----- Original Message -----
From: "Werner LEMBERG" <[email protected]>
To: <[email protected]>
Cc: <[email protected]>; <[email protected]>
Sent: Friday, February 04, 2011 4:52 PM
Subject: Re: 13.47 regtests
The initial report from my pixel-by-pixel comparison is that the
treble clef in .47 is slightly different from previously. The
lower downstroke is thinner and the blob on the end of it is
slightly different. I've attached a colour coded difference
image, where the common pixels are coloured red, and the
differences are grey - look at the lower part of the clef.
Is this intended?
Werner made changes in the clef to "make the code more readable".
It didn't look to me like he was trying to make changes, but because
the code was refactored, it could have made small changes.
See commit 662f7fa0284ab9fae27942934c41354d64a5958e
No, it's exactly the same code, I've just checked. Additionally, this
change happened a long time ago.
Werner
I've checked on PDF output, and the clef shapes are identical between .46
and .47 - it's the PNG generation step that is making a very slight (but
detectable) difference in the treble clefs, and in some of the flag shapes.
I wonder whether this is an artifact related to
http://code.google.com/p/lilypond/issues/detail?id=1429 or an update to one
of the postscript->PNG library conversion routines. Not convinced it's
worth getting too worried about now I see it's not present in the PDF.
--
Phil Holmes
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