2011

If a white stroke is used, the transparency of the alpha is decreased.
Stroke Operations
There are four paint stroke operations available in the Paint tool.
DescriptionOperation
Lets you paint on a selected layer's front or alpha—see Paint on page
582.
Paint
Lets you use the contents of one or more layers as the paint source
for a different layer—see Revealing Parts of an Image on page 586.
Reveal
Lets you copy a region of a layer and paint it on a destination
area—see Cloning a Region of an Image on page 589.
Clone
Lets you erase paint strokes—see Erasing Paint Strokes on page 592.Erase
Paint
The Paint stroke operation lets you paint on a selected layer's front or alpha.
Each raster layer has a front image and an alpha which you can apply strokes
to.
In the following example, a red sunset is added to the image of the ocean. In
the first image a round brush with a slight blur around its edge is used to
create the sun.
582 | Chapter 24 Raster Paint