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Fix uneven text kerning for non-integral dpi scales

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Closes https://github.com/emilk/egui/issues/382
This commit is contained in:
Emil Ernerfeldt
2021-05-12 19:41:45 +02:00
parent 50a2ed0a14
commit 9c475204da
2 changed files with 13 additions and 0 deletions
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6
epaint/src/text/font.rs
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@@ -80,7 +80,13 @@ impl FontImpl {
let scale_in_pixels = pixels_per_point * scale_in_points;
// Round to an even number of physical pixels to get even kerning.
// See https://github.com/emilk/egui/issues/382
let scale_in_pixels = scale_in_pixels.round();
let scale_in_points = scale_in_pixels / pixels_per_point;
let height_in_points = scale_in_points;
// TODO: use v_metrics for line spacing ?
// let v = rusttype_font.v_metrics(Scale::uniform(scale_in_pixels));
// let height_in_pixels = v.ascent - v.descent + v.line_gap;