walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[ft-paint] Optimize away some transforms

This commit is contained in:
Matthias Clasen 2022-12-23 09:16:26 -05:00 committed by Behdad Esfahbod
parent 586d1758c1
commit 7fc3fdac76
1 changed files with 16 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/hb-ft-colr.hh
View File

@ -288,23 +288,29 @@ _hb_ft_paint (FT_OpaquePaint opaque_paint,
break;
case FT_COLR_PAINTFORMAT_SCALE:
{
paint_funcs->push_transform (paint_data,
1.f, 0.f, 0.f, 1.f,
+paint.u.scale.center_x / 65536.f,
+paint.u.scale.center_y / 65536.f);
bool has_translate = paint.u.scale.center_x != 0 || paint.u.scale.center_y != 0;
if (has_translate)
paint_funcs->push_transform (paint_data,
1.f, 0.f, 0.f, 1.f,
+paint.u.scale.center_x / 65536.f,
+paint.u.scale.center_y / 65536.f);
paint_funcs->push_transform (paint_data,
paint.u.scale.scale_x / 65536.f,
0.f, 0.f,
paint.u.scale.scale_y / 65536.f,
0.f, 0.f);
paint_funcs->push_transform (paint_data,
1.f, 0.f, 0.f, 1.f,
-paint.u.scale.center_x / 65536.f,
-paint.u.scale.center_y / 65536.f);
if (has_translate)
paint_funcs->push_transform (paint_data,
1.f, 0.f, 0.f, 1.f,
-paint.u.scale.center_x / 65536.f,
-paint.u.scale.center_y / 65536.f);
paint_recurse (paint.u.scale.paint);
paint_funcs->pop_transform (paint_data);
paint_funcs->pop_transform (paint_data);
paint_funcs->pop_transform (paint_data);
if (has_translate)
{
paint_funcs->pop_transform (paint_data);
paint_funcs->pop_transform (paint_data);
}
}
break;
case FT_COLR_PAINTFORMAT_ROTATE: