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 */
16/* the FreeType Project License and this section (hereafter, "You" or */
17/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */
18/* royalty-free, irrevocable (except as stated in this section) patent */
19/* license to make, have made, use, offer to sell, sell, import, and */
20/* otherwise transfer the Work, where such license applies only to those */
21/* patent claims licensable by such contributor that are necessarily */
22/* infringed by their contribution(s) alone or by combination of their */
23/* contribution(s) with the Work to which such contribution(s) was */
24/* submitted. If You institute patent litigation against any entity */
25/* (including a cross-claim or counterclaim in a lawsuit) alleging that */
26/* the Work or a contribution incorporated within the Work constitutes */
27/* direct or contributory patent infringement, then any patent licenses */
28/* granted to You under this License for that Work shall terminate as of */
29/* the date such litigation is filed. */
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 FT_SERVICE_CFF_TABLE_LOAD_H
44
45#include "psft.h"
46#include "psblues.h"
47
48
49FT_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
128FT_END_HEADER
129
130
131#endif /* PSFONT_H_ */
132
133
134/* END */
135