Special Effects

Development Platform:
Visual C++

DynSplitView2.cpp：Code Content
							// DynSplitView2.cpp : implementation file
//
#include "stdafx.h"
#include "DSplit.h"
#include "DynSplitView2.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2
IMPLEMENT_DYNCREATE(CDynSplitView2, CView)
CDynSplitView2::CDynSplitView2()
{state2=0;
}
/*初始化图像数据*/
void CDynSplitView2::clearmem()
{
	CDSplitDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc ->statedoc=0;
    state2=1;
	CDibNew1=&pDoc->CDibNew;
    CDib1=&pDoc->CDib;
    long int  size=CDib1->GetHeight()*CDib1->GetDibWidthBytes();//GetWidth();
     memcpy(CDibNew1->m_pData,CDib1->m_pData,size);//复制原图像到处理区
}
CPalette * CDynSplitView2::CreateBitmapPalette(BianTiDib * pBitmap)
	{
		struct
		{
			WORD Version;
			WORD NumberOfEntries;
			PALETTEENTRY aEntries[256];
		} palette = { 0x300, 256 };
		
		LPRGBQUAD pRGBTable = pBitmap->GetRGB();
		UINT numberOfColors = pBitmap->GetNumberOfColors();
		
		for(UINT x=0; x<numberOfColors; ++x)
		{
			palette.aEntries[x].peRed =
				pRGBTable[x].rgbRed;
			palette.aEntries[x].peGreen =
				pRGBTable[x].rgbGreen;
			palette.aEntries[x].peBlue =
				pRGBTable[x].rgbBlue;
			palette.aEntries[x].peFlags = 0;
		}
		
			hPalette.CreatePalette((LPLOGPALETTE)&palette);
		//CPalette hPale=&hPalette;
		return &hPalette;
	}
CDynSplitView2::~CDynSplitView2()
{
}
CDSplitDoc* CDynSplitView2::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDSplitDoc)));
	return (CDSplitDoc*)m_pDocument;
}
BEGIN_MESSAGE_MAP(CDynSplitView2, CView)
	//{{AFX_MSG_MAP(CDynSplitView2)
	ON_WM_ERASEBKGND()
	ON_COMMAND(ID_FILESAVE, OnFilesave)
	ON_COMMAND(ID_Xihua, OnXihua)
	ON_COMMAND(ID_Cuhua, OnCuhua)
	ON_COMMAND(ID_Zhongzhoubianhuan, OnZhongzhoubianhuan)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2 drawing
void CDynSplitView2::OnDraw(CDC* pDC)
{	
/*	CDSplitDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if(!pDoc ->statedoc&&state2==1)
	{
        BYTE* pBitmapData = CDibNew1->GetData();
        LPBITMAPINFO pBitmapInfo = CDibNew1->GetInfo();
        int bitmapHeight = CDibNew1->GetHeight();
        int bitmapWidth = CDibNew1->GetWidth();
		if (CDibNew1->GetRGB()) // Has a color table
		{
			CPalette * hPalette=CreateBitmapPalette(CDibNew1);
            CPalette * hOldPalette =
                pDC->SelectPalette(hPalette, true);
            pDC->RealizePalette();
			::StretchDIBits(pDC->GetSafeHdc(),0, 0, bitmapWidth, bitmapHeight,
               0, 0, bitmapWidth, bitmapHeight,
				pBitmapData, pBitmapInfo,
				DIB_RGB_COLORS, SRCCOPY);
            pDC->SelectPalette(hOldPalette, true);
            ::DeleteObject(hPalette);
		}
	}*/
		CDSplitDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if(!pDoc ->statedoc&&state2==1)
	{
		int m_scale=1;
        BYTE* pBitmapData = CDibNew1->GetData();
        LPBITMAPINFO pBitmapInfo = CDibNew1->GetInfo();
        int bitmapHeight = CDibNew1->GetHeight();
        int bitmapWidth = CDibNew1->GetWidth();
		int scaledWidth = (int)(bitmapWidth * m_scale);
		int scaledHeight = (int)(bitmapHeight * m_scale);
		if (CDibNew1->GetRGB()) // Has a color table
		{
			CPalette * hPalette=CreateBitmapPalette(CDibNew1);
            CPalette * hOldPalette =
                pDC->SelectPalette(hPalette, true);
            pDC->RealizePalette();
			::StretchDIBits(pDC->GetSafeHdc(),0, 0, bitmapWidth, bitmapHeight,
               0, 0, bitmapWidth, bitmapHeight,
				pBitmapData, pBitmapInfo,
				DIB_RGB_COLORS, SRCCOPY);
            pDC->SelectPalette(hOldPalette, true);
            ::DeleteObject(hPalette);
		}
		else
		{
            StretchDIBits(pDC->GetSafeHdc(),
                0, 0, scaledWidth, scaledHeight,
                0, 0, bitmapWidth, bitmapHeight,
				pBitmapData, pBitmapInfo,
				DIB_RGB_COLORS, SRCCOPY);
		}
	}
}
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2 diagnostics
#ifdef _DEBUG
void CDynSplitView2::AssertValid() const
{
	CView::AssertValid();
}
void CDynSplitView2::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2 message handlers
BOOL CDynSplitView2::OnEraseBkgnd(CDC* pDC) 
{
	CRect rect;
	GetClientRect(&rect);
	pDC->FillSolidRect(&rect,::GetSysColor(COLOR_WINDOW));
	return TRUE;
}
 
void CDynSplitView2::OnFilesave() 
{
	// TODO: Add your command handler code here
	CFileDialog dlg(FALSE,_T("BMP"),_T("*.BMP"),OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,_T("位图文件(*.BMP)|*.BMP|"));	
    if(IDOK==dlg.DoModal())
	CString  filename;
    filename.Format ("%s",dlg.GetPathName() );    
    CDibNew1->SaveFile(filename);
	state2=1;
	Invalidate();
}
/*细化消息映射*/
void CDynSplitView2::OnXihua() 
{
	// TODO: Add your command handler code here
	clearmem();
	CDibNew1->Xihua();             //调用细化处理函数
 	Invalidate();
}
/*粗化消息映射*/
void CDynSplitView2::OnCuhua() 
{
	// TODO: Add your command handler code here
	clearmem();
	CDibNew1->Cuhua();             //调用粗化处理函数
 	Invalidate();
}
/*中轴变换消息映射*/
void CDynSplitView2::OnZhongzhoubianhuan() 
{
	// TODO: Add your command handler code here
	clearmem();
	CDibNew1->Zhongzhoubianhuan();             //调用中轴变换处理函数
 	Invalidate();
}

						