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1 /***************************************************************************/
2 /*                                                                         */
3 /*  pspic.c                                                                */
4 /*                                                                         */
5 /*    The FreeType position independent code services for psnames module.  */
6 /*                                                                         */
7 /*  Copyright 2009, 2010 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 #ifdef FT_CONFIG_OPTION_PIC
26 
27   /* forward declaration of PIC init functions from psmodule.c */
28   FT_Error
29   FT_Create_Class_pscmaps_services( FT_Library           library,
30                                     FT_ServiceDescRec**  output_class );
31   void
32   FT_Destroy_Class_pscmaps_services( FT_Library          library,
33                                      FT_ServiceDescRec*  clazz );
34 
35   void
36   FT_Init_Class_pscmaps_interface( FT_Library              library,
37                                    FT_Service_PsCMapsRec*  clazz );
38 
39   void
psnames_module_class_pic_free(FT_Library library)40   psnames_module_class_pic_free( FT_Library  library )
41   {
42     FT_PIC_Container*  pic_container = &library->pic_container;
43     FT_Memory  memory = library->memory;
44 
45 
46     if ( pic_container->psnames )
47     {
48       PSModulePIC*  container = (PSModulePIC*)pic_container->psnames;
49 
50 
51       if(container->pscmaps_services)
52         FT_Destroy_Class_pscmaps_services( library,
53                                            container->pscmaps_services );
54       container->pscmaps_services = NULL;
55       FT_FREE( container );
56       pic_container->psnames = NULL;
57     }
58   }
59 
60 
61   FT_Error
psnames_module_class_pic_init(FT_Library library)62   psnames_module_class_pic_init( FT_Library  library )
63   {
64     FT_PIC_Container*  pic_container = &library->pic_container;
65     FT_Error           error         = PSnames_Err_Ok;
66     PSModulePIC*       container;
67     FT_Memory          memory        = library->memory;
68 
69 
70     /* allocate pointer, clear and set global container pointer */
71     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
72       return error;
73     FT_MEM_SET( container, 0, sizeof ( *container ) );
74     pic_container->psnames = container;
75 
76     /* initialize pointer table - this is how the module usually expects this data */
77     error = FT_Create_Class_pscmaps_services(
78               library, &container->pscmaps_services );
79     if ( error )
80       goto Exit;
81     FT_Init_Class_pscmaps_interface( library,
82                                      &container->pscmaps_interface );
83 
84 Exit:
85     if ( error )
86       psnames_module_class_pic_free( library );
87     return error;
88   }
89 
90 
91 #endif /* FT_CONFIG_OPTION_PIC */
92 
93 
94 /* END */
95