Search found 4 matches

by szahn
2014-10-29T14:40:33-07:00
Forum: Users
Topic: Unrecognized image compression PNG
Replies: 6
Views: 7245

Re: Unrecognized image compression PNG

Thanks for the responses. That looks like a possible solution. However, I've switched to using iText as it can create text stamps quite nicely.
by szahn
2014-10-29T12:44:42-07:00
Forum: Users
Topic: Unrecognized image compression PNG
Replies: 6
Views: 7245

Re: Unrecognized image compression PNG

The reason I want to try PNG compression is that compressing a PDF with JPEG/2000 compression produces a bad quality image no matter what the -quality parameter is. Since i'm not satisfied with the JPEG compression quality, I'm looking for better image formats that promise small file size and good ...
by szahn
2014-10-29T12:42:44-07:00
Forum: Users
Topic: Unrecognized image compression PNG
Replies: 6
Views: 7245

Re: Unrecognized image compression PNG

IM version is 6.8.9 and platform is Windows 8.1 64-bit. I thought IM can be extended with delegates. So, you cannot add PNG compression support using LibPng with delegates? This appears to be a major letdown. This is what I get convert.exe -list compress B44 B44A BZip DXT1 DXT3 DXT5 Fax Group4 JBIG1 ...
by szahn
2014-10-29T11:46:36-07:00
Forum: Users
Topic: Unrecognized image compression PNG
Replies: 6
Views: 7245

Unrecognized image compression PNG

When I run the following command to annotate a pdf and compress it with PNG, I get an error saying PNG is not a valid compression. convert.exe doc.pdf -compress PNG -font Arial -pointsize 12 -fill black -stroke white -strokewidth 5 -gravity south -annotate +0+0 "Test -stroke none -gravity south ...