/* * Copyright © 2010,2012 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-ot-shape-complex-private.hh" static bool compose_hebrew (const hb_ot_shape_normalize_context_t *c, hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab) { /* Hebrew presentation-form shaping. * https://bugzilla.mozilla.org/show_bug.cgi?id=728866 * Hebrew presentation forms with dagesh, for characters 0x05D0..0x05EA; * Note that some letters do not have a dagesh presForm encoded. */ static const hb_codepoint_t sDageshForms[0x05EA - 0x05D0 + 1] = { 0xFB30, /* ALEF */ 0xFB31, /* BET */ 0xFB32, /* GIMEL */ 0xFB33, /* DALET */ 0xFB34, /* HE */ 0xFB35, /* VAV */ 0xFB36, /* ZAYIN */ 0x0000, /* HET */ 0xFB38, /* TET */ 0xFB39, /* YOD */ 0xFB3A, /* FINAL KAF */ 0xFB3B, /* KAF */ 0xFB3C, /* LAMED */ 0x0000, /* FINAL MEM */ 0xFB3E, /* MEM */ 0x0000, /* FINAL NUN */ 0xFB40, /* NUN */ 0xFB41, /* SAMEKH */ 0x0000, /* AYIN */ 0xFB43, /* FINAL PE */ 0xFB44, /* PE */ 0x0000, /* FINAL TSADI */ 0xFB46, /* TSADI */ 0xFB47, /* QOF */ 0xFB48, /* RESH */ 0xFB49, /* SHIN */ 0xFB4A /* TAV */ }; bool found = c->unicode->compose (a, b, ab); if (!found && !c->plan->has_mark) { /* Special-case Hebrew presentation forms that are excluded from * standard normalization, but wanted for old fonts. */ switch (b) { case 0x05B4: /* HIRIQ */ if (a == 0x05D9) { /* YOD */ *ab = 0xFB1D; found = true; } break; case 0x05B7: /* patah */ if (a == 0x05F2) { /* YIDDISH YOD YOD */ *ab = 0xFB1F; found = true; } else if (a == 0x05D0) { /* ALEF */ *ab = 0xFB2E; found = true; } break; case 0x05B8: /* QAMATS */ if (a == 0x05D0) { /* ALEF */ *ab = 0xFB2F; found = true; } break; case 0x05B9: /* HOLAM */ if (a == 0x05D5) { /* VAV */ *ab = 0xFB4B; found = true; } break; case 0x05BC: /* DAGESH */ if (a >= 0x05D0 && a <= 0x05EA) { *ab = sDageshForms[a - 0x05D0]; found = (*ab != 0); } else if (a == 0xFB2A) { /* SHIN WITH SHIN DOT */ *ab = 0xFB2C; found = true; } else if (a == 0xFB2B) { /* SHIN WITH SIN DOT */ *ab = 0xFB2D; found = true; } break; case 0x05BF: /* RAFE */ switch (a) { case 0x05D1: /* BET */ *ab = 0xFB4C; found = true; break; case 0x05DB: /* KAF */ *ab = 0xFB4D; found = true; break; case 0x05E4: /* PE */ *ab = 0xFB4E; found = true; break; } break; case 0x05C1: /* SHIN DOT */ if (a == 0x05E9) { /* SHIN */ *ab = 0xFB2A; found = true; } else if (a == 0xFB49) { /* SHIN WITH DAGESH */ *ab = 0xFB2C; found = true; } break; case 0x05C2: /* SIN DOT */ if (a == 0x05E9) { /* SHIN */ *ab = 0xFB2B; found = true; } else if (a == 0xFB49) { /* SHIN WITH DAGESH */ *ab = 0xFB2D; found = true; } break; } } return found; } const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew = { "hebrew", NULL, /* collect_features */ NULL, /* override_features */ NULL, /* data_create */ NULL, /* data_destroy */ NULL, /* preprocess_text */ HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT, NULL, /* decompose */ compose_hebrew, NULL, /* setup_masks */ HB_OT_SHAPE_ZERO_WIDTH_MARKS_DEFAULT, true, /* fallback_position */ };