#include?“ggltools.h“

void?gltRasterText（double?x?double?y?const?char?*text?void?*font）
{
????if（text?==?NULL）?return?;
????
????glRasterPos2d（x?y）;
????for（int?i=0;?text[i]?!=?‘\0‘;?i++）
????{
????????glutBitmapCharacter（font?text[i]）;
????}?
}

void?gltLine2d（double?x0?double?y0?double?x1?double?y1）
{
????glBegin（GL_LINES）;
????????glVertex2d（x0?y0）;
????????glVertex2d（x1?y1）;
????glEnd（）;
}

void?gltRect2d（double?x0?double?y0?double?x1?double?y1）
{
????glBegin（GL_LINE_STRIP）;
????????glVertex2d（x0?y0）;
????????glVertex2d（x1?y0）;
????????
????????glVertex2d（x1?y1）;
????????
????????glVertex2d（x0?y1）;
????????
????????glVertex2d（x0?y0）;
????glEnd（）;
}

char?gltClipCode（const?GPoint2d?&pt?const?GPoint2d?&top?const?GPoint2d?&bottom）
{

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-04-10?18:44??lineandpolyClip\
?????目錄???????????0??2014-04-10?18:44??lineandpolyClip\clip\
?????文件????????4328??2014-04-08?20:59??lineandpolyClip\clip\Clip.dsp
?????文件?????????533??2010-08-29?22:29??lineandpolyClip\clip\Clip.dsw
?????文件??????173056??2014-04-09?21:35??lineandpolyClip\clip\Clip.ncb
?????文件??????100352??2014-04-09?21:35??lineandpolyClip\clip\Clip.opt
?????文件????????1242??2014-04-09?21:35??lineandpolyClip\clip\Clip.plg
?????目錄???????????0??2014-04-10?18:44??lineandpolyClip\clip\Debug\
?????文件??????227532??2010-08-29?22:31??lineandpolyClip\clip\Debug\Clip.ilk
?????文件??????343776??2010-08-29?22:30??lineandpolyClip\clip\Debug\Clip.pch
?????文件??????467968??2010-08-29?22:31??lineandpolyClip\clip\Debug\Clip.pdb
?????文件????????9812??2010-08-29?22:30??lineandpolyClip\clip\Debug\ggltools.obj
?????文件????????3863??2010-08-29?22:30??lineandpolyClip\clip\Debug\gpoint2d.obj
?????文件???????76972??2010-08-29?22:29??lineandpolyClip\clip\Debug\gpoint2darray.obj
?????文件???????17782??2010-08-29?22:31??lineandpolyClip\clip\Debug\main.obj
?????文件???????41984??2010-08-29?22:31??lineandpolyClip\clip\Debug\vc60.idb
?????文件???????53248??2010-08-29?22:31??lineandpolyClip\clip\Debug\vc60.pdb
?????文件????????6344??2014-04-09?21:35??lineandpolyClip\clip\ggltools.cpp
?????文件????????1229??2014-04-09?20:55??lineandpolyClip\clip\ggltools.h
?????文件?????????239??2014-04-01?21:03??lineandpolyClip\clip\gline.cpp
?????文件?????????656??2014-04-02?19:22??lineandpolyClip\clip\gline.h
?????文件?????????335??2005-12-19?21:13??lineandpolyClip\clip\gpoint2d.cpp
?????文件?????????514??2006-04-18?20:18??lineandpolyClip\clip\gpoint2d.h
?????文件????????1003??2014-04-08?20:20??lineandpolyClip\clip\gpoint2darrary.h
?????文件????????2125??2014-04-08?20:21??lineandpolyClip\clip\gpoint2darray.cpp
?????文件????????1003??2014-04-08?20:22??lineandpolyClip\clip\gpoint2darray.h
?????文件????????1597??2014-04-08?20:24??lineandpolyClip\clip\gpoly.cpp
?????文件?????????839??2014-04-09?20:36??lineandpolyClip\clip\gpoly.h
?????文件????????5527??2014-04-09?21:18??lineandpolyClip\clip\main.cpp
?????目錄???????????0??2014-04-10?18:44??lineandpolyClip\clip\Release\
?????文件???????61440??2014-04-09?21:35??lineandpolyClip\clip\Release\Clip.exe
............此處省略8個文件信息