gfx/harfbuzz/src/hb-ot-shape-normalize-private.hh

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0 1 /*
michael@0 2 * Copyright © 2012 Google, Inc.
michael@0 3 *
michael@0 4 * This is part of HarfBuzz, a text shaping library.
michael@0 5 *
michael@0 6 * Permission is hereby granted, without written agreement and without
michael@0 7 * license or royalty fees, to use, copy, modify, and distribute this
michael@0 8 * software and its documentation for any purpose, provided that the
michael@0 9 * above copyright notice and the following two paragraphs appear in
michael@0 10 * all copies of this software.
michael@0 11 *
michael@0 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
michael@0 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
michael@0 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
michael@0 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
michael@0 16 * DAMAGE.
michael@0 17 *
michael@0 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
michael@0 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
michael@0 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
michael@0 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
michael@0 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
michael@0 23 *
michael@0 24 * Google Author(s): Behdad Esfahbod
michael@0 25 */
michael@0 26
michael@0 27 #ifndef HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
michael@0 28 #define HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
michael@0 29
michael@0 30 #include "hb-private.hh"
michael@0 31
michael@0 32
michael@0 33 /* buffer var allocations, used during the normalization process */
michael@0 34 #define glyph_index() var1.u32
michael@0 35
michael@0 36 struct hb_ot_shape_plan_t;
michael@0 37
michael@0 38 enum hb_ot_shape_normalization_mode_t {
michael@0 39 HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
michael@0 40 HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED,
michael@0 41 HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* never composes base-to-base */
michael@0 42 HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* always fully decomposes and then recompose back */
michael@0 43
michael@0 44 HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS
michael@0 45 };
michael@0 46
michael@0 47 HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper,
michael@0 48 hb_buffer_t *buffer,
michael@0 49 hb_font_t *font);
michael@0 50
michael@0 51
michael@0 52 struct hb_ot_shape_normalize_context_t
michael@0 53 {
michael@0 54 const hb_ot_shape_plan_t *plan;
michael@0 55 hb_buffer_t *buffer;
michael@0 56 hb_font_t *font;
michael@0 57 hb_unicode_funcs_t *unicode;
michael@0 58 bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
michael@0 59 hb_codepoint_t ab,
michael@0 60 hb_codepoint_t *a,
michael@0 61 hb_codepoint_t *b);
michael@0 62 bool (*compose) (const hb_ot_shape_normalize_context_t *c,
michael@0 63 hb_codepoint_t a,
michael@0 64 hb_codepoint_t b,
michael@0 65 hb_codepoint_t *ab);
michael@0 66 };
michael@0 67
michael@0 68
michael@0 69 #endif /* HB_OT_SHAPE_NORMALIZE_PRIVATE_HH */

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