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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 "pstypes.h"
44 
45 
46   /* TODO: disable asserts for now */
47 #define CF2_NDEBUG
48 
49 
50 #include FT_SYSTEM_H
51 
52 #include "psglue.h"
53 #include FT_INTERNAL_POSTSCRIPT_AUX_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 */
168