thirdparty/freetype-2.3.12/src/autofit/afpic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  afpic.c                                                                */
   4 /*                                                                         */
   5 /*    The FreeType position independent code services for autofit module.  */
   6 /*                                                                         */
   7 /*  Copyright 2009 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   FT_Error
  49   autofit_module_class_pic_init( FT_Library library )
  50   {
  51     FT_PIC_Container* pic_container = &library->pic_container;
  52     FT_UInt         ss;
  53     FT_Error        error = FT_Err_Ok;
  54     AFModulePIC*  container;
  55     FT_Memory memory = library->memory;
  56
  57     /* allocate pointer, clear and set global container pointer */
  58     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
  59       return error;
  60     FT_MEM_SET( container, 0, sizeof(*container) );
  61     pic_container->autofit = container;
  62
  63     /* initialize pointer table - this is how the module usually expects this data */
  64     for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ )
  65     {
  66       container->af_script_classes[ss] = &container->af_script_classes_rec[ss];
  67     }
  68     container->af_script_classes[AF_SCRIPT_CLASSES_COUNT-1] = NULL;
  69
  70     /* add call to initialization function when you add new scripts */
  71     ss = 0;
  72     FT_Init_Class_af_dummy_script_class(&container->af_script_classes_rec[ss++]);
  73 #ifdef FT_OPTION_AUTOFIT2
  74     FT_Init_Class_af_latin2_script_class(&container->af_script_classes_rec[ss++]);
  75 #endif
  76     FT_Init_Class_af_latin_script_class(&container->af_script_classes_rec[ss++]);
  77     FT_Init_Class_af_cjk_script_class(&container->af_script_classes_rec[ss++]);
  78     FT_Init_Class_af_indic_script_class(&container->af_script_classes_rec[ss++]);
  79
  80     FT_Init_Class_af_autofitter_service(library, &container->af_autofitter_service);
  81
  82 /*Exit:*/
  83     if(error)
  84       autofit_module_class_pic_free(library);
  85     return error;
  86   }
  87
  88
  89 #endif /* FT_CONFIG_OPTION_PIC */
  90
  91
  92 /* END */