OpenEuphoria

Re: Win32Lib & Bitmaps or maybe GIF's

• Posted by chrissy <tubby.toast at NTLWORLD.COM> Jan 18, 2001
• 483 views

I've run into the same problem with a project I'm doing.  However I'm not
concerned so much with the disk space the graphics will take up, more with
the effect of loading three megabytes of bitmaps into memory.  The way I
understand it, whichever graphics format I use, they will still need to be
converted to bitmaps once loaded in order to display them (with BitBlt etc).
Am I wrong?  I reluctantly decided to just use 256 colours in the end (only
one meg of graphics).

chris.

----- Original Message -----
From: "Brian Broker" <bkb at CNW.COM>
To: <EUPHORIA at LISTSERV.MUOHIO.EDU>
Sent: 18 January 2001 00:22
Subject: Re: Win32Lib & Bitmaps or maybe GIF's


> On Wed, 17 Jan 2001 14:47:38 -0500, Euman wrote:
>
> >Hello Fellow Coders,
> >
> >I was wondering if anyone has researched the ability
> >to bitBlt and transBlt GIF files (if possible)?
> >
> >I am pretty sure that to use the GIF file Format you
> >would need a liscence. Am I right?
> >
> >I am extensively useing bitmaps and have found that over
> >time (to include these bitmaps with my program) the expense of HD space
is
> too great.
> >
> >Does anyone have an alternative to oversized images
> >other than zip archives?
> >
> >If I were to use JPEG what if any restictions would apply?
> >Is it possible to use this format with Win32Lib?
> >
> >I want to shave some bytes by-way-of graphics and need
> >some ideas.
> >
> >I cant use Euphoria bitmaps because of the limitation
> >of being only 256 color depth (8 bit)
> >
> >Thanks in Advance all !
> >\
> >euman at bellsouth.net
>
> I think that the Portable Network Graphic (PNG) format is a great
> alternative to GIF.  It is a lossless format (JPEG loses info with more
> compression), it has good compression (using zlib) and does more than 256
> colors (a limitation of the GIF format).
>
> At one point I started wrapping libraries for JPEG and/or PNG support for
> Win32Lib but like most of my projects, I lose interest or free time before
> completing the task.  I'll see about finishing up the PNG lib since I am
> more interested in the format....
>
> For more info on PNG see http://www.libpng.org/pub/png/
> and for a library see http://www.libpng.org/pub/png/libpng.html
>
> -- Brian
>