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From: baxter_a@wehi.dn.mu.oz
Newsgroups: comp.sys.amiga.programmer
Subject: Re: Bitmapped font scaling?  AmigaMail!
Message-ID: <1991Jun28.165053.24639@wehi.dn.mu.oz>
Date: 28 Jun 91 16:50:52 GMT
References: <1124.2867637f@vger.nsu.edu> <22695@cbmvax.commodore.com> <1991Jun27.104700.24636@wehi.dn.mu.oz> <22736@cbmvax.commodore.com>
Organization: Walter & Eliza Hall Institute
Lines: 23

In article <22736@cbmvax.commodore.com>, darren@cbmvax.commodore.com (Darren Greenwald) writes:
> What do you want to rotate?  The font data, or the output from Text()?
>

Well, either. I want to write sideways and make it look like its the same 
font. It is a little harder than rotating a bit map (which is what I thought
would do until one of you kind guys provided the code) because of the variable
screen aspect ratio.
 
> I suspect what you want is to have a line of text rotated before
> its drawn in the layer - actually you can do that now if your
> willing to do the rotation (e.g., draw in an off-screen map,
> rotate, and BltTemplate() rotated image into visible layer).
> You could use DPAINT's rotation feature to get a feel for how fast, 
> or slow it might be done.
> 
> The bitmap scale routines actually create a new font with scaled data.
> There is therefore no performance penality for using a scaled font
> (other than the initial scaling).
> 
> Rotation of a line on the other hand has to be done on the fly.

Regards Alan