XFA: merge patch from CL 815103002
[pdfium.git] / third_party / freetype / src / sfnt / sfntpic.c
1 /***************************************************************************/
2 /*                                                                         */
3 /*  sfntpic.c                                                              */
4 /*                                                                         */
5 /*    The FreeType position independent code services for sfnt module.     */
6 /*                                                                         */
7 /*  Copyright 2009, 2010, 2012, 2013 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 "sfntpic.h"
23 #include "sferrors.h"
24
25
26 #ifdef FT_CONFIG_OPTION_PIC
27
28   /* forward declaration of PIC init functions from sfdriver.c */
29   FT_Error
30   FT_Create_Class_sfnt_services( FT_Library           library,
31                                  FT_ServiceDescRec**  output_class );
32   void
33   FT_Destroy_Class_sfnt_services( FT_Library          library,
34                                   FT_ServiceDescRec*  clazz );
35   void
36   FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*  clazz );
37   void
38   FT_Init_Class_sfnt_interface( FT_Library       library,
39                                 SFNT_Interface*  clazz );
40   void
41   FT_Init_Class_sfnt_service_glyph_dict(
42     FT_Library                library,
43     FT_Service_GlyphDictRec*  clazz );
44   void
45   FT_Init_Class_sfnt_service_ps_name(
46     FT_Library                 library,
47     FT_Service_PsFontNameRec*  clazz );
48   void
49   FT_Init_Class_tt_service_get_cmap_info(
50     FT_Library              library,
51     FT_Service_TTCMapsRec*  clazz );
52   void
53   FT_Init_Class_sfnt_service_sfnt_table(
54     FT_Service_SFNT_TableRec*  clazz );
55
56
57   /* forward declaration of PIC init functions from ttcmap.c */
58   FT_Error
59   FT_Create_Class_tt_cmap_classes( FT_Library       library,
60                                    TT_CMap_Class**  output_class );
61   void
62   FT_Destroy_Class_tt_cmap_classes( FT_Library      library,
63                                     TT_CMap_Class*  clazz );
64
65
66   void
67   sfnt_module_class_pic_free( FT_Library  library )
68   {
69     FT_PIC_Container*  pic_container = &library->pic_container;
70     FT_Memory          memory        = library->memory;
71
72
73     if ( pic_container->sfnt )
74     {
75       sfntModulePIC*  container = (sfntModulePIC*)pic_container->sfnt;
76
77
78       if ( container->sfnt_services )
79         FT_Destroy_Class_sfnt_services( library,
80                                         container->sfnt_services );
81       container->sfnt_services = NULL;
82
83       if ( container->tt_cmap_classes )
84         FT_Destroy_Class_tt_cmap_classes( library,
85                                           container->tt_cmap_classes );
86       container->tt_cmap_classes = NULL;
87
88       FT_FREE( container );
89       pic_container->sfnt = NULL;
90     }
91   }
92
93
94   FT_Error
95   sfnt_module_class_pic_init( FT_Library  library )
96   {
97     FT_PIC_Container*  pic_container = &library->pic_container;
98     FT_Error           error         = FT_Err_Ok;
99     sfntModulePIC*     container     = NULL;
100     FT_Memory          memory        = library->memory;
101
102
103     /* allocate pointer, clear and set global container pointer */
104     if ( FT_ALLOC( container, sizeof ( *container ) ) )
105       return error;
106     FT_MEM_SET( container, 0, sizeof ( *container ) );
107     pic_container->sfnt = container;
108
109     /* initialize pointer table -                       */
110     /* this is how the module usually expects this data */
111     error = FT_Create_Class_sfnt_services( library,
112                                            &container->sfnt_services );
113     if ( error )
114       goto Exit;
115
116     error = FT_Create_Class_tt_cmap_classes( library,
117                                              &container->tt_cmap_classes );
118     if ( error )
119       goto Exit;
120
121     FT_Init_Class_sfnt_service_glyph_dict(
122       library, &container->sfnt_service_glyph_dict );
123     FT_Init_Class_sfnt_service_ps_name(
124       library, &container->sfnt_service_ps_name );
125     FT_Init_Class_tt_service_get_cmap_info(
126       library, &container->tt_service_get_cmap_info );
127     FT_Init_Class_sfnt_service_sfnt_table(
128       &container->sfnt_service_sfnt_table );
129 #ifdef TT_CONFIG_OPTION_BDF
130     FT_Init_Class_sfnt_service_bdf( &container->sfnt_service_bdf );
131 #endif
132     FT_Init_Class_sfnt_interface( library, &container->sfnt_interface );
133
134   Exit:
135     if ( error )
136       sfnt_module_class_pic_free( library );
137     return error;
138   }
139
140 #endif /* FT_CONFIG_OPTION_PIC */
141
142
143 /* END */