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[subset] More HB_NO_SUBSET_LAYOUT

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Part of https://github.com/harfbuzz/harfbuzz/issues/1652
This commit is contained in:
Behdad Esfahbod 2019-05-10 23:46:22 -07:00
parent 31c591d69f
commit d43af339e7
1 changed files with 8 additions and 5 deletions
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13
src/hb-subset-plan.cc
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@ -32,7 +32,7 @@
#include "hb-ot-glyf-table.hh"
#include "hb-ot-cff1-table.hh"
static void
static inline void
_add_gid_and_children (const OT::glyf::accelerator_t &glyf,
hb_codepoint_t gid,
hb_set_t *gids_to_retain)
@ -53,7 +53,7 @@ _add_gid_and_children (const OT::glyf::accelerator_t &glyf,
}
}
static void
static inline void
_add_cff_seac_components (const OT::cff1::accelerator_t &cff,
hb_codepoint_t gid,
hb_set_t *gids_to_retain)
@ -66,7 +66,7 @@ _add_cff_seac_components (const OT::cff1::accelerator_t &cff,
}
}
static void
static inline void
_gsub_closure (hb_face_t *face, hb_set_t *gids_to_retain)
{
hb_set_t lookup_indices;
@ -81,7 +81,7 @@ _gsub_closure (hb_face_t *face, hb_set_t *gids_to_retain)
gids_to_retain);
}
static void
static inline void
_remove_invalid_gids (hb_set_t *glyphs,
unsigned int num_glyphs)
{
@ -126,9 +126,11 @@ _populate_gids_to_retain (hb_face_t *face,
initial_gids_to_retain->add (gid);
}
#ifndef HB_NO_SUBSET_LAYOUT
if (close_over_gsub)
// Add all glyphs needed for GSUB substitutions.
_gsub_closure (face, initial_gids_to_retain);
#endif
// Populate a full set of glyphs to retain by adding all referenced
// composite glyphs.
@ -137,14 +139,15 @@ _populate_gids_to_retain (hb_face_t *face,
while (initial_gids_to_retain->next (&gid))
{
_add_gid_and_children (glyf, gid, all_gids_to_retain);
#ifndef HB_NO_SUBSET_CFF
if (cff.is_valid ())
_add_cff_seac_components (cff, gid, all_gids_to_retain);
#endif
}
hb_set_destroy (initial_gids_to_retain);
_remove_invalid_gids (all_gids_to_retain, face->get_num_glyphs ());
cff.fini ();
glyf.fini ();
cmap.fini ();