godot/thirdparty/harfbuzz/src/hb-ot-shaper-thai.cc

/*
 * Copyright © 2010,2012  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.
 *
 * Google Author(s): Behdad Esfahbod
 */

#include "hb.hh"

#ifndef HB_NO_OT_SHAPE

#include "hb-ot-shaper.hh"


/* Thai / Lao shaper */


/* PUA shaping */


enum thai_consonant_type_t
{ … };

static thai_consonant_type_t
get_consonant_type (hb_codepoint_t u)
{ … }


enum thai_mark_type_t
{ … };

static thai_mark_type_t
get_mark_type (hb_codepoint_t u)
{ … }


enum thai_action_t
{ … };

static hb_codepoint_t
thai_pua_shape (hb_codepoint_t u, thai_action_t action, hb_font_t *font)
{ … }


static enum thai_above_state_t
{ … } thai_above_start_state[NUM_CONSONANT_TYPES + 1/* For NOT_CONSONANT */] = …;

static const struct thai_above_state_machine_edge_t { … } thai_above_state_machine[NUM_ABOVE_STATES][NUM_MARK_TYPES] = …;


static enum thai_below_state_t
{ … } thai_below_start_state[NUM_CONSONANT_TYPES + 1/* For NOT_CONSONANT */] = …;

static const struct thai_below_state_machine_edge_t { … } thai_below_state_machine[NUM_BELOW_STATES][NUM_MARK_TYPES] = …;


static void
do_thai_pua_shaping (const hb_ot_shape_plan_t *plan HB_UNUSED,
		     hb_buffer_t              *buffer,
		     hb_font_t                *font)
{ … }


static void
preprocess_text_thai (const hb_ot_shape_plan_t *plan,
		      hb_buffer_t              *buffer,
		      hb_font_t                *font)
{ … }

const hb_ot_shaper_t _hb_ot_shaper_thai = …;


#endif