MiniDraw.zip_minidraw_封闭曲线

// MiniDrawView.cpp : implementation of the CMiniDrawView class // #include "stdafx.h" #include "MiniDraw.h" #include "MiniDrawDoc.h" #include "MiniDrawView.h" #define SAFEDELETE(p) {if(p){delete p; p=NULL;}} #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CMiniDrawView IMPLEMENT_DYNCREATE(CMiniDrawView, CView) BEGIN_MESSAGE_MAP(CMiniDrawView, CView) //{{AFX_MSG_MAP(CMiniDrawView) ON_WM_LBUTTONDOWN() ON_WM_MOUSEMOVE() ON_WM_LBUTTONUP() ON_COMMAND(ID_BUTTONLINE, OnButtonline) ON_COMMAND(ID_BUTTONELLIPSE, OnButtonellipse) ON_COMMAND(ID_BUTTONRECTANGLE, OnButtonrectangle) ON_COMMAND(ID_BUTTONSECTOR, OnButtonsector) ON_COMMAND(ID_BUTTONFREE, OnButtonfree) //}}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() ///////////////////////////////////////////////////////////////////////////// // CMiniDrawView construction/destruction CMiniDrawView::CMiniDrawView() { // TODO: add construction code here m_Dragging = 0; m_CurrentTool = ID_BUTTONLINE; } CMiniDrawView::~CMiniDrawView() { for( int i=0; i<m_FigArray.size(); i++) { SAFEDELETE ( m_FigArray.at(i) ); } } BOOL CMiniDrawView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CMiniDrawView drawing void CMiniDrawView::OnDraw(CDC* pDC) { CMiniDrawDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here for( int i=0; i<m_FigArray.size(); i++) { m_FigArray.at(i)->Draw(pDC); } } ///////////////////////////////////////////////////////////////////////////// // CMiniDrawView printing BOOL CMiniDrawView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CMiniDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CMiniDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CMiniDrawView diagnostics #ifdef _DEBUG void CMiniDrawView::AssertValid() const { CView::AssertValid(); } void CMiniDrawView::Dump(CDumpContext& dc) const { CView::Dump(dc); } CMiniDrawDoc* CMiniDrawView::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMiniDrawDoc))); return (CMiniDrawDoc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CMiniDrawView message handlers void CMiniDrawView::OnLButtonDown(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default m_PointOrigin = point; m_PointOld = point; m_Dragging = 1; CView::OnLButtonDown(nFlags, point); } void CMiniDrawView::OnMouseMove(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default if( !m_Dragging ) { return; } CClientDC ClientDC( this ); ClientDC.SelectStockObject (NULL_BRUSH); switch (m_CurrentTool) { case ID_BUTTONLINE: ClientDC.SetROP2( R2_NOT ); ClientDC.MoveTo( m_PointOrigin ); ClientDC.LineTo( m_PointOld ); ClientDC.MoveTo( m_PointOrigin ); ClientDC.LineTo( point ); break; case ID_BUTTONELLIPSE: ClientDC.SetROP2 (R2_NOT); ClientDC.Ellipse (m_PointOrigin.x, m_PointOrigin.y, m_PointOld.x, m_PointOld.y ); ClientDC.Ellipse (m_PointOrigin.x, m_PointOrigin.y, point.x, point.y ); break; case ID_BUTTONRECTANGLE: ClientDC.SetROP2 (R2_NOT); ClientDC.Rectangle (m_PointOrigin.x, m_PointOrigin.y, m_PointOld.x, m_PointOld.y ); ClientDC.Rectangle (m_PointOrigin.x, m_PointOrigin.y, point.x, point.y ); break; case ID_BUTTONSECTOR: ClientDC.SetROP2( R2_NOT ); ClientDC.MoveTo( m_PointOrigin ); ClientDC.LineTo( point ); case ID_BUTTONFREE: ClientDC.SetROP2( R2_NOT ); ClientDC.MoveTo( m_PointOld ); ClientDC.LineTo( point ); break; } m_PointOld = point; CView::OnMouseMove(nFlags, point); } void CMiniDrawView::OnLButtonUp(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default if( !m_Dragging ) { return ; } CClientDC ClientDC( this ); ClientDC.SelectStockObject (NULL_BRUSH); CFigure *pFigure = NULL; switch (m_CurrentTool) { case ID_BUTTONLINE: ClientDC.SetROP2( R2_NOT ); ClientDC.MoveTo( m_PointOrigin ); ClientDC.LineTo( m_PointOld ); pFigure = new CLine(m_PointOrigin.x, m_PointOrigin.y, point.x, point.y ); break; case ID_BUTTONELLIPSE: ClientDC.SetROP2 (R2_NOT); ClientDC.Ellipse (m_PointOrigin.x, m_PointOrigin.y, m_PointOld.x, m_PointOld.y ); pFigure = new CEllipse (m_PointOrigin.x, m_PointOrigin.y, point.x, point.y); break; case ID_BUTTONRECTANGLE: ClientDC.SetROP2 (R2_NOT); ClientDC.Rectangle (m_PointOrigin.x, m_PointOrigin.y, m_PointOld.x, m_PointOld.y ); pFigure = new CRectangle (m_PointOrigin.x, m_PointOrigin.y, point.x, point.y); break; case ID_BUTTONSECTOR: ClientDC.SetROP2( R2_NOT ); ClientDC.MoveTo( m_PointOrigin ); ClientDC.LineTo( point ); m_PointOld = point; pFigure = new CLine(m_PointOrigin.x, m_PointOrigin.y, point.x, point.y ); case ID_BUTTONFREE: ClientDC.SetROP2( R2_NOT ); ClientDC.MoveTo( m_PointOld ); ClientDC.LineTo( point ); pFigure = new CLine(m_PointOrigin.x, m_PointOrigin.y, point.x, point.y ); } ClientDC.SetROP2 (R2_COPYPEN); pFigure->Draw (&ClientDC); m_FigArray.push_back( pFigure ); m_Dragging = 0; CView::OnLButtonUp(nFlags, point); } void CMiniDrawView::OnButtonline() { // TODO: Add your command handler code here m_CurrentTool = ID_BUTTONLINE; } void CMiniDrawView::OnButtonellipse() { // TODO: Add your command handler code here m_CurrentTool = ID_BUTTONELLIPSE; } void CMiniDrawView::OnButtonrectangle() { // TODO: Add your command handler code here m_CurrentTool = ID_BUTTONRECTANGLE; } void CMiniDrawView::OnButtonsector() { // TODO: Add your command handler code here m_CurrentTool = ID_BUTTONSECTOR; } void CMiniDrawView::OnButtonfree() { // TODO: Add your command handler code here m_CurrentTool = ID_BUTTONFREE; }