/*
?*?cdjpeg.c
?*
?*?Copyright?（C）?1991-1997?Thomas?G.?Lane.
?*?This?file?is?part?of?the?Independent?JPEG?Group‘s?software.
?*?For?conditions?of?distribution?and?use?see?the?accompanying?README?file.
?*
?*?This?file?contains?common?support?routines?used?by?the?IJG?application
?*?programs?（cjpeg?djpeg?jpegtran）.
?*/

#include?“cdjpeg.h“		/*?Common?decls?for?cjpeg/djpeg?applications?*/
#include?		/*?to?declare?isupper（）?tolower（）?*/
#ifdef?NEED_SIGNAL_CATCHER
#include?		/*?to?declare?signal（）?*/
#endif
#ifdef?USE_SETMODE
#include?		/*?to?declare?setmode（）‘s?parameter?macros?*/
/*?If?you?have?setmode（）?but?not??just?delete?this?line:?*/
#include?			/*?to?declare?setmode（）?*/
#endif


/*
?*?Signal?catcher?to?ensure?that?temporary?files?are?removed?before?aborting.
?*?NB:?for?Amiga?Manx?C?this?is?actually?a?global?routine?named?_abort（）;
?*?we?put?“#define?signal_catcher?_abort“?in?jconfig.h.??Talk?about?bogus...
?*/

#ifdef?NEED_SIGNAL_CATCHER

static?j_common_ptr?sig_cinfo;

void				/*?must?be?global?for?Manx?C?*/
signal_catcher?（int?signum）
{
??if?（sig_cinfo?!=?NULL）
??{
????if?（sig_cinfo->err?!=?NULL）?/*?turn?off?trace?output?*/
??????sig_cinfo->err->trace_level?=?0;
????jpeg_destroy（sig_cinfo）;	/*?clean?up?memory?allocation?&?temp?files?*/
??}
??exit（EXIT_FAILURE）;
}


GLOBAL（void）
enable_signal_catcher?（j_common_ptr?cinfo）
{
??sig_cinfo?=?cinfo;
#ifdef?SIGINT			/*?not?all?systems?have?SIGINT?*/
??signal（SIGINT?signal_catcher）;
#endif
#ifdef?SIGTERM			/*?not?all?systems?have?SIGTERM?*/
??signal（SIGTERM?signal_catcher）;
#endif
}

#endif


/*
?*?Optional?progress?monitor:?display?a?percent-done?figure?on?stderr.
?*/

#ifdef?PROGRESS_REPORT

METHODDEF（void）
progress_monitor?（j_common_ptr?cinfo）
{
??cd_progress_ptr?prog?=?（cd_progress_ptr）?cinfo->progress;
??int?total_passes?=?prog->pub.total_passes?+?prog->total_extra_passes;
??int?percent_done?=?（int）?（prog->pub.pass_counter*100L/prog->pub.pass_limit）;

??if?（percent_done?!=?prog->percent_done）?
??{
????prog->percent_done?=?percent_done;
????if?（total_passes?>?1）
	{
??????fprintf（stderr?“\rPass?%d/%d:?%3d%%?“
	??????prog->pub.completed_passes?+?prog->completed_extra_passes?+?1
	??????total_passes?percent_done）;
????}?else?{
??????fprintf（stderr?“\r?%3d%%?“?percent_done）;
????}
????fflush（stderr）;
??}
}


GLOBAL（void）
start_progress_monitor?（j_common_ptr?cinfo?cd_progress_ptr?progress）
{
??/*?Enable?progress?display?unless?trace?output?is?on?*/
??if?（cinfo->err->trace_level?==?0）?{
????progress->pub.progress_monitor?=?progress_monitor;
????progress->completed_extra_passes?=?0;
????progress->total_extra_passes?=?0;
????progress->percent_done?=?-1;
????cinfo->progress?=?&progress->pub;
??}
}


GLOBAL（void）
end_progress_monitor?（j_common_ptr?cinfo）
{
??/*?Clear?away?progress?display?*/
??if?（cinfo->err->trace_level?==?0）?{
????fprintf（stder

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????5381??1997-12-17?22:50??JPEG\djpeg\cderror.h

?????文件???????4876??2009-08-27?09:38??JPEG\djpeg\cdjpeg.c

?????文件???????6308??2009-08-26?15:13??JPEG\djpeg\cdjpeg.h

?????文件??????20166??2009-08-13?15:09??JPEG\djpeg\cjpeg.c

?????文件???????6255??2000-08-10?12:56??JPEG\djpeg\cjpeg.dsp

?????文件????????533??2000-01-04?22:39??JPEG\djpeg\cjpeg.dsw

?????文件?????123904??2009-11-12?19:55??JPEG\djpeg\cjpeg.ncb

?????文件??????48640??2009-11-12?19:55??JPEG\djpeg\cjpeg.opt

?????文件????????244??2009-11-12?19:55??JPEG\djpeg\cjpeg.plg

?????文件???????1948??2009-09-10?17:00??JPEG\djpeg\cjpeg.sln

????..A..H.?????26624??2009-09-10?17:00??JPEG\djpeg\cjpeg.suo

?????文件??????19481??2009-09-10?14:57??JPEG\djpeg\cjpeg.vcproj

?????文件??????12568??1994-08-03?03:26??JPEG\djpeg\ckconfig.c

?????文件????2880054??2009-09-04?14:37??JPEG\djpeg\Debug\20.bmp

?????文件?????208475??2009-11-11?19:44??JPEG\djpeg\Debug\20.jpg

?????文件????2880016??2009-11-12?19:55??JPEG\djpeg\Debug\20rec.bmp

?????文件???????4669??2009-11-11?19:41??JPEG\djpeg\Debug\cdjpeg.obj

?????文件??????33512??2009-11-11?19:41??JPEG\djpeg\Debug\cdjpeg.sbr

?????文件?????352339??2009-11-11?19:41??JPEG\djpeg\Debug\cjpeg.exe

?????文件?????308744??2009-11-11?19:41??JPEG\djpeg\Debug\cjpeg.ilk

?????文件??????34039??2009-11-11?19:41??JPEG\djpeg\Debug\cjpeg.obj

?????文件?????259704??2009-11-11?19:41??JPEG\djpeg\Debug\cjpeg.pch

?????文件?????607232??2009-11-11?19:41??JPEG\djpeg\Debug\cjpeg.pdb

?????文件??????31777??2009-11-11?19:41??JPEG\djpeg\Debug\cjpeg.sbr

?????文件?????????23??2009-11-11?19:44??JPEG\djpeg\Debug\CJPEG.txt

?????文件?????????26??2009-11-12?19:54??JPEG\djpeg\Debug\DJPEG.bat

?????文件?????397395??2009-11-11?19:45??JPEG\djpeg\Debug\djpeg.exe

?????文件?????311432??2009-11-11?19:45??JPEG\djpeg\Debug\djpeg.ilk

?????文件??????37266??2009-11-11?19:45??JPEG\djpeg\Debug\djpeg.obj

?????文件?????259704??2009-11-11?19:45??JPEG\djpeg\Debug\djpeg.pch

............此處省略561個文件信息