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-/*
- * 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.hh"
-
-#include "hb-shaper.hh"
-#include "hb-shape-plan.hh"
-#include "hb-buffer.hh"
-#include "hb-font.hh"
-#include "hb-machinery.hh"
-
-
-/**
- * SECTION:hb-shape
- * @title: hb-shape
- * @short_description: Conversion of text strings into positioned glyphs
- * @include: hb.h
- *
- * Shaping is the central operation of HarfBuzz. Shaping operates on buffers,
- * which are sequences of Unicode characters that use the same font and have
- * the same text direction, script, and language. After shaping the buffer
- * contains the output glyphs and their positions.
- **/
-
-
-#if HB_USE_ATEXIT
-static void free_static_shaper_list ();
-#endif
-
-static const char *nil_shaper_list[] = {nullptr};
-
-static struct hb_shaper_list_lazy_loader_t : hb_lazy_loader_t<const char *,
- hb_shaper_list_lazy_loader_t>
-{
- static const char ** create ()
- {
- const char **shaper_list = (const char **) calloc (1 + HB_SHAPERS_COUNT, sizeof (const char *));
- if (unlikely (!shaper_list))
- return nullptr;
-
- const hb_shaper_entry_t *shapers = _hb_shapers_get ();
- unsigned int i;
- for (i = 0; i < HB_SHAPERS_COUNT; i++)
- shaper_list[i] = shapers[i].name;
- shaper_list[i] = nullptr;
-
-#if HB_USE_ATEXIT
- atexit (free_static_shaper_list);
-#endif
-
- return shaper_list;
- }
- static void destroy (const char **l)
- { free (l); }
- static const char ** get_null ()
- { return nil_shaper_list; }
-} static_shaper_list;
-
-#if HB_USE_ATEXIT
-static
-void free_static_shaper_list ()
-{
- static_shaper_list.free_instance ();
-}
-#endif
-
-
-/**
- * hb_shape_list_shapers:
- *
- * Retrieves the list of shapers supported by HarfBuzz.
- *
- * Return value: (transfer none) (array zero-terminated=1): an array of
- * constant strings
- *
- * Since: 0.9.2
- **/
-const char **
-hb_shape_list_shapers ()
-{
- return static_shaper_list.get_unconst ();
-}
-
-
-/**
- * hb_shape_full:
- * @font: an #hb_font_t to use for shaping
- * @buffer: an #hb_buffer_t to shape
- * @features: (array length=num_features) (allow-none): an array of user
- * specified #hb_feature_t or %NULL
- * @num_features: the length of @features array
- * @shaper_list: (array zero-terminated=1) (allow-none): a %NULL-terminated
- * array of shapers to use or %NULL
- *
- * See hb_shape() for details. If @shaper_list is not %NULL, the specified
- * shapers will be used in the given order, otherwise the default shapers list
- * will be used.
- *
- * Return value: false if all shapers failed, true otherwise
- *
- * Since: 0.9.2
- **/
-hb_bool_t
-hb_shape_full (hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features,
- const char * const *shaper_list)
-{
- hb_shape_plan_t *shape_plan = hb_shape_plan_create_cached2 (font->face, &buffer->props,
- features, num_features,
- font->coords, font->num_coords,
- shaper_list);
- hb_bool_t res = hb_shape_plan_execute (shape_plan, font, buffer, features, num_features);
- hb_shape_plan_destroy (shape_plan);
-
- return res;
-}
-
-/**
- * hb_shape:
- * @font: an #hb_font_t to use for shaping
- * @buffer: an #hb_buffer_t to shape
- * @features: (array length=num_features) (allow-none): an array of user
- * specified #hb_feature_t or %NULL
- * @num_features: the length of @features array
- *
- * Shapes @buffer using @font turning its Unicode characters content to
- * positioned glyphs. If @features is not %NULL, it will be used to control the
- * features applied during shaping. If two @features have the same tag but
- * overlapping ranges the value of the feature with the higher index takes
- * precedence.
- *
- * Since: 0.9.2
- **/
-void
-hb_shape (hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features)
-{
- hb_shape_full (font, buffer, features, num_features, nullptr);
-}