www.pudn.com > viewImage.rar > ViewDIBDoc.cpp

// ViewDIBDoc.cpp : implementation of the CViewDIBDoc class 
// 
 
#include "stdafx.h" 
#include "ViewDIB.h" 
 
#include "ViewDIBDoc.h" 
#include "LoadTifDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CViewDIBDoc 
 
IMPLEMENT_DYNCREATE(CViewDIBDoc, CDocument) 
 
BEGIN_MESSAGE_MAP(CViewDIBDoc, CDocument) 
	//{{AFX_MSG_MAP(CViewDIBDoc) 
		// 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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CViewDIBDoc construction/destruction 
 
CViewDIBDoc::CViewDIBDoc() 
{ 
	m_pDib = new CDib; 
} 
 
CViewDIBDoc::~CViewDIBDoc() 
{ 
	delete m_pDib; 
} 
 
BOOL CViewDIBDoc::OnNewDocument() 
{ 
	if (!CDocument::OnNewDocument()) 
		return FALSE; 
 
	// TODO: add reinitialization code here 
	// (SDI documents will reuse this document) 
 
	return TRUE; 
} 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CViewDIBDoc serialization 
 
void CViewDIBDoc::Serialize(CArchive& ar) 
{ 
	m_pDib->Serialize(ar); 
	if (ar.IsStoring()) 
	{ 
		// TODO: add storing code here 
	} 
	else 
	{ 
		// TODO: add loading code here 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CViewDIBDoc diagnostics 
 
#ifdef _DEBUG 
void CViewDIBDoc::AssertValid() const 
{ 
	CDocument::AssertValid(); 
} 
 
void CViewDIBDoc::Dump(CDumpContext& dc) const 
{ 
	CDocument::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CViewDIBDoc commands 
 
BOOL CViewDIBDoc::OnOpenDocument(LPCTSTR lpszPathName)  
{ 
	char drive[_MAX_DRIVE];    
	char dir[_MAX_DIR]; 
	char fname[_MAX_FNAME];    
	char ext[_MAX_EXT]; 
	_splitpath(lpszPathName, drive, dir, fname, ext);    
 
	if (! stricmp(ext, ".gif")) // GIF file 
	{ 
		CGif gif; 
		if (! gif.Load(lpszPathName)) 
			return FALSE; 
 
		HDIB hDIB = CopyHandle(gif.GetDib()->GetHandle()); 
		if (hDIB == NULL) 
			return FALSE; 
 
		m_pDib->Attach(hDIB); 
	 
		return TRUE; 
	} 
	else if (! stricmp(ext, ".jpg") || 
			 ! stricmp(ext, ".jpe") || 
			 ! stricmp(ext, ".jpeg") ) // JPEG file 
	{ 
		CJpeg jpeg; 
		if (! jpeg.Load(lpszPathName)) 
			return FALSE; 
 
		HDIB hDIB = CopyHandle(jpeg.GetDib()->GetHandle()); 
		if (hDIB == NULL) 
			return FALSE; 
 
		m_pDib->Attach(hDIB); 
	 
		return TRUE; 
	} 
	else if (! stricmp(ext, ".pcx")) // PCX file 
	{ 
		CPcx pcx; 
		if (! pcx.Load(lpszPathName)) 
			return FALSE; 
 
		HDIB hDIB = CopyHandle(pcx.GetDib()->GetHandle()); 
		if (hDIB == NULL) 
			return FALSE; 
 
		m_pDib->Attach(hDIB); 
	 
		return TRUE; 
	} 
	else if (! stricmp(ext, ".tga")) // TGA file 
	{ 
		CTga tga; 
		if (! tga.Load(lpszPathName)) 
			return FALSE; 
 
		HDIB hDIB = CopyHandle(tga.GetDib()->GetHandle()); 
		if (hDIB == NULL) 
			return FALSE; 
 
		m_pDib->Attach(hDIB); 
	 
		return TRUE; 
	} 
	else if (! stricmp(ext, ".tif") || 
			 ! stricmp(ext, ".tiff")) // TIF file 
	{ 
		CTif tif; 
		if (! tif.Load(lpszPathName)) 
			return FALSE; 
 
		CLoadTifDlg loadTifDlg(lpszPathName, tif.m_wIFDNum); 
		if (loadTifDlg.DoModal() != IDOK) 
			return FALSE; 
 
		int *nPageList = new int[tif.m_wIFDNum]; 
		int nLoadPageNum = 0; 
		if (loadTifDlg.m_bLoadAll) 
		{ 
			nLoadPageNum = tif.m_wIFDNum; 
			for (int i=0; i=0 && nPage < tif.m_wIFDNum) 
					nPageList[nLoadPageNum++] = nPage; 
 
				if (nLoadPageNum >= tif.m_wIFDNum) 
					break; 
			} 
			if (nLoadPageNum < tif.m_wIFDNum) 
			{ 
				int nPage = atoi((LPCSTR)s) - 1; 
				if (nPage >=0 && nPage < tif.m_wIFDNum) 
					nPageList[nLoadPageNum++] = nPage; 
			} 
		} 
 
		if (nLoadPageNum == 0) 
			return FALSE; 
 
		CViewDIBApp* pApp = (CViewDIBApp *)AfxGetApp(); 
		for (int i=nLoadPageNum-1; i>0; i--) 
		{ 
			CString strTitle; 
			CString s = lpszPathName; 
			s += " p%d"; 
			strTitle.Format((LPCTSTR)s, nPageList[i]+1); 
			pApp->AddFile(CopyHandle(tif.m_DibList[nPageList[i]].GetHandle()), (LPCTSTR)strTitle); 
		} 
 
		// set the first selected page as current document 
		HDIB hDIB = CopyHandle(tif.m_DibList[nPageList[0]].GetHandle()); 
		if (hDIB == NULL) 
			return FALSE; 
		m_pDib->Attach(hDIB); 
 
		CString s = lpszPathName; 
		s += " p%d"; 
		m_strTifPathName.Format((LPCTSTR)s, nPageList[0]+1); 
		m_bLoadTif = TRUE; 
		pApp->AddToRecentFileList(lpszPathName); 
		SetModifiedFlag(TRUE); 
	 
		return TRUE; 
	} 
 
	return CDocument::OnOpenDocument(lpszPathName); 
}