author | prr |
Mon, 23 Nov 2015 09:58:44 -0800 | |
changeset 34414 | e496a8d8fc8a |
child 43232 | 8e39ad39979f |
permissions | -rw-r--r-- |
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/* |
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* Copyright © 2009 Red Hat, Inc. |
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* Copyright © 2012 Google, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Red Hat Author(s): Behdad Esfahbod |
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* Google Author(s): Behdad Esfahbod |
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*/ |
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|
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#include "hb-private.hh" |
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#include "hb-ot-layout-private.hh" |
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#include "hb-font-private.hh" |
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#include "hb-open-file-private.hh" |
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#include "hb-ot-head-table.hh" |
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#include "hb-ot-maxp-table.hh" |
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#include "hb-cache-private.hh" |
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#include <string.h> |
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/* |
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* hb_face_t |
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*/ |
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const hb_face_t _hb_face_nil = { |
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HB_OBJECT_HEADER_STATIC, |
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true, /* immutable */ |
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NULL, /* reference_table_func */ |
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NULL, /* user_data */ |
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NULL, /* destroy */ |
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0, /* index */ |
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1000, /* upem */ |
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0, /* num_glyphs */ |
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{ |
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#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID, |
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#include "hb-shaper-list.hh" |
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#undef HB_SHAPER_IMPLEMENT |
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}, |
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NULL, /* shape_plans */ |
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}; |
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/** |
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* hb_face_create_for_tables: |
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* @reference_table_func: (closure user_data) (destroy destroy) (scope notified): |
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* @user_data: |
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* @destroy: |
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* |
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* |
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* |
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* Return value: (transfer full) |
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* |
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* Since: 0.9.2 |
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**/ |
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hb_face_t * |
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hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, |
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void *user_data, |
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hb_destroy_func_t destroy) |
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{ |
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hb_face_t *face; |
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if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) { |
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if (destroy) |
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destroy (user_data); |
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return hb_face_get_empty (); |
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} |
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face->reference_table_func = reference_table_func; |
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face->user_data = user_data; |
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face->destroy = destroy; |
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face->upem = 0; |
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face->num_glyphs = (unsigned int) -1; |
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return face; |
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} |
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typedef struct hb_face_for_data_closure_t { |
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hb_blob_t *blob; |
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unsigned int index; |
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} hb_face_for_data_closure_t; |
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static hb_face_for_data_closure_t * |
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_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index) |
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{ |
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hb_face_for_data_closure_t *closure; |
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closure = (hb_face_for_data_closure_t *) calloc (1, sizeof (hb_face_for_data_closure_t)); |
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if (unlikely (!closure)) |
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return NULL; |
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closure->blob = blob; |
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closure->index = index; |
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return closure; |
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} |
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static void |
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_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure) |
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128 |
{ |
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129 |
hb_blob_destroy (closure->blob); |
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130 |
free (closure); |
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131 |
} |
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132 |
|
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133 |
static hb_blob_t * |
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134 |
_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data) |
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135 |
{ |
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136 |
hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data; |
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137 |
|
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138 |
if (tag == HB_TAG_NONE) |
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139 |
return hb_blob_reference (data->blob); |
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140 |
|
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141 |
const OT::OpenTypeFontFile &ot_file = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob); |
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const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index); |
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143 |
|
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144 |
const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag); |
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145 |
|
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146 |
hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length); |
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147 |
|
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148 |
return blob; |
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149 |
} |
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150 |
|
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151 |
/** |
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152 |
* hb_face_create: (Xconstructor) |
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153 |
* @blob: |
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154 |
* @index: |
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155 |
* |
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156 |
* |
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157 |
* |
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158 |
* Return value: (transfer full): |
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159 |
* |
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160 |
* Since: 0.9.2 |
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161 |
**/ |
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162 |
hb_face_t * |
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163 |
hb_face_create (hb_blob_t *blob, |
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164 |
unsigned int index) |
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165 |
{ |
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166 |
hb_face_t *face; |
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167 |
|
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168 |
if (unlikely (!blob)) |
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169 |
blob = hb_blob_get_empty (); |
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170 |
|
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171 |
hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index); |
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172 |
|
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173 |
if (unlikely (!closure)) |
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174 |
return hb_face_get_empty (); |
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175 |
|
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176 |
face = hb_face_create_for_tables (_hb_face_for_data_reference_table, |
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177 |
closure, |
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178 |
(hb_destroy_func_t) _hb_face_for_data_closure_destroy); |
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179 |
|
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180 |
hb_face_set_index (face, index); |
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181 |
|
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182 |
return face; |
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183 |
} |
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184 |
|
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185 |
/** |
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186 |
* hb_face_get_empty: |
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187 |
* |
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188 |
* |
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189 |
* |
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190 |
* Return value: (transfer full) |
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191 |
* |
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192 |
* Since: 0.9.2 |
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193 |
**/ |
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194 |
hb_face_t * |
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195 |
hb_face_get_empty (void) |
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196 |
{ |
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197 |
return const_cast<hb_face_t *> (&_hb_face_nil); |
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198 |
} |
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199 |
|
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200 |
|
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201 |
/** |
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202 |
* hb_face_reference: (skip) |
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203 |
* @face: a face. |
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204 |
* |
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|
205 |
* |
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206 |
* |
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207 |
* Return value: |
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208 |
* |
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|
209 |
* Since: 0.9.2 |
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210 |
**/ |
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211 |
hb_face_t * |
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212 |
hb_face_reference (hb_face_t *face) |
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213 |
{ |
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214 |
return hb_object_reference (face); |
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215 |
} |
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216 |
|
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217 |
/** |
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218 |
* hb_face_destroy: (skip) |
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219 |
* @face: a face. |
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220 |
* |
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|
221 |
* |
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222 |
* |
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|
223 |
* Since: 0.9.2 |
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224 |
**/ |
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225 |
void |
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226 |
hb_face_destroy (hb_face_t *face) |
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227 |
{ |
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228 |
if (!hb_object_destroy (face)) return; |
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229 |
|
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230 |
for (hb_face_t::plan_node_t *node = face->shape_plans; node; ) |
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231 |
{ |
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232 |
hb_face_t::plan_node_t *next = node->next; |
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233 |
hb_shape_plan_destroy (node->shape_plan); |
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|
234 |
free (node); |
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|
235 |
node = next; |
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|
236 |
} |
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237 |
|
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238 |
#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face); |
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239 |
#include "hb-shaper-list.hh" |
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240 |
#undef HB_SHAPER_IMPLEMENT |
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241 |
|
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242 |
if (face->destroy) |
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243 |
face->destroy (face->user_data); |
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|
244 |
|
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|
245 |
free (face); |
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|
246 |
} |
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247 |
|
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248 |
/** |
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249 |
* hb_face_set_user_data: (skip) |
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250 |
* @face: a face. |
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251 |
* @key: |
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252 |
* @data: |
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253 |
* @destroy: |
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254 |
* @replace: |
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|
255 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
256 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
257 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
258 |
* Return value: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
259 |
* |
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prr
parents:
diff
changeset
|
260 |
* Since: 0.9.2 |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
261 |
**/ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
262 |
hb_bool_t |
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prr
parents:
diff
changeset
|
263 |
hb_face_set_user_data (hb_face_t *face, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
264 |
hb_user_data_key_t *key, |
e496a8d8fc8a
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prr
parents:
diff
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|
265 |
void * data, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
266 |
hb_destroy_func_t destroy, |
e496a8d8fc8a
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prr
parents:
diff
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|
267 |
hb_bool_t replace) |
e496a8d8fc8a
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prr
parents:
diff
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|
268 |
{ |
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parents:
diff
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|
269 |
return hb_object_set_user_data (face, key, data, destroy, replace); |
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parents:
diff
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|
270 |
} |
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parents:
diff
changeset
|
271 |
|
e496a8d8fc8a
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prr
parents:
diff
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|
272 |
/** |
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parents:
diff
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|
273 |
* hb_face_get_user_data: (skip) |
e496a8d8fc8a
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|
274 |
* @face: a face. |
e496a8d8fc8a
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parents:
diff
changeset
|
275 |
* @key: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
276 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
277 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
278 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
279 |
* Return value: (transfer none): |
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parents:
diff
changeset
|
280 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
281 |
* Since: 0.9.2 |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
282 |
**/ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
283 |
void * |
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parents:
diff
changeset
|
284 |
hb_face_get_user_data (hb_face_t *face, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
285 |
hb_user_data_key_t *key) |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
286 |
{ |
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parents:
diff
changeset
|
287 |
return hb_object_get_user_data (face, key); |
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parents:
diff
changeset
|
288 |
} |
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prr
parents:
diff
changeset
|
289 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
290 |
/** |
e496a8d8fc8a
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parents:
diff
changeset
|
291 |
* hb_face_make_immutable: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
292 |
* @face: a face. |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
293 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
294 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
295 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
296 |
* Since: 0.9.2 |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
297 |
**/ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
298 |
void |
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parents:
diff
changeset
|
299 |
hb_face_make_immutable (hb_face_t *face) |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
300 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
301 |
if (unlikely (hb_object_is_inert (face))) |
e496a8d8fc8a
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parents:
diff
changeset
|
302 |
return; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
303 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
304 |
face->immutable = true; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
305 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
306 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
307 |
/** |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
308 |
* hb_face_is_immutable: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
309 |
* @face: a face. |
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prr
parents:
diff
changeset
|
310 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
311 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
312 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
313 |
* Return value: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
314 |
* |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
315 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
316 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
317 |
hb_bool_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
318 |
hb_face_is_immutable (hb_face_t *face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
319 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
320 |
return face->immutable; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
321 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
322 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
323 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
324 |
/** |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
325 |
* hb_face_reference_table: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
326 |
* @face: a face. |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
327 |
* @tag: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
328 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
329 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
330 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
331 |
* Return value: (transfer full): |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
332 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
333 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
334 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
335 |
hb_blob_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
336 |
hb_face_reference_table (hb_face_t *face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
337 |
hb_tag_t tag) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
338 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
339 |
return face->reference_table (tag); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
340 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
341 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
342 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
343 |
* hb_face_reference_blob: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
344 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
345 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
346 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
347 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
348 |
* Return value: (transfer full): |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
349 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
350 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
351 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
352 |
hb_blob_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
353 |
hb_face_reference_blob (hb_face_t *face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
354 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
355 |
return face->reference_table (HB_TAG_NONE); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
356 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
357 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
358 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
359 |
* hb_face_set_index: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
360 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
361 |
* @index: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
362 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
363 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
364 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
365 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
366 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
367 |
void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
368 |
hb_face_set_index (hb_face_t *face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
369 |
unsigned int index) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
370 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
371 |
if (face->immutable) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
372 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
373 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
374 |
face->index = index; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
375 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
376 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
377 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
378 |
* hb_face_get_index: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
379 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
380 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
381 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
382 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
383 |
* Return value: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
384 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
385 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
386 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
387 |
unsigned int |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
388 |
hb_face_get_index (hb_face_t *face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
389 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
390 |
return face->index; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
391 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
392 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
393 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
394 |
* hb_face_set_upem: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
395 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
396 |
* @upem: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
397 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
398 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
399 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
400 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
401 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
402 |
void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
403 |
hb_face_set_upem (hb_face_t *face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
404 |
unsigned int upem) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
405 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
406 |
if (face->immutable) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
407 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
408 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
409 |
face->upem = upem; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
410 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
411 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
412 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
413 |
* hb_face_get_upem: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
414 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
415 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
416 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
417 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
418 |
* Return value: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
419 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
420 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
421 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
422 |
unsigned int |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
423 |
hb_face_get_upem (hb_face_t *face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
424 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
425 |
return face->get_upem (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
426 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
427 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
428 |
void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
429 |
hb_face_t::load_upem (void) const |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
430 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
431 |
hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
432 |
const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
433 |
upem = head_table->get_upem (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
434 |
hb_blob_destroy (head_blob); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
435 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
436 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
437 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
438 |
* hb_face_set_glyph_count: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
439 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
440 |
* @glyph_count: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
441 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
442 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
443 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
444 |
* Since: 0.9.7 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
445 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
446 |
void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
447 |
hb_face_set_glyph_count (hb_face_t *face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
448 |
unsigned int glyph_count) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
449 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
450 |
if (face->immutable) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
451 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
452 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
453 |
face->num_glyphs = glyph_count; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
454 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
455 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
456 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
457 |
* hb_face_get_glyph_count: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
458 |
* @face: a face. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
459 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
460 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
461 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
462 |
* Return value: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
463 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
464 |
* Since: 0.9.7 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
465 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
466 |
unsigned int |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
467 |
hb_face_get_glyph_count (hb_face_t *face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
468 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
469 |
return face->get_num_glyphs (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
470 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
471 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
472 |
void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
473 |
hb_face_t::load_num_glyphs (void) const |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
474 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
475 |
hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
476 |
const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
477 |
num_glyphs = maxp_table->get_num_glyphs (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
478 |
hb_blob_destroy (maxp_blob); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
479 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
480 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
481 |