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Bug 590418 - chalk doesn't work (sobel doesn't work on alpha)
chalk doesn't work (sobel doesn't work on alpha)
Status: RESOLVED FIXED
Product: GIMP
Classification: Other
Component: Plugins
git master
Other All
: Normal normal
: 2.6
Assigned To: GIMP Bugs
GIMP Bugs
: 608791 (view as bug list)
Depends on:
Blocks:
 
 
Reported: 2009-07-31 20:57 UTC by Akkana Peck
Modified: 2015-11-29 15:23 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Akkana Peck 2009-07-31 20:57:13 UTC 
As reported on gimp-user
https://lists.xcf.berkeley.edu/lists/gimp-user/2009-July/015393.html
the chalk logo script no longer works as of gimp 2.6 (and still doesn't work in git master).

It's failing because the new 2.6 sobel doesn't work on a text layer to detect alpha edges. If the script merged the white chalk with a black background layer before calling sobel, it would work.

I can make the fix to the script, but first I wanted to ask whether that sobel change was intentional, since 2.6 sobel is very different from 2.4 sobel and it's possible that part of the change wasn't intentional.
Comment 1 Akkana Peck 2009-07-31 21:03:12 UTC 
If the script does get updated, it should probably use a different default font: does anyone have "Cooper" any more?
Comment 2 Michael Schumacher 2009-08-06 10:12:22 UTC 
All scripts that use fonts should specify one of the generic font families (Sans, Serif, ...).
Comment 3 Sven Neumann 2009-08-06 18:37:25 UTC 
Well, fontconfig deals nicely with a font name that is not available. But yeah, if someone wants to look into changing the default fonts, that would be appreciated.
Comment 4 Sven Neumann 2010-02-02 19:27:32 UTC 
*** Bug 608791 has been marked as a duplicate of this bug. ***
Comment 5 Akkana Peck 2010-02-02 23:12:21 UTC 
Just checked in a fix (to git master). Should this go on the 2.6 branch? Leaving the bug open to find out.
Comment 6 Sven Neumann 2010-02-03 07:36:19 UTC 
Yes, this should be merged to the gimp-2-6 branch.
Comment 7 Akkana Peck 2010-02-05 03:25:40 UTC 
Checked in on the gimp-2-6 branch as well. Closing.