Search found 4 matches
- 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.
- 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 ...
- 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 ...
- 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 ...