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fix vertical positioning for custom block glyphs

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refs: https://github.com/wez/wezterm/issues/1621
This commit is contained in:
Wez Furlong 2022-02-06 06:19:49 -07:00
parent d0a7fc9fd3
commit 2ccf2378fd
1 changed files with 8 additions and 5 deletions
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13
wezterm-gui/src/termwindow/render.rs
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@ -2035,11 +2035,6 @@ impl super::TermWindow {
break;
}
let top = cell_height
+ (params.render_metrics.descender.get() as f32
- (glyph.y_offset + glyph.bearing_y).get() as f32)
* height_scale;
for glyph_idx in 0..info.pos.num_cells as usize {
for img in &images {
if img.z_index() < 0 {
@ -2059,6 +2054,10 @@ impl super::TermWindow {
{
// First, resolve this glyph to a texture
let mut texture = glyph.texture.as_ref().cloned();
let mut top = cell_height
+ (params.render_metrics.descender.get() as f32
- (glyph.y_offset + glyph.bearing_y).get() as f32)
* height_scale;
if self.config.custom_block_glyphs {
if let Some(cell) = params.line.cells().get(visual_cell_idx) {
@ -2069,6 +2068,10 @@ impl super::TermWindow {
.borrow_mut()
.cached_block(block, &params.render_metrics)?,
);
// Custom glyphs don't have the same offsets as computed
// by the shaper, and are rendered relative to the cell
// top left, rather than the baseline.
top = 0.;
}
}
}