extension/SDL2_ttf-2.0.14/external/freetype-2.4.12/src/psnames/pspic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  pspic.c                                                                */
   4 /*                                                                         */
   5 /*    The FreeType position independent code services for psnames module.  */
   6 /*                                                                         */
   7 /*  Copyright 2009, 2010, 2012, 2013 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 "pspic.h"
  23 #include "psnamerr.h"
  24
  25
  26 #ifdef FT_CONFIG_OPTION_PIC
  27
  28   /* forward declaration of PIC init functions from psmodule.c */
  29   FT_Error
  30   FT_Create_Class_pscmaps_services( FT_Library           library,
  31                                     FT_ServiceDescRec**  output_class );
  32   void
  33   FT_Destroy_Class_pscmaps_services( FT_Library          library,
  34                                      FT_ServiceDescRec*  clazz );
  35
  36   void
  37   FT_Init_Class_pscmaps_interface( FT_Library              library,
  38                                    FT_Service_PsCMapsRec*  clazz );
  39
  40
  41   void
  42   psnames_module_class_pic_free( FT_Library  library )
  43   {
  44     FT_PIC_Container*  pic_container = &library->pic_container;
  45     FT_Memory          memory        = library->memory;
  46
  47
  48     if ( pic_container->psnames )
  49     {
  50       PSModulePIC*  container = (PSModulePIC*)pic_container->psnames;
  51
  52
  53       if ( container->pscmaps_services )
  54         FT_Destroy_Class_pscmaps_services( library,
  55                                            container->pscmaps_services );
  56       container->pscmaps_services = NULL;
  57       FT_FREE( container );
  58       pic_container->psnames = NULL;
  59     }
  60   }
  61
  62
  63   FT_Error
  64   psnames_module_class_pic_init( FT_Library  library )
  65   {
  66     FT_PIC_Container*  pic_container = &library->pic_container;
  67     FT_Error           error         = FT_Err_Ok;
  68     PSModulePIC*       container     = NULL;
  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->psnames = container;
  77
  78     /* initialize pointer table -                       */
  79     /* this is how the module usually expects this data */
  80     error = FT_Create_Class_pscmaps_services(
  81               library, &container->pscmaps_services );
  82     if ( error )
  83       goto Exit;
  84     FT_Init_Class_pscmaps_interface( library,
  85                                      &container->pscmaps_interface );
  86
  87   Exit:
  88     if ( error )
  89       psnames_module_class_pic_free( library );
  90     return error;
  91   }
  92
  93
  94 #endif /* FT_CONFIG_OPTION_PIC */
  95
  96
  97 /* END */