[fpc-pascal] TImage : how to avoid flickering when changing image

[Dennis Poon]

every few seconds, I want the same TImage  to load a different jpg file 
but now it flickers whenever

TheImage.Picture.LoadFromFile('new.jpg');

How do I avoid the flickering?

Dennis
___
fpc-pascal maillist  -  fpc-pascal@lists.freepascal.org
http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal

Re: [fpc-pascal] TImage : how to avoid flickering when changing image

[Henry Vermaak]

On Tue, Aug 05, 2014 at 07:06:43PM +0800, Dennis Poon wrote:
 every few seconds, I want the same TImage  to load a different jpg
 file but now it flickers whenever
 TheImage.Picture.LoadFromFile('new.jpg');
 
 How do I avoid the flickering?

I assume you're on Windows.  Have you tried to set DoubleBuffered to
True?  I didn't use TImage, but I remember having to put the PaintBox
onto a panel and set panel.DoubleBuffered to True to stop the
flickering.

Henry
___
fpc-pascal maillist  -  fpc-pascal@lists.freepascal.org
http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal

Re: [fpc-pascal] TImage : how to avoid flickering when changing image

[Henry Vermaak]

On Tue, Aug 05, 2014 at 12:19:22PM +0100, Henry Vermaak wrote:
 On Tue, Aug 05, 2014 at 07:06:43PM +0800, Dennis Poon wrote:
  every few seconds, I want the same TImage  to load a different jpg
  file but now it flickers whenever
  TheImage.Picture.LoadFromFile('new.jpg');
  
  How do I avoid the flickering?
 
 I assume you're on Windows.  Have you tried to set DoubleBuffered to
 True?  I didn't use TImage, but I remember having to put the PaintBox
 onto a panel and set panel.DoubleBuffered to True to stop the
 flickering.

P.S.  This is the wrong list for Lazarus questions.
___
fpc-pascal maillist  -  fpc-pascal@lists.freepascal.org
http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal