www.pudn.com > drawpad.zip > DrawPadView.cpp

// DrawPadView.cpp : implementation of the CDrawPadView class 
// 
 
#include "stdafx.h" 
#include "DrawPad.h" 
 
#include "DrawPadDoc.h" 
#include "DrawPadView.h" 
#include "entity.h" 
#include "eselection.h" 
 
#include "linetool.h" 
#include "selecttool.h" 
#include "ellipsetool.h" 
#include "rectangletool.h" 
#include "circletool.h" 
#include "circlefilltool.h" 
#include "ellipsefilltool.h" 
#include "rectanglefilltool.h" 
#include "texttool.h" 
#include "textdlg2.h" 
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CDrawPadView 
 
IMPLEMENT_DYNCREATE(CDrawPadView, CScrollView) 
 
BEGIN_MESSAGE_MAP(CDrawPadView, CScrollView) 
	//{{AFX_MSG_MAP(CDrawPadView) 
	ON_COMMAND(ID_LINE, OnLine) 
	ON_WM_MOUSEMOVE() 
	ON_WM_LBUTTONDOWN() 
	ON_WM_LBUTTONUP() 
	ON_UPDATE_COMMAND_UI(ID_LINE, OnUpdateLine) 
	ON_COMMAND(ID_CIRCLE, OnCircle) 
	ON_UPDATE_COMMAND_UI(ID_CIRCLE, OnUpdateCircle) 
	ON_COMMAND(ID_STYLE, OnStyle) 
	ON_UPDATE_COMMAND_UI(ID_STYLE, OnUpdateStyle) 
	ON_COMMAND(ID_TEXT, OnText) 
	ON_UPDATE_COMMAND_UI(ID_TEXT, OnUpdateText) 
	ON_COMMAND(ID_SELECT, OnSelect) 
	ON_UPDATE_COMMAND_UI(ID_SELECT, OnUpdateSelect) 
	ON_COMMAND(ID_RECTANGLE, OnRectangle) 
	ON_UPDATE_COMMAND_UI(ID_RECTANGLE, OnUpdateRectangle) 
	ON_COMMAND(ID_ELLIPSE, OnEllipse) 
	ON_UPDATE_COMMAND_UI(ID_ELLIPSE, OnUpdateEllipse) 
	ON_COMMAND(ID_CIRCLEFILL, OnCirclefill) 
	ON_UPDATE_COMMAND_UI(ID_CIRCLEFILL, OnUpdateCirclefill) 
	ON_COMMAND(ID_ELLIPSEFILL, OnEllipsefill) 
	ON_UPDATE_COMMAND_UI(ID_ELLIPSEFILL, OnUpdateEllipsefill) 
	ON_COMMAND(ID_RECTANGLEFILL, OnRectanglefill) 
	ON_UPDATE_COMMAND_UI(ID_RECTANGLEFILL, OnUpdateRectanglefill) 
	//}}AFX_MSG_MAP 
	// Standard printing commands 
	ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDrawPadView construction/destruction 
 
CDrawPadView::CDrawPadView() 
{ 
	// TODO: add construction code here 
	selection = new SELECTION(this); 
	selection->SetNotify(TRUE); 
	m_HArrow=AfxGetApp()->LoadStandardCursor(IDC_ARROW); 
	m_HCross=AfxGetApp()->LoadStandardCursor(IDC_CROSS); 
	m_Drawing = 0; 
} 
 
CDrawPadView::~CDrawPadView() 
{ 
		delete selection; 
} 
 
BOOL CDrawPadView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
	m_ClassName=AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW,0, 
		(HBRUSH)::GetStockObject(WHITE_BRUSH),0); 
	cs.lpszClass=m_ClassName; 
	return CScrollView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDrawPadView drawing 
 
void CDrawPadView::OnDraw(CDC* pDC) 
{ 
	CDrawPadDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
 
	// TODO: add draw code for native data here 
	pDoc->Draw(pDC); 
	GetSelection()->Draw(); 
} 
void CDrawPadView::DrawEntity(ENTITY *ent, int method) 
{ 
	CDC *pDC = GetDC(); 
	ent->Draw(pDC, method); 
	ReleaseDC(pDC); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDrawPadView printing 
 
BOOL CDrawPadView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CDrawPadView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CDrawPadView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDrawPadView diagnostics 
 
#ifdef _DEBUG 
void CDrawPadView::AssertValid() const 
{ 
	CScrollView::AssertValid(); 
} 
 
void CDrawPadView::Dump(CDumpContext& dc) const 
{ 
	CScrollView::Dump(dc); 
} 
 
CDrawPadDoc* CDrawPadView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDrawPadDoc))); 
	return (CDrawPadDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CDrawPadView message handlers 
CDrawPadView *CDrawPadView::CurrentView() 
{ 
	CMDIFrameWnd *fWnd = (CMDIFrameWnd *)AfxGetMainWnd(); 
	CMDIChildWnd *pWnd = fWnd->MDIGetActive(); 
	if( !pWnd ) return 0; 
	return (CDrawPadView *)pWnd->GetActiveView(); 
} 
 
 
MOUSE_TOOL *CDrawPadView::CurrentTool = new SELECT_TOOL; 
 
void CDrawPadView::OnLine()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new LINE_TOOL); 
	m_Drawing = ID_LINE; 
} 
 
/*void CDrawPadView::OnEllipse()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new ELLIPSE_TOOL); 
	m_Drawing = ID_ELLIPSE; 
}*/ 
 
//MOUSE_TOOL *CDrawPadView::CurrentTool =new SELECT_TOOL; 
 
void CDrawPadView::SetTool(MOUSE_TOOL *newtool) 
{ 
	if( CurrentTool ) delete CurrentTool; 
	if( newtool ) 
		CurrentTool = newtool; 
	else 
		CurrentTool = new SELECT_TOOL; 
} 
 
void CDrawPadView::OnMouseEvent(int evType, UINT nFlags, CPoint point) 
{ 
	if( CurrentTool ) { 
		PICK_EVENT pe(point, 0, this, nFlags); 
		CurrentTool->ProcessEvent(evType, pe); 
	} 
} 
 
void CDrawPadView::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CClientDC ClientDC(this); 
	OnPrepareDC(&ClientDC); 
	ClientDC.DPtoLP(&point); 
	CSize ScrollSize=GetTotalSize(); 
	CRect ScrollRect(0,0,ScrollSize.cx,ScrollSize.cy); 
	if(ScrollRect.PtInRect(point)) 
		::SetCursor(m_HCross); 
	else 
		::SetCursor(m_HArrow); 
	OnMouseEvent(WM_MOUSEMOVE, nFlags, point); 
	CScrollView::OnMouseMove(nFlags, point); 
} 
 
void CDrawPadView::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CClientDC ClientDC(this); 
	OnPrepareDC(&ClientDC); 
	ClientDC.DPtoLP(&point); 
	OnMouseEvent(WM_LBUTTONDOWN, nFlags, point); 
	m_bPoint=point; 
	CScrollView::OnLButtonDown(nFlags, point); 
} 
 
void CDrawPadView::OnLButtonUp(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CClientDC ClientDC(this); 
	OnPrepareDC(&ClientDC); 
	ClientDC.DPtoLP(&point);	 
	OnMouseEvent(WM_LBUTTONUP, nFlags, point); 
	CRect rect(m_bPoint,point); 
	InvalidateRect(rect); 
	CScrollView::OnLButtonUp(nFlags, point); 
} 
 
 
void CDrawPadView::OnUpdateLine(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(CurrentTool && CurrentTool->IsKindOf(RUNTIME_CLASS(LINE_TOOL))); 
	//	pCmdUI->SetCheck(m_Drawing == ID_LINE?TRUE:FALSE); 
} 
 
/*void CDrawPadView::OnRectangle()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new RECTANGLE_TOOL); 
	m_Drawing = ID_RECTANGLE; 
}*/ 
 
/*void CDrawPadView::OnUpdateRectangle(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_RECTANGLE?TRUE:FALSE); 
}*/ 
 
 
 
/*void CDrawPadView::OnUpdateEllipseSolid(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_CIRCLEFILL?TRUE:FALSE);	 
}*/ 
 
/*void CDrawPadView::OnRectangleSolid()  
{ 
	// TODO: Add your command handler code here 
	m_Drawing = ID_RECTANGLEFILL; 
}*/ 
 
/*void CDrawPadView::OnUpdateRectangleSolid(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_RECTANGLEFILL?TRUE:FALSE);	 
}*/ 
 
void CDrawPadView::OnCircle()  
{ 
	// TODO: Add your command handler code here 
	m_Drawing = ID_CIRCLE; 
	SetTool(new CIRCLE_TOOL); 
} 
 
void CDrawPadView::OnUpdateCircle(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_CIRCLE?TRUE:FALSE); 
} 
 
/*void CDrawPadView::OnRoundSolid()  
{ 
	// TODO: Add your command handler code here 
	m_Drawing = ID_ROUNDRECTANGLEFILL; 
} 
 
void CDrawPadView::OnUpdateRoundSolid(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_ROUNDRECTANGLEFILL?TRUE:FALSE); 
}*/ 
 
void CDrawPadView::OnStyle()  
{ 
	// TODO: Add your command handler code here 
	 
} 
 
void CDrawPadView::OnUpdateStyle(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	 
} 
 
void CDrawPadView::OnText()  
{ 
	// TODO: Add your command handler code here 
	CDrawPadDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	CTextDlg2 dlg; 
	dlg.m_edit1=pDoc->m_String; 
	dlg.m_dlgFont=pDoc->m_Font; 
	if(dlg.DoModal()==IDOK) 
	{ 
		m_Drawing = ID_TEXT; 
		SetTool(new TEXT_TOOL); 
		pDoc->m_String=dlg.m_edit1; 
		pDoc->m_Font=dlg.m_dlgFont; 
		pDoc->m_Vertex=dlg.m_radio; 
	} 
} 
 
void CDrawPadView::OnUpdateText(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_TEXT?TRUE:FALSE); 
} 
 
 
 
/*void CDrawPadView::OnEllipseSolid()  
{ 
	// TODO: Add your command handler code here 
	m_Drawing = ID_CIRCLEFILL; 
	 
}*/ 
 
/*void CDrawPadView::OnUpdateEllipse(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_ELLIPSE?TRUE:FALSE); 
}*/ 
 
void CDrawPadView::OnSelect()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new SELECT_TOOL); 
} 
 
void CDrawPadView::OnUpdateSelect(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(CurrentTool && CurrentTool->IsKindOf(RUNTIME_CLASS(SELECT_TOOL))); 
} 
 
/*void CDrawPadView::OnUpdateEllipse(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	 
}*/ 
 
/*void CDrawPadView::OnEllipsefill()  
{ 
	// TODO: Add your command handler code here 
	 
}*/ 
 
/*void CDrawPadView::OnUpdateEllipsefill(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	 
}*/ 
 
 
void CDrawPadView::OnRectangle()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new RECTANGLE_TOOL); 
	m_Drawing = ID_RECTANGLE;	 
} 
 
void CDrawPadView::OnUpdateRectangle(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_RECTANGLE?TRUE:FALSE); 
	 
} 
 
void CDrawPadView::OnEllipse()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new ELLIPSE_TOOL); 
	m_Drawing = ID_ELLIPSE;	 
	 
} 
 
void CDrawPadView::OnUpdateEllipse(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_ELLIPSE?TRUE:FALSE); 
	 
} 
 
void CDrawPadView::OnCirclefill()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new CIRCLEFILL_TOOL); 
	m_Drawing = ID_CIRCLEFILL;	 
} 
 
void CDrawPadView::OnUpdateCirclefill(CCmdUI* pCmdUI)  
{ 
 	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_CIRCLEFILL?TRUE:FALSE);	 
} 
 
void CDrawPadView::OnEllipsefill()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new ELLIPSEFILL_TOOL); 
	m_Drawing = ID_ELLIPSEFILL;		 
} 
 
void CDrawPadView::OnUpdateEllipsefill(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_ELLIPSEFILL?TRUE:FALSE);		 
} 
 
void CDrawPadView::OnRectanglefill()  
{ 
	// TODO: Add your command handler code here 
	SetTool(new RECTANGLEFILL_TOOL); 
	m_Drawing = ID_RECTANGLEFILL;			 
} 
 
void CDrawPadView::OnUpdateRectanglefill(CCmdUI* pCmdUI)  
{ 
	// TODO: Add your command update UI handler code here 
	pCmdUI->SetCheck(m_Drawing == ID_RECTANGLEFILL?TRUE:FALSE);			 
} 
 
void CDrawPadView::OnInitialUpdate()  
{ 
	CScrollView::OnInitialUpdate(); 
	 
	// TODO: Add your specialized code here and/or call the base class 
	SIZE Size={800,600}; 
	SetScrollSizes(MM_TEXT,Size); 
}