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 "cffpic.h"

    23 

    24 #ifdef FT_CONFIG_OPTION_PIC

    25 

    26   /* forward declaration of PIC init functions from cffdrivr.c */

    27   FT_Error FT_Create_Class_cff_services( FT_Library, FT_ServiceDescRec**);

    28   void FT_Destroy_Class_cff_services( FT_Library, FT_ServiceDescRec*);

    29   void FT_Init_Class_cff_service_ps_info( FT_Library, FT_Service_PsInfoRec*);

    30   void FT_Init_Class_cff_service_glyph_dict( FT_Library, FT_Service_GlyphDictRec*);

    31   void FT_Init_Class_cff_service_ps_name( FT_Library, FT_Service_PsFontNameRec*);

    32   void FT_Init_Class_cff_service_get_cmap_info( FT_Library, FT_Service_TTCMapsRec*);

    33   void FT_Init_Class_cff_service_cid_info( FT_Library, FT_Service_CIDRec*);

    34 

    35   /* forward declaration of PIC init functions from cffparse.c */

    36   FT_Error FT_Create_Class_cff_field_handlers( FT_Library, CFF_Field_Handler**);

    37   void FT_Destroy_Class_cff_field_handlers( FT_Library, CFF_Field_Handler*);

    38 

    39   /* forward declaration of PIC init functions from cffcmap.c */

    40   void FT_Init_Class_cff_cmap_encoding_class_rec( FT_Library, FT_CMap_ClassRec*);

    41   void FT_Init_Class_cff_cmap_unicode_class_rec( FT_Library, FT_CMap_ClassRec*);

    42 

    43   void

    44   cff_driver_class_pic_free(  FT_Library library )

    45   {

    46     FT_PIC_Container* pic_container = &library->pic_container;

    47     FT_Memory memory = library->memory;

    48     if ( pic_container->cff )

    49     {

    50       CffModulePIC* container = (CffModulePIC*)pic_container->cff;

    51       if(container->cff_services)

    52         FT_Destroy_Class_cff_services(library, container->cff_services);

    53       container->cff_services = NULL;

    54       if(container->cff_field_handlers)

    55         FT_Destroy_Class_cff_field_handlers(library, container->cff_field_handlers);

    56       container->cff_field_handlers = NULL;

    57       FT_FREE( container );

    58       pic_container->cff = NULL;

    59     }

    60   }

    61 

    62 

    63   FT_Error

    64   cff_driver_class_pic_init( FT_Library  library )

    65   {

    66     FT_PIC_Container*  pic_container = &library->pic_container;

    67     FT_Error           error         = CFF_Err_Ok;

    68     CffModulePIC*      container;

    69     FT_Memory          memory        = library->memory;

    70 

    71 

    72     /* allocate pointer, clear and set global container pointer */

    73     if ( FT_ALLOC ( container, sizeof ( *container ) ) )

    74       return error;

    75     FT_MEM_SET( container, 0, sizeof ( *container ) );

    76     pic_container->cff = container;

    77 

    78     /* initialize pointer table - this is how the module usually expects this data */

    79     error = FT_Create_Class_cff_services(library, &container->cff_services);

    80     if(error) 

    81       goto Exit;

    82     error = FT_Create_Class_cff_field_handlers(library, &container->cff_field_handlers);

    83     if(error) 

    84       goto Exit;

    85     FT_Init_Class_cff_service_ps_info(library, &container->cff_service_ps_info);

    86     FT_Init_Class_cff_service_glyph_dict(library, &container->cff_service_glyph_dict);

    87     FT_Init_Class_cff_service_ps_name(library, &container->cff_service_ps_name);

    88     FT_Init_Class_cff_service_get_cmap_info(library, &container->cff_service_get_cmap_info);

    89     FT_Init_Class_cff_service_cid_info(library, &container->cff_service_cid_info);

    90     FT_Init_Class_cff_cmap_encoding_class_rec(library, &container->cff_cmap_encoding_class_rec);

    91     FT_Init_Class_cff_cmap_unicode_class_rec(library, &container->cff_cmap_unicode_class_rec);

    92 Exit:

    93     if(error)

    94       cff_driver_class_pic_free(library);

    95     return error;

    96   }

    97 

    98 #endif /* FT_CONFIG_OPTION_PIC */

    99 

   100 

   101 /* END */