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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 /*                                                                         */
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     10 /*  object code form as indicated by the copyright notice(s) included      */
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     12 /*  used, modified, and distributed under the FreeType Project License,    */
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     14 /*  FreeType Project License, each contributor to the Work hereby grants   */
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     30 /*                                                                         */
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     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 */
    145