image.cpp

遍历文件夹所有的JPG和BMP文件

// Image.cpp : implementation file
//

#include "stdafx.h"
#include "picture.h"
#include "Image.h"
#include <imaging.h>
#include <initguid.h>
#include <imgguids.h>
#include "Image.h"
#include "pictureDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// Image dialog
int aa,bb,cc,dd;
int ii=4;
int ll;
bool mybool=FALSE;
bool btnbool=TRUE;
RECT rect={7,39,698,450};
int jj=0;
CString namestr;//得到图片的名字
Image::Image(CWnd* pParent /*=NULL*/)
	: CDialog(Image::IDD, pParent)
{
	//{{AFX_DATA_INIT(Image)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void Image::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Image)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Image, CDialog)
	//{{AFX_MSG_MAP(Image)
	ON_WM_PAINT()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	ON_BN_CLICKED(IDC_BUTTON6, OnButton6)
	ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
	ON_WM_LBUTTONUP()
	ON_BN_CLICKED(IDC_BUTTON8, OnButton8)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Image message handlers

BOOL Image::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void Image::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	//*******画背景********//

	CDC memory;
	mycbitmap=new CBitmap;
	mycbitmap->LoadBitmap(IDB_BITMAP2);
	memory.CreateCompatibleDC(&dc);
	memory.SelectObject(mycbitmap);
	RECT myrect;
	GetWindowRect(&myrect);
	dc.BitBlt(0,0,myrect.right-myrect.left,myrect.bottom-myrect.top,&memory,0,0,SRCCOPY);

	//*********画图片********//
	CDC memory1;
	mycbitmap1=new CBitmap;
	memory1.CreateCompatibleDC(&dc);
    myhbitmap1=drow(namestr);
	mycbitmap1=CBitmap::FromHandle(myhbitmap1);
	BITMAP mybmp1;
    mycbitmap1->GetBitmap(&mybmp1);
	memory1.SelectObject(mycbitmap1);
	RECT myrect1;
	GetWindowRect(&myrect1);
	aa=myrect1.right-myrect1.left;
	bb=myrect1.bottom-myrect1.top;
	cc=400;
	dd=240;
	if(mybool)//mybool为真执行全屏操作
	{
		dc.StretchBlt(0,0,aa,bb,&memory1,0,0,mybmp1.bmWidth,mybmp1.bmHeight,SRCCOPY);//StretchBlt()完成图片的缩放功能
		mybool=FALSE;
	}
	else
	{
		dc.StretchBlt((cc-90)-(80*ii/2),(dd-20)-(48*ii/2),80+(80*ii),48+(48*ii),&memory1,0,0,mybmp1.bmWidth,mybmp1.bmHeight,SRCCOPY);
	}
	
	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages


	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages
}
//********等到文件名*************//
void Image::Getimagename(CString str)
{
   namestr=str;
}
//*********把图片画到内存*********//
HBITMAP Image::drow(CString strFileName)
{
	IImage* m_pImage = NULL;
	IImagingFactory* m_pImagingFactory = NULL;
    CoInitializeEx(NULL, COINIT_MULTITHREADED);
	HRESULT hr = CoCreateInstance(CLSID_ImagingFactory,	NULL,CLSCTX_INPROC_SERVER,IID_IImagingFactory,(void **)&m_pImagingFactory);
	HBITMAP hBitmap = 0;
	ImageInfo imageInfo;
	
	if (SUCCEEDED(hr))
	{
		hr = m_pImagingFactory->CreateImageFromFile(strFileName, &m_pImage);//从内存中读取图片
		if (FAILED(hr)) 
		{ 
			return 0; 
		} 
		
		m_pImage->GetImageInfo(&imageInfo);
		
		CWindowDC dc(0); 
        CDC dcBitmap; 
        dcBitmap.CreateCompatibleDC(&dc); 
		hBitmap = CreateCompatibleBitmap(dc.GetSafeHdc(), imageInfo.Width, imageInfo.Height); 
		
		if (hBitmap) 
		{ 
            HGDIOBJ hOldBitmap = dcBitmap.SelectObject(hBitmap); 
            m_pImage->Draw(dcBitmap.GetSafeHdc(), CRect(0, 0, imageInfo.Width, imageInfo.Height), NULL); 
            dcBitmap.SelectObject(hOldBitmap); 
		} 
		
		m_pImage->Release(); 
	} 
	m_pImagingFactory->Release(); 
	CoUninitialize(); 
	
	return hBitmap; 
}
//**********确定有效区域*************//
BOOL Image::InRect(int left, int top, int right, int bottom, int px, int py)
{
	if((left < 0) || (left > 800))
		return FALSE;
	if((right < 0) || (right > 800))
		return FALSE;
	if((top < 0) || (top > 480))
		return FALSE;
	if((bottom < 0) || (bottom > 480))
		return FALSE;
	if((px < 0) || (px > 800))
		return FALSE;
	if((py < 0) || (py > 480))
		return FALSE;
	
	if((px>=left)&&(px<=right) && (py>=top)&&(py<=bottom))
		return TRUE;
	return FALSE;
}
//*******关闭窗口********//
void Image::OnButton1() 
{
	// TODO: Add your control notification handler code here
	DestroyWindow();
}
//*********全屏显示**********//
void Image::OnButton2() 
{
	// TODO: Add your control notification handler code here
	if (btnbool==TRUE)//判断中间区域激活，按钮区就不能用，用BOOL做选择
	{
	mybool=TRUE;
	InvalidateRect(NULL,TRUE);
	UpdateWindow();	
	btnbool=FALSE;
	}
	
}
//*********缩小**********//
void Image::OnButton3() 
{
	// TODO: Add your control notification handler code her
	if(btnbool==TRUE)
	{
		if(ii>=1)
			ii--;
		else
			ii==1;
		
		InvalidateRect(&rect,TRUE);
    	UpdateWindow();

	}

	
}
//*********放大**********//
void Image::OnButton4() 
{
	// TODO: Add your control notification handler code here
	if(btnbool==TRUE)
	{
	ii++;
	InvalidateRect(&rect,TRUE);//刷新区域会自动调用OnPaint()进行重绘
	UpdateWindow();//执行立即刷新
	}
}

void Image::OnButton5() 
{
	// TODO: Add your control notification handler code here
	if(btnbool==TRUE)
	{
		if(ll>=1)
		{
			namestr=Imagelist[ll-1];
			InvalidateRect(&rect,TRUE);
			UpdateWindow();
			ll--;
		}
		
	}
}

void Image::OnButton6() 
{
	// TODO: Add your control notification handler code here
	if(btnbool==TRUE)
	{
		if(ll+1<jj)
		{
			namestr=Imagelist[ll+1];
			InvalidateRect(&rect,TRUE);
			UpdateWindow();
			ll++;
		}
		
	}
	
}
//*********复位**********//
void Image::OnButton7() 
{
	// TODO: Add your control notification handler code here
	if(btnbool==TRUE)
	{
	ii=4;
	InvalidateRect(&rect,TRUE);
	UpdateWindow();
		HWND MyhWnd;
		MyhWnd = ::FindWindow(NULL,L"图片列表");
		if(MyhWnd)
		::SetForegroundWindow(MyhWnd);
		CPictureDlg *mypict;
// 		mypict = (CPictureDlg*)(AfxGetApp()->m_pMainWnd);的到主窗口
//         mypict->ShowWindow(TRUE);
	}
}
void Image::OnButton8() 
{
	// TODO: Add your control notification handler code here
	if(btnbool==FALSE)
	{
		ii=4;
		InvalidateRect(&rect,TRUE);
		UpdateWindow();
		btnbool=TRUE;
	}
	
}

void Image::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if (InRect(727,3,771,40,point.x,point.y))
	{
		OnButton1();
	}
	if (InRect(724,67,774,99,point.x,point.y))
	{
		OnButton2();
	}
	if (InRect(724,128,777,157,point.x,point.y))
	{
		OnButton3();
	}
	if (InRect(726,191,775,221,point.x,point.y))
	{
		OnButton4();
	}
	if (InRect(725,254,775,280,point.x,point.y))
	{
		OnButton5();
	}
	if (InRect(728,316,777,342,point.x,point.y))
	{
		OnButton6();
	}
	if (InRect(728,381,778,409,point.x,point.y))
	{
		OnButton7();
	}
	if (InRect(10,10,700,450,point.x,point.y))
	{
		OnButton8();
	}
	CDialog::OnLButtonUp(nFlags, point);
}


//****得到双击文件的索引*******//
void Image::GetIndex(int t)
{
   ll=t;
}
//********把文件路径放到Imagelist容器**********//
void Image::Receptname(CString b)
{

	if(jj==0)
	{
		Imagelist.insert(Imagelist.begin(),b);//遍历文件时把图片文件明保存在Imageliste容器中
		
	}
	if(jj>=1)
	{
		
		Imagelist.insert(Imagelist.end(),b);
	}
	 jj++;
}