Gaussian edge detect does not work on image with alpha channel

Bug #1075485 reported by David McKelvie on 2012-11-06
This bug affects 2 people
Affects Status Importance Assigned to Milestone
gimp (Ubuntu)

Bug Description

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

Debra Virden (teddydlv) wrote :

I was able to reproduce this bug.

Gimp 2.8
Ubuntu 12.10
Ubuntu Bug Squad volunteer triager

Debra Virden (teddydlv) on 2013-03-04
Changed in gimp (Ubuntu):
status: New → Confirmed
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