Compaq iPAQ h3760 Datenblatt PDF herunterladen (Seite 30)

ENEE408G Fall 2003 (Update 09/23/2003)

Mobile Computing and Pocket PC Programming

// TODO: Add extra initialization here

// Add you own initialization here Æ

bExistFile = FALSE;

//Å

return TRUE; // return TRUE unless you set the focus to a control

}

// #############################################

// ## Open File ##

// #############################################

void CImageProcPPCDlg::OnButtonOpenfile()

{

// TODO: Add your control notification handler code here

// Add your own codes here Æ

// Construct the Open File Window

CString strFilter = "Bitmap Files (*.bmp)|*.bmp|All Files (*.*) |*.*||";

CfileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY|OFN_EXPLORER, strFilter, NULL);

if (dlg.DoModal() == IDOK) { // if open file window works

if( m_pDib.Load(dlg.GetPathName()) == TRUE ){ // load Bitmap to DibSectionLite class

if( m_pDib.GetBitCount() != 24 ){ // currently, we only deal with 24 bps Bitmap

MessageBox(_T("Must be 24 bits"));

bExistFile = FALSE;

return;}

sz = m_pDib.GetSize(); // get dimension of bitmap and allocate memory for Image Processing

if( bExistFile == TRUE ){ // if a previous bitmap exists, delete the allocated memory and new one

delete[] dibit;}

else{ bExistFile = TRUE; }

dibit = new BYTE[3*sz.cx*sz.cy]; }}

else{ // if fail to open a file and load a bitmap

MessageBox(_T("Fail to load MBP"));

return; }

// Å

}

// #################################

// ## Save File ##

// #################################

void CImageProcPPCDlg::OnButtonSavefile()

{

// TODO: Add your control notification handler code here

// Add your own codes here Æ

// Construct the Save File Window

CString strFilter = "Bitmap Files (*.bmp)|*.bmp|All Files (*.*) |*.*||";

CfileDialog dlg(FALSE, NULL, NULL, OFN_HIDEREADONLY|OFN_EXPLORER, strFilter, NULL);

if( bExistFile == TRUE ){ // we cannot save a bitmap without any existing bitmap in memory

if (dlg.DoModal() == IDOK) {

if( m_pDib.Save(dlg.GetPathName()) == FALSE ){

MessageBox(_T("Fail to save MBP"));

return;}}}

// Å

}

// ###########################################################

// ## Image Processing ( display red component ) ##

// ###########################################################

void CImageProcPPCDlg::OnButtonRed()

{

// TODO: Add your control notification handler code here

// Add your own codes here Æ

long i;

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