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Do not distill and embed fonts if no text #23775

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Do not distill and embed fonts if no text #23775

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7 changes: 7 additions & 0 deletions lib/matplotlib/backends/backend_ps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1063,6 +1063,13 @@ def _print_figure_tex(
""",
encoding="latin-1")

if len(ps_renderer.psfrag) == 0:
# No text, so no need to distill
if is_eps:
pstoeps(str(tmppath))
_move_path_to_path_or_stream(tmppath, outfile)
return

if orientation is _Orientation.landscape: # now, ready to rotate
width, height = height, width
bbox = (lly, llx, ury, urx)
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16 changes: 16 additions & 0 deletions lib/matplotlib/tests/test_backend_ps.py
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Expand Up @@ -254,6 +254,22 @@ def test_linedash():
assert buf.tell() > 0


def test_noembed_fonts():
"""Test that fonts are not embedded when no text is used"""
mpl.rcParams["text.usetex"] = True
fig, ax = plt.subplots()
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I guess you can skip axes creation (fig = plt.figure()).

ax.set_axis_off()

# About 160k with embedded fonts
buf = io.BytesIO()
fig.savefig(buf, format="ps")
assert buf.getbuffer().nbytes < 1000

buf = io.BytesIO()
fig.savefig(buf, format="eps")
assert buf.getbuffer().nbytes < 1000


def test_no_duplicate_definition():

fig = Figure()
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