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List:       gimp-print-devel
Subject:    Re: [Gimp-print-devel] More work on floating point units
From:       Solomon Peachy <pizza () shaftnet ! org>
Date:       2017-03-12 2:40:41
Message-ID: 20170312024041.GA16494 () shaftnet ! org
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On Sat, Mar 11, 2017 at 08:32:00PM -0500, Robert Krawitz wrote:
> I've done a lot of work on the units stuff this afternoon/evening.  I
> now have the GIMP plugin working with non-integral sizes for paper,
> image dimension, and positioning.  I also fixed some rounding problems
> with the Epson driver.

I just committed the first cut at the dyesub changes.  Most of the patch 
consisted of the elimination of the rounding up that was necessary to 
generate integral paper sizes for outside consumption.

> I haven't tried the CUPS driver with this stuff.  I don't anticipate a
> lot of problems, but until I do it, I don't know.  I wanted to get the
> GIMP plugin working first, because that's the most direct way to print.

Just about every dyesub printer will now generate non-integral paper 
sizes.  For example, here's a snippet from the DNP DS820 PPD I just 
generated:

*PageSize w576h864-div3/8x4*3:  "<</PageSize[614.400 904.320]/ImagingBBox null>>setpagedevice"
*PageSize A4x4inch/A4x4inch:    "<</PageSize[296.640 614.400]/ImagingBBox null>>setpagedevice"

I haven't tested any of this in anger yet -- I'm 374 miles from any 
of my printers -- but come Monday I can run off a few things to see 
how they behave...

 - Solomon
-- 
Solomon Peachy			       pizza at shaftnet dot org
Delray Beach, FL                          ^^ (email/xmpp) ^^
Quidquid latine dictum sit, altum videtur.

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