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Convolution of Bitmaps

, 29 Mar 2006 142.3K 2.1K 42
Article discussing how to convolve images, specificially the convolution of bitmaps.
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// ImageConvolutionDoc.cpp : implementation of the CImageConvolutionDoc class
//

#include "stdafx.h"
#include "ImageConvolution.h"

#include "ImageConvolutionDoc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CImageConvolutionDoc

IMPLEMENT_DYNCREATE(CImageConvolutionDoc, CDocument)

BEGIN_MESSAGE_MAP(CImageConvolutionDoc, CDocument)
	//{{AFX_MSG_MAP(CImageConvolutionDoc)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CImageConvolutionDoc construction/destruction

CImageConvolutionDoc::CImageConvolutionDoc()
{
	// TODO: add one-time construction code here

}

CImageConvolutionDoc::~CImageConvolutionDoc()
{
}

BOOL CImageConvolutionDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)
	m_szFilename = _T("");
	m_bGrayscale = TRUE;
	m_bKernelLoaded = FALSE;

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CImageConvolutionDoc serialization

void CImageConvolutionDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CImageConvolutionDoc diagnostics

#ifdef _DEBUG
void CImageConvolutionDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CImageConvolutionDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CImageConvolutionDoc commands

BOOL CImageConvolutionDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
	if (!CDocument::OnOpenDocument(lpszPathName))
		return FALSE;
	
	// TODO: Add your specialized creation code here
	m_szFilename  = lpszPathName;
	m_bKernelLoaded = FALSE;
	
	return TRUE;
}

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About the Author

Fred Ackers
Web Developer
United States United States
Programming using MFC and ATL for almost 12 years now. Currently studying Operating System implementation as well as Image processing. Previously worked on DSP and the use of FFT for audio application. Programmed using ADO, ODBC, ATL, COM, MFC for shell interfacing, databasing tasks, Internet items, and customization programs.

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