Re: Flash Movie

From:
"Leo Violette" <nineballer@comcast.net>
Newsgroups:
microsoft.public.vc.mfc
Date:
Mon, 23 Feb 2009 03:58:00 -0800
Message-ID:
<D22C8A5D-F3AF-4ECC-BA71-F09D4329FC38@microsoft.com>
Just out of curiousity, have you tried this code without
the ->ShowWindow(SW_SHOW)? I think it might work for you. It shouldn't
matter of the DC is hidden, it should still allow you to draw on it and
capture it.

"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
news:a_ill.12910$D32.2109@flpi146.ffdc.sbc.com...

Well I came up with this so far: I'm not 100% comfortable with it.

LSFlashPlayerWnd is derived from CWnd and holds the Flash ActiveX control.
It gets created by who ever needs to display a flash movie. The reason it
is a seperate window and not just using the activex directly is because I
needed to setup timers for progress and stop notifications back to the
parent.

Anyway, I simply show the ActiveX control for a second, and copy what is
in its DC.

void LSFlashPlayerWnd::CopyToBitmap()
{
  CRect WRect;
  GetWindowRect(&WRect);
  GetParent()->ScreenToClient(&WRect);

  //since this window is normally hidden, unless the video is being played
  //show the window, so that we can copy the image off of it.
  ShowWindow(SW_SHOW);

  //make sure the player window is drawn
  m_Player.Invalidate();
  m_Player.UpdateWindow();

  //get the dc of the player
  CDC *pDC = m_Player.GetDC();

  //create the bitmap
  CDC MemDC;
  MemDC.CreateCompatibleDC(pDC);
  m_Bitmap.DeleteObject();
  m_Bitmap.CreateCompatibleBitmap(pDC,WRect.Width(),WRect.Height());

  //copy into the bitmap
  int SavedDC = MemDC.SaveDC();
  MemDC.SelectObject(&m_Bitmap);
  MemDC.BitBlt(0,0,WRect.Width(),WRect.Height(),pDC,0,0,SRCCOPY);
  MemDC.RestoreDC(SavedDC);

  //release the DC of the player
  m_Player.ReleaseDC(pDC);

  //and hide it again
  ShowWindow(SW_HIDE);
}

AliR.

"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
news:hvhll.10654$pr6.1649@flpi149.ffdc.sbc.com...

Hi Everyone,

I implementing the capability to play Flash movies in my application.
Currently I'm using the Flash player ActiveX control to play the movies.
It gives me the basic functionality that I need.

But I need to grab a screen shot of the video to display as a preview, I
can't figure out how to do this. I think I ran into something on the web
for this but I can't find it anymore.

Anyone has any suggestions?
I'm also open to suggestions on a player library that would be better
than the ActiveX control.

AliR.

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