//?clipLiang.cpp:?implementation?of?the?clipLiang?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“LiangClip.h“
#include?“clipLiang.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

clipLiang::clipLiang（）
{

}

clipLiang::~clipLiang（）
{

}

void?clipLiang::swapOpoints（）
{
	point[0].x=left;
	point[0].y=top;

	point[1].x=right;
	point[1].y=top;

	point[2].x=right;
	point[2].y=bottom;

	point[3].x=left;
	point[3].y=bottom;

	point[4].x=left;
	point[4].y=top;
}

void?clipLiang::DDA（CDC?*pDC?int?color）
{
	swapOpoints（）;

	for（int?i=0;i<5;i++）{
		float?k;
		double?dx=point[i].x-point[i+1].x;
		double?dy=point[i].y-point[i+1].y;

		if（dx!=0）
		{
			k=dy/dx;
			if（k>=-1&&k<=1）
			{
					
				if（point[i].x<=point[i+1].x）{
					int?x;
					float?y=point[i].y;
					for（x=point[i].x;x					{
						pDC->SetPixel（xint（y+0.5）color）;
						y=y+k;
					}
				}
				else
				{
					int?x;
					float?y=point[i+1].y;
					for（x=point[i+1].x;x					{
						pDC->SetPixel（xint（y+0.5）color）;
						y=y+k;
					}
				}
			}else{
				if（point[i].y<=point[i+1].y）
				{
					int?y;
					float?x=point[i].x;
					for（y=point[i].y;y					{
						pDC->SetPixel（int（x+0.5）ycolor）;
						x=x+1/k;
					}
				}
				else
				{
						int?y;
						float?x=point[i+1].x;
						for（y=point[i+1].y;y					{
						pDC->SetPixel（int（x+0.5）ycolor）;
						x=x+1/k;
					}
				}
			}
		}else{
			int?x=point[i].x;
			if（point[i].y<=point[i+1].y）
			{
				for（int?y=point[i].y;y					pDC->SetPixel（xycolor）;
				}
			}
			else
			{
				for（int?y=point[i+1].y;y					pDC->SetPixel（xycolor）;
				}
			}
		}
	}
}

void?clipLiang::LBClip（CDC*?pDC）
{
	for（int?i=0;i	{
		?float?dxdyu1u2;
		?int?dx1dx2dy1dy2;
		?u1=0.0;
		?u2=1.0;
		?dx1=points[i].x1;
???		?dy1=points[i].y1;
		?dx2=points[i].x2;
		?dy2=points[i].y2;

		?dx=dx2-dx1;
		?
		?if（ClipTest（-dxdx1-left&u1&u2））	?
				if（ClipTest（dxright-dx1&u1&u2））
				{
					?dy=dy2-dy1;

					?if（ClipTest（-dydy1-top&u1&u2））
					?{
						??if（ClipTest（dybottom-dy1&u1&u2））
						??{
					??			
							??if（u2<1.0）
							??{
								dx2=dx1+u2*dx;
								dy2=dy1+u2*dy;
							??}
									
								if（u1>0.0）
								{
									dx1=dx1+u1*dx;
									dy1=dy1+u1*dy;
								}
			
								CString?str1str2str3str4;


								str1.Format（“%d“dx1）;
								str2.Format（“%d“dy1）;
								str3.Format（“%d“dx2）;
								str4.Format（“%d“dy2）;

								pDC->TextOut（dx1-15dy1-15str1）;
			

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件???????4865??2015-12-08?18:47??LiangClip\clipLiang.cpp

?????文件????????977??2015-12-08?17:23??LiangClip\clipLiang.h

?????文件??????17811??2015-12-08?18:47??LiangClip\Debug\clipLiang.obj

?????文件??????????0??2015-12-08?19:14??LiangClip\Debug\clipLiang.sbr

?????文件????5129216??2015-12-11?20:31??LiangClip\Debug\LiangClip.bsc

?????文件?????127025??2015-12-11?20:31??LiangClip\Debug\LiangClip.exe

?????文件?????324900??2015-12-11?20:31??LiangClip\Debug\LiangClip.ilk

?????文件??????23167??2015-12-08?22:58??LiangClip\Debug\LiangClip.obj

?????文件????6946432??2015-12-06?18:28??LiangClip\Debug\LiangClip.pch

?????文件?????500736??2015-12-11?20:31??LiangClip\Debug\LiangClip.pdb

?????文件???????8420??2015-12-11?20:28??LiangClip\Debug\LiangClip.res

?????文件??????????0??2015-12-08?22:58??LiangClip\Debug\LiangClip.sbr

?????文件??????12791??2015-12-11?20:28??LiangClip\Debug\liangClipDlg.obj

?????文件??????????0??2015-12-11?20:28??LiangClip\Debug\liangClipDlg.sbr

?????文件??????14874??2015-12-06?18:28??LiangClip\Debug\LiangClipDoc.obj

?????文件??????????0??2015-12-06?18:28??LiangClip\Debug\LiangClipDoc.sbr

?????文件??????24230??2015-12-11?20:31??LiangClip\Debug\LiangClipView.obj

?????文件??????????0??2015-12-11?20:31??LiangClip\Debug\LiangClipView.sbr

?????文件??????19927??2015-12-06?18:28??LiangClip\Debug\MainFrm.obj

?????文件??????????0??2015-12-06?18:28??LiangClip\Debug\MainFrm.sbr

?????文件???????3988??2015-12-06?18:28??LiangClip\Debug\Points.obj

?????文件??????????0??2015-12-06?18:28??LiangClip\Debug\Points.sbr

?????文件?????105642??2015-12-06?18:28??LiangClip\Debug\StdAfx.obj

?????文件????1376078??2015-12-06?18:28??LiangClip\Debug\StdAfx.sbr

?????文件?????230400??2015-12-11?20:31??LiangClip\Debug\vc60.idb

?????文件?????372736??2015-12-11?20:31??LiangClip\Debug\vc60.pdb

?????文件??????46260??2015-12-11?20:28??LiangClip\LiangClip.aps

?????文件???????3826??2015-12-11?20:32??LiangClip\LiangClip.clw

?????文件???????4263??2015-12-06?15:26??LiangClip\LiangClip.cpp

?????文件???????5009??2015-12-06?19:56??LiangClip\LiangClip.dsp

............此處省略30個(gè)文件信息