viewdibview.cpp

vc++实现简单图像编辑器。。。。。。。。。

// ViewDIBView.cpp : implementation of the CViewDIBView class
//

#include "stdafx.h"
#include "ViewDIB.h"

#include "ViewDIBDoc.h"
#include "ViewDIBView.h"
#include "MainFrm.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//my include
#include "SeleCutRectDlg.h"
#include "SeleZoomSizeDlg.h"
#include "SeleCanvasDlg.h"

/////////////////////////////////////////////////////////////////////////////
// CViewDIBView

IMPLEMENT_DYNCREATE(CViewDIBView, CScrollView)

BEGIN_MESSAGE_MAP(CViewDIBView, CScrollView)
	//{{AFX_MSG_MAP(CViewDIBView)
	ON_COMMAND(ID_EFFECT_FADEINOUT, OnEffectFadeinout)
	ON_COMMAND(ID_EFFECT_SCANDOWN, OnEffectScandown)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_FADEINOUT, OnUpdateEffectFadeinout)
	ON_COMMAND(ID_EFFECT_HBLIND, OnEffectHblind)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_HBLIND, OnUpdateEffectHblind)
	ON_COMMAND(ID_EFFECT_HRASTER, OnEffectHraster)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_HRASTER, OnUpdateEffectHraster)
	ON_COMMAND(ID_EFFECT_MOSAIC, OnEffectMosaic)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOSAIC, OnUpdateEffectMosaic)
	ON_COMMAND(ID_EFFECT_MOVEDOWN, OnEffectMovedown)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVEDOWN, OnUpdateEffectMovedown)
	ON_COMMAND(ID_EFFECT_MOVEHCROSS, OnEffectMovehcross)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVEHCROSS, OnUpdateEffectMovehcross)
	ON_COMMAND(ID_EFFECT_MOVEHSPLIT, OnEffectMovehsplit)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVEHSPLIT, OnUpdateEffectMovehsplit)
	ON_COMMAND(ID_EFFECT_MOVELEFT, OnEffectMoveleft)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVELEFT, OnUpdateEffectMoveleft)
	ON_COMMAND(ID_EFFECT_MOVERIGHT, OnEffectMoveright)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVERIGHT, OnUpdateEffectMoveright)
	ON_COMMAND(ID_EFFECT_MOVEUP, OnEffectMoveup)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVEUP, OnUpdateEffectMoveup)
	ON_COMMAND(ID_EFFECT_MOVEVCROSS, OnEffectMovevcross)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVEVCROSS, OnUpdateEffectMovevcross)
	ON_COMMAND(ID_EFFECT_MOVEVSPLIT, OnEffectMovevsplit)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_MOVEVSPLIT, OnUpdateEffectMovevsplit)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_SCANDOWN, OnUpdateEffectScandown)
	ON_COMMAND(ID_EFFECT_SCANHSPLIT, OnEffectScanhsplit)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_SCANHSPLIT, OnUpdateEffectScanhsplit)
	ON_COMMAND(ID_EFFECT_SCANLEFT, OnEffectScanleft)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_SCANLEFT, OnUpdateEffectScanleft)
	ON_COMMAND(ID_EFFECT_SCANRIGHT, OnEffectScanright)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_SCANRIGHT, OnUpdateEffectScanright)
	ON_COMMAND(ID_EFFECT_SCANUP, OnEffectScanup)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_SCANUP, OnUpdateEffectScanup)
	ON_COMMAND(ID_EFFECT_SCANVSPLIT, OnEffectScanvsplit)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_SCANVSPLIT, OnUpdateEffectScanvsplit)
	ON_COMMAND(ID_EFFECT_VBLIND, OnEffectVblind)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_VBLIND, OnUpdateEffectVblind)
	ON_COMMAND(ID_EFFECT_VRASTER, OnEffectVraster)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_VRASTER, OnUpdateEffectVraster)
	ON_COMMAND(ID_EFFECT_TRANS, OnEffectTrans)
	ON_UPDATE_COMMAND_UI(ID_EFFECT_TRANS, OnUpdateEffectTrans)
	ON_COMMAND(ID_GEOMETRIC_CUT, OnGeometricCut)
	ON_COMMAND(ID_GEOMETRIC_CROP, OnGeometricCrop)
	ON_COMMAND(ID_GEOMETRIC_MERGE, OnGeometricMerge)
	ON_COMMAND(ID_GEOMETRIC_ZOOM, OnGeometricZoom)
	ON_COMMAND(ID_GEOMETRIC_CANVAS, OnGeometricCanvas)
	ON_COMMAND(ID_GEOMETRIC_ROTATE, OnGeometricRotate)
	ON_COMMAND(ID_GEOMETRIC_FLIPHORZ, OnGeometricFliphorz)
	ON_COMMAND(ID_GEOMETRIC_FLIPVERT, OnGeometricFlipvert)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CViewDIBView construction/destruction

CViewDIBView::CViewDIBView()
{
	// TODO: add construction code here

}

CViewDIBView::~CViewDIBView()
{
}

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

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CViewDIBView drawing

void CViewDIBView::OnDraw(CDC* pDC)
{
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	//fffffffffffffffffffffffffffffffffffffffff

    if(!pDoc->m_pDib ->IsEmpty ())
		pDoc->m_pDib ->Display (pDC,0,0);

	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
}

void CViewDIBView::OnInitialUpdate()
{
	//fffffffffffffffffffffffffffffffffffffffffffffffff
	CScrollView::OnInitialUpdate();
	CViewDIBDoc* pDoc=GetDocument();
	CSize sizeTotal(pDoc->m_pDib ->GetWidth (),
		            pDoc->m_pDib ->GetHeight ());
	SetScrollSizes(MM_TEXT, sizeTotal);
	CMainFrame* pAppFrame=
		(CMainFrame*) AfxGetApp()->m_pMainWnd ;
	ASSERT_KINDOF(CMainFrame,pAppFrame);
	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
}

/////////////////////////////////////////////////////////////////////////////
// CViewDIBView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CViewDIBView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CViewDIBView message handlers
//自定义消息实现函数
void CViewDIBView::OnRealizePal(WPARAM wParam, LPARAM lParam)
{
	ASSERT(wParam !=NULL);
	//获得当前文档指针
	CViewDIBDoc*pDoc=GetDocument();
	if(pDoc->m_pDib->IsEmpty ())
		return;//must be new document
    //获得该图像的调色板
	CPalette *pPal=pDoc->m_pDib ->GetPalette ();
	
	if(pPal!=NULL)
	{
		CWnd* pAppFrame=AfxGetApp()->m_pMainWnd ;
		CClientDC appDC(pAppFrame);
		//All views but one should be a background palette.
		//wParam contains a handle to the active view,so the
		//selectpaltte flag is False only if wParam=m_hWnd
        //当前设备上下文选择调色板
		CPalette *oldPalette=appDC.SelectPalette (pPal,
			                        ((HWND)wParam)!=m_hWnd);

		if(oldPalette!=NULL)
		{
			//看看调色板是否改变
			UINT nColorsChanged=appDC.RealizePalette ();
			//如果改变,重画视图
			if(nColorsChanged>0)
				pDoc->UpdateAllViews(NULL);
			appDC.SelectPalette(oldPalette,TRUE);
		}
		else
		{
			TRACE0("\tSelectPalette failed!\n");
		}
	}

}





void CViewDIBView::OnEffectFadeinout() 
{
	

//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_FADE;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectScandown() 
{
	//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_SCANDOWN;
	EffectDisplay(pDoc->m_nEffect);

	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
	
}

void CViewDIBView::OnUpdateEffectFadeinout(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectHblind() 
{
//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_HBLIND;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
}

void CViewDIBView::OnUpdateEffectHblind(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectHraster() 
{
//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_HRASTER;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
	
}

void CViewDIBView::OnUpdateEffectHraster(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMosaic() 
{
//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_MOSIAC;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
}

void CViewDIBView::OnUpdateEffectMosaic(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMovedown() 
{
	//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_MOVEDOWN;
	EffectDisplay(pDoc->m_nEffect);

	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
	
}

void CViewDIBView::OnUpdateEffectMovedown(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMovehcross() 
{
//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_HCROSSMOVE;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
}

void CViewDIBView::OnUpdateEffectMovehcross(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMovehsplit() 
{
//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_HSPLITMOVE;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj			
}

void CViewDIBView::OnUpdateEffectMovehsplit(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMoveleft() 
{
	//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_MOVELEFT;
	EffectDisplay(pDoc->m_nEffect);

	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
}

void CViewDIBView::OnUpdateEffectMoveleft(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMoveright() 
{
	//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_MOVERIGHT;
	EffectDisplay(pDoc->m_nEffect);

	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
}

void CViewDIBView::OnUpdateEffectMoveright(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMoveup() 
{
	//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_MOVEUP;
	EffectDisplay(pDoc->m_nEffect);

	//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
	
}

void CViewDIBView::OnUpdateEffectMoveup(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff
	pCmdUI->Enable (!GetDocument()->m_pDib ->IsEmpty ());
//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj	
}

void CViewDIBView::OnEffectMovevcross() 
{
//fffffffffffffffffffffffffffffffffffffffff
	CViewDIBDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_nEffect	=EFFECT_VCROSSMOVE;
	EffectDisplay(pDoc->m_nEffect);

//jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj		
}

void CViewDIBView::OnUpdateEffectMovevcross(CCmdUI* pCmdUI) 
{
//fffffffffffffffffffffffffffffffffffffffffffffffffffffffff