s10_4view.cpp

四川大学教学的MFC的ppt 以及源代码

// s10_4View.cpp : implementation of the CS10_4View class
//

#include "stdafx.h"
#include "s10_4.h"

#include "s10_4Doc.h"
#include "s10_4View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CS10_4View

IMPLEMENT_DYNCREATE(CS10_4View, CView)

BEGIN_MESSAGE_MAP(CS10_4View, CView)
	//{{AFX_MSG_MAP(CS10_4View)
	ON_COMMAND(ID_MENUITEM_BRUSH1, OnMenuitemBrush1)
	ON_COMMAND(ID_MENUITEM_BRUSH2, OnMenuitemBrush2)
	ON_COMMAND(ID_MENUITEM_BRUSH3, OnMenuitemBrush3)
	ON_COMMAND(ID_MENUITEM_PEN1, OnMenuitemPen1)
	ON_COMMAND(ID_MENUITEM_PEN2, OnMenuitemPen2)
	ON_COMMAND(ID_MENUITEM_PEN3, OnMenuitemPen3)
	ON_COMMAND(ID_MENUITEM_FONT1, OnMenuitemFont1)
	ON_COMMAND(ID_MENUITEM_FONT2, OnMenuitemFont2)
	ON_COMMAND(ID_MENUITEM_FONT3, OnMenuitemFont3)
	ON_WM_LBUTTONDOWN()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CS10_4View construction/destruction

CS10_4View::CS10_4View()
{
	// TODO: add construction code here

}

CS10_4View::~CS10_4View()
{
}

BOOL CS10_4View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CS10_4View drawing

void CS10_4View::OnDraw(CDC* pDC)
{
	CS10_4Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	int xCoordinate, yCoordinate;			// 当前鼠标单击位置
	xCoordinate = pDoc->m_oMousePoint.x;
	yCoordinate = pDoc->m_oMousePoint.y;
	CPen oPen;
	CPen *pOldPen;
	CBrush oBrush;
	CBrush *pOldBrush;
	CFont oFont;
	CFont *pOldFont;
	switch(m_GdiType)
	{
	case PEN:
		{
			oPen.CreatePen(PS_SOLID, pDoc->m_iPenWidth, RGB(0, 0, 255));
			pOldPen = pDC->SelectObject(&oPen);
			pDC->MoveTo(xCoordinate, yCoordinate);
			pDC->LineTo(xCoordinate + 300, yCoordinate);
			pDC->SelectObject(pOldPen);
			break;
		}
	case BRUSH:
		{
			oBrush.CreateHatchBrush(pDoc->m_iBrushStyle, RGB(0, 0, 255));
			pOldBrush = pDC->SelectObject(&oBrush);
			pDC->Ellipse(xCoordinate - 200, yCoordinate - 50, xCoordinate + 200, yCoordinate + 50);
			pDC->SelectObject(pOldBrush);
			break;
		}
	case FONT:
		{
			oFont.CreateFontIndirect(&pDoc->m_sLogFont);
			pOldFont = pDC->SelectObject(&oFont);
			pDC->TextOut(xCoordinate, yCoordinate, "字体演示!");
		}
	}

}

/////////////////////////////////////////////////////////////////////////////
// CS10_4View printing

BOOL CS10_4View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CS10_4View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CS10_4View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CS10_4View diagnostics

#ifdef _DEBUG
void CS10_4View::AssertValid() const
{
	CView::AssertValid();
}

void CS10_4View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CS10_4Doc* CS10_4View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CS10_4Doc)));
	return (CS10_4Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CS10_4View message handlers

void CS10_4View::OnMenuitemBrush1() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_iBrushStyle = HS_HORIZONTAL;	// 水平阴影线
	m_GdiType = BRUSH;	
	
}

void CS10_4View::OnMenuitemBrush2() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_iBrushStyle = HS_VERTICAL;		// 垂直阴影线
	m_GdiType = BRUSH;	
	
}

void CS10_4View::OnMenuitemBrush3() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_iBrushStyle = HS_DIAGCROSS;		// 交叉阴影线
	m_GdiType = BRUSH;	
	
}

void CS10_4View::OnMenuitemPen1() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_iPenWidth = 80;					// 粗画笔	
	m_GdiType = PEN;	
	
}

void CS10_4View::OnMenuitemPen2() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_iPenWidth = 40;					// 中画笔
	m_GdiType = PEN;	
	
}

void CS10_4View::OnMenuitemPen3() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_iPenWidth = 10;					// 细画笔	
	m_GdiType = PEN;	
	
}

void CS10_4View::OnMenuitemFont1() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_sLogFont.lfHeight = 80;			// 大字体
	m_GdiType = FONT;	
	
}

void CS10_4View::OnMenuitemFont2() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_sLogFont.lfHeight = 30;			// 中字体
	m_GdiType = FONT;	
	
}

void CS10_4View::OnMenuitemFont3() 
{
	// TODO: Add your command handler code here
	CS10_4Doc *pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDoc->m_sLogFont.lfHeight = 15;			// 小字体
	m_GdiType = FONT;	
	
}

void CS10_4View::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CS10_4Doc *pDoc = GetDocument();		// 取得文档类的指针
	ASSERT_VALID(pDoc);
	pDoc->m_oMousePoint = point;			// 保存当前鼠标的单击位置
	Invalidate();							// 使当前客户区无效，重绘客户区
	CView::OnLButtonDown(nFlags, point);
}