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      1 /***************************************************************************/
      2 /*                                                                         */
      3 /*  cffpic.c                                                               */
      4 /*                                                                         */
      5 /*    The FreeType position independent code services for cff 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 "cffcmap.h"
     23 #include "cffpic.h"
     24 #include "cfferrs.h"
     25 
     26 #ifdef FT_CONFIG_OPTION_PIC
     27 
     28   /* forward declaration of PIC init functions from cffdrivr.c */
     29   FT_Error
     30   FT_Create_Class_cff_services(
     31     FT_Library           library,
     32     FT_ServiceDescRec**  output_class );
     33 
     34   void
     35   FT_Destroy_Class_cff_services(
     36     FT_Library          library,
     37     FT_ServiceDescRec*  clazz );
     38 
     39   void
     40   FT_Init_Class_cff_service_ps_info(
     41     FT_Library             library,
     42     FT_Service_PsInfoRec*  clazz );
     43 
     44   void
     45   FT_Init_Class_cff_service_glyph_dict(
     46     FT_Library                library,
     47     FT_Service_GlyphDictRec*  clazz );
     48 
     49   void
     50   FT_Init_Class_cff_service_ps_name(
     51     FT_Library                 library,
     52     FT_Service_PsFontNameRec*  clazz );
     53 
     54   void
     55   FT_Init_Class_cff_service_get_cmap_info(
     56     FT_Library              library,
     57     FT_Service_TTCMapsRec*  clazz );
     58 
     59   void
     60   FT_Init_Class_cff_service_cid_info(
     61     FT_Library          library,
     62     FT_Service_CIDRec*  clazz );
     63 
     64   /* forward declaration of PIC init functions from cffparse.c */
     65   FT_Error
     66   FT_Create_Class_cff_field_handlers(
     67     FT_Library           library,
     68     CFF_Field_Handler**  output_class );
     69 
     70   void
     71   FT_Destroy_Class_cff_field_handlers(
     72     FT_Library          library,
     73     CFF_Field_Handler*  clazz );
     74 
     75   void
     76   cff_driver_class_pic_free( FT_Library  library )
     77   {
     78     FT_PIC_Container*  pic_container = &library->pic_container;
     79     FT_Memory  memory = library->memory;
     80 
     81 
     82     if ( pic_container->cff )
     83     {
     84       CffModulePIC*  container = ( CffModulePIC* )pic_container->cff;
     85 
     86 
     87       if ( container->cff_services )
     88         FT_Destroy_Class_cff_services( library,
     89                                        container->cff_services );
     90       container->cff_services = NULL;
     91       if ( container->cff_field_handlers )
     92         FT_Destroy_Class_cff_field_handlers(
     93           library, container->cff_field_handlers );
     94       container->cff_field_handlers = NULL;
     95       FT_FREE( container );
     96       pic_container->cff = NULL;
     97     }
     98   }
     99 
    100 
    101   FT_Error
    102   cff_driver_class_pic_init( FT_Library  library )
    103   {
    104     FT_PIC_Container*  pic_container = &library->pic_container;
    105     FT_Error           error         = CFF_Err_Ok;
    106     CffModulePIC*      container;
    107     FT_Memory          memory        = library->memory;
    108 
    109 
    110     /* allocate pointer, clear and set global container pointer */
    111     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
    112       return error;
    113     FT_MEM_SET( container, 0, sizeof ( *container ) );
    114     pic_container->cff = container;
    115 
    116     /* initialize pointer table - this is how the module usually expects this data */
    117     error = FT_Create_Class_cff_services( library,
    118                                           &container->cff_services );
    119     if ( error )
    120       goto Exit;
    121     error = FT_Create_Class_cff_field_handlers(
    122               library, &container->cff_field_handlers );
    123     if ( error )
    124       goto Exit;
    125     FT_Init_Class_cff_service_ps_info(
    126       library, &container->cff_service_ps_info );
    127     FT_Init_Class_cff_service_glyph_dict(
    128       library, &container->cff_service_glyph_dict );
    129     FT_Init_Class_cff_service_ps_name(
    130       library, &container->cff_service_ps_name );
    131     FT_Init_Class_cff_service_get_cmap_info(
    132       library, &container->cff_service_get_cmap_info );
    133     FT_Init_Class_cff_service_cid_info(
    134       library, &container->cff_service_cid_info );
    135     FT_Init_Class_cff_cmap_encoding_class_rec(
    136       library, &container->cff_cmap_encoding_class_rec );
    137     FT_Init_Class_cff_cmap_unicode_class_rec(
    138       library, &container->cff_cmap_unicode_class_rec );
    139 Exit:
    140     if ( error )
    141       cff_driver_class_pic_free( library );
    142     return error;
    143   }
    144 
    145 #endif /* FT_CONFIG_OPTION_PIC */
    146 
    147 
    148 /* END */
    149