将Mat图像显示到MFC PictureControl控件上

void CCameraTimeDlg::ShowMatImage(Mat& src)
{
	try
	{
		if (src.empty())//没有图像时推出
		{
			return;
		}

		BITMAPINFO *pBmpInfo1;
		if(src.channels()== 1)//灰度图像显示
		{
			pBmpInfo1=(BITMAPINFO *)new char[sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)];bmp图信息头	
			pBmpInfo1->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
			pBmpInfo1->bmiHeader.biWidth = src.cols;//src_rec.Width();
			pBmpInfo1->bmiHeader.biHeight =-src.rows; //-src_rec.Height();//为负值
			pBmpInfo1->bmiHeader.biPlanes = 1;
			pBmpInfo1->bmiHeader.biBitCount = 8;//八位
			pBmpInfo1->bmiHeader.biCompression = BI_RGB;
			pBmpInfo1->bmiHeader.biSizeImage = 0;
			pBmpInfo1->bmiHeader.biXPelsPerMeter = 0;
			pBmpInfo1->bmiHeader.biYPelsPerMeter = 0;
			pBmpInfo1->bmiHeader.biClrUsed = 0;
			pBmpInfo1->bmiHeader.biClrImportant = 0;

			for(int i = 0;i<256;i++)//只有灰度图像需要颜色表
			{
				pBmpInfo1->bmiColors[i].rgbBlue = pBmpInfo1->bmiColors[i].rgbGreen = pBmpInfo1->bmiColors[i].rgbRed = (BYTE)i;
				pBmpInfo1->bmiColors[i].rgbReserved = 0;
			}
		}
		if(src.channels()== 3)
		{
			pBmpInfo1=(BITMAPINFO*) new char[sizeof(BITMAPINFOHEADER)];
			pBmpInfo1->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
			pBmpInfo1->bmiHeader.biWidth = src.cols;//src_rec.Width();
			pBmpInfo1->bmiHeader.biHeight =-src.rows; //-src_rec.Height();//为负值
			pBmpInfo1->bmiHeader.biPlanes = 1;
			pBmpInfo1->bmiHeader.biBitCount = 24;//24位
			pBmpInfo1->bmiHeader.biCompression = BI_RGB;
			pBmpInfo1->bmiHeader.biSizeImage = 0;
			pBmpInfo1->bmiHeader.biXPelsPerMeter = 0;
			pBmpInfo1->bmiHeader.biYPelsPerMeter = 0;
			pBmpInfo1->bmiHeader.biClrUsed = 0;
			pBmpInfo1->bmiHeader.biClrImportant = 0;
		}
		HDC h_dc=GetDlgItem(IDC_PIC_Corrected)->GetDC()->GetSafeHdc();
		CRect BoxSize;
		GetDlgItem(IDC_PIC_Corrected)->GetClientRect(&BoxSize);
		SetStretchBltMode(
			h_dc,           // handle to device context
			HALFTONE );

		int jj=StretchDIBits(h_dc,BoxSize.left,BoxSize.top,BoxSize.Width(),BoxSize.Height(),0,0,src.cols,src.rows,(void *)src.data,
			(BITMAPINFO*)pBmpInfo1,DIB_RGB_COLORS,SRCCOPY);
		delete []pBmpInfo1;

		return;
	}
	catch (...)
	{
		return;
	}
}

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