Adobe Flash Professional CC 2014 v.13.0 - Manual (Page 257)

Graphic filters
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About filters
Working with filters
Applying filters
About filters
Filter overview
Filters (graphic effects) let you add enriching visual effects to text, buttons, and movie clips. A feature unique to Flash Pro is that you can animate
the filters you apply using motion tweens.
Flash Pro blend modes let you create composite images. Compositing is the process of varying the transparency or color interaction of two or
more overlapping objects. Blending modes also add a dimension of control to the opacity of objects and images. You can use Flash Pro blending
modes to create highlights or shadows that let details from an underlying image show through, or to colorize a desaturated image.
About animated filters
You can animate filters in the Timeline. Objects on separate keyframes joined by a tween have the parameters for corresponding filters tweened on
intermediate frames. If a filter does not have a matching filter (a filter of the same type) at the opposite end of the tween, a matching filter is added
automatically to ensure that the effect occurs at the end of the animation sequence.
To prevent motion tweens from functioning incorrectly if a filter is missing at one end of the tween, or if filters are applied in a different order at
each end, Flash Pro does the following:
If you apply a motion tween to a movie clip with filters applied to it, when you insert a keyframe at the opposite end of the tween, the movie
clip automatically has the same filters, with the same stacking order, on the last frame of the tween as it did at the beginning of the tween.
If you place movie clips on two different frames with different filters applied to each, and you apply a motion tween between the frames, Flash
Pro first processes the movie clip with the most filters. Flash Pro then compares the filters applied to the first movie clip against the filters
that the second movie clip uses. If no matching filters are found in the second movie clip, Flash Pro generates a dummy filter with no
parameters and the color of the existing filters.
If a motion tween exists between two keyframes and you add a filter to the object in one keyframe, Flash Pro automatically adds a dummy
filter to the movie clip when it reaches the keyframe at the other end of the tween.
If a motion tween exists between two keyframes and you remove a filter from an object in one keyframe, Flash Pro automatically removes the
matching filter from the movie clip when it reaches the keyframe at the other end of the tween.
If you set filter parameters inconsistently between the beginning and end of a motion tween, Flash Pro applies the filter settings of the starting
frame to the interpolated frames. Inconsistent settings occur when the following parameters are set differently between the beginning and end
of the tween: knockout, inner shadow, inner glow, and type of gradient glow and gradient bevel.
For example, if you create a motion tween using the drop shadow filter, and apply a drop shadow with a knockout on the first frame of the
tween, and an inner shadow on the last frame of the tween, Flash Pro corrects the inconsistent use of the filter in the motion tween. In this
case, Flash Pro applies the filter settings used on the first frame of the tween—a drop shadow with a knockout.
About filters and Flash Player performance
The type, number, and quality of the filters you apply to objects can affect the performance of SWF files as you play them. The more filters you
apply to an object, the greater the number of calculations Adobe® Flash® Player must process to correctly display the visual effects you’ve
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