Use a microfont for the watermark

Makefile

@@ -127,6 +127,7 @@ promote: install .env .envrc
 	echo WEB_CONCURRENCY=2 >> $@
 	echo MAX_REQUESTS=0 >> $@
 	echo MAX_REQUESTS_JITTER=0 >> $@
+	echo WATERMARK_DEFAULT=memegen.link >> $@
 
 .envrc:
 	echo dotenv >> $@

app/settings.py

@@ -29,8 +29,9 @@
 # Fonts
 
 FONTS_DIRECTORY = ROOT / "fonts"
-FONT_THIN = FONTS_DIRECTORY / "TitilliumWeb-SemiBold.ttf"
 FONT_THICK = FONTS_DIRECTORY / "TitilliumWeb-Black.ttf"
+FONT_THIN = FONTS_DIRECTORY / "TitilliumWeb-SemiBold.ttf"
+FONT_TINY = FONTS_DIRECTORY / "MicroFLF-Bold.ttf"
 
 # Image rendering
 

app/tests/test_apis.py

@@ -2,6 +2,8 @@
 
 import pytest
 
+from .. import settings
+
 
 def describe_template_list():
     def describe_GET():
@@ -187,7 +189,8 @@ def it_returns_a_unique_image(expect, client):
 
             expect(len(response.content)) != len(response2.content)
 
-        def it_allows_disabling(expect, client):
+        def it_allows_disabling(expect, client, monkeypatch):
+            monkeypatch.setattr(settings, "DEFAULT_WATERMARK", "")
             request, response = client.get("/images/fry/test.png")
             expect(response.status) == 200
 

app/utils/images.py

@@ -185,7 +185,7 @@ def add_blurred_background(
 
 def add_watermark(image: Image, text: str) -> Image:
     size = (image.size[0], 14)
-    font = get_font(text, 0.0, size, 99, thin=True)
+    font = get_font(text, 0.0, size, 99, tiny=True)
     offset = get_text_offset(text, font, size)
 
     draw = ImageDraw.Draw(image)
@@ -261,14 +261,16 @@ def get_font(
     max_text_size: Dimensions,
     max_font_size: int,
     *,
-    thin: bool = False,
+    tiny: bool = False,
 ) -> ImageFont:
     max_text_width = max_text_size[0] - max_text_size[0] / 35
     max_text_height = max_text_size[1] - max_text_size[1] / 10
 
     for size in range(max(7, max_font_size), 6, -1):
 
-        if angle or thin:
+        if tiny:
+            font = ImageFont.truetype(str(settings.FONT_TINY), size=size)
+        elif angle:
             font = ImageFont.truetype(str(settings.FONT_THIN), size=size)
         else:
             font = ImageFont.truetype(str(settings.FONT_THICK), size=size)