// HeaderCtrlEx.cpp : 实现文件
//

#include "stdafx.h"
#include "HeaderCtrlEx.h"


// CHeaderCtrlEx

IMPLEMENT_DYNAMIC(CHeaderCtrlEx, CHeaderCtrl)

CHeaderCtrlEx::CHeaderCtrlEx()
{

}

CHeaderCtrlEx::~CHeaderCtrlEx()
{
}


BEGIN_MESSAGE_MAP(CHeaderCtrlEx, CHeaderCtrl)
	ON_WM_PAINT()
	ON_MESSAGE(HDM_LAYOUT, OnLayout)
END_MESSAGE_MAP()

LRESULT CHeaderCtrlEx::OnLayout( WPARAM wParam, LPARAM lParam )
{
	LRESULT lResult = CHeaderCtrl::DefWindowProc(HDM_LAYOUT, 0, lParam);
	HD_LAYOUT &hdl = *( HD_LAYOUT * ) lParam;
	RECT *prc = hdl.prc;
	WINDOWPOS *pwpos = hdl.pwpos;
	int nHeight = 35;
	pwpos->cy = nHeight;
	prc->top = nHeight;
	return lResult;
}

// CHeaderCtrlEx 消息处理程序;
void CHeaderCtrlEx::OnPaint()
{
	CPaintDC dc(this); // device context for painting  
	// TODO: 在此处添加消息处理程序代码;  
	RECT rRect;  
	GetClientRect(&rRect);  
	int nWidth = rRect.right-rRect.left;  
	int nHeight = rRect.bottom-rRect.top;  
	CDC memDC;  
	CBitmap memBitmap;  
	CBrush brush;  	 

	//填充整个客户区;  
	memDC.CreateCompatibleDC(&dc);  
	memBitmap.CreateCompatibleBitmap(&dc, nWidth, nHeight);  
	memDC.SelectObject(&memBitmap);  
	memDC.SetBkMode(TRANSPARENT);  
	//memDC.SelectObject(GetFont());   

	CFont font;
	font.CreateFont(-MulDiv(int(21), 72, 72),
		0, 0, 0, FW_NORMAL, 0, 0, 0, GB2312_CHARSET,
		OUT_STROKE_PRECIS, CLIP_STROKE_PRECIS, PROOF_QUALITY,
		FIXED_PITCH | FF_SWISS, "微软雅黑");

	memDC.SelectObject(&font);


	TRIVERTEX        vert[2] ;
	GRADIENT_RECT    gRect;
	vert [0] .x      = rRect.left;
	vert [0] .y      = rRect.top;
	vert [1] .x      = rRect.right;
	vert [1] .y      = rRect.bottom;

	vert [0] .Red    = 0xff00;
	vert [0] .Green  = 0xff00;
	vert [0] .Blue   = 0xff00;
	vert [0] .Alpha  = 0x0000;

	vert [1] .Red    = 0x9100;
	vert [1] .Green  = 0xd100;
	vert [1] .Blue   = 0xf300;
	vert [1] .Alpha  = 0xff00;

	gRect.UpperLeft  = 0;
	gRect.LowerRight = 1;
	memDC.GradientFill(vert,2,&gRect,1,GRADIENT_FILL_RECT_V);

	//memDC.FillSolidRect(&rRect, RGB(172,232,244));

	int nCount = GetItemCount();  
	for (int i =0; i < nCount; i++)  
	{  
		CRect itemRc;   
		GetItemRect(i, &itemRc);  
		CRect txtRc= itemRc;  
		txtRc.left+=5;  
		//txtRc.top +=5;  

		HDITEM Item={0};  
		TCHAR  lpBuffer[256] = {0}; 
		Item.cchTextMax = 256;  
		Item.pszText = lpBuffer;  
		Item.mask = HDI_TEXT;  
		GetItem(i, &Item);  


		memDC.DrawText(lpBuffer, txtRc, DT_LEFT | DT_SINGLELINE | DT_VCENTER);  

		//切割线;
		CPen pen;  
		pen.CreatePen(PS_SOLID, 1, 0xFFE4E1);  
		memDC.SelectObject(&pen);  
		memDC.MoveTo(itemRc.right, itemRc.top);  
		memDC.LineTo(itemRc.right, itemRc.bottom);  
		pen.DeleteObject();  
		pen.CreatePen(PS_SOLID, 1, 0xFFFFFF);  
		memDC.SelectObject(&pen);  
		memDC.MoveTo(itemRc.right+1, itemRc.top);  
		memDC.LineTo(itemRc.right+1, itemRc.bottom);  

	}  
	//底边线;  
	CPen pen;  
	pen.CreatePen(PS_SOLID, 1,0xFFE4E1);  
	memDC.SelectObject(&pen);  
	memDC.MoveTo(rRect.left, rRect.bottom-1);  
	memDC.LineTo(rRect.right, rRect.bottom-1);  
	pen.DeleteObject();  
	//pen.CreatePen(PS_SOLID, 1, 0xFFFFFF);  
	//memDC.SelectObject(&pen);  
	//memDC.MoveTo(rRect.left, rRect.bottom-2);  
	//memDC.LineTo(rRect.right, rRect.bottom-2);  

	dc.BitBlt(0,0, nWidth, nHeight, &memDC, 0, 0, SRCCOPY); 

	ReleaseDC(&memDC);
}


BOOL CHeaderCtrlEx::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID)
{
	// TODO: 在此添加专用代码和/或调用基类;

	return CHeaderCtrl::Create(dwStyle, rect, pParentWnd, nID);
}