//?GradientProgressCtrl.cpp?:?implementation?file
#include?“stdafx.h“
#include?“GradientProgressCtrl.h“

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

/////////////////////////////////////////////////////////////////////////////
//?CGradientProgressCtrl

CGradientProgressCtrl::CGradientProgressCtrl（）
{
	//初始化
	m_nLower?=?0;
	m_nUpper?=?100;
	m_nCurrentPosition?=?0;
	m_nStep?=?10;	
	
	//m_clrStart	=?COLORREF（RGB（247?12834））;
	//m_clrEnd?=	?COLORREF（RGB（4523586））;
	//m_clrBkGround?=?::GetSysColor（COLOR_3DFACE）;
	//m_clrText?=?COLORREF（RGB（95?60?119））;
	//?
	m_clrStart	=?COLORREF（RGB（219?253255））;
	m_clrEnd?=	?COLORREF（RGB（00205））;
	m_clrBkGround?=?::GetSysColor（COLOR_3DFACE）;
	m_clrText?=?COLORREF（RGB（95?60?119））;

	m_bShowPercent?=?FALSE;
}

CGradientProgressCtrl::~CGradientProgressCtrl（）
{
}


BEGIN_MESSAGE_MAP（CGradientProgressCtrl?CProgressCtrl）
	//{{AFX_MSG_MAP（CGradientProgressCtrl）
	ON_WM_PAINT（）
	ON_WM_ERASEBKGND（）
	//}}AFX_MSG_MAP
END_MESSAGE_MAP（）

/////////////////////////////////////////////////////////////////////////////
//?CGradientProgressCtrl?message?handlers

void?CGradientProgressCtrl::OnPaint（）?
{
	CPaintDC?dc（this）;?//?device?context?for?painting

	//如果進度條的當前位置不正確，則漸變到背景色
	if?（m_nCurrentPosition?<=?m_nLower?||?m_nCurrentPosition?>=?m_nUpper）
	{
		CRect?rect;
		GetClientRect（rect）;
		CBrush?brush;
		brush.CreateSolidBrush（::GetSysColor（COLOR_3DFACE））;
		dc.FillRect（&rect?&brush）;
		VERIFY（brush.Deleteobject（））;
		return;
	}


	//獲得需要漸變的區域
	CRect?rectClient;
	GetClientRect（&rectClient）;
	float?maxWidth（（float）m_nCurrentPosition/（float）m_nUpper?*?（float）rectClient.right）;


	//畫漸變顏色
	DrawGradient（&dc?rectClient?（int）maxWidth）;

	//如果需要顯示百分數，則顯示
	if?（m_bShowPercent）
	{
		CString?percent;
		percent.Format（_T（“%.0f%%“）?100.0f*（float）m_nCurrentPosition/（float）m_nUpper）;
		dc.SetTextColor（m_clrText）;
		dc.SetBkMode（TRANSPARENT）;
		dc.DrawText（percent?&rectClient?DT_VCENTER?|??DT_CENTER?|?DT_SINGLELINE）;
	}
}


//設置進度條范圍
void?CGradientProgressCtrl::?SetRange（int?nLower?int?nUpper）
{
	m_nLower?=?nLower;
	m_nUpper?=?nUpper;
	m_nCurrentPosition?=?nLower;
	CProgressCtrl::SetRange（nLower?nUpper）;
}

//設置進度條的位置
int?CGradientProgressCtrl::?SetPos（int?nPos）
{
	m_nCurrentPosition?=?nPos;
	return?（CProgressCtrl::SetPos（nPos））;
}

//設置進度條的步長
int?CGradientProgressCtrl::?SetStep（int?nStep）
{
	m_nStep?=?nStep;
	return?（CProgressCtrl::SetStep（nStep））;
}

int?CGradientProgressCtrl::?StepIt（void）
{
	m_nCurrentPosition?+=?m_nStep;
	return?（CProgressCtrl::StepIt（））;
}

//在適當區域畫漸變顏色
void?CGradientProgressCtrl::DrawGradient（CPaintDC?*pDC?const?RECT?&rectClient?const?int?&nMaxWidth）
{
	RECT?rectFill;			???
	float?fStep;??????????????
	CBrush?brush;			

	
	CProgressMemDC?memDC（pDC）;

	//找到其實顏色和結束顏色之間的最大顏色值，決定漸變步長等
	int?r?g?b;							
	float?rStep?gStep?bStep

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-09-21?14:35??MFCApplication5\
?????文件??????????88??2015-07-03?10:44??MFCApplication5\desktop.ini
?????目錄???????????0??2015-09-21?14:35??MFCApplication5\MFCApplication5\
?????文件?????????912??2015-06-09?11:43??MFCApplication5\MFCApplication5.sln
?????文件???????32768??2015-06-09?17:31??MFCApplication5\MFCApplication5.v11.suo
?????文件???????32768??2015-09-21?14:34??MFCApplication5\MFCApplication5.v12.suo
?????文件????????4333??2015-06-09?16:50??MFCApplication5\MFCApplication5\GradientProgressCtrl.cpp
?????文件????????2210??2015-06-09?11:48??MFCApplication5\MFCApplication5\GradientProgressCtrl.h
?????文件????????1747??2015-06-09?13:25??MFCApplication5\MFCApplication5\MemDC.h
?????文件??????108832??2015-06-09?13:36??MFCApplication5\MFCApplication5\MFCApplication5.aps
?????文件????????2485??2015-06-09?11:43??MFCApplication5\MFCApplication5\MFCApplication5.cpp
?????文件?????????496??2015-06-09?11:43??MFCApplication5\MFCApplication5\MFCApplication5.h
?????文件???????10694??2015-06-09?13:36??MFCApplication5\MFCApplication5\MFCApplication5.rc
?????文件????????6354??2015-09-21?14:34??MFCApplication5\MFCApplication5\MFCApplication5.vcxproj
?????文件????????2401??2015-06-09?11:49??MFCApplication5\MFCApplication5\MFCApplication5.vcxproj.filters
?????文件?????????164??2015-06-09?11:57??MFCApplication5\MFCApplication5\MFCApplication5.vcxproj.user
?????文件????????4563??2015-06-09?13:57??MFCApplication5\MFCApplication5\MFCApplication5Dlg.cpp
?????文件?????????837??2015-06-09?13:37??MFCApplication5\MFCApplication5\MFCApplication5Dlg.h
?????文件????????4188??2015-06-09?11:43??MFCApplication5\MFCApplication5\ReadMe.txt
?????目錄???????????0??2015-06-09?11:43??MFCApplication5\MFCApplication5\res\
?????文件????????1432??2015-06-09?13:34??MFCApplication5\MFCApplication5\resource.h
?????文件???????67777??2012-01-11?01:22??MFCApplication5\MFCApplication5\res\MFCApplication5.ico
?????文件?????????686??2015-06-09?11:43??MFCApplication5\MFCApplication5\res\MFCApplication5.rc2
?????文件?????????148??2015-06-09?11:43??MFCApplication5\MFCApplication5\stdafx.cpp
?????文件????????1578??2015-06-09?11:43??MFCApplication5\MFCApplication5\stdafx.h
?????文件?????????234??2015-06-09?11:43??MFCApplication5\MFCApplication5\targetver.h