Deprecate various vector-backend-specific mathtext helpers. #18002
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QuLogic
reviewed
Jul 24, 2020
| @@ -2072,6 +2078,7 @@ def draw_mathtext(self, gc, x, y, s, prop, angle): | |||
| 0.001 * fontsize, 0, | |||
| 0, 0.001 * fontsize, | |||
| ox, oy, Op.concat_matrix) | |||
| symbol_name = font.get_glyph_name(font.get_char_index(num)) | |||
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There are some fallbacks; do we need to worry about those here:
matplotlib/lib/matplotlib/mathtext.py
Lines 690 to 697 in 03aebfb
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No, because _stix_fallback._get_glyph(...) will return a different font object (for which the glyph exists). This can be checked e.g. with
rcParams["mathtext.fontset"] = "cm"; figtext(.5, .5, "$\\perp$"); savefig("/tmp/out.pdf")adding a print to check that fallback occurs. (Actually it looks like this should not fallback as there's a \perp sign in cmsy10.ttf? but that's a separate issue.)
A single mathtext "backend" yielding a list of glyphs and rectangles is enough; renderer-specific logic can be implemented in the renderer themselves. (MathtextBackendAgg needs to stay separate because it uses a different font hinting flag.)
QuLogic
approved these changes
Jul 30, 2020
jkseppan
approved these changes
Aug 2, 2020
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A single mathtext "backend" yielding a list of glyphs and rectangles is
enough; renderer-specific logic can be implemented in the renderer
themselves.
(MathtextBackendAgg needs to stay separate because it uses a different
font hinting flag.)
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