sdk/lib/3rdparty/freetype/src/cff/cf2font.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  cf2font.h                                                              */
   4 /*                                                                         */
   5 /*    Adobe's code for font instances (specification).                     */
   6 /*                                                                         */
   7 /*  Copyright 2007-2013 Adobe Systems Incorporated.                        */
   8 /*                                                                         */
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  34 /*  and you accept them fully.                                             */
  35 /*                                                                         */
  36 /***************************************************************************/
  37
  38
  39 #ifndef CF2FONT_H_
  40 #define CF2FONT_H_
  41
  42
  43 #include "cf2ft.h"
  44 #include "cf2blues.h"
  45 #include "cffload.h"
  46
  47
  48 FT_BEGIN_HEADER
  49
  50
  51 #define CF2_OPERAND_STACK_SIZE  48
  52 #define CF2_MAX_SUBR            16 /* maximum subroutine nesting;         */
  53                                    /* only 10 are allowed but there exist */
  54                                    /* fonts like `HiraKakuProN-W3.ttf'    */
  55                                    /* (Hiragino Kaku Gothic ProN W3;      */
  56                                    /* 8.2d6e1; 2014-12-19) that exceed    */
  57                                    /* this limit                          */
  58 #define CF2_STORAGE_SIZE        32
  59
  60
  61   /* typedef is in `cf2glue.h' */
  62   struct  CF2_FontRec_
  63   {
  64     FT_Memory  memory;
  65     FT_Error   error;     /* shared error for this instance */
  66
  67     FT_Bool             isCFF2;
  68     CF2_RenderingFlags  renderingFlags;
  69
  70     /* variables that depend on Transform:  */
  71     /* the following have zero translation; */
  72     /* inner * outer = font * original      */
  73
  74     CF2_Matrix  currentTransform;  /* original client matrix           */
  75     CF2_Matrix  innerTransform;    /* for hinting; erect, scaled       */
  76     CF2_Matrix  outerTransform;    /* post hinting; includes rotations */
  77     CF2_Fixed   ppem;              /* transform-dependent              */
  78
  79     /* variation data */
  80     CFF_BlendRec  blend;            /* cached charstring blend vector  */
  81     CF2_UInt      vsindex;          /* current vsindex                 */
  82     CF2_UInt      lenNDV;           /* current length NDV or zero      */
  83     FT_Fixed*     NDV;              /* ptr to current NDV or NULL      */
  84
  85     CF2_Int  unitsPerEm;
  86
  87     CF2_Fixed  syntheticEmboldeningAmountX;   /* character space units */
  88     CF2_Fixed  syntheticEmboldeningAmountY;   /* character space units */
  89
  90     /* FreeType related members */
  91     CF2_OutlineRec  outline;       /* freetype glyph outline functions */
  92     CFF_Decoder*    decoder;
  93     CFF_SubFont     lastSubfont;              /* FreeType parsed data; */
  94                                               /* top font or subfont   */
  95
  96     /* these flags can vary from one call to the next */
  97     FT_Bool  hinted;
  98     FT_Bool  darkened;       /* true if stemDarkened or synthetic bold */
  99                              /* i.e. darkenX != 0 || darkenY != 0      */
 100     FT_Bool  stemDarkened;
 101
 102     FT_Int  darkenParams[8];              /* 1000 unit character space */
 103
 104     /* variables that depend on both FontDict and Transform */
 105     CF2_Fixed  stdVW;     /* in character space; depends on dict entry */
 106     CF2_Fixed  stdHW;     /* in character space; depends on dict entry */
 107     CF2_Fixed  darkenX;                    /* character space units    */
 108     CF2_Fixed  darkenY;                    /* depends on transform     */
 109                                            /* and private dict (StdVW) */
 110     FT_Bool  reverseWinding;               /* darken assuming          */
 111                                            /* counterclockwise winding */
 112
 113     CF2_BluesRec  blues;                         /* computed zone data */
 114   };
 115
 116
 117   FT_LOCAL( FT_Error )
 118   cf2_getGlyphOutline( CF2_Font           font,
 119                        CF2_Buffer         charstring,
 120                        const CF2_Matrix*  transform,
 121                        CF2_F16Dot16*      glyphWidth );
 122
 123
 124 FT_END_HEADER
 125
 126
 127 #endif /* CF2FONT_H_ */
 128
 129
 130 /* END */