how to load bitmap in GUI using visual c++ express2010

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hello,is it possible to add bitmap(image) in dialog box(or GUI) which i created using create window in visual c++ express 2010.if so can you tell,the steps to do.

Actually I added the bitmap file in the resources( By right clicking on resouces -> Add -> Existing Item -> .bmp file) but it doesn't show me an ID for that bitmap file. I think, If I have that ID I can load the bitmap file into GUI programatically.

Thanks in advance
Anil

Posted 14-Sep-11 2:03am

anil03006

Updated 15-Sep-11 22:25pm

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

LaxmikantYadav · Answer 1 · 2011-09-15T01:23:00

CBitmap bmpHello;
bmpHello.LoadBitmap( IDB_HELLO );

// Calculate bitmap size using a BITMAP structure.
BITMAP bm;
bmpHello.GetObject( sizeof(BITMAP), &bm );

// Create a memory DC, select the bitmap into the
// memory DC, and BitBlt it into the view.
CDC dcMem;
dcMem.CreateCompatibleDC( pDC );
CBitmap* pbmpOld = dcMem.SelectObject( &bmpHello );
pDC->BitBlt( 10,10, bm.bmWidth, bm.bmHeight,
&dcMem, 0,0, SRCCOPY );

// Reselect the original bitmap into the memory DC.
dcMem.SelectObject( pbmpOld );

CDP1802 · Answer 2 · 2011-09-14T04:11:00

I assume you are talking about Win32, a traditional Windows program.

In a dialog I would simply add a picture control from the toolbox to the dialog and fill in the image. Look here to get a start with dialogs:

Win32 dialogs
[^]

In a normal Window you must do the painting yourself. For that you will need to process the WM_PAINT Message[^] and then load and paint your Image with help of the GDI (graphics device interface)[^]

mbue · Answer 3 · 2011-09-17T03:21:00

Solution 3

You can load images from files too:

C++

  HBITMAP  hbmp = (HBITMAP)LoadImage(0,__T("myimage.bmp"),IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
  // use the bitmap handle and finally destroy it
  if(hbmp) DeleteObject(hbmp);

Good luck.

Posted 17-Sep-11 3:21am

mbue

Comments

Member 9500147 5-Nov-12 2:15am

The picture control i have created in resource file.I want to add an image on a picture control from a file. And also i want to link two dialog boxes using picture control. I am stuck over here please help me guys ..!
thnx in advance .

mbue 5-Nov-12 7:41am

Little example to apply the bitmap to the control:



#pragma once
#define WIN32_LEAN_AND_MEAN
#include <windows.h>

// multibyte or unicode
#include <tchar.h>

// needed libraries
#pragma comment (lib,"user32.lib")
#pragma comment (lib,"gdi32.lib")

// 32 vs. 64 bit
#ifdef _WIN64
	#define	SET_DWL_USER(H,P)		SetWindowLongPtr(H,DWLP_USER,(LONG_PTR)P)
	#define	GET_DWL_USER(H)			GetWindowLongPtr(H,DWLP_USER)
#else
	#define	SET_DWL_USER(H,P)		SetWindowLong(H,DWL_USER,(long)P)
	#define	GET_DWL_USER(H)			GetWindowLong(H,DWL_USER)
#endif

/////////
// simple dialog class
class CMyDlg
{
public:
	CMyDlg(HINSTANCE h);
	~CMyDlg();

	int		DoModal(const int idd);

private:
	static INT_PTR FAR PASCAL	__dlg(HWND h,unsigned int m,WPARAM w,LPARAM l);

	HINSTANCE	_hinst;
	HBITMAP		_hbmp;
};

// dialog message handler
INT_PTR FAR PASCAL CMyDlg::__dlg(HWND h,unsigned int m,WPARAM w,LPARAM l)
{
	CMyDlg*	This = (CMyDlg*)GET_DWL_USER(h);
	switch(m)
	{
		case WM_INITDIALOG:
		{
			// attach my this pointer to the dialog
			This = (CMyDlg*)l; SET_DWL_USER(h,This);

			// delete if already loaded
			if(This->_hbmp) DeleteObject(This->_hbmp);
			// load the image from file
			This->_hbmp = (HBITMAP)LoadImage(0,__T("myimage.bmp"),IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
			if(This->_hbmp)
			{
				HWND	hctrl;

				hctrl = GetDlgItem(h,101);
				if(IsWindow(hctrl))
				{
					// attach image to the control
					SendMessage(hctrl,STM_SETIMAGE,IMAGE_BITMAP,(LPARAM)This->_hbmp);
				}
				hctrl = GetDlgItem(h,102);
				if(IsWindow(hctrl))
				{
					// attach image to another control
					SendMessage(hctrl,STM_SETIMAGE,IMAGE_BITMAP,(LPARAM)This->_hbmp);
				}
			}
		}
		break;
		case WM_COMMAND:
			switch(LOWORD(w))
			{
				// end the dialog and quit
				case     IDOK: EndDialog(h,LOWORD(w)); break;
				case IDCANCEL: EndDialog(h,LOWORD(w)); break;
			}
		break;
	}
	return 0;
}

CMyDlg::CMyDlg(HINSTANCE h)
{
	_hinst = h;
	_hbmp  = 0;
}

CMyDlg::~CMyDlg()
{
	// finally delete object
	if(_hbmp) DeleteObject(_hbmp);
}

int CMyDlg::DoModal(const int idd)
{
	HRSRC				hres = FindResource(_hinst,MAKEINTRESOURCE(idd),RT_DIALOG);
	HGLOBAL			hdlg = hres ? LoadResource(_hinst,hres):0;
	// find resource handle and show dialog here
	return hdlg?(int)DialogBoxIndirectParam(_hinst,(LPCDLGTEMPLATE)LockResource(hdlg),(HWND)0,__dlg,(LONG_PTR)this):0;
}

/////////
// program starts here
int FAR PASCAL _tWinMain(HINSTANCE h,HINSTANCE p,LPTSTR c,int sw)
{
	CMyDlg	dlg(h);
	return dlg.DoModal(100);
}

how to load bitmap in GUI using visual c++ express2010

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