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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 | 194 |
1 files changed, 0 insertions, 194 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 deleted file mode 100644 index e9f603dd1d6..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-plan.hh +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright © 2018 Google, Inc. - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Google Author(s): Garret Rieger, Roderick Sheeter - */ - -#ifndef HB_SUBSET_PLAN_HH -#define HB_SUBSET_PLAN_HH - -#include "hb.hh" - -#include "hb-subset.h" -#include "hb-subset-input.hh" - -#include "hb-map.hh" -#include "hb-set.hh" - -struct hb_subset_plan_t -{ - hb_object_header_t header; - - bool successful : 1; - bool drop_hints : 1; - bool desubroutinize : 1; - bool retain_gids : 1; - bool name_legacy : 1; - - // For each cp that we'd like to retain maps to the corresponding gid. - hb_set_t *unicodes; - - // name_ids we would like to retain - hb_set_t *name_ids; - - // name_languages we would like to retain - hb_set_t *name_languages; - - //glyph ids requested to retain - hb_set_t *glyphs_requested; - - // Tables which should be dropped. - hb_set_t *drop_tables; - - // The glyph subset - hb_map_t *codepoint_to_glyph; - - // Old -> New glyph id mapping - hb_map_t *glyph_map; - hb_map_t *reverse_glyph_map; - - // Plan is only good for a specific source/dest so keep them with it - hb_face_t *source; - hb_face_t *dest; - - unsigned int _num_output_glyphs; - hb_set_t *_glyphset; - hb_set_t *_glyphset_gsub; - - //active lookups we'd like to retain - hb_map_t *gsub_lookups; - hb_map_t *gpos_lookups; - - //active features we'd like to retain - hb_map_t *gsub_features; - hb_map_t *gpos_features; - - //The set of layout item variation store delta set indices to be retained - hb_set_t *layout_variation_indices; - //Old -> New layout item variation store delta set index mapping - hb_map_t *layout_variation_idx_map; - - public: - - bool in_error () const { return !successful; } - - bool check_success(bool success) - { - successful = (successful && success); - return successful; - } - - /* - * The set of input glyph ids which will be retained in the subset. - * Does NOT include ids kept due to retain_gids. You probably want to use - * glyph_map/reverse_glyph_map. - */ - inline const hb_set_t * - glyphset () const - { - return _glyphset; - } - - /* - * The set of input glyph ids which will be retained in the subset. - */ - inline const hb_set_t * - glyphset_gsub () const - { - return _glyphset_gsub; - } - - /* - * The total number of output glyphs in the final subset. - */ - inline unsigned int - num_output_glyphs () const - { - return _num_output_glyphs; - } - - /* - * Given an output gid , returns true if that glyph id is an empty - * glyph (ie. it's a gid that we are dropping all data for). - */ - inline bool is_empty_glyph (hb_codepoint_t gid) const - { - return !_glyphset->has (gid); - } - - inline bool 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 bool 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 bool old_gid_for_new_gid (hb_codepoint_t new_gid, - hb_codepoint_t *old_gid) const - { - hb_codepoint_t gid = reverse_glyph_map->get (new_gid); - if (gid == HB_MAP_VALUE_INVALID) - return false; - - *old_gid = gid; - return true; - } - - inline bool - 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_face_builder_add_table (dest, tag, contents); - } -}; - -typedef struct hb_subset_plan_t hb_subset_plan_t; - -HB_INTERNAL hb_subset_plan_t * -hb_subset_plan_create (hb_face_t *face, - hb_subset_input_t *input); - -HB_INTERNAL void -hb_subset_plan_destroy (hb_subset_plan_t *plan); - -#endif /* HB_SUBSET_PLAN_HH */ |