Re: Doc-view failing to generate image

[Tassilo Horn]

Edward Lilley <ejlilley@gmail.com> writes:

Hi Edward,

> I'm getting a funny error when trying to open (simple C-x C-f) PDF
> files in doc-view mode. The png appears in /tmp/docview500/foo, but
> then the image doesn't actually appear in the buffer -- and then
> *Messages* shows the error:
>
> ImageMagick error: NoDecodeDelegateForThisImageFormat
> \ `/tmp/docview500/obsmltest.pdf-07534b262c8761286817c76762acef2c/page-1.png'
> \ @ error/constitute.c/ReadImage/550 [2 times]
>
> (line breaks added)
>
> ...which is a bit baffling.

It seems your ImageMagick hasn't been compiled with PNG support.  Does

  $ identify -list format

include PNG with mode "rw-"?  Also,

  $ identify -list configure

should include --with-png in CONFIGURE and png in DELEGATES.

What distro are you using?

Bye,
Tassilo