www.pudn.com > VX.rar > DTASvmView.cpp

// DTASvmView.cpp : implementation of the CDTASvmView class 
// 
 
#include "stdafx.h" 
#include "DTASvm.h" 
 
#include "DTASvmDoc.h" 
#include "DTASvmView.h" 
#include "resource.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
CDTASvmView* g_pDTASView = NULL; //定义视图指针型的全局变量（在其他类中声明方可使用） 
 
///////////////////////////////////////////////////////////////////////////// 
// CDTASvmView 
 
IMPLEMENT_DYNCREATE(CDTASvmView, CView) 
 
BEGIN_MESSAGE_MAP(CDTASvmView, CView) 
	ON_WM_CONTEXTMENU() 
	//{{AFX_MSG_MAP(CDTASvmView) 
	ON_WM_CREATE() 
	ON_WM_SETCURSOR() 
	ON_WM_RBUTTONDOWN() 
	ON_COMMAND(ID_FILE_SAVE, OnFileSave) 
	ON_COMMAND(ID_FILE_SAVE_AS, OnFileSaveAs) 
	//}}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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDTASvmView construction/destruction 
 
CDTASvmView::CDTASvmView() 
{ 
	pen_Brown   = new CPen(PS_DOT,1,RGB(192,128,0)); 
} 
 
CDTASvmView::~CDTASvmView() 
{ 
	g_pDTASView = NULL;	 
	delete pen_Brown; 
} 
 
BOOL CDTASvmView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDTASvmView drawing 
 
void CDTASvmView::OnDraw(CDC* pDC) 
{ 
	CDTASvmDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	Drawing(); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDTASvmView printing 
 
BOOL CDTASvmView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CDTASvmView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CDTASvmView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDTASvmView diagnostics 
 
#ifdef _DEBUG 
void CDTASvmView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CDTASvmView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CDTASvmDoc* CDTASvmView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDTASvmDoc))); 
	return (CDTASvmDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CDTASvmView message handlers 
 
void CDTASvmView::Drawing()  //绘图函数 
{ 
	CDC* pDC=GetDC(); 
 
	CRect clientRect; 
	GetClientRect(&clientRect);	 
 
	for(int m = 18 ;m< 20;m++) //绘图示例—显示渐变色 
		if(Flags_c[m]) 
		{ 
			for(int h=clientRect.left;h<=clientRect.right;h++){ 
				float d=142/float(clientRect.right-clientRect.left); 
				CPen pen(PS_SOLID,0,RGB(78+h*d,102+h*d,113+h*d)); 
				CPen* oldpen = pDC->SelectObject(&pen); 
				pDC->MoveTo(clientRect.left+h,clientRect.top); 
				pDC->LineTo(clientRect.left+h,clientRect.bottom); 
				pDC->SelectObject(oldpen); 
			} 
			break; 
		} 
 
	for(int k = 13 ;k< 18;k++) //绘图示例—显示位图 
		if(Flags_c[k]) 
			{ 
				CBrush* pTempBrush = NULL; 
				CBrush OrigBrush; 
				OrigBrush.FromHandle((HBRUSH)pTempBrush);  
 
				CRect rc; 
				GetClientRect(&rc); 
				//ScreenToClient(&rc); 
				try 
				{ 
					CBitmap bmp; 
					bmp.LoadBitmap(IDB_BITBRUSH); 
					CBrush brush(&bmp); 
 
					pTempBrush = (CBrush*)pDC->SelectObject(brush); 
 
					pDC->Rectangle(rc.left,rc.top, rc.Width(), rc.Height()); 
					pDC->SelectObject(&OrigBrush); 
					break; 
				} 
				 catch(CResourceException* e) 
				 { 
					e->ReportError(); 
					e->Delete(); 
				 } 
 
			} 
 
	 
	for(int j = 8 ;j< 13;j++) // 绘图示例—椭圆 
		if(Flags_c[j]) 
		{ 
			pDC->Ellipse(&clientRect); 
			break; 
		} 
 
	for(int i = 0 ;i< 8;i++) // 绘图示例—对角线：得到客户区坐标 
		if(Flags_c[i]) 
		{ 
			CPen* pOldPen=pDC->SelectObject(pen_Brown); 
			pDC->MoveTo(clientRect.left,clientRect.top); 
			pDC->LineTo(clientRect.right,clientRect.bottom); 
			pDC->MoveTo(clientRect.left,clientRect.bottom); 
			pDC->LineTo(clientRect.right,clientRect.top); 
			break; 
			pDC->SelectObject(pOldPen); 
		} 
	ReleaseDC(pDC);   
} 
 
int CDTASvmView::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CView::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	g_pDTASView = this;  //给视图指针赋值 
 
	return 0; 
} 
 
BOOL CDTASvmView::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
		switch(m_nType)	 
	{ 
		case 0: 
			::SetCursor(AfxGetApp()->LoadCursor(IDC_CUR_ZOOMIN)); 
			break; 
		case 1: 
			::SetCursor(AfxGetApp()->LoadCursor(IDC_CUR_ZOOMOUT)); 
			break; 
		case 2: 
			::SetCursor(AfxGetApp()->LoadCursor(IDC_CUR_MOVING)); 
			break; 
		default: 
			::SetCursor(AfxGetApp()->LoadStandardCursor(IDC_ARROW)); 
			break; 
	}	 
	return TRUE;	 
} 
 
void CDTASvmView::OnRButtonDown(UINT nFlags, CPoint point)  
{ 
	m_nType = -1; 
	CView::OnRButtonDown(nFlags, point); 
} 
 
void CDTASvmView::OnFileSave()  
{ 
	// TODO: Add your command handler code here 
	 
} 
 
void CDTASvmView::OnFileSaveAs()  
{ 
	// TODO: Add your command handler code here 
	 
} 
 
void CDTASvmView::OnContextMenu(CWnd*, CPoint point) 
{ 

	// CG: This block was added by the Pop-up Menu component
	{
		if (point.x == -1 && point.y == -1){
			//keystroke invocation
			CRect rect;
			GetClientRect(rect);
			ClientToScreen(rect);

			point = rect.TopLeft();
			point.Offset(5, 5);
		}

		CMenu menu;
		VERIFY(menu.LoadMenu(CG_IDR_POPUP_DTASVM_VIEW));

		CMenu* pPopup = menu.GetSubMenu(0);
		ASSERT(pPopup != NULL);
		CWnd* pWndPopupOwner = this;

		while (pWndPopupOwner->GetStyle() & WS_CHILD)
			pWndPopupOwner = pWndPopupOwner->GetParent();

		pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y,
			pWndPopupOwner);
	} 
}