exifvwview.cpp

随着计算机信息技术的飞速发展

// ExifVwView.cpp : CExifVwView 类的实现
//

#include "stdafx.h"
#include "ExifVw.h"

#include "ExifVwDoc.h"
#include "ExifVwView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CExifVwView

IMPLEMENT_DYNCREATE(CExifVwView, CScrollView)

BEGIN_MESSAGE_MAP(CExifVwView, CScrollView)
	ON_WM_CREATE()
	ON_COMMAND(ID_130, On130)
	ON_WM_DESTROY()
END_MESSAGE_MAP()

// CExifVwView 构造/销毁

CExifVwView::CExifVwView()
{
	// TODO: 在此处添加构造代码

}

CExifVwView::~CExifVwView()
{
}

BOOL CExifVwView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CScrollView::PreCreateWindow(cs);
}

// CExifVwView 绘制

void CExifVwView::OnDraw(CDC* pDC)
{
	CExifVwDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// TODO: 在此处为本机数据添加绘制代码
	if(!m_PathFile.IsEmpty())
	{
		BOOL br=m_Img.Draw(pDC->m_hDC,0,0,m_ImgWidth,m_ImgHeight,0,0,m_ImgWidth,m_ImgHeight);
		VERIFY(br!=0);
	}
}

void CExifVwView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();
	CSize sizeTotal;
	// TODO: 计算此视图的合计大小
	sizeTotal.cx = sizeTotal.cy = 100;
	SetScrollSizes(MM_TEXT, sizeTotal);
}


// CExifVwView 诊断

#ifdef _DEBUG
void CExifVwView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CExifVwView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

CExifVwDoc* CExifVwView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CExifVwDoc)));
	return (CExifVwDoc*)m_pDocument;
}
#endif //_DEBUG


// CExifVwView 消息处理程序

int CExifVwView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CScrollView::OnCreate(lpCreateStruct) == -1)
		return -1;

	// TODO:  在此添加您专用的创建代码
	GetCurrentDirectory(MAX_PATH,m_CurrDir);
	if(m_CurrDir[lstrlen(m_CurrDir)-1]!='\\') StrCat(m_CurrDir,"\\");
	m_ImgWidth=m_ImgHeight=0;
	m_PathFile="";

	return 0;
}

void CExifVwView::OnDestroy()
{
	CScrollView::OnDestroy();

	// TODO: 在此添加消息处理程序代码
	if(!m_Img.IsNull()) 
	{
		m_Img.Detach();
		m_Img.Destroy();
	}
}

void CExifVwView::On130()
{	//数码照片
	// TODO: 在此添加命令处理程序代码
	TCHAR filter[]="数码照片 (*.jpg)|*.jpg|所有文件 (*.*)|*.*||";
	CFileDialog FileDlg(1,0,0,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,filter,this);
	TCHAR CurrDir[MAX_PATH];
	CClientDC cdc(this);
	INT_PTR ipr;

	StrCpy(CurrDir,m_CurrDir);
	ipr=FileDlg.DoModal();
	if(IDOK==ipr)
	{
		m_PathFile=FileDlg.GetPathName();
		m_Exif.GetPhotoProp(m_hWnd,m_PathFile);

		PreparePhoto(m_PathFile);
		RedrawWindow();
		
		StrCat(CurrDir,FileDlg.GetFileTitle());
		StrCat(CurrDir,".txt");
		DisplayProp(CurrDir);
	}
}

void CExifVwView::PreparePhoto(CString PathFile)
{
	CSize size;
	
	if(!m_Img.IsNull()) 
	{
		m_Img.Detach();
		m_Img.Destroy();
	}

	m_Img.Load(PathFile);
	m_ImgWidth=m_Img.GetWidth();
	m_ImgHeight=m_Img.GetHeight();

	size.cx=m_ImgWidth;
	size.cy=m_ImgHeight;
	SetScrollSizes(MM_TEXT,size);
}

void CExifVwView::DisplayProp(CString file)
{
	CString tag[]=
	{
		"PropertyTagEquipMake",
		"PropertyTagEquipModel",
		"PropertyTagExifDTOrig",
		"PropertyTagDateTime",
		"PropertyTagExifExposureTime",
		"PropertyTagExifFNumber",
		"PropertyTagExifFocalLength",
		"PropertyTagExifFlash",
		"PropertyTagExifISOSpeed",
		"PropertyTagExifLightSource",
		"PropertyTagExifExposureProg",
		"PropertyTagExifMeteringMode",
		"PropertyTagExifShutterSpeed",
		"PropertyTagExifBrightness",
		"PropertyTagExifExposureBias",
		"PropertyTagExifPixXDim",
		"PropertyTagExifPixYDim",
		"PropertyTagExifSensingMethod",
		"PropertyTagExifMakerNote",
		"PropertyTagThumbnailData"
	};
	TCHAR info[80];
	ExifInfo ei;
	FILE* fp;
	BOOL br;
	int n,i;

	n=sizeof(tag)/sizeof(tag[0]);
	fp=fopen(file,"w");
	for(i=0;i<n;++i)
	{
		br=m_Exif.GetNameAndInfoByTag(tag[i],ei);
		if(br)
		{
			sprintf(info,"%s：\t%s\r\n",ei.name,ei.info);
			fwrite(info,1,lstrlen(info),fp);
		}
	}
	fclose(fp);

	ShellExecute(m_hWnd,"open",file,0,0,SW_SHOWNORMAL);
}