chromium/third_party/harfbuzz-ng/src/src/hb-ot-shape-fallback.cc

/*
 * Copyright © 2011,2012  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-shape-fallback.hh"
#include "hb-kern.hh"

static unsigned int
recategorize_combining_class (hb_codepoint_t u,
			      unsigned int klass)
{ … }

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


static void
zero_mark_advances (hb_buffer_t *buffer,
		    unsigned int start,
		    unsigned int end,
		    bool adjust_offsets_when_zeroing)
{ … }

static inline void
position_mark (const hb_ot_shape_plan_t *plan HB_UNUSED,
	       hb_font_t *font,
	       hb_buffer_t  *buffer,
	       hb_glyph_extents_t &base_extents,
	       unsigned int i,
	       unsigned int combining_class)
{ … }

static inline void
position_around_base (const hb_ot_shape_plan_t *plan,
		      hb_font_t *font,
		      hb_buffer_t  *buffer,
		      unsigned int base,
		      unsigned int end,
		      bool adjust_offsets_when_zeroing)
{ … }

static inline void
position_cluster (const hb_ot_shape_plan_t *plan,
		  hb_font_t *font,
		  hb_buffer_t  *buffer,
		  unsigned int start,
		  unsigned int end,
		  bool adjust_offsets_when_zeroing)
{ … }

void
_hb_ot_shape_fallback_mark_position (const hb_ot_shape_plan_t *plan,
				     hb_font_t *font,
				     hb_buffer_t  *buffer,
				     bool adjust_offsets_when_zeroing)
{ … }


#ifndef HB_DISABLE_DEPRECATED
struct hb_ot_shape_fallback_kern_driver_t
{ … };
#endif

/* Performs font-assisted kerning. */
void
_hb_ot_shape_fallback_kern (const hb_ot_shape_plan_t *plan,
			    hb_font_t *font,
			    hb_buffer_t *buffer)
{ … }


/* Adjusts width of various spaces. */
void
_hb_ot_shape_fallback_spaces (const hb_ot_shape_plan_t *plan HB_UNUSED,
			      hb_font_t *font,
			      hb_buffer_t  *buffer)
{ … }


#endif