2 * Copyright (C) 2009 Red Hat, Inc.
4 * This is part of HarfBuzz, an OpenType Layout engine library.
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 * Red Hat Author(s): Behdad Esfahbod
30 #include "hb-common.h"
32 #include "hb-unicode.h"
41 typedef struct _hb_face_t hb_face_t;
44 hb_face_create_for_data (hb_blob_t *blob,
47 typedef hb_blob_t * (*hb_get_table_func_t) (hb_tag_t tag, void *user_data);
49 /* calls destory() when not needing user_data anymore */
51 hb_face_create_for_tables (hb_get_table_func_t get_table,
52 hb_destroy_func_t destroy,
56 hb_face_reference (hb_face_t *face);
59 hb_face_get_reference_count (hb_face_t *face);
62 hb_face_destroy (hb_face_t *face);
65 hb_face_set_unicode_funcs (hb_face_t *face,
66 hb_unicode_funcs_t *unicode_funcs);
69 hb_face_get_table (hb_face_t *face,
77 typedef struct _hb_font_funcs_t hb_font_funcs_t;
80 hb_font_funcs_create (void);
83 hb_font_funcs_reference (hb_font_funcs_t *ffuncs);
86 hb_font_funcs_get_reference_count (hb_font_funcs_t *ffuncs);
89 hb_font_funcs_destroy (hb_font_funcs_t *ffuncs);
92 hb_font_funcs_copy (hb_font_funcs_t *ffuncs);
95 hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs);
100 hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
101 hb_font_get_glyph_func_t glyph_func);
104 hb_font_funcs_set_contour_point_func (hb_font_funcs_t *ffuncs,
105 hb_font_get_contour_point_func_t contour_point_func);
108 hb_font_funcs_set_glyph_metrics_func (hb_font_funcs_t *ffuncs,
109 hb_font_get_glyph_metrics_func_t glyph_metrics_func);
112 hb_font_funcs_set_kerning_func (hb_font_funcs_t *ffuncs,
113 hb_font_get_kerning_func_t kerning_func);
122 /* Fonts are very light-weight objects */
124 typedef struct _hb_font_t hb_font_t;
127 hb_font_create (void);
130 hb_font_reference (hb_font_t *font);
133 hb_font_get_reference_count (hb_font_t *font);
136 hb_font_destroy (hb_font_t *font);
139 hb_font_set_funcs (hb_font_t *font,
140 hb_font_funcs_t *klass);
144 * should we decompose this to units_per_EM and font-size?
145 * units_per_EM setting then can go into the face, or better,
146 * read from the 'head' table.
148 * Then we either need size+shape like freetype does, or a full
152 hb_font_set_scale (hb_font_t *font,
153 hb_16dot16_t x_scale,
154 hb_16dot16_t y_scale);
157 * A zero value means "no hinting in that direction"
160 hb_font_set_ppem (hb_font_t *font,
162 unsigned int y_ppem);
167 #endif /* HB_FONT_H */