HarfBuzz text shaping engine
http://harfbuzz.github.io/
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98 lines
2.5 KiB
98 lines
2.5 KiB
/* |
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* Copyright © 2007,2008,2009 Red Hat, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping 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_HH |
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#define HB_OT_LAYOUT_PRIVATE_HH |
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#include "hb-private.hh" |
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#include "hb-ot-layout.h" |
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#include "hb-font-private.hh" |
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#include "hb-buffer-private.hh" |
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/* |
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* GDEF |
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*/ |
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/* buffer var allocations */ |
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#define props_cache() var1.u16[1] /* glyph_props cache */ |
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/* XXX cleanup */ |
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typedef enum { |
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HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED = 0x0001, |
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HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH = 0x0002, |
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HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE = 0x0004, |
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HB_OT_LAYOUT_GLYPH_CLASS_MARK = 0x0008, |
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HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT = 0x0010 |
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} hb_ot_layout_glyph_class_t; |
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HB_INTERNAL unsigned int |
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_hb_ot_layout_get_glyph_property (hb_face_t *face, |
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hb_glyph_info_t *info); |
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HB_INTERNAL hb_bool_t |
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_hb_ot_layout_check_glyph_property (hb_face_t *face, |
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hb_glyph_info_t *ginfo, |
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unsigned int lookup_props, |
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unsigned int *property_out); |
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HB_INTERNAL hb_bool_t |
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_hb_ot_layout_skip_mark (hb_face_t *face, |
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hb_glyph_info_t *ginfo, |
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unsigned int lookup_props, |
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unsigned int *property_out); |
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/* |
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* hb_ot_layout_t |
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*/ |
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struct hb_ot_layout_t |
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{ |
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hb_blob_t *gdef_blob; |
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hb_blob_t *gsub_blob; |
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hb_blob_t *gpos_blob; |
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const struct GDEF *gdef; |
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const struct GSUB *gsub; |
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const struct GPOS *gpos; |
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}; |
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HB_INTERNAL hb_ot_layout_t * |
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_hb_ot_layout_create (hb_face_t *face); |
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HB_INTERNAL void |
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_hb_ot_layout_destroy (hb_ot_layout_t *layout); |
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#endif /* HB_OT_LAYOUT_PRIVATE_HH */
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