diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-font.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-font.cc | 1239 |
1 files changed, 0 insertions, 1239 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-font.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-font.cc deleted file mode 100644 index 855864377e7..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-font.cc +++ /dev/null @@ -1,1239 +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_create: (Xconstructor) - * - * - * - * Return value: (transfer full): - * - * Since: 1.0 - **/ -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_get_empty: - * - * - * - * Return value: (transfer full): - * - * Since: 1.0 - **/ -hb_font_funcs_t * -hb_font_funcs_get_empty (void) -{ - return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil); -} - -/** - * hb_font_funcs_reference: (skip) - * @ffuncs: font functions. - * - * - * - * Return value: - * - * Since: 1.0 - **/ -hb_font_funcs_t * -hb_font_funcs_reference (hb_font_funcs_t *ffuncs) -{ - return hb_object_reference (ffuncs); -} - -/** - * hb_font_funcs_destroy: (skip) - * @ffuncs: font functions. - * - * - * - * Since: 1.0 - **/ -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_font_funcs_set_user_data: (skip) - * @ffuncs: font functions. - * @key: - * @data: - * @destroy: - * @replace: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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); -} - -/** - * hb_font_funcs_get_user_data: (skip) - * @ffuncs: font functions. - * @key: - * - * - * - * Return value: (transfer none): - * - * Since: 1.0 - **/ -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); -} - - -/** - * hb_font_funcs_make_immutable: - * @ffuncs: font functions. - * - * - * - * Since: 1.0 - **/ -void -hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs) -{ - if (hb_object_is_inert (ffuncs)) - return; - - ffuncs->immutable = true; -} - -/** - * hb_font_funcs_is_immutable: - * @ffuncs: font functions. - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph: - * @font: a font. - * @unicode: - * @variation_selector: - * @glyph: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_h_advance: - * @font: a font. - * @glyph: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_v_advance: - * @font: a font. - * @glyph: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_h_origin: - * @font: a font. - * @glyph: - * @x: (out): - * @y: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_v_origin: - * @font: a font. - * @glyph: - * @x: (out): - * @y: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_h_kerning: - * @font: a font. - * @left_glyph: - * @right_glyph: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_v_kerning: - * @font: a font. - * @top_glyph: - * @bottom_glyph: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -hb_position_t -hb_font_get_glyph_v_kerning (hb_font_t *font, - hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph) -{ - return font->get_glyph_v_kerning (top_glyph, bottom_glyph); -} - -/** - * hb_font_get_glyph_extents: - * @font: a font. - * @glyph: - * @extents: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_contour_point: - * @font: a font. - * @glyph: - * @point_index: - * @x: (out): - * @y: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_name: - * @font: a font. - * @glyph: - * @name: (array length=size): - * @size: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_from_name: - * @font: a font. - * @name: (array length=len): - * @len: - * @glyph: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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 */ - -/** - * hb_font_get_glyph_advance_for_direction: - * @font: a font. - * @glyph: - * @direction: - * @x: (out): - * @y: (out): - * - * - * - * Since: 1.0 - **/ -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); -} - -/** - * hb_font_get_glyph_origin_for_direction: - * @font: a font. - * @glyph: - * @direction: - * @x: (out): - * @y: (out): - * - * - * - * Since: 1.0 - **/ -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); -} - -/** - * hb_font_add_glyph_origin_for_direction: - * @font: a font. - * @glyph: - * @direction: - * @x: (out): - * @y: (out): - * - * - * - * Since: 1.0 - **/ -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); -} - -/** - * hb_font_subtract_glyph_origin_for_direction: - * @font: a font. - * @glyph: - * @direction: - * @x: (out): - * @y: (out): - * - * - * - * Since: 1.0 - **/ -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); -} - -/** - * hb_font_get_glyph_kerning_for_direction: - * @font: a font. - * @first_glyph: - * @second_glyph: - * @direction: - * @x: (out): - * @y: (out): - * - * - * - * Since: 1.0 - **/ -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_font_get_glyph_extents_for_origin: - * @font: a font. - * @glyph: - * @direction: - * @extents: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_get_glyph_contour_point_for_origin: - * @font: a font. - * @glyph: - * @point_index: - * @direction: - * @x: (out): - * @y: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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. */ -/** - * hb_font_glyph_to_string: - * @font: a font. - * @glyph: - * @s: (array length=size): - * @size: - * - * - * - * Since: 1.0 - **/ -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_font_glyph_from_string: - * @font: a font. - * @s: (array length=len): - * @len: - * @glyph: (out): - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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_font_t - */ - -/** - * hb_font_create: (Xconstructor) - * @face: a face. - * - * - * - * Return value: (transfer full): - * - * Since: 1.0 - **/ -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_create_sub_font: - * @parent: parent font. - * - * - * - * Return value: (transfer full): - * - * Since: 1.0 - **/ -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_get_empty: - * - * - * - * Return value: (transfer full) - * - * Since: 1.0 - **/ -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_reference: (skip) - * @font: a font. - * - * - * - * Return value: (transfer full): - * - * Since: 1.0 - **/ -hb_font_t * -hb_font_reference (hb_font_t *font) -{ - return hb_object_reference (font); -} - -/** - * hb_font_destroy: (skip) - * @font: a font. - * - * - * - * Since: 1.0 - **/ -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_font_set_user_data: (skip) - * @font: a font. - * @key: - * @data: - * @destroy: - * @replace: - * - * - * - * Return value: - * - * Since: 1.0 - **/ -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); -} - -/** - * hb_font_get_user_data: (skip) - * @font: a font. - * @key: - * - * - * - * Return value: (transfer none): - * - * Since: 1.0 - **/ -void * -hb_font_get_user_data (hb_font_t *font, - hb_user_data_key_t *key) -{ - return hb_object_get_user_data (font, key); -} - -/** - * hb_font_make_immutable: - * @font: a font. - * - * - * - * Since: 1.0 - **/ -void -hb_font_make_immutable (hb_font_t *font) -{ - if (hb_object_is_inert (font)) - return; - - font->immutable = true; -} - -/** - * hb_font_is_immutable: - * @font: a font. - * - * - * - * Return value: - * - * Since: 1.0 - **/ -hb_bool_t -hb_font_is_immutable (hb_font_t *font) -{ - return font->immutable; -} - -/** - * hb_font_get_parent: - * @font: a font. - * - * - * - * Return value: (transfer none): - * - * Since: 1.0 - **/ -hb_font_t * -hb_font_get_parent (hb_font_t *font) -{ - return font->parent; -} - -/** - * hb_font_get_face: - * @font: a font. - * - * - * - * Return value: (transfer none): - * - * Since: 1.0 - **/ -hb_face_t * -hb_font_get_face (hb_font_t *font) -{ - return font->face; -} - - -/** - * hb_font_set_funcs: - * @font: a font. - * @klass: (closure font_data) (destroy destroy) (scope notified): - * @font_data: - * @destroy: - * - * - * - * Since: 1.0 - **/ -void -hb_font_set_funcs (hb_font_t *font, - hb_font_funcs_t *klass, - void *font_data, - hb_destroy_func_t destroy) -{ - if (font->immutable) { - if (destroy) - destroy (font_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 = font_data; - font->destroy = destroy; -} - -/** - * hb_font_set_funcs_data: - * @font: a font. - * @font_data: (destroy destroy) (scope notified): - * @destroy: - * - * - * - * Since: 1.0 - **/ -void -hb_font_set_funcs_data (hb_font_t *font, - void *font_data, - hb_destroy_func_t destroy) -{ - /* Destroy user_data? */ - if (font->immutable) { - if (destroy) - destroy (font_data); - return; - } - - if (font->destroy) - font->destroy (font->user_data); - - font->user_data = font_data; - font->destroy = destroy; -} - - -/** - * hb_font_set_scale: - * @font: a font. - * @x_scale: - * @y_scale: - * - * - * - * Since: 1.0 - **/ -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; -} - -/** - * hb_font_get_scale: - * @font: a font. - * @x_scale: (out): - * @y_scale: (out): - * - * - * - * Since: 1.0 - **/ -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; -} - -/** - * hb_font_set_ppem: - * @font: a font. - * @x_ppem: - * @y_ppem: - * - * - * - * Since: 1.0 - **/ -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; -} - -/** - * hb_font_get_ppem: - * @font: a font. - * @x_ppem: (out): - * @y_ppem: (out): - * - * - * - * Since: 1.0 - **/ -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; -} |