The active tool is highlighted in white.
Tools that can be used for the current image are highlighted in light grey.
Tools that cannot be used for the current image are highlighted in dark grey
To activate a tool, click on its icon.
Some tools have more sub tools. To show the list of sub tools, long-click or double-click on the tool icon to bring up the sub menu.
Updated on: 14 / 06 / 2021