thirdparty/freetype-2.3.12/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*);
  28   void FT_Init_Class_ft_bitmap_glyph_class(FT_Glyph_Class*);
  29
  30   /* forward declaration of PIC init functions from ftinit.c */
  31   FT_Error ft_create_default_module_classes(FT_Library);
  32   void ft_destroy_default_module_classes(FT_Library);
  33
  34   void
  35   ft_base_pic_free( FT_Library library )
  36   {
  37     FT_PIC_Container* pic_container = &library->pic_container;
  38     FT_Memory    memory = library->memory;
  39     if ( pic_container->base )
  40     {
  41       /* Destroy default module classes (in case FT_Add_Default_Modules was used) */
  42       ft_destroy_default_module_classes( library );
  43
  44       FT_FREE( pic_container->base );
  45       pic_container->base = NULL;
  46     }
  47   }
  48
  49
  50   FT_Error
  51   ft_base_pic_init( FT_Library library )
  52   {
  53     FT_PIC_Container* pic_container = &library->pic_container;
  54     FT_Error        error = FT_Err_Ok;
  55     BasePIC*     container;
  56     FT_Memory    memory = library->memory;
  57
  58     /* allocate pointer, clear and set global container pointer */
  59     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
  60       return error;
  61     FT_MEM_SET( container, 0, sizeof(*container) );
  62     pic_container->base = container;
  63
  64     /* initialize default modules list and pointers */
  65     error = ft_create_default_module_classes( library );
  66     if ( error )
  67       goto Exit;
  68
  69     /* initialize pointer table - this is how the module usually expects this data */
  70     FT_Init_Class_ft_outline_glyph_class(&container->ft_outline_glyph_class);
  71     FT_Init_Class_ft_bitmap_glyph_class(&container->ft_bitmap_glyph_class);
  72
  73 Exit:
  74     if(error)
  75       ft_base_pic_free(library);
  76     return error;
  77   }
  78
  79
  80 #endif /* FT_CONFIG_OPTION_PIC */
  81
  82
  83 /* END */