organicmaps/harfbuzz
13
Fork 0
mirror of https://github.com/harfbuzz/harfbuzz.git synced 2025-04-14 17:13:40 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions

[glyf] Micro-optimize a few hash operations

Browse source
This commit is contained in:
Behdad Esfahbod 2023-05-09 11:13:51 -06:00
parent abb92388cc
commit 33ef96b649
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/OT/glyf/Glyph.hh
View file

@ -112,10 +112,12 @@ struct Glyph
if (!plan->new_gid_for_old_gid (gid, &new_gid))
return;
uint32_t hash = hb_hash (new_gid);
if (type != EMPTY)
{
plan->bounds_width_map.set (new_gid, xMax - xMin);
plan->bounds_height_map.set (new_gid, yMax - yMin);
plan->bounds_width_map.set_with_hash (new_gid, hash, xMax - xMin);
plan->bounds_height_map.set_with_hash (new_gid, hash, yMax - yMin);
}
unsigned len = all_points.length;
@ -127,7 +129,7 @@ struct Glyph
signed hori_aw = roundf (rightSideX - leftSideX);
if (hori_aw < 0) hori_aw = 0;
int lsb = roundf (xMin - leftSideX);
plan->hmtx_map.set (new_gid, hb_pair ((unsigned) hori_aw, lsb));
plan->hmtx_map.set_with_hash (new_gid, hash, hb_pair ((unsigned) hori_aw, lsb));
//flag value should be computed using non-empty glyphs
if (type != EMPTY && lsb != xMin)
plan->head_maxp_info.allXMinIsLsb = false;
@ -135,7 +137,7 @@ struct Glyph
signed vert_aw = roundf (topSideY - bottomSideY);
if (vert_aw < 0) vert_aw = 0;
int tsb = roundf (topSideY - yMax);
plan->vmtx_map.set (new_gid, hb_pair ((unsigned) vert_aw, tsb));
plan->vmtx_map.set_with_hash (new_gid, hash, hb_pair ((unsigned) vert_aw, tsb));
}
bool compile_header_bytes (const hb_subset_plan_t *plan,