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      1 /***************************************************************************/
      2 /*                                                                         */
      3 /*  sfntpic.c                                                              */
      4 /*                                                                         */
      5 /*    The FreeType position independent code services for sfnt module.     */
      6 /*                                                                         */
      7 /*  Copyright 2009, 2010 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 
     24 #ifdef FT_CONFIG_OPTION_PIC
     25 
     26   /* forward declaration of PIC init functions from sfdriver.c */
     27   FT_Error FT_Create_Class_sfnt_services( FT_Library, FT_ServiceDescRec**);
     28   void FT_Destroy_Class_sfnt_services( FT_Library, FT_ServiceDescRec*);
     29   void FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*);
     30   void FT_Init_Class_sfnt_interface( FT_Library, SFNT_Interface*);
     31   void FT_Init_Class_sfnt_service_glyph_dict( FT_Library, FT_Service_GlyphDictRec*);
     32   void FT_Init_Class_sfnt_service_ps_name( FT_Library, FT_Service_PsFontNameRec*);
     33   void FT_Init_Class_tt_service_get_cmap_info( FT_Library, FT_Service_TTCMapsRec*);
     34   void FT_Init_Class_sfnt_service_sfnt_table( FT_Service_SFNT_TableRec*);
     35 
     36   /* forward declaration of PIC init functions from ttcmap.c */
     37   FT_Error FT_Create_Class_tt_cmap_classes( FT_Library, TT_CMap_Class**);
     38   void FT_Destroy_Class_tt_cmap_classes( FT_Library, TT_CMap_Class*);
     39 
     40   void
     41   sfnt_module_class_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->sfnt )
     46     {
     47       sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt;
     48       if(container->sfnt_services)
     49         FT_Destroy_Class_sfnt_services(library, container->sfnt_services);
     50       container->sfnt_services = NULL;
     51       if(container->tt_cmap_classes)
     52         FT_Destroy_Class_tt_cmap_classes(library, container->tt_cmap_classes);
     53       container->tt_cmap_classes = NULL;
     54       FT_FREE( container );
     55       pic_container->sfnt = NULL;
     56     }
     57   }
     58 
     59 
     60   FT_Error
     61   sfnt_module_class_pic_init(  FT_Library library )
     62   {
     63     FT_PIC_Container*  pic_container = &library->pic_container;
     64     FT_Error           error = SFNT_Err_Ok;
     65     sfntModulePIC*     container;
     66     FT_Memory          memory = library->memory;
     67 
     68 
     69     /* allocate pointer, clear and set global container pointer */
     70     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
     71       return error;
     72     FT_MEM_SET( container, 0, sizeof ( *container ) );
     73     pic_container->sfnt = container;
     74 
     75     /* initialize pointer table - this is how the module usually expects this data */
     76     error = FT_Create_Class_sfnt_services(library, &container->sfnt_services);
     77     if(error)
     78       goto Exit;
     79     error = FT_Create_Class_tt_cmap_classes(library, &container->tt_cmap_classes);
     80     if(error)
     81       goto Exit;
     82     FT_Init_Class_sfnt_service_glyph_dict(library, &container->sfnt_service_glyph_dict);
     83     FT_Init_Class_sfnt_service_ps_name(library, &container->sfnt_service_ps_name);
     84     FT_Init_Class_tt_service_get_cmap_info(library, &container->tt_service_get_cmap_info);
     85     FT_Init_Class_sfnt_service_sfnt_table(&container->sfnt_service_sfnt_table);
     86 #ifdef TT_CONFIG_OPTION_BDF
     87     FT_Init_Class_sfnt_service_bdf(&container->sfnt_service_bdf);
     88 #endif
     89     FT_Init_Class_sfnt_interface(library, &container->sfnt_interface);
     90 
     91 Exit:
     92     if(error)
     93       sfnt_module_class_pic_free(library);
     94     return error;
     95   }
     96 
     97 
     98 
     99 #endif /* FT_CONFIG_OPTION_PIC */
    100 
    101 
    102 /* END */
    103