May 28, 2025 · May 23, 2025 · May 27, 2025 · May 28, 2025
diff --git a/doc/install/dependencies.rst b/doc/install/dependencies.rst
 |                             | `lm <https://ctan.org/pkg/lm>`_,                 |
 |                             | `txfonts <https://ctan.org/pkg/txfonts>`_        |
 +-----------------------------+--------------------------------------------------+
 | collection-latex            | `geometry <https://ctan.org/pkg/geometry>`_,     |
 | collection-latex            | `fix-cm <https://ctan.org/pkg/fix-cm>`_,         |
 |                             | `geometry <https://ctan.org/pkg/geometry>`_,     |
 |                             | `hyperref <https://ctan.org/pkg/hyperref>`_,     |
 |                             | `latex <https://ctan.org/pkg/latex>`_,           |
 |                             | latex-bin,                                       |
diff --git a/lib/matplotlib/mpl-data/matplotlibrc b/lib/matplotlib/mpl-data/matplotlibrc
                        # become quite long.
                        # The following packages are always loaded with usetex,
                        # so beware of package collisions:
                        #   geometry,inputenc, type1cm.
                        #color, fix-cm,geometry,graphicx, textcomp.
                        # PostScript (PSNFSS) font packages may also be
                        # loaded, depending on your font settings.

diff --git a/lib/matplotlib/mpl-data/stylelib/classic.mplstyle b/lib/matplotlib/mpl-data/stylelib/classic.mplstyle
                       # Note that it has to be put on a single line, which may
                       # become quite long.
                       # The following packages are always loaded with usetex, so
                       # beware of package collisions: color, geometry, graphicx,
                       #type1cm, textcomp.
                       # beware of package collisions:
                       #  color, fix-cm, geometry, graphicx, textcomp.
                       # Adobe Postscript (PSSNFS) font packages may also be
                       # loaded, depending on your font settings.

diff --git a/lib/matplotlib/tests/test_backend_svg.py b/lib/matplotlib/tests/test_backend_svg.py

    tree = xml.etree.ElementTree.fromstring(buf)
    ns = 'http://www.w3.org/2000/svg'
    won_id = 'SFSS3583-8e'
    won_id = 'SFSS1728-8e'
    assert len(tree.findall(f'.//{{{ns}}}path[@d][@id="{won_id}"]')) == 1
    assert f'#{won_id}' in tree.find(f'.//{{{ns}}}use').attrib.values()

diff --git a/lib/matplotlib/tests/test_usetex.py b/lib/matplotlib/tests/test_usetex.py
                # 'My' checks full height letters plus descenders.
                ax.text(x, y, f"$\\mathrm{{My {text[ha]}{text[va]} {angle}}}$",
                        rotation=angle, horizontalalignment=ha, verticalalignment=va)


 def test_unicode_sizing():
    tp = mpl.textpath.TextToPath()
    scale1 = tp.get_glyphs_tex(mpl.font_manager.FontProperties(), "W")[0][0][3]
    scale2 = tp.get_glyphs_tex(mpl.font_manager.FontProperties(), r"\textwon")[0][0][3]
    assert scale1 == scale2
diff --git a/lib/matplotlib/texmanager.py b/lib/matplotlib/texmanager.py
    _grey_arrayd = {}

    _font_families = ('serif', 'sans-serif', 'cursive', 'monospace')
    # Check for the cm-super package (which registers unicode computer modern
    # support just by being installed) without actually loading any package
    # (because we already load the incompatible fix-cm).
    _check_cmsuper_installed = (
        r'\IfFileExists{type1ec.sty}{}{\PackageError{matplotlib-support}{'
        r'Missing cm-super package, required by Matplotlib}{}}'
    )
    _font_preambles = {
        'new century schoolbook': r'\renewcommand{\rmdefault}{pnc}',
        'bookman': r'\renewcommand{\rmdefault}{pbk}',
        'helvetica': r'\usepackage{helvet}',
        'avant garde': r'\usepackage{avant}',
        'courier': r'\usepackage{courier}',
        # Loading the type1ec package ensures that cm-super is installed, which
        # is necessary for Unicode computer modern.  (It also allows the use of
        # computer modern at arbitrary sizes, but that's just a side effect.)
        'monospace': r'\usepackage{type1ec}',
        'computer modern roman': r'\usepackage{type1ec}',
        'computer modern sans serif': r'\usepackage{type1ec}',
        'computer modern typewriter': r'\usepackage{type1ec}',
        'monospace': _check_cmsuper_installed,
        'computer modern roman': _check_cmsuper_installed,
        'computer modern sans serif': _check_cmsuper_installed,
        'computer modern typewriter': _check_cmsuper_installed,
    }
    _font_types = {
        'new century schoolbook': 'serif',
        font_preamble, fontcmd = cls._get_font_preamble_and_command()
        baselineskip = 1.25 * fontsize
        return "\n".join([
            r"\RequirePackage{fix-cm}",
            r"\documentclass{article}",
            r"% Pass-through \mathdefault, which is used in non-usetex mode",
            r"% to use the default text font but was historically suppressed",
Original file line number	Diff line number	Diff line change
Expand Up		@@ -443,7 +443,8 @@ will often automatically include these collections.
		\| \| `lm <https://ctan.org/pkg/lm>`_, \|
		\| \| `txfonts <https://ctan.org/pkg/txfonts>`_ \|
		+-----------------------------+--------------------------------------------------+
		\| collection-latex \| `geometry <https://ctan.org/pkg/geometry>`_, \|
		\| collection-latex \| `fix-cm <https://ctan.org/pkg/fix-cm>`_, \|
Copy link Member tacaswellMay 27, 2025 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. Can we drop L455 (the type1cm) below? Copy link ContributorAuthor anntzerMay 28, 2025 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. No, see (the links at the bottom of)#29791 (comment) for why we still need type1cm being installed (even if not usepackage'd). tacaswell reacted with thumbs up emoji
		\| \| `geometry <https://ctan.org/pkg/geometry>`_, \|
		\| \| `hyperref <https://ctan.org/pkg/hyperref>`_, \|
		\| \| `latex <https://ctan.org/pkg/latex>`_, \|
		\| \| latex-bin, \|
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -339,7 +339,7 @@
		# become quite long.
		# The following packages are always loaded with usetex,
		# so beware of package collisions:
		# geometry,inputenc, type1cm.
		#color, fix-cm,geometry,graphicx, textcomp.
		# PostScript (PSNFSS) font packages may also be
		# loaded, depending on your font settings.

Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -122,8 +122,8 @@ text.latex.preamble : # IMPROPER USE OF THIS FEATURE WILL LEAD TO LATEX FAILURE
		# Note that it has to be put on a single line, which may
		# become quite long.
		# The following packages are always loaded with usetex, so
		# beware of package collisions: color, geometry, graphicx,
		#type1cm, textcomp.
		# beware of package collisions:
		# color, fix-cm, geometry, graphicx, textcomp.
		# Adobe Postscript (PSSNFS) font packages may also be
		# loaded, depending on your font settings.

Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -216,7 +216,7 @@ def test_unicode_won():

		tree = xml.etree.ElementTree.fromstring(buf)
		ns = 'http://www.w3.org/2000/svg'
		won_id = 'SFSS3583-8e'
		won_id = 'SFSS1728-8e'
		assert len(tree.findall(f'.//{{{ns}}}path[@d][@id="{won_id}"]')) == 1
		assert f'#{won_id}' in tree.find(f'.//{{{ns}}}use').attrib.values()

Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -185,3 +185,10 @@ def test_rotation():
		# 'My' checks full height letters plus descenders.
		ax.text(x, y, f"$\\mathrm{{My {text[ha]}{text[va]} {angle}}}$",
		rotation=angle, horizontalalignment=ha, verticalalignment=va)


		def test_unicode_sizing():
		tp = mpl.textpath.TextToPath()
		scale1 = tp.get_glyphs_tex(mpl.font_manager.FontProperties(), "W")[0][0][3]
		scale2 = tp.get_glyphs_tex(mpl.font_manager.FontProperties(), r"\textwon")[0][0][3]
		assert scale1 == scale2
Original file line number	Diff line number	Diff line change
Expand Up		@@ -67,6 +67,13 @@ class TexManager:
		_grey_arrayd = {}

		_font_families = ('serif', 'sans-serif', 'cursive', 'monospace')
		# Check for the cm-super package (which registers unicode computer modern
		# support just by being installed) without actually loading any package
		# (because we already load the incompatible fix-cm).
		_check_cmsuper_installed = (
		r'\IfFileExists{type1ec.sty}{}{\PackageError{matplotlib-support}{'
		r'Missing cm-super package, required by Matplotlib}{}}'
		)
		_font_preambles = {
		'new century schoolbook': r'\renewcommand{\rmdefault}{pnc}',
		'bookman': r'\renewcommand{\rmdefault}{pbk}',
Expand All		@@ -80,13 +87,10 @@ class TexManager:
		'helvetica': r'\usepackage{helvet}',
		'avant garde': r'\usepackage{avant}',
		'courier': r'\usepackage{courier}',
		# Loading the type1ec package ensures that cm-super is installed, which
		# is necessary for Unicode computer modern. (It also allows the use of
		# computer modern at arbitrary sizes, but that's just a side effect.)
		'monospace': r'\usepackage{type1ec}',
		'computer modern roman': r'\usepackage{type1ec}',
		'computer modern sans serif': r'\usepackage{type1ec}',
		'computer modern typewriter': r'\usepackage{type1ec}',
		'monospace': _check_cmsuper_installed,
		'computer modern roman': _check_cmsuper_installed,
		'computer modern sans serif': _check_cmsuper_installed,
		'computer modern typewriter': _check_cmsuper_installed,
		}
		_font_types = {
		'new century schoolbook': 'serif',
Expand DownExpand Up		@@ -200,6 +204,7 @@ def _get_tex_source(cls, tex, fontsize):
		font_preamble, fontcmd = cls._get_font_preamble_and_command()
		baselineskip = 1.25 * fontsize
		return "\n".join([
		r"\RequirePackage{fix-cm}",
		r"\documentclass{article}",
		r"% Pass-through \mathdefault, which is used in non-usetex mode",
		r"% to use the default text font but was historically suppressed",
Expand Down