bmptotiffdlg.cpp

来自「BMP 格式的图片 转为Tiff格式的图片」· C++ 代码 · 共 450 行

// BmpToTiffDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BmpToTiff.h"
#include "BmpToTiffDlg.h"
#include "TiffStruct.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBmpToTiffDlg dialog

CBmpToTiffDlg::CBmpToTiffDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBmpToTiffDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBmpToTiffDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

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

BEGIN_MESSAGE_MAP(CBmpToTiffDlg, CDialog)
	//{{AFX_MSG_MAP(CBmpToTiffDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDOPEN, OnOpen)
	ON_BN_CLICKED(IDCOVERT, OnCovert)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBmpToTiffDlg message handlers

BOOL CBmpToTiffDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.
    
	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
//	m_bmphr = 0;
//	m_bmpnf = 0;
	m_pDIB = NULL;
	m_pPalette = NULL;
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CBmpToTiffDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CBmpToTiffDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CBmpToTiffDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CBmpToTiffDlg::OnOpen() 
{
	// TODO: Add your control notification handler code here
	CString filename;
	char szFilter[] = "Bmp Files(*.bmp)|*.bmp|All Files|*.*||";
	CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY, szFilter);
	if(dlg.DoModal()==IDOK)
	{
		filename = dlg.GetPathName();
	}

	CFile file;
	if(!file.Open(filename, CFile::modeRead))
		return;
	
    //读入数据
	file.Read(&m_bmphr, sizeof(BITMAPFILEHEADER));
	file.Read(&m_bmpnf, sizeof(BITMAPINFOHEADER));
	if(m_bmphr.bfType != 19778)
	{
		AfxMessageBox("非位图文件!");
		return;
	}

	m_pDIB = new BYTE[m_bmphr.bfSize - m_bmphr.bfOffBits];

	if(m_bmpnf.biBitCount!=24)//如果不是24位图，则先读入颜色表
	{
		m_pPalette = new RGBQUAD[m_bmpnf.biClrUsed];
		memset(m_pPalette, 0, sizeof(RGBQUAD)*m_bmpnf.biClrUsed);
		file.Read(m_pPalette, sizeof(RGBQUAD)*m_bmpnf.biClrUsed);
	}
	else
	{
		m_pPalette = NULL;
	}
		
	file.Read(m_pDIB, m_bmphr.bfSize - m_bmphr.bfOffBits);//读入图像数据
		
	
}

void CBmpToTiffDlg::OnCovert() 
{
	// TODO: Add your control notification handler code here
	int i = 0;
	int j = 0;//循环变量
	CString filename;//存储文件名

	CFileDialog dlg(FALSE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, NULL, NULL);
	if(dlg.DoModal() == IDOK)
	{
		filename = dlg.GetPathName();
	}


	CFile file;//将所有数据写入file文件
	if(!file.Open(filename, CFile::modeCreate|CFile::modeWrite))
		return;
	CFile *f = &file;

	DWORD imgData = m_bmphr.bfSize - m_bmphr.bfOffBits;
	IFH tiffIFH;//tiff图像文件头信息

	//填充IFH
	tiffIFH.ByteOrder = 'II';
	tiffIFH.Version = 42;
	tiffIFH.OffsetToIFD = imgData + 8;//图像数据放在tiff文件头和tiff文件目录描述之间

	f->Write(&tiffIFH, sizeof(IFH));//将图像文件头写入文件
	
	WORD DEC;
	if(m_bmpnf.biBitCount==24)
	{
		DEC = 15;//DEC：目录入口数		
	}
	else
	{
		DEC =15;//16 索引图多添加一个目录存放索引表
	}

    DE *tiffDE = new DE[DEC];//tiff图像目录入口，欲定义dec个属性
		

	//填充DE
	
	tiffDE[0].Tag = 254; //NewSubfileType
	tiffDE[0].Type = 4; //LONG
	tiffDE[0].Length = 1;
	tiffDE[0].ValueOffset = 0;
  
	tiffDE[1].Tag = 256; //ImageWidth
	tiffDE[1].Type = 3; //SHORT
	tiffDE[1].Length = 1;
	tiffDE[1].ValueOffset = m_bmpnf.biWidth;

	tiffDE[2].Tag = 257; //ImageHeight
	tiffDE[2].Type = 3; //SHORT
	tiffDE[2].Length = 1;
	tiffDE[2].ValueOffset = m_bmpnf.biHeight;

	tiffDE[3].Tag = 258; //BitPerSample
	tiffDE[3].Type = 3; //SHORT
	if(m_bmpnf.biBitCount == 24)
	{
		tiffDE[3].Length = 3;
		tiffDE[3].ValueOffset = 8 + imgData + 2 + DEC*12;//tiff文件组织：IFH-ImgData-DEC-DE-VaOfSt>4
	}
	else
	{
		tiffDE[3].Length = 1;
		tiffDE[3].ValueOffset = 8;//8位索引图
	}

	tiffDE[4].Tag = 259;//Compression
	tiffDE[4].Type = 3;
	tiffDE[4].Length = 1;
	tiffDE[4].ValueOffset = 1;//not compression
			
	tiffDE[5].Tag = 262;//PhotometricInterpretation
	tiffDE[5].Type = 3;
	tiffDE[5].Length = 1;
	if(m_bmpnf.biBitCount==24)
		tiffDE[5].ValueOffset = 2;//RGB图取2
	else
		tiffDE[5].ValueOffset = 1;//索引图取3，灰度图取1或者0，1：黑色是0，0：白色是0，即图像采用反色显示

	tiffDE[6].Tag = 273;//StripOffset
	tiffDE[6].Type = 4;
	tiffDE[6].Length = 1;
	tiffDE[6].ValueOffset = 8;

	tiffDE[7].Tag = 277;//SamplesPerPixel
	tiffDE[7].Type = 3;
	if(m_bmpnf.biBitCount==24)
	{
		tiffDE[7].ValueOffset = 3;
	}
	else
	{
		tiffDE[7].ValueOffset = 1;
	}
	tiffDE[7].Length = 1;

	tiffDE[8].Tag = 278;//RowsPerStrip
	tiffDE[8].Type = 3;
	tiffDE[8].Length = 1;
	tiffDE[8].ValueOffset = m_bmpnf.biHeight;

	tiffDE[9].Tag = 279;//StripByteCounts
	tiffDE[9].Type = 4;
	tiffDE[9].Length = 1;
    tiffDE[9].ValueOffset = imgData;

	tiffDE[10].Tag = 282;//XResolution
	tiffDE[10].Type = 5;
	tiffDE[10].Length = 1;
	if(m_bmpnf.biBitCount==24)
	{
		tiffDE[10].ValueOffset = 8 + imgData + 2 + DEC*12 + 3*16;//3个SHORT
	}
	else
	{
		tiffDE[10].ValueOffset = 8 + imgData + 2 + DEC*12;
	}


	tiffDE[11].Tag = 283;//YResolution
	tiffDE[11].Type = 5;
	tiffDE[11].Length = 1;
	if(m_bmpnf.biBitCount==24)
	{
		tiffDE[11].ValueOffset = 8 + imgData + 2 + DEC*12 + 3*16 + 8;//3个SHORT + XResolution
	}
	else
	{
		tiffDE[11].ValueOffset = 8 + imgData + 2 + DEC*12 + 8;
	}

	tiffDE[12].Tag = 284;//PlanarConfiguration 图像数据的平面排列方式
	tiffDE[12].Type = 3;
	tiffDE[12].Length = 1;
	tiffDE[12].ValueOffset = 1;

	tiffDE[13].Tag = 296;//ResolutionUnit
	tiffDE[13].Type = 3;
	tiffDE[13].Length = 1;
	tiffDE[13].ValueOffset = 2; //英寸

	tiffDE[14].Tag = 317;//Predictor 
	tiffDE[14].Type = 3;
	tiffDE[14].Length = 1;
	tiffDE[14].ValueOffset = 1;


    //填充第16个DE
/*	if(m_bmpnf.biBitCount == 8) 
	{				

		tiffDE[15].Tag = 320;//Palette
		tiffDE[15].Type = 3;//SHORT
		tiffDE[15].Length = 3*256;
		tiffDE[15].ValueOffset = 8 + imgData + 2 + DEC *12;
	}
*/

	//将图像数据写进文件,需要将图像数据倒置
	
    BYTE *imgTemp = new BYTE[imgData];
	if(m_bmpnf.biBitCount == 24)
	{
		for(i=0; i<m_bmpnf.biHeight-1; i++)
		{
			for(j=0; j<m_bmpnf.biWidth-1; j++)
			{
				imgTemp[i*3*m_bmpnf.biWidth + j*3] = m_pDIB[(m_bmpnf.biHeight - 1- i)*3*m_bmpnf.biWidth + 3*j + 2];
				imgTemp[i*3*m_bmpnf.biWidth + j*3 + 1] = m_pDIB[(m_bmpnf.biHeight - 1- i)*3*m_bmpnf.biWidth + 3*j + 1];
				imgTemp[i*3*m_bmpnf.biWidth + j*3 + 2] = m_pDIB[(m_bmpnf.biHeight - 1- i)*3*m_bmpnf.biWidth + 3*j + 0];
			}
		}
		
	}
	else  //8位图
	{
		for(i=0; i<m_bmpnf.biHeight-1; i++)
		{
			for(j=0; j<m_bmpnf.biWidth-1; j++)
			{
				imgTemp[i*m_bmpnf.biWidth + j] = m_pDIB[(m_bmpnf.biHeight - 1 - i)*m_bmpnf.biWidth + j];
			}
		}
	}

	//写入图像数据
	f->Write(imgTemp, imgData);
	delete []imgTemp;
	imgTemp = NULL;

	//将目录入口数写入文件
	f->Write(&DEC, sizeof(WORD));

	//将各个DE写进文件
	for(i=0; i<DEC; i++)
		f->Write(&tiffDE[i],sizeof(DE));

	//将大于4字节的valueoffset写入文件
	if(m_bmpnf.biBitCount == 24)
	{
		SHORT *pBitPerSample = new SHORT[3];
		pBitPerSample[0] = pBitPerSample[1] = pBitPerSample[2] = 8;
		f->Write(pBitPerSample, 3*16);//3*sizeof(SHORT));
		delete []pBitPerSample;
		pBitPerSample = NULL;
	}
	
	LONG XResolution[2];
	XResolution[0] = 0;//m_bmpnf.biXPelsPerMeter;
	XResolution[1] = 0;//39.37;//1 meter = 39.37 inch
	
	f->Write(XResolution, 32*2);//sizeof(LONG)*2);
	
	LONG YResolution[2];
	YResolution[0] = 0;//m_bmpnf.biYPelsPerMeter;
	YResolution[1] = 0;//39.37;
	
	f->Write(YResolution, 32*2);//sizeof(LONG)*2);
	
	delete []m_pDIB; //回收内存
	m_pDIB = NULL;
	file.Close();  
	
}