/src/freetype/src/autofit/afpic.c

  1/***************************************************************************/
  2/*                                                                         */
  3/*  afpic.c                                                                */
  4/*                                                                         */
  5/*    The FreeType position independent code services for autofit module.  */
  6/*                                                                         */
  7/*  Copyright 2009, 2010, 2011 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#include "aferrors.h"
 24
 25#ifdef FT_CONFIG_OPTION_PIC
 26
 27  /* forward declaration of PIC init functions from afmodule.c */
 28  void FT_Init_Class_af_autofitter_service(
 29    FT_Library                 library,
 30    FT_AutoHinter_ServiceRec*  clazz );
 31
 32  /* forward declaration of PIC init functions from script classes */
 33#include "aflatin.h"
 34#ifdef FT_OPTION_AUTOFIT2
 35#include "aflatin2.h"
 36#endif
 37#include "afcjk.h"
 38#include "afdummy.h"
 39#include "afindic.h"
 40
 41  void
 42  autofit_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->autofit )
 49    {
 50      FT_FREE( pic_container->autofit );
 51      pic_container->autofit = NULL;
 52    }
 53  }
 54
 55
 56  FT_Error
 57  autofit_module_class_pic_init( FT_Library  library )
 58  {
 59    FT_PIC_Container*  pic_container = &library->pic_container;
 60    FT_UInt            ss;
 61    FT_Error           error         = AF_Err_Ok;
 62    AFModulePIC*       container;
 63    FT_Memory          memory        = library->memory;
 64
 65
 66    /* allocate pointer, clear and set global container pointer */
 67    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
 68      return error;
 69    FT_MEM_SET( container, 0, sizeof ( *container ) );
 70    pic_container->autofit = container;
 71
 72    /* initialize pointer table -                       */
 73    /* this is how the module usually expects this data */
 74    for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ )
 75    {
 76      container->af_script_classes[ss] =
 77        &container->af_script_classes_rec[ss];
 78    }
 79    container->af_script_classes[AF_SCRIPT_CLASSES_COUNT - 1] = NULL;
 80
 81    /* add call to initialization function when you add new scripts */
 82    ss = 0;
 83    FT_Init_Class_af_dummy_script_class(
 84      &container->af_script_classes_rec[ss++] );
 85#ifdef FT_OPTION_AUTOFIT2
 86    FT_Init_Class_af_latin2_script_class(
 87      &container->af_script_classes_rec[ss++] );
 88#endif
 89    FT_Init_Class_af_latin_script_class(
 90      &container->af_script_classes_rec[ss++] );
 91    FT_Init_Class_af_cjk_script_class(
 92      &container->af_script_classes_rec[ss++] );
 93    FT_Init_Class_af_indic_script_class(
 94      &container->af_script_classes_rec[ss++] );
 95
 96    FT_Init_Class_af_autofitter_service(
 97      library, &container->af_autofitter_service );
 98
 99/* Exit: */
100
101    if ( error )
102      autofit_module_class_pic_free( library );
103    return error;
104  }
105
106
107#endif /* FT_CONFIG_OPTION_PIC */
108
109
110/* END */