1 /****************************************************************************
2 *
3 * psft.h
4 *
5 * FreeType Glue Component to Adobe's Interpreter (specification).
6 *
7 * Copyright 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 PSFT_H_
40 #define PSFT_H_
41
42
43 #include <freetype/internal/compiler-macros.h>
44 #include "pstypes.h"
45
46 /* TODO: disable asserts for now */
47 #define CF2_NDEBUG
48
49
50 #include <freetype/ftsystem.h>
51
52 #include "psglue.h"
53 #include <freetype/internal/psaux.h> /* for PS_Decoder */
54
55
56 FT_BEGIN_HEADER
57
58
59 FT_LOCAL( FT_Error )
60 cf2_decoder_parse_charstrings( PS_Decoder* decoder,
61 FT_Byte* charstring_base,
62 FT_ULong charstring_len );
63
64 FT_LOCAL( CFF_SubFont )
65 cf2_getSubfont( PS_Decoder* decoder );
66
67 FT_LOCAL( CFF_VStore )
68 cf2_getVStore( PS_Decoder* decoder );
69
70 FT_LOCAL( FT_UInt )
71 cf2_getMaxstack( PS_Decoder* decoder );
72
73 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
74 FT_LOCAL( FT_Error )
75 cf2_getNormalizedVector( PS_Decoder* decoder,
76 CF2_UInt *len,
77 FT_Fixed* *vec );
78 #endif
79
80 FT_LOCAL( CF2_Fixed )
81 cf2_getPpemY( PS_Decoder* decoder );
82 FT_LOCAL( CF2_Fixed )
83 cf2_getStdVW( PS_Decoder* decoder );
84 FT_LOCAL( CF2_Fixed )
85 cf2_getStdHW( PS_Decoder* decoder );
86
87 FT_LOCAL( void )
88 cf2_getBlueMetrics( PS_Decoder* decoder,
89 CF2_Fixed* blueScale,
90 CF2_Fixed* blueShift,
91 CF2_Fixed* blueFuzz );
92 FT_LOCAL( void )
93 cf2_getBlueValues( PS_Decoder* decoder,
94 size_t* count,
95 FT_Pos* *data );
96 FT_LOCAL( void )
97 cf2_getOtherBlues( PS_Decoder* decoder,
98 size_t* count,
99 FT_Pos* *data );
100 FT_LOCAL( void )
101 cf2_getFamilyBlues( PS_Decoder* decoder,
102 size_t* count,
103 FT_Pos* *data );
104 FT_LOCAL( void )
105 cf2_getFamilyOtherBlues( PS_Decoder* decoder,
106 size_t* count,
107 FT_Pos* *data );
108
109 FT_LOCAL( CF2_Int )
110 cf2_getLanguageGroup( PS_Decoder* decoder );
111
112 FT_LOCAL( CF2_Int )
113 cf2_initGlobalRegionBuffer( PS_Decoder* decoder,
114 CF2_Int subrNum,
115 CF2_Buffer buf );
116 FT_LOCAL( FT_Error )
117 cf2_getSeacComponent( PS_Decoder* decoder,
118 CF2_Int code,
119 CF2_Buffer buf );
120 FT_LOCAL( void )
121 cf2_freeSeacComponent( PS_Decoder* decoder,
122 CF2_Buffer buf );
123 FT_LOCAL( CF2_Int )
124 cf2_initLocalRegionBuffer( PS_Decoder* decoder,
125 CF2_Int subrNum,
126 CF2_Buffer buf );
127
128 FT_LOCAL( CF2_Fixed )
129 cf2_getDefaultWidthX( PS_Decoder* decoder );
130 FT_LOCAL( CF2_Fixed )
131 cf2_getNominalWidthX( PS_Decoder* decoder );
132
133
134 FT_LOCAL( FT_Error )
135 cf2_getT1SeacComponent( PS_Decoder* decoder,
136 FT_UInt glyph_index,
137 CF2_Buffer buf );
138 FT_LOCAL( void )
139 cf2_freeT1SeacComponent( PS_Decoder* decoder,
140 CF2_Buffer buf );
141
142 /*
143 * FreeType client outline
144 *
145 * process output from the charstring interpreter
146 */
147 typedef struct CF2_OutlineRec_
148 {
149 CF2_OutlineCallbacksRec root; /* base class must be first */
150 PS_Decoder* decoder;
151
152 } CF2_OutlineRec, *CF2_Outline;
153
154
155 FT_LOCAL( void )
156 cf2_outline_reset( CF2_Outline outline );
157 FT_LOCAL( void )
158 cf2_outline_close( CF2_Outline outline );
159
160
161 FT_END_HEADER
162
163
164 #endif /* PSFT_H_ */
165
166
167 /* END */