?? yakiddlg.cpp
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// yakiddlg.cpp : implementation file
//
#include "stdafx.h"
#include "yakidawn.h"
#include "yakiddlg.h"
#include "dibapi.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CYakidawnDlg dialog
CYakidawnDlg::CYakidawnDlg(CWnd* pParent /*=NULL*/)
: CDialog(CYakidawnDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CYakidawnDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CYakidawnDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CYakidawnDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CYakidawnDlg, CDialog)
//{{AFX_MSG_MAP(CYakidawnDlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CYakidawnDlg message handlers
BOOL CYakidawnDlg::OnInitDialog()
{
CDialog::OnInitDialog();
//Create a CFile object for the DIB file.
CFile dibFile("yakidawn.bmp", CFile::modeRead);
//Read the DIB file into memory.
hdib = ::ReadDIBFile(dibFile);
if (!hdib)
{
MessageBox("Error reading DIB file.", MB_OK, NULL);
return TRUE;
}
//Create a logical palette from the DIB file's palette.
palette = new CPalette;
if (palette == NULL)
{
//If we can't create the CPalette object,
//we must be really low on memory.
::GlobalFree((HGLOBAL) hdib);
hdib = NULL;
AfxMessageBox("Not enough memory for palette.");
}
if (::CreateDIBPalette(hdib, palette) == NULL)
AfxMessageBox("Error creating palette from DIB.", MB_OK, NULL);
//Get the bitmap size.
LPSTR lpDIB = (LPSTR) ::GlobalLock((HGLOBAL) hdib);
int cxDIB = (int) ::DIBWidth(lpDIB);
int cyDIB = (int) ::DIBHeight(lpDIB);
::GlobalUnlock((HGLOBAL) hdib);
//Make the window the same size as the bitmap.
SetWindowPos(&wndTop, 0, 0, cxDIB, cyDIB, SWP_NOMOVE);
CenterWindow();
return TRUE; // return TRUE unless you set the focus to a control
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CYakidawnDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CPaintDC dc(this); // device context for painting.
//Set the output and DIB rectangle sizes to be
//equal to the bitmap size.
CRect outputRect;
CRect DIBRect;
DIBRect.left = DIBRect.top = 0;
LPSTR lpDIB = (LPSTR) ::GlobalLock((HGLOBAL) hdib);
DIBRect.right = (int) ::DIBWidth(lpDIB);
DIBRect.bottom = (int) ::DIBHeight(lpDIB);
::GlobalUnlock((HGLOBAL) hdib);
outputRect = DIBRect;
//Select and realize the palette.
dc.SelectPalette(palette, FALSE);
dc.RealizePalette();
//Display the bitmap.
if (::PaintDIB(dc.m_hDC, &outputRect, hdib, &DIBRect, palette) == NULL)
MessageBox("Error painting DIB");
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CYakidawnDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
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