gprsstatic.cpp

开发环境为EVC++,这个是一个我的一个简单的拨号程序,是通过串口接的GPRS模块,有开发WinCE下的同志可以以次入门

// clockstrl.cpp : Defines the class behaviors for the application.
//


/////////////////////////////////  Includes  //////////////////////////////////
#include "stdafx.h"
#include "Gprsstatic.h"


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

///////////////////////////////// Implementation //////////////////////////////

BEGIN_MESSAGE_MAP(CGprsStatic, CStatic)
  //{{AFX_MSG_MAP(CGprsStatic)
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

CGprsStatic::CGprsStatic()
{
	Init();
}

void CGprsStatic::PreSubclassWindow() 
{
  CStatic::PreSubclassWindow();//Let the parent class do its thing
  PreDrawBackGround();
}

void CGprsStatic::OnPaint() 
{
	CPaintDC dc(this);//最少要在此函数中调用一次(CPaintDC)
//	Refresh();
	DrawInterFace();
}

BOOL CGprsStatic::OnEraseBkgnd(CDC* pDC) 
{

	if(m_bBkTransparent)
	{
		if(!m_bDCStored)
		{
			CRect  clientRect;
			GetClientRect(&clientRect);
			int cx=clientRect.Width ();
			int cy=clientRect.Height ();
			// Store our orignal DC.
			CBitmap	bitmap;
			memDC.CreateCompatibleDC (pDC);
			bitmap.CreateCompatibleBitmap (pDC,cx,cy);
			memDC.SelectObject (&bitmap);
			memDC.BitBlt (0,0,cx,cy,pDC,0,0,SRCCOPY);
			m_bDCStored=TRUE;
		}
		return TRUE;
	}
	else
	{
		return FALSE;
	}
	//return TRUE;
}

CGprsStatic::CGprsStatic(UINT BackgroundID,BOOL BackGroudEnable)
{
	Init();
	m_DispBMPBackground=BackGroudEnable;
	m_BMPBackgroundID=BackgroundID;
	m_bBkTransparent=FALSE;
	m_bDCStored=FALSE;
}
void CGprsStatic::Init()
{
	//Initialize the member variables to their default values
	m_ColorBackground =RGB(154,203,233);
	m_BMPBackgroundID=0;
	m_DispBMPBackground=FALSE;
	m_ColorCaption=RGB(255,255,255);
	m_csStrCaptionName=_T("");
	m_uiFontHight=15;
	m_uiFontWidth=0;
}

void CGprsStatic::DrawBackGround()
{
	if(m_DispBMPBackground)
	{
		// device context for painting

		//CPaintDC dc(this);
		CClientDC dc(this);//这里不能用CPaintDC，否则有问题
		//Force a recalc if not initialized
		//-------------------------------------
		CDC dcMem; 
		dcMem.CreateCompatibleDC(&dc);   //创建与对话框dc兼容的内存dc

		CRect rect;
		GetClientRect(&rect);

		BITMAP bitMap;
		m_bmpBackground.GetBitmap(&bitMap);

		CBitmap *pbmpOld=dcMem.SelectObject(&m_bmpBackground);		//将背景位图选入内存dc中
		dc.StretchBlt(0,0,rect.Width(),rect.Height(),&dcMem,0,0,bitMap.bmWidth,bitMap.bmHeight,SRCCOPY);   //将内存dc中的位图拉伸显示在对话框的dc中
		//-------------------------------------
		//SetBitmap((HBITMAP)pbmpOld->Detach());  
	}
}

void CGprsStatic::PreDrawBackGround()
{
	if(m_DispBMPBackground)
	{
		m_bmpBackground.LoadBitmap(m_BMPBackgroundID);					// 窗体背景图片
	}	
}

//add for Translate style
void CGprsStatic::Refresh()
{
	CRect	rect;
	GetClientRect(&rect);	
	CClientDC  dc(this);
	if(m_bBkTransparent==FALSE)
	{
		//画背景或者填充背景颜色
	//	dc.FillRect(&rect,&CBrush(::GetSysColor(COLOR_BTNFACE)) );

	}
	else
	{
		dc.BitBlt (0,0,rect.Width (),rect.Height (),&memDC,0,0,SRCCOPY);
	}
}

void CGprsStatic::SetTransparent(BOOL bTransparent)
{
	m_bBkTransparent=bTransparent;
}

void CGprsStatic::DrawInterFace()//元素入口
{
//	CPaintDC dc(this);//调用此函数发WM_PAINT消息
	Refresh();
	DrawBackGround();
	DrawCaptionFace();
}

void CGprsStatic::DrawCaptionFace()
{
  //Work out the size of the point rectangle
		RECT rRect;

		CRect rectClient;
		GetClientRect(&rectClient);

		rRect.left=rectClient.left;//(rectClient.Width()*1)/2;
		rRect.top=rectClient.top+2;
		rRect.right=rectClient.right;
		rRect.bottom=rectClient.bottom;
		// font we use  
		CFont   font;   
		font.CreateFont(
					   m_uiFontHight,                        // nHeight
					   m_uiFontWidth,                         // nWidth
					   0,                         // nEscapement
					   0,                         // nOrientation
					   FW_BOLD,//FW_NORMAL,                 // nWeight
					   TRUE,//FALSE,                     // bItalic
					   FALSE,                     // bUnderline
					   0,                         // cStrikeOut
					   ANSI_CHARSET,              // nCharSet
					   OUT_DEFAULT_PRECIS,        // nOutPrecision
					   CLIP_DEFAULT_PRECIS,       // nClipPrecision
					   DEFAULT_QUALITY,           // nQuality
					   DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily
					   _T("Arial")				// lpszFacename
					   );
		// Use the font which you just created.
		CClientDC dc(this);  
		CFont* def_font = dc.SelectObject(&font);

		dc.SetBkMode(TRANSPARENT);

		dc.SetTextColor(m_ColorCaption);
		dc.DrawText(m_csStrCaptionName,&rRect, DT_RIGHT | DT_TOP);
		dc.SelectObject(def_font);
		// Finished with the font, now delete the font object.
		font.DeleteObject();
}

void CGprsStatic::SetCaption(LPTSTR ptsCaptionName,COLORREF colorfont,UINT uifontHight,UINT uifontWidth)
{
	m_csStrCaptionName=ptsCaptionName;
	m_ColorCaption=colorfont;
	m_uiFontHight=uifontHight;
	m_uiFontWidth=uifontWidth;
	DrawInterFace();
}