Search found 5 matches

by HeiHon
2011-03-21T08:14:10-07:00
Forum: Bugs
Topic: Wrong and different background converting pdf to png or tiff
Replies: 3
Views: 9421

Re: Wrong and different background converting pdf to png or

Thanks for the reply. I normally use ImageMagick via the perl Image::Magick module. As I wrote in my other post http://www.imagemagick.org/discourse-server/viewtopic.php?f=7&t=18285 there seems to be another way from the command line. However, one of my problems is, that there doesn't seem to be an ...
by HeiHon
2011-03-18T07:22:03-07:00
Forum: Users
Topic: Cut large image on tiles
Replies: 4
Views: 11849

Re: Cut large image on tiles

When you have to deal with big images a lot, may be vips could help
http://www.vips.ecs.soton.ac.uk/index.php?title=VIPS
VIPS is a free image processing system. It is good with large images (images larger than the amount of RAM you have available), with many CPUs
by HeiHon
2011-03-18T07:05:05-07:00
Forum: Bugs
Topic: Wrong and different background converting pdf to png or tiff
Replies: 3
Views: 9421

Re: Wrong and different background converting pdf to png or

Sorry, my wrong:
In fact the png files produced by "convert file.pdf file.png" ARE transparent.
My image viewer needed a restart to show the transpareny :-(

Please excuse me.

So at least for my needs I will have pnmraw instead of pngalpha in my delegates.xml.
by HeiHon
2011-03-18T05:37:13-07:00
Forum: Bugs
Topic: Wrong and different background converting pdf to png or tiff
Replies: 3
Views: 9421

Wrong and different background converting pdf to png or tiff

When converting "usual" pdf files to png and/or tiff convert renders different (wrong) background. By "usual" pdf files I mean pdf files that look like black text on white paper but in fact are black text on transparent background. But of course these pdf files are normally (by pdf readers) rendered ...
by HeiHon
2011-03-15T08:20:26-07:00
Forum: PerlMagick
Topic: Bad background with new imagemagick
Replies: 0
Views: 8239

Bad background with new imagemagick

Hello, I am using imagemagick to convert pdf files to tif and jpeg. With im6.6.5-0 I do something like convert page.pdf page.tif and my page with black text on white paper is converted to a tif with black text on white background. When I do the same with im6.6.8-4 (I think any im > 6.6.7) I get ...