/src/freetype/src/base/basepic.c

 1/***************************************************************************/
 2/*                                                                         */
 3/*  basepic.c                                                              */
 4/*                                                                         */
 5/*    The FreeType position independent code services for base.            */
 6/*                                                                         */
 7/*  Copyright 2009 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#ifdef FT_CONFIG_OPTION_PIC
25
26  /* forward declaration of PIC init functions from ftglyph.c */
27  void FT_Init_Class_ft_outline_glyph_class( FT_Glyph_Class*  clazz );
28  void FT_Init_Class_ft_bitmap_glyph_class( FT_Glyph_Class*  clazz );
29
30  /* forward declaration of PIC init function from ftrfork.c (not modularized) */
31  void FT_Init_Table_raccess_guess_table( ft_raccess_guess_rec*  record );
32
33  /* forward declaration of PIC init functions from ftinit.c */
34  FT_Error
35  ft_create_default_module_classes( FT_Library  library );
36
37  void
38  ft_destroy_default_module_classes( FT_Library  library );
39
40  void
41  ft_base_pic_free( FT_Library  library )
42  {
43    FT_PIC_Container*  pic_container = &library->pic_container;
44    FT_Memory          memory = library->memory;
45    if ( pic_container->base )
46    {
47      /* Destroy default module classes (in case FT_Add_Default_Modules was used) */
48      ft_destroy_default_module_classes( library );
49
50      FT_FREE( pic_container->base );
51      pic_container->base = NULL;
52    }
53  }
54
55
56  FT_Error
57  ft_base_pic_init( FT_Library  library )
58  {
59    FT_PIC_Container*  pic_container = &library->pic_container;
60    FT_Error           error = FT_Err_Ok;
61    BasePIC*           container;
62    FT_Memory          memory = library->memory;
63
64    /* allocate pointer, clear and set global container pointer */
65    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
66      return error;
67    FT_MEM_SET( container, 0, sizeof ( *container ) );
68    pic_container->base = container;
69
70    /* initialize default modules list and pointers */
71    error = ft_create_default_module_classes( library );
72    if ( error )
73      goto Exit;
74
75    /* initialize pointer table - this is how the module usually expects this data */
76    FT_Init_Class_ft_outline_glyph_class(
77      &container->ft_outline_glyph_class );
78    FT_Init_Class_ft_bitmap_glyph_class(
79      &container->ft_bitmap_glyph_class );
80    FT_Init_Table_raccess_guess_table(
81      (ft_raccess_guess_rec*)&container->ft_raccess_guess_table);
82
83Exit:
84    if( error )
85      ft_base_pic_free( library );
86    return error;
87  }
88
89
90#endif /* FT_CONFIG_OPTION_PIC */
91
92
93/* END */