OpenEuphoria

Re: [Win32] Maximal pixmap (CompatibleBitmap) size

• Posted by Derek Parnell <ddparnell at bigpond.com> May 15, 2003
• 596 views

Martin,
I imagine the limit will be RAM and not some artificial Windows limit.

A bit map of 2330 by 1540 at 2-times zoom will take about 60MB of ram (24bit
color).

----------------
cheers,
Derek Parnell
----- Original Message -----
From: "Martin Stachon" <martin.stachon at worldonline.cz>
To: "EUforum" <EUforum at topica.com>
Sent: Tuesday, May 13, 2003 12:53 AM
Subject: [Win32] Maximal pixmap (CompatibleBitmap) size


>
> Hello,
> I am writing a program that will display large bitmap (base size
2330x1540)
> with zoom (zoom > 2x). Using win32lib. I create a pixmap, when user zooms
in
> and zoomed bitmap does not fit into the pixmap (buffer), the pixmap is
resized.
> When zoom is about 2, I get CreateCompatibleBitmap() errors. I am going
> to create several pixmaps for larger zooms, and split the bitmap between
them,
> so I need to know the maximal pixmap size for all Win version. (I'd prefer
no
> trial - fail practice). Is the info avaiable or is there a better solution
?
> (I tried not using buffer and drawing only the visible portion but this is
slow
> for scrolling)
>
> P.S. The program will be avaiable for this community 
>
> Thanks,
>       Martin Stachon
>
> martin.stachon at tiscali.cz
> http://www.webpark.cz/stachon
>
>
>
> TOPICA - Start your own email discussion group. FREE!
>
>