CHAPTER 8
136
Painting
• The result color is the color resulting from
the blend.
To select a blending mode for a tool:
Choose from the Mode menu in the options bar.
Normal Edits or paints each pixel to make it the
result color. This is the default mode. (Normal
mode is called Threshold when you’re working
with an image in Bitmap or Indexed Color mode.)
Dissolve Edits or paints each pixel to make it the
result color. However, the result color is a random
replacement of the pixels with the base color or the
blend color, depending on the opacity at any pixel
location. This mode works best with the brush tool
and a large brush.
Behind Edits or paints only on the transparent
part of a layer. This mode works only on layers
with Lock Transparency deselected, and is
analogous to painting on the back of transparent
areas on a sheet of glass.
Clear Edits or paints each pixel and makes it
transparent. You must be on a layer with Lock
Tr ansparency deselected in the Layers palette to
use this mode.
Darken Looks at the color information in each
channel and selects the base or blend color—
whichever is darker—as the result color. Pixels
lighter than the blend color are replaced, and
pixels darker than the blend color do not change.
Multiply Looks at the color information in each
channel and multiplies the base color by the blend
color. The result color is always a darker color.
Multiplying any color with black produces black.
Multiplying any color with white leaves the color
unchanged. When you’re painting with a color
other than black or white, successive strokes with a
painting tool produce progressively darker colors.
The effect is similar to drawing on the image with
multiple felt-tipped pens.
Color Burn Looks at the color information in
each channel and darkens the base color to reflect
the blend color. Blending with white produces
no change.
Linear Burn Looks at the color information in
each channel and darkens the base color to reflect
the blend color by decreasing the brightness.
Blending with white produces no change.
Lighten Looks at the color information in each
channel and selects the base or blend color—
whichever is lighter—as the result color. Pixels
darker than the blend color are replaced, and
pixels lighter than the blend color do not change.
Screen Looks at each channel’s color information
and multiplies the inverse of the blend and base
colors. The result color is always a lighter color.
Screening with black leaves the color unchanged.
Screening with white produces white. The effect is
similar to projecting multiple photographic slides
on top of each other.
Color Dodge Looks at the color information in
each channel and brightens the base color to
reflect the blend color. Blending with black
produces no change.
Linear Dodge Looks at the color information in
each channel and brightens the base color to
reflect the blend color by increasing the
brightness. Blending with black produces no
change.
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