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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-0.9.13/src/hb-font.cc1008
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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;
-}