psglue.h (4501B)
1 /**************************************************************************** 2 * 3 * psglue.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 PSGLUE_H_ 40 #define PSGLUE_H_ 41 42 43 /* common includes for other modules */ 44 #include "pserror.h" 45 #include "psfixed.h" 46 #include "psarrst.h" 47 #include "psread.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 /* PSGLUE_H_ */ 142 143 144 /* END */