Legacy ImageMagick Discussions Archive

I created a bug for that: http://bugs.ghostscript.com/show_bug.cgi?id=693024
Will keep you posted.

Thanks again, yes there will still be some cases where floodfill would not work, as you mention. I will post here if I find any way out of this problem...

Thanks Fred, interesting observation about background transparency vs alpha channel, I'll dig into that direction.

Unfortunately, the "-transparent white" will not work in the general case, since all white in the images gets removed. With this image, i was trying to boil down the generic case ...

By the way, is this the same output you have when using the convert command from pdf to png?

Thanks Fred,

So we actually end up with the same result, I do end up with that annoying white rectangle. The pdf is supposed to be a red circle and rectangle superimposed over a transparent background. No white at all (you can see that when you set acrobat to show transparency, or open it in ...

Thanks Fred and Anthony, and sorry for the very late reply. I am just now starting back on this problem and hoping to solve that.

Fred, as you mentioned, I had 2 versions of IM installed and a plethora of delegates. However, i tracked down the one that was really used and made sure the driver was ...

Thanks Fred, sorry for the late reply.

Yes, you are correct: this is a one page pdf with transparency. I checked my ps:alpha delegate, and I already had pngalpha device set so no luck there.

Do you manage to get that file converted properly with your settings?
http://publicly-shared.s3.amazonaws ...

Thanks Anthony,

I do have the problem with ghostscript as well using pngalpha driver. I actually found a post in the ghostscript forum post that seem very similar to the question I have, unfortunately it is not solved. (http://old.nabble.com/Problem-converting-transparent-PDF-to-PNG-td31869338.html ...

Thanks for the answer Anthony,

I should have mentioned first that opening the linked pdf file in os x preview or illustrator does show geometric figures over a transparent background.

I tried several of the tricks from those pages without success. Specifically, here a some of the commands I tried ...

Hi everyone,

I am having difficulties converting the seemingly simple pdf file linked below into a png, while respecting the transparency of the original pdf. The original image was much more complex but the problem seems to boil down to the presence of a raster placing with transparent background ...