1 /***************************************************************************/
2 /*                                                                         */
3 /*  pshmod.c                                                               */
4 /*                                                                         */
5 /*    FreeType PostScript hinter module implementation (body).             */
6 /*                                                                         */
7 /*  Copyright 2001-2018 by                                                 */
8 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
9 /*                                                                         */
10 /*  This file is part of the FreeType project, and may only be used,       */
11 /*  modified, and distributed under the terms of the FreeType project      */
12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
13 /*  this file you indicate that you have read the license and              */
14 /*  understand and accept it fully.                                        */
15 /*                                                                         */
16 /***************************************************************************/
17 
18 
19 #include <ft2build.h>
20 #include FT_INTERNAL_OBJECTS_H
21 #include "pshrec.h"
22 #include "pshalgo.h"
23 #include "pshpic.h"
24 
25 
26   /* the Postscript Hinter module structure */
27   typedef struct  PS_Hinter_Module_Rec_
28   {
29     FT_ModuleRec          root;
30     PS_HintsRec           ps_hints;
31 
32     PSH_Globals_FuncsRec  globals_funcs;
33     T1_Hints_FuncsRec     t1_funcs;
34     T2_Hints_FuncsRec     t2_funcs;
35 
36   } PS_Hinter_ModuleRec, *PS_Hinter_Module;
37 
38 
39   /* finalize module */
40   FT_CALLBACK_DEF( void )
41   ps_hinter_done( PS_Hinter_Module  module )
42   {
43     module->t1_funcs.hints = NULL;
44     module->t2_funcs.hints = NULL;
45 
46     ps_hints_done( &module->ps_hints );
47   }
48 
49 
50   /* initialize module, create hints recorder and the interface */
51   FT_CALLBACK_DEF( FT_Error )
52   ps_hinter_init( PS_Hinter_Module  module )
53   {
54     FT_Memory  memory = module->root.memory;
55     void*      ph     = &module->ps_hints;
56 
57 
58     ps_hints_init( &module->ps_hints, memory );
59 
60     psh_globals_funcs_init( &module->globals_funcs );
61 
62     t1_hints_funcs_init( &module->t1_funcs );
63     module->t1_funcs.hints = (T1_Hints)ph;
64 
65     t2_hints_funcs_init( &module->t2_funcs );
66     module->t2_funcs.hints = (T2_Hints)ph;
67 
68     return 0;
69   }
70 
71 
72   /* returns global hints interface */
73   FT_CALLBACK_DEF( PSH_Globals_Funcs )
74   pshinter_get_globals_funcs( FT_Module  module )
75   {
76     return &((PS_Hinter_Module)module)->globals_funcs;
77   }
78 
79 
80   /* return Type 1 hints interface */
81   FT_CALLBACK_DEF( T1_Hints_Funcs )
82   pshinter_get_t1_funcs( FT_Module  module )
83   {
84     return &((PS_Hinter_Module)module)->t1_funcs;
85   }
86 
87 
88   /* return Type 2 hints interface */
89   FT_CALLBACK_DEF( T2_Hints_Funcs )
90   pshinter_get_t2_funcs( FT_Module  module )
91   {
92     return &((PS_Hinter_Module)module)->t2_funcs;
93   }
94 
95 
96   FT_DEFINE_PSHINTER_INTERFACE(
97     pshinter_interface,
98 
99     pshinter_get_globals_funcs,
100     pshinter_get_t1_funcs,
101     pshinter_get_t2_funcs
102   )
103 
104 
105   FT_DEFINE_MODULE(
106     pshinter_module_class,
107 
108     0,
109     sizeof ( PS_Hinter_ModuleRec ),
110     "pshinter",
111     0x10000L,
112     0x20000L,
113 
114     &PSHINTER_INTERFACE_GET,              /* module-specific interface */
115 
116     (FT_Module_Constructor)ps_hinter_init,  /* module_init   */
117     (FT_Module_Destructor) ps_hinter_done,  /* module_done   */
118     (FT_Module_Requester)  NULL             /* get_interface */
119   )
120 
121 /* END */
122