Image viewer and browser
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help Fix Spanish help translation Oct 1, 2018
m4 meson: removed automake/autoconf files Apr 16, 2018
MAINTAINERS Imported my local branch Jun 9, 2009
NEWS updated for version 3.6.1 Mar 14, 2018
meson_options.txt meson: started porting Apr 16, 2018


This is the distribution of gThumb, an image viewer and browser utility
for the GNOME environment.

Information about gthumb can be found at

What is gThumb

 * gThumb is an image browser

   + Browse your hard disk showing you thumbnails of image files.
   + Thumbnails are saved in the same database used by Nautilus so you
     don't waste disk space.
   + Automatically update the content of a folder.
   + Copy, move, delete images and folders.
   + Bookmarks of folders and catalogs.

 * gThumb is an image viewer

   + View single images (including GIF animations).  Supported image
     types are: BMP, JPEG, GIF, PNG, TIFF, TGA, ICO, XPM.
   + Optional support for RAW and HDR (high dynamic range) images.
   + View EXIF data attached to JPEG images.
   + View in fullscreen mode.
   + View images rotated, flipped, mirrored.

 * gThumb is an image organizer

   + Add comments to images.
   + Organize images in catalogs, catalogs in libraries.
   + Print images and comments.
   + Search for images on you hard disk and save the result as a catalog.
     Search criteria remain attached to the catalog so you can update it
     when you want.

 * gThumb is an image editor

   + Change image hue, saturation, lightness, contrast and adjust colors.
   + Scale and rotate images.
   + Save images in the following formats: JPEG, PNG, TIFF, TGA.
   + Crop images.
   + Red-eye removal tool.

 * gThumb is an advanced tool

   + Import images from a digital camera.
   + Slide Shows.
   + Set an image as Desktop background.
   + Create index image.
   + Rename images in series.
   + Convert image format.
   + Change images date and time.
   + JPEG lossless transformations.
   + Find duplicated images.


  This program is released under the terms of the GNU General Public
  License (GNU GPL).

  You can find a copy of the license in the file COPYING.


  In order to build this program you need a working GNOME environment
  version 2 or greater, with the development tools installed properly.
  The following is the detailed list of libraries you need:

	* glib			version >= 2.36.0
	* gtk			version >= 3.16
	* gthread
	* gmodule
	* gio-unix

  While not mandatory, these libraries greatly increase gThumb's
  basic usefulness:

	* exiv2			version >= 0.21
	  (embedded metadata support)

	* gstreamer		version >= 1.0.0
	  (video support)

	* libjpeg
	* libtiff
	  (jpeg and tiff writing support)

  These libraries are optional:

	* clutter		version >= 1.12.0
	* clutter-gtk		version >= 1.0.0
          (These libraries provide enhanced slideshow effects.)

	* libraw
          (This adds some support for RAW photos)


  gThumb has a plug-in system for extensions. Some standard features
  are implemented as extensions and are supplied with the standard
  distribution. Users may write (and share) additional extensions.

  See for details.


  * Tar archives can be found here:

  * You can download and compile the latest development version using the 
    following commands:

        git clone git://
        cd gthumb
        mkdir build && cd build
        meson ..
        sudo ninja install

    More development information is available at