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Re: 2.13.40 regtests

From: Han-Wen Nienhuys
Subject: Re: 2.13.40 regtests
Date: Fri, 26 Nov 2010 02:41:11 -0500

On Fri, Nov 26, 2010 at 2:21 AM, Graham Percival
<address@hidden> wrote:
> On Fri, Nov 26, 2010 at 02:15:22AM -0500, Han-Wen Nienhuys wrote:
>> The reason I did not do it originally is that it moves the comparison
>> farther away from lilypond itself and pixel-per-pixel changes are not
>> calibrated for the size of the symbols: a large symbol moving place
>> will generate a much higher difference score than a small score.  It
>> might have been a quicker way to get started with running comparison
>> tests.
> True, but at the moment there's no way to catch problems due to
> ghostscript (or international fonts being installed / not being
> installed in GUB).  Of course, hopefully GUB won't be changing all
> that often, but it _does_ happen.
> Would it be possible to have both kinds of regtest comparisons?
> Maybe not enabled in the usual "make check", but adding a separate
> "make pixelcheck" or something like that?

It should be trivial to add an imagemagick call to do pixel by pixel
comparision to output-distance.py

Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen

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