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   SHORT         xMin;                   /* Minimum x for coordinate data. */

    94   SHORT         yMin;                   /* Minimum y for coordinate data. */

    95   SHORT         xMax;                   /* Maximum x for coordinate data. */

    96   SHORT         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 */