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software: pre-scale emoji so they render more reasonably

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Since we don't have a draw-image-and-rescale primitive, and since
we'd have to scale every time we drew the glyph, it makes sense to
cache the pre-scaled glyph in the atlas.
This commit is contained in:
Wez Furlong 2019-09-28 10:20:17 -07:00
parent 389c477b16
commit 40d7186a9c
1 changed files with 8 additions and 2 deletions
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10
src/frontend/software/termwindow.rs
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@ -747,11 +747,17 @@ impl TermWindow {
&glyph.data,
);
let tex = self.atlas.borrow_mut().allocate(&raw_im)?;
let bearing_x = glyph.bearing_x * scale;
let bearing_y = glyph.bearing_y * scale;
let (scale, raw_im) = if scale != 1.0 {
(1.0, raw_im.scale_by(scale))
} else {
(scale, raw_im)
};
let tex = self.atlas.borrow_mut().allocate(&raw_im)?;
CachedGlyph {
texture: Some(tex),
x_offset,