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From: | Glenn Morris |
Subject: | bug#10747: ImageMagick does not return much metadata |
Date: | Mon, 06 Feb 2012 23:35:53 -0500 |
User-agent: | Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Package: emacs Version: 24.0.93 As an example animated gif file, I use: http://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/200px-Rotating_earth_%28large%29.gif In an Emacs compiled with both libgif and ImageMagick support: emacs -Q file.gif then in the resulting image-mode buffer, (image-metadata (image-get-display-property)) returns: (count 44 delay 0.09 extension-data (0 "control-chars" 255 "NETSCAPE2.0" 254 "File source: http://commons.wikimedia.org/wiki/File:Rotating_earth_(large).gif" 249 "control-chars")) If I repeat the experiment with (I think this is the way to prefer ImageMagick over libgif): emacs -Q --eval "(setq image-type-header-regexps nil)" \ -f imagemagick-register-types then the returned metadata is just: (count 44)
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