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text-freetype2: Use cached glyph advances

We had these advances laying around but didn't use them here. Loading
the glyphs from the fonts is extremely slow, so let's avoid that since
we take the time to cache these already.
This commit is contained in:
Kurt Kartaltepe 2024-04-14 21:45:40 -07:00 committed by Lain
parent b4a061dcd8
commit e9b42e6c58

View File

@ -570,12 +570,17 @@ uint32_t get_ft2_text_width(wchar_t *text, struct ft2_source *srcdata)
const FT_UInt glyph_index =
FT_Get_Char_Index(srcdata->font_face, text[i]);
load_glyph(srcdata, glyph_index, get_render_mode(srcdata));
if (text[i] == L'\n')
w = 0;
else {
w += slot->advance.x >> 6;
if (src_glyph) {
// Use the cached values.
w += src_glyph->xadv;
} else {
load_glyph(srcdata, glyph_index,
get_render_mode(srcdata));
w += slot->advance.x >> 6;
}
if (w > max_w)
max_w = w;
}