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Fix bug #3751

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We lack the necessary font (cmb10) for drawing bold uppercase greek
letters. It would be overkill adding it for this sole purpose, so
adopt the same poor man's bold strategy used with \boldsymbol.
This commit is contained in:
Enrico Forestieri 2021-02-27 21:40:28 +01:00
parent 0895b76f1e
commit 7b526d6461
1 changed files with 8 additions and 3 deletions
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11
src/mathed/MathSupport.cpp
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@ -772,9 +772,12 @@ void mathedSymbolDraw(PainterInfo & pi, int x, int y, latexkeys const * sym)
// << "' drawn as: '" << sym->draw
// << "'" << endl;
bool const italic_upcase_greek = sym->inset == "cmr" &&
sym->extra == "mathalpha" &&
pi.base.fontname == "mathit";
bool const upcase_greek =
sym->inset == "cmr" && sym->extra == "mathalpha";
bool const bold_upcase_greek =
upcase_greek && pi.base.fontname == "mathbf";
bool const italic_upcase_greek =
upcase_greek && pi.base.fontname == "mathit";
std::string const font = italic_upcase_greek ? "cmm" : sym->inset;
bool const change_font = font != "cmr" ||
(pi.base.fontname != "mathbb" &&
@ -784,6 +787,8 @@ void mathedSymbolDraw(PainterInfo & pi, int x, int y, latexkeys const * sym)
pi.base.fontname != "mathscr");
Changer dummy = change_font ? pi.base.changeFontSet(font) : noChange();
pi.draw(x, y, mathedSymbol(pi.base, sym));
if (bold_upcase_greek)
pi.draw(x + 1, y, mathedSymbol(pi.base, sym));
}