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// BDialog.cpp : implementation file
//
#include "stdafx.h"
#include "BDialog.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CBDialog dialog
CBDialog::CBDialog(UINT nIDTemplate, CWnd* pParent /*=NULL*/)
: CDialog(nIDTemplate, pParent)
{
//{{AFX_DATA_INIT(CBDialog)
// NOTE: the ClassWizard will add member initialization here
m_style=StyleTile;
//}}AFX_DATA_INIT
}
BEGIN_MESSAGE_MAP(CBDialog, CDialog)
//{{AFX_MSG_MAP(CBDialog)
ON_WM_ERASEBKGND()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CBDialog message handlers
BOOL CBDialog::OnEraseBkgnd(CDC* pDC)
{
CDialog::OnEraseBkgnd(pDC);
if(!m_bitmap.m_hObject)
return true;
CRect rect;
GetClientRect(&rect);
CDC dc;
dc.CreateCompatibleDC(pDC);
CBitmap* pOldBitmap = dc.SelectObject(&m_bitmap);
int bmw, bmh ;
BITMAP bmap;
m_bitmap.GetBitmap(&bmap);
bmw = bmap.bmWidth;
bmh = bmap.bmHeight;
int xo=0, yo=0;
if(m_style == StyleTile)
{
for (yo = 0; yo < rect.Height(); yo += bmh)
{
for (xo = 0; xo < rect.Width(); xo += bmw)
{
pDC->BitBlt (xo, yo, rect.Width(),
rect.Height(), &dc,
0, 0, SRCCOPY);
}
}
}
if(m_style == StyleCenter)
{
if(bmw < rect.Width())
xo = (rect.Width() - bmw)/2;
else
xo=0;
if(bmh < rect.Height())
yo = (rect.Height()-bmh)/2;
else
yo=0;
pDC->BitBlt (xo, yo, rect.Width(),
rect.Height(), &dc,
0, 0, SRCCOPY);
}
if(m_style == StyleStretch)
{
pDC->StretchBlt(xo, yo, rect.Width(),
rect.Height(), &dc,
0, 0,bmw,bmh, SRCCOPY);
}
dc.SelectObject(pOldBitmap);
return true;
}
void CBDialog::SetBitmapStyle(int style)
{
if((style==StyleTile)||
(style==StyleCenter)||
(style==StyleStretch))
{
m_style = style;
}
}
int CBDialog::SetBitmap(UINT nIDResource)
{
if(m_bitmap.LoadBitmap(nIDResource))
return 0;
else
return 1;//error
}
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Nish Nishant is a technology enthusiast from Columbus, Ohio. He has over 20 years of software industry experience in various roles including Chief Technology Officer, Senior Solution Architect, Lead Software Architect, Principal Software Engineer, and Engineering/Architecture Team Leader. Nish is a 14-time recipient of the Microsoft Visual C++ MVP Award.
Nish authored C++/CLI in Action for Manning Publications in 2005, and co-authored Extending MFC Applications with the .NET Framework for Addison Wesley in 2003. In addition, he has over 140 published technology articles on CodeProject.com and another 250+ blog articles on his WordPress blog. Nish is experienced in technology leadership, solution architecture, software architecture, cloud development (AWS and Azure), REST services, software engineering best practices, CI/CD, mentoring, and directing all stages of software development.
Nish's Technology Blog :
voidnish.wordpress.com