Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/hb-deprecated.h @ 22:d77477b4e151

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Let _int_rc() also handle (i.e. ignore) a local version suffix
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 12:05:57 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright © 2013 Google, Inc.
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3 *
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4 * This is part of HarfBuzz, a text shaping library.
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5 *
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6 * Permission is hereby granted, without written agreement and without
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7 * license or royalty fees, to use, copy, modify, and distribute this
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8 * software and its documentation for any purpose, provided that the
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9 * above copyright notice and the following two paragraphs appear in
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10 * all copies of this software.
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11 *
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12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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16 * DAMAGE.
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17 *
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18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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23 *
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24 * Google Author(s): Behdad Esfahbod
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25 */
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27 #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
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28 #error "Include <hb.h> instead."
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29 #endif
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31 #ifndef HB_DEPRECATED_H
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32 #define HB_DEPRECATED_H
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34 #include "hb-common.h"
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35 #include "hb-unicode.h"
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36 #include "hb-font.h"
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37 #include "hb-set.h"
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39
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40 /**
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41 * SECTION:hb-deprecated
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42 * @title: hb-deprecated
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43 * @short_description: Deprecated API
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44 * @include: hb.h
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45 *
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46 * These API have been deprecated in favor of newer API, or because they
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47 * were deemed unnecessary.
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48 **/
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49
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51 HB_BEGIN_DECLS
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52
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53 #ifndef HB_DISABLE_DEPRECATED
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54
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55
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56 /**
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57 * HB_SCRIPT_CANADIAN_ABORIGINAL:
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58 *
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59 * Use #HB_SCRIPT_CANADIAN_SYLLABICS instead:
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60 *
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61 * Deprecated: 0.9.20
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62 */
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63 #define HB_SCRIPT_CANADIAN_ABORIGINAL HB_SCRIPT_CANADIAN_SYLLABICS
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64
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65 /**
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66 * HB_BUFFER_FLAGS_DEFAULT:
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67 *
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68 * Use #HB_BUFFER_FLAG_DEFAULT instead.
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69 *
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70 * Deprecated: 0.9.20
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71 */
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72 #define HB_BUFFER_FLAGS_DEFAULT HB_BUFFER_FLAG_DEFAULT
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73 /**
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74 * HB_BUFFER_SERIALIZE_FLAGS_DEFAULT:
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75 *
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76 * Use #HB_BUFFER_SERIALIZE_FLAG_DEFAULT instead.
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77 *
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78 * Deprecated: 0.9.20
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79 */
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80 #define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT HB_BUFFER_SERIALIZE_FLAG_DEFAULT
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81
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82 /**
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83 * hb_font_get_glyph_func_t:
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84 * @font: #hb_font_t to work upon
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85 * @font_data: @font user data pointer
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86 * @unicode: The Unicode code point to query
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87 * @variation_selector: The variation-selector code point to query
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88 * @glyph: (out): The glyph ID retrieved
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89 * @user_data: User data pointer passed by the caller
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90 *
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91 * A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
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92 *
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93 * This method should retrieve the glyph ID for a specified Unicode code point
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94 * font, with an optional variation selector.
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95 *
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96 * Return value: `true` if data found, `false` otherwise
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97 * Deprecated: 1.2.3
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98 *
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99 **/
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100 typedef hb_bool_t (*hb_font_get_glyph_func_t) (hb_font_t *font, void *font_data,
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101 hb_codepoint_t unicode, hb_codepoint_t variation_selector,
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102 hb_codepoint_t *glyph,
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103 void *user_data);
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104
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105 HB_EXTERN HB_DEPRECATED_FOR(hb_font_funcs_set_nominal_glyph_func and hb_font_funcs_set_variation_glyph_func) void
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106 hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
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107 hb_font_get_glyph_func_t func,
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108 void *user_data, hb_destroy_func_t destroy);
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109
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110 /**
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111 * hb_unicode_eastasian_width_func_t:
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112 * @ufuncs: A Unicode-functions structure
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113 * @unicode: The code point to query
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114 * @user_data: User data pointer passed by the caller
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115 *
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116 * A virtual method for the #hb_unicode_funcs_t structure.
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117 *
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118 * Deprecated: 2.0.0
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119 */
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120 typedef unsigned int (*hb_unicode_eastasian_width_func_t) (hb_unicode_funcs_t *ufuncs,
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121 hb_codepoint_t unicode,
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122 void *user_data);
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123
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124 /**
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125 * hb_unicode_funcs_set_eastasian_width_func:
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126 * @ufuncs: a Unicode-function structure
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127 * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
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128 * @user_data: Data to pass to @func
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129 * @destroy: (nullable): The function to call when @user_data is not needed anymore
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130 *
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131 * Sets the implementation function for #hb_unicode_eastasian_width_func_t.
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132 *
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133 * Since: 0.9.2
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134 * Deprecated: 2.0.0
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135 **/
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136 HB_EXTERN HB_DEPRECATED void
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137 hb_unicode_funcs_set_eastasian_width_func (hb_unicode_funcs_t *ufuncs,
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138 hb_unicode_eastasian_width_func_t func,
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139 void *user_data, hb_destroy_func_t destroy);
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140
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141 /**
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142 * hb_unicode_eastasian_width:
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143 * @ufuncs: a Unicode-function structure
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144 * @unicode: The code point to query
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145 *
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146 * Don't use. Not used by HarfBuzz.
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147 *
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148 * Since: 0.9.2
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149 * Deprecated: 2.0.0
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150 **/
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151 HB_EXTERN HB_DEPRECATED unsigned int
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152 hb_unicode_eastasian_width (hb_unicode_funcs_t *ufuncs,
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153 hb_codepoint_t unicode);
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154
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155
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156 /**
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157 * hb_unicode_decompose_compatibility_func_t:
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158 * @ufuncs: a Unicode function structure
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159 * @u: codepoint to decompose
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160 * @decomposed: address of codepoint array (of length #HB_UNICODE_MAX_DECOMPOSITION_LEN) to write decomposition into
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161 * @user_data: user data pointer as passed to hb_unicode_funcs_set_decompose_compatibility_func()
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162 *
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163 * Fully decompose @u to its Unicode compatibility decomposition. The codepoints of the decomposition will be written to @decomposed.
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164 * The complete length of the decomposition will be returned.
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165 *
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166 * If @u has no compatibility decomposition, zero should be returned.
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167 *
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168 * The Unicode standard guarantees that a buffer of length #HB_UNICODE_MAX_DECOMPOSITION_LEN codepoints will always be sufficient for any
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169 * compatibility decomposition plus an terminating value of 0. Consequently, @decompose must be allocated by the caller to be at least this length. Implementations
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170 * of this function type must ensure that they do not write past the provided array.
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171 *
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172 * Return value: number of codepoints in the full compatibility decomposition of @u, or 0 if no decomposition available.
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173 *
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174 * Deprecated: 2.0.0
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175 */
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176 typedef unsigned int (*hb_unicode_decompose_compatibility_func_t) (hb_unicode_funcs_t *ufuncs,
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177 hb_codepoint_t u,
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178 hb_codepoint_t *decomposed,
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179 void *user_data);
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180
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181 /**
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182 * HB_UNICODE_MAX_DECOMPOSITION_LEN:
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183 *
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184 * See Unicode 6.1 for details on the maximum decomposition length.
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185 *
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186 * Deprecated: 2.0.0
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187 */
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188 #define HB_UNICODE_MAX_DECOMPOSITION_LEN (18+1) /* codepoints */
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189
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190 /**
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191 * hb_unicode_funcs_set_decompose_compatibility_func:
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192 * @ufuncs: A Unicode-functions structure
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193 * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
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194 * @user_data: Data to pass to @func
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195 * @destroy: (nullable): The function to call when @user_data is not needed anymore
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196 *
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197 * Sets the implementation function for #hb_unicode_decompose_compatibility_func_t.
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198 *
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199 *
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200 *
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201 * Since: 0.9.2
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202 * Deprecated: 2.0.0
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203 **/
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204 HB_EXTERN HB_DEPRECATED void
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205 hb_unicode_funcs_set_decompose_compatibility_func (hb_unicode_funcs_t *ufuncs,
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206 hb_unicode_decompose_compatibility_func_t func,
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207 void *user_data, hb_destroy_func_t destroy);
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208
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209 HB_EXTERN HB_DEPRECATED unsigned int
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210 hb_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs,
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211 hb_codepoint_t u,
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212 hb_codepoint_t *decomposed);
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213
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214
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215 /**
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216 * hb_font_get_glyph_v_kerning_func_t:
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217 *
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218 * A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
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219 *
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220 * This method should retrieve the kerning-adjustment value for a glyph-pair in
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221 * the specified font, for vertical text segments.
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222 *
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223 **/
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224 typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t;
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225
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226 /**
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227 * hb_font_funcs_set_glyph_v_kerning_func:
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228 * @ffuncs: A font-function structure
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229 * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
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230 * @user_data: Data to pass to @func
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231 * @destroy: (nullable): The function to call when @user_data is not needed anymore
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232 *
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233 * Sets the implementation function for #hb_font_get_glyph_v_kerning_func_t.
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234 *
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235 * Since: 0.9.2
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236 * Deprecated: 2.0.0
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237 **/
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238 HB_EXTERN void
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239 hb_font_funcs_set_glyph_v_kerning_func (hb_font_funcs_t *ffuncs,
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240 hb_font_get_glyph_v_kerning_func_t func,
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241 void *user_data, hb_destroy_func_t destroy);
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242
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243 HB_EXTERN hb_position_t
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244 hb_font_get_glyph_v_kerning (hb_font_t *font,
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245 hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph);
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246
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247 #endif
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248
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249 HB_END_DECLS
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250
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251 #endif /* HB_DEPRECATED_H */