| 1 | /* |
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| 2 | * Copyright (C) 1998-2004 David Turner and Werner Lemberg |
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| 3 | * Copyright (C) 2006 Behdad Esfahbod |
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| 4 | * |
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| 5 | * This is part of HarfBuzz, an OpenType Layout engine library. |
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| 6 | * |
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| 7 | * Permission is hereby granted, without written agreement and without |
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| 8 | * license or royalty fees, to use, copy, modify, and distribute this |
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| 9 | * software and its documentation for any purpose, provided that the |
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| 10 | * above copyright notice and the following two paragraphs appear in |
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| 11 | * all copies of this software. |
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| 12 | * |
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| 13 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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| 14 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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| 15 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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| 16 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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| 17 | * DAMAGE. |
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| 18 | * |
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| 19 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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| 20 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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| 22 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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| 23 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef HARFBUZZ_GDEF_PRIVATE_H |
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| 27 | #define HARFBUZZ_GDEF_PRIVATE_H |
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| 28 | |
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| 29 | #include "harfbuzz-impl.h" |
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| 30 | #include "harfbuzz-stream-private.h" |
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| 31 | #include "harfbuzz-buffer-private.h" |
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| 32 | #include "harfbuzz-gdef.h" |
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| 33 | |
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| 34 | HB_BEGIN_HEADER |
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| 35 | |
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| 36 | /* Attachment related structures */ |
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| 37 | |
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| 38 | struct HB_AttachPoint_ |
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| 39 | { |
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| 40 | HB_UShort* PointIndex; /* array of contour points */ |
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| 41 | HB_UShort PointCount; /* size of the PointIndex array */ |
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| 42 | }; |
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| 43 | |
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| 44 | /* Ligature Caret related structures */ |
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| 45 | |
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| 46 | struct HB_CaretValueFormat1_ |
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| 47 | { |
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| 48 | HB_Short Coordinate; /* x or y value (in design units) */ |
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| 49 | }; |
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| 50 | |
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| 51 | typedef struct HB_CaretValueFormat1_ HB_CaretValueFormat1; |
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| 52 | |
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| 53 | |
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| 54 | struct HB_CaretValueFormat2_ |
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| 55 | { |
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| 56 | HB_UShort CaretValuePoint; /* contour point index on glyph */ |
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| 57 | }; |
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| 58 | |
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| 59 | typedef struct HB_CaretValueFormat2_ HB_CaretValueFormat2; |
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| 60 | |
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| 61 | |
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| 62 | struct HB_CaretValueFormat3_ |
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| 63 | { |
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| 64 | HB_Device* Device; /* Device table for x or y value */ |
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| 65 | HB_Short Coordinate; /* x or y value (in design units) */ |
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| 66 | }; |
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| 67 | |
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| 68 | typedef struct HB_CaretValueFormat3_ HB_CaretValueFormat3; |
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| 69 | |
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| 70 | |
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| 71 | #ifdef HB_SUPPORT_MULTIPLE_MASTER |
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| 72 | struct HB_CaretValueFormat4_ |
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| 73 | { |
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| 74 | HB_UShort IdCaretValue; /* metric ID */ |
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| 75 | }; |
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| 76 | |
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| 77 | typedef struct HB_CaretValueFormat4_ HB_CaretValueFormat4; |
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| 78 | #endif |
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| 79 | |
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| 80 | |
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| 81 | struct HB_CaretValue_ |
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| 82 | { |
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| 83 | union |
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| 84 | { |
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| 85 | HB_CaretValueFormat1 cvf1; |
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| 86 | HB_CaretValueFormat2 cvf2; |
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| 87 | HB_CaretValueFormat3 cvf3; |
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| 88 | #ifdef HB_SUPPORT_MULTIPLE_MASTER |
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| 89 | HB_CaretValueFormat4 cvf4; |
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| 90 | #endif |
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| 91 | } cvf; |
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| 92 | |
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| 93 | HB_Byte CaretValueFormat; /* 1, 2, 3, or 4 */ |
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| 94 | }; |
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| 95 | |
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| 96 | typedef struct HB_CaretValue_ HB_CaretValue; |
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| 97 | |
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| 98 | |
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| 99 | struct HB_LigGlyph_ |
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| 100 | { |
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| 101 | HB_CaretValue* CaretValue; /* array of caret values */ |
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| 102 | HB_UShort CaretCount; /* number of caret values */ |
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| 103 | HB_Bool loaded; |
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| 104 | }; |
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| 105 | |
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| 106 | |
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| 107 | HB_INTERNAL HB_Error |
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| 108 | _HB_GDEF_Add_Glyph_Property( HB_GDEFHeader* gdef, |
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| 109 | HB_UShort glyphID, |
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| 110 | HB_UShort property ); |
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| 111 | |
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| 112 | HB_INTERNAL HB_Error |
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| 113 | _HB_GDEF_Check_Property( HB_GDEFHeader* gdef, |
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| 114 | HB_GlyphItem item, |
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| 115 | HB_UShort flags, |
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| 116 | HB_UShort* property ); |
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| 117 | |
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| 118 | HB_INTERNAL HB_Error |
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| 119 | _HB_GDEF_LoadMarkAttachClassDef_From_LookupFlags( HB_GDEFHeader* gdef, |
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| 120 | HB_Stream input, |
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| 121 | HB_Lookup* lo, |
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| 122 | HB_UShort num_lookups ); |
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| 123 | |
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| 124 | HB_END_HEADER |
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| 125 | |
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| 126 | #endif /* HARFBUZZ_GDEF_PRIVATE_H */ |
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| 127 | |
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