GIMP tools - BDA

GIMP 82
Mode. It shows how the paint will be used. Paint tools have the same modes as
layers (described in Chapter XXX), except for Behind and Color erase modes. All
possible modes are listed in the drop-down list. Let's discuss some of them:
o The Behind mode is applied only to layers with the Alpha channel (the
channel of transparency). It is often put only on the opaque area of the
layer. The amount of the paint depends on the transparency value: the
lower the opacity is, the more paint is applied.
o The Color erase mode erases the foreground colour replacing it with
semi-transparency.
o The Dissolve mode paint a line with XXXX strokes.
Opacity sets the transparency level. The value may be from 0 to 100. Where the
value is 100, the brushstroke is opaque, where 0 – totally transparent. In the
image below you can see the lines painted using different opacity values.
Brush allows you to choose the shape and the size of a brush. In the image
below you can see lines painted with a brush of different shapes: