OpenEXR Support for gThumb

This implements a basic support for OpenEXR on gThumb, the GNOME image viewer.

Package

Arch Linux

An AUR is available here: https://aur.archlinux.org/packages/gthumb-openexr-extension/

If using yay, you can install it with (after sync):

yay -Sy
yay -S gthumb-openexr-extension

Finally, see the 'Usage' section for activating and using the extension.

Ubuntu 16.04 LTS & 20.04 LTS

A ppa is available here: https://launchpad.net/~alban-f/+archive/ubuntu/gthumb-openexr-extension

You need to add it to your repositories:

sudo add-apt-repository ppa:alban-f/gthumb-openexr-extension
sudo apt-get update

Then, install the extension:

sudo apt install gthumb-openexr-extension

Finally, see the 'Usage' section for activating and using the extension.

Usage

To use the extension, you need to activate it in gThumb. Go to the top left menu, then to Preferences.

Open the Extensions tab.

Then activate OpenEXR format support.

After restarting gThumb, you should be able to display OpenEXR images.

Manual installation

Dependencies

Ubuntu 16.04 LTS

You need to install these dependencies to compile and install the extension:

• gthumb
• gthumb-dev
• gnome-common
• libglib2.0-dev
• build-essential
• libgtk-3-dev
• libgconf2-dev
• libopenexr-dev
• cmake

sudo apt install \
     gthumb \
     gthumb-dev \
     gnome-common \
     libglib2.0-dev \
     build-essential \
     libgtk-3-dev \
     libgconf2-dev \
     libopenexr-dev \
     cmake

Compilation

In order to compile and install the extension, do:

mkdir build
cd build
cmake .. -DCMAKE_INSTALL_PREFIX=/usr
make
sudo make install