2008-01-24 08:11:09 +00:00
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/*
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* Copyright (C) 2007,2008 Red Hat, Inc.
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*
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* This is part of HarfBuzz, an OpenType Layout engine library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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*/
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#ifndef HB_OT_LAYOUT_PRIVATE_H
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#define HB_OT_LAYOUT_PRIVATE_H
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#include "hb-private.h"
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#include "hb-ot-layout.h"
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2008-01-25 00:38:56 +00:00
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/* XXX */
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#include "harfbuzz-buffer.h"
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2009-04-16 02:56:15 +00:00
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typedef unsigned int hb_ot_layout_class_t;
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2008-01-24 08:54:09 +00:00
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2009-05-15 22:54:53 +00:00
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struct _hb_ot_layout_t {
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const struct GDEF *gdef;
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const struct GSUB *gsub;
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2009-05-18 21:09:33 +00:00
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const struct GPOS *gpos;
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2009-05-15 22:54:53 +00:00
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struct {
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unsigned char *klasses;
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unsigned int len;
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} new_gdef;
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2009-05-18 21:09:33 +00:00
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/* TODO full-matrix transformation? */
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2009-05-20 03:25:41 +00:00
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struct gpos_info_t {
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2009-05-18 21:09:33 +00:00
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unsigned int x_ppem, y_ppem;
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hb_16dot16_t x_scale, y_scale;
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hb_bool_t dvi;
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hb_bool_t r2l;
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unsigned int last; /* the last valid glyph--used with cursive positioning */
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hb_position_t anchor_x; /* the coordinates of the anchor point */
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hb_position_t anchor_y; /* of the last valid glyph */
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} gpos_info;
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2009-05-15 22:54:53 +00:00
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};
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2008-01-28 02:19:51 +00:00
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/* XXX #define HB_OT_LAYOUT_INTERNAL static */
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#define HB_OT_LAYOUT_INTERNAL
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2008-01-24 11:03:45 +00:00
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HB_BEGIN_DECLS();
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2008-01-28 02:19:51 +00:00
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/*
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* GDEF
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*/
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HB_OT_LAYOUT_INTERNAL hb_bool_t
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2008-01-28 05:16:49 +00:00
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_hb_ot_layout_has_new_glyph_classes (hb_ot_layout_t *layout);
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2008-01-25 00:38:56 +00:00
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2009-04-16 02:56:15 +00:00
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HB_OT_LAYOUT_INTERNAL unsigned int
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_hb_ot_layout_get_glyph_property (hb_ot_layout_t *layout,
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hb_codepoint_t glyph);
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HB_OT_LAYOUT_INTERNAL void
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_hb_ot_layout_set_glyph_property (hb_ot_layout_t *layout,
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hb_codepoint_t glyph,
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unsigned int property);
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2008-01-25 00:13:50 +00:00
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2008-01-28 02:19:51 +00:00
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HB_OT_LAYOUT_INTERNAL hb_bool_t
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2009-04-16 02:56:15 +00:00
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_hb_ot_layout_check_glyph_property (hb_ot_layout_t *layout,
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HB_GlyphItem gitem,
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unsigned int lookup_flags,
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unsigned int *property);
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2008-01-24 11:03:45 +00:00
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2009-04-16 08:45:30 +00:00
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/* XXX */
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HB_Error
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hb_buffer_ensure( HB_Buffer buffer,
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HB_UInt size );
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2008-01-24 08:11:09 +00:00
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HB_END_DECLS();
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#endif /* HB_OT_LAYOUT_PRIVATE_H */
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