nanogui: Pixmaps


Previous by date: 20 May 1999 19:47:25 -0000 Re: nano-X driver stability discussion, Alex Holden
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Subject: RE: Pixmaps
From: Greg Haerr ####@####.####
Date: 20 May 1999 19:47:25 -0000
Message-Id: <01BEA2C7.0D2F2E20.greg@censoft.com>

> In other words, a subbitmap just represents a new view of existing
> bitmap data.
> 

	I like it.  It basically just changes the x,y origin, which in a wierd
way can be calcluated by changing the in-core mem addr.

> I was thinking about the specific case of oddly interleaved planes.  I
> think that some hardware does very strange things with plane-based
> data.
> 
>    > 
>    > 		   IMAGEBITS bits[];
>    > 		   // image data here, optionally followed by color data
>    > 
>    > Make it a pointer, not an array.  Otherwise, how can you make a bitmap
>    > that's part of the screen?
> 
> Again, that won't work for bpp < 8.  Fsck fsck fsck.
> 

	Sure it will.  The imagebits are then just piled in right next to each other,
as they say "imagebits are imagebits"...  ;-)

Greg

Previous by date: 20 May 1999 19:47:25 -0000 Re: nano-X driver stability discussion, Alex Holden
Next by date: 20 May 1999 19:47:25 -0000 Re: Bitblt proposal (was: Re: bogl routines), Greg Haerr
Previous in thread: 20 May 1999 19:47:25 -0000 Re: Pixmaps, Alex Holden
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