Add bfit bolditalic tex cmd

devRD · devRD · commit 705f0cf74c95 · 2023-03-18T00:19:30.000+05:30
diff --git a/lib/matplotlib/_mathtext.py b/lib/matplotlib/_mathtext.py
@@ -484,7 +484,7 @@ def __init__(self, *args, **kwargs):
 
         super().__init__(*args, **kwargs)
         self.fontmap = {}
-        for texfont in "cal rm tt it bf sf".split():
+        for texfont in "cal rm tt it bf sf bfit".split():
             prop = mpl.rcParams['mathtext.' + texfont]
             font = findfont(prop)
             self.fontmap[texfont] = font
@@ -671,6 +671,7 @@ class StixFonts(UnicodeFonts):
         'rm': 'STIXGeneral',
         'it': 'STIXGeneral:italic',
         'bf': 'STIXGeneral:weight=bold',
+        'bfit': 'STIXGeneral',
         'nonunirm': 'STIXNonUnicode',
         'nonuniit': 'STIXNonUnicode:italic',
         'nonunibf': 'STIXNonUnicode:weight=bold',
@@ -736,7 +737,7 @@ def _map_virtual_font(self, fontname, font_class, uniindex):
             uniindex = stix_glyph_fixes.get(uniindex, uniindex)
 
         # Handle private use area glyphs
-        if fontname in ('it', 'rm', 'bf') and 0xe000 <= uniindex <= 0xf8ff:
+        if fontname in ('it', 'rm', 'bf', 'bfit') and 0xe000 <= uniindex <= 0xf8ff:
             fontname = 'nonuni' + fontname
 
         return fontname, uniindex
@@ -1665,7 +1666,7 @@ def font(self):
 
     @font.setter
     def font(self, name):
-        if name in ('rm', 'it', 'bf'):
+        if name in ('rm', 'it', 'bf', 'bfit'):
             self.font_class = name
         self._font = name
 
@@ -1771,7 +1772,7 @@ class _MathStyle(enum.Enum):
 
     _dropsub_symbols = set(r'''\int \oint'''.split())
 
-    _fontnames = set("rm cal it tt sf bf default bb frak scr regular".split())
+    _fontnames = set("rm cal it tt sf bf bfit default bb frak scr regular".split())
 
     _function_names = set("""
       arccos csc ker min arcsin deg lg Pr arctan det lim sec arg dim
diff --git a/lib/matplotlib/_mathtext_data.py b/lib/matplotlib/_mathtext_data.py
@@ -1210,6 +1210,13 @@
             (0x2202, 0x2202, 'bf', 0x1d789), # partial differential
             (0x2207, 0x2207, 'bf', 0x1d76f), # \Nabla
             ],
+        'bfit':
+            [
+            (0x0041, 0x005a, 'bfit', 0x1d468), # A-Z
+            (0x0061, 0x007a, 'bfit', 0x1d482), # a-z
+            (0x0393, 0x03a9, 'bfit', 0x1d71E), # \Gamma-\Omega
+            (0x03b1, 0x03c9, 'bfit', 0x1d736), # \alpha-\omega
+            ],
         },
     'tt':
         [
