| File: | root/firefox-clang/gfx/cairo/cairo/src/cairo-toy-font-face.c |
| Warning: | line 317, column 2 Value stored to 'status' is never read |
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| 1 | /* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ |
| 2 | /* cairo - a vector graphics library with display and print output |
| 3 | * |
| 4 | * Copyright © 2002 University of Southern California |
| 5 | * Copyright © 2005,2008 Red Hat Inc. |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it either under the terms of the GNU Lesser General Public |
| 9 | * License version 2.1 as published by the Free Software Foundation |
| 10 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
| 11 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
| 12 | * notice, a recipient may use your version of this file under either |
| 13 | * the MPL or the LGPL. |
| 14 | * |
| 15 | * You should have received a copy of the LGPL along with this library |
| 16 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
| 18 | * You should have received a copy of the MPL along with this library |
| 19 | * in the file COPYING-MPL-1.1 |
| 20 | * |
| 21 | * The contents of this file are subject to the Mozilla Public License |
| 22 | * Version 1.1 (the "License"); you may not use this file except in |
| 23 | * compliance with the License. You may obtain a copy of the License at |
| 24 | * http://www.mozilla.org/MPL/ |
| 25 | * |
| 26 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
| 27 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
| 28 | * the specific language governing rights and limitations. |
| 29 | * |
| 30 | * The Original Code is the cairo graphics library. |
| 31 | * |
| 32 | * The Initial Developer of the Original Code is University of Southern |
| 33 | * California. |
| 34 | * |
| 35 | * Contributor(s): |
| 36 | * Carl D. Worth <cworth@cworth.org> |
| 37 | * Graydon Hoare <graydon@redhat.com> |
| 38 | * Owen Taylor <otaylor@redhat.com> |
| 39 | * Behdad Esfahbod <behdad@behdad.org> |
| 40 | */ |
| 41 | |
| 42 | #define _DEFAULT_SOURCE1 /* for strdup() */ |
| 43 | #include "cairoint.h" |
| 44 | #include "cairo-error-private.h" |
| 45 | |
| 46 | |
| 47 | static const cairo_font_face_t _cairo_font_face_null_pointer = { |
| 48 | { 0 }, /* hash_entry */ |
| 49 | CAIRO_STATUS_NULL_POINTER, /* status */ |
| 50 | CAIRO_REFERENCE_COUNT_INVALID{((cairo_atomic_int_t) -1)}, /* ref_count */ |
| 51 | { 0, 0, 0, NULL((void*)0) }, /* user_data */ |
| 52 | NULL((void*)0) |
| 53 | }; |
| 54 | |
| 55 | static const cairo_font_face_t _cairo_font_face_invalid_string = { |
| 56 | { 0 }, /* hash_entry */ |
| 57 | CAIRO_STATUS_INVALID_STRING, /* status */ |
| 58 | CAIRO_REFERENCE_COUNT_INVALID{((cairo_atomic_int_t) -1)}, /* ref_count */ |
| 59 | { 0, 0, 0, NULL((void*)0) }, /* user_data */ |
| 60 | NULL((void*)0) |
| 61 | }; |
| 62 | |
| 63 | static const cairo_font_face_t _cairo_font_face_invalid_slant = { |
| 64 | { 0 }, /* hash_entry */ |
| 65 | CAIRO_STATUS_INVALID_SLANT, /* status */ |
| 66 | CAIRO_REFERENCE_COUNT_INVALID{((cairo_atomic_int_t) -1)}, /* ref_count */ |
| 67 | { 0, 0, 0, NULL((void*)0) }, /* user_data */ |
| 68 | NULL((void*)0) |
| 69 | }; |
| 70 | |
| 71 | static const cairo_font_face_t _cairo_font_face_invalid_weight = { |
| 72 | { 0 }, /* hash_entry */ |
| 73 | CAIRO_STATUS_INVALID_WEIGHT, /* status */ |
| 74 | CAIRO_REFERENCE_COUNT_INVALID{((cairo_atomic_int_t) -1)}, /* ref_count */ |
| 75 | { 0, 0, 0, NULL((void*)0) }, /* user_data */ |
| 76 | NULL((void*)0) |
| 77 | }; |
| 78 | |
| 79 | |
| 80 | static const cairo_font_face_backend_t _cairo_toy_font_face_backend; |
| 81 | |
| 82 | static int |
| 83 | _cairo_toy_font_face_keys_equal (const void *key_a, |
| 84 | const void *key_b); |
| 85 | |
| 86 | /* We maintain a hash table from family/weight/slant => |
| 87 | * #cairo_font_face_t for #cairo_toy_font_t. The primary purpose of |
| 88 | * this mapping is to provide unique #cairo_font_face_t values so that |
| 89 | * our cache and mapping from #cairo_font_face_t => #cairo_scaled_font_t |
| 90 | * works. Once the corresponding #cairo_font_face_t objects fall out of |
| 91 | * downstream caches, we don't need them in this hash table anymore. |
| 92 | * |
| 93 | * Modifications to this hash table are protected by |
| 94 | * _cairo_toy_font_face_mutex. |
| 95 | */ |
| 96 | static cairo_hash_table_t *cairo_toy_font_face_hash_table = NULL((void*)0); |
| 97 | |
| 98 | static cairo_hash_table_t * |
| 99 | _cairo_toy_font_face_hash_table_lock (void) |
| 100 | { |
| 101 | CAIRO_MUTEX_LOCK (_cairo_toy_font_face_mutex)pthread_mutex_lock (&(_cairo_toy_font_face_mutex)); |
| 102 | |
| 103 | if (cairo_toy_font_face_hash_table == NULL((void*)0)) |
| 104 | { |
| 105 | cairo_toy_font_face_hash_table = |
| 106 | _cairo_hash_table_create (_cairo_toy_font_face_keys_equal); |
| 107 | |
| 108 | if (cairo_toy_font_face_hash_table == NULL((void*)0)) { |
| 109 | CAIRO_MUTEX_UNLOCK (_cairo_toy_font_face_mutex)pthread_mutex_unlock (&(_cairo_toy_font_face_mutex)); |
| 110 | return NULL((void*)0); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | return cairo_toy_font_face_hash_table; |
| 115 | } |
| 116 | |
| 117 | static void |
| 118 | _cairo_toy_font_face_hash_table_unlock (void) |
| 119 | { |
| 120 | CAIRO_MUTEX_UNLOCK (_cairo_toy_font_face_mutex)pthread_mutex_unlock (&(_cairo_toy_font_face_mutex)); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * _cairo_toy_font_face_init_key: |
| 125 | * |
| 126 | * Initialize those portions of #cairo_toy_font_face_t needed to use |
| 127 | * it as a hash table key, including the hash code buried away in |
| 128 | * font_face->base.hash_entry. No memory allocation is performed here |
| 129 | * so that no fini call is needed. We do this to make it easier to use |
| 130 | * an automatic #cairo_toy_font_face_t variable as a key. |
| 131 | **/ |
| 132 | static void |
| 133 | _cairo_toy_font_face_init_key (cairo_toy_font_face_t *key, |
| 134 | const char *family, |
| 135 | cairo_font_slant_t slant, |
| 136 | cairo_font_weight_t weight) |
| 137 | { |
| 138 | uintptr_t hash; |
| 139 | |
| 140 | key->family = family; |
| 141 | key->owns_family = FALSE0; |
| 142 | |
| 143 | key->slant = slant; |
| 144 | key->weight = weight; |
| 145 | |
| 146 | /* 1607 and 1451 are just a couple of arbitrary primes. */ |
| 147 | hash = _cairo_hash_string (family); |
| 148 | hash += ((uintptr_t) slant) * 1607; |
| 149 | hash += ((uintptr_t) weight) * 1451; |
| 150 | |
| 151 | key->base.hash_entry.hash = hash; |
| 152 | } |
| 153 | |
| 154 | static cairo_status_t |
| 155 | _cairo_toy_font_face_create_impl_face (cairo_toy_font_face_t *font_face, |
| 156 | cairo_font_face_t **impl_font_face) |
| 157 | { |
| 158 | const cairo_font_face_backend_t * backend = CAIRO_FONT_FACE_BACKEND_DEFAULT&_cairo_ft_font_face_backend; |
| 159 | cairo_int_status_t status = CAIRO_INT_STATUS_UNSUPPORTED; |
| 160 | |
| 161 | if (unlikely (font_face->base.status)(__builtin_expect (!!(font_face->base.status), 0))) |
| 162 | return font_face->base.status; |
| 163 | |
| 164 | if (backend->create_for_toy != NULL((void*)0) && |
| 165 | 0 != strncmp (font_face->family, CAIRO_USER_FONT_FAMILY_DEFAULT"@cairo:", |
| 166 | strlen (CAIRO_USER_FONT_FAMILY_DEFAULT"@cairo:"))) |
| 167 | { |
| 168 | status = backend->create_for_toy (font_face, impl_font_face); |
| 169 | } |
| 170 | |
| 171 | if (status == CAIRO_INT_STATUS_UNSUPPORTED) { |
| 172 | backend = &_cairo_user_font_face_backend; |
| 173 | status = backend->create_for_toy (font_face, impl_font_face); |
| 174 | } |
| 175 | |
| 176 | return status; |
| 177 | } |
| 178 | |
| 179 | static cairo_status_t |
| 180 | _cairo_toy_font_face_init (cairo_toy_font_face_t *font_face, |
| 181 | const char *family, |
| 182 | cairo_font_slant_t slant, |
| 183 | cairo_font_weight_t weight) |
| 184 | { |
| 185 | char *family_copy; |
| 186 | cairo_status_t status; |
| 187 | |
| 188 | family_copy = strdup (family); |
| 189 | if (unlikely (family_copy == NULL)(__builtin_expect (!!(family_copy == ((void*)0)), 0))) |
| 190 | return _cairo_error (CAIRO_STATUS_NO_MEMORY); |
| 191 | |
| 192 | _cairo_toy_font_face_init_key (font_face, family_copy, slant, weight); |
| 193 | font_face->owns_family = TRUE1; |
| 194 | |
| 195 | _cairo_font_face_init (&font_face->base, &_cairo_toy_font_face_backend); |
| 196 | |
| 197 | status = _cairo_toy_font_face_create_impl_face (font_face, |
| 198 | &font_face->impl_face); |
| 199 | if (unlikely (status)(__builtin_expect (!!(status), 0))) { |
| 200 | free (family_copy); |
| 201 | return status; |
| 202 | } |
| 203 | |
| 204 | return CAIRO_STATUS_SUCCESS; |
| 205 | } |
| 206 | |
| 207 | static void |
| 208 | _cairo_toy_font_face_fini (cairo_toy_font_face_t *font_face) |
| 209 | { |
| 210 | /* We assert here that we own font_face->family before casting |
| 211 | * away the const qualifier. */ |
| 212 | assert (font_face->owns_family)((void) sizeof ((font_face->owns_family) ? 1 : 0), __extension__ ({ if (font_face->owns_family) ; else __assert_fail ("font_face->owns_family" , "/root/firefox-clang/gfx/cairo/cairo/src/cairo-toy-font-face.c" , 212, __extension__ __PRETTY_FUNCTION__); })); |
| 213 | free ((char*) font_face->family); |
| 214 | |
| 215 | if (font_face->impl_face) |
| 216 | cairo_font_face_destroy_moz_cairo_font_face_destroy (font_face->impl_face); |
| 217 | } |
| 218 | |
| 219 | static int |
| 220 | _cairo_toy_font_face_keys_equal (const void *key_a, |
| 221 | const void *key_b) |
| 222 | { |
| 223 | const cairo_toy_font_face_t *face_a = key_a; |
| 224 | const cairo_toy_font_face_t *face_b = key_b; |
| 225 | |
| 226 | return (strcmp (face_a->family, face_b->family) == 0 && |
| 227 | face_a->slant == face_b->slant && |
| 228 | face_a->weight == face_b->weight); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * cairo_toy_font_face_create: |
| 233 | * @family: a font family name, encoded in UTF-8 |
| 234 | * @slant: the slant for the font |
| 235 | * @weight: the weight for the font |
| 236 | * |
| 237 | * Creates a font face from a triplet of family, slant, and weight. |
| 238 | * These font faces are used in implementation of the #cairo_t "toy" |
| 239 | * font API. |
| 240 | * |
| 241 | * If @family is the zero-length string "", the platform-specific default |
| 242 | * family is assumed. The default family then can be queried using |
| 243 | * cairo_toy_font_face_get_family(). |
| 244 | * |
| 245 | * The cairo_select_font_face() function uses this to create font faces. |
| 246 | * See that function for limitations and other details of toy font faces. |
| 247 | * |
| 248 | * Return value: a newly created #cairo_font_face_t. Free with |
| 249 | * cairo_font_face_destroy() when you are done using it. |
| 250 | * |
| 251 | * Since: 1.8 |
| 252 | **/ |
| 253 | cairo_font_face_t * |
| 254 | cairo_toy_font_face_create_moz_cairo_toy_font_face_create (const char *family, |
| 255 | cairo_font_slant_t slant, |
| 256 | cairo_font_weight_t weight) |
| 257 | { |
| 258 | cairo_status_t status; |
| 259 | cairo_toy_font_face_t key, *font_face; |
| 260 | cairo_hash_table_t *hash_table; |
| 261 | |
| 262 | if (family == NULL((void*)0)) |
| 263 | return (cairo_font_face_t*) &_cairo_font_face_null_pointer; |
| 264 | |
| 265 | /* Make sure we've got valid UTF-8 for the family */ |
| 266 | status = _cairo_utf8_to_ucs4 (family, -1, NULL((void*)0), NULL((void*)0)); |
| 267 | if (unlikely (status)(__builtin_expect (!!(status), 0))) { |
| 268 | if (status == CAIRO_STATUS_INVALID_STRING) |
| 269 | return (cairo_font_face_t*) &_cairo_font_face_invalid_string; |
| 270 | |
| 271 | return (cairo_font_face_t*) &_cairo_font_face_nil; |
| 272 | } |
| 273 | |
| 274 | switch (slant) { |
| 275 | case CAIRO_FONT_SLANT_NORMAL: |
| 276 | case CAIRO_FONT_SLANT_ITALIC: |
| 277 | case CAIRO_FONT_SLANT_OBLIQUE: |
| 278 | break; |
| 279 | default: |
| 280 | return (cairo_font_face_t*) &_cairo_font_face_invalid_slant; |
| 281 | } |
| 282 | |
| 283 | switch (weight) { |
| 284 | case CAIRO_FONT_WEIGHT_NORMAL: |
| 285 | case CAIRO_FONT_WEIGHT_BOLD: |
| 286 | break; |
| 287 | default: |
| 288 | return (cairo_font_face_t*) &_cairo_font_face_invalid_weight; |
| 289 | } |
| 290 | |
| 291 | if (*family == '\0') |
| 292 | family = CAIRO_FONT_FAMILY_DEFAULT""; |
| 293 | |
| 294 | hash_table = _cairo_toy_font_face_hash_table_lock (); |
| 295 | if (unlikely (hash_table == NULL)(__builtin_expect (!!(hash_table == ((void*)0)), 0))) |
| 296 | goto UNWIND; |
| 297 | |
| 298 | _cairo_toy_font_face_init_key (&key, family, slant, weight); |
| 299 | |
| 300 | /* Return existing font_face if it exists in the hash table. */ |
| 301 | font_face = _cairo_hash_table_lookup (hash_table, |
| 302 | &key.base.hash_entry); |
| 303 | if (font_face != NULL((void*)0)) { |
| 304 | if (font_face->base.status == CAIRO_STATUS_SUCCESS) { |
| 305 | cairo_font_face_reference_moz_cairo_font_face_reference (&font_face->base); |
| 306 | _cairo_toy_font_face_hash_table_unlock (); |
| 307 | return &font_face->base; |
| 308 | } |
| 309 | |
| 310 | /* remove the bad font from the hash table */ |
| 311 | _cairo_hash_table_remove (hash_table, &font_face->base.hash_entry); |
| 312 | } |
| 313 | |
| 314 | /* Otherwise create it and insert into hash table. */ |
| 315 | font_face = _cairo_malloc (sizeof (cairo_toy_font_face_t))((sizeof (cairo_toy_font_face_t)) != 0 ? malloc(sizeof (cairo_toy_font_face_t )) : ((void*)0)); |
| 316 | if (unlikely (font_face == NULL)(__builtin_expect (!!(font_face == ((void*)0)), 0))) { |
| 317 | status = _cairo_error (CAIRO_STATUS_NO_MEMORY); |
Value stored to 'status' is never read | |
| 318 | goto UNWIND_HASH_TABLE_LOCK; |
| 319 | } |
| 320 | |
| 321 | status = _cairo_toy_font_face_init (font_face, family, slant, weight); |
| 322 | if (unlikely (status)(__builtin_expect (!!(status), 0))) |
| 323 | goto UNWIND_FONT_FACE_MALLOC; |
| 324 | |
| 325 | assert (font_face->base.hash_entry.hash == key.base.hash_entry.hash)((void) sizeof ((font_face->base.hash_entry.hash == key.base .hash_entry.hash) ? 1 : 0), __extension__ ({ if (font_face-> base.hash_entry.hash == key.base.hash_entry.hash) ; else __assert_fail ("font_face->base.hash_entry.hash == key.base.hash_entry.hash" , "/root/firefox-clang/gfx/cairo/cairo/src/cairo-toy-font-face.c" , 325, __extension__ __PRETTY_FUNCTION__); })); |
| 326 | status = _cairo_hash_table_insert (hash_table, &font_face->base.hash_entry); |
| 327 | if (unlikely (status)(__builtin_expect (!!(status), 0))) |
| 328 | goto UNWIND_FONT_FACE_INIT; |
| 329 | |
| 330 | _cairo_toy_font_face_hash_table_unlock (); |
| 331 | |
| 332 | return &font_face->base; |
| 333 | |
| 334 | UNWIND_FONT_FACE_INIT: |
| 335 | _cairo_toy_font_face_fini (font_face); |
| 336 | UNWIND_FONT_FACE_MALLOC: |
| 337 | free (font_face); |
| 338 | UNWIND_HASH_TABLE_LOCK: |
| 339 | _cairo_toy_font_face_hash_table_unlock (); |
| 340 | UNWIND: |
| 341 | return (cairo_font_face_t*) &_cairo_font_face_nil; |
| 342 | } |
| 343 | |
| 344 | static cairo_bool_t |
| 345 | _cairo_toy_font_face_destroy (void *abstract_face) |
| 346 | { |
| 347 | cairo_toy_font_face_t *font_face = abstract_face; |
| 348 | cairo_hash_table_t *hash_table; |
| 349 | |
| 350 | hash_table = _cairo_toy_font_face_hash_table_lock (); |
| 351 | /* All created objects must have been mapped in the hash table. */ |
| 352 | assert (hash_table != NULL)((void) sizeof ((hash_table != ((void*)0)) ? 1 : 0), __extension__ ({ if (hash_table != ((void*)0)) ; else __assert_fail ("hash_table != NULL" , "/root/firefox-clang/gfx/cairo/cairo/src/cairo-toy-font-face.c" , 352, __extension__ __PRETTY_FUNCTION__); })); |
| 353 | |
| 354 | if (! _cairo_reference_count_dec_and_test (&font_face->base.ref_count)(__atomic_fetch_sub(&(&font_face->base.ref_count)-> ref_count, 1, 5) == 1)) { |
| 355 | /* somebody recreated the font whilst we waited for the lock */ |
| 356 | _cairo_toy_font_face_hash_table_unlock (); |
| 357 | return FALSE0; |
| 358 | } |
| 359 | |
| 360 | /* Font faces in SUCCESS status are guaranteed to be in the |
| 361 | * hashtable. Font faces in an error status are removed from the |
| 362 | * hashtable if they are found during a lookup, thus they should |
| 363 | * only be removed if they are in the hashtable. */ |
| 364 | if (likely (font_face->base.status == CAIRO_STATUS_SUCCESS)(__builtin_expect (!!(font_face->base.status == CAIRO_STATUS_SUCCESS ), 1)) || |
| 365 | _cairo_hash_table_lookup (hash_table, &font_face->base.hash_entry) == font_face) |
| 366 | _cairo_hash_table_remove (hash_table, &font_face->base.hash_entry); |
| 367 | |
| 368 | _cairo_toy_font_face_hash_table_unlock (); |
| 369 | |
| 370 | _cairo_toy_font_face_fini (font_face); |
| 371 | return TRUE1; |
| 372 | } |
| 373 | |
| 374 | static cairo_status_t |
| 375 | _cairo_toy_font_face_scaled_font_create (void *abstract_font_face, |
| 376 | const cairo_matrix_t *font_matrix, |
| 377 | const cairo_matrix_t *ctm, |
| 378 | const cairo_font_options_t *options, |
| 379 | cairo_scaled_font_t **scaled_font) |
| 380 | { |
| 381 | cairo_toy_font_face_t *font_face = (cairo_toy_font_face_t *) abstract_font_face; |
| 382 | |
| 383 | ASSERT_NOT_REACHEDdo { ((void) sizeof ((!"reached") ? 1 : 0), __extension__ ({ if (!"reached") ; else __assert_fail ("!\"reached\"", "/root/firefox-clang/gfx/cairo/cairo/src/cairo-toy-font-face.c" , 383, __extension__ __PRETTY_FUNCTION__); })); } while (0); |
| 384 | |
| 385 | return _cairo_font_face_set_error (&font_face->base, CAIRO_STATUS_FONT_TYPE_MISMATCH); |
| 386 | } |
| 387 | |
| 388 | static cairo_font_face_t * |
| 389 | _cairo_toy_font_face_get_implementation (void *abstract_font_face, |
| 390 | const cairo_matrix_t *font_matrix, |
| 391 | const cairo_matrix_t *ctm, |
| 392 | const cairo_font_options_t *options) |
| 393 | { |
| 394 | cairo_toy_font_face_t *font_face = abstract_font_face; |
| 395 | |
| 396 | if (font_face->impl_face) { |
| 397 | cairo_font_face_t *impl = font_face->impl_face; |
| 398 | |
| 399 | if (impl->backend->get_implementation != NULL((void*)0)) { |
| 400 | return impl->backend->get_implementation (impl, |
| 401 | font_matrix, |
| 402 | ctm, |
| 403 | options); |
| 404 | } |
| 405 | |
| 406 | return cairo_font_face_reference_moz_cairo_font_face_reference (impl); |
| 407 | } |
| 408 | |
| 409 | return abstract_font_face; |
| 410 | } |
| 411 | |
| 412 | static cairo_bool_t |
| 413 | _cairo_font_face_is_toy (cairo_font_face_t *font_face) |
| 414 | { |
| 415 | return font_face->backend == &_cairo_toy_font_face_backend; |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * cairo_toy_font_face_get_family: |
| 420 | * @font_face: A toy font face |
| 421 | * |
| 422 | * Gets the family name of a toy font. |
| 423 | * |
| 424 | * Return value: The family name. This string is owned by the font face |
| 425 | * and remains valid as long as the font face is alive (referenced). |
| 426 | * |
| 427 | * Since: 1.8 |
| 428 | **/ |
| 429 | const char * |
| 430 | cairo_toy_font_face_get_family_moz_cairo_toy_font_face_get_family (cairo_font_face_t *font_face) |
| 431 | { |
| 432 | cairo_toy_font_face_t *toy_font_face; |
| 433 | |
| 434 | if (font_face->status) |
| 435 | return CAIRO_FONT_FAMILY_DEFAULT""; |
| 436 | |
| 437 | toy_font_face = (cairo_toy_font_face_t *) font_face; |
| 438 | if (! _cairo_font_face_is_toy (font_face)) { |
| 439 | if (_cairo_font_face_set_error (font_face, CAIRO_STATUS_FONT_TYPE_MISMATCH)) |
| 440 | return CAIRO_FONT_FAMILY_DEFAULT""; |
| 441 | } |
| 442 | assert (toy_font_face->owns_family)((void) sizeof ((toy_font_face->owns_family) ? 1 : 0), __extension__ ({ if (toy_font_face->owns_family) ; else __assert_fail ( "toy_font_face->owns_family", "/root/firefox-clang/gfx/cairo/cairo/src/cairo-toy-font-face.c" , 442, __extension__ __PRETTY_FUNCTION__); })); |
| 443 | return toy_font_face->family; |
| 444 | } |
| 445 | |
| 446 | /** |
| 447 | * cairo_toy_font_face_get_slant: |
| 448 | * @font_face: A toy font face |
| 449 | * |
| 450 | * Gets the slant a toy font. |
| 451 | * |
| 452 | * Return value: The slant value |
| 453 | * |
| 454 | * Since: 1.8 |
| 455 | **/ |
| 456 | cairo_font_slant_t |
| 457 | cairo_toy_font_face_get_slant_moz_cairo_toy_font_face_get_slant (cairo_font_face_t *font_face) |
| 458 | { |
| 459 | cairo_toy_font_face_t *toy_font_face; |
| 460 | |
| 461 | if (font_face->status) |
| 462 | return CAIRO_FONT_SLANT_DEFAULTCAIRO_FONT_SLANT_NORMAL; |
| 463 | |
| 464 | toy_font_face = (cairo_toy_font_face_t *) font_face; |
| 465 | if (! _cairo_font_face_is_toy (font_face)) { |
| 466 | if (_cairo_font_face_set_error (font_face, CAIRO_STATUS_FONT_TYPE_MISMATCH)) |
| 467 | return CAIRO_FONT_SLANT_DEFAULTCAIRO_FONT_SLANT_NORMAL; |
| 468 | } |
| 469 | return toy_font_face->slant; |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * cairo_toy_font_face_get_weight: |
| 474 | * @font_face: A toy font face |
| 475 | * |
| 476 | * Gets the weight a toy font. |
| 477 | * |
| 478 | * Return value: The weight value |
| 479 | * |
| 480 | * Since: 1.8 |
| 481 | **/ |
| 482 | cairo_font_weight_t |
| 483 | cairo_toy_font_face_get_weight_moz_cairo_toy_font_face_get_weight (cairo_font_face_t *font_face) |
| 484 | { |
| 485 | cairo_toy_font_face_t *toy_font_face; |
| 486 | |
| 487 | if (font_face->status) |
| 488 | return CAIRO_FONT_WEIGHT_DEFAULTCAIRO_FONT_WEIGHT_NORMAL; |
| 489 | |
| 490 | toy_font_face = (cairo_toy_font_face_t *) font_face; |
| 491 | if (! _cairo_font_face_is_toy (font_face)) { |
| 492 | if (_cairo_font_face_set_error (font_face, CAIRO_STATUS_FONT_TYPE_MISMATCH)) |
| 493 | return CAIRO_FONT_WEIGHT_DEFAULTCAIRO_FONT_WEIGHT_NORMAL; |
| 494 | } |
| 495 | return toy_font_face->weight; |
| 496 | } |
| 497 | |
| 498 | static const cairo_font_face_backend_t _cairo_toy_font_face_backend = { |
| 499 | CAIRO_FONT_TYPE_TOY, |
| 500 | NULL((void*)0), /* create_for_toy */ |
| 501 | _cairo_toy_font_face_destroy, |
| 502 | _cairo_toy_font_face_scaled_font_create, |
| 503 | _cairo_toy_font_face_get_implementation |
| 504 | }; |
| 505 | |
| 506 | void |
| 507 | _cairo_toy_font_face_reset_static_data (void) |
| 508 | { |
| 509 | cairo_hash_table_t *hash_table; |
| 510 | |
| 511 | /* We manually acquire the lock rather than calling |
| 512 | * cairo_toy_font_face_hash_table_lock simply to avoid |
| 513 | * creating the table only to destroy it again. */ |
| 514 | CAIRO_MUTEX_LOCK (_cairo_toy_font_face_mutex)pthread_mutex_lock (&(_cairo_toy_font_face_mutex)); |
| 515 | hash_table = cairo_toy_font_face_hash_table; |
| 516 | cairo_toy_font_face_hash_table = NULL((void*)0); |
| 517 | CAIRO_MUTEX_UNLOCK (_cairo_toy_font_face_mutex)pthread_mutex_unlock (&(_cairo_toy_font_face_mutex)); |
| 518 | |
| 519 | if (hash_table != NULL((void*)0)) |
| 520 | _cairo_hash_table_destroy (hash_table); |
| 521 | } |