Public bug reported:
Start gimp
Create a new image
Add an alpha channel
Draw a squiggle in black on white on image
Run Filters/Edge-Detect/Difference of Gaussians
Expected: image should be shown that contains edges of sqiggle
Actual: image vanishes and is replaced by an all transparent image
Filters/Edge-Detect/Edge works as expected
Filters/Edge-Detect/Difference of Gaussians works as expected if one
removes the alpha channel from image.
GNU Image Manipulation Program version 2.6.12 : 2.6.12-1ubuntu1.1
OS Ubuntu 12.04.1 LTS
graphics card: Advanced Micro Devices [AMD] nee ATI RV710 [Radeon HD 4350]
graphics driver: fglrx
** Affects: gimp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1075485
Title:
Gaussian edge detect does not work on image with alpha channel
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