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| 1 /***************************************************************************/ |
| 2 /* */ |
| 3 /* cf2glue.h */ |
| 4 /* */ |
| 5 /* Adobe's code for shared stuff (specification only). */ |
| 6 /* */ |
| 7 /* Copyright 2007-2013 Adobe Systems Incorporated. */ |
| 8 /* */ |
| 9 /* This software, and all works of authorship, whether in source or */ |
| 10 /* object code form as indicated by the copyright notice(s) included */ |
| 11 /* herein (collectively, the "Work") is made available, and may only be */ |
| 12 /* used, modified, and distributed under the FreeType Project License, */ |
| 13 /* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ |
| 14 /* FreeType Project License, each contributor to the Work hereby grants */ |
| 15 /* to any individual or legal entity exercising permissions granted by */ |
| 16 /* the FreeType Project License and this section (hereafter, "You" or */ |
| 17 /* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ |
| 18 /* royalty-free, irrevocable (except as stated in this section) patent */ |
| 19 /* license to make, have made, use, offer to sell, sell, import, and */ |
| 20 /* otherwise transfer the Work, where such license applies only to those */ |
| 21 /* patent claims licensable by such contributor that are necessarily */ |
| 22 /* infringed by their contribution(s) alone or by combination of their */ |
| 23 /* contribution(s) with the Work to which such contribution(s) was */ |
| 24 /* submitted. If You institute patent litigation against any entity */ |
| 25 /* (including a cross-claim or counterclaim in a lawsuit) alleging that */ |
| 26 /* the Work or a contribution incorporated within the Work constitutes */ |
| 27 /* direct or contributory patent infringement, then any patent licenses */ |
| 28 /* granted to You under this License for that Work shall terminate as of */ |
| 29 /* the date such litigation is filed. */ |
| 30 /* */ |
| 31 /* By using, modifying, or distributing the Work you indicate that you */ |
| 32 /* have read and understood the terms and conditions of the */ |
| 33 /* FreeType Project License as well as those provided in this section, */ |
| 34 /* and you accept them fully. */ |
| 35 /* */ |
| 36 /***************************************************************************/ |
| 37 |
| 38 |
| 39 #ifndef __CF2GLUE_H__ |
| 40 #define __CF2GLUE_H__ |
| 41 |
| 42 |
| 43 /* common includes for other modules */ |
| 44 #include "cf2error.h" |
| 45 #include "cf2fixed.h" |
| 46 #include "cf2arrst.h" |
| 47 #include "cf2read.h" |
| 48 |
| 49 |
| 50 FT_BEGIN_HEADER |
| 51 |
| 52 |
| 53 /* rendering parameters */ |
| 54 |
| 55 /* apply hints to rendered glyphs */ |
| 56 #define CF2_FlagsHinted 1 |
| 57 /* for testing */ |
| 58 #define CF2_FlagsDarkened 2 |
| 59 |
| 60 /* type for holding the flags */ |
| 61 typedef CF2_Int CF2_RenderingFlags; |
| 62 |
| 63 |
| 64 /* elements of a glyph outline */ |
| 65 typedef enum CF2_PathOp_ |
| 66 { |
| 67 CF2_PathOpMoveTo = 1, /* change the current point */ |
| 68 CF2_PathOpLineTo = 2, /* line */ |
| 69 CF2_PathOpQuadTo = 3, /* quadratic curve */ |
| 70 CF2_PathOpCubeTo = 4 /* cubic curve */ |
| 71 |
| 72 } CF2_PathOp; |
| 73 |
| 74 |
| 75 /* a matrix of fixed point values */ |
| 76 typedef struct CF2_Matrix_ |
| 77 { |
| 78 CF2_F16Dot16 a; |
| 79 CF2_F16Dot16 b; |
| 80 CF2_F16Dot16 c; |
| 81 CF2_F16Dot16 d; |
| 82 CF2_F16Dot16 tx; |
| 83 CF2_F16Dot16 ty; |
| 84 |
| 85 } CF2_Matrix; |
| 86 |
| 87 |
| 88 /* these typedefs are needed by more than one header file */ |
| 89 /* and gcc compiler doesn't allow redefinition */ |
| 90 typedef struct CF2_FontRec_ CF2_FontRec, *CF2_Font; |
| 91 typedef struct CF2_HintRec_ CF2_HintRec, *CF2_Hint; |
| 92 |
| 93 |
| 94 /* A common structure for all callback parameters. */ |
| 95 /* */ |
| 96 /* Some members may be unused. For example, `pt0' is not used for */ |
| 97 /* `moveTo' and `pt3' is not used for `quadTo'. The initial point `pt0' */ |
| 98 /* is included for each path element for generality; curve conversions */ |
| 99 /* need it. The `op' parameter allows one function to handle multiple */ |
| 100 /* element types. */ |
| 101 |
| 102 typedef struct CF2_CallbackParamsRec_ |
| 103 { |
| 104 FT_Vector pt0; |
| 105 FT_Vector pt1; |
| 106 FT_Vector pt2; |
| 107 FT_Vector pt3; |
| 108 |
| 109 CF2_Int op; |
| 110 |
| 111 } CF2_CallbackParamsRec, *CF2_CallbackParams; |
| 112 |
| 113 |
| 114 /* forward reference */ |
| 115 typedef struct CF2_OutlineCallbacksRec_ CF2_OutlineCallbacksRec, |
| 116 *CF2_OutlineCallbacks; |
| 117 |
| 118 /* callback function pointers */ |
| 119 typedef void |
| 120 (*CF2_Callback_Type)( CF2_OutlineCallbacks callbacks, |
| 121 const CF2_CallbackParams params ); |
| 122 |
| 123 |
| 124 struct CF2_OutlineCallbacksRec_ |
| 125 { |
| 126 CF2_Callback_Type moveTo; |
| 127 CF2_Callback_Type lineTo; |
| 128 CF2_Callback_Type quadTo; |
| 129 CF2_Callback_Type cubeTo; |
| 130 |
| 131 CF2_Int windingMomentum; /* for winding order detection */ |
| 132 |
| 133 FT_Memory memory; |
| 134 FT_Error* error; |
| 135 }; |
| 136 |
| 137 |
| 138 FT_END_HEADER |
| 139 |
| 140 |
| 141 #endif /* __CF2GLUE_H__ */ |
| 142 |
| 143 |
| 144 /* END */ |
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