src/third_party/freetype2/src/src/truetype/ttpic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ttpic.c                                                                */
   4 /*                                                                         */
   5 /*    The FreeType position independent code services for truetype 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 "ttpic.h"
  23
  24 #ifdef FT_CONFIG_OPTION_PIC
  25
  26   /* forward declaration of PIC init functions from ttdriver.c */
  27   FT_Error FT_Create_Class_tt_services( FT_Library, FT_ServiceDescRec**);
  28   void FT_Destroy_Class_tt_services( FT_Library, FT_ServiceDescRec*);
  29   void FT_Init_Class_tt_service_gx_multi_masters(FT_Service_MultiMastersRec*);
  30   void FT_Init_Class_tt_service_truetype_glyf(FT_Service_TTGlyfRec*);
  31
  32   void
  33   tt_driver_class_pic_free(  FT_Library library )
  34   {
  35     FT_PIC_Container* pic_container = &library->pic_container;
  36     FT_Memory memory = library->memory;
  37     if ( pic_container->truetype )
  38     {
  39       TTModulePIC* container = (TTModulePIC*)pic_container->truetype;
  40       if(container->tt_services)
  41         FT_Destroy_Class_tt_services(library, container->tt_services);
  42       container->tt_services = NULL;
  43       FT_FREE( container );
  44       pic_container->truetype = NULL;
  45     }
  46   }
  47
  48
  49   FT_Error
  50   tt_driver_class_pic_init( FT_Library  library )
  51   {
  52     FT_PIC_Container*  pic_container = &library->pic_container;
  53     FT_Error           error         = TT_Err_Ok;
  54     TTModulePIC*       container;
  55     FT_Memory          memory        = library->memory;
  56
  57
  58     /* allocate pointer, clear and set global container pointer */
  59     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
  60       return error;
  61     FT_MEM_SET( container, 0, sizeof(*container) );
  62     pic_container->truetype = container;
  63
  64     /* initialize pointer table - this is how the module usually expects this data */
  65     error = FT_Create_Class_tt_services(library, &container->tt_services);
  66     if(error)
  67       goto Exit;
  68 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
  69     FT_Init_Class_tt_service_gx_multi_masters(&container->tt_service_gx_multi_masters);
  70 #endif
  71     FT_Init_Class_tt_service_truetype_glyf(&container->tt_service_truetype_glyf);
  72 Exit:
  73     if(error)
  74       tt_driver_class_pic_free(library);
  75     return error;
  76   }
  77
  78 #endif /* FT_CONFIG_OPTION_PIC */
  79
  80
  81 /* END */