Re: png unsupported by Emacs 22.1

[poti]

Some image support libraries are not shipped with this library.
The sources for those libraries are listed at:
ftp://ftp.gnu.org/pub/gnu/emacs/windows/README
and instructions on where to put them are at 
http://www.nabble.com/forum/ViewPost.jtp?post=10970135&framed=y

On 19:16 Fri 15 Jun     , poti@potis.org wrote:
> Is it possible that libraries that were compiled into earlier Emacs 
> distributions are no longer in the current Emacs? I have been doing 
> a lot of testing, so I may have made a mistake, but this seems reliable
> enough that I prefer not to burn a new DVD unless others cannot
> replicate. Note that on lab computers with more extensive software
> installations, this works. So it needs to be on a PC with known lacking
> png support. 
> 
> Using the released binary for Windows, attempting to use preview-latex
> or to open a png file with C-x C-f I am told Emacs does not support png. 
> Following is the information generated for image mode followed by that
> for preview-latex:
> ---------------start image mode---------------
> 
> In GNU Emacs 22.1.1 (i386-mingw-nt5.1.2600)
>  of 2007-06-02 on RELEASE
> Windowing system distributor `Microsoft Corp.', version 5.1.2600
> configured using `configure --with-gcc (3.4) --cflags -Ic:/gnuwin32/include'
> 
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: nil
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: ENU
>   locale-coding-system: cp1252
>   default-enable-multibyte-characters: t
> 
> Major mode: Image
> 
> Minor modes in effect:
>   shell-dirtrack-mode: t
>   show-paren-mode: t
>   encoded-kbd-mode: t
>   tooltip-mode: t
>   tool-bar-mode: t
>   mouse-wheel-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   unify-8859-on-encoding-mode: t
>   utf-translate-cjk-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
> 
> Recent input:
> <help-echo> <help-echo> <down-mouse-1> <help-echo> 
> <mouse-1> C-x C-f <backspace> <backspace> <backspace> 
> ~ <return> <up> <return> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <return> TAB TAB M-b M-x 
> r e p r <backspace> o <tab> o <backspace> r <tab> 
> <return>
> 
> Recent messages:
> Loading edmacro...done
> Loading derived...done
> Loading cl-macs...done
> For information about the GNU Project and its goals, type C-h C-p. [2 times]
> Loading image-mode...done
> Type C-c C-c to view as an image.
> indent-relative: Text is read-only [2 times]
> Making completion list...
> Loading help-mode...done
> Loading emacsbug...done
> 
> --------------end image mode------------------
> -------------preview-latex -------------------
> 
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: nil
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: ENU
>   locale-coding-system: cp1252
>   default-enable-multibyte-characters: t
> 
> Major mode: LaTeX/M
> 
> Minor modes in effect:
>   flyspell-mode: t
>   LaTeX-math-mode: t
>   shell-dirtrack-mode: t
>   show-paren-mode: t
>   encoded-kbd-mode: t
>   tooltip-mode: t
>   tool-bar-mode: t
>   mouse-wheel-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   unify-8859-on-encoding-mode: t
>   utf-translate-cjk-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
> 
> Recent input:
> <help-echo> <down-mouse-1> <mouse-1> C-x C-f <backspace> 
> <backspace> <backspace> H : <return> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <up> <up> <up> <up> <up> <up> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
> <up> <up> <up> <up> <up> <up> <up> <up> <up> <down> 
> <return> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <down> <down> <down> 
> <down> <down> <down> <down> <down> <up> <up> <up> <up> 
> <up> <up> <up> <down> <return> <help-echo> <help-echo> 
> <tool-bar> <preview> <help-echo> <help-echo> <help-echo> 
> SPC <backspace> C-b n <backspace> <down-mouse-1> <mouse-1> 
> <help-echo> <up> C-v <up> <down> <help-echo> <down-mouse-1> 
> <mouse-movement> <mouse-movement> <drag-mouse-1> C-b 
> C-y <return> M-b <help-echo> <help-echo> <help-echo> 
> <help-echo> <language-change> <help-echo> M-x b u g 
> <tab> <tab> <backspace> <backspace> <backspace> e m 
> <tab> a c <tab> b u <tab> <backspace> <tab> <tab> u 
> <tab> <backspace> <backspace> <backspace> <backspace> 
> <backspace> <backspace> <backspace> <backspace> b u 
> g <tab> <backspace> <backspace> <backspace> s e <tab> 
> n <tab> <backspace> <backspace> <backspace> <backspace> 
> <backspace> <backspace> <backspace> <backspace> <backspace> 
> <backspace> <backspace> <backspace> <backspace> <backspace> 
> C-g <help-echo> <help-echo> <help-echo> <help-echo> 
> <down-mouse-1> <mouse-1> M-x r e p l <tab> <backspace> 
> <backspace> <backspace> <backspace> <backspace> o r 
> <tab> <return>
> 
> Recent messages:
> Type `C-c C-l' to display results of compilation.
> error in process sentinel: preview-reraise-error: preview-image-type setting 
> 'png unsupported by this Emacs
> error in process sentinel: preview-image-type setting 'png unsupported by 
> this Emacs
> call-interactively: Beginning of buffer
> call-interactively: End of buffer
> Auto-saving...done
> Mark set
> Making completion list... [2 times]
> Quit
> Loading emacsbug...done