User Guide

GNU Image Manipulation Program
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Note
To understand how anti-erasing is possible, you should realize that erasing (or cutting, for that matter) only affects
the alpha channel, not the RGB channels that contain the image data. Even if the result is completely transparent,
the RGB data is still there, you simply can’t see it. Anti-erasing increases the alpha value so that you can see the
RGB data once again.
An annoying feature: on a layer you have created with a transparent background, using anti-erasing on non-
painted areas paints with black!
Eit irriterande fenomen: Dersom du visker inn på eit lag med gjennomsiktig bakgrunn, vil viskeleret teikne med
svart på område som ikkje er teikna på frå før.
12.3.8 Airbrush Tool
Figure 12.31: The Airbrush tool in Toolbox
The Airbrush tool emulates a traditional airbrush. This tool is suitable for painting soft areas of color.
12.3.8.1 Activate Tool
You can activate the Eraser tool in several ways :
• From the image-menu, through : Tools → Paint Tools → Airbrush
• By clicking on the tool icon: in the Toolbox,
• By using the A keyboard shortcut.
12.3.8.2 Key modifiers (Defaults)
Shortcut The a key, or ] under GIMP-2.10, will change the active tool to Airbrush Tool.
Ctrl Ctrl changes the airbrush to a Color Picker.
Shift Shift places the airbrush into straight line mode. Holding Shift while clicking Button 1 will generate a straight line.
Consecutive clicks will continue drawing straight lines that originate from the end of the last line.