C / C++ / MFC

CImage imageOriginal;
imageOriginal.Load(_T( "read.tif" ));

// Here is the rect that we will copy from the original image (in this case 1/4 of it)
//CRect rectCopy(0, 0, imageOriginal.GetWidth() / 2, imageOriginal.GetHeight() / 2);

<code>CRect rectCopy(9177,68, 10566, 635);</code>

// Make a copy of the specific part
CImage imageNew;
imageNew.Create(rectCopy.Width(), rectCopy.Height(), imageOriginal.GetBPP());
imageOriginal.BitBlt(imageNew.GetDC(), rectCopy, rectCopy.TopLeft());
imageNew.Save(_T("D://imgnew.jpg"));

imageNew.ReleaseDC();

rajugis wrote:

when i gave this rect portion ..the saving images contains ..full black

// Check for color table after the creation of the new image
if(imageOriginal.IsIndexed())
{
	// If there is a color table for the original image
	// copy this table for the new image too.
	const int nMaxColors = imageOriginal.GetMaxColorTableEntries();
	RGBQUAD* pColorTable = new RGBQUAD[nMaxColors];
	imageOriginal.GetColorTable(0, nMaxColors, pColorTable);
	imageNew.SetColorTable(0, nMaxColors, pColorTable);
	delete [] pColorTable;
}

void CTestCImageAppDlg::OnBnClickedButtonTest()
{
	// First load the original image
	CImage imageOriginal;
	HRESULT hrLoad = imageOriginal.Load(_T("D:\\testImg1.tif"));
	if(FAILED(hrLoad))
	{
		CString msg;
		msg.Format(_T("Error on load. Code:%08x"), hrLoad);
		AfxMessageBox(msg);
		return;
	}
	
	// Here is the rect that we will copy from the original image (in this case 1/4 of it)
	CRect rectCopy(0, 0, imageOriginal.GetWidth() / 2, imageOriginal.GetHeight() / 2);

	// Create the new image
	CImage imageNew;
	imageNew.Create(rectCopy.Width(), rectCopy.Height(), imageOriginal.GetBPP());
	
	// Check the original image for color table 
        // after the creation of the new image
	if(imageOriginal.IsIndexed())
	{
		// If there is a color table for the original image
		// copy this table for the new image too.
		const int nMaxColors = imageOriginal.GetMaxColorTableEntries();
		RGBQUAD* pColorTable = new RGBQUAD[nMaxColors];
		imageOriginal.GetColorTable(0, nMaxColors, pColorTable);
		imageNew.SetColorTable(0, nMaxColors, pColorTable);
		delete [] pColorTable;
	}

        CRect rect(rectCopy);
        rect.OffsetRect(-rectCopy.left, -rectCopy.top);
	
        // Now we can blit the original image on the new image
	imageOriginal.BitBlt(imageNew.GetDC(), rect, rectCopy.TopLeft());

	// It is good to release the DC first
	imageNew.ReleaseDC();


	// Lets save the new image
	HRESULT hrSave = imageNew.Save(_T("D:\\testImg2.tif"), Gdiplus::ImageFormatTIFF);
	if(FAILED(hrSave))
	{
		CString msg;
		msg.Format(_T("Error on save. Code:%08x"),hrSave);
		AfxMessageBox(msg);
		return;
	}
}

hrishiS wrote:

how we compile them?

NOTIFYICONDATA  niData;
memset (&niData, 0, sizeof(niData);
niData.cbSize   = sizeof (niData);
niData.hWnd = m_hFrameWnd;
niData.uID  = 99;
niData.uFlags   = NIF_ICON;
niData.hIcon    = m_hTaskBarIcons [0];

Shell_NotifyIcon (NIM_ADD, &niData);

#if (NTDDI_VERSION >= NTDDI_VISTA)
    HICON hBalloonIcon;
#endif

Chesnokov Yuriy wrote:

What is the safe way to get the m_hThread handle?

Chesnokov Yuriy wrote:

And one of few such calls the application freezes completely.