13551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/***************************************************************************/
23551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*                                                                         */
33551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  ttpic.c                                                                */
43551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*                                                                         */
53551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*    The FreeType position independent code services for truetype module. */
63551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*                                                                         */
73551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  Copyright 2009, 2010, 2012, 2013 by                                    */
83551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  Oran Agra and Mickey Gabel.                                            */
93551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*                                                                         */
103551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  This file is part of the FreeType project, and may only be used,       */
111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci/*  modified, and distributed under the terms of the FreeType project      */
123551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
133551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  this file you indicate that you have read the license and              */
143551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*  understand and accept it fully.                                        */
153551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/*                                                                         */
163551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)/***************************************************************************/
173551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
183551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
193551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include <ft2build.h>
203551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include FT_FREETYPE_H
2158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include FT_INTERNAL_OBJECTS_H
223551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "ttpic.h"
233551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "tterrors.h"
243551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
253551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
263551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#ifdef FT_CONFIG_OPTION_PIC
273551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
283551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  /* forward declaration of PIC init functions from ttdriver.c */
293551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  FT_Error
303551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  FT_Create_Class_tt_services( FT_Library           library,
313551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)                               FT_ServiceDescRec**  output_class );
323551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  void
333551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  FT_Destroy_Class_tt_services( FT_Library          library,
343551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)                                FT_ServiceDescRec*  clazz );
353551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  void
363551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  FT_Init_Class_tt_service_gx_multi_masters(
373551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)    FT_Service_MultiMastersRec*  sv_mm );
383551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  void
393551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  FT_Init_Class_tt_service_truetype_glyf(
403551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)    FT_Service_TTGlyfRec*  sv_ttglyf );
413551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
423551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
433551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  void
443551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  tt_driver_class_pic_free( FT_Library  library )
453551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)  {
463551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)    FT_PIC_Container*  pic_container = &library->pic_container;
473551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)    FT_Memory          memory        = library->memory;
483551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
493551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
503551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)    if ( pic_container->truetype )
513551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)    {
523551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)      TTModulePIC*  container = (TTModulePIC*)pic_container->truetype;
533551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
543551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)
55      if ( container->tt_services )
56        FT_Destroy_Class_tt_services( library, container->tt_services );
57      container->tt_services = NULL;
58      FT_FREE( container );
59      pic_container->truetype = NULL;
60    }
61  }
62
63
64  FT_Error
65  tt_driver_class_pic_init( FT_Library  library )
66  {
67    FT_PIC_Container*  pic_container = &library->pic_container;
68    FT_Error           error         = FT_Err_Ok;
69    TTModulePIC*       container     = NULL;
70    FT_Memory          memory        = library->memory;
71
72
73    /* allocate pointer, clear and set global container pointer */
74    if ( FT_ALLOC( container, sizeof ( *container ) ) )
75      return error;
76    FT_MEM_SET( container, 0, sizeof ( *container ) );
77    pic_container->truetype = container;
78
79    /* initialize pointer table - this is how the module usually */
80    /* expects this data                                         */
81    error = FT_Create_Class_tt_services( library,
82                                         &container->tt_services );
83    if ( error )
84      goto Exit;
85#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
86    FT_Init_Class_tt_service_gx_multi_masters(
87      &container->tt_service_gx_multi_masters );
88#endif
89    FT_Init_Class_tt_service_truetype_glyf(
90      &container->tt_service_truetype_glyf );
91
92  Exit:
93    if ( error )
94      tt_driver_class_pic_free( library );
95    return error;
96  }
97
98#endif /* FT_CONFIG_OPTION_PIC */
99
100
101/* END */
102