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This document listed the design principles and requirements for the creation of an SVG specification related to filters.
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The SVG specification is a W3C recommendation that describes two-dimensional graphics in XML.
The following key words and phrases used throughout this document are defined here for clarity. The terms Must, Should, and May are used to specify the extent to which an item is a requirement for the SVG working group in defining SVGP. These recommendations should not be mistaken as a guide to implementors.
The following usage scenarios illustrate some of the ways in which SVG Filters might be used for various applications.
Making drop shadows Filtering the input (e.g. text or bitmaps) to produce drop shadows.
Changing color tone Filtering the input to become e.g. sepia-toned or black and white.
Memory and processor requirements A filter effect may require significant memory or processing resources.