hb-ot-layout-private.hh revision 0ead481a5a8623103565fd7d924666e7342278dd
1fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod/* 26c78683c042250a7b5a6fc6ebae4717b03fadf9eBehdad Esfahbod * Copyright (C) 2007,2008,2009 Red Hat, Inc. 3fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * 4fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * This is part of HarfBuzz, an OpenType Layout engine library. 5fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * 6fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * Permission is hereby granted, without written agreement and without 7fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * license or royalty fees, to use, copy, modify, and distribute this 8fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * software and its documentation for any purpose, provided that the 9fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * above copyright notice and the following two paragraphs appear in 10fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * all copies of this software. 11fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * 12fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * DAMAGE. 17fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * 18fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * 24fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod * Red Hat Author(s): Behdad Esfahbod 25fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod */ 26fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod 27fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod#ifndef HB_OT_LAYOUT_PRIVATE_H 28fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod#define HB_OT_LAYOUT_PRIVATE_H 29fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod 30fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod#include "hb-private.h" 312c80296aa5991ad67483889147f5c84fefe54af2Behdad Esfahbod 32fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod#include "hb-ot-layout.h" 332c80296aa5991ad67483889147f5c84fefe54af2Behdad Esfahbod 340ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod#include "hb-font-private.h" 35f1322e52d557726baa010be8d35a594748e8fa1aBehdad Esfahbod#include "hb-buffer-private.h" 36fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod 376f425b11799aa20dab553085f05744191b7318e2Behdad Esfahbod 3830bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbodtypedef unsigned int hb_ot_layout_class_t; 39ead428d7a0bf4dc84340a99f3959e5cc58123e99Behdad Esfahbod 400ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod/* 410ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod * hb_ot_layout_t 420ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod */ 430ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod 440ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbodtypedef struct _hb_ot_layout_t hb_ot_layout_t; 450ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod 4660d77cf05fddc5304b4b1fc19cdedba15cbee1e9Behdad Esfahbodstruct _hb_ot_layout_t 4760d77cf05fddc5304b4b1fc19cdedba15cbee1e9Behdad Esfahbod{ 48c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod const struct GDEF *gdef; 49c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod const struct GSUB *gsub; 505e5eb0573f7ea2ce2cf037fef0df70a4351e82c0Behdad Esfahbod const struct GPOS *gpos; 51c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod 5260d77cf05fddc5304b4b1fc19cdedba15cbee1e9Behdad Esfahbod struct 5360d77cf05fddc5304b4b1fc19cdedba15cbee1e9Behdad Esfahbod { 54c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod unsigned char *klasses; 55c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod unsigned int len; 56c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod } new_gdef; 570ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod}; 585e5eb0573f7ea2ce2cf037fef0df70a4351e82c0Behdad Esfahbod 590ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbodtypedef struct _hb_ot_layout_context_t hb_ot_layout_context_t; 600ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbodstruct _hb_ot_layout_context_t 610ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod{ 620ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod hb_ot_layout_t *layout; 630ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod hb_font_t *font; 642ebb89d63dd27e800f2b6cbf624924601105f48aBehdad Esfahbod 650ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod union info_t 660ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod { 670ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod struct gpos_t 680ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod { 690ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod unsigned int last; /* the last valid glyph--used with cursive positioning */ 700ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod hb_position_t anchor_x; /* the coordinates of the anchor point */ 710ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod hb_position_t anchor_y; /* of the last valid glyph */ 720ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod } gpos; 730ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod } info; 74c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod}; 75c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod 76c43562b2a7587fa3f9ef4c1c4338e4eda77368b5Behdad Esfahbod 77f96ffd43bce0ac6d9c897933c9be0e51d543e570Behdad EsfahbodHB_BEGIN_DECLS 78aff831ed6787abe8e24a977e34d97ff2e0b7dc21Behdad Esfahbod 7954e5aac5e2947d4e2864c6f2987e4d275da73100Behdad Esfahbod/* 8054e5aac5e2947d4e2864c6f2987e4d275da73100Behdad Esfahbod * GDEF 8154e5aac5e2947d4e2864c6f2987e4d275da73100Behdad Esfahbod */ 8254e5aac5e2947d4e2864c6f2987e4d275da73100Behdad Esfahbod 83347f0b8621d3adfec157e5634ff3defc818ea37fBehdad EsfahbodHB_INTERNAL hb_bool_t 84e50c3978d37b2c0d6ddd4ced6a6196f6857cd596Behdad Esfahbod_hb_ot_layout_has_new_glyph_classes (hb_ot_layout_t *layout); 856f425b11799aa20dab553085f05744191b7318e2Behdad Esfahbod 86347f0b8621d3adfec157e5634ff3defc818ea37fBehdad EsfahbodHB_INTERNAL unsigned int 8730bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbod_hb_ot_layout_get_glyph_property (hb_ot_layout_t *layout, 8830bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbod hb_codepoint_t glyph); 8930bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbod 90347f0b8621d3adfec157e5634ff3defc818ea37fBehdad EsfahbodHB_INTERNAL void 9130bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbod_hb_ot_layout_set_glyph_property (hb_ot_layout_t *layout, 9230bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbod hb_codepoint_t glyph, 9330bd763fa2fa4aceee51433ec9fc8dc28480b5d7Behdad Esfahbod unsigned int property); 94590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 950ead481a5a8623103565fd7d924666e7342278ddBehdad EsfahbodHB_INTERNAL void 960ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod_hb_ot_layout_set_glyph_class (hb_ot_layout_t *layout, 970ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod hb_codepoint_t glyph, 980ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod hb_ot_layout_glyph_class_t klass); 990ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod 100347f0b8621d3adfec157e5634ff3defc818ea37fBehdad EsfahbodHB_INTERNAL hb_bool_t 101c968fc2dc87cf85b53f60a40db59d5ee7b992edfBehdad Esfahbod_hb_ot_layout_check_glyph_property (hb_ot_layout_t *layout, 102f1322e52d557726baa010be8d35a594748e8fa1aBehdad Esfahbod hb_internal_glyph_info_t *ginfo, 103c968fc2dc87cf85b53f60a40db59d5ee7b992edfBehdad Esfahbod unsigned int lookup_flags, 104c968fc2dc87cf85b53f60a40db59d5ee7b992edfBehdad Esfahbod unsigned int *property); 1055a0b791184cf6ef39eae0570e14aca21abc32845Behdad Esfahbod 1064189b92aaa41e4a1756c561cc6e08b0ed024afdaBehdad EsfahbodHB_INTERNAL hb_bool_t 1074189b92aaa41e4a1756c561cc6e08b0ed024afdaBehdad Esfahbod_hb_ot_layout_skip_mark (hb_ot_layout_t *layout, 108f1322e52d557726baa010be8d35a594748e8fa1aBehdad Esfahbod hb_internal_glyph_info_t *ginfo, 1094189b92aaa41e4a1756c561cc6e08b0ed024afdaBehdad Esfahbod unsigned int lookup_flags, 1104189b92aaa41e4a1756c561cc6e08b0ed024afdaBehdad Esfahbod unsigned int *property); 1114189b92aaa41e4a1756c561cc6e08b0ed024afdaBehdad Esfahbod 112f96ffd43bce0ac6d9c897933c9be0e51d543e570Behdad EsfahbodHB_END_DECLS 113fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod 114fd92a3dde32fd10df30c9eeb97641bc3c15b1e9bBehdad Esfahbod#endif /* HB_OT_LAYOUT_PRIVATE_H */ 115