【VC开源代码栏目提醒】:网学会员为广大网友收集整理了,CShow_4View.cpp,希望对大家有所帮助!
// CShow_4View.cpp : implementation of the CCShow_4View class
//
#include "stdafx.h"
#include "CShow_4.h"
#include "CShow_4Doc.h"
#include "CShow_4View.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CCShow_4View
IMPLEMENT_DYNCREATE(CCShow_4View, CView)
BEGIN_MESSAGE_MAP(CCShow_4View, CView)
//{{AFX_MSG_MAP(CCShow_4View)
ON_COMMAND(IDB_MSK, OnMsk)
//}}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_4View construction/destruction
CCShow_4View::CCShow_4View()
{
// TODO: add construction code here
m_hDrawDib=NULL;
m_hDrawDib=DrawDibOpen();
HBITMAP hBmp=(HBITMAP)LoadImage(NULL,"bitmap.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
//加载位图
HDC hMemDC=CreateCompatibleDC(NULL); //创建兼容DC
if(hMemDC)
{
GetObject(hBmp,sizeof(bm),&bm);
m_size=CSize(bm.bmWidth,bm.bmHeight);
BITMAPINFOHEADER RGB32BITSBITMAPINFO=
{sizeof(BITMAPINFOHEADER),bm.bmWidth,bm.bmHeight,
1,32,BI_RGB,0,0,0,0};
m_bmpSrc=CreateDIBSection(hMemDC,(BITMAPINFO*)&RGB32BITSBITMAPINFO,
DIB_RGB_COLORS,(VOID**)&m_clrSrc,NULL,0); //创建与设备无关位图
if(m_bmpSrc)
{
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(hDC,hOldBmp2);
DeleteDC(hDC);
}
SelectObject(hMemDC,hOldBmp);
}
DeleteDC(hMemDC);
}
}
CCShow_4View::~CCShow_4View()
{
if(m_hDrawDib!=NULL)
{
DrawDibClose(m_hDrawDib);
m_hDrawDib=NULL;
}
if(m_bmpSrc!=NULL)
DeleteObject(m_bmpSrc);
}
BOOL CCShow_4View::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CCShow_4View drawing
void CCShow_4View::OnDraw(CDC* pDC)
{
CCShow_4Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
}
/////////////////////////////////////////////////////////////////////////////
// CCShow_4View printing
BOOL CCShow_4View::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CCShow_4View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CCShow_4View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CCShow_4View diagnostics
#ifdef _DEBUG
void CCShow_4View::AssertValid() const
{
CView::AssertValid();
}
void CCShow_4View::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CCShow_4Doc* CCShow_4View::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCShow_4Doc)));
return (CCShow_4Doc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CCShow_4View message handlers
void CCShow_4View::OnMsk() //马赛克效果绘图
{
// TODO: Add your command handler code here
if(m_bmpSrc==NULL||m_hDrawDib==NULL)return;
Invalidate();
int nTileSize=10;
int nTileNum=((m_size.cx+nTileSize-1)/nTileSize)*((m_size.cy+nTileSize-1)/nTileSize);
POINT *pt=new POINT[nTileNum];
int x=0;
int y=0;
int i;
for(i=0;i<nTileNum;i++)
{
pt[i].x=x;
pt[i].y=y;
x=x+nTileSize;
if(x>m_size.cx)
{
x=0;
y=y+nTileSize;
}
}
BITMAPINFOHEADER RGB32BITSBITMAPINFO=
{sizeof(BITMAPINFOHEADER),m_size.cx,m_size.cy,
1,32,BI_RGB,0,0,0,0,0};
CPaintDC dc(this);
DrawDibRealize(m_hDrawDib,dc.GetSafeHdc(),TRUE);
double fMax=RAND_MAX;
for(i=nTileNum-1;i>=0;i--)
{
int n=(int)((double)nTileNum*rand()/fMax);
x=pt[n].x;
y=pt[n].y;
DrawDibDraw(m_hDrawDib,dc.GetSafeHdc(),10+x,10+y,nTileSize,nTileSize,
&RGB32BITSBITMAPINFO,(LPVOID)m_clrSrc,
x,y,nTileSize,nTileSize,DDF_BACKGROUNDPAL);
pt[n].x=pt[i].x;
pt[n].y=pt[i].y ;
Sleep(20);
}
delete[] pt;
DrawDibDraw(m_hDrawDib,dc.GetSafeHdc(),10,10,m_size.cx,m_size.cy,
&RGB32BITSBITMAPINFO,(LPVOID)m_clrSrc,
0,0,m_size.cx,m_size.cy,DDF_BACKGROUNDPAL);
}
上一篇:
CShow_4Doc.cpp
下一篇:
科研管理杂志简介