Understanding drawing and painting in Flash
Before you draw and paint in Flash, it is important to
understand how drawing, painting, and modifying shapes can affect
other shapes on the same layer. When you draw a line across
another line or painted shape, the line you draw acts like a knife
and divides the other line or shape it crosses into separate
segments. Furthermore, the drawn line itself is divided into
segments, as shown in this illustration. You can select, move, and
reshape each segment individually.
A fill; the fill with a line drawn
through it; and the two fills and three line segments created by
segmentation
When you paint on top of shapes and lines, the portion
underneath is replaced by whatever is on top. Paint of the same
color merges together. Paint of different colors remains distinct.
Use these features to create masks, cutouts, and other negative
images. For example, the leaf cutout below was made by moving the
ungrouped leaf image onto the red shape, deselecting the leaf, and
then moving the leaf away from the red shape.
To avoid inadvertently altering shapes and lines, group them or
use layers to separate them. See Grouping
objects and Layers
overview.
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