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[fontations] Speed up glyph_extents if x_scale == y_scale

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This commit is contained in:
Behdad Esfahbod 2025-03-06 23:52:08 -07:00
parent abc468275b
commit fe8a3972dd
1 changed files with 3 additions and 1 deletions
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4
src/fontations/lib.rs
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@ -196,12 +196,14 @@ extern "C" fn _hb_fontations_get_glyph_extents(
_user_data: *mut ::std::os::raw::c_void,
) -> hb_bool_t {
let data = unsafe { &*(font_data as *const FontationsData) };
let x_size = &data.x_size;
let y_size = &data.y_size;
let x_glyph_metrics = &data.x_glyph_metrics.as_ref().unwrap();
let y_glyph_metrics = &data.y_glyph_metrics.as_ref().unwrap();
let glyph_id = GlyphId::new(glyph);
let x_extents = x_glyph_metrics.bounds(glyph_id);
let y_extents = y_glyph_metrics.bounds(glyph_id);
let y_extents = if x_size == y_size { x_extents } else { y_glyph_metrics.bounds(glyph_id) };
let (Some(x_extents), Some(y_extents)) = (x_extents, y_extents) else {
return false as hb_bool_t;
};