1*2d1272b8SAndroid Build Coastguard Worker /* 2*2d1272b8SAndroid Build Coastguard Worker * Copyright © 2018 Ebrahim Byagowi 3*2d1272b8SAndroid Build Coastguard Worker * 4*2d1272b8SAndroid Build Coastguard Worker * This is part of HarfBuzz, a text shaping library. 5*2d1272b8SAndroid Build Coastguard Worker * 6*2d1272b8SAndroid Build Coastguard Worker * Permission is hereby granted, without written agreement and without 7*2d1272b8SAndroid Build Coastguard Worker * license or royalty fees, to use, copy, modify, and distribute this 8*2d1272b8SAndroid Build Coastguard Worker * software and its documentation for any purpose, provided that the 9*2d1272b8SAndroid Build Coastguard Worker * above copyright notice and the following two paragraphs appear in 10*2d1272b8SAndroid Build Coastguard Worker * all copies of this software. 11*2d1272b8SAndroid Build Coastguard Worker * 12*2d1272b8SAndroid Build Coastguard Worker * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13*2d1272b8SAndroid Build Coastguard Worker * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14*2d1272b8SAndroid Build Coastguard Worker * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15*2d1272b8SAndroid Build Coastguard Worker * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16*2d1272b8SAndroid Build Coastguard Worker * DAMAGE. 17*2d1272b8SAndroid Build Coastguard Worker * 18*2d1272b8SAndroid Build Coastguard Worker * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19*2d1272b8SAndroid Build Coastguard Worker * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20*2d1272b8SAndroid Build Coastguard Worker * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21*2d1272b8SAndroid Build Coastguard Worker * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22*2d1272b8SAndroid Build Coastguard Worker * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23*2d1272b8SAndroid Build Coastguard Worker */ 24*2d1272b8SAndroid Build Coastguard Worker 25*2d1272b8SAndroid Build Coastguard Worker #ifndef HB_OT_GASP_TABLE_HH 26*2d1272b8SAndroid Build Coastguard Worker #define HB_OT_GASP_TABLE_HH 27*2d1272b8SAndroid Build Coastguard Worker 28*2d1272b8SAndroid Build Coastguard Worker #include "hb-open-type.hh" 29*2d1272b8SAndroid Build Coastguard Worker #include "hb-ot-hhea-table.hh" 30*2d1272b8SAndroid Build Coastguard Worker #include "hb-ot-os2-table.hh" 31*2d1272b8SAndroid Build Coastguard Worker #include "hb-ot-var-hvar-table.hh" 32*2d1272b8SAndroid Build Coastguard Worker 33*2d1272b8SAndroid Build Coastguard Worker /* 34*2d1272b8SAndroid Build Coastguard Worker * gasp -- Grid-fitting and Scan-conversion Procedure 35*2d1272b8SAndroid Build Coastguard Worker * https://docs.microsoft.com/en-us/typography/opentype/spec/gasp 36*2d1272b8SAndroid Build Coastguard Worker */ 37*2d1272b8SAndroid Build Coastguard Worker #define HB_OT_TAG_gasp HB_TAG('g','a','s','p') 38*2d1272b8SAndroid Build Coastguard Worker 39*2d1272b8SAndroid Build Coastguard Worker 40*2d1272b8SAndroid Build Coastguard Worker namespace OT { 41*2d1272b8SAndroid Build Coastguard Worker 42*2d1272b8SAndroid Build Coastguard Worker struct GaspRange 43*2d1272b8SAndroid Build Coastguard Worker { sanitizeOT::GaspRange44*2d1272b8SAndroid Build Coastguard Worker bool sanitize (hb_sanitize_context_t *c) const 45*2d1272b8SAndroid Build Coastguard Worker { 46*2d1272b8SAndroid Build Coastguard Worker TRACE_SANITIZE (this); 47*2d1272b8SAndroid Build Coastguard Worker return_trace (c->check_struct (this)); 48*2d1272b8SAndroid Build Coastguard Worker } 49*2d1272b8SAndroid Build Coastguard Worker 50*2d1272b8SAndroid Build Coastguard Worker public: 51*2d1272b8SAndroid Build Coastguard Worker HBUINT16 rangeMaxPPEM; /* Upper limit of range, in PPEM */ 52*2d1272b8SAndroid Build Coastguard Worker HBUINT16 rangeGaspBehavior; 53*2d1272b8SAndroid Build Coastguard Worker /* Flags describing desired rasterizer behavior. */ 54*2d1272b8SAndroid Build Coastguard Worker public: 55*2d1272b8SAndroid Build Coastguard Worker DEFINE_SIZE_STATIC (4); 56*2d1272b8SAndroid Build Coastguard Worker }; 57*2d1272b8SAndroid Build Coastguard Worker 58*2d1272b8SAndroid Build Coastguard Worker struct gasp 59*2d1272b8SAndroid Build Coastguard Worker { 60*2d1272b8SAndroid Build Coastguard Worker static constexpr hb_tag_t tableTag = HB_OT_TAG_gasp; 61*2d1272b8SAndroid Build Coastguard Worker get_gasp_rangeOT::gasp62*2d1272b8SAndroid Build Coastguard Worker const GaspRange &get_gasp_range (unsigned int i) const 63*2d1272b8SAndroid Build Coastguard Worker { return gaspRanges[i]; } 64*2d1272b8SAndroid Build Coastguard Worker sanitizeOT::gasp65*2d1272b8SAndroid Build Coastguard Worker bool sanitize (hb_sanitize_context_t *c) const 66*2d1272b8SAndroid Build Coastguard Worker { 67*2d1272b8SAndroid Build Coastguard Worker TRACE_SANITIZE (this); 68*2d1272b8SAndroid Build Coastguard Worker return_trace (c->check_struct (this) && 69*2d1272b8SAndroid Build Coastguard Worker gaspRanges.sanitize (c)); 70*2d1272b8SAndroid Build Coastguard Worker } 71*2d1272b8SAndroid Build Coastguard Worker 72*2d1272b8SAndroid Build Coastguard Worker protected: 73*2d1272b8SAndroid Build Coastguard Worker HBUINT16 version; /* Version number (set to 1) */ 74*2d1272b8SAndroid Build Coastguard Worker Array16Of<GaspRange> 75*2d1272b8SAndroid Build Coastguard Worker gaspRanges; /* Number of records to follow 76*2d1272b8SAndroid Build Coastguard Worker * Sorted by ppem */ 77*2d1272b8SAndroid Build Coastguard Worker public: 78*2d1272b8SAndroid Build Coastguard Worker DEFINE_SIZE_ARRAY (4, gaspRanges); 79*2d1272b8SAndroid Build Coastguard Worker }; 80*2d1272b8SAndroid Build Coastguard Worker 81*2d1272b8SAndroid Build Coastguard Worker } /* namespace OT */ 82*2d1272b8SAndroid Build Coastguard Worker 83*2d1272b8SAndroid Build Coastguard Worker 84*2d1272b8SAndroid Build Coastguard Worker #endif /* HB_OT_GASP_TABLE_HH */ 85