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2
votes
2answers
36 views

How do I write a script to automatically optimize all the PNGs in my MediaWiki images directory?

I have MediaWiki 1.25.2 installed on my 64-bit Debian 8.1 VirtualBox machine and I'd like to be able to upload the images/ directory from this installation to my DropBox. Being a cheapskate I'm trying ...
0
votes
0answers
26 views

Pngquant does not run in Crontab

I have created a small script to compress all the images using pngquant. The script is as follows: #!/bin/bash find /home/ghosthut/wp-content/uploads -mtime -2 -iname '*.png' -print0 | xargs -0 ...
1
vote
1answer
2k views

Conversion from PNG to EPS

I would like to convert PNG images/graphs to EPS without losing even a bit on resolution. All the commands I tried (potrace, autotrace, convert, gimp) decrease the resolution quality.
0
votes
1answer
3k views

Imagemagick used to generate PPM's in Linux, PPM's are unreadable

I need to generate PPM's as raw data sources for one program. I have a bunch of png's as Input, which I'm going to convert ppm's. When I try a tool like mogrify it generates files, but these are ...
0
votes
2answers
1k views

How to convert multiple XCF files to PNG?

I have a folder with a lot of xcf files which I want all to be converted to png files, at best via a one-liner from bash. How can I achieve such a task?
3
votes
1answer
250 views

Icon themes, when is svg format helpful?

I found that arch provides both oxygen-icons and oxygen-icons-svg, what's the necessity of svg format? Is there something that a PNG image "can't do", maybe performance issue? Not sure about it.