diff options
author | Denis Bitouzé <dbitouze@wanadoo.fr> | 2021-02-25 18:23:07 +0000 |
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committer | Denis Bitouzé <dbitouze@wanadoo.fr> | 2021-02-25 18:23:07 +0000 |
commit | c6101f91d071883b48b1b4b51e5eba0f36d9a78d (patch) | |
tree | 1bf7f5a881d7a4f5c5bf59d0b2821943dd822372 /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-face.cc | |
parent | 07ee7222e389b0777456b427a55c22d0e6ffd267 (diff) |
French translation for tlmgr updated
git-svn-id: svn://tug.org/texlive/trunk@57912 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-face.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-face.cc | 766 |
1 files changed, 0 insertions, 766 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-face.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-face.cc deleted file mode 100644 index 33a788e7c59..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-face.cc +++ /dev/null @@ -1,766 +0,0 @@ -/* - * Copyright © 2009 Red Hat, Inc. - * Copyright © 2012 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. - * - * Red Hat Author(s): Behdad Esfahbod - * Google Author(s): Behdad Esfahbod - */ - -#include "hb.hh" - -#include "hb-face.hh" -#include "hb-blob.hh" -#include "hb-open-file.hh" -#include "hb-ot-face.hh" -#include "hb-ot-cmap-table.hh" - - -/** - * SECTION:hb-face - * @title: hb-face - * @short_description: Font face objects - * @include: hb.h - * - * A font face is an object that represents a single face from within a - * font family. - * - * More precisely, a font face represents a single face in a binary font file. - * Font faces are typically built from a binary blob and a face index. - * Font faces are used to create fonts. - **/ - - -/** - * hb_face_count: - * @blob: a blob. - * - * Fetches the number of faces in a blob. - * - * Return value: Number of faces in @blob - * - * Since: 1.7.7 - **/ -unsigned int -hb_face_count (hb_blob_t *blob) -{ - if (unlikely (!blob)) - return 0; - - /* TODO We shouldn't be sanitizing blob. Port to run sanitizer and return if not sane. */ - /* Make API signature const after. */ - hb_blob_t *sanitized = hb_sanitize_context_t ().sanitize_blob<OT::OpenTypeFontFile> (hb_blob_reference (blob)); - const OT::OpenTypeFontFile& ot = *sanitized->as<OT::OpenTypeFontFile> (); - unsigned int ret = ot.get_face_count (); - hb_blob_destroy (sanitized); - - return ret; -} - -/* - * hb_face_t - */ - -DEFINE_NULL_INSTANCE (hb_face_t) = -{ - HB_OBJECT_HEADER_STATIC, - - nullptr, /* reference_table_func */ - nullptr, /* user_data */ - nullptr, /* destroy */ - - 0, /* index */ - HB_ATOMIC_INT_INIT (1000), /* upem */ - HB_ATOMIC_INT_INIT (0), /* num_glyphs */ - - /* Zero for the rest is fine. */ -}; - - -/** - * hb_face_create_for_tables: - * @reference_table_func: (closure user_data) (destroy destroy) (scope notified): Table-referencing function - * @user_data: A pointer to the user data - * @destroy: (optional): A callback to call when @data is not needed anymore - * - * Variant of hb_face_create(), built for those cases where it is more - * convenient to provide data for individual tables instead of the whole font - * data. With the caveat that hb_face_get_table_tags() does not currently work - * with faces created this way. - * - * Creates a new face object from the specified @user_data and @reference_table_func, - * with the @destroy callback. - * - * Return value: (transfer full): The new face object - * - * Since: 0.9.2 - **/ -hb_face_t * -hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, - void *user_data, - hb_destroy_func_t destroy) -{ - hb_face_t *face; - - if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) { - if (destroy) - destroy (user_data); - return hb_face_get_empty (); - } - - face->reference_table_func = reference_table_func; - face->user_data = user_data; - face->destroy = destroy; - - face->num_glyphs.set_relaxed (-1); - - face->data.init0 (face); - face->table.init0 (face); - - return face; -} - - -typedef struct hb_face_for_data_closure_t { - hb_blob_t *blob; - unsigned int index; -} hb_face_for_data_closure_t; - -static hb_face_for_data_closure_t * -_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index) -{ - hb_face_for_data_closure_t *closure; - - closure = (hb_face_for_data_closure_t *) calloc (1, sizeof (hb_face_for_data_closure_t)); - if (unlikely (!closure)) - return nullptr; - - closure->blob = blob; - closure->index = index; - - return closure; -} - -static void -_hb_face_for_data_closure_destroy (void *data) -{ - hb_face_for_data_closure_t *closure = (hb_face_for_data_closure_t *) data; - - hb_blob_destroy (closure->blob); - free (closure); -} - -static hb_blob_t * -_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data) -{ - hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data; - - if (tag == HB_TAG_NONE) - return hb_blob_reference (data->blob); - - const OT::OpenTypeFontFile &ot_file = *data->blob->as<OT::OpenTypeFontFile> (); - unsigned int base_offset; - const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index, &base_offset); - - const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag); - - hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, base_offset + table.offset, table.length); - - return blob; -} - -/** - * hb_face_create: (Xconstructor) - * @blob: #hb_blob_t to work upon - * @index: The index of the face within @blob - * - * Constructs a new face object from the specified blob and - * a face index into that blob. This is used for blobs of - * file formats such as Dfont and TTC that can contain more - * than one face. - * - * Return value: (transfer full): The new face object - * - * Since: 0.9.2 - **/ -hb_face_t * -hb_face_create (hb_blob_t *blob, - unsigned int index) -{ - hb_face_t *face; - - if (unlikely (!blob)) - blob = hb_blob_get_empty (); - - blob = hb_sanitize_context_t ().sanitize_blob<OT::OpenTypeFontFile> (hb_blob_reference (blob)); - - hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (blob, index); - - if (unlikely (!closure)) - { - hb_blob_destroy (blob); - return hb_face_get_empty (); - } - - face = hb_face_create_for_tables (_hb_face_for_data_reference_table, - closure, - _hb_face_for_data_closure_destroy); - - face->index = index; - - return face; -} - -/** - * hb_face_get_empty: - * - * Fetches the singleton empty face object. - * - * Return value: (transfer full) The empty face object - * - * Since: 0.9.2 - **/ -hb_face_t * -hb_face_get_empty () -{ - return const_cast<hb_face_t *> (&Null (hb_face_t)); -} - - -/** - * hb_face_reference: (skip) - * @face: A face object - * - * Increases the reference count on a face object. - * - * Return value: The @face object - * - * Since: 0.9.2 - **/ -hb_face_t * -hb_face_reference (hb_face_t *face) -{ - return hb_object_reference (face); -} - -/** - * hb_face_destroy: (skip) - * @face: A face object - * - * Decreases the reference count on a face object. When the - * reference count reaches zero, the face is destroyed, - * freeing all memory. - * - * Since: 0.9.2 - **/ -void -hb_face_destroy (hb_face_t *face) -{ - if (!hb_object_destroy (face)) return; - - for (hb_face_t::plan_node_t *node = face->shape_plans; node; ) - { - hb_face_t::plan_node_t *next = node->next; - hb_shape_plan_destroy (node->shape_plan); - free (node); - node = next; - } - - face->data.fini (); - face->table.fini (); - - if (face->destroy) - face->destroy (face->user_data); - - free (face); -} - -/** - * hb_face_set_user_data: (skip) - * @face: A face object - * @key: The user-data key to set - * @data: A pointer to the user data - * @destroy: (optional): A callback to call when @data is not needed anymore - * @replace: Whether to replace an existing data with the same key - * - * Attaches a user-data key/data pair to the given face object. - * - * Return value: %true if success, %false otherwise - * - * Since: 0.9.2 - **/ -hb_bool_t -hb_face_set_user_data (hb_face_t *face, - hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy, - hb_bool_t replace) -{ - return hb_object_set_user_data (face, key, data, destroy, replace); -} - -/** - * hb_face_get_user_data: (skip) - * @face: A face object - * @key: The user-data key to query - * - * Fetches the user data associated with the specified key, - * attached to the specified face object. - * - * Return value: (transfer none): A pointer to the user data - * - * Since: 0.9.2 - **/ -void * -hb_face_get_user_data (const hb_face_t *face, - hb_user_data_key_t *key) -{ - return hb_object_get_user_data (face, key); -} - -/** - * hb_face_make_immutable: - * @face: A face object - * - * Makes the given face object immutable. - * - * Since: 0.9.2 - **/ -void -hb_face_make_immutable (hb_face_t *face) -{ - if (hb_object_is_immutable (face)) - return; - - hb_object_make_immutable (face); -} - -/** - * hb_face_is_immutable: - * @face: A face object - * - * Tests whether the given face object is immutable. - * - * Return value: True is @face is immutable, false otherwise - * - * Since: 0.9.2 - **/ -hb_bool_t -hb_face_is_immutable (const hb_face_t *face) -{ - return hb_object_is_immutable (face); -} - - -/** - * hb_face_reference_table: - * @face: A face object - * @tag: The #hb_tag_t of the table to query - * - * Fetches a reference to the specified table within - * the specified face. - * - * Return value: (transfer full): A pointer to the @tag table within @face - * - * Since: 0.9.2 - **/ -hb_blob_t * -hb_face_reference_table (const hb_face_t *face, - hb_tag_t tag) -{ - if (unlikely (tag == HB_TAG_NONE)) - return hb_blob_get_empty (); - - return face->reference_table (tag); -} - -/** - * hb_face_reference_blob: - * @face: A face object - * - * Fetches a pointer to the binary blob that contains the - * specified face. Returns an empty blob if referencing face data is not - * possible. - * - * Return value: (transfer full): A pointer to the blob for @face - * - * Since: 0.9.2 - **/ -hb_blob_t * -hb_face_reference_blob (hb_face_t *face) -{ - return face->reference_table (HB_TAG_NONE); -} - -/** - * hb_face_set_index: - * @face: A face object - * @index: The index to assign - * - * Assigns the specified face-index to @face. Fails if the - * face is immutable. - * - * <note>Note: face indices within a collection are zero-based.</note> - * - * Since: 0.9.2 - **/ -void -hb_face_set_index (hb_face_t *face, - unsigned int index) -{ - if (hb_object_is_immutable (face)) - return; - - face->index = index; -} - -/** - * hb_face_get_index: - * @face: A face object - * - * Fetches the face-index corresponding to the given face. - * - * <note>Note: face indices within a collection are zero-based.</note> - * - * Return value: The index of @face. - * - * Since: 0.9.2 - **/ -unsigned int -hb_face_get_index (const hb_face_t *face) -{ - return face->index; -} - -/** - * hb_face_set_upem: - * @face: A face object - * @upem: The units-per-em value to assign - * - * Sets the units-per-em (upem) for a face object to the specified value. - * - * Since: 0.9.2 - **/ -void -hb_face_set_upem (hb_face_t *face, - unsigned int upem) -{ - if (hb_object_is_immutable (face)) - return; - - face->upem.set_relaxed (upem); -} - -/** - * hb_face_get_upem: - * @face: A face object - * - * Fetches the units-per-em (upem) value of the specified face object. - * - * Return value: The upem value of @face - * - * Since: 0.9.2 - **/ -unsigned int -hb_face_get_upem (const hb_face_t *face) -{ - return face->get_upem (); -} - -/** - * hb_face_set_glyph_count: - * @face: A face object - * @glyph_count: The glyph-count value to assign - * - * Sets the glyph count for a face object to the specified value. - * - * Since: 0.9.7 - **/ -void -hb_face_set_glyph_count (hb_face_t *face, - unsigned int glyph_count) -{ - if (hb_object_is_immutable (face)) - return; - - face->num_glyphs.set_relaxed (glyph_count); -} - -/** - * hb_face_get_glyph_count: - * @face: A face object - * - * Fetches the glyph-count value of the specified face object. - * - * Return value: The glyph-count value of @face - * - * Since: 0.9.7 - **/ -unsigned int -hb_face_get_glyph_count (const hb_face_t *face) -{ - return face->get_num_glyphs (); -} - -/** - * hb_face_get_table_tags: - * @face: A face object - * @start_offset: The index of first table tag to retrieve - * @table_count: (inout): Input = the maximum number of table tags to return; - * Output = the actual number of table tags returned (may be zero) - * @table_tags: (out) (array length=table_count): The array of table tags found - * - * Fetches a list of all table tags for a face, if possible. The list returned will - * begin at the offset provided - * - * Return value: Total number of tables, or zero if it is not possible to list - * - * Since: 1.6.0 - **/ -unsigned int -hb_face_get_table_tags (const hb_face_t *face, - unsigned int start_offset, - unsigned int *table_count, /* IN/OUT */ - hb_tag_t *table_tags /* OUT */) -{ - if (face->destroy != (hb_destroy_func_t) _hb_face_for_data_closure_destroy) - { - if (table_count) - *table_count = 0; - return 0; - } - - hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) face->user_data; - - const OT::OpenTypeFontFile &ot_file = *data->blob->as<OT::OpenTypeFontFile> (); - const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index); - - return ot_face.get_table_tags (start_offset, table_count, table_tags); -} - - -/* - * Character set. - */ - - -#ifndef HB_NO_FACE_COLLECT_UNICODES -/** - * hb_face_collect_unicodes: - * @face: A face object - * @out: The set to add Unicode characters to - * - * Collects all of the Unicode characters covered by @face and adds - * them to the #hb_set_t set @out. - * - * Since: 1.9.0 - */ -void -hb_face_collect_unicodes (hb_face_t *face, - hb_set_t *out) -{ - face->table.cmap->collect_unicodes (out, face->get_num_glyphs ()); -} -/** - * hb_face_collect_variation_selectors: - * @face: A face object - * @out: The set to add Variation Selector characters to - * - * Collects all Unicode "Variation Selector" characters covered by @face and adds - * them to the #hb_set_t set @out. - * - * Since: 1.9.0 - */ -void -hb_face_collect_variation_selectors (hb_face_t *face, - hb_set_t *out) -{ - face->table.cmap->collect_variation_selectors (out); -} -/** - * hb_face_collect_variation_unicodes: - * @face: A face object - * @variation_selector: The Variation Selector to query - * @out: The set to add Unicode characters to - * - * Collects all Unicode characters for @variation_selector covered by @face and adds - * them to the #hb_set_t set @out. - * - * Since: 1.9.0 - */ -void -hb_face_collect_variation_unicodes (hb_face_t *face, - hb_codepoint_t variation_selector, - hb_set_t *out) -{ - face->table.cmap->collect_variation_unicodes (variation_selector, out); -} -#endif - - -/* - * face-builder: A face that has add_table(). - */ - -struct hb_face_builder_data_t -{ - struct table_entry_t - { - int cmp (hb_tag_t t) const - { - if (t < tag) return -1; - if (t > tag) return -1; - return 0; - } - - hb_tag_t tag; - hb_blob_t *blob; - }; - - hb_vector_t<table_entry_t> tables; -}; - -static hb_face_builder_data_t * -_hb_face_builder_data_create () -{ - hb_face_builder_data_t *data = (hb_face_builder_data_t *) calloc (1, sizeof (hb_face_builder_data_t)); - if (unlikely (!data)) - return nullptr; - - data->tables.init (); - - return data; -} - -static void -_hb_face_builder_data_destroy (void *user_data) -{ - hb_face_builder_data_t *data = (hb_face_builder_data_t *) user_data; - - for (unsigned int i = 0; i < data->tables.length; i++) - hb_blob_destroy (data->tables[i].blob); - - data->tables.fini (); - - free (data); -} - -static hb_blob_t * -_hb_face_builder_data_reference_blob (hb_face_builder_data_t *data) -{ - - unsigned int table_count = data->tables.length; - unsigned int face_length = table_count * 16 + 12; - - for (unsigned int i = 0; i < table_count; i++) - face_length += hb_ceil_to_4 (hb_blob_get_length (data->tables[i].blob)); - - char *buf = (char *) malloc (face_length); - if (unlikely (!buf)) - return nullptr; - - hb_serialize_context_t c (buf, face_length); - c.propagate_error (data->tables); - OT::OpenTypeFontFile *f = c.start_serialize<OT::OpenTypeFontFile> (); - - bool is_cff = data->tables.lsearch (HB_TAG ('C','F','F',' ')) || data->tables.lsearch (HB_TAG ('C','F','F','2')); - hb_tag_t sfnt_tag = is_cff ? OT::OpenTypeFontFile::CFFTag : OT::OpenTypeFontFile::TrueTypeTag; - - bool ret = f->serialize_single (&c, sfnt_tag, data->tables.as_array ()); - - c.end_serialize (); - - if (unlikely (!ret)) - { - free (buf); - return nullptr; - } - - return hb_blob_create (buf, face_length, HB_MEMORY_MODE_WRITABLE, buf, free); -} - -static hb_blob_t * -_hb_face_builder_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data) -{ - hb_face_builder_data_t *data = (hb_face_builder_data_t *) user_data; - - if (!tag) - return _hb_face_builder_data_reference_blob (data); - - hb_face_builder_data_t::table_entry_t *entry = data->tables.lsearch (tag); - if (entry) - return hb_blob_reference (entry->blob); - - return nullptr; -} - - -/** - * hb_face_builder_create: - * - * Creates a #hb_face_t that can be used with hb_face_builder_add_table(). - * After tables are added to the face, it can be compiled to a binary - * font file by calling hb_face_reference_blob(). - * - * Return value: (transfer full): New face. - * - * Since: 1.9.0 - **/ -hb_face_t * -hb_face_builder_create () -{ - hb_face_builder_data_t *data = _hb_face_builder_data_create (); - if (unlikely (!data)) return hb_face_get_empty (); - - return hb_face_create_for_tables (_hb_face_builder_reference_table, - data, - _hb_face_builder_data_destroy); -} - -/** - * hb_face_builder_add_table: - * @face: A face object created with hb_face_builder_create() - * @tag: The #hb_tag_t of the table to add - * @blob: The blob containing the table data to add - * - * Add table for @tag with data provided by @blob to the face. @face must - * be created using hb_face_builder_create(). - * - * Since: 1.9.0 - **/ -hb_bool_t -hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob) -{ - if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy)) - return false; - - hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data; - - hb_face_builder_data_t::table_entry_t *entry = data->tables.push (); - if (data->tables.in_error()) - return false; - - entry->tag = tag; - entry->blob = hb_blob_reference (blob); - - return true; -} |