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Multiply by a glyph-to-default rounded factor when resizing fonts

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When matching to a default monospace width, big fonts like those
 containing symbols and emojis got too small from font resizing.

 Adding a glyph-to-default rounded factor to the calculation should fix
 that issue without losing monospatiality.

 Fixes pop-os/cosmic-term#69.

Signed-off-by: Mohammad AlSaleh <CE.Mohammad.AlSaleh@gmail.com>
This commit is contained in:
Mohammad AlSaleh 2024-01-19 18:58:48 +03:00 • committed by Jeremy Soller
parent 6aadfaddac
commit 845a66ceff
1 changed files with 4 additions and 2 deletions
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6
src/shape.rs
View file

@ -1254,8 +1254,10 @@ impl ShapeLine {
(Some(match_em_width), Some(glyph_em_width))
if glyph_em_width != match_em_width =>
{
let glyph_font_size =
font_size * (match_em_width / glyph_em_width);
let glyph_to_match_factor = glyph_em_width / match_em_width;
let glyph_font_size = glyph_to_match_factor.round().max(1.0)
/ glyph_to_match_factor
* font_size;
log::trace!("Adjusted glyph font size ({font_size} => {glyph_font_size})");
glyph_font_size
}