forked from python-pillow/Pillow
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test_imagefontctl.py
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/
test_imagefontctl.py
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# -*- coding: utf-8 -*-
from .helper import unittest, PillowTestCase
from PIL import Image, ImageDraw, ImageFont, features
FONT_SIZE = 20
FONT_PATH = "Tests/fonts/DejaVuSans.ttf"
@unittest.skipUnless(features.check('raqm'), "Raqm Library is not installed.")
class TestImagecomplextext(PillowTestCase):
def test_english(self):
# smoke test, this should not fail
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'TEST', font=ttf, fill=500, direction='ltr')
def test_complex_text(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'اهلا عمان', font=ttf, fill=500)
target = 'Tests/images/test_text.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
def test_y_offset(self):
ttf = ImageFont.truetype("Tests/fonts/NotoNastaliqUrdu-Regular.ttf",
FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'العالم العربي', font=ttf, fill=500)
target = 'Tests/images/test_y_offset.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, 1.7)
def test_complex_unicode_text(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'السلام عليكم', font=ttf, fill=500)
target = 'Tests/images/test_complex_unicode_text.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
ttf = ImageFont.truetype("Tests/fonts/KhmerOSBattambang-Regular.ttf",
FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'លោកុប្បត្តិ', font=ttf, fill=500)
target = 'Tests/images/test_complex_unicode_text2.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, 2.3)
def test_text_direction_rtl(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'English عربي', font=ttf, fill=500, direction='rtl')
target = 'Tests/images/test_direction_rtl.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
def test_text_direction_ltr(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'سلطنة عمان Oman',
font=ttf, fill=500, direction='ltr')
target = 'Tests/images/test_direction_ltr.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
def test_text_direction_rtl2(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'Oman سلطنة عمان',
font=ttf, fill=500, direction='rtl')
target = 'Tests/images/test_direction_ltr.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
def test_ligature_features(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'filling', font=ttf, fill=500, features=['-liga'])
target = 'Tests/images/test_ligature_features.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
liga_size = ttf.getsize('fi', features=['-liga'])
self.assertEqual(liga_size, (13, 19))
def test_kerning_features(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'TeToAV', font=ttf, fill=500, features=['-kern'])
target = 'Tests/images/test_kerning_features.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
def test_arabictext_features(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'اللغة العربية', font=ttf, fill=500,
features=['-fina', '-init', '-medi'])
target = 'Tests/images/test_arabictext_features.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)
def test_language(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE)
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
draw.text((0, 0), 'абвг', font=ttf, fill=500,
language='sr')
target = 'Tests/images/test_language.png'
target_img = Image.open(target)
self.assert_image_similar(im, target_img, .5)