from PIL import Image, ImageDraw, ImageFont, features from .helper import PillowTestCase, unittest 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, 0.5) 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, 0.5) 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, 0.5) 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, 0.5) 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, 0.5) def test_text_direction_ttb(self): ttf = ImageFont.truetype("Tests/fonts/NotoSansJP-Regular.otf", FONT_SIZE) im = Image.new(mode="RGB", size=(100, 300)) draw = ImageDraw.Draw(im) try: draw.text((0, 0), "English あい", font=ttf, fill=500, direction="ttb") except ValueError as ex: if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": self.skipTest("libraqm 0.7 or greater not available") target = "Tests/images/test_direction_ttb.png" target_img = Image.open(target) self.assert_image_similar(im, target_img, 1.15) def test_text_direction_ttb_stroke(self): ttf = ImageFont.truetype("Tests/fonts/NotoSansJP-Regular.otf", 50) im = Image.new(mode="RGB", size=(100, 300)) draw = ImageDraw.Draw(im) try: draw.text( (25, 25), "あい", font=ttf, fill=500, direction="ttb", stroke_width=2, stroke_fill="#0f0", ) except ValueError as ex: if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": self.skipTest("libraqm 0.7 or greater not available") target = "Tests/images/test_direction_ttb_stroke.png" target_img = Image.open(target) self.assert_image_similar(im, target_img, 12.4) 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, 0.5) 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, 0.5) 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, 0.5) def test_x_max_and_y_offset(self): ttf = ImageFont.truetype("Tests/fonts/ArefRuqaa-Regular.ttf", 40) im = Image.new(mode="RGB", size=(50, 100)) draw = ImageDraw.Draw(im) draw.text((0, 0), "لح", font=ttf, fill=500) target = "Tests/images/test_x_max_and_y_offset.png" target_img = Image.open(target) self.assert_image_similar(im, target_img, 0.5) 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, 0.5)