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Specifies the coordinate system for the various length values within the filter primitives and for the attributes that define the filter primitive subregion. The filter primitives identify a subregion which restricts calculation and rendering of the given filter primitive. The default filter primitive subregion is equal to the filter region. If primitiveUnits="userSpaceOnUse", all attributes represent values in the current user coordinate system that is in place at the time when the filter is referenced. If primitiveUnits="objectBoundingBox", then all attributes represent fractions or percentages of the bounding box on the referencing element. If attribute primitiveUnits is not specified, then the effect is the same as specifying a value of "objectBoundingBox".
This property is read-only.
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Syntax
HRESULT get_primitiveUnits(
[out] SVGAnimatedEnumeration **primitiveUnits
);
Property values
Type: SVGAnimatedEnumeration
One of the following:
| Value | Condition |
|---|---|
| userSpaceOnUse userSpaceOnUse | Indicates that all attributes represent values in the current user coordinate system that is in place at the time when the filter is referenced. |
| objectBoundingBox objectBoundingBox | Indicates that all attributes represent fractions or percentages of the bounding box on the referencing element. |
Standards information
- Scalable Vector Graphics: Filter Effects, Section 15.25.1