www.pudn.com > Exclent_image_learn.rar > ColorGrid.cpp

// ColorGrid.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ImageBoard.h" 
#include "ColorGrid.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CColorGrid 
 
CColorGrid::CColorGrid() 
{ 
	m_hCursor = NULL; 
} 
 
CColorGrid::~CColorGrid() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CColorGrid, CButton) 
	//{{AFX_MSG_MAP(CColorGrid) 
	ON_WM_SETCURSOR() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CColorGrid message handlers 
 
void CColorGrid::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)  
{ 
	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC); 
	CBrush brush(m_crColor); 
	 
	if (lpDrawItemStruct->itemAction & ODA_DRAWENTIRE) 
	{ 
		pDC->FillRect(&lpDrawItemStruct->rcItem, &brush); 
		DrawBorder(pDC); 
	} 
} 
 
void CColorGrid::SetColor(COLORREF crColor) 
{ 
	m_crColor = crColor; 
	Invalidate(); 
} 
 
void CColorGrid::DrawBorder(CDC * pDC) 
{ 
	CPen pen1(PS_SOLID,1,::GetSysColor(COLOR_BTNHIGHLIGHT)); 
	CPen pen2(PS_SOLID,1,::GetSysColor(COLOR_BTNSHADOW)); 
	CRect rect; 
	GetWindowRect(&rect); 
	CPen *pOldPen=pDC->SelectObject(&pen1); 
	pDC->MoveTo(rect.Width()-1,0); 
	pDC->LineTo(rect.Width()-1,rect.Height()-1); 
	pDC->LineTo(0,rect.Height()-1); 
	pDC->SelectObject(&pen2); 
	pDC->LineTo(0,0); 
	pDC->LineTo(rect.Width()-1,0); 
	pDC->SelectObject(pOldPen); 
} 
 
 
BOOL CColorGrid::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	if (m_hCursor != NULL) 
	{ 
		::SetCursor(m_hCursor); 
		return TRUE; 
	} 
	 
	return CButton::OnSetCursor(pWnd, nHitTest, message); 
} 
 
void CColorGrid::SetCursorHandle(HCURSOR hCursor)  
{ 
	m_hCursor = hCursor; 
}