zcr14paintview.cpp

一个画笔的程序,可以进行直线,圆和方形等图形进行画图,并可以撤消上一步的动作

// ZCR14PaintView.cpp : implementation of the CZCR14PaintView class
//

#include "stdafx.h"
#include "ZCR14Paint.h"
#include "ZCR14Shape.h"

#include "ZCR14List.h"
#include "ZCR14PaintDoc.h"
#include "ZCR14PaintView.h"
#include "OptionZone.h"
#include "MainFrm.h"
#include "MyToolBar.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CZCR14PaintView

IMPLEMENT_DYNCREATE(CZCR14PaintView, CView)

BEGIN_MESSAGE_MAP(CZCR14PaintView, CView)
	//{{AFX_MSG_MAP(CZCR14PaintView)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_LINE, OnUpdateButtonLine)
	ON_COMMAND(ID_BUTTON_LINE, OnButtonLine)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_MOUSEMOVE()
	ON_UPDATE_COMMAND_UI(ID_BUTTON_RECT, OnUpdateButtonRect)
	ON_COMMAND(ID_BUTTON_RECT, OnButtonRect)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_ELLIPSE, OnUpdateButtonEllipse)
	ON_COMMAND(ID_BUTTON_ELLIPSE, OnButtonEllipse)
	ON_COMMAND(ID_BUTTON_ROUND_RECT, OnButtonRoundRect)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_ROUND_RECT, OnUpdateButtonRoundRect)
	ON_COMMAND(ID_BUTTON_POLYGON, OnButtonPolygon)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_POLYGON, OnUpdateButtonPolygon)
	ON_COMMAND(ID_BUTTON_CURVE, OnButtonCurve)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_CURVE, OnUpdateButtonCurve)
	ON_COMMAND(ID_BUTTON_TEXT, OnButtonText)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_TEXT, OnUpdateButtonText)
	ON_COMMAND(ID_BUTTON_IRREG_SEL, OnButtonIrregSel)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_IRREG_SEL, OnUpdateButtonIrregSel)
	ON_COMMAND(ID_BUTTON_RECT_SEL, OnButtonRectSel)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_RECT_SEL, OnUpdateButtonRectSel)
	ON_COMMAND(ID_BUTTON_ERASER, OnButtonEraser)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_ERASER, OnUpdateButtonEraser)
	ON_COMMAND(ID_BUTTON_FILL, OnButtonFill)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_FILL, OnUpdateButtonFill)
	ON_COMMAND(ID_BUTTON_SELCOLOR, OnButtonSelcolor)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_SELCOLOR, OnUpdateButtonSelcolor)
	ON_COMMAND(ID_BUTTON_MAGNIFY, OnButtonMagnify)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_MAGNIFY, OnUpdateButtonMagnify)
	ON_COMMAND(ID_BUTTON_PEN, OnButtonPen)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_PEN, OnUpdateButtonPen)
	ON_COMMAND(ID_BUTTON_BRUSH, OnButtonBrush)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_BRUSH, OnUpdateButtonBrush)
	ON_COMMAND(ID_BUTTON_AIRBRUSH, OnButtonAirbrush)
	ON_UPDATE_COMMAND_UI(ID_BUTTON_AIRBRUSH, OnUpdateButtonAirbrush)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CZCR14PaintView construction/destruction

CZCR14PaintView::CZCR14PaintView()
{
	// TODO: add construction code here
	m_emPaintType = IRREG_SEL;
	m_bDrawing = FALSE;
	m_bFirstDraw = FALSE;

}

CZCR14PaintView::~CZCR14PaintView()
{
     CZCR14PaintDoc* pDoc = GetDocument();
     POSITION pos = pDoc->m_lstShape.GetHeadPosition();
	 while(pos)
	 {
		 pShape=(CZCR14Shape*)pDoc->m_lstShape.GetNext(pos);
		 delete pShape;
	 }
}

BOOL CZCR14PaintView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CZCR14PaintView drawing

void CZCR14PaintView::OnDraw(CDC* pDC)
{
	CZCR14PaintDoc* pDoc = GetDocument();//将View与DOC联系起来
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	//CBrush* pOldBrush=pDC->SelectObject(&brush);
	
	
/*	switch(m_emPaintType)
	{
	case LINE:
		{
		CPen pen(PS_SOLID,GetPenWith(), GetPainColor());
		CPen* pOldPen=pDC->SelectObject(&pen);	
		pDC->MoveTo(m_ptStart.x,m_ptStart.y);
		pDC->LineTo(m_ptEnd.x,m_ptEnd.y);
		}
		break;
	case RECT:
		switch (GetRectType())
		{
		case 0:
			{
		CPen pen(PS_SOLID,GetPenWith(), GetPainColor());
		CPen* pOldPen=pDC->SelectObject(&pen);	
        pDC->Rectangle(m_ptStart.x,m_ptStart.y,m_ptEnd.x,m_ptEnd.y);
			}
		break;
		case 1:
			{
		CPen pen(PS_SOLID,GetPenWith(), GetPainColor());
		CPen* pOldPen=pDC->SelectObject(&pen);
		CBrush brush;
		brush.CreateSolidBrush(GetCanvasColor());
		CBrush* pOldbrush=pDC->SelectObject(&brush);
		pDC->Rectangle(m_ptStart.x,m_ptStart.y,m_ptEnd.x,m_ptEnd.y);
			}
		break;
		case 2:
			{
				CPen pen(PS_SOLID,GetPenWith(), GetCanvasColor());
				CPen* pOldPen=pDC->SelectObject(&pen);
				CBrush brush;
				brush.CreateSolidBrush(GetCanvasColor());
				CBrush* pOldbrush=pDC->SelectObject(&brush);
				pDC->Rectangle(m_ptStart.x,m_ptStart.y,m_ptEnd.x,m_ptEnd.y);
			}
		}
		break;
	case ROUND_RECT:
		//pDC->Ellipse(m_ptStart.x,m_ptStart.y,m_ptStart.x+,m_ptStart.y+m_ptEnd.y);
		break;
	}
	*/
	POSITION pos=pDoc->m_lstShape.GetHeadPosition();   
		//m_lstShape.GetHeadPosition();
	while(pos)
	{
		pShape=(CZCR14Shape*)pDoc->m_lstShape.GetNext(pos);
		pShape->Draw(pDC);
		


	}
	 
}

/////////////////////////////////////////////////////////////////////////////
// CZCR14PaintView printing

BOOL CZCR14PaintView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CZCR14PaintView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CZCR14PaintView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CZCR14PaintView diagnostics

#ifdef _DEBUG
void CZCR14PaintView::AssertValid() const
{
	CView::AssertValid();
}

void CZCR14PaintView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CZCR14PaintDoc* CZCR14PaintView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CZCR14PaintDoc)));
	return (CZCR14PaintDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CZCR14PaintView message handlers

void CZCR14PaintView::OnUpdateButtonLine(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
		pCmdUI->SetCheck(m_emPaintType==LINE);
}

void CZCR14PaintView::OnButtonLine() 
{
	// TODO: Add your command handler code here
		m_emPaintType = LINE;
	    SetSelBox(SEL_PENWIDTH);
}

void CZCR14PaintView::SetSelBox(int type)
{
((CMainFrame*)AfxGetMainWnd())->m_wndToolBar.SetSelType((SELTYPE)type);
}

void CZCR14PaintView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	//CDC* pDC = GetDC();
	m_ptStart = point;
	//m_ptEnd=point;
//	m_bPaintFlag=TRUE;
	switch(m_emPaintType)
	{
	case LINE:
		{
		pLine=new CZCR14Line;
		break;
		}
    case RECT:
		{
		pRect=new CZCR14Rect;
		break;
		}
	case ELLIPSE:
		{
		pEllipse=new CZCR14Ellipse;
		break;
		}
	}
	  m_bDrawing = TRUE;
	  //ReleaseDC(pDC);
	CView::OnLButtonDown(nFlags, point);
}

void CZCR14PaintView::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CZCR14PaintDoc* pDoc = GetDocument();
	switch(m_emPaintType)
	{
    case LINE:
		{
			pDoc->m_lstShape.AddTail(pLine);
			break;
		}
	case RECT:
		{
			pDoc->m_lstShape.AddTail(pRect);
			break;
		}
	case ELLIPSE:
		{
			pDoc->m_lstShape.AddTail(pEllipse);
			break;
		}
		
	}
    Invalidate();

    m_bDrawing=FALSE;
	//m_ptEnd=point;
    //m_ptEnd=point;
	
	//m_bPaintFlag=FALSE;
	//Invalidate();
	CView::OnLButtonUp(nFlags, point);
}

void CZCR14PaintView::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	/*CMainFrame* pFrame = (CMainFrame*)AfxGetMainWnd();
	CString strCoord;
	strCoord.Format(" %d, %d", point.x, point.y);
	pFrame->m_wndStatusBar.SetPaneText(1, strCoord, TRUE);

	if(m_bDrawing)
	//{
	    CDC* pDC = GetDC();
		//switch (m_emPaintType)
		//{
	//	case RECT:
		//	if ( !m_bFirstDraw )
			//	Rectangle(pDC,m_ptStart,m_ptEnd);	
			//else
	       // m_bFirstDraw = FALSE;
		//	Rectangle(pDC,m_ptStart,point);	
			//m_ptEnd = point;
		//b/reak;
		//}
	  // ReleaseDC(pDC);
//	}
	m_ptEnd=point;
	*/
       CDC* pDC = GetDC();
       
     CZCR14PaintDoc* pDoc = GetDocument();
	if(m_bDrawing==TRUE)
	{
        m_ptEnd=point;
        int old=pDC->SetROP2(R2_NOTXORPEN);
		switch(m_emPaintType)
		{
		case LINE:
		{
            pLine->Draw(pDC);
			pLine->SetPenWidthColor(GetPenWith(),GetPainColor());
			pLine->SetPoint(m_ptStart,m_ptEnd);
            pLine->Draw(pDC);
			//pDoc->m_lstShape.AddTail(pLine);
			break;	
		}