update test_imagefont to use textbbox

Tests/test_imagefont.py

@@ -94,7 +94,7 @@ class TestImageFont:
     def _render(self, font):
         txt = "Hello World!"
         ttf = ImageFont.truetype(font, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE)
-        ttf.getsize(txt)
+        ttf.getbbox(txt)
 
         img = Image.new("RGB", (256, 64), "white")
         d = ImageDraw.Draw(img)
@@ -135,15 +135,15 @@ class TestImageFont:
         target = "Tests/images/transparent_background_text_L.png"
         assert_image_similar_tofile(im.convert("L"), target, 0.01)
 
-    def test_textsize_equal(self):
+    def test_textbbox_equal(self):
         im = Image.new(mode="RGB", size=(300, 100))
         draw = ImageDraw.Draw(im)
         ttf = self.get_font()
 
         txt = "Hello World!"
-        size = draw.textsize(txt, ttf)
+        bbox = draw.textbbox((10, 10), txt, ttf)
         draw.text((10, 10), txt, font=ttf)
-        draw.rectangle((10, 10, 10 + size[0], 10 + size[1]))
+        draw.rectangle(bbox)
 
         assert_image_similar_tofile(
             im, "Tests/images/rectangle_surrounding_text.png", 2.5
@@ -184,7 +184,7 @@ class TestImageFont:
         im = Image.new(mode="RGB", size=(300, 100))
         draw = ImageDraw.Draw(im)
         ttf = self.get_font()
-        line_spacing = draw.textsize("A", font=ttf)[1] + 4
+        line_spacing = ttf.getbbox("A")[3] + 4
         lines = TEST_TEXT.split("\n")
         y = 0
         for line in lines:
@@ -245,6 +245,7 @@ class TestImageFont:
         im = Image.new(mode="RGB", size=(300, 100))
         draw = ImageDraw.Draw(im)
 
+        with pytest.warns(DeprecationWarning) as log:
             # Test that textsize() correctly connects to multiline_textsize()
             assert draw.textsize(TEST_TEXT, font=ttf) == draw.multiline_textsize(
                 TEST_TEXT, font=ttf
@@ -258,16 +259,41 @@ class TestImageFont:
             # to multiline_textsize()
             draw.textsize(TEST_TEXT, font=ttf, spacing=4)
             draw.textsize(TEST_TEXT, ttf, 4)
+        assert len(log) == 6
+
+    def test_multiline_bbox(self):
+        ttf = self.get_font()
+        im = Image.new(mode="RGB", size=(300, 100))
+        draw = ImageDraw.Draw(im)
+
+        # Test that textbbox() correctly connects to multiline_textbbox()
+        assert draw.textbbox((0, 0), TEST_TEXT, font=ttf) == draw.multiline_textbbox(
+            (0, 0), TEST_TEXT, font=ttf
+        )
+
+        # Test that multiline_textbbox corresponds to ImageFont.textbbox()
+        # for single line text
+        assert ttf.getbbox("A") == draw.multiline_textbbox((0, 0), "A", font=ttf)
+
+        # Test that textbbox() can pass on additional arguments
+        # to multiline_textbbox()
+        draw.textbbox((0, 0), TEST_TEXT, font=ttf, spacing=4)
 
     def test_multiline_width(self):
         ttf = self.get_font()
         im = Image.new(mode="RGB", size=(300, 100))
         draw = ImageDraw.Draw(im)
 
+        assert (
+            draw.textbbox((0, 0), "longest line", font=ttf)[2]
+            == draw.multiline_textbbox((0, 0), "longest line\nline", font=ttf)[2]
+        )
+        with pytest.warns(DeprecationWarning) as log:
             assert (
                 draw.textsize("longest line", font=ttf)[0]
                 == draw.multiline_textsize("longest line\nline", font=ttf)[0]
             )
+        assert len(log) == 2
 
     def test_multiline_spacing(self):
         ttf = self.get_font()
@@ -373,9 +399,11 @@ class TestImageFont:
         text = "offset this"
 
         # Act
+        with pytest.warns(DeprecationWarning) as log:
             offset = font.getoffset(text)
 
         # Assert
+        assert len(log) == 1
         assert offset == (0, 3)
 
     def test_free_type_font_get_mask(self):
@@ -417,11 +445,11 @@ class TestImageFont:
         # Assert
         assert_image_equal_tofile(im, "Tests/images/default_font.png")
 
-    def test_getsize_empty(self):
+    def test_getbbox_empty(self):
         # issue #2614
         font = self.get_font()
         # should not crash.
-        assert (0, 0) == font.getsize("")
+        assert (0, 0, 0, 0) == font.getbbox("")
 
     def test_render_empty(self):
         # issue 2666
@@ -438,7 +466,7 @@ class TestImageFont:
         # issue #2826
         font = ImageFont.load_default()
         with pytest.raises(UnicodeEncodeError):
-            font.getsize("’")
+            font.getbbox("’")
 
     def test_unicode_extended(self):
         # issue #3777
@@ -563,6 +591,17 @@ class TestImageFont:
         assert t.font.x_ppem == 20
         assert t.font.y_ppem == 20
         assert t.font.glyphs == 4177
+        assert t.getbbox("A") == (0, 4, 12, 16)
+        assert t.getbbox("AB") == (0, 4, 24, 16)
+        assert t.getbbox("M") == (0, 4, 12, 16)
+        assert t.getbbox("y") == (0, 7, 12, 20)
+        assert t.getbbox("a") == (0, 7, 12, 16)
+        assert t.getlength("A") == 12
+        assert t.getlength("AB") == 24
+        assert t.getlength("M") == 12
+        assert t.getlength("y") == 12
+        assert t.getlength("a") == 12
+        with pytest.warns(DeprecationWarning) as log:
             assert t.getsize("A") == (12, 16)
             assert t.getsize("AB") == (24, 16)
             assert t.getsize("M") == (12, 16)
@@ -574,6 +613,7 @@ class TestImageFont:
             assert t.getsize_multiline("ABC\n") == (36, 36)
             assert t.getsize_multiline("ABC\nA") == (36, 36)
             assert t.getsize_multiline("ABC\nAaaa") == (48, 36)
+        assert len(log) == 11
 
     def test_getsize_stroke(self):
         # Arrange
@@ -581,6 +621,13 @@ class TestImageFont:
 
         # Act / Assert
         for stroke_width in [0, 2]:
+            assert t.getbbox("A", stroke_width=stroke_width) == (
+                0 - stroke_width,
+                4 - stroke_width,
+                12 + stroke_width,
+                16 + stroke_width,
+            )
+            with pytest.warns(DeprecationWarning) as log:
                 assert t.getsize("A", stroke_width=stroke_width) == (
                     12 + stroke_width * 2,
                     16 + stroke_width * 2,
@@ -589,6 +636,7 @@ class TestImageFont:
                     48 + stroke_width * 2,
                     36 + stroke_width * 4,
                 )
+            assert len(log) == 2
 
     def test_complex_font_settings(self):
         # Arrange
@@ -871,7 +919,7 @@ class TestImageFont:
     def test_standard_embedded_color(self):
         txt = "Hello World!"
         ttf = ImageFont.truetype(FONT_PATH, 40, layout_engine=self.LAYOUT_ENGINE)
-        ttf.getsize(txt)
+        ttf.getbbox(txt)
 
         im = Image.new("RGB", (300, 64), "white")
         d = ImageDraw.Draw(im)

Tests/test_imagefontctl.py

@@ -140,8 +140,8 @@ def test_ligature_features():
     target = "Tests/images/test_ligature_features.png"
     assert_image_similar_tofile(im, target, 0.5)
 
-    liga_size = ttf.getsize("fi", features=["-liga"])
+    liga_bbox = ttf.getbbox("fi", features=["-liga"])
-    assert liga_size == (13, 19)
+    assert liga_bbox == (0, 4, 13, 19)
 
 
 def test_kerning_features():