Add Æ, Œ, æ, œ

xkcd-script/generator/pt4_additional_sources.py

@@ -158,6 +158,7 @@ def extract_symbol(arr, y0, y1, x0, x1, name, exclude=None):
     ('lambda', '1145_sky_color_2x__lambda'),    # λ U+03BB source
     ('tau', '2520_symbols_2x__tau'),            # τ U+03C4 source
     ('varsigma', '2586_greek_letters_2x__sigma'), # ς U+03C2 source
+    ('AElig', '2763_linguistics_gossip_2x__AE'), # Æ U+00C6 source
 ]
 
 print('Extracting hand-drawn extras...')
@@ -166,3 +167,22 @@ def extract_symbol(arr, y0, y1, x0, x1, name, exclude=None):
     arr_extra = np.array(Image.open(src_path).convert('L'))
     h, w = arr_extra.shape
     extract_symbol(arr_extra, 0, h, 0, w, name)
+
+
+# ---------------------------------------------------------------------------
+# ai_extensions_1.png — hand-drawn ligatures and IPA letters
+# Coordinates measured from the 1774×887 px image.
+# ---------------------------------------------------------------------------
+
+AI_EXT_1 = {
+    # name       y0    y1    x0    x1
+    'OElig': (155, 358,  835, 1107),  # Π U+0152
+    'aelig': (225, 357, 1363, 1515),  # æ  U+00E6
+    'oelig': (223, 354, 1582, 1750),  # œ  U+0153
+}
+
+_ai_ext_1_image = os.path.join(os.path.dirname(__file__), 'ai_extensions_1.png')
+print(f'Extracting ligatures from {_ai_ext_1_image}...')
+arr_ai1 = np.array(Image.open(_ai_ext_1_image).convert('L'))
+for name, (y0, y1, x0, x1) in AI_EXT_1.items():
+    extract_symbol(arr_ai1, y0, y1, x0, x1, name)

xkcd-script/generator/pt5_svg_to_font.py

@@ -552,6 +552,31 @@ def _import_comic_glyph(font, name, svg_path, target_top, weight_delta=0):
 _ch.width = _cap_eszett_glyph.width
 
 
+# Æ/æ/Œ/œ — hand-drawn sources from ai_extensions_1.png.
+# Œ is capital height; æ and œ are x-height.
+for _name, _cp, _ref in [
+    ('AElig', 0x00C6, 'A'),  # Æ — capital
+    ('OElig', 0x0152, 'O'),  # Œ — capital
+    ('aelig', 0x00E6, 'a'),  # æ — lowercase
+    ('oelig', 0x0153, 'o'),  # œ — lowercase
+]:
+    _svg = os.path.join(_COMIC_CHARS_DIR, f'{_name}.svg')
+    _target_top = font[_ref].boundingBox()[3]
+    _g = _import_comic_glyph(font, _name, _svg, target_top=_target_top, weight_delta=20)
+    _bb = _g.boundingBox()
+    if _bb[1] != 0:
+        _g.transform(psMat.translate(0, -_bb[1]))
+        _bb = _g.boundingBox()
+        if _bb[3] > 0:
+            _g.transform(psMat.scale(_target_top / _bb[3]))
+            _g.width = int(round(_g.boundingBox()[2] + 20))
+    _ch = font.createMappedChar(_cp)
+    _ch.clear()
+    for c in _g.foreground:
+        _ch.foreground += c
+    _ch.width = _g.width
+
+
 # ---------------------------------------------------------------------------
 # Save
 # ---------------------------------------------------------------------------