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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35/*                                                                         */
36/***************************************************************************/
37
38
39#ifndef __CF2FONT_H__
40#define __CF2FONT_H__
41
42
43#include "cf2ft.h"
44#include "cf2blues.h"
45
46
47FT_BEGIN_HEADER
48
49
50#define CF2_OPERAND_STACK_SIZE  48
51#define CF2_MAX_SUBR            10 /* maximum subroutine nesting */
52
53
54  /* typedef is in `cf2glue.h' */
55  struct  CF2_FontRec_
56  {
57    FT_Memory  memory;
58    FT_Error   error;     /* shared error for this instance */
59
60    CF2_RenderingFlags  renderingFlags;
61
62    /* variables that depend on Transform:  */
63    /* the following have zero translation; */
64    /* inner * outer = font * original      */
65
66    CF2_Matrix  currentTransform;  /* original client matrix           */
67    CF2_Matrix  innerTransform;    /* for hinting; erect, scaled       */
68    CF2_Matrix  outerTransform;    /* post hinting; includes rotations */
69    CF2_Fixed   ppem;              /* transform-dependent              */
70
71    CF2_Int  unitsPerEm;
72
73    CF2_Fixed  syntheticEmboldeningAmountX;   /* character space units */
74    CF2_Fixed  syntheticEmboldeningAmountY;   /* character space units */
75
76    /* FreeType related members */
77    CF2_OutlineRec  outline;       /* freetype glyph outline functions */
78    CFF_Decoder*    decoder;
79    CFF_SubFont     lastSubfont;              /* FreeType parsed data; */
80                                              /* top font or subfont   */
81
82    /* these flags can vary from one call to the next */
83    FT_Bool  hinted;
84    FT_Bool  darkened;       /* true if stemDarkened or synthetic bold */
85                             /* i.e. darkenX != 0 || darkenY != 0      */
86    FT_Bool  stemDarkened;
87
88    /* variables that depend on both FontDict and Transform */
89    CF2_Fixed  stdVW;     /* in character space; depends on dict entry */
90    CF2_Fixed  stdHW;     /* in character space; depends on dict entry */
91    CF2_Fixed  darkenX;                    /* character space units    */
92    CF2_Fixed  darkenY;                    /* depends on transform     */
93                                           /* and private dict (StdVW) */
94    FT_Bool  reverseWinding;               /* darken assuming          */
95                                           /* counterclockwise winding */
96
97    CF2_BluesRec  blues;                         /* computed zone data */
98  };
99
100
101  FT_LOCAL( FT_Error )
102  cf2_getGlyphOutline( CF2_Font           font,
103                       CF2_Buffer         charstring,
104                       const CF2_Matrix*  transform,
105                       CF2_F16Dot16*      glyphWidth );
106
107
108FT_END_HEADER
109
110
111#endif /* __CF2FONT_H__ */
112
113
114/* END */
115