TransClientView.cpp

// TransClientView.cpp : implementation of the CTransClientView class
//

#include "stdafx.h"
#include "TransClient.h"

#include "TransClientDoc.h"
#include "TransClientView.h"
#include "ConnectDialog.h"
#include "ProfileDialog.h"
#include <vfw.h>

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

extern HWND pPlayer;
extern CClient m_client;
static CDC *pDC;
T_DISPLAYWINDOW vdWindow;
int DrawDIB (int x, int y);

// CTransClientView

IMPLEMENT_DYNCREATE(CTransClientView, CFormView)

BEGIN_MESSAGE_MAP(CTransClientView, CFormView)
        //{{AFX_MSG_MAP(CTransClientView)
        ON_WM_CREATE()
        //}}AFX_MSG_MAP
        // Standard printing commands
        ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
        ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
        ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
        ON_MESSAGE(USER_MSG_DISPLAY,Display)

END_MESSAGE_MAP()

// CTransClientView construction/destruction

CTransClientView::CTransClientView()
        : CFormView(CTransClientView::IDD)
{
        //{{AFX_DATA_INIT(CTransClientView)
        m_Info = _T("");
        //}}AFX_DATA_INIT
        // TODO: add construction code here
}

CTransClientView::~CTransClientView()
{
        //exit_display();
}

void CTransClientView::DoDataExchange(CDataExchange* pDX)
{
        CFormView::DoDataExchange(pDX);
        //{{AFX_DATA_MAP(CTransClientView)
        DDX_Text(pDX, IDC_INFO, m_Info);
        //}}AFX_DATA_MAP
}

BOOL CTransClientView::PreCreateWindow(CREATESTRUCT& cs)
{
        // TODO: Modify the Window class or styles here by modifying
        //  the CREATESTRUCT cs

        return CFormView::PreCreateWindow(cs);
}

void CTransClientView::OnInitialUpdate()
{
        CFormView::OnInitialUpdate();
        GetParentFrame()->RecalcLayout();
        ResizeParentToFit();

}

// CTransClientView printing

BOOL CTransClientView::OnPreparePrinting(CPrintInfo* pInfo)
{
        // default preparation
        return DoPreparePrinting(pInfo);
}

void CTransClientView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
        // TODO: add extra initialization before printing
}

void CTransClientView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
        // TODO: add cleanup after printing
}

void CTransClientView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
        // TODO: add customized printing code here
}

// CTransClientView diagnostics

#ifdef _DEBUG
void CTransClientView::AssertValid() const
{
        CFormView::AssertValid();
}

void CTransClientView::Dump(CDumpContext& dc) const
{
        CFormView::Dump(dc);
}

CTransClientDoc* CTransClientView::GetDocument() // non-debug version is inline
{
        ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTransClientDoc)));
        return (CTransClientDoc*)m_pDocument;
}
#endif //_DEBUG

// CTransClientView message handlers



void CTransClientView::Display(UINT wPara, LONG lPara)
{
        int framenum = wPara;
        char str[30];
        CRect rect;
        int recW, recH, showH, showW;

        if((framenum == 0)&&(lPara!=NULL))
        {
                init_display();
        }

        if(lPara!=NULL)
        {
                GetClientRect(&rect);
                recW = rect.Width();
                recH = rect.Height();
                showW = rect.left + (recW - vdWindow.width)/2;
                showH=rect.top + (recH - vdWindow.height)/2;

                vdWindow.bufRGB = (unsigned char*)lPara;
                vdWindow.hDC = ::GetDC (vdWindow.hWnd);
                /* draw the picture onto the screen */
                DrawDIB (showW, showH);
        
                sprintf(str, "Playing Frame : %d\n",framenum);

                ::ReleaseDC (vdWindow.hWnd, vdWindow.hDC);

                CString temp(str);
                m_Info = temp;

                UpdateData(false);
        }
        else
        {
                exit_display();
                OnInitialUpdate();
                sprintf(str, "Stop at Frame : %d\n",framenum);
                CString temp(str);
                m_Info = temp;
                UpdateData(false);

        }
  
}

int CTransClientView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
        if (CFormView::OnCreate(lpCreateStruct) == -1)
                return -1;
        
        // TODO: Add your specialized creation code here
        pPlayer = GetSafeHwnd();

        CSize totalSize = CSize(400*2,400*2);
        CSize pageSize = CSize(totalSize.cx/2, totalSize.cy/2);
        CSize lineSize = CSize(totalSize.cx/100, totalSize.cy/100);
        SetScrollSizes(MM_TEXT, totalSize, pageSize,lineSize);
        return 0;
}


void CTransClientView::init_display()
{
        /* now modify the couple that need it */
        vdWindow.hWnd = pPlayer;
        switch(m_client.m_profile.FrameSize)
        {
                case SF_QCIF:
                        vdWindow.width = 176;
                        vdWindow.height = 144;
                break;
                case SF_CIF:
                        vdWindow.width = 352;
                        vdWindow.height = 288;
                break;
        }

        vdWindow.biHeader.biWidth = vdWindow.width;
        vdWindow.biHeader.biHeight = vdWindow.height;
        vdWindow.biHeader.biSize = sizeof (BITMAPINFOHEADER);
        vdWindow.biHeader.biCompression = BI_RGB;
        vdWindow.biHeader.biPlanes = 1;
        vdWindow.biHeader.biBitCount = 24;
        vdWindow.biHeader.biSizeImage = 3 * vdWindow.width * vdWindow.height;

        vdWindow.hDC=::GetDC (vdWindow.hWnd);
        vdWindow.hDrawDib = DrawDibOpen();

        DrawDibBegin(vdWindow.hDrawDib, vdWindow.hDC, vdWindow.width, vdWindow.height,
                    &vdWindow.biHeader, vdWindow.width, vdWindow.height,0);
        ::ReleaseDC(vdWindow.hWnd, vdWindow.hDC);
}

int DrawDIB (int x, int y)
{
  int errFlag = 0;

  errFlag |= DrawDibDraw (
                 vdWindow.hDrawDib,
                 vdWindow.hDC,
                 x,
                 y,
                 -1,
                                 -1,
                 &vdWindow.biHeader,
                 vdWindow.bufRGB,
                 0,
                 0,
                 vdWindow.width,
                 vdWindow.height,
                 DDF_SAME_DRAW
    );
  return errFlag;
}


void CTransClientView::exit_display()
{
        vdWindow.hDC = ::GetDC (vdWindow.hWnd);
    DrawDibEnd (vdWindow.hDrawDib);
    DrawDibClose (vdWindow.hDrawDib);
    ::ReleaseDC (vdWindow.hWnd, vdWindow.hDC);
        //free(vdWindow.bufRGB);
        OnPaint();
}

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