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 
47 FT_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     FT_Int  darkenParams[8];              /* 1000 unit character space */
89 
90     /* variables that depend on both FontDict and Transform */
91     CF2_Fixed  stdVW;     /* in character space; depends on dict entry */
92     CF2_Fixed  stdHW;     /* in character space; depends on dict entry */
93     CF2_Fixed  darkenX;                    /* character space units    */
94     CF2_Fixed  darkenY;                    /* depends on transform     */
95                                            /* and private dict (StdVW) */
96     FT_Bool  reverseWinding;               /* darken assuming          */
97                                            /* counterclockwise winding */
98 
99     CF2_BluesRec  blues;                         /* computed zone data */
100   };
101 
102 
103   FT_LOCAL( FT_Error )
104   cf2_getGlyphOutline( CF2_Font           font,
105                        CF2_Buffer         charstring,
106                        const CF2_Matrix*  transform,
107                        CF2_F16Dot16*      glyphWidth );
108 
109 
110 FT_END_HEADER
111 
112 
113 #endif /* __CF2FONT_H__ */
114 
115 
116 /* END */
117