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Viewing changes to src/3rdparty/freetype/include/freetype/ftbbox.h

  • Committer: Bazaar Package Importer
  • Author(s): Adam Conrad
  • Date: 2005-08-24 04:09:09 UTC
  • Revision ID: james.westby@ubuntu.com-20050824040909-xmxe9jfr4a0w5671
Tags: upstream-4.0.0
Import upstream version 4.0.0

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src/3rdparty/freetype/include/freetype/ftbbox.h
 
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/***************************************************************************/
 
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/*                                                                         */
 
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/*  ftbbox.h                                                               */
 
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/*                                                                         */
 
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/*    FreeType exact bbox computation (specification).                     */
 
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/*                                                                         */
 
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/*  Copyright 1996-2001, 2003 by                                           */
 
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/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 
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/*                                                                         */
 
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/*  This file is part of the FreeType project, and may only be used,       */
 
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/*  modified, and distributed under the terms of the FreeType project      */
 
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/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
 
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/*  this file you indicate that you have read the license and              */
 
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/*  understand and accept it fully.                                        */
 
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/*                                                                         */
 
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/***************************************************************************/
 
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  /*************************************************************************/
 
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  /*                                                                       */
 
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  /* This component has a _single_ role: to compute exact outline bounding */
 
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  /* boxes.                                                                */
 
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  /*                                                                       */
 
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  /* It is separated from the rest of the engine for various technical     */
 
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  /* reasons.  It may well be integrated in `ftoutln' later.               */
 
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  /*                                                                       */
 
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  /*************************************************************************/
 
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#ifndef __FTBBOX_H__
 
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#define __FTBBOX_H__
 
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#include <ft2build.h>
 
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#include FT_FREETYPE_H
 
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#ifdef FREETYPE_H
 
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#error "freetype.h of FreeType 1 has been loaded!"
 
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#error "Please fix the directory search order for header files"
 
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#error "so that freetype.h of FreeType 2 is found first."
 
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#endif
 
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FT_BEGIN_HEADER
 
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  /*************************************************************************/
 
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  /*                                                                       */
 
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  /* <Section>                                                             */
 
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  /*    outline_processing                                                 */
 
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  /*                                                                       */
 
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  /*************************************************************************/
 
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  /*************************************************************************/
 
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  /*                                                                       */
 
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  /* <Function>                                                            */
 
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  /*    FT_Outline_Get_BBox                                                */
 
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  /*                                                                       */
 
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  /* <Description>                                                         */
 
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  /*    Computes the exact bounding box of an outline.  This is slower     */
 
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  /*    than computing the control box.  However, it uses an advanced      */
 
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  /*    algorithm which returns _very_ quickly when the two boxes          */
 
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  /*    coincide.  Otherwise, the outline Bezier arcs are walked over to   */
 
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  /*    extract their extrema.                                             */
 
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  /*                                                                       */
 
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  /* <Input>                                                               */
 
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  /*    outline :: A pointer to the source outline.                        */
 
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  /*                                                                       */
 
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  /* <Output>                                                              */
 
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  /*    abbox   :: The outline's exact bounding box.                       */
 
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  /*                                                                       */
 
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  /* <Return>                                                              */
 
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  /*    FreeType error code.  0 means success.                             */
 
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  /*                                                                       */
 
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  FT_EXPORT( FT_Error )
 
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  FT_Outline_Get_BBox( FT_Outline*  outline,
 
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                       FT_BBox     *abbox );
 
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  /* */
 
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FT_END_HEADER
 
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#endif /* __FTBBOX_H__ */
 
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/* END */