Re: [Gimp-print-devel] Dither problem with stc740

[S. M. <sm...@rn...>]

Robert L Krawitz wrote:
> 
>    Date: Tue, 18 Apr 2000 20:00:15 -0400
>    From: Karl Heinz Kremer <kh...@kh...>
> 
>    There is still something wrong with the 1440x720 microweave mode on the
>    stc740: The horizontal position is twice what it should be (if I want
>    to place the image one inch from the left edge it will be two inches
>    form the edge, if I want it two inched from the edge it will end up
>    four inches from the edge), plus the image is not printed correctly.
>    It looks like the right half of the 1440x720 Micro image on the
>    test image I put up yesterday (http://home.rochester.rr.com/specht/test)
>    I only get one penguin, but part of it's legs are missing :-(
> 
> OK, try again.  I don't know about its legs.
> 
>    Other than that all modes are working in single/variable dot size and
>    both dithering modes.
> 
> How's the quality compared with what was before?
> 

I've only had time to check out a couple of modes.  Ordered works fairly
well (I tried 360 and 720 softweave, both variable size dots). FS is
horrible at 360 dpi - leaves diagonal stripes in a large, very dark
region. It does well at 720 (I couldn't tell the difference between the
2 types, anyway).  There is a margin problem though.  In the 2
resolutions I tried, if you push the image all the way to the right, you
loose about an inch of the image.  The left and top seem to be OK,
centering seems to be shifted down and slightly right.  This doesn't
look like a double/half problem, just maybe a slight scale problem. (
I'm scaling the image down from its fairly large size, so it takes about
1/8th of the page).  Haven't had a chance to look at that part of the
code, maybe someone can.

Steve

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