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 */