1/***************************************************************************/
2/*                                                                         */
3/*  afpic.c                                                                */
4/*                                                                         */
5/*    The FreeType position independent code services for autofit 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 "afpic.h"
23
24#ifdef FT_CONFIG_OPTION_PIC
25
26  /* forward declaration of PIC init functions from afmodule.c */
27  void FT_Init_Class_af_autofitter_service( FT_Library, FT_AutoHinter_ServiceRec*);
28
29  /* forward declaration of PIC init functions from script classes */
30#include "aflatin.h"
31#include "aflatin2.h"
32#include "afcjk.h"
33#include "afdummy.h"
34#include "afindic.h"
35
36  void
37  autofit_module_class_pic_free( FT_Library library )
38  {
39    FT_PIC_Container* pic_container = &library->pic_container;
40    FT_Memory memory = library->memory;
41    if ( pic_container->autofit )
42    {
43      FT_FREE( pic_container->autofit );
44      pic_container->autofit = NULL;
45    }
46  }
47
48
49  FT_Error
50  autofit_module_class_pic_init( FT_Library  library )
51  {
52    FT_PIC_Container*  pic_container = &library->pic_container;
53    FT_UInt            ss;
54    FT_Error           error         = AF_Err_Ok;
55    AFModulePIC*       container;
56    FT_Memory          memory        = library->memory;
57
58
59    /* allocate pointer, clear and set global container pointer */
60    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
61      return error;
62    FT_MEM_SET( container, 0, sizeof ( *container ) );
63    pic_container->autofit = container;
64
65    /* initialize pointer table - this is how the module usually expects this data */
66    for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ )
67    {
68      container->af_script_classes[ss] = &container->af_script_classes_rec[ss];
69    }
70    container->af_script_classes[AF_SCRIPT_CLASSES_COUNT-1] = NULL;
71
72    /* add call to initialization function when you add new scripts */
73    ss = 0;
74    FT_Init_Class_af_dummy_script_class(&container->af_script_classes_rec[ss++]);
75#ifdef FT_OPTION_AUTOFIT2
76    FT_Init_Class_af_latin2_script_class(&container->af_script_classes_rec[ss++]);
77#endif
78    FT_Init_Class_af_latin_script_class(&container->af_script_classes_rec[ss++]);
79    FT_Init_Class_af_cjk_script_class(&container->af_script_classes_rec[ss++]);
80    FT_Init_Class_af_indic_script_class(&container->af_script_classes_rec[ss++]);
81
82    FT_Init_Class_af_autofitter_service(library, &container->af_autofitter_service);
83
84/*Exit:*/
85    if(error)
86      autofit_module_class_pic_free(library);
87    return error;
88  }
89
90
91#endif /* FT_CONFIG_OPTION_PIC */
92
93
94/* END */
95