_width(self):
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|         ttf = self.get_font()
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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| 
 | ||
|         self.assertEqual(
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|             draw.textsize("longest line", font=ttf)[0],
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|             draw.multiline_textsize("longest line\nline", font=ttf)[0],
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|         )
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| 
 | ||
|     def test_multiline_spacing(self):
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|         ttf = self.get_font()
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| 
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
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|         draw.multiline_text((0, 0), TEST_TEXT, font=ttf, spacing=10)
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| 
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|         target = "Tests/images/multiline_text_spacing.png"
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|         with Image.open(target) as target_img:
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| 
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|             # Epsilon ~.5 fails with FreeType 2.7
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|             assert_image_similar(im, target_img, self.metrics["multiline"])
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| 
 | ||
|     def test_rotated_transposed_font(self):
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|         img_grey = Image.new("L", (100, 100))
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|         draw = ImageDraw.Draw(img_grey)
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|         word = "testing"
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|         font = self.get_font()
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| 
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|         orientation = Image.ROTATE_90
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|         transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
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| 
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|         # Original font
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|         draw.font = font
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|         box_size_a = draw.textsize(word)
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| 
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|         # Rotated font
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|         draw.font = transposed_font
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|         box_size_b = draw.textsize(word)
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| 
 | ||
|         # Check (w,h) of box a is (h,w) of box b
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|         self.assertEqual(box_size_a[0], box_size_b[1])
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|         self.assertEqual(box_size_a[1], box_size_b[0])
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| 
 | ||
|     def test_unrotated_transposed_font(self):
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|         img_grey = Image.new("L", (100, 100))
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|         draw = ImageDraw.Draw(img_grey)
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|         word = "testing"
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|         font = self.get_font()
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| 
 | ||
|         orientation = None
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|         transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
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| 
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|         # Original font
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|         draw.font = font
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|         box_size_a = draw.textsize(word)
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| 
 | ||
|         # Rotated font
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|         draw.font = transposed_font
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|         box_size_b = draw.textsize(word)
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| 
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|         # Check boxes a and b are same size
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|         self.assertEqual(box_size_a, box_size_b)
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| 
 | ||
|     def test_rotated_transposed_font_get_mask(self):
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|         # Arrange
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|         text = "mask this"
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|         font = self.get_font()
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|         orientation = Image.ROTATE_90
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|         transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
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| 
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|         # Act
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|         mask = transposed_font.getmask(text)
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| 
 | ||
|         # Assert
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|         self.assertEqual(mask.size, (13, 108))
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| 
 | ||
|     def test_unrotated_transposed_font_get_mask(self):
 | ||
|         # Arrange
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|         text = "mask this"
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|         font = self.get_font()
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|         orientation = None
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|         transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
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| 
 | ||
|         # Act
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|         mask = transposed_font.getmask(text)
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| 
 | ||
|         # Assert
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|         self.assertEqual(mask.size, (108, 13))
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| 
 | ||
|     def test_free_type_font_get_name(self):
 | ||
|         # Arrange
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|         font = self.get_font()
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| 
 | ||
|         # Act
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|         name = font.getname()
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| 
 | ||
|         # Assert
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|         self.assertEqual(("FreeMono", "Regular"), name)
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| 
 | ||
|     def test_free_type_font_get_metrics(self):
 | ||
|         # Arrange
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|         font = self.get_font()
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| 
 | ||
|         # Act
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|         ascent, descent = font.getmetrics()
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| 
 | ||
|         # Assert
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|         self.assertIsInstance(ascent, int)
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|         self.assertIsInstance(descent, int)
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|         self.assertEqual((ascent, descent), (16, 4))  # too exact check?
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| 
 | ||
|     def test_free_type_font_get_offset(self):
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|         # Arrange
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|         font = self.get_font()
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|         text = "offset this"
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| 
 | ||
|         # Act
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|         offset = font.getoffset(text)
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| 
 | ||
|         # Assert
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|         self.assertEqual(offset, (0, 3))
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| 
 | ||
|     def test_free_type_font_get_mask(self):
 | ||
|         # Arrange
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|         font = self.get_font()
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|         text = "mask this"
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| 
 | ||
|         # Act
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|         mask = font.getmask(text)
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| 
 | ||
|         # Assert
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|         self.assertEqual(mask.size, (108, 13))
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| 
 | ||
|     def test_load_path_not_found(self):
 | ||
|         # Arrange
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|         filename = "somefilenamethatdoesntexist.ttf"
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| 
 | ||
|         # Act/Assert
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|         self.assertRaises(IOError, ImageFont.load_path, filename)
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|         self.assertRaises(IOError, ImageFont.truetype, filename)
 | ||
| 
 | ||
|     def test_load_non_font_bytes(self):
 | ||
|         with open("Tests/images/hopper.jpg", "rb") as f:
 | ||
|             self.assertRaises(IOError, ImageFont.truetype, f)
 | ||
| 
 | ||
|     def test_default_font(self):
 | ||
|         # Arrange
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|         txt = 'This is a "better than nothing" default font.'
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|         im = Image.new(mode="RGB", size=(300, 100))
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|         draw = ImageDraw.Draw(im)
 | ||
| 
 | ||
|         target = "Tests/images/default_font.png"
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|         with Image.open(target) as target_img:
 | ||
| 
 | ||
|             # Act
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|             default_font = ImageFont.load_default()
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|             draw.text((10, 10), txt, font=default_font)
 | ||
| 
 | ||
|             # Assert
 | ||
|             assert_image_equal(im, target_img)
 | ||
| 
 | ||
|     def test_getsize_empty(self):
 | ||
|         # issue #2614
 | ||
|         font = self.get_font()
 | ||
|         # should not crash.
 | ||
|         self.assertEqual((0, 0), font.getsize(""))
 | ||
| 
 | ||
|     def test_render_empty(self):
 | ||
|         # issue 2666
 | ||
|         font = self.get_font()
 | ||
|         im = Image.new(mode="RGB", size=(300, 100))
 | ||
|         target = im.copy()
 | ||
|         draw = ImageDraw.Draw(im)
 | ||
|         # should not crash here.
 | ||
|         draw.text((10, 10), "", font=font)
 | ||
|         assert_image_equal(im, target)
 | ||
| 
 | ||
|     def test_unicode_pilfont(self):
 | ||
|         # should not segfault, should return UnicodeDecodeError
 | ||
|         # issue #2826
 | ||
|         font = ImageFont.load_default()
 | ||
|         with self.assertRaises(UnicodeEncodeError):
 | ||
|             font.getsize("’")
 | ||
| 
 | ||
|     @unittest.skipIf(is_pypy(), "failing on PyPy")
 | ||
|     def test_unicode_extended(self):
 | ||
|         # issue #3777
 | ||
|         text = "A\u278A\U0001F12B"
 | ||
|         target = "Tests/images/unicode_extended.png"
 | ||
| 
 | ||
|         ttf = ImageFont.truetype(
 | ||
|             "Tests/fonts/NotoSansSymbols-Regular.ttf",
 | ||
|             FONT_SIZE,
 | ||
|             layout_engine=self.LAYOUT_ENGINE,
 | ||
|         )
 | ||
|         img = Image.new("RGB", (100, 60))
 | ||
|         d = ImageDraw.Draw(img)
 | ||
|         d.text((10, 10), text, font=ttf)
 | ||
| 
 | ||
|         assert_image_similar_tofile(img, target, self.metrics["multiline"])
 | ||
| 
 | ||
|     def _test_fake_loading_font(self, path_to_fake, fontname):
 | ||
|         # Make a copy of FreeTypeFont so we can patch the original
 | ||
|         free_type_font = copy.deepcopy(ImageFont.FreeTypeFont)
 | ||
|         with SimplePatcher(ImageFont, "_FreeTypeFont", free_type_font):
 | ||
| 
 | ||
|             def loadable_font(filepath, size, index, encoding, *args, **kwargs):
 | ||
|                 if filepath == path_to_fake:
 | ||
|                     return ImageFont._FreeTypeFont(
 | ||
|                         FONT_PATH, size, index, encoding, *args, **kwargs
 | ||
|                     )
 | ||
|                 return ImageFont._FreeTypeFont(
 | ||
|                     filepath, size, index, encoding, *args, **kwargs
 | ||
|                 )
 | ||
| 
 | ||
|             with SimplePatcher(ImageFont, "FreeTypeFont", loadable_font):
 | ||
|                 font = ImageFont.truetype(fontname)
 | ||
|                 # Make sure it's loaded
 | ||
|                 name = font.getname()
 | ||
|                 self.assertEqual(("FreeMono", "Regular"), name)
 | ||
| 
 | ||
|     @unittest.skipIf(is_win32(), "requires Unix or macOS")
 | ||
|     def test_find_linux_font(self):
 | ||
|         # A lot of mocking here - this is more for hitting code and
 | ||
|         # catching syntax like errors
 | ||
|         font_directory = "/usr/local/share/fonts"
 | ||
|         with SimplePatcher(sys, "platform", "linux"):
 | ||
|             patched_env = copy.deepcopy(os.environ)
 | ||
|             patched_env["XDG_DATA_DIRS"] = "/usr/share/:/usr/local/share/"
 | ||
|             with SimplePatcher(os, "environ", patched_env):
 | ||
| 
 | ||
|                 def fake_walker(path):
 | ||
|                     if path == font_directory:
 | ||
|                         return [
 | ||
|                             (
 | ||
|                                 path,
 | ||
|                                 [],
 | ||
|                                 [
 | ||
|                                     "Arial.ttf",
 | ||
|                                     "Single.otf",
 | ||
|                                     "Duplicate.otf",
 | ||
|                                     "Duplicate.ttf",
 | ||
|                                 ],
 | ||
|                             )
 | ||
|                         ]
 | ||
|                     return [(path, [], ["some_random_font.ttf"])]
 | ||
| 
 | ||
|                 with SimplePatcher(os, "walk", fake_walker):
 | ||
|                     # Test that the font loads both with and without the
 | ||
|                     # extension
 | ||
|                     self._test_fake_loading_font(
 | ||
|                         font_directory + "/Arial.ttf", "Arial.ttf"
 | ||
|                     )
 | ||
|                     self._test_fake_loading_font(font_directory + "/Arial.ttf", "Arial")
 | ||
| 
 | ||
|                     # Test that non-ttf fonts can be found without the
 | ||
|                     # extension
 | ||
|                     self._test_fake_loading_font(
 | ||
|                         font_directory + "/Single.otf", "Single"
 | ||
|                     )
 | ||
| 
 | ||
|                     # Test that ttf fonts are preferred if the extension is
 | ||
|                     # not specified
 | ||
|                     self._test_fake_loading_font(
 | ||
|                         font_directory + "/Duplicate.ttf", "Duplicate"
 | ||
|                     )
 | ||
| 
 | ||
|     @unittest.skipIf(is_win32(), "requires Unix or macOS")
 | ||
|     def test_find_macos_font(self):
 | ||
|         # Like the linux test, more cover hitting code rather than testing
 | ||
|         # correctness.
 | ||
|         font_directory = "/System/Library/Fonts"
 | ||
|         with SimplePatcher(sys, "platform", "darwin"):
 | ||
| 
 | ||
|             def fake_walker(path):
 | ||
|                 if path == font_directory:
 | ||
|                     return [
 | ||
|                         (
 | ||
|                             path,
 | ||
|                             [],
 | ||
|                             [
 | ||
|                                 "Arial.ttf",
 | ||
|                                 "Single.otf",
 | ||
|                                 "Duplicate.otf",
 | ||
|                                 "Duplicate.ttf",
 | ||
|                             ],
 | ||
|                         )
 | ||
|                     ]
 | ||
|                 return [(path, [], ["some_random_font.ttf"])]
 | ||
| 
 | ||
|             with SimplePatcher(os, "walk", fake_walker):
 | ||
|                 self._test_fake_loading_font(font_directory + "/Arial.ttf", "Arial.ttf")
 | ||
|                 self._test_fake_loading_font(font_directory + "/Arial.ttf", "Arial")
 | ||
|                 self._test_fake_loading_font(font_directory + "/Single.otf", "Single")
 | ||
|                 self._test_fake_loading_font(
 | ||
|                     font_directory + "/Duplicate.ttf", "Duplicate"
 | ||
|                 )
 | ||
| 
 | ||
|     def test_imagefont_getters(self):
 | ||
|         # Arrange
 | ||
|         t = self.get_font()
 | ||
| 
 | ||
|         # Act / Assert
 | ||
|         self.assertEqual(t.getmetrics(), (16, 4))
 | ||
|         self.assertEqual(t.font.ascent, 16)
 | ||
|         self.assertEqual(t.font.descent, 4)
 | ||
|         self.assertEqual(t.font.height, 20)
 | ||
|         self.assertEqual(t.font.x_ppem, 20)
 | ||
|         self.assertEqual(t.font.y_ppem, 20)
 | ||
|         self.assertEqual(t.font.glyphs, 4177)
 | ||
|         self.assertEqual(t.getsize("A"), (12, 16))
 | ||
|         self.assertEqual(t.getsize("AB"), (24, 16))
 | ||
|         self.assertEqual(t.getsize("M"), self.metrics["getters"])
 | ||
|         self.assertEqual(t.getsize("y"), (12, 20))
 | ||
|         self.assertEqual(t.getsize("a"), (12, 16))
 | ||
|         self.assertEqual(t.getsize_multiline("A"), (12, 16))
 | ||
|         self.assertEqual(t.getsize_multiline("AB"), (24, 16))
 | ||
|         self.assertEqual(t.getsize_multiline("a"), (12, 16))
 | ||
|         self.assertEqual(t.getsize_multiline("ABC\n"), (36, 36))
 | ||
|         self.assertEqual(t.getsize_multiline("ABC\nA"), (36, 36))
 | ||
|         self.assertEqual(t.getsize_multiline("ABC\nAaaa"), (48, 36))
 | ||
| 
 | ||
|     def test_getsize_stroke(self):
 | ||
|         # Arrange
 | ||
|         t = self.get_font()
 | ||
| 
 | ||
|         # Act / Assert
 | ||
|         for stroke_width in [0, 2]:
 | ||
|             self.assertEqual(
 | ||
|                 t.getsize("A", stroke_width=stroke_width),
 | ||
|                 (12 + stroke_width * 2, 16 + stroke_width * 2),
 | ||
|             )
 | ||
|             self.assertEqual(
 | ||
|                 t.getsize_multiline("ABC\nAaaa", stroke_width=stroke_width),
 | ||
|                 (48 + stroke_width * 2, 36 + stroke_width * 4),
 | ||
|             )
 | ||
| 
 | ||
|     def test_complex_font_settings(self):
 | ||
|         # Arrange
 | ||
|         t = self.get_font()
 | ||
|         # Act / Assert
 | ||
|         if t.layout_engine == ImageFont.LAYOUT_BASIC:
 | ||
|             self.assertRaises(KeyError, t.getmask, "абвг", direction="rtl")
 | ||
|             self.assertRaises(KeyError, t.getmask, "абвг", features=["-kern"])
 | ||
|             self.assertRaises(KeyError, t.getmask, "абвг", language="sr")
 | ||
| 
 | ||
|     def test_variation_get(self):
 | ||
|         font = self.get_font()
 | ||
| 
 | ||
|         freetype = distutils.version.StrictVersion(ImageFont.core.freetype2_version)
 | ||
|         if freetype < "2.9.1":
 | ||
|             self.assertRaises(NotImplementedError, font.get_variation_names)
 | ||
|             self.assertRaises(NotImplementedError, font.get_variation_axes)
 | ||
|             return
 | ||
| 
 | ||
|         self.assertRaises(IOError, font.get_variation_names)
 | ||
|         self.assertRaises(IOError, font.get_variation_axes)
 | ||
| 
 | ||
|         font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf")
 | ||
|         self.assertEqual(
 | ||
|             font.get_variation_names(),
 | ||
|             [
 | ||
|                 b"ExtraLight",
 | ||
|                 b"Light",
 | ||
|                 b"Regular",
 | ||
|                 b"Semibold",
 | ||
|                 b"Bold",
 | ||
|                 b"Black",
 | ||
|                 b"Black Medium Contrast",
 | ||
|                 b"Black High Contrast",
 | ||
|                 b"Default",
 | ||
|             ],
 | ||
|         )
 | ||
|         self.assertEqual(
 | ||
|             font.get_variation_axes(),
 | ||
|             [
 | ||
|                 {"name": b"Weight", "minimum": 200, "maximum": 900, "default": 389},
 | ||
|                 {"name": b"Contrast", "minimum": 0, "maximum": 100, "default": 0},
 | ||
|             ],
 | ||
|         )
 | ||
| 
 | ||
|         font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf")
 | ||
|         self.assertEqual(
 | ||
|             font.get_variation_names(),
 | ||
|             [
 | ||
|                 b"20",
 | ||
|                 b"40",
 | ||
|                 b"60",
 | ||
|                 b"80",
 | ||
|                 b"100",
 | ||
|                 b"120",
 | ||
|                 b"140",
 | ||
|                 b"160",
 | ||
|                 b"180",
 | ||
|                 b"200",
 | ||
|                 b"220",
 | ||
|                 b"240",
 | ||
|                 b"260",
 | ||
|                 b"280",
 | ||
|                 b"300",
 | ||
|                 b"Regular",
 | ||
|             ],
 | ||
|         )
 | ||
|         self.assertEqual(
 | ||
|             font.get_variation_axes(),
 | ||
|             [{"name": b"Size", "minimum": 0, "maximum": 300, "default": 0}],
 | ||
|         )
 | ||
| 
 | ||
|     def test_variation_set_by_name(self):
 | ||
|         font = self.get_font()
 | ||
| 
 | ||
|         freetype = distutils.version.StrictVersion(ImageFont.core.freetype2_version)
 | ||
|         if freetype < "2.9.1":
 | ||
|             self.assertRaises(NotImplementedError, font.set_variation_by_name, "Bold")
 | ||
|             return
 | ||
| 
 | ||
|         self.assertRaises(IOError, font.set_variation_by_name, "Bold")
 | ||
| 
 | ||
|         def _check_text(font, path, epsilon):
 | ||
|             im = Image.new("RGB", (100, 75), "white")
 | ||
|             d = ImageDraw.Draw(im)
 | ||
|             d.text((10, 10), "Text", font=font, fill="black")
 | ||
| 
 | ||
|             with Image.open(path) as expected:
 | ||
|                 assert_image_similar(im, expected, epsilon)
 | ||
| 
 | ||
|         font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf", 36)
 | ||
|         _check_text(font, "Tests/images/variation_adobe.png", 11)
 | ||
|         for name in ["Bold", b"Bold"]:
 | ||
|             font.set_variation_by_name(name)
 | ||
|         _check_text(font, "Tests/images/variation_adobe_name.png", 11)
 | ||
| 
 | ||
|         font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf", 36)
 | ||
|         _check_text(font, "Tests/images/variation_tiny.png", 40)
 | ||
|         for name in ["200", b"200"]:
 | ||
|             font.set_variation_by_name(name)
 | ||
|         _check_text(font, "Tests/images/variation_tiny_name.png", 40)
 | ||
| 
 | ||
|     def test_variation_set_by_axes(self):
 | ||
|         font = self.get_font()
 | ||
| 
 | ||
|         freetype = distutils.version.StrictVersion(ImageFont.core.freetype2_version)
 | ||
|         if freetype < "2.9.1":
 | ||
|             self.assertRaises(NotImplementedError, font.set_variation_by_axes, [100])
 | ||
|             return
 | ||
| 
 | ||
|         self.assertRaises(IOError, font.set_variation_by_axes, [500, 50])
 | ||
| 
 | ||
|         def _check_text(font, path, epsilon):
 | ||
|             im = Image.new("RGB", (100, 75), "white")
 | ||
|             d = ImageDraw.Draw(im)
 | ||
|             d.text((10, 10), "Text", font=font, fill="black")
 | ||
| 
 | ||
|             with Image.open(path) as expected:
 | ||
|                 assert_image_similar(im, expected, epsilon)
 | ||
| 
 | ||
|         font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf", 36)
 | ||
|         font.set_variation_by_axes([500, 50])
 | ||
|         _check_text(font, "Tests/images/variation_adobe_axes.png", 5.1)
 | ||
| 
 | ||
|         font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf", 36)
 | ||
|         font.set_variation_by_axes([100])
 | ||
|         _check_text(font, "Tests/images/variation_tiny_axes.png", 32.5)
 | ||
| 
 | ||
| 
 | ||
| @unittest.skipUnless(HAS_RAQM, "Raqm not Available")
 | ||
| class TestImageFont_RaqmLayout(TestImageFont):
 | ||
|     LAYOUT_ENGINE = ImageFont.LAYOUT_RAQM
 |