harfbuzz/src/hb-font-private.hh

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/*
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* Copyright © 2009 Red Hat, Inc.
* Copyright © 2011 Google, Inc.
*
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* 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
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* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_FONT_PRIVATE_HH
#define HB_FONT_PRIVATE_HH
#include "hb-private.hh"
#include "hb-font.h"
#include "hb-object-private.hh"
HB_BEGIN_DECLS
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/*
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* hb_font_funcs_t
*/
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struct _hb_font_funcs_t {
hb_object_header_t header;
hb_bool_t immutable;
struct {
hb_font_get_glyph_func_t get_glyph;
hb_font_get_glyph_advance_func_t get_glyph_advance;
hb_font_get_glyph_extents_func_t get_glyph_extents;
hb_font_get_contour_point_func_t get_contour_point;
hb_font_get_kerning_func_t get_kerning;
} v;
};
extern HB_INTERNAL hb_font_funcs_t _hb_font_funcs_nil;
/*
* hb_face_t
*/
struct _hb_face_t {
hb_object_header_t header;
hb_get_table_func_t get_table;
void *user_data;
hb_destroy_func_t destroy;
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hb_blob_t *head_blob;
const struct head *head_table;
struct hb_ot_layout_t *ot_layout;
};
/*
* hb_font_t
*/
struct _hb_font_t {
hb_object_header_t header;
unsigned int x_scale;
unsigned int y_scale;
unsigned int x_ppem;
unsigned int y_ppem;
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hb_font_funcs_t *klass;
void *user_data;
hb_destroy_func_t destroy;
};
HB_END_DECLS
#endif /* HB_FONT_PRIVATE_HH */