don't use bitmap glyphs when drawing text with stroker

python-pillow · Oct 14, 2021 · 19f4c6f · 19f4c6f
1 parent b34430b
commit 19f4c6f
Show file tree

Hide file tree

Showing 4 changed files with 17 additions and 1 deletion.
diff --git a/Tests/images/bitmap_font_stroke_basic.png b/Tests/images/bitmap_font_stroke_basic.png
diff --git a/Tests/images/bitmap_font_stroke_raqm.png b/Tests/images/bitmap_font_stroke_raqm.png
diff --git a/Tests/test_imagefont.py b/Tests/test_imagefont.py
@@ -867,6 +867,22 @@ def test_bitmap_font(self, bpp):
 
         assert_image_equal_tofile(im, target)
 
+    def test_bitmap_font_stroke(self):
+        text = "Bitmap Font"
+        layout_name = ["basic", "raqm"][self.LAYOUT_ENGINE]
+        target = f"Tests/images/bitmap_font_stroke_{layout_name}.png"
+        font = ImageFont.truetype(
+            "Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf",
+            24,
+            layout_engine=self.LAYOUT_ENGINE,
+        )
+
+        im = Image.new("RGB", (160, 35), "white")
+        draw = ImageDraw.Draw(im)
+        draw.text((2, 2), text, "black", font, stroke_width=2, stroke_fill="red")
+
+        assert_image_similar_tofile(im, target, 0.03)
+
     def test_standard_embedded_color(self):
         txt = "Hello World!"
         ttf = ImageFont.truetype(FONT_PATH, 40, layout_engine=self.LAYOUT_ENGINE)

diff --git a/src/_imagingft.c b/src/_imagingft.c
@@ -833,7 +833,7 @@ font_render(FontObject *self, PyObject *args) {
     }
 
     im = (Imaging)id;
-    load_flags = FT_LOAD_DEFAULT;
+    load_flags = stroke_width ? FT_LOAD_NO_BITMAP : FT_LOAD_DEFAULT;
     if (mask) {
         load_flags |= FT_LOAD_TARGET_MONO;
     }