I suppose I can not really. Not everyone will have Direct-X installed. This control is
for sale (when it gets written)
Chris
Christopher Crowe (Software Developer)
Microsoft MVP, MCP
Adrock Software
Byte Computer & Software LTD
P.O Box 13-155
Christchurch
New Zealand
Phone/Fax (NZ) 03-3651-112
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> Behalf Of Matthew Comb
> Sent: Thursday, 27 May 1999 09:24
> To: Multiple recipients of list Delphi
> Subject: Re: [DUG]: Drawing Speed
>
>
> Have you considered using a direct-x interface. There are
> extremely easy to
> use wrappers out now including Delphi-x by some Japanese guy
> called Hori. if
> you do a search you will be sure to find it.
>
> I have applications with frame rates at 100fps in window mode no worries.
>
> Cheers,
>
> Matt.
>
> ----- Original Message -----
> From: Chris Crowe <[EMAIL PROTECTED]>
> To: Multiple recipients of list Delphi <[EMAIL PROTECTED]>
> Sent: Thursday, May 27, 1999 8:29 AM
> Subject: RE: [DUG]: Drawing Speed
>
>
> Thanks I will try that. I havew had trouble once using it. The
> whole screen
> flickered after I set the LockWindowUpdate(0)
>
> but I will give it a go.
>
> Thanks.
>
> Christopher Crowe (Software Developer)
> Microsoft MVP, MCP
>
> Adrock Software
> Byte Computer & Software LTD
> P.O Box 13-155
> Christchurch
> New Zealand
> Phone/Fax (NZ) 03-3651-112
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> > Behalf Of McKenzie, Paul
> > Sent: Thursday, 27 May 1999 08:29
> > To: Multiple recipients of list Delphi
> > Subject: RE: [DUG]: Drawing Speed
> >
> >
> > what about using LockWindowUpdate locking.
> > ie.
> >
> > LockWindowUpdate(Handle);
> > DoDrawPicture; // Your Drawing Function
> > LockWindowUpdate(0);
> >
> > LockWindowUpdate in the Win32.hlp - it might provide some performance
> > improvements. The picture will be all calculated and drawn while
> > the window
> > is locked the display will be the only thing done when the window is
> > unlocked.
> >
> > HTH - It might not be enough for what your after though.
> >
> > Regards
> > Paul
> > [EMAIL PROTECTED]
> >
> >
> > -----Original Message-----
> > From: Chris Crowe [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, 27 May 1999 08:16 AM
> > To: Multiple recipients of list Delphi
> > Subject: [DUG]: Drawing Speed
> >
> >
> > I am writing a custom scheduling control, which does a lot of
> > drawing to the
> > screen.
> >
> > Do stop flicker I have created a bitmap the size of the client
> area of the
> > control. I then draw the interface to the bitmap, and then I draw
> > the bitmap
> > to the screen using Canvas.Draw(0,0, MyBitmap);
> >
> > I found this accetable when the control is small, but if it is
> say getting
> > up to around 800 * 600 it takes a fair amount of time to draw. I have a
> > timing component which states it takes 0.091 seconds on average
> > to draw the
> > image at the large screen size. You might say that it is quite fast. I
> > suppose it is. But the control must support selecting of rows and
> > scrolling
> > of the window, much like a listbox.
> >
> > It is very much designed around the outlook/schedule plus style
> > of their day
> > view for their scheduling.
> >
> > Is there a faster way of drawing to the screen?, I have to draw to the
> > bitmap becuase if I do not the screen flickers rather badly.
> >
> > Outlook draws very fast, and I assume my routines are quite
> optimized but
> > obviosly not enough. So is there a better way, am I better to use
> > BitBlt to
> > draw to the screen than the Canvas.Draw()?
> >
> > Any other speed increasing tips would be greatly appreciated...
> >
> > ps: Does anyone know of a profiler that will profile a component,
> > instead of
> > the application?
> >
> > Chris
> >
> >
> > Christopher Crowe (Software Developer)
> > Microsoft MVP, MCP
> >
> > Adrock Software
> > Byte Computer & Software LTD
> > P.O Box 13-155
> > Christchurch
> > New Zealand
> > Phone/Fax (NZ) 03-3651-112
> >
> > ------------------------------------------------------------------
> > ---------
> > New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED]
> > Website: http://www.delphi.org.nz
> > ------------------------------------------------------------------
> > ---------
> > New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED]
> > Website: http://www.delphi.org.nz
> >
>
> ------------------------------------------------------------------
> ---------
> New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED]
> Website: http://www.delphi.org.nz
>
> ------------------------------------------------------------------
> ---------
> New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED]
> Website: http://www.delphi.org.nz
>
---------------------------------------------------------------------------
New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED]
Website: http://www.delphi.org.nz
