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FreeType on OpenGL ES (iPhone)

, 24 Nov 2010 CPOL
Faster, smarter and better looking fonts rendered with OpenGL ES
OpenGLFont.zip
OpenGLFont
.DS_Store
__MACOSX
OpenGLFont
._.DS_Store
arial.ttf
Classes
.DS_Store
Classes
._.DS_Store
EAGLView.mm
._EAGLView.mm
freetype-2.4.3
.DS_Store
freetype-2.4.3
._.DS_Store
.gitignore
include
.DS_Store
include
._.DS_Store
freetype
.DS_Store
freetype
._.DS_Store
config
config
internal
services
src
.DS_Store
src
._.DS_Store
OpenGLFontAppDelegate.mm
main.m
MainWindow.xib
OpenGLFont-Info.plist
._OpenGLFont-Info.plist
OpenGLFont.xcodeproj
lefty.mode1v3
lefty.pbxuser
project.pbxproj
OpenGLFont_Prefix.pch
Shaders
Shader.fsh
Shader.vsh
times.ttf
OpenGLFont_1.01.zip
.DS_Store
arial.ttf
.DS_Store
EAGLView.mm
.DS_Store
.gitignore
.DS_Store
.DS_Store
.DS_Store
OpenGLFontAppDelegate.mm
main.m
MainWindow.xib
OpenGLFont-Info.plist
lefty.mode1v3
lefty.pbxuser
project.pbxproj
Shader.fsh
Shader.vsh
times.ttf
/***************************************************************************/
/*                                                                         */
/*  ftbbox.h                                                               */
/*                                                                         */
/*    FreeType exact bbox computation (specification).                     */
/*                                                                         */
/*  Copyright 1996-2001, 2003, 2007 by                                     */
/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
/*                                                                         */
/*  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.                                        */
/*                                                                         */
/***************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* This component has a _single_ role: to compute exact outline bounding */
  /* boxes.                                                                */
  /*                                                                       */
  /* It is separated from the rest of the engine for various technical     */
  /* reasons.  It may well be integrated in `ftoutln' later.               */
  /*                                                                       */
  /*************************************************************************/


#ifndef __FTBBOX_H__
#define __FTBBOX_H__


#include <ft2build.h>
#include FT_FREETYPE_H

#ifdef FREETYPE_H
#error "freetype.h of FreeType 1 has been loaded!"
#error "Please fix the directory search order for header files"
#error "so that freetype.h of FreeType 2 is found first."
#endif


FT_BEGIN_HEADER


  /*************************************************************************/
  /*                                                                       */
  /* <Section>                                                             */
  /*    outline_processing                                                 */
  /*                                                                       */
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Outline_Get_BBox                                                */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Compute the exact bounding box of an outline.  This is slower      */
  /*    than computing the control box.  However, it uses an advanced      */
  /*    algorithm which returns _very_ quickly when the two boxes          */
  /*    coincide.  Otherwise, the outline Bézier arcs are traversed to     */
  /*    extract their extrema.                                             */
  /*                                                                       */
  /* <Input>                                                               */
  /*    outline :: A pointer to the source outline.                        */
  /*                                                                       */
  /* <Output>                                                              */
  /*    abbox   :: The outline's exact bounding box.                       */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0~means success.                             */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Outline_Get_BBox( FT_Outline*  outline,
                       FT_BBox     *abbox );


  /* */


FT_END_HEADER

#endif /* __FTBBOX_H__ */


/* END */


/* Local Variables: */
/* coding: utf-8    */
/* End:             */

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

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About the Author

ed welch
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.

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