拾遗笔记

在Windows 下让Emacs 支持打开jpeg png 图片

首先查看一下这个变量

(print image-library-alist)

它的值记录了,打开相应格式的图片格式需要用到的dll 文件,你需要下载这些dll
文件,放到emacs 安装目录 的bin 目录下,
比如: 我的

(print image-library-alist) 
((xpm "libxpm.dll" "xpm4.dll" "libXpm-nox4.dll")
 (png "libpng14-14.dll" "libpng14.dll")
 (jpeg "jpeg62.dll" "libjpeg.dll" "jpeg-62.dll" "jpeg.dll")
 (tiff "libtiff3.dll" "libtiff.dll")
 (gif "giflib4.dll" "libungif4.dll" "libungif.dll")
 (svg "librsvg-2-2.dll")
 (gdk-pixbuf "libgdk_pixbuf-2.0-0.dll")
 (glib "libglib-2.0-0.dll")
 (gobject "libgobject-2.0-0.dll")
 (gnutls "libgnutls-26.dll"))

就是说要查看png 格式的文件,需要 "libpng14-14.dll"或 "libpng14.dll"
http://www.gtk.org/download/win32.php 网页上有libpng 的下载链接
http://ftp.gnome.org/pub/gnome/binaries/win32/dependencies/libpng_1.4.3-1_win32.zip

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