Click here to Skip to main content
15,892,809 members
Articles / Mobile Apps / iPhone

FreeType on OpenGL ES (iPhone)

Rate me:
Please Sign up or sign in to vote.
4.75/5 (10 votes)
24 Nov 2010CPOL4 min read 86.8K   3K   27  
Faster, smarter and better looking fonts rendered with OpenGL ES
/***************************************************************************/
/*                                                                         */
/*  sfntpic.c                                                              */
/*                                                                         */
/*    The FreeType position independent code services for sfnt module.     */
/*                                                                         */
/*  Copyright 2009, 2010 by                                                */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "sfntpic.h"

#ifdef FT_CONFIG_OPTION_PIC

  /* forward declaration of PIC init functions from sfdriver.c */
  FT_Error FT_Create_Class_sfnt_services( FT_Library, FT_ServiceDescRec**);
  void FT_Destroy_Class_sfnt_services( FT_Library, FT_ServiceDescRec*);
  void FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*);
  void FT_Init_Class_sfnt_interface( FT_Library, SFNT_Interface*);
  void FT_Init_Class_sfnt_service_glyph_dict( FT_Library, FT_Service_GlyphDictRec*);
  void FT_Init_Class_sfnt_service_ps_name( FT_Library, FT_Service_PsFontNameRec*);
  void FT_Init_Class_tt_service_get_cmap_info( FT_Library, FT_Service_TTCMapsRec*);
  void FT_Init_Class_sfnt_service_sfnt_table( FT_Service_SFNT_TableRec*);

  /* forward declaration of PIC init functions from ttcmap.c */
  FT_Error FT_Create_Class_tt_cmap_classes( FT_Library, TT_CMap_Class**);
  void FT_Destroy_Class_tt_cmap_classes( FT_Library, TT_CMap_Class*);

  void
  sfnt_module_class_pic_free(  FT_Library library )
  {
    FT_PIC_Container* pic_container = &library->pic_container;
    FT_Memory memory = library->memory;
    if ( pic_container->sfnt )
    {
      sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt;
      if(container->sfnt_services)
        FT_Destroy_Class_sfnt_services(library, container->sfnt_services);
      container->sfnt_services = NULL;
      if(container->tt_cmap_classes)
        FT_Destroy_Class_tt_cmap_classes(library, container->tt_cmap_classes);
      container->tt_cmap_classes = NULL;
      FT_FREE( container );
      pic_container->sfnt = NULL;
    }
  }


  FT_Error
  sfnt_module_class_pic_init(  FT_Library library )
  {
    FT_PIC_Container*  pic_container = &library->pic_container;
    FT_Error           error = SFNT_Err_Ok;
    sfntModulePIC*     container;
    FT_Memory          memory = library->memory;


    /* allocate pointer, clear and set global container pointer */
    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
      return error;
    FT_MEM_SET( container, 0, sizeof ( *container ) );
    pic_container->sfnt = container;

    /* initialize pointer table - this is how the module usually expects this data */
    error = FT_Create_Class_sfnt_services(library, &container->sfnt_services);
    if(error) 
      goto Exit;
    error = FT_Create_Class_tt_cmap_classes(library, &container->tt_cmap_classes);
    if(error) 
      goto Exit;
    FT_Init_Class_sfnt_service_glyph_dict(library, &container->sfnt_service_glyph_dict);
    FT_Init_Class_sfnt_service_ps_name(library, &container->sfnt_service_ps_name);
    FT_Init_Class_tt_service_get_cmap_info(library, &container->tt_service_get_cmap_info);
    FT_Init_Class_sfnt_service_sfnt_table(&container->sfnt_service_sfnt_table);
#ifdef TT_CONFIG_OPTION_BDF
    FT_Init_Class_sfnt_service_bdf(&container->sfnt_service_bdf);
#endif
    FT_Init_Class_sfnt_interface(library, &container->sfnt_interface);

Exit:
    if(error)
      sfnt_module_class_pic_free(library);
    return error;
  }



#endif /* FT_CONFIG_OPTION_PIC */


/* END */

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer Astronautz
Spain Spain
After working in the software industry for many years, I've started my own games company that specialises in strategy games for mobile platforms.

Comments and Discussions