diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh index d1b66b44d54..c9904af8e40 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh @@ -30,31 +30,67 @@ #include "hb-private.hh" #include "hb-subset.h" +#include "hb-subset-private.hh" #include "hb-object-private.hh" +#include "hb-map-private.hh" -struct hb_subset_plan_t { +struct hb_subset_plan_t +{ hb_object_header_t header; ASSERT_POD (); hb_bool_t drop_hints; - // TODO(Q1) actual map, drop this crap - // Look at me ma, I'm a poor mans map codepoint : new gid - // codepoints is sorted and aligned with gids_to_retain. - - // These first two lists provide a mapping from cp -> gid - // As a result it does not list the full set of glyphs to retain. - hb_prealloced_array_t<hb_codepoint_t> codepoints; - hb_prealloced_array_t<hb_codepoint_t> gids_to_retain; + // For each cp that we'd like to retain maps to the corresponding gid. + hb_set_t *unicodes; // This list contains the complete set of glyphs to retain and may contain // more glyphs then the lists above. - hb_prealloced_array_t<hb_codepoint_t> gids_to_retain_sorted; + hb_vector_t<hb_codepoint_t> glyphs; + + hb_map_t *codepoint_to_glyph; + hb_map_t *glyph_map; // Plan is only good for a specific source/dest so keep them with it hb_face_t *source; hb_face_t *dest; + + inline hb_bool_t + new_gid_for_codepoint (hb_codepoint_t codepoint, + hb_codepoint_t *new_gid) const + { + hb_codepoint_t old_gid = codepoint_to_glyph->get (codepoint); + if (old_gid == HB_MAP_VALUE_INVALID) + return false; + + return new_gid_for_old_gid (old_gid, new_gid); + } + + inline hb_bool_t + new_gid_for_old_gid (hb_codepoint_t old_gid, + hb_codepoint_t *new_gid) const + { + hb_codepoint_t gid = glyph_map->get (old_gid); + if (gid == HB_MAP_VALUE_INVALID) + return false; + + *new_gid = gid; + return true; + } + + inline hb_bool_t + add_table (hb_tag_t tag, + hb_blob_t *contents) + { + hb_blob_t *source_blob = source->reference_table (tag); + DEBUG_MSG(SUBSET, nullptr, "add table %c%c%c%c, dest %d bytes, source %d bytes", + HB_UNTAG(tag), + hb_blob_get_length (contents), + hb_blob_get_length (source_blob)); + hb_blob_destroy (source_blob); + return hb_subset_face_add_table(dest, tag, contents); + } }; typedef struct hb_subset_plan_t hb_subset_plan_t; @@ -64,21 +100,6 @@ hb_subset_plan_create (hb_face_t *face, hb_subset_profile_t *profile, hb_subset_input_t *input); -HB_INTERNAL hb_bool_t -hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan, - hb_codepoint_t old_gid, - hb_codepoint_t *new_gid /* OUT */); - -HB_INTERNAL hb_bool_t -hb_subset_plan_new_gid_for_codepoint(hb_subset_plan_t *plan, - hb_codepoint_t codepont, - hb_codepoint_t *new_gid /* OUT */); - -HB_INTERNAL hb_bool_t -hb_subset_plan_add_table(hb_subset_plan_t *plan, - hb_tag_t tag, - hb_blob_t *contents); - HB_INTERNAL void hb_subset_plan_destroy (hb_subset_plan_t *plan); |