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I'm looking at /usr/share/icons/DMZ-White/cursors, and there is:

$ tree -s /usr/share/icons/DMZ-White/
/usr/share/icons/DMZ-White/
├── [       4096]  cursors
│   ├── [         14]  00008160000006810000408080010102 -> v_double_arrow
...
│   ├── [          5]  9d800788f1b08800ae810202380a0822 -> hand2
│   ├── [          8]  arrow -> left_ptr
│   ├── [      15776]  bd_double_arrow
│   ├── [      15776]  bottom_left_corner
│   ├── [      15776]  bottom_right_corner
│   ├── [      15776]  bottom_side
...

... a bunch of files without extension, that GIMP cannot open.

Is there an editor where these files can be opened - or at least a converter to something like .png? I can note that ImageMagick display also failed to open these files.

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6 Answers 6

Reset to default
5

The cursor files uses X11 cursor type of files:

$ file /usr/share/icons/DMZ-White/cursors/hand2
/usr/share/icons/DMZ-White/cursors/hand2: X11 cursor

GIMP plugin

You need a plugin to edit cursors files with GIMP called "X11 Mouse Cursor (XMC) plug-in" which you can find here.

The X tool

You can also create your own PNG images and transform them to cursors files using "Xcursorgen" which can be found in the x11-apps package.

Third party

Gursor Maker is a front end for xcursorgen.

References:

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  • Many thanks for the answer, @Braiam - I want to open and look at the images (and potentially paste them), so xcursorgen wouldn't have helped me much; my experience with GursorMaker and XMC plugin are posted in the OP edit - GursorMaker seems too old even for 11.04; however XMC worked fine. Thanks again - cheers!
    – sdaau
    Nov 11, 2013 at 2:27
5

Xcursor Viewer can be used for preview cursor. It hasn't any editing features. Only viewing.enter image description here

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  • 2
    This application is very small and lacks documentation, BUT, in order to compile it on fresh Linux Mint 19.3 (Tricia) - which is based on Ubuntu Bionic, I had to install qt5-default package, then type cmake . (note the dot), and then just simple make. Of course base tools for compilation should be installed too (binutils package, compilers, make, cmake, etc.). Then it works, but is unable to choose hidden directoris in directory list. This can be overcomed by using a symbolic link.
    – piotao
    Jan 2, 2020 at 23:03
  • Feel free to open an issue on github. Maybe I will improve this when I will have enough free time. Anyway I suprised that somebody uses this app.
    – Ivan Romanov
    Jan 3, 2020 at 6:04
  • @piotao you can simply right-click in the Find Directory dialog's directory list and choose "Show hidden files"
    – Ruslan
    Jun 14, 2020 at 8:41
2

Pretty old thread, if somebody searching for this:

Gimp is now supports it natively. So just open and can export to xcm.

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copied from OP edit:

Found also Gursor Maker - Cursor Editor for X11/GTK+; got the CVS code from SourceForge - it still uses Numeric (the old name of numpy), so to run it, you'll have to do:

#from Numeric import *
from numpy import *

... in xcurio.py, curxp.py, gimp.py, colorfunc.py - and comment the #from xml.dom.ext.reader import Sax2 in lsproj.py. With that, I got it running 11.04:

gursormaker

... but cannot get any files to open? So I thought I should grep for paths, nothing much came up - and when I looked into cursordefs.py, I simply had to paste this:

CURSOR_ICON = gtk.gdk.pixbuf_new_from_xpm_data([
        "10 16 3 1",
        "       c None",
        ".      c #000000",
        "+      c #FFFFFF",
        "..        ",
        ".+.       ",
        ".++.      ",
        ".+++.     ",
        ".++++.    ",
        ".+++++.   ",
        ".++++++.  ",
        ".+++++++. ",
        ".++++++++.",
        ".+++++....",
        ".++.++.   ",
        ".+. .++.  ",
        "..  .++.  ",
        "     .++. ",
        "     .++. ",
        "      ..  "])

Heh :) In any case, doesn't look like it will be much usable on newer Ubuntus, unfortunately...

Just tested XMC plugin as well - on 11.04, has to be built from source (from the link in the accepted answer); the requirements on my system resolved to:

sudo apt-get install libgimp2.0-dev libglib2.0-0-dbg libglib2.0-0-refdbg libglib2.0-cil-dev libgtk2.0-0-dbg libgtk2.0-cil-dev

... after that, the configure/make procedure in the INSTALL file works. Note that this plugin is a bit "sneaky":

xmc

... that is, you should use "All files" (as there are no extensions); cursor previews at first will not be rendered. Then open one cursor file; after it has been opened, then there is a preview in the File/Open dialog; but other than that, it works fine...

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There is also xcur2png, which allows converting the image data of cursors to PNG and creates .conf files.

Only an inofficial 64bit .deb build is available but luckily the source is non-problematic to compile, just make sure libxcursor is installed.

This answer was found at https://unix.stackexchange.com/questions/241364/

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I looked for the GIMP plugin Braiam mentioned and it seems to have disappeared. But by reading up on the spec I was able to come up with a simple Makefile that will extract the first 24x24 pixel cursor from a typical file that has the first icon at an offset of 0x70:

ICONDIR ?= /usr/share/icons/Adwaita/cursors
default: arrow.png
%.xxd: $(ICONDIR)/%
    xxd $< $@
%.bin: %.xxd
    sed -n '/^00000070:/,/^00000960:/p' $< | xxd -r -seek -0x70 > $@
%.png: %.bin
    convert -size 24x24 -depth 8 rgba:$< $@

It probably won't work for everybody. But it works on my Debian 10 netbook.

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