src/third_party/freetype2/src/src/cff/cffpic.c

   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 */