1 /***************************************************************************/
2 /*                                                                         */
3 /*  basepic.c                                                              */
4 /*                                                                         */
5 /*    The FreeType position independent code services for base.            */
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 "basepic.h"
23 
24 
25 #ifdef FT_CONFIG_OPTION_PIC
26 
27   /* forward declaration of PIC init functions from ftglyph.c */
28   void
29   FT_Init_Class_ft_outline_glyph_class( FT_Glyph_Class*  clazz );
30 
31   void
32   FT_Init_Class_ft_bitmap_glyph_class( FT_Glyph_Class*  clazz );
33 
34 #ifdef FT_CONFIG_OPTION_MAC_FONTS
35   /* forward declaration of PIC init function from ftrfork.c */
36   /* (not modularized)                                       */
37   void
38   FT_Init_Table_ft_raccess_guess_table( ft_raccess_guess_rec*  record );
39 #endif
40 
41   /* forward declaration of PIC init functions from ftinit.c */
42   FT_Error
43   ft_create_default_module_classes( FT_Library  library );
44 
45   void
46   ft_destroy_default_module_classes( FT_Library  library );
47 
48 
49   void
50   ft_base_pic_free( FT_Library  library )
51   {
52     FT_PIC_Container*  pic_container = &library->pic_container;
53     FT_Memory          memory        = library->memory;
54 
55 
56     if ( pic_container->base )
57     {
58       /* destroy default module classes            */
59       /* (in case FT_Add_Default_Modules was used) */
60       ft_destroy_default_module_classes( library );
61 
62       FT_FREE( pic_container->base );
63       pic_container->base = NULL;
64     }
65   }
66 
67 
68   FT_Error
69   ft_base_pic_init( FT_Library  library )
70   {
71     FT_PIC_Container*  pic_container = &library->pic_container;
72     FT_Error           error         = FT_Err_Ok;
73     BasePIC*           container     = NULL;
74     FT_Memory          memory        = library->memory;
75 
76 
77     /* allocate pointer, clear and set global container pointer */
78     if ( FT_ALLOC( container, sizeof ( *container ) ) )
79       return error;
80     FT_MEM_SET( container, 0, sizeof ( *container ) );
81     pic_container->base = container;
82 
83     /* initialize default modules list and pointers */
84     error = ft_create_default_module_classes( library );
85     if ( error )
86       goto Exit;
87 
88     /* initialize pointer table -                       */
89     /* this is how the module usually expects this data */
90     FT_Init_Class_ft_outline_glyph_class(
91       &container->ft_outline_glyph_class );
92     FT_Init_Class_ft_bitmap_glyph_class(
93       &container->ft_bitmap_glyph_class );
94 #ifdef FT_CONFIG_OPTION_MAC_FONTS
95     FT_Init_Table_ft_raccess_guess_table(
96       (ft_raccess_guess_rec*)&container->ft_raccess_guess_table );
97 #endif
98 
99   Exit:
100     if ( error )
101       ft_base_pic_free( library );
102     return error;
103   }
104 
105 #endif /* FT_CONFIG_OPTION_PIC */
106 
107 
108 /* END */
109