usedlgdemoview.cpp

VC++6开发指南的源代码第7章-第11章

// UseDlgDemoView.cpp : implementation of the CUseDlgDemoView class
//

#include "stdafx.h"
#include "UseDlgDemo.h"

#include "ColorDlg.h"

#include "UseDlgDemoDoc.h"
#include "UseDlgDemoView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CUseDlgDemoView

IMPLEMENT_DYNCREATE(CUseDlgDemoView, CView)

BEGIN_MESSAGE_MAP(CUseDlgDemoView, CView)
	//{{AFX_MSG_MAP(CUseDlgDemoView)
	ON_COMMAND(ID_SETCOLOR, OnSetcolor)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CUseDlgDemoView construction/destruction

CUseDlgDemoView::CUseDlgDemoView()
{
	// TODO: add construction code here
	r=0;
	g=0;
	b=255;

}

CUseDlgDemoView::~CUseDlgDemoView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CUseDlgDemoView drawing

void CUseDlgDemoView::OnDraw(CDC* pDC)
{
	CUseDlgDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CFont myfont;//定义字体
	LOGFONT font;
	memset(&font,0,sizeof(LOGFONT));
	font.lfHeight=30;//字体高度
	font.lfWeight=500;
	strcpy(font.lfFaceName,"Arial");//字体样式
	myfont.CreateFontIndirect(&font);
	pDC->SelectObject(&myfont);//DC载入字体
	COLORREF crColor=RGB(r,g,b);
	pDC->SetTextColor(crColor);//设置文本颜色
	pDC->TextOut(20,50,"对话框数据交换与数据校验！");//输出文本
}

/////////////////////////////////////////////////////////////////////////////
// CUseDlgDemoView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CUseDlgDemoView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CUseDlgDemoView message handlers

void CUseDlgDemoView::OnSetcolor() 
{
	// TODO: Add your command handler code here
	CColorDlg dlg;
	dlg.m_r=r;//将文字的颜色信息传给对话框控件数据成员
	dlg.m_g=g;
	dlg.m_b=b;
	if(dlg.DoModal()==IDOK)//创建模态对话框
	{
		r=dlg.m_r;  //把数据从对话框传给视图
		g=dlg.m_g;
		b=dlg.m_b;
		Invalidate(false);  //更新视图
	}
}