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-/*
- * Copyright © 2018 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
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_KHMER_HH
-#define HB_OT_SHAPE_COMPLEX_KHMER_HH
-
-#include "hb.hh"
-
-#include "hb-ot-shape-complex-indic.hh"
-
-
-/* buffer var allocations */
-#define khmer_category() indic_category() /* khmer_category_t */
-
-
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum khmer_category_t
-{
- OT_Robatic = 20,
- OT_Xgroup = 21,
- OT_Ygroup = 22,
- //OT_VAbv = 26,
- //OT_VBlw = 27,
- //OT_VPre = 28,
- //OT_VPst = 29,
-};
-
-using khmer_position_t = indic_position_t;
-
-static inline void
-set_khmer_properties (hb_glyph_info_t &info)
-{
- hb_codepoint_t u = info.codepoint;
- unsigned int type = hb_indic_get_categories (u);
- khmer_category_t cat = (khmer_category_t) (type & 0xFFu);
- khmer_position_t pos = (khmer_position_t) (type >> 8);
-
-
- /*
- * Re-assign category
- *
- * These categories are experimentally extracted from what Uniscribe allows.
- */
- switch (u)
- {
- case 0x179Au:
- cat = (khmer_category_t) OT_Ra;
- break;
-
- case 0x17CCu:
- case 0x17C9u:
- case 0x17CAu:
- cat = OT_Robatic;
- break;
-
- case 0x17C6u:
- case 0x17CBu:
- case 0x17CDu:
- case 0x17CEu:
- case 0x17CFu:
- case 0x17D0u:
- case 0x17D1u:
- cat = OT_Xgroup;
- break;
-
- case 0x17C7u:
- case 0x17C8u:
- case 0x17DDu:
- case 0x17D3u: /* Just guessing. Uniscribe doesn't categorize it. */
- cat = OT_Ygroup;
- break;
- }
-
- /*
- * Re-assign position.
- */
- if (cat == (khmer_category_t) OT_M)
- switch ((int) pos)
- {
- case POS_PRE_C: cat = (khmer_category_t) OT_VPre; break;
- case POS_BELOW_C: cat = (khmer_category_t) OT_VBlw; break;
- case POS_ABOVE_C: cat = (khmer_category_t) OT_VAbv; break;
- case POS_POST_C: cat = (khmer_category_t) OT_VPst; break;
- default: assert (0);
- }
-
- info.khmer_category() = cat;
-}
-
-
-#endif /* HB_OT_SHAPE_COMPLEX_KHMER_HH */