1 /***************************************************************************/
2 /*                                                                         */
3 /*  pspic.c                                                                */
4 /*                                                                         */
5 /*    The FreeType position independent code services for psnames module.  */
6 /*                                                                         */
7 /*  Copyright 2009-2018 by                                                 */
8 /*  Oran Agra and Mickey Gabel.                                            */
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_FREETYPE_H
21 #include FT_INTERNAL_OBJECTS_H
22 #include "pspic.h"
23 #include "psnamerr.h"
24 
25 
26 #ifdef FT_CONFIG_OPTION_PIC
27 
28   /* forward declaration of PIC init functions from psmodule.c */
29   FT_Error
30   FT_Create_Class_pscmaps_services( FT_Library           library,
31                                     FT_ServiceDescRec**  output_class );
32   void
33   FT_Destroy_Class_pscmaps_services( FT_Library          library,
34                                      FT_ServiceDescRec*  clazz );
35 
36   void
37   FT_Init_Class_pscmaps_interface( FT_Library              library,
38                                    FT_Service_PsCMapsRec*  clazz );
39 
40 
41   void
42   psnames_module_class_pic_free( FT_Library  library )
43   {
44     FT_PIC_Container*  pic_container = &library->pic_container;
45     FT_Memory          memory        = library->memory;
46 
47 
48     if ( pic_container->psnames )
49     {
50       PSModulePIC*  container = (PSModulePIC*)pic_container->psnames;
51 
52 
53       if ( container->pscmaps_services )
54         FT_Destroy_Class_pscmaps_services( library,
55                                            container->pscmaps_services );
56       container->pscmaps_services = NULL;
57       FT_FREE( container );
58       pic_container->psnames = NULL;
59     }
60   }
61 
62 
63   FT_Error
64   psnames_module_class_pic_init( FT_Library  library )
65   {
66     FT_PIC_Container*  pic_container = &library->pic_container;
67     FT_Error           error         = FT_Err_Ok;
68     PSModulePIC*       container     = NULL;
69     FT_Memory          memory        = library->memory;
70 
71 
72     /* allocate pointer, clear and set global container pointer */
73     if ( FT_ALLOC( container, sizeof ( *container ) ) )
74       return error;
75     FT_MEM_SET( container, 0, sizeof ( *container ) );
76     pic_container->psnames = container;
77 
78     /* initialize pointer table -                       */
79     /* this is how the module usually expects this data */
80     error = FT_Create_Class_pscmaps_services(
81               library, &container->pscmaps_services );
82     if ( error )
83       goto Exit;
84     FT_Init_Class_pscmaps_interface( library,
85                                      &container->pscmaps_interface );
86 
87   Exit:
88     if ( error )
89       psnames_module_class_pic_free( library );
90     return error;
91   }
92 
93 
94 #endif /* FT_CONFIG_OPTION_PIC */
95 
96 
97 /* END */
98