/**?3DGPL?*************************************************\
?*?（）?????????????????????????????????????????????????????*
?*?2D?line?and?polygon?clipping.??????????????????????????*
?*????????????????????????????????????????????????????????*
?*?Defines:???????????????????????????????????????????????*
?*??C_init_clipping??????????Setting?bounds;??????????????*
?*??C_get_bounds?????????????Clipping?window;?????????????*
?*??C_set_bounds?????????????Impose?another?condition;????*
?*????????????????????????????????????????????????????????*
?*??C_line_x_clipping????????Clipping?a?line?horizontally;*
?*??C_line_y_clipping????????Clipping?a?line?vertically;??*
?*????????????????????????????????????????????????????????*
?*??C_polygon_x_clipping?????Horizontal?polygon?cliping.??*
?*????????????????????????????????????????????????????????*
?*?（c）?1995-98?Sergei?Savchenko?（savs@cs.mcgill.ca）??????*
\**********************************************************/
//Clipp2D.cpp

#include?“LightTrack.h“???????????/*?hardware?specific?stuff?*/
#include?“Clipper.h“?????????????/*?2D?macros?*/

int?C_2D_clipping;??????????????????????????/*?type?of?performed?clipping?*/
int?C_x_clipping_min=C_X_CLIPPING_MIN;??????/*?clipping?bounds?*/
int?C_x_clipping_max=C_X_CLIPPING_MAX;??????/*?default?values?*/
int?C_y_clipping_min=C_Y_CLIPPING_MIN;
int?C_y_clipping_max=C_Y_CLIPPING_MAX;

/**********************************************************\
?*?Setting?bounds?for?2D?clipping.????????????????????????*
?*????????????????????????????????????????????????????????*
?*?SETS:?C_x_clipping_min...C_y_clipping_max????????????*
?*?-----??????????????????????????????????????????????????*
\**********************************************************/

void?C_init_clipping（int?minxint?minyint?maxxint?maxy）
{
?C_x_clipping_min=minx;?????????????????????/*?no?error?checking...?*/
?C_y_clipping_min=miny;
?C_x_clipping_max=maxx;
?C_y_clipping_max=maxy;
}

/**********************************************************\
?*?Getting?current?state?of?bounds?for?2D?clipping.???????*
\**********************************************************/

void?C_get_bounds（int?*minxint?*minyint?*maxxint?*maxy）
{
?*minx=C_x_clipping_min;
?*miny=C_y_clipping_min;
?*maxx=C_x_clipping_max;
?*maxy=C_y_clipping_max;
}

/**********************************************************\
?*?Imposing?extra?set?of?bounds?for?2D?clipping.??????????*
?*????????????????????????????????????????????????????????*
?*?RETURNS:?0?when?no?clipping?window?exist;??????????????*
?*?--------?1?when?it?does?exist.?????????????????????????*
?*????????????????????????????????????????????????????????*
?*???+--------+??????merging?two?sets?of?conditions???????*
?*???|???+-------+???old?and?new.?Getting?an?intersection?*
?*???|???|////|??|???where?both?old?and?new?conditions????*
?*???+---|----+??|???are?valid.???????????????????????????*
?*???????+-------+???????????????????????

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

?????文件?????295000??2006-07-21?16:32??LightTrack.exe

?????文件???????2304??2004-04-27?09:18??LightTrack.h

?????文件?????107520??2006-07-21?16:32??LightTrack.ncb

?????文件??????56832??2006-07-21?16:32??LightTrack.opt

?????文件????????254??2006-07-21?16:32??LightTrack.plg

?????文件????????909??2006-07-21?14:20??LightTrack.sln

?????文件???????8704??2006-07-21?14:30??LightTrack.suo

?????文件??????11867??2006-07-21?14:33??LightTrack.vcproj

?????文件????????926??2006-07-21?16:31??tracer.dat

?????文件????????926??2004-04-27?22:15??TRACER.DAT.bak

?????文件??????18572??2006-07-21?14:33??Track.cpp

?????文件??????11517??2006-07-21?14:33??Track.h

?????文件??????20787??2006-07-21?14:16??Trans.cpp

?????文件???????3416??2004-04-15?12:11??Trans.h

?????文件??????20812??2006-07-21?14:16??TransBs.cpp

?????文件??????10473??2006-07-21?14:16??TransLn.cpp

?????文件???????8132??2006-07-02?20:44??Vector.cpp

?????文件???????1681??2004-04-11?14:25??Vector.h

?????文件??????11046??2006-07-21?14:16??Clipp2D.cpp

?????文件??????11328??2006-07-21?14:16??Clipp3D.cpp

?????文件???????2132??2006-07-21?14:16??Clipper.h

?????文件???????3869??2006-07-02?20:40??Colour.cpp

?????文件???????7296??2006-07-21?14:16??Colour.h

?????文件??????32377??2006-07-21?16:32??data.cpp

?????文件????????759??2004-04-11?14:19??data.h

?????文件??????22562??2006-07-02?20:41??Engbase.cpp

?????文件??????20192??2006-07-02?20:41??EngBcub.cpp

?????文件??????34290??2004-04-15?12:22??Engine.h

?????文件??????22551??2006-07-21?14:16??EngPoly.cpp

?????文件??????????0??2004-04-11?14:49??Graphics.cpp

............此處省略11個文件信息