Home | History | Annotate | Download | only in sfnt
      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 #include "sferrors.h"
     24 
     25 #ifdef FT_CONFIG_OPTION_PIC
     26 
     27   /* forward declaration of PIC init functions from sfdriver.c */
     28   FT_Error
     29   FT_Create_Class_sfnt_services( FT_Library           library,
     30                                  FT_ServiceDescRec**  ouput_class );
     31 
     32   void
     33   FT_Destroy_Class_sfnt_services( FT_Library          library,
     34                                   FT_ServiceDescRec*  clazz );
     35 
     36   void
     37   FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*  clazz );
     38 
     39   void
     40   FT_Init_Class_sfnt_interface( FT_Library       library,
     41                                 SFNT_Interface*  clazz );
     42 
     43   void
     44   FT_Init_Class_sfnt_service_glyph_dict(
     45     FT_Library                library,
     46     FT_Service_GlyphDictRec*  clazz );
     47 
     48   void
     49   FT_Init_Class_sfnt_service_ps_name(
     50     FT_Library                 library,
     51     FT_Service_PsFontNameRec*  clazz );
     52 
     53   void
     54   FT_Init_Class_tt_service_get_cmap_info(
     55     FT_Library              library,
     56     FT_Service_TTCMapsRec*  clazz );
     57 
     58   void
     59   FT_Init_Class_sfnt_service_sfnt_table(
     60     FT_Service_SFNT_TableRec*  clazz );
     61 
     62   /* forward declaration of PIC init functions from ttcmap.c */
     63   FT_Error
     64   FT_Create_Class_tt_cmap_classes( FT_Library       library,
     65                                    TT_CMap_Class**  output_class );
     66 
     67   void
     68   FT_Destroy_Class_tt_cmap_classes( FT_Library      library,
     69                                     TT_CMap_Class*  clazz );
     70 
     71   void
     72   sfnt_module_class_pic_free( FT_Library  library )
     73   {
     74     FT_PIC_Container*  pic_container = &library->pic_container;
     75     FT_Memory  memory = library->memory;
     76 
     77 
     78     if ( pic_container->sfnt )
     79     {
     80       sfntModulePIC*  container = (sfntModulePIC*)pic_container->sfnt;
     81 
     82 
     83       if ( container->sfnt_services )
     84         FT_Destroy_Class_sfnt_services( library,
     85                                         container->sfnt_services );
     86       container->sfnt_services = NULL;
     87       if ( container->tt_cmap_classes )
     88         FT_Destroy_Class_tt_cmap_classes( library,
     89                                           container->tt_cmap_classes );
     90       container->tt_cmap_classes = NULL;
     91       FT_FREE( container );
     92       pic_container->sfnt = NULL;
     93     }
     94   }
     95 
     96 
     97   FT_Error
     98   sfnt_module_class_pic_init(  FT_Library library )
     99   {
    100     FT_PIC_Container*  pic_container = &library->pic_container;
    101     FT_Error           error = SFNT_Err_Ok;
    102     sfntModulePIC*     container;
    103     FT_Memory          memory = library->memory;
    104 
    105 
    106     /* allocate pointer, clear and set global container pointer */
    107     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
    108       return error;
    109     FT_MEM_SET( container, 0, sizeof ( *container ) );
    110     pic_container->sfnt = container;
    111 
    112     /* initialize pointer table - this is how the module usually expects this data */
    113     error = FT_Create_Class_sfnt_services( library,
    114                                            &container->sfnt_services );
    115     if ( error )
    116       goto Exit;
    117     error = FT_Create_Class_tt_cmap_classes( library,
    118                                              &container->tt_cmap_classes );
    119     if ( error )
    120       goto Exit;
    121 
    122     FT_Init_Class_sfnt_service_glyph_dict(
    123       library, &container->sfnt_service_glyph_dict );
    124     FT_Init_Class_sfnt_service_ps_name(
    125       library, &container->sfnt_service_ps_name );
    126     FT_Init_Class_tt_service_get_cmap_info(
    127       library, &container->tt_service_get_cmap_info );
    128     FT_Init_Class_sfnt_service_sfnt_table(
    129       &container->sfnt_service_sfnt_table );
    130 #ifdef TT_CONFIG_OPTION_BDF
    131     FT_Init_Class_sfnt_service_bdf( &container->sfnt_service_bdf );
    132 #endif
    133     FT_Init_Class_sfnt_interface( library, &container->sfnt_interface );
    134 
    135 Exit:
    136     if ( error )
    137       sfnt_module_class_pic_free( library );
    138     return error;
    139   }
    140 
    141 
    142 
    143 #endif /* FT_CONFIG_OPTION_PIC */
    144 
    145 
    146 /* END */
    147