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subjective improvements to the freetype code 

* use FT_LOAD_TARGET_LIGHT when hinting is enabled, which only moves
  things vertically
* don't truncate the glyph advance with >> 6, use / 64.0f instead, and
  CEIL to align to pixels
This commit is contained in:
insofaras 2016-07-13 04:48:15 +01:00
parent 92014e2ee8
commit 2718590d8b
1 changed files with 4 additions and 2 deletions
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6
4ed_rendering.cpp
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@ -588,7 +588,9 @@ font_load_freetype(Partition *part,
} }
else{ else{
if (use_hinting){ if (use_hinting){
ft_extra_flags = FT_LOAD_FORCE_AUTOHINT; // NOTE(inso): FT_LOAD_TARGET_LIGHT does hinting only vertically, which looks nicer imo
// maybe it could be exposed as an option for hinting, instead of just on/off.
ft_extra_flags = FT_LOAD_FORCE_AUTOHINT | FT_LOAD_TARGET_LIGHT;
} }
else{ else{
ft_extra_flags = (FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING); ft_extra_flags = (FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
@ -626,7 +628,7 @@ font_load_freetype(Partition *part,
c->xoff2 = w + c->xoff; c->xoff2 = w + c->xoff;
c->yoff2 = h + c->yoff + 1; c->yoff2 = h + c->yoff + 1;
rf->advance_data[i] = (f32)(face->glyph->advance.x >> 6); rf->advance_data[i] = CEIL32(face->glyph->advance.x / 64.0f);
rf->glyphs[i].exists = 1; rf->glyphs[i].exists = 1;