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Diffstat (limited to 'gfx/harfbuzz/src/hb-subset-input.cc')
| -rw-r--r-- | gfx/harfbuzz/src/hb-subset-input.cc | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-subset-input.cc b/gfx/harfbuzz/src/hb-subset-input.cc new file mode 100644 index 0000000000..fe9be3ce02 --- /dev/null +++ b/gfx/harfbuzz/src/hb-subset-input.cc @@ -0,0 +1,229 @@ +/* + * 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, Rod Sheeter, Behdad Esfahbod + */ + +#include "hb-subset.hh" +#include "hb-set.hh" + +/** + * hb_subset_input_create_or_fail: + * + * Return value: New subset input. + * + * Since: 1.8.0 + **/ +hb_subset_input_t * +hb_subset_input_create_or_fail () +{ + hb_subset_input_t *input = hb_object_create<hb_subset_input_t>(); + + if (unlikely (!input)) + return nullptr; + + input->unicodes = hb_set_create (); + input->glyphs = hb_set_create (); + input->name_ids = hb_set_create (); + hb_set_add_range (input->name_ids, 0, 6); + input->name_languages = hb_set_create (); + hb_set_add (input->name_languages, 0x0409); + input->drop_tables = hb_set_create (); + input->drop_hints = false; + input->desubroutinize = false; + input->retain_gids = false; + input->name_legacy = false; + + hb_tag_t default_drop_tables[] = { + // Layout disabled by default + HB_TAG ('G', 'S', 'U', 'B'), + HB_TAG ('G', 'P', 'O', 'S'), + HB_TAG ('G', 'D', 'E', 'F'), + HB_TAG ('m', 'o', 'r', 'x'), + HB_TAG ('m', 'o', 'r', 't'), + HB_TAG ('k', 'e', 'r', 'x'), + HB_TAG ('k', 'e', 'r', 'n'), + + // Copied from fontTools: + HB_TAG ('B', 'A', 'S', 'E'), + HB_TAG ('J', 'S', 'T', 'F'), + HB_TAG ('D', 'S', 'I', 'G'), + HB_TAG ('E', 'B', 'D', 'T'), + HB_TAG ('E', 'B', 'L', 'C'), + HB_TAG ('E', 'B', 'S', 'C'), + HB_TAG ('S', 'V', 'G', ' '), + HB_TAG ('P', 'C', 'L', 'T'), + HB_TAG ('L', 'T', 'S', 'H'), + // Graphite tables + HB_TAG ('F', 'e', 'a', 't'), + HB_TAG ('G', 'l', 'a', 't'), + HB_TAG ('G', 'l', 'o', 'c'), + HB_TAG ('S', 'i', 'l', 'f'), + HB_TAG ('S', 'i', 'l', 'l'), + }; + + input->drop_tables->add_array (default_drop_tables, ARRAY_LENGTH (default_drop_tables)); + + return input; +} + +/** + * hb_subset_input_reference: (skip) + * @subset_input: a subset_input. + * + * + * + * Return value: + * + * Since: 1.8.0 + **/ +hb_subset_input_t * +hb_subset_input_reference (hb_subset_input_t *subset_input) +{ + return hb_object_reference (subset_input); +} + +/** + * hb_subset_input_destroy: + * @subset_input: a subset_input. + * + * Since: 1.8.0 + **/ +void +hb_subset_input_destroy (hb_subset_input_t *subset_input) +{ + if (!hb_object_destroy (subset_input)) return; + + hb_set_destroy (subset_input->unicodes); + hb_set_destroy (subset_input->glyphs); + hb_set_destroy (subset_input->name_ids); + hb_set_destroy (subset_input->name_languages); + hb_set_destroy (subset_input->drop_tables); + + free (subset_input); +} + +/** + * hb_subset_input_unicode_set: + * @subset_input: a subset_input. + * + * Since: 1.8.0 + **/ +HB_EXTERN hb_set_t * +hb_subset_input_unicode_set (hb_subset_input_t *subset_input) +{ + return subset_input->unicodes; +} + +/** + * hb_subset_input_glyph_set: + * @subset_input: a subset_input. + * + * Since: 1.8.0 + **/ +HB_EXTERN hb_set_t * +hb_subset_input_glyph_set (hb_subset_input_t *subset_input) +{ + return subset_input->glyphs; +} + +HB_EXTERN hb_set_t * +hb_subset_input_nameid_set (hb_subset_input_t *subset_input) +{ + return subset_input->name_ids; +} + +HB_EXTERN hb_set_t * +hb_subset_input_namelangid_set (hb_subset_input_t *subset_input) +{ + return subset_input->name_languages; +} + +HB_EXTERN hb_set_t * +hb_subset_input_drop_tables_set (hb_subset_input_t *subset_input) +{ + return subset_input->drop_tables; +} + +HB_EXTERN void +hb_subset_input_set_drop_hints (hb_subset_input_t *subset_input, + hb_bool_t drop_hints) +{ + subset_input->drop_hints = drop_hints; +} + +HB_EXTERN hb_bool_t +hb_subset_input_get_drop_hints (hb_subset_input_t *subset_input) +{ + return subset_input->drop_hints; +} + +HB_EXTERN void +hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input, + hb_bool_t desubroutinize) +{ + subset_input->desubroutinize = desubroutinize; +} + +HB_EXTERN hb_bool_t +hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input) +{ + return subset_input->desubroutinize; +} + +/** + * hb_subset_input_set_retain_gids: + * @subset_input: a subset_input. + * @retain_gids: If true the subsetter will not renumber glyph ids. + * Since: 2.4.0 + **/ +HB_EXTERN void +hb_subset_input_set_retain_gids (hb_subset_input_t *subset_input, + hb_bool_t retain_gids) +{ + subset_input->retain_gids = retain_gids; +} + +/** + * hb_subset_input_get_retain_gids: + * Returns: value of retain_gids. + * Since: 2.4.0 + **/ +HB_EXTERN hb_bool_t +hb_subset_input_get_retain_gids (hb_subset_input_t *subset_input) +{ + return subset_input->retain_gids; +} + +HB_EXTERN void +hb_subset_input_set_name_legacy (hb_subset_input_t *subset_input, + hb_bool_t name_legacy) +{ + subset_input->name_legacy = name_legacy; +} + +HB_EXTERN hb_bool_t +hb_subset_input_get_name_legacy (hb_subset_input_t *subset_input) +{ + return subset_input->name_legacy; +} |