Adobe 65018518 User Guide - Page 240

About filters and Flash Player performance, About Pixel Bender filters, Applying filters

Page 240 highlights

USING FLASH CS4 PROFESSIONAL 235 Filters and Blends 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 corrects the inconsistent use of the filter in the motion tween. In this case, Flash 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 created. Adobe® recommends that you apply a limited number of filters to a given object. Each filter includes controls that let you adjust the strength and quality of the applied filter. Using lower settings improves performance on slower computers. If you are creating content for playback on a wide range of computers, or are unsure of the computing power available to your audience, set the quality level to Low to maximize playback performance. About Pixel Bender filters Adobe Pixel Bender™ is a programming language developed by Adobe that allows users to create custom filters, effects, and blend modes for use in Flash and After Effects. Pixel Bender is hardware independent and designed to run efficiently on a variety of GPU and CPU architectures automatically. Pixel Bender developers create filters by writing Pixel Bender code and saving the code in a text file with the file extension pbj. Once written, a Pixel Bender filter can be used by any Flash document. Use ActionScript® 3.0 to load the filter and use its controls. For more information about working with Pixel Bender in ActionScript, see Programming ActionScript 3.0. Applying filters Apply filters Each time you add a new filter to an object, it is added to the list of applied filters for that object in the Property inspector. You can apply multiple filters to an object, as well as remove filters that were previously applied. You can apply filters only to text, button, and movie clip objects. You can create a filter settings library that lets you easily apply the same filter or sets of filters to an object. Flash stores the filter presets you create in the Filters section of the Property inspector in the Filters > Presets menu. Updated 5 March 2009

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235
USING FLASH CS4 PROFESSIONAL
Filters and Blends
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 corrects the inconsistent
use of the filter in the motion tween. In this case, Flash 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 created. Adobe® recommends that you apply a limited number of filters to
a given object.
Each filter includes controls that let you adjust the strength and quality of the applied filter. Using lower settings
improves performance on slower computers. If you are creating content for playback on a wide range of computers,
or are unsure of the computing power available to your audience, set the quality level to Low to maximize playback
performance.
About Pixel Bender filters
Adobe Pixel Bender™ is a programming language developed by Adobe that allows users to create custom filters, effects,
and blend modes for use in Flash and After Effects. Pixel Bender is hardware independent and designed to run
efficiently on a variety of GPU and CPU architectures automatically.
Pixel Bender developers create filters by writing Pixel Bender code and saving the code in a text file with the file
extension pbj. Once written, a Pixel Bender filter can be used by any Flash document. Use ActionScript® 3.0 to load the
filter and use its controls.
For more information about working with Pixel Bender in ActionScript, see
Programming ActionScript 3.0
.
Applying filters
Apply filters
Each time you add a new filter to an object, it is added to the list of applied filters for that object in the Property
inspector. You can apply multiple filters to an object, as well as remove filters that were previously applied. You can
apply filters only to text, button, and movie clip objects.
You can create a filter settings library that lets you easily apply the same filter or sets of filters to an object. Flash stores
the filter presets you create in the Filters section of the Property inspector in the Filters
> Presets menu.
Updated 5 March 2009