CImg CImg::operator | (CImg& gray)
{
	CImg grayRet = *this;
	
	int nHeight = GetHeight();
	int nWidth = GetWidthPixel();
	
	if(nHeight != gray.GetHeight())
	{
		AfxMessageBox("计算或运算的两幅图像必须具有相同的大小!运算失败,返回原图像。");
		return grayRet;
	}

	if(nWidth != gray.GetWidthPixel())
	{
		AfxMessageBox("计算或运算的两幅图像必须具有相同的大小!运算失败,返回原图像。");
		return grayRet;
	}


	// 两幅图像的或
	for(int i=0; i<nHeight; i++)
	{
		for(int j=0; j<nWidth; j++)
		{
			if(gray.GetGray(j, i) == 0)
				grayRet.SetPixel(j, i, RGB(0, 0, 0));
		}
	}

	return grayRet;
}
BOOL CImg::operator == (CImg& gray)
{
	int nHeight = GetHeight();
	int nWidth = GetWidthPixel();

	if(nHeight != gray.GetHeight())
		return false;

	if(nWidth != gray.GetWidthPixel())
		return false;


	for(int i=0; i<nHeight; i++)
	{
		for(int j=0; j<nWidth; j++)
		{
			if( GetGray(j, i) != gray.GetGray(j, i) )
				return false;
		}
	}

	return true;
}
Example #3
0
CImg* CDimageView::Move(int x, int y ,bool ifresize, CImg* pImg)
{
	CImg* newImg = new CImg(*pImg);
	//改变新图像大小
	int old_width,old_height,width,height;
	width=old_width=newImg->GetWidthPixel();
	height=old_height=newImg->GetHeight();

	//if(!ifunchange)
	//{
	//	width=old_width+x;
	//	height=old_height+y;
	//	if((width<=0)||(height<=0))
	//	{
	//		CString test("妈呀,图都被你整没了!");
	//		CString title("数值有误");
	//		MessageBox(test,title,0);
	//		return NULL;
	//	}
	//}

	if(ifresize)
	{	
		width=old_width+x;
		height=old_height+y;
		newImg->ImResize(height,width);
	}


	int i0,j0,i,j;
	COLORREF color;

	
	for(i=0;i<width;i++)
		for(j=0;j<height;j++)
		{
			i0=i-x;j0=j-y;
			if((i0>=0)&&(i0<old_width)&&(j0>=0)&&(j0<old_height))
			{
				color=pImg->GetPixel(i0,j0);
			}
			else
			{	
				color=RGB(255,255,255);
				//if(!ifunchange)
				//	color=RGB(255,255,255);
				//else
				//{
				//	if(!ifloop)
				//		color=RGB(255,255,255);
				//	else
				//	{
				//		i0=i0%width;
				//		j0=j0%height;
				//		if(i0<0)
				//			i0+=width;
				//		if(i0>=width)
				//			i0-=width;
				//		if(j0<0)
				//			j0+=height;
			 // 			if(j0>=height)
				//			j0-=height;
				//		color=pImg->GetPixel(i0,j0);
				//	}
				//}
			}
			newImg->SetPixel(i,j,color);
		}
	return newImg;
}