1 | /**************************************************************************** |
2 | * |
3 | * psfont.h |
4 | * |
5 | * Adobe's code for font instances (specification). |
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 |
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17 | * "Your") a perpetual, worldwide, non-exclusive, no-charge, |
18 | * royalty-free, irrevocable (except as stated in this section) patent |
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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 PSFONT_H_ |
40 | #define PSFONT_H_ |
41 | |
42 | |
43 | #include <freetype/internal/services/svcfftl.h> |
44 | |
45 | #include "psft.h" |
46 | #include "psblues.h" |
47 | |
48 | |
49 | FT_BEGIN_HEADER |
50 | |
51 | |
52 | #define CF2_OPERAND_STACK_SIZE 48 |
53 | #define CF2_MAX_SUBR 16 /* maximum subroutine nesting; */ |
54 | /* only 10 are allowed but there exist */ |
55 | /* fonts like `HiraKakuProN-W3.ttf' */ |
56 | /* (Hiragino Kaku Gothic ProN W3; */ |
57 | /* 8.2d6e1; 2014-12-19) that exceed */ |
58 | /* this limit */ |
59 | #define CF2_STORAGE_SIZE 32 |
60 | |
61 | |
62 | /* typedef is in `cf2glue.h' */ |
63 | struct CF2_FontRec_ |
64 | { |
65 | FT_Memory memory; |
66 | FT_Error error; /* shared error for this instance */ |
67 | |
68 | FT_Bool isT1; |
69 | FT_Bool isCFF2; |
70 | CF2_RenderingFlags renderingFlags; |
71 | |
72 | /* variables that depend on Transform: */ |
73 | /* the following have zero translation; */ |
74 | /* inner * outer = font * original */ |
75 | |
76 | CF2_Matrix currentTransform; /* original client matrix */ |
77 | CF2_Matrix innerTransform; /* for hinting; erect, scaled */ |
78 | CF2_Matrix outerTransform; /* post hinting; includes rotations */ |
79 | CF2_Fixed ppem; /* transform-dependent */ |
80 | |
81 | /* variation data */ |
82 | CFF_BlendRec blend; /* cached charstring blend vector */ |
83 | CF2_UInt vsindex; /* current vsindex */ |
84 | CF2_UInt lenNDV; /* current length NDV or zero */ |
85 | FT_Fixed* NDV; /* ptr to current NDV or NULL */ |
86 | |
87 | CF2_Int unitsPerEm; |
88 | |
89 | CF2_Fixed syntheticEmboldeningAmountX; /* character space units */ |
90 | CF2_Fixed syntheticEmboldeningAmountY; /* character space units */ |
91 | |
92 | /* FreeType related members */ |
93 | CF2_OutlineRec outline; /* freetype glyph outline functions */ |
94 | PS_Decoder* decoder; |
95 | CFF_SubFont lastSubfont; /* FreeType parsed data; */ |
96 | /* top font or subfont */ |
97 | |
98 | /* these flags can vary from one call to the next */ |
99 | FT_Bool hinted; |
100 | FT_Bool darkened; /* true if stemDarkened or synthetic bold */ |
101 | /* i.e. darkenX != 0 || darkenY != 0 */ |
102 | FT_Bool stemDarkened; |
103 | |
104 | FT_Int darkenParams[8]; /* 1000 unit character space */ |
105 | |
106 | /* variables that depend on both FontDict and Transform */ |
107 | CF2_Fixed stdVW; /* in character space; depends on dict entry */ |
108 | CF2_Fixed stdHW; /* in character space; depends on dict entry */ |
109 | CF2_Fixed darkenX; /* character space units */ |
110 | CF2_Fixed darkenY; /* depends on transform */ |
111 | /* and private dict (StdVW) */ |
112 | FT_Bool reverseWinding; /* darken assuming */ |
113 | /* counterclockwise winding */ |
114 | |
115 | CF2_BluesRec blues; /* computed zone data */ |
116 | |
117 | FT_Service_CFFLoad cffload; /* pointer to cff functions */ |
118 | }; |
119 | |
120 | |
121 | FT_LOCAL( FT_Error ) |
122 | cf2_getGlyphOutline( CF2_Font font, |
123 | CF2_Buffer charstring, |
124 | const CF2_Matrix* transform, |
125 | CF2_F16Dot16* glyphWidth ); |
126 | |
127 | |
128 | FT_END_HEADER |
129 | |
130 | |
131 | #endif /* PSFONT_H_ */ |
132 | |
133 | |
134 | /* END */ |
135 | |