【VC开源代码栏目提醒】:以下是网学会员为您推荐的VC开源代码-CShow_3View.cpp,希望本篇文章对您学习有所帮助。
// CShow_3View.cpp : implementation of the CCShow_3View class
//
#include "stdafx.h"
#include "CShow_3.h"
#include "CShow_3Doc.h"
#include "CShow_3View.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CCShow_3View
IMPLEMENT_DYNCREATE(CCShow_3View, CView)
BEGIN_MESSAGE_MAP(CCShow_3View, CView)
//{{AFX_MSG_MAP(CCShow_3View)
ON_COMMAND(IDB_FANZHUANG, OnFanzhuang)
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CCShow_3View construction/destruction
CCShow_3View::CCShow_3View() //初始化HDRAWDIB对象
{
// TODO: add construction code here
m_bmpSrc=NULL;
m_bmpDst=NULL;
m_nType=0;
m_hDrawDib=DrawDibOpen();
HBITMAP hBmp=(HBITMAP)LoadImage(NULL,"bitmap.bmp",IMAGE_BITMAP,0,0,
LR_LOADFROMFILE);
HDC hMemDC=CreateCompatibleDC(NULL);
if(hMemDC)
{
GetObject(hBmp,sizeof(bm),&bm);
m_sizeSrc=m_sizeDst=CSize(bm.bmWidth,bm.bmHeight);
BITMAPINFOHEADER RGB32BITSBITMAPINFO=
{sizeof(BITMAPINFOHEADER),bm.bmWidth,bm.bmHeight,1,32,
BI_RGB,0,0,0,0,0};
m_bmpSrc=CreateDIBSection(hMemDC,(BITMAPINFO*)&RGB32BITSBITMAPINFO,
DIB_RGB_COLORS,(VOID**)&m_clrSrc,NULL,0);
m_bmpDst=CreateDIBSection(hMemDC,(BITMAPINFO*)&RGB32BITSBITMAPINFO,
DIB_RGB_COLORS,(VOID**)&m_clrDst,NULL,0);
if(m_bmpSrc&&m_bmpDst)
{
HBITMAP hOldBmp=(HBITMAP)SelectObject(hMemDC,m_bmpSrc);
HDC hDC=CreateCompatibleDC(hMemDC);
if(hDC)
{
HBITMAP hOldBmp2=(HBITMAP)SelectObject(hDC,hBmp);
BitBlt(hMemDC,0,0,bm.bmWidth,bm.bmHeight,hDC,0,0,
SRCCOPY);
SelectObject(hMemDC,m_bmpDst);
BitBlt(hMemDC,0,0,bm.bmWidth,bm.bmHeight,hDC,0,0,
SRCCOPY);
SelectObject(hMemDC,hOldBmp2);
DeleteObject(hDC);
}
SelectObject(hMemDC,hOldBmp);
}
DeleteObject(hMemDC);
DeleteObject(hBmp);
}
}
CCShow_3View::~CCShow_3View() //销毁HDRAWDIB对象
{
if(m_hDrawDib!=NULL)
{
DrawDibClose(m_hDrawDib);
m_hDrawDib=NULL;
}
if(m_bmpDst!=NULL)
DeleteObject(m_bmpDst);
if(m_bmpSrc!=NULL)
DeleteObject(m_bmpSrc);
}
BOOL CCShow_3View::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CCShow_3View drawing
void CCShow_3View::OnDraw(CDC* pDC) //绘制图像
{
CCShow_3Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if(m_hDrawDib!=NULL&&m_bmpSrc!=NULL&&m_bmpDst!=NULL)
{
BITMAPINFOHEADER RGB32BITSBITMAPINFO=
{sizeof(BITMAPINFOHEADER),m_sizeDst.cx,m_sizeDst.cy,
1,32,BI_RGB,0,0,0,0,0};
DrawDibRealize(m_hDrawDib,pDC->GetSafeHdc(),TRUE);
DrawDibDraw(m_hDrawDib,pDC->GetSafeHdc(),0,0,m_sizeDst.cx,
m_sizeDst.cy,&RGB32BITSBITMAPINFO,(LPVOID)m_clrDst,0,0,
m_sizeDst.cx,m_sizeDst.cy,DDF_BACKGROUNDPAL);
}
// TODO: add draw code for native data here
}
/////////////////////////////////////////////////////////////////////////////
// CCShow_3View printing
BOOL CCShow_3View::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CCShow_3View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CCShow_3View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CCShow_3View diagnostics
#ifdef _DEBUG
void CCShow_3View::AssertValid() const
{
CView::AssertValid();
}
void CCShow_3View::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CCShow_3Doc* CCShow_3View::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCShow_3Doc)));
return (CCShow_3Doc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CCShow_3View message handlers
void CCShow_3View::OnFanzhuang() //翻转图像
{
// TODO: Add your command handler code here
if(m_nType==1)return;
if(m_bmpSrc!=NULL&&m_bmpDst!=NULL)
{
m_sizeDst.cx=m_sizeSrc.cy;
m_sizeDst.cy=m_sizeSrc.cx;
LONG x,y;
for(y=0;y<m_sizeSrc.cy;y++)
{
for(x=0;x<m_sizeSrc.cx;x++)
{
m_clrDst[y+(m_sizeDst.cy-x-1)*m_sizeDst.cx]=
m_clrSrc[x+y*m_sizeSrc.cx];
}
}
m_nType=1;
Invalidate();
}
}
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