#include
#include
#include
#include
#include
#include
#include

#define?E?0.000001

bool?hasScale=false;

struct?Point
{
	float?x;
	float?y;
	int?code[4];//區域碼
};

Point?pointsOfLines[10];//五種類型的線的起始端點
Point?pointsOfQuad[4];//裁剪區域四邊形的點

//定義區域碼
int?code[9][4]=
{
	{1001}{1000}{1010}
	{0001}{0000}{0010}
	{0101}{0100}{0110}
};

void?init（void）
{
	glClearColor（1.01.01.00.0）;
	glMatrixMode（GL_PROJECTION）;
	gluOrtho2D（-300.0300.0-300.0300.0）;
	glTranslatef（10100）;
}



//確定某一點的區域碼
void?initPointCode（Point?*point）
{

	//左下角
	???if（point->xy	???{
		???for（int?j=0;j<4;++j）
		???{
?????????

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

?????文件?????148480??2013-04-25?22:26??中點分割裁剪算法\Debug\vc60.idb

?????文件??????86016??2013-04-25?22:26??中點分割裁剪算法\Debug\vc60.pdb

?????文件?????200781??2013-04-25?22:26??中點分割裁剪算法\Debug\中點分割裁剪算法.exe

?????文件?????220268??2013-04-25?22:26??中點分割裁剪算法\Debug\中點分割裁剪算法.ilk

?????文件????3753380??2013-04-25?00:01??中點分割裁剪算法\Debug\中點分割裁剪算法.pch

?????文件?????467968??2013-04-25?22:26??中點分割裁剪算法\Debug\中點分割裁剪算法.pdb

?????文件??????25773??2013-04-25?22:26??中點分割裁剪算法\Debug\重點分割裁剪.obj

?????文件???????4402??2013-04-25?12:56??中點分割裁剪算法\中點分割裁剪算法.dsp

?????文件????????540??2013-04-24?23:41??中點分割裁剪算法\中點分割裁剪算法.dsw

?????文件??????50176??2013-04-25?22:46??中點分割裁剪算法\中點分割裁剪算法.ncb

?????文件??????48640??2013-04-25?22:46??中點分割裁剪算法\中點分割裁剪算法.opt

?????文件????????933??2013-04-25?22:26??中點分割裁剪算法\中點分割裁剪算法.plg

?????文件???????7675??2013-04-25?22:27??中點分割裁剪算法\重點分割裁剪.cpp

?????文件??????77332??2013-04-25?22:45??2642_張光裕_中點分割裁剪算法.doc

?????目錄??????????0??2013-04-25?22:26??中點分割裁剪算法\Debug

?????目錄??????????0??2013-04-25?22:46??中點分割裁剪算法

?????文件??????58368??2013-04-24?23:37??實驗四new.ppt

-----------?---------??----------?-----??----

??????????????5150732????????????????????17