Search found 3 matches

by Vurtba2
2015-04-27T23:09:23-07:00
Forum: Users
Topic: Png8 to Png4, problem with alpha channel
Replies: 6
Views: 4145

Re: Png8 to Png4, problem with alpha channel

The file you have for download http://i.imgur.com/rbGHcS7.png is bilevel (and in fact perfectly white - one color only) I have linked to two images. The image you mention is the original image and yes, the original image displays as it should for me (all white). The issue that I'm facing is that ...
by Vurtba2
2015-04-22T23:18:28-07:00
Forum: Users
Topic: Png8 to Png4, problem with alpha channel
Replies: 6
Views: 4145

Re: Png8 to Png4, problem with alpha channel

Hi fmw42 Regarding the version of ImageMagick I am simply using the version available from the repository. I am using Ubuntu 14.04 which packages IM 6.7.7 http://packages.ubuntu.com/search?keywords=imagemagick&searchon=names&suite=trusty&section=all It's quite suprising that the second image ...
by Vurtba2
2015-04-21T23:07:45-07:00
Forum: Users
Topic: Png8 to Png4, problem with alpha channel
Replies: 6
Views: 4145

Png8 to Png4, problem with alpha channel

Hello I have a large number of small png images that I want to optimize in regards of file-size. Originally the images are 8-bit png and the optimization I do is to convert them to 4-bit paletted png's. The results are quite good, the images contains rather few colors so reducing them to a 4-bit ...