[SOLVED] CS algorithm /***************************************************************************/

/***************************************************************************/
/* */
/*ftbbox.h */
/* */
/*FreeType exact bbox computation (specification). */
/* */
/*Copyright 1996-2015 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
#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

/*************************************************************************/
/* */
/*

/*************************************************************************/
/* */
/* */
/*FT_Outline_Get_BBox*/
/* */
/* */
/*Compute the exact bounding box of an outline.This is slower*/
/*than computing the control box.However, it uses an advanced*/
/*algorithm that returns _very_ quickly when the two boxes */
/*coincide.Otherwise, the outline Bzier arcs are traversed to */
/*extract their extrema. */
/* */
/**/
/*outline :: A pointer to the source outline.*/
/* */
/*

*/
/*abbox :: The outlines exact bounding box. */
/* */
/* */
/*FreeType error code.0~means success. */
/* */
/* */
/*If the font is tricky and the glyph has been loaded with */
/*@FT_LOAD_NO_SCALE, the resulting BBox is meaningless.To get*/
/*reasonable values for the BBox it is necessary to load the glyph */
/*at a large ppem value (so that the hinting instructions can*/
/*properly shift and scale the subglyphs), then extracting the BBox, */
/*which can be eventually converted back to font units.*/
/* */
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: */