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font/coretext: tweak synthetic bold amount to be slightly lighter

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This commit is contained in:
Mitchell Hashimoto
2024-08-26 09:36:21 -07:00
parent a2bb4a7cd1
commit c1e978e33d
1 changed files with 5 additions and 3 deletions
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8
src/font/face/coretext.zig
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@ -189,10 +189,12 @@ pub const Face = struct {
// To determine our synthetic bold line width we get a multiplier // To determine our synthetic bold line width we get a multiplier
// from the font size in points. This is a heuristic that is based // from the font size in points. This is a heuristic that is based
// on the fact that a line width of 1 looks good to me at 12 points // on the fact that a line width of 1 looks good to me at a certain
// and we want to scale that up roughly linearly with the font size. // point size. We want to scale that up roughly linearly with the
// font size.
const points_f64: f64 = @floatCast(opts.size.points); const points_f64: f64 = @floatCast(opts.size.points);
const line_width = @max(points_f64 / 12.0, 1); const line_width = @max(points_f64 / 14.0, 1);
// log.debug("synthetic bold line width={}", .{line_width});
face.synthetic_bold = line_width; face.synthetic_bold = line_width;
return face; return face;