ccolorbutton.cpp

VC++ scan

// ColorcButton.cpp : implementation file
//

#include "stdafx.h"
#include "scanner.h"
#include "CcolorButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// ColorcButton
IMPLEMENT_DYNAMIC(ColorcButton, CButton)

ColorcButton::ColorcButton()
{
}

ColorcButton::~ColorcButton()
{
}

//定义Attach（）函数

BOOL ColorcButton::Attach(const UINT nID, CWnd* pParent, const COLORREF BGColor, const COLORREF FGColor)

{

if (!SubclassDlgItem(nID, pParent))

return FALSE;

m_fg = FGColor;

m_bg = BGColor; 

return TRUE;

}
//重载DrawItem（）

void ColorcButton::DrawItem(LPDRAWITEMSTRUCT lpDIS)

{

CDC* pDC = CDC::FromHandle(lpDIS->hDC);

UINT state = lpDIS->itemState; 

CRect focusRect, btnRect;

focusRect.CopyRect(&lpDIS->rcItem); //按纽的选中虚线框

btnRect.CopyRect(&lpDIS->rcItem); 
// 设置表示按纽被选中的虚线框

focusRect.left += 4;

focusRect.right -= 4;

focusRect.top += 4;

focusRect.bottom -= 4;
// 按纽标题

const int bufSize = 512;

TCHAR buffer[bufSize];

GetWindowText(buffer, bufSize);
// 绘制并标志按纽 

DrawFilledRect(pDC, btnRect, GetBGColor()); 

DrawFrame(pDC, btnRect,FALSE);

DrawButtonText(pDC, btnRect, buffer, GetFGColor());
// 如果按纽处于选中状态则在其上绘制选中虚线框

if (state & ODS_FOCUS) {

DrawFrame(pDC, btnRect,TRUE);
DrawFocusRect(lpDIS->hDC, (LPRECT)&focusRect);

}

}

void ColorcButton::DrawFrame(CDC *DC, CRect R,BOOL stat)

{ //绘制按纽，用户通过定制该函数可实现不同形状的按纽。

	//以下绘制按纽的外围框线以使按纽有立体感

	//绘制按纽右框线和下框线 
	//绘制按纽左框线和上框线 
    if(stat)//如果按纽处于选中状态则在其上绘制外围框线I added
	{
         DrawLine(DC, R.left, R.top, R.right, R.top, RGB(255, 255,255)); 
         DrawLine(DC, R.left, R.top, R.left, R.bottom, RGB(255, 255, 255)); 
	}
    DrawLine(DC, R.left+1 , R.bottom-1 , R.right, R.bottom, RGB(1, 1, 1));
    DrawLine(DC, R.right-1 , R.top+1 , R.right, R.bottom, RGB(1, 1, 1));
}

//用色彩填充按纽框

void ColorcButton::DrawFilledRect(CDC *DC, CRect R, COLORREF color)

{ 

CBrush B;

B.CreateSolidBrush(color);
//R.bottom-=2; R.top+=2; R.left+=2; R.right-=2;
DC->FillRect(R, &B);

}

// DrawLine用于绘制按纽，其为多态函数
void ColorcButton::DrawLine(CDC *DC, CRect EndPoints, COLORREF color)
{ 
	CPoint cpStart,cpEnd;
	cpStart.x=EndPoints.left;	cpStart.y=EndPoints.top;
	cpEnd.x=EndPoints.right;	cpEnd.y=EndPoints.top;//bottom;

	CBrush Br,*OldBrush;
	Br.CreateSolidBrush(color);
	OldBrush=DC->SelectObject(&Br);
	DC->MoveTo(cpStart);
	DC->LineTo(cpEnd);

	cpStart.x=EndPoints.left;	cpStart.y=EndPoints.top;
	cpEnd.x=EndPoints.left;	cpEnd.y=EndPoints.bottom;

	DC->MoveTo(cpStart);
	DC->LineTo(cpEnd);

	cpStart.x=EndPoints.left;	cpStart.y=EndPoints.bottom;
	cpEnd.x=EndPoints.right;	cpEnd.y=EndPoints.bottom;

	DC->MoveTo(cpStart);
	DC->LineTo(cpEnd);

	cpStart.x=EndPoints.right;	cpStart.y=EndPoints.top;
	cpEnd.x=EndPoints.right;	cpEnd.y=EndPoints.bottom;

	DC->MoveTo(cpStart);
	DC->LineTo(cpEnd);

	DC->SelectObject(OldBrush);
}

void ColorcButton::DrawLine(CDC *DC, long left, long top, long right, long bottom, COLORREF color)
{ 
	CRect rect;
	rect.left=left;		rect.right=right;
	rect.top=top;		rect.bottom=bottom;
	DrawLine(DC, rect,  color);
}
//绘制按纽文本

void ColorcButton::DrawButtonText(CDC *DC, CRect R, const char *Buf, COLORREF TextColor)

{

COLORREF prevColor = DC->SetTextColor(TextColor);

DC->SetBkMode(TRANSPARENT);

DC->DrawText(Buf, strlen(Buf), R, DT_CENTER|DT_VCENTER|DT_SINGLELINE);

DC->SetTextColor(prevColor);

}



//BEGIN_MESSAGE_MAP(ColorcButton, CButton)
	//{{AFX_MSG_MAP(ColorcButton)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
//END_MESSAGE_MAP()

//////////////////////////////////////////////////////////////////////////
// ColorcButton message handlers