colorsetdlg.cpp

自己作的程序很使用的大家快去下载把,多多提出意见啊

// ColorSetDlg.cpp : implementation file
//

#include "stdafx.h"
#include "zhangfujk02.h"
#include "ColorSetDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CColorSetDlg dialog


CColorSetDlg::CColorSetDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CColorSetDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CColorSetDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CColorSetDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CColorSetDlg)
	DDX_Control(pDX, IDC_SLIDERB, m_blue);
	DDX_Control(pDX, IDC_SLIDERG, m_green);
	DDX_Control(pDX, IDC_SLIDERR, m_red);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CColorSetDlg, CDialog)
	//{{AFX_MSG_MAP(CColorSetDlg)
	ON_WM_HSCROLL()
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorSetDlg message handlers

BOOL CColorSetDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	m_red.SetRange(0,255);
	m_red.SetPos(m_RValue);

	m_green.SetRange(0,255);
	m_green.SetPos(m_GValue);

	m_blue.SetRange(0,255);
	m_blue.SetPos(m_BValue);
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CColorSetDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	//红色滚动条
	if(pScrollBar->GetDlgCtrlID()==IDC_SLIDERR)
	{
		m_RValue=m_red.GetPos();
		Draw();
	}

	//绿色滚动条
	if(pScrollBar->GetDlgCtrlID()==IDC_SLIDERG)
	{
		m_GValue=m_green.GetPos();
		Draw();
	}

	///蓝色滚动条
	if(pScrollBar->GetDlgCtrlID()==IDC_SLIDERB)
	{
		m_BValue=m_blue.GetPos();
		Draw();
	}
	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}
//控件中绘图
void CColorSetDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	CWnd* pWnd=GetDlgItem(IDC_DRAW);
	pWnd->UpdateWindow();
	Draw();
	// Do not call CDialog::OnPaint() for painting messages
}


void CColorSetDlg::Draw()
{
	CWnd* pWnd=GetDlgItem(IDC_DRAW);
	CDC *pDC=pWnd->GetDC();
	CBrush drawBrush;
	drawBrush.CreateSolidBrush(RGB(m_RValue,m_GValue,m_BValue));
	CBrush *pOldBrush=pDC->SelectObject(&drawBrush);
	CRect rect;
	pWnd->GetClientRect(&rect);
	pDC->Rectangle(rect);
	pDC->SelectObject(pOldBrush);
}