diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-font.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-font.cc | 1008 |
1 files changed, 0 insertions, 1008 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-font.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-font.cc deleted file mode 100644 index b59fdebaea7..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-font.cc +++ /dev/null @@ -1,1008 +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-private.hh" - -#include "hb-ot-layout-private.hh" - -#include "hb-font-private.hh" -#include "hb-blob.h" -#include "hb-open-file-private.hh" -#include "hb-ot-head-table.hh" -#include "hb-ot-maxp-table.hh" - -#include "hb-cache-private.hh" - -#include <string.h> - - - -/* - * hb_font_funcs_t - */ - -static hb_bool_t -hb_font_get_glyph_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t unicode, - hb_codepoint_t variation_selector, - hb_codepoint_t *glyph, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent->get_glyph (unicode, variation_selector, glyph); - - *glyph = 0; - return false; -} - -static hb_position_t -hb_font_get_glyph_h_advance_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph)); - - return font->x_scale; -} - -static hb_position_t -hb_font_get_glyph_v_advance_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph)); - - return font->y_scale; -} - -static hb_bool_t -hb_font_get_glyph_h_origin_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - hb_position_t *x, - hb_position_t *y, - void *user_data HB_UNUSED) -{ - if (font->parent) { - hb_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y); - if (ret) - font->parent_scale_position (x, y); - return ret; - } - - *x = *y = 0; - return false; -} - -static hb_bool_t -hb_font_get_glyph_v_origin_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - hb_position_t *x, - hb_position_t *y, - void *user_data HB_UNUSED) -{ - if (font->parent) { - hb_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y); - if (ret) - font->parent_scale_position (x, y); - return ret; - } - - *x = *y = 0; - return false; -} - -static hb_position_t -hb_font_get_glyph_h_kerning_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t left_glyph, - hb_codepoint_t right_glyph, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph)); - - return 0; -} - -static hb_position_t -hb_font_get_glyph_v_kerning_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t top_glyph, - hb_codepoint_t bottom_glyph, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph)); - - return 0; -} - -static hb_bool_t -hb_font_get_glyph_extents_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - hb_glyph_extents_t *extents, - void *user_data HB_UNUSED) -{ - if (font->parent) { - hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents); - if (ret) { - font->parent_scale_position (&extents->x_bearing, &extents->y_bearing); - font->parent_scale_distance (&extents->width, &extents->height); - } - return ret; - } - - memset (extents, 0, sizeof (*extents)); - return false; -} - -static hb_bool_t -hb_font_get_glyph_contour_point_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - unsigned int point_index, - hb_position_t *x, - hb_position_t *y, - void *user_data HB_UNUSED) -{ - if (font->parent) { - hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y); - if (ret) - font->parent_scale_position (x, y); - return ret; - } - - *x = *y = 0; - return false; -} - -static hb_bool_t -hb_font_get_glyph_name_nil (hb_font_t *font, - void *font_data HB_UNUSED, - hb_codepoint_t glyph, - char *name, unsigned int size, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent->get_glyph_name (glyph, name, size); - - if (size) *name = '\0'; - return false; -} - -static hb_bool_t -hb_font_get_glyph_from_name_nil (hb_font_t *font, - void *font_data HB_UNUSED, - const char *name, int len, /* -1 means nul-terminated */ - hb_codepoint_t *glyph, - void *user_data HB_UNUSED) -{ - if (font->parent) - return font->parent->get_glyph_from_name (name, len, glyph); - - *glyph = 0; - return false; -} - - -static const hb_font_funcs_t _hb_font_funcs_nil = { - HB_OBJECT_HEADER_STATIC, - - true, /* immutable */ - - { -#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil, - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - } -}; - - -hb_font_funcs_t * -hb_font_funcs_create (void) -{ - hb_font_funcs_t *ffuncs; - - if (!(ffuncs = hb_object_create<hb_font_funcs_t> ())) - return hb_font_funcs_get_empty (); - - ffuncs->get = _hb_font_funcs_nil.get; - - return ffuncs; -} - -hb_font_funcs_t * -hb_font_funcs_get_empty (void) -{ - return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil); -} - -hb_font_funcs_t * -hb_font_funcs_reference (hb_font_funcs_t *ffuncs) -{ - return hb_object_reference (ffuncs); -} - -void -hb_font_funcs_destroy (hb_font_funcs_t *ffuncs) -{ - if (!hb_object_destroy (ffuncs)) return; - -#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) \ - ffuncs->destroy.name (ffuncs->user_data.name); - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - - free (ffuncs); -} - -hb_bool_t -hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, - hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy, - hb_bool_t replace) -{ - return hb_object_set_user_data (ffuncs, key, data, destroy, replace); -} - -void * -hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, - hb_user_data_key_t *key) -{ - return hb_object_get_user_data (ffuncs, key); -} - - -void -hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs) -{ - if (hb_object_is_inert (ffuncs)) - return; - - ffuncs->immutable = true; -} - -hb_bool_t -hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs) -{ - return ffuncs->immutable; -} - - -#define HB_FONT_FUNC_IMPLEMENT(name) \ - \ -void \ -hb_font_funcs_set_##name##_func (hb_font_funcs_t *ffuncs, \ - hb_font_get_##name##_func_t func, \ - void *user_data, \ - hb_destroy_func_t destroy) \ -{ \ - if (ffuncs->immutable) { \ - if (destroy) \ - destroy (user_data); \ - return; \ - } \ - \ - if (ffuncs->destroy.name) \ - ffuncs->destroy.name (ffuncs->user_data.name); \ - \ - if (func) { \ - ffuncs->get.name = func; \ - ffuncs->user_data.name = user_data; \ - ffuncs->destroy.name = destroy; \ - } else { \ - ffuncs->get.name = hb_font_get_##name##_nil; \ - ffuncs->user_data.name = NULL; \ - ffuncs->destroy.name = NULL; \ - } \ -} - -HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - - -/* Public getters */ - -hb_bool_t -hb_font_get_glyph (hb_font_t *font, - hb_codepoint_t unicode, hb_codepoint_t variation_selector, - hb_codepoint_t *glyph) -{ - return font->get_glyph (unicode, variation_selector, glyph); -} - -hb_position_t -hb_font_get_glyph_h_advance (hb_font_t *font, - hb_codepoint_t glyph) -{ - return font->get_glyph_h_advance (glyph); -} - -hb_position_t -hb_font_get_glyph_v_advance (hb_font_t *font, - hb_codepoint_t glyph) -{ - return font->get_glyph_v_advance (glyph); -} - -hb_bool_t -hb_font_get_glyph_h_origin (hb_font_t *font, - hb_codepoint_t glyph, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_h_origin (glyph, x, y); -} - -hb_bool_t -hb_font_get_glyph_v_origin (hb_font_t *font, - hb_codepoint_t glyph, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_v_origin (glyph, x, y); -} - -hb_position_t -hb_font_get_glyph_h_kerning (hb_font_t *font, - hb_codepoint_t left_glyph, hb_codepoint_t right_glyph) -{ - return font->get_glyph_h_kerning (left_glyph, right_glyph); -} - -hb_position_t -hb_font_get_glyph_v_kerning (hb_font_t *font, - hb_codepoint_t left_glyph, hb_codepoint_t right_glyph) -{ - return font->get_glyph_v_kerning (left_glyph, right_glyph); -} - -hb_bool_t -hb_font_get_glyph_extents (hb_font_t *font, - hb_codepoint_t glyph, - hb_glyph_extents_t *extents) -{ - return font->get_glyph_extents (glyph, extents); -} - -hb_bool_t -hb_font_get_glyph_contour_point (hb_font_t *font, - hb_codepoint_t glyph, unsigned int point_index, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_contour_point (glyph, point_index, x, y); -} - -hb_bool_t -hb_font_get_glyph_name (hb_font_t *font, - hb_codepoint_t glyph, - char *name, unsigned int size) -{ - return font->get_glyph_name (glyph, name, size); -} - -hb_bool_t -hb_font_get_glyph_from_name (hb_font_t *font, - const char *name, int len, /* -1 means nul-terminated */ - hb_codepoint_t *glyph) -{ - return font->get_glyph_from_name (name, len, glyph); -} - - -/* A bit higher-level, and with fallback */ - -void -hb_font_get_glyph_advance_for_direction (hb_font_t *font, - hb_codepoint_t glyph, - hb_direction_t direction, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_advance_for_direction (glyph, direction, x, y); -} - -void -hb_font_get_glyph_origin_for_direction (hb_font_t *font, - hb_codepoint_t glyph, - hb_direction_t direction, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_origin_for_direction (glyph, direction, x, y); -} - -void -hb_font_add_glyph_origin_for_direction (hb_font_t *font, - hb_codepoint_t glyph, - hb_direction_t direction, - hb_position_t *x, hb_position_t *y) -{ - return font->add_glyph_origin_for_direction (glyph, direction, x, y); -} - -void -hb_font_subtract_glyph_origin_for_direction (hb_font_t *font, - hb_codepoint_t glyph, - hb_direction_t direction, - hb_position_t *x, hb_position_t *y) -{ - return font->subtract_glyph_origin_for_direction (glyph, direction, x, y); -} - -void -hb_font_get_glyph_kerning_for_direction (hb_font_t *font, - hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, - hb_direction_t direction, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_kerning_for_direction (first_glyph, second_glyph, direction, x, y); -} - -hb_bool_t -hb_font_get_glyph_extents_for_origin (hb_font_t *font, - hb_codepoint_t glyph, - hb_direction_t direction, - hb_glyph_extents_t *extents) -{ - return font->get_glyph_extents_for_origin (glyph, direction, extents); -} - -hb_bool_t -hb_font_get_glyph_contour_point_for_origin (hb_font_t *font, - hb_codepoint_t glyph, unsigned int point_index, - hb_direction_t direction, - hb_position_t *x, hb_position_t *y) -{ - return font->get_glyph_contour_point_for_origin (glyph, point_index, direction, x, y); -} - -/* Generates gidDDD if glyph has no name. */ -void -hb_font_glyph_to_string (hb_font_t *font, - hb_codepoint_t glyph, - char *s, unsigned int size) -{ - font->glyph_to_string (glyph, s, size); -} - -/* Parses gidDDD and uniUUUU strings automatically. */ -hb_bool_t -hb_font_glyph_from_string (hb_font_t *font, - const char *s, int len, /* -1 means nul-terminated */ - hb_codepoint_t *glyph) -{ - return font->glyph_from_string (s, len, glyph); -} - - -/* - * 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 - */ - -hb_font_t * -hb_font_create (hb_face_t *face) -{ - hb_font_t *font; - - if (unlikely (!face)) - face = hb_face_get_empty (); - if (unlikely (hb_object_is_inert (face))) - return hb_font_get_empty (); - if (!(font = hb_object_create<hb_font_t> ())) - return hb_font_get_empty (); - - hb_face_make_immutable (face); - font->face = hb_face_reference (face); - font->klass = hb_font_funcs_get_empty (); - - return font; -} - -hb_font_t * -hb_font_create_sub_font (hb_font_t *parent) -{ - if (unlikely (!parent)) - return hb_font_get_empty (); - - hb_font_t *font = hb_font_create (parent->face); - - if (unlikely (hb_object_is_inert (font))) - return font; - - hb_font_make_immutable (parent); - font->parent = hb_font_reference (parent); - - font->x_scale = parent->x_scale; - font->y_scale = parent->y_scale; - font->x_ppem = parent->x_ppem; - font->y_ppem = parent->y_ppem; - - return font; -} - -hb_font_t * -hb_font_get_empty (void) -{ - static const hb_font_t _hb_font_nil = { - HB_OBJECT_HEADER_STATIC, - - true, /* immutable */ - - NULL, /* parent */ - const_cast<hb_face_t *> (&_hb_face_nil), - - 0, /* x_scale */ - 0, /* y_scale */ - - 0, /* x_ppem */ - 0, /* y_ppem */ - - const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */ - NULL, /* user_data */ - NULL, /* destroy */ - - { -#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID, -#include "hb-shaper-list.hh" -#undef HB_SHAPER_IMPLEMENT - } - }; - - return const_cast<hb_font_t *> (&_hb_font_nil); -} - -hb_font_t * -hb_font_reference (hb_font_t *font) -{ - return hb_object_reference (font); -} - -void -hb_font_destroy (hb_font_t *font) -{ - if (!hb_object_destroy (font)) return; - -#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, font); -#include "hb-shaper-list.hh" -#undef HB_SHAPER_IMPLEMENT - - if (font->destroy) - font->destroy (font->user_data); - - hb_font_destroy (font->parent); - hb_face_destroy (font->face); - hb_font_funcs_destroy (font->klass); - - free (font); -} - -hb_bool_t -hb_font_set_user_data (hb_font_t *font, - hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy, - hb_bool_t replace) -{ - return hb_object_set_user_data (font, key, data, destroy, replace); -} - -void * -hb_font_get_user_data (hb_font_t *font, - hb_user_data_key_t *key) -{ - return hb_object_get_user_data (font, key); -} - -void -hb_font_make_immutable (hb_font_t *font) -{ - if (hb_object_is_inert (font)) - return; - - font->immutable = true; -} - -hb_bool_t -hb_font_is_immutable (hb_font_t *font) -{ - return font->immutable; -} - -hb_font_t * -hb_font_get_parent (hb_font_t *font) -{ - return font->parent; -} - -hb_face_t * -hb_font_get_face (hb_font_t *font) -{ - return font->face; -} - - -void -hb_font_set_funcs (hb_font_t *font, - hb_font_funcs_t *klass, - void *user_data, - hb_destroy_func_t destroy) -{ - if (font->immutable) { - if (destroy) - destroy (user_data); - return; - } - - if (font->destroy) - font->destroy (font->user_data); - - if (!klass) - klass = hb_font_funcs_get_empty (); - - hb_font_funcs_reference (klass); - hb_font_funcs_destroy (font->klass); - font->klass = klass; - font->user_data = user_data; - font->destroy = destroy; -} - -void -hb_font_set_funcs_data (hb_font_t *font, - void *user_data, - hb_destroy_func_t destroy) -{ - /* Destroy user_data? */ - if (font->immutable) { - if (destroy) - destroy (user_data); - return; - } - - if (font->destroy) - font->destroy (font->user_data); - - font->user_data = user_data; - font->destroy = destroy; -} - - -void -hb_font_set_scale (hb_font_t *font, - int x_scale, - int y_scale) -{ - if (font->immutable) - return; - - font->x_scale = x_scale; - font->y_scale = y_scale; -} - -void -hb_font_get_scale (hb_font_t *font, - int *x_scale, - int *y_scale) -{ - if (x_scale) *x_scale = font->x_scale; - if (y_scale) *y_scale = font->y_scale; -} - -void -hb_font_set_ppem (hb_font_t *font, - unsigned int x_ppem, - unsigned int y_ppem) -{ - if (font->immutable) - return; - - font->x_ppem = x_ppem; - font->y_ppem = y_ppem; -} - -void -hb_font_get_ppem (hb_font_t *font, - unsigned int *x_ppem, - unsigned int *y_ppem) -{ - if (x_ppem) *x_ppem = font->x_ppem; - if (y_ppem) *y_ppem = font->y_ppem; -} |