Search found 3 matches

by thomasp
2013-07-15T01:20:52-07:00
Forum: Bugs
Topic: Possible bug with -unsharpen introduced with 6.8.4-0
Replies: 11
Views: 9415

Re: Possible bug with -unsharpen introduced with 6.8.4-0

Using the parameters suggested here http://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=23747#p100643 I get the following results, so I don't think this issue can be resolved by tweaking the unsharpen parameters. convert example.png -unsharp 12x6+0.5+0 -background black -flatten out.png ...
by thomasp
2013-07-15T00:56:58-07:00
Forum: Bugs
Topic: Possible bug with -unsharpen introduced with 6.8.4-0
Replies: 11
Views: 9415

Re: Possible bug with -unsharpen introduced with 6.8.4-0

To give a more precise example I left out resizing and other options and render the result against a black background, here you can clearly see the different results using different ImageMagick versions: convert example.png -unsharp 0x0.5 -background black -flatten out.png ImageMagic 6.8.4 (edges ...
by thomasp
2013-07-12T06:59:19-07:00
Forum: Bugs
Topic: Possible bug with -unsharpen introduced with 6.8.4-0
Replies: 11
Views: 9415

Possible bug with -unsharpen introduced with 6.8.4-0

For the code below I get different results with different ImageMagick versions: convert example.png -quality 0 -density 72 -resize 'x30>' -unsharp 0x0.5 out.png http://magick-problems.s3.amazonaws.com/comp.png with ImageMagick 6.8.0-10 2013-06-05 it looks fine with ImageMagick 6.8.4-10 2013-04-19 ...