www.pudn.com > roadextr.rar > roadextrDoc.cpp

// roadextrDoc.cpp : implementation of the CRoadextrDoc class 
// 
 
#include "stdafx.h" 
#include "roadextr.h" 
 
#include "roadextrDoc.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CRoadextrDoc 
 
IMPLEMENT_DYNCREATE(CRoadextrDoc, CDocument) 
 
BEGIN_MESSAGE_MAP(CRoadextrDoc, CDocument) 
	//{{AFX_MSG_MAP(CRoadextrDoc) 
		// 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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CRoadextrDoc construction/destruction 
 
CRoadextrDoc::CRoadextrDoc() 
{ 
	// TODO: add one-time construction code here 
	m_stretchMode =FALSE; 
	m_ZoomFactor =1; 
	image =NULL; 
} 
 
CRoadextrDoc::~CRoadextrDoc() 
{ 
} 
 
BOOL CRoadextrDoc::OnNewDocument() 
{ 
	if (!CDocument::OnNewDocument()) 
		return FALSE; 
 
	// TODO: add reinitialization code here 
	// (SDI documents will reuse this document) 
 
	return TRUE; 
} 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CRoadextrDoc serialization 
 
void CRoadextrDoc::Serialize(CArchive& ar) 
{ 
	if (ar.IsStoring()) 
	{ 
		// TODO: add storing code here 
	} 
	else 
	{ 
		// TODO: add loading code here 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CRoadextrDoc diagnostics 
 
#ifdef _DEBUG 
void CRoadextrDoc::AssertValid() const 
{ 
	CDocument::AssertValid(); 
} 
 
void CRoadextrDoc::Dump(CDumpContext& dc) const 
{ 
	CDocument::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CRoadextrDoc commands 
 
BOOL CRoadextrDoc::OnOpenDocument(LPCTSTR lpszPathName)  
{ 
	if (!CDocument::OnOpenDocument(lpszPathName)) 
		return FALSE; 
	 
	// TODO: Add your specialized creation code here 
		CString strPathL = lpszPathName; 
	CString ext(FindExtension(strPathL)); 
	ext.MakeLower(); 
	int type = FindType(ext); 
		 
	image = new CxImage(strPathL, type); 
	if (!image->IsValid()){ 
		AfxMessageBox(image->GetLastError()); 
		delete image; 
		image = NULL; 
		return FALSE; 
	} 
 
// 	UpdateAllViews(NULL,WM_USER_NEWIMAGE); 
	return TRUE; 
} 
 
 
 
 
CString CRoadextrDoc::FindExtension(const CString &name) 
{	 
	int len = name.GetLength(); 
	int i; 
	for (i = len-1; i >= 0; i--){ 
		if (name[i] == '.'){ 
			return name.Mid(i+1); 
		} 
	} 
	return CString(""); 
 
} 
 
int CRoadextrDoc::FindType(const CString &ext) 
{ 
	int type = 0; 
	if (ext == "bmp")					type = CXIMAGE_FORMAT_BMP; 
#if CXIMAGE_SUPPORT_JPG 
	else if (ext=="jpg"||ext=="jpeg")	type = CXIMAGE_FORMAT_JPG; 
#endif 
//#if CXIMAGE_SUPPORT_GIF 
//	else if (ext == "gif")				type = CXIMAGE_FORMAT_GIF; 
//#endif 
//#if CXIMAGE_SUPPORT_PNG 
//	else if (ext == "png")				type = CXIMAGE_FORMAT_PNG; 
//#endif 
//#if CXIMAGE_SUPPORT_MNG 
//	else if (ext=="mng"||ext=="jng")	type = CXIMAGE_FORMAT_MNG; 
//#endif 
//#if CXIMAGE_SUPPORT_ICO 
//	else if (ext == "ico")				type = CXIMAGE_FORMAT_ICO; 
//#endif 
//#if CXIMAGE_SUPPORT_TIF 
//	else if (ext=="tiff"||ext=="tif")	type = CXIMAGE_FORMAT_TIF; 
//#endif 
//#if CXIMAGE_SUPPORT_TGA 
//	else if (ext=="tga")				type = CXIMAGE_FORMAT_TGA; 
//#endif 
//#if CXIMAGE_SUPPORT_PCX 
//	else if (ext=="pcx")				type = CXIMAGE_FORMAT_PCX; 
//#endif 
//#if CXIMAGE_SUPPORT_WBMP 
//	else if (ext=="wbmp")				type = CXIMAGE_FORMAT_WBMP; 
//#endif 
//#if CXIMAGE_SUPPORT_WMF 
//	else if (ext=="wmf"||ext=="emf")	type = CXIMAGE_FORMAT_WMF; 
//#endif 
//#if CXIMAGE_SUPPORT_J2K 
//	else if (ext=="j2k"||ext=="jp2")	type = CXIMAGE_FORMAT_J2K; 
//#endif 
//#if CXIMAGE_SUPPORT_JBG 
//	else if (ext=="jbg")				type = CXIMAGE_FORMAT_JBG; 
//#endif 
//#if CXIMAGE_SUPPORT_JP2 
//	else if (ext=="jp2"||ext=="j2k")	type = CXIMAGE_FORMAT_JP2; 
//#endif 
//#if CXIMAGE_SUPPORT_JPC 
//	else if (ext=="jpc"||ext=="j2c")	type = CXIMAGE_FORMAT_JPC; 
//#endif 
//#if CXIMAGE_SUPPORT_PGX 
//	else if (ext=="pgx")				type = CXIMAGE_FORMAT_PGX; 
//#endif 
//#if CXIMAGE_SUPPORT_RAS 
//	else if (ext=="ras")				type = CXIMAGE_FORMAT_RAS; 
//#endif 
//#if CXIMAGE_SUPPORT_PNM 
//	else if (ext=="pnm"||ext=="pgm"||ext=="ppm") type = CXIMAGE_FORMAT_PNM; 
//#endif 
	else type = CXIMAGE_FORMAT_UNKNOWN; 
 
	return type; 
 
 
}