3.10. 喷枪

图 14.85. The Airbrush tool in Toolbox

The Airbrush tool emulates a traditional airbrush. This tool is suitable for painting soft areas of color.

3.10.1. Activating the Tool

You can activate the Airbrush tool in several ways :

• From the image-menu, through : Tools → PaintTools → Airbrush

• By clicking on the tool icon: in the Toolbox,

• By using the A keyboard shortcut.

3.10.2. Key modifiers (Defaults)

Ctrl

Ctrl changes the airbrush to a Color Picker.

滑移

Shift places the airbrush into straight line mode. Holding Shift while clicking the mouse Left Button will generate a straight line. Consecutive clicks will continue drawing straight lines that originate from the end of the last line.

3.10.3. 选项

图 14.86. Airbrush options

Normally, tool options are displayed in a window attached under the Toolbox as soon as you activate a tool. If they are not, you can access them from the image menu bar through Windows → Dockable Windows → Tool Options which opens the option window of the selected tool.

Mode; Opacity; Brush; Size; Aspect Ratio; Angle; Spacing; Hardness; Dynamics; Dynamics Options; Force; Apply Jitter; Smooth Stroke; Lock brush size to view

See the Common Paint Tool Options for a description of tool options that apply to many or all paint tools.

Motion only: if this option is checked, the airbrush paints only when it moves.

比率

The Rate slider adjusts the speed of color application that the airbrush paints. A higher setting will produce darker brush strokes in a shorter amount of time.

Flow

This slider controls the amount of color that the airbrush paints. A higher setting here will result in darker strokes.