--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-face.cc Mon Nov 23 09:58:44 2015 -0800
@@ -0,0 +1,481 @@
+/*
+ * Copyright © 2009 Red Hat, Inc.
+ * Copyright © 2012 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.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-private.hh"
+
+#include "hb-ot-layout-private.hh"
+
+#include "hb-font-private.hh"
+#include "hb-open-file-private.hh"
+#include "hb-ot-head-table.hh"
+#include "hb-ot-maxp-table.hh"
+
+#include "hb-cache-private.hh"
+
+#include <string.h>
+
+
+/*
+ * hb_face_t
+ */
+
+const hb_face_t _hb_face_nil = {
+ HB_OBJECT_HEADER_STATIC,
+
+ true, /* immutable */
+
+ NULL, /* reference_table_func */
+ NULL, /* user_data */
+ NULL, /* destroy */
+
+ 0, /* index */
+ 1000, /* upem */
+ 0, /* num_glyphs */
+
+ {
+#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+ },
+
+ NULL, /* shape_plans */
+};
+
+
+/**
+ * hb_face_create_for_tables:
+ * @reference_table_func: (closure user_data) (destroy destroy) (scope notified):
+ * @user_data:
+ * @destroy:
+ *
+ *
+ *
+ * Return value: (transfer full)
+ *
+ * Since: 0.9.2
+ **/
+hb_face_t *
+hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
+ void *user_data,
+ hb_destroy_func_t destroy)
+{
+ hb_face_t *face;
+
+ if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) {
+ if (destroy)
+ destroy (user_data);
+ return hb_face_get_empty ();
+ }
+
+ face->reference_table_func = reference_table_func;
+ face->user_data = user_data;
+ face->destroy = destroy;
+
+ face->upem = 0;
+ face->num_glyphs = (unsigned int) -1;
+
+ return face;
+}
+
+
+typedef struct hb_face_for_data_closure_t {
+ hb_blob_t *blob;
+ unsigned int index;
+} hb_face_for_data_closure_t;
+
+static hb_face_for_data_closure_t *
+_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index)
+{
+ hb_face_for_data_closure_t *closure;
+
+ closure = (hb_face_for_data_closure_t *) calloc (1, sizeof (hb_face_for_data_closure_t));
+ if (unlikely (!closure))
+ return NULL;
+
+ closure->blob = blob;
+ closure->index = index;
+
+ return closure;
+}
+
+static void
+_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure)
+{
+ hb_blob_destroy (closure->blob);
+ free (closure);
+}
+
+static hb_blob_t *
+_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
+{
+ hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data;
+
+ if (tag == HB_TAG_NONE)
+ return hb_blob_reference (data->blob);
+
+ const OT::OpenTypeFontFile &ot_file = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob);
+ const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index);
+
+ const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag);
+
+ hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length);
+
+ return blob;
+}
+
+/**
+ * hb_face_create: (Xconstructor)
+ * @blob:
+ * @index:
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
+hb_face_t *
+hb_face_create (hb_blob_t *blob,
+ unsigned int index)
+{
+ hb_face_t *face;
+
+ if (unlikely (!blob))
+ blob = hb_blob_get_empty ();
+
+ hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
+
+ if (unlikely (!closure))
+ return hb_face_get_empty ();
+
+ face = hb_face_create_for_tables (_hb_face_for_data_reference_table,
+ closure,
+ (hb_destroy_func_t) _hb_face_for_data_closure_destroy);
+
+ hb_face_set_index (face, index);
+
+ return face;
+}
+
+/**
+ * hb_face_get_empty:
+ *
+ *
+ *
+ * Return value: (transfer full)
+ *
+ * Since: 0.9.2
+ **/
+hb_face_t *
+hb_face_get_empty (void)
+{
+ return const_cast<hb_face_t *> (&_hb_face_nil);
+}
+
+
+/**
+ * hb_face_reference: (skip)
+ * @face: a face.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
+hb_face_t *
+hb_face_reference (hb_face_t *face)
+{
+ return hb_object_reference (face);
+}
+
+/**
+ * hb_face_destroy: (skip)
+ * @face: a face.
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
+void
+hb_face_destroy (hb_face_t *face)
+{
+ if (!hb_object_destroy (face)) return;
+
+ for (hb_face_t::plan_node_t *node = face->shape_plans; node; )
+ {
+ hb_face_t::plan_node_t *next = node->next;
+ hb_shape_plan_destroy (node->shape_plan);
+ free (node);
+ node = next;
+ }
+
+#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face);
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+
+ if (face->destroy)
+ face->destroy (face->user_data);
+
+ free (face);
+}
+
+/**
+ * hb_face_set_user_data: (skip)
+ * @face: a face.
+ * @key:
+ * @data:
+ * @destroy:
+ * @replace:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
+hb_bool_t
+hb_face_set_user_data (hb_face_t *face,
+ hb_user_data_key_t *key,
+ void * data,
+ hb_destroy_func_t destroy,
+ hb_bool_t replace)
+{
+ return hb_object_set_user_data (face, key, data, destroy, replace);
+}
+
+/**
+ * hb_face_get_user_data: (skip)
+ * @face: a face.
+ * @key:
+ *
+ *
+ *
+ * Return value: (transfer none):
+ *
+ * Since: 0.9.2
+ **/
+void *
+hb_face_get_user_data (hb_face_t *face,
+ hb_user_data_key_t *key)
+{
+ return hb_object_get_user_data (face, key);
+}
+
+/**
+ * hb_face_make_immutable:
+ * @face: a face.
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
+void
+hb_face_make_immutable (hb_face_t *face)
+{
+ if (unlikely (hb_object_is_inert (face)))
+ return;
+
+ face->immutable = true;
+}
+
+/**
+ * hb_face_is_immutable:
+ * @face: a face.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
+hb_bool_t
+hb_face_is_immutable (hb_face_t *face)
+{
+ return face->immutable;
+}
+
+
+/**
+ * hb_face_reference_table:
+ * @face: a face.
+ * @tag:
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
+hb_blob_t *
+hb_face_reference_table (hb_face_t *face,
+ hb_tag_t tag)
+{
+ return face->reference_table (tag);
+}
+
+/**
+ * hb_face_reference_blob:
+ * @face: a face.
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
+hb_blob_t *
+hb_face_reference_blob (hb_face_t *face)
+{
+ return face->reference_table (HB_TAG_NONE);
+}
+
+/**
+ * hb_face_set_index:
+ * @face: a face.
+ * @index:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
+void
+hb_face_set_index (hb_face_t *face,
+ unsigned int index)
+{
+ if (face->immutable)
+ return;
+
+ face->index = index;
+}
+
+/**
+ * hb_face_get_index:
+ * @face: a face.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
+unsigned int
+hb_face_get_index (hb_face_t *face)
+{
+ return face->index;
+}
+
+/**
+ * hb_face_set_upem:
+ * @face: a face.
+ * @upem:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
+void
+hb_face_set_upem (hb_face_t *face,
+ unsigned int upem)
+{
+ if (face->immutable)
+ return;
+
+ face->upem = upem;
+}
+
+/**
+ * hb_face_get_upem:
+ * @face: a face.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
+unsigned int
+hb_face_get_upem (hb_face_t *face)
+{
+ return face->get_upem ();
+}
+
+void
+hb_face_t::load_upem (void) const
+{
+ hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head));
+ const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob);
+ upem = head_table->get_upem ();
+ hb_blob_destroy (head_blob);
+}
+
+/**
+ * hb_face_set_glyph_count:
+ * @face: a face.
+ * @glyph_count:
+ *
+ *
+ *
+ * Since: 0.9.7
+ **/
+void
+hb_face_set_glyph_count (hb_face_t *face,
+ unsigned int glyph_count)
+{
+ if (face->immutable)
+ return;
+
+ face->num_glyphs = glyph_count;
+}
+
+/**
+ * hb_face_get_glyph_count:
+ * @face: a face.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.7
+ **/
+unsigned int
+hb_face_get_glyph_count (hb_face_t *face)
+{
+ return face->get_num_glyphs ();
+}
+
+void
+hb_face_t::load_num_glyphs (void) const
+{
+ hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp));
+ const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob);
+ num_glyphs = maxp_table->get_num_glyphs ();
+ hb_blob_destroy (maxp_blob);
+}
+
+