cimageview.cpp

程序在visual c＋＋环境下实现了图像按照输入参数进行平移旋转和在水平垂直方向上的镜像功能。

// CImageView.cpp : implementation of the CCImageView class
//

#include "stdafx.h"
#include "CImage.h"

#include "CImageDoc.h"
#include "CImageView.h"

#include  "Translation.h"
#include "RotateAngle.h"


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

/////////////////////////////////////////////////////////////////////////////
// CCImageView

IMPLEMENT_DYNCREATE(CCImageView, CView)

BEGIN_MESSAGE_MAP(CCImageView, CView)
	//{{AFX_MSG_MAP(CCImageView)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_EDIT_PASTE, OnEditPaste)
	ON_COMMAND(ID_ROTATE_ANGLE, OnRotateAngle)
	ON_COMMAND(ID_TRANSLATION, OnTranslation)
	ON_COMMAND(ID_VMIRROR, OnVMirror)
	ON_COMMAND(ID_HMIRROR, OnHmirror)
	ON_COMMAND(ID_FILE_SAVE, OnFileSave)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCImageView construction/destruction

CCImageView::CCImageView()
{
	// TODO: add construction code here
	rect.bottom = rect.top = 0;
	rect.left = rect.right = 0;
}

CCImageView::~CCImageView()
{
}

BOOL CCImageView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCImageView drawing

void CCImageView::OnDraw(CDC* pDC)
{
	CCImageDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	CClientDC dc(this);
	Jpeg.OuttoDC(&dc);
	Img.Draw2DC(&dc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CCImageView printing

BOOL CCImageView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CCImageView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CCImageView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CCImageView diagnostics

#ifdef _DEBUG
void CCImageView::AssertValid() const
{
	CView::AssertValid();
}

void CCImageView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CCImageDoc* CCImageView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCImageDoc)));
	return (CCImageDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CCImageView message handlers

void CCImageView::OnFileOpen() 
{
	// TODO: Add your command handler code here
    CClientDC dc(this);
	char filt[220];
	strcpy(filt,"Image Files(*.bmp)|*.bmp;|Image Files(*.jpg)|*.jpg;|");
	CFileDialog  fd(true,"bmp", NULL, OFN_FILEMUSTEXIST,filt,this);	
	if(fd.DoModal()!=IDOK) return;
	CString lpFileName=fd.GetPathName();
	lpFileName.MakeUpper();

	char drive[260];   
	char dir[256];
	char fname[256];   
	char ext[256];
	_splitpath(lpFileName, drive, dir, fname, ext);  
    if(!stricmp(ext, ".jpg"))
	{
		Jpeg.Load(lpFileName);
	    Jpeg.OuttoDC(&dc); 
	}
	else if (!stricmp(ext, ".bmp"))
	{
		Img.LoadBmp(lpFileName);
	    Img.Draw2DC(&dc);
	}
	Invalidate();
}

void CCImageView::OnEditPaste() 
{
	// TODO: Add your command handler code here
	if(Img.IsBufferValid()==false) return;
	CClientDC dc(this);
	BYTE* pRect;
	rect.bottom = 300;
	rect.right = 300;
	Img.GetImgRect( rect, pRect);

	DWORD dwWidth, dwHeight;//被选中范围的图像的属性
	dwWidth = rect.right - rect.left;
	dwHeight = rect.bottom - rect.top;
	if(!pRect) return;
	BITMAPINFO bmi;
	DWORD BytePerPixel = 4;
    DWORD dwSize = 100*100*BytePerPixel;//计算图像数据的大小

	//填充位图信息头
	bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    bmi.bmiHeader.biWidth = dwWidth;
	bmi.bmiHeader.biHeight = -dwHeight;
	bmi.bmiHeader.biPlanes = 1;
	bmi.bmiHeader.biBitCount = BytePerPixel*8;
	bmi.bmiHeader .biClrImportant = 0;
	bmi.bmiHeader .biSizeImage = dwSize;
	bmi.bmiHeader.biXPelsPerMeter = dwWidth;
	bmi.bmiHeader.biYPelsPerMeter = dwHeight;
	bmi.bmiHeader.biCompression = 0;
	bmi.bmiHeader .biClrUsed = 0;
	StretchDIBits(dc.GetSafeHdc(), dwWidth+10, 0, dwWidth, dwHeight,
                 0, 0, dwWidth, dwHeight, (UINT *)pRect, &bmi,
                 DIB_RGB_COLORS,SRCCOPY);
}


void CCImageView::OnRotateAngle() 
{
	// TODO: Add your command handler code here
	CRotateAngle RotAgl;
	if(!RotAgl.DoModal())
		return;
	double fRotateAngle;
	fRotateAngle = RotAgl.m_fRotateAngle;
	Img.RotateAngle(fRotateAngle);
	Invalidate();
}

void CCImageView::OnTranslation() 
{
	// TODO: Add your command handler code here
	if(Img.IsBufferValid() == false) return;
	CTranslation Trst;
	if(!Trst.DoModal())
		return;
	DWORD dwXOffset, dwYOffset;
	dwXOffset = Trst.m_dwXOffset;
	dwYOffset = Trst.m_dwYOffset;
	Img.Translation( dwXOffset, dwYOffset);
	Invalidate();
}
//垂直镜像
void CCImageView::OnVMirror() 
{
	// TODO: Add your command handler code here
	bool bDirection = false;
	Img.Mirror(bDirection);
	Invalidate();
}

void CCImageView::OnHmirror() 
{
	// TODO: Add your command handler code here
	bool bDirection = true;
	Img.Mirror(bDirection);
	Invalidate();
}

void CCImageView::OnFileSave() 
{
	// TODO: Add your command handler code here
	CString strFileName;
	static char szFilter[] = "BMP文件(*.bmp)|*.bmp||";
	CFileDialog dlg(false,"bmp",NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFilter);
	if(dlg.DoModal() !=IDOK) return;

	strFileName = dlg.GetPathName();
	Img.SaveBmp(strFileName);
}