1 /* 2 * Copyright 2015 Google, Inc. 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #ifndef HB_OT_GLYF_TABLE_HH 28 #define HB_OT_GLYF_TABLE_HH 29 30 #include "hb-open-type-private.hh" 31 32 33 namespace OT { 34 35 36 /* 37 * loca -- Index to Location 38 */ 39 40 #define HB_OT_TAG_loca HB_TAG('l','o','c','a') 41 42 43 struct loca 44 { 45 static const hb_tag_t tableTag = HB_OT_TAG_loca; 46 47 inline bool sanitize (hb_sanitize_context_t *c) const 48 { 49 TRACE_SANITIZE (this); 50 return_trace (true); 51 } 52 53 public: 54 union { 55 USHORT shortsZ[VAR]; /* Location offset divided by 2. */ 56 ULONG longsZ[VAR]; /* Location offset. */ 57 } u; 58 DEFINE_SIZE_ARRAY (0, u.longsZ); 59 }; 60 61 62 /* 63 * glyf -- TrueType Glyph Data 64 */ 65 66 #define HB_OT_TAG_glyf HB_TAG('g','l','y','f') 67 68 69 struct glyf 70 { 71 static const hb_tag_t tableTag = HB_OT_TAG_glyf; 72 73 inline bool sanitize (hb_sanitize_context_t *c) const 74 { 75 TRACE_SANITIZE (this); 76 /* We don't check for anything specific here. The users of the 77 * struct do all the hard work... */ 78 return_trace (true); 79 } 80 81 public: 82 BYTE dataX[VAR]; /* Glyphs data. */ 83 84 DEFINE_SIZE_ARRAY (0, dataX); 85 }; 86 87 struct glyfGlyphHeader 88 { 89 SHORT numberOfContours; /* If the number of contours is 90 * greater than or equal to zero, 91 * this is a simple glyph; if negative, 92 * this is a composite glyph. */ 93 FWORD xMin; /* Minimum x for coordinate data. */ 94 FWORD yMin; /* Minimum y for coordinate data. */ 95 FWORD xMax; /* Maximum x for coordinate data. */ 96 FWORD yMax; /* Maximum y for coordinate data. */ 97 98 DEFINE_SIZE_STATIC (10); 99 }; 100 101 } /* namespace OT */ 102 103 104 #endif /* HB_OT_GLYF_TABLE_HH */ 105
