1/***************************************************************************/
2/*                                                                         */
3/*  ttpic.c                                                                */
4/*                                                                         */
5/*    The FreeType position independent code services for truetype 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 "../../include/ft2build.h"
20#include "../../include/freetype/freetype.h"
21#include "../../include/freetype/internal/ftobjs.h"
22#include "ttpic.h"
23#include "tterrors.h"
24
25
26#ifdef FT_CONFIG_OPTION_PIC
27
28  /* forward declaration of PIC init functions from ttdriver.c */
29  FT_Error
30  FT_Create_Class_tt_services( FT_Library           library,
31                               FT_ServiceDescRec**  output_class );
32  void
33  FT_Destroy_Class_tt_services( FT_Library          library,
34                                FT_ServiceDescRec*  clazz );
35  void
36  FT_Init_Class_tt_service_gx_multi_masters(
37    FT_Service_MultiMastersRec*  sv_mm );
38  void
39  FT_Init_Class_tt_service_truetype_glyf(
40    FT_Service_TTGlyfRec*  sv_ttglyf );
41
42
43  void
44  tt_driver_class_pic_free( FT_Library  library )
45  {
46    FT_PIC_Container*  pic_container = &library->pic_container;
47    FT_Memory          memory        = library->memory;
48
49
50    if ( pic_container->truetype )
51    {
52      TTModulePIC*  container = (TTModulePIC*)pic_container->truetype;
53
54
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