Click here to Skip to main content
15,878,852 members
Articles / Multimedia / OpenGL

OAG Library (OpenGL) Part 2.3 - Drawing 2D Textures Using the Mouse and Programatically

Rate me:
Please Sign up or sign in to vote.
4.29/5 (6 votes)
22 Oct 2010CPOL3 min read 34K   1.3K   17  
This tutorial shows library code for 2D Textures and how to draw them programatically using the mouse in an MFC application.
/***************************************************************************/
/*                                                                         */
/*  ftcid.c                                                                */
/*                                                                         */
/*    FreeType API for accessing CID font information.                     */
/*                                                                         */
/*  Copyright 2007, 2009 by Derek Clegg, Michael Toftdal.                  */
/*                                                                         */
/*  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_CID_H
#include FT_INTERNAL_OBJECTS_H
#include FT_SERVICE_CID_H


  /* documentation is in ftcid.h */

  FT_EXPORT_DEF( FT_Error )
  FT_Get_CID_Registry_Ordering_Supplement( FT_Face       face,
                                           const char*  *registry,
                                           const char*  *ordering,
                                           FT_Int       *supplement)
  {
    FT_Error     error;
    const char*  r = NULL;
    const char*  o = NULL;
    FT_Int       s = 0;


    error = FT_Err_Invalid_Argument;

    if ( face )
    {
      FT_Service_CID  service;


      FT_FACE_FIND_SERVICE( face, service, CID );

      if ( service && service->get_ros )
        error = service->get_ros( face, &r, &o, &s );
    }

    if ( registry )
      *registry = r;

    if ( ordering )
      *ordering = o;

    if ( supplement )
      *supplement = s;

    return error;
  }


  FT_EXPORT_DEF( FT_Error )
  FT_Get_CID_Is_Internally_CID_Keyed( FT_Face   face,
                                      FT_Bool  *is_cid )
  {
    FT_Error  error = FT_Err_Invalid_Argument;
    FT_Bool   ic = 0;


    if ( face )
    {
      FT_Service_CID  service;


      FT_FACE_FIND_SERVICE( face, service, CID );

      if ( service && service->get_is_cid )
        error = service->get_is_cid( face, &ic);
    }

    if ( is_cid )
      *is_cid = ic;

    return error;
  }


  FT_EXPORT_DEF( FT_Error )
  FT_Get_CID_From_Glyph_Index( FT_Face   face,
                               FT_UInt   glyph_index,
                               FT_UInt  *cid )
  {
    FT_Error  error = FT_Err_Invalid_Argument;
    FT_UInt   c = 0;


    if ( face )
    {
      FT_Service_CID  service;


      FT_FACE_FIND_SERVICE( face, service, CID );

      if ( service && service->get_cid_from_glyph_index )
        error = service->get_cid_from_glyph_index( face, glyph_index, &c);
    }

    if ( cid )
      *cid = c;

    return error;
  }


/* 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
Brazil Brazil
I live in Matão, a small city in Brazil. I studied as Programmer in a College for Software Development in Database.
After finishing the College I have been working with java, c# and Computer Graphics with searches for OpenGL.

Comments and Discussions