demodlg.cpp

服务端: 这是一个完整的基于Wince 4.1图形图象,网络通讯(C/S)模式下的商用程序源代码包.

// DemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PPPServer.h"
#include "DemoDlg.h"

#include "pppserverdlg.h"

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

extern CPPPServerDlg *m_main_dlg;
extern bool m_all_run_flag;
extern  CList<LOGFONT,LOGFONT&> m_all_logfont;
extern  SYSTEM_PARAMETER m_system_para;

#define SAFE_RELEASE(x) { if (x) x->Release(); x = NULL; }
/////////////////////////////////////////////////////////////////////////////
// CDemoDlg dialog


CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDemoDlg::IDD, pParent)
{
	m_pGraph = NULL;
	m_pMediaControl = NULL;
	m_pEvent = NULL;
	m_pMediaSeeking = NULL;
	pBV=NULL;
	//m_strMediaFile = "";
	m_isPlaying = FALSE;

	m_video_finished_flag=false;
	//{{AFX_DATA_INIT(CDemoDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDemoDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CDemoDlg)
	ON_WM_PAINT()
	ON_WM_LBUTTONUP()
	ON_WM_SIZE()
	ON_WM_MOVE()
	ON_MESSAGE(WM_GRAPHNOTIFY, OnGraphNotify)
	ON_MESSAGE(WM_STOPVIDEO,OnStopVideo)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoDlg message handlers

BOOL CDemoDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	//自定义调色板 for gif
       for(int ii=0;ii<256;ii++)
        {
              user_myrgb[3*ii+0]=ii;
              user_myrgb[3*ii+1]=ii;
              user_myrgb[3*ii+2]=ii;
        }
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDemoDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	if(m_isPlaying == FALSE)
	{
	//	CClientDC dc(GetDlgItem(IDC_VW_FRAME));
		dc.SetBkColor(RGB(0,0,0));
		CRect rc;//(0,0,320,240);
		//GetDlgItem(IDC_VW_FRAME)->
		GetClientRect(rc);
		//ClientToScreen(rc);
		dc.FillRect(rc, CBrush::FromHandle((HBRUSH)GetStockObject(BLACK_BRUSH)));
		//　GetDlgItem(IDC_VW_FRAME)->Invalidate();
	}
	// Do not call CDialog::OnPaint() for painting messages
}

void CDemoDlg::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	::PostMessage(m_main_dlg->GetSafeHwnd(),WM_SHOW_MAINWND_MESSAGE,0,0); 
	CDialog::OnLButtonUp(nFlags, point);
}
///////////////////////////////////////////////////
void CDemoDlg::ShowTextFile(CString filename,int in,int out,long speed,long delaytime,TEXTPROPERTY tp)
{  
//	TEXTPROPERTY
  FILE *fp1;
  fp1=_tfopen(filename,L"rb");
  if(!fp1) return;

  LOGFONT lg,lf;
  
  memset(&lf, 0, sizeof(LOGFONT));       // Zero out the structure.
  POSITION pos=m_all_logfont.FindIndex( tp.m_text_font_name);
  if(pos)
  {
	  lg=m_all_logfont.GetAt(pos);	
	  lf=lg;
	  //lstrcpy(lf.lfFaceName, lg.lfFaceName);
	  lf.lfWidth=tp.m_text_font_width;
	  lf.lfHeight=tp.m_text_font_height;
	  
	  //fc,bc  

  }
  else
  {
   lf.lfHeight = 16;                      // Request a 16-pixel-height font.
   lf.lfWidth =16 ;
   lstrcpy(lf.lfFaceName, _T("Arial"));   // Request a face name "Arial".
  }
 
  CFont font;  
  //create font
  VERIFY(font.CreateFontIndirect(&lf));  // Create the font.
 
   CClientDC dc(this);
   CRect rect;
   GetClientRect(&rect);
   //rect.Width 
   DWORD  w,h;
   w=rect.Width();
   h=rect.Height(); 
   //create brush for fillrect by black color
   CBrush brush;
   brush.CreateSolidBrush(RGB(0,0,0));
   
    CDC MemDC;
	CBitmap tmpbmp,*oldbmp;
   
  // CDC MemDC;
   MemDC.CreateCompatibleDC(&dc); 
  // CBitmap tmpbmp,*oldbmp;
   tmpbmp.CreateCompatibleBitmap(&dc,w,h);
   oldbmp=MemDC.SelectObject(&tmpbmp);    //

   //MemDC.SetBkMode(TRANSPARENT); 
   //cls
   MemDC.FillRect(CRect(0,0,w,h),&brush); 

   //select cur font
   CFont* def_font = MemDC.SelectObject(&font);
   //set text color
   //set bkcolor
   MemDC.SetTextColor(tp.m_text_fc_color);
   MemDC.SetBkColor(tp.m_text_bc_color);  
   //set text property
   //MemDC.m_hDC 
   
   // HDC hdc;                   // handle to device context 
    TEXTMETRIC tm;             // structure for text metrics  
    //hdc = ::GetDC(this->m_hWnd); 
    //GetTextMetrics(hdc, &tm); 
   ::GetTextMetrics(MemDC.m_hAttribDC,&tm);
	
	///
     
    // Save the average character width and height.  
	DWORD dwCharX;      // average width of characters 
    DWORD dwCharY;      // height of characters 
    dwCharX = tm.tmAveCharWidth; 
    dwCharY = tm.tmHeight; 
	///
    DWORD dwLineLen;    // line length 
    DWORD dwLines;      // text lines in client area 
	//
	dwLineLen = w - dwCharX; 
    dwLines = h / dwCharY; 
    
	//
	  //// Retrieve the character's width 
      // the character. 
    int nCharWidth = 0; // width of a character 

	
  //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
   TCHAR ch[2];
   DWORD X,Y;
   X=0;
   Y=0;
   FILE *fp;
   fp=_tfopen(filename,L"rb");
   //if(!fp)  goto exit_text;
   while(!feof(fp))
   {
	   if(m_all_run_flag==false) break;
	   //
	   if(fread((char *)&ch[0],1,sizeof(ch[0]),fp)!=sizeof(ch[0])) break;
	   //
	  // if( ferror( fp ) ) 
	  // {
		   //debug
	//	   int k,d;
	//	   k=0;
	//	   d=k;		   
	//   }
	   if(ch[0]<_T(' '))//0x20
	   {
            
		   if(ch[0]==_T('\n'))
		   {
            //
			   X = 0; 
               ++Y; 
			   if(Y>=dwLines)
			   {
				Y=0;
			
				//draw cur full text pic
				//....
				DemoPic(dc,MemDC, w, h, in,out, speed,delaytime);
				//
				Sleep(delaytime);
				//cls
                 MemDC.FillRect(CRect(0,0,w,h),&brush); 
			   }
		   }

		   continue;            
	   }
	   //
	   ch[1]=NULL;
       GetCharWidth32(MemDC.m_hAttribDC, ch[0], ch[0], &nCharWidth);
	  // nCharWidth=GetFontSizeW(MemDC.m_hAttribDC, ch, 1);
	  if(X+nCharWidth>w)
	  {
        X=0;
		++Y;
		if(Y>=dwLines)
		 {
		   Y=0;
		   //draw cur full text pic
		   //....
			DemoPic(dc,MemDC, w, h, in,out, speed,delaytime);                
		   //delaytime
			Sleep(delaytime);
			//cls
            MemDC.FillRect(CRect(0,0,w,h),&brush); 			 
		 }
		
         //		
	  }
	    //DRAW CHAR nCaretPosY * dwCharY
	    MemDC.ExtTextOut(X, Y*dwCharY, ETO_OPAQUE, NULL, ch, 1,NULL);  
	   
	    X += nCharWidth;   

   }
  
   //the rest half screen text
   if(Y>0||X>0)
   {
    //draw cur full text pic
	DemoPic(dc,MemDC, w, h, in,out, speed,delaytime);
    //delaytime
	Sleep(delaytime);
   }
   /////////////////////////////////////////////////////// 
   //close file 
   fclose(fp); 
  //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  
//exit_text:
   //....
	//delete brush
   brush.DeleteObject(); 
   //DemoPic(dc,MemDC, w, h, in,out, speed,delaytime);
   //::ReleaseDC(this->m_hWnd, hdc); 
   //release font
   MemDC.SelectObject(def_font);
   //Finished with the font, now delete the font object.
   font.DeleteObject();
   
   //releasse dc and bitmap
   MemDC.SelectObject(oldbmp);
   tmpbmp.DeleteObject();
   MemDC.DeleteDC();

}
void CDemoDlg::ShowPicture(CString filename,int in,int out,long speed,long delaytime,int position)
{
	
	if(filename.IsEmpty()) return; 
    FILE *fp;
	fp=_tfopen(filename,L"rb");
	if(!fp) return;
	fclose(fp);
  
	//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
	CDC MemDC;
	CBitmap tmpbmp,*oldbmp;
	//CString filename;	
	CClientDC dc(this);
	CRect rect;
	GetClientRect(&rect);
	int w,h;
	w=rect.Width();
	h=rect.Height(); 
    
	 //draw picture:bmp,jpg,jpeg,gif(pic),others:png,etc.
		 MemDC.CreateCompatibleDC(&dc);          
         tmpbmp.CreateCompatibleBitmap(&dc,w,h);
         oldbmp=MemDC.SelectObject(&tmpbmp); 

         CVOImage m_image;
	    //MemDC.GetSafeHdc() 
		 //Load pic file
		 if(!m_image.Load(MemDC.GetSafeHdc(),filename))
		 {
			 //release resource
		     MemDC.SelectObject(oldbmp); 
             tmpbmp.DeleteObject(); 
             MemDC.DeleteDC(); 
			 return;
		 }
		 //copy...		
		//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	
		long pw,ph;
		pw=m_image.GetWidth();
		ph=m_image.GetHeight(); 
			
		if(position==0)//center
		{
         long sx,sy;
		 if(pw>=w) 
			 sx=0;
		 else
			 sx=(w-pw)/2;
		 ///////////////////
		 if(ph>=h) 
			 sy=0;
		 else
			 sy=(h-ph)/2;
		 //draw
         m_image.Draw(MemDC.GetSafeHdc(),sx,sy,pw,ph);
		 
		}
		else if(position==1)//stretch
		{
		  //draw
          m_image.Draw(MemDC.GetSafeHdc(),0,0,w,h);
		}
		else//flat--对视频无效
		{
         
		 CBitmap tb,*ob;
	     CDC mdc;		  
		//######################################################################
		mdc.CreateCompatibleDC(&dc);          
        tb.CreateCompatibleBitmap(&dc,pw,ph);
        ob=mdc.SelectObject(&tb); 
		//draw
		m_image.Draw(mdc.GetSafeHdc(),0,0,pw,ph);
		  
		//flat 贴图
         int xx,yy;
		 xx=w/pw;
		 yy=h/ph;
		 if(w%pw!=0) xx++;
		 if(h%ph!=0) yy++;
		 //水平方向://垂直方向
		 for(int i=0;i<xx;i++)
			 for(int j=0;j<yy;j++)
		 {
			 MemDC.BitBlt(i*pw, j*ph, pw,ph, &mdc, 0, 0, SRCCOPY);
		 }		
		 
        ////内部  release resource 
        mdc.SelectObject(ob); 
        tb.DeleteObject(); 
        mdc.DeleteDC(); 
		}
		//
		 //SHOW==========================================	
	    DemoPic(dc,MemDC, w, h, in,out, speed,delaytime);
		 //

	    //release resource
		MemDC.SelectObject(oldbmp); 
        tmpbmp.DeleteObject(); 
        MemDC.DeleteDC(); 
	
	//#################################################
	
}
void CDemoDlg::ShowGifAni(CString filename,long speed,long times,int position)
{
      CClientDC dc(this);
   	//LPCGLOBAL_INFO gi;
       // LPCFRAME fm;
        //
		//CGif89a gif;
	   // HBITMAP m_hBitmap;
	   // BYTE *imageData;
		//
		//打开GIF图象文件
        
	   //
       if(!gif.open(filename,false)) 
	   {   
		   //AfxMessageBox(TEXT("open gif error"),MB_OK);
		  return;
	   }
	 //Memo1->Lines->Add("版本＝"+StrPas(gif.getVer())+"\r\n");
	  gi = gif.getGlobalInfo();
	  //get data to buffer
	  imageData=  (UNALIGNED BYTE*)::malloc(gi->scrWidth*gi->scrHeight*3);	  
	  if(!imageData)
	  {		 
		 gif.close(); 
		 return  ;
	  }	  
	  //create dc buffer
	  //MemDC.CreateCompatibleDC(&dc); 
	    CRect rect;
		GetClientRect(&rect);
     long ttt=times;
	 if(ttt<=0) ttt=1;
	 for(int kkk=0;kkk<ttt;kkk++)
	 {
		if(m_all_run_flag==false) break;
		 //reset gif
        gif.Reset();

      //显示所有显示帧画面
      for(UINT n=0;n<gi->frames;n++)
	  {
		if(m_all_run_flag==false) break;
       // get cur  gif frame
	    fm = gif.getNextFrame();
		if(fm == NULL)
		{   
			gif.close();
			::free(imageData); 
			imageData=NULL;			
			return;
		}
        if(m_all_run_flag==false) break;
	   //Load cur frame
		HBITMAP m_hBitmap;
        m_hBitmap =LoadGifCurFrame(imageData,gi,fm);
        if (! m_hBitmap)