Pixela Corporation DCR-TRV340 PIXELA ImageMixer 1.0 Instruction Manual page 201

Stencil masks
Stencil masks
Available stencil masks are listed here.
[OK] button
Click to apply the selected stencil mask.
Drawn masks
After selecting a tool, use the mouse to draw
your custom mask directly on the image in
the editor window. Changes will be applied
upon returning to the layout environment.
Brush button
Click to draw a custom mask with the brush.
Pen button
Click to draw a custom mask with the pen.
Eraser button
Click to erase portions of the custom mask currently being drawn.
Paint button
Click to apply a mask to the entire picture.