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Improve appearance of dots at higher zoom levels

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Make \dot, \ddot and friends more round when increasing zoom

Part of #11491
This commit is contained in:
Enrico Forestieri 2021-02-01 20:02:37 +01:00
parent 9f3920447e
commit bc806084cd
1 changed files with 42 additions and 8 deletions
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50
src/mathed/MathSupport.cpp
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@ -644,14 +644,48 @@ void mathed_draw_deco(PainterInfo & pi, int x, int y, int w, int h,
int(x + x2 + 0.5), int(y + y2 + 0.5),
pi.base.font.color(), Painter::line_solid, lw);
if (code == 5) { // thicker, but rounded
pi.pain.line(
int(x + xx + 0.5+1), int(y + yy + 0.5-1),
int(x + x2 + 0.5-1), int(y + y2 + 0.5-1),
pi.base.font.color(), Painter::line_solid, lw);
pi.pain.line(
int(x + xx + 0.5+1), int(y + yy + 0.5+1),
int(x + x2 + 0.5-1), int(y + y2 + 0.5+1),
pi.base.font.color(), Painter::line_solid, lw);
double const xa = x + xx + 0.5;
double const xb = x + x2 + 0.5;
double const ya = y + yy + 0.5;
double const yb = y + y2 + 0.5;
pi.pain.line(int(xa + 1), int(ya - 1),
int(xb - 1), int(yb - 1),
pi.base.font.color(),
Painter::line_solid, lw);
pi.pain.line(int(xa + 1), int(ya + 1),
int(xb - 1), int(yb + 1),
pi.base.font.color(),
Painter::line_solid, lw);
if (xa + 2 <= xb - 2) {
pi.pain.line(int(xa + 2), int(ya - 2),
int(xb - 2), int(yb - 2),
pi.base.font.color(),
Painter::line_solid, lw);
pi.pain.line(int(xa + 2), int(ya + 2),
int(xb - 2), int(yb + 2),
pi.base.font.color(),
Painter::line_solid, lw);
}
if (xa + 3 <= xb - 3) {
pi.pain.line(int(xa + 3), int(ya - 3),
int(xb - 3), int(yb - 3),
pi.base.font.color(),
Painter::line_solid, lw);
pi.pain.line(int(xa + 3), int(ya + 3),
int(xb - 3), int(yb + 3),
pi.base.font.color(),
Painter::line_solid, lw);
}
if (xa + 4 <= xb - 4) {
pi.pain.line(int(xa + 4), int(ya - 4),
int(xb - 4), int(yb - 4),
pi.base.font.color(),
Painter::line_solid, lw);
pi.pain.line(int(xa + 4), int(ya + 4),
int(xb - 4), int(yb + 4),
pi.base.font.color(),
Painter::line_solid, lw);
}
}
} else {
int xp[32];