/******************************************************************************
?*?$Id:?addtiffo.cv?1.6?2005/12/16?05:59:55?fwarmerdam?Exp?$
?*
?*?Project:??GeoTIFF?Overview?Builder
?*?Purpose:??Mainline?for?building?overviews?in?a?TIFF?file.
?*?Author:???Frank?Warmerdam?warmerdam@pobox.com
?*
?******************************************************************************
?*?Copyright?（c）?1999?Frank?Warmerdam
?*
?*?Permission?is?hereby?granted?free?of?charge?to?any?person?obtaining?a
?*?copy?of?this?software?and?associated?documentation?files?（the?“Software“）
?*?to?deal?in?the?Software?without?restriction?including?without?limitation
?*?the?rights?to?use?copy?modify?merge?publish?distribute?sublicense
?*?and/or?sell?copies?of?the?Software?and?to?permit?persons?to?whom?the
?*?Software?is?furnished?to?do?so?subject?to?the?following?conditions:
?*
?*?The?above?copyright?notice?and?this?permission?notice?shall?be?included
?*?in?all?copies?or?substantial?portions?of?the?Software.
?*
?*?THE?SOFTWARE?IS?PROVIDED?“AS?IS“?WITHOUT?WARRANTY?OF?ANY?KIND?EXPRESS
?*?OR?IMPLIED?INCLUDING?BUT?NOT?LIMITED?TO?THE?WARRANTIES?OF?MERCHANTABILITY
?*?FITNESS?FOR?A?PARTICULAR?PURPOSE?AND?NONINFRINGEMENT.?IN?NO?EVENT?SHALL
?*?THE?AUTHORS?OR?COPYRIGHT?HOLDERS?BE?LIABLE?FOR?ANY?CLAIM?DAMAGES?OR?OTHER
?*?LIABILITY?WHETHER?IN?AN?ACTION?OF?CONTRACT?TORT?OR?OTHERWISE?ARISING
?*?FROM?OUT?OF?OR?IN?CONNECTION?WITH?THE?SOFTWARE?OR?THE?USE?OR?OTHER
?*?DEALINGS?IN?THE?SOFTWARE.
?******************************************************************************
?*
?*?$Log:?addtiffo.cv?$
?*?Revision?1.6??2005/12/16?05:59:55??fwarmerdam
?*?Major?upgrade?to?support?YCbCr?subsampled?jpeg?images
?*
?*?Revision?1.4??2004/09/21?13:31:23??dron
?*?Add?missed?include?string.h.
?*
?*?Revision?1.3??2000/04/18?22:48:31??warmerda
?*?Added?support?for?averaging?resampling
?*
?*?Revision?1.2??2000/01/28?15:36:38??warmerda
?*?pass?TIFF?handle?instead?of?filename?to?overview?builder
?*
?*?Revision?1.1??1999/08/17?01:47:59??warmerda
?*?New
?*
?*?Revision?1.1??1999/03/12?17:46:32??warmerda
?*?New
?*
?*?Revision?1.2??1999/02/11?22:27:12??warmerda
?*?Added?multi-sample?support
?*
?*?Revision?1.1??1999/02/11?18:12:30??warmerda
?*?New
?*/

#include?
#include?
#include?
#include?“tiffio.h“

void?TIFFBuildOverviews（?TIFF?*?int?int?*?int?const?char?*
?????????????????????????int?（*）（doublevoid*）?void?*?）;

/************************************************************************/
/*????????????????????????????????main（）????????????????????????????????*/
/************************************************************************/

int?main（?int?argc?char?**?argv?）

{
????int		anOverviews[100];???/*?TODO:?un-hardwire?array?length?flexible?allocate?*/
????int		nOverviewCount?=?0;
????int		bUseSubIFD?=?0;
????TIFF	*hTIFF;
????const?char??*pszResampling?=?“nearest“;

/*?--------------------------------------------------------------------?*/
/*??????Usage:???