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-rw-r--r--gfx/harfbuzz/src/hb-static.cc112
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+/*
+ * Copyright © 2018 Google, Inc.
+ *
+ * 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.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb.hh"
+
+#include "hb-open-type.hh"
+#include "hb-face.hh"
+
+#include "hb-aat-layout-common.hh"
+#include "hb-aat-layout-feat-table.hh"
+#include "hb-ot-layout-common.hh"
+#include "hb-ot-cmap-table.hh"
+#include "hb-ot-head-table.hh"
+#include "hb-ot-maxp-table.hh"
+
+#ifndef HB_NO_VISIBILITY
+#include "hb-ot-name-language-static.hh"
+
+uint64_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {};
+/*thread_local*/ uint64_t _hb_CrapPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {};
+
+DEFINE_NULL_NAMESPACE_BYTES (OT, Index) = {0xFF,0xFF};
+DEFINE_NULL_NAMESPACE_BYTES (OT, LangSys) = {0x00,0x00, 0xFF,0xFF, 0x00,0x00};
+DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x00,0x01, 0x00,0x00, 0x00, 0x00};
+DEFINE_NULL_NAMESPACE_BYTES (OT, CmapSubtableLongGroup) = {0x00,0x00,0x00,0x01, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00};
+DEFINE_NULL_NAMESPACE_BYTES (AAT, SettingName) = {0xFF,0xFF, 0xFF,0xFF};
+/* Hand-coded because Lookup is a template. Sad. */
+const unsigned char _hb_Null_AAT_Lookup[2] = {0xFF, 0xFF};
+
+
+
+/* hb_face_t */
+
+unsigned int
+hb_face_t::load_num_glyphs () const
+{
+ hb_sanitize_context_t c = hb_sanitize_context_t ();
+ c.set_num_glyphs (0); /* So we don't recurse ad infinitum. */
+ hb_blob_t *maxp_blob = c.reference_table<OT::maxp> (this);
+ const OT::maxp *maxp_table = maxp_blob->as<OT::maxp> ();
+
+ unsigned int ret = maxp_table->get_num_glyphs ();
+ num_glyphs.set_relaxed (ret);
+ hb_blob_destroy (maxp_blob);
+ return ret;
+}
+
+unsigned int
+hb_face_t::load_upem () const
+{
+ unsigned int ret = table.head->get_upem ();
+ upem.set_relaxed (ret);
+ return ret;
+}
+
+
+/* hb_user_data_array_t */
+
+bool
+hb_user_data_array_t::set (hb_user_data_key_t *key,
+ void * data,
+ hb_destroy_func_t destroy,
+ hb_bool_t replace)
+{
+ if (!key)
+ return false;
+
+ if (replace) {
+ if (!data && !destroy) {
+ items.remove (key, lock);
+ return true;
+ }
+ }
+ hb_user_data_item_t item = {key, data, destroy};
+ bool ret = !!items.replace_or_insert (item, lock, (bool) replace);
+
+ return ret;
+}
+
+void *
+hb_user_data_array_t::get (hb_user_data_key_t *key)
+{
+ hb_user_data_item_t item = {nullptr, nullptr, nullptr};
+
+ return items.find (key, &item, lock) ? item.data : nullptr;
+}
+
+
+#endif