May 20, 2025
diff --git a/doc/api/next_api_changes/deprecations/30088-AL.rst b/doc/api/next_api_changes/deprecations/30088-AL.rst
 *fontfile* parameter of ``PdfFile.createType1Descriptor``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 This parameter is deprecated; all relevant pieces of information are now
 directly extracted from the *t1font* argument.
diff --git a/lib/matplotlib/_type1font.py b/lib/matplotlib/_type1font.py
            extras = ('(?i)([ -](regular|plain|italic|oblique|(semi)?bold|'
                      '(ultra)?light|extra|condensed))+$')
            prop['FamilyName'] = re.sub(extras, '', prop['FullName'])

        # Parse FontBBox
        toks = [*_tokenize(prop['FontBBox'].encode('ascii'), True)]
        if ([tok.kind for tok in toks]
                != ['delimiter', 'number', 'number', 'number', 'number', 'delimiter']
                or toks[-1].raw != toks[0].opposite()):
            raise RuntimeError(
                f"FontBBox should be a size-4 array, was {prop['FontBBox']}")
        prop['FontBBox'] = [tok.value() for tok in toks[1:-1]]

        # Decrypt the encrypted parts
        ndiscard = prop.get('lenIV', 4)
        cs = prop['CharStrings']
diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
                   fontinfo.effects.get('extend', 1.0))
        fontdesc = self._type1Descriptors.get((fontinfo.fontfile, effects))
        if fontdesc is None:
            fontdesc = self.createType1Descriptor(t1font, fontinfo.fontfile)
            fontdesc = self.createType1Descriptor(t1font)
            self._type1Descriptors[(fontinfo.fontfile, effects)] = fontdesc
        fontdict['FontDescriptor'] = fontdesc

        self.writeObject(fontdictObject, fontdict)
        return fontdictObject

    def createType1Descriptor(self, t1font, fontfile):
    @_api.delete_parameter("3.11", "fontfile")
    def createType1Descriptor(self, t1font, fontfile=None):
        # Create and write the font descriptor and the font file
        # of a Type-1 font
        fontdescObject = self.reserveObject('font descriptor')
        if 0:
            flags |= 1 << 18

        ft2font = get_font(fontfile)

        descriptor = {
            'Type':        Name('FontDescriptor'),
            'FontName':    Name(t1font.prop['FontName']),
            'Flags':       flags,
            'FontBBox':ft2font.bbox,
            'FontBBox':t1font.prop['FontBBox'],
            'ItalicAngle': italic_angle,
            'Ascent':ft2font.ascender,
            'Descent':ft2font.descender,
            'Ascent':t1font.prop['FontBBox'][3],
            'Descent':t1font.prop['FontBBox'][1],
            'CapHeight':   1000,  # TODO: find this out
            'XHeight':     500,  # TODO: this one too
            'FontFile':    fontfileObject,
            'FontFamily':  t1font.prop['FamilyName'],
            'StemV':       50,  # TODO
            # (see also revision 3874; but not all TeX distros have AFM files!)
            # 'FontWeight': a number where 400 = Regular, 700 = Bold
 }
        }

        self.writeObject(fontdescObject, descriptor)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,4 @@
		fontfile parameter of ``PdfFile.createType1Descriptor``
		~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
		This parameter is deprecated; all relevant pieces of information are now
		directly extracted from the t1font argument.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -579,6 +579,16 @@
		extras = ('(?i)([ -](regular\|plain\|italic\|oblique\|(semi)?bold\|'
		'(ultra)?light\|extra\|condensed))+$')
		prop['FamilyName'] = re.sub(extras, '', prop['FullName'])

		# Parse FontBBox
		toks = [*_tokenize(prop['FontBBox'].encode('ascii'), True)]
		if ([tok.kind for tok in toks]
		!= ['delimiter', 'number', 'number', 'number', 'number', 'delimiter']
		or toks[-1].raw != toks[0].opposite()):
		raise RuntimeError(
Check warning on line 588 in lib/matplotlib/_type1font.py View check run for this annotation Codecov/ codecov/patch lib/matplotlib/_type1font.py#L588 `Added line #L588 was not covered by tests`
		f"FontBBox should be a size-4 array, was {prop['FontBBox']}")
		prop['FontBBox'] = [tok.value() for tok in toks[1:-1]]

		# Decrypt the encrypted parts
		ndiscard = prop.get('lenIV', 4)
		cs = prop['CharStrings']
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1034,14 +1034,15 @@ def _embedTeXFont(self, fontinfo):
		fontinfo.effects.get('extend', 1.0))
		fontdesc = self._type1Descriptors.get((fontinfo.fontfile, effects))
		if fontdesc is None:
		fontdesc = self.createType1Descriptor(t1font, fontinfo.fontfile)
		fontdesc = self.createType1Descriptor(t1font)
		self._type1Descriptors[(fontinfo.fontfile, effects)] = fontdesc
		fontdict['FontDescriptor'] = fontdesc

		self.writeObject(fontdictObject, fontdict)
		return fontdictObject

		def createType1Descriptor(self, t1font, fontfile):
		@_api.delete_parameter("3.11", "fontfile")
		def createType1Descriptor(self, t1font, fontfile=None):
		# Create and write the font descriptor and the font file
		# of a Type-1 font
		fontdescObject = self.reserveObject('font descriptor')
Expand DownExpand Up		@@ -1076,24 +1077,22 @@ def createType1Descriptor(self, t1font, fontfile):
		if 0:
		flags \|= 1 << 18

		ft2font = get_font(fontfile)

		descriptor = {
		'Type': Name('FontDescriptor'),
		'FontName': Name(t1font.prop['FontName']),
		'Flags': flags,
		'FontBBox':ft2font.bbox,
		'FontBBox':t1font.prop['FontBBox'],
		'ItalicAngle': italic_angle,
		'Ascent':ft2font.ascender,
		'Descent':ft2font.descender,
		'Ascent':t1font.prop['FontBBox'][3],
		'Descent':t1font.prop['FontBBox'][1],
		'CapHeight': 1000, # TODO: find this out
		'XHeight': 500, # TODO: this one too
		'FontFile': fontfileObject,
		'FontFamily': t1font.prop['FamilyName'],
		'StemV': 50, # TODO
		# (see also revision 3874; but not all TeX distros have AFM files!)
		# 'FontWeight': a number where 400 = Regular, 700 = Bold
		}
		}

		self.writeObject(fontdescObject, descriptor)

Expand Down