diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-font.cc')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-font.cc | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.cc b/src/3rdparty/harfbuzz-ng/src/hb-font.cc index b59fdebaea..c2f6f6ddd5 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-font.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-font.cc @@ -41,7 +41,6 @@ #include <string.h> - /* * hb_font_funcs_t */ @@ -507,274 +506,6 @@ hb_font_glyph_from_string (hb_font_t *font, /* - * hb_face_t - */ - -static const hb_face_t _hb_face_nil = { - HB_OBJECT_HEADER_STATIC, - - true, /* immutable */ - - NULL, /* reference_table_func */ - NULL, /* user_data */ - NULL, /* destroy */ - - 0, /* index */ - 1000, /* upem */ - 0, /* num_glyphs */ - - { -#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID, -#include "hb-shaper-list.hh" -#undef HB_SHAPER_IMPLEMENT - }, - - NULL, /* shape_plans */ -}; - - -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->upem = 0; - face->num_glyphs = (unsigned int) -1; - - 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 *) malloc (sizeof (hb_face_for_data_closure_t)); - if (unlikely (!closure)) - return NULL; - - closure->blob = blob; - closure->index = index; - - return closure; -} - -static void -_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure) -{ - 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 = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob); - const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index); - - const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag); - - hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length); - - return blob; -} - -hb_face_t * -hb_face_create (hb_blob_t *blob, - unsigned int index) -{ - hb_face_t *face; - - if (unlikely (!blob || !hb_blob_get_length (blob))) - return hb_face_get_empty (); - - hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index); - - if (unlikely (!closure)) - return hb_face_get_empty (); - - face = hb_face_create_for_tables (_hb_face_for_data_reference_table, - closure, - (hb_destroy_func_t) _hb_face_for_data_closure_destroy); - - hb_face_set_index (face, index); - - return face; -} - -hb_face_t * -hb_face_get_empty (void) -{ - return const_cast<hb_face_t *> (&_hb_face_nil); -} - - -hb_face_t * -hb_face_reference (hb_face_t *face) -{ - return hb_object_reference (face); -} - -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; - } - -#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face); -#include "hb-shaper-list.hh" -#undef HB_SHAPER_IMPLEMENT - - if (face->destroy) - face->destroy (face->user_data); - - free (face); -} - -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); -} - -void * -hb_face_get_user_data (hb_face_t *face, - hb_user_data_key_t *key) -{ - return hb_object_get_user_data (face, key); -} - -void -hb_face_make_immutable (hb_face_t *face) -{ - if (hb_object_is_inert (face)) - return; - - face->immutable = true; -} - -hb_bool_t -hb_face_is_immutable (hb_face_t *face) -{ - return face->immutable; -} - - -hb_blob_t * -hb_face_reference_table (hb_face_t *face, - hb_tag_t tag) -{ - return face->reference_table (tag); -} - -hb_blob_t * -hb_face_reference_blob (hb_face_t *face) -{ - return face->reference_table (HB_TAG_NONE); -} - -void -hb_face_set_index (hb_face_t *face, - unsigned int index) -{ - if (hb_object_is_inert (face)) - return; - - face->index = index; -} - -unsigned int -hb_face_get_index (hb_face_t *face) -{ - return face->index; -} - -void -hb_face_set_upem (hb_face_t *face, - unsigned int upem) -{ - if (hb_object_is_inert (face)) - return; - - face->upem = upem; -} - -unsigned int -hb_face_get_upem (hb_face_t *face) -{ - return face->get_upem (); -} - -void -hb_face_t::load_upem (void) const -{ - hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head)); - const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob); - upem = head_table->get_upem (); - hb_blob_destroy (head_blob); -} - -void -hb_face_set_glyph_count (hb_face_t *face, - unsigned int glyph_count) -{ - if (hb_object_is_inert (face)) - return; - - face->num_glyphs = glyph_count; -} - -unsigned int -hb_face_get_glyph_count (hb_face_t *face) -{ - return face->get_num_glyphs (); -} - -void -hb_face_t::load_num_glyphs (void) const -{ - hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp)); - const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob); - num_glyphs = maxp_table->get_num_glyphs (); - hb_blob_destroy (maxp_blob); -} - - -/* * hb_font_t */ |