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This filter primitive performs the combination of two input images pixel-wise in image space using one of the Porter-Duff compositing operations: over
, in
, atop
, out
, xor
and lighter
. Additionally, a component-wise arithmetic
operation (with the result clamped between [0..1]) can be applied.
The arithmetic
operation is useful for combining the output from the <feDiffuseLighting>
and <feSpecularLighting>
filters with texture data. If the arithmetic
operation is chosen, each result pixel is computed using the following formula:
result = k1*i1*i2 + k2*i1 + k3*i2 + k4
where:
i1
andi2
indicate the corresponding pixel channel values of the input image, which map toin
andin2
respectivelyk1, k2, k3
andk4
indicate the values of the attributes with the same name
Usage context
Categories | Filter primitive element |
---|---|
Permitted content | Any number of the following elements, in any order:<animate> , <set> |
Attributes
Global attributes
Specific attributes
DOM Interface
This element implements the SVGFECompositeElement
interface.
Specifications
Specification | Status | Comment |
---|---|---|
Filter Effects Module Level 1 The definition of '<feComposite>' in that specification. |
Working Draft | Added lighter value for operator attribute. |
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of '<feComposite>' in that specification. |
Recommendation | Initial definition |
Browser compatibility
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | ? | ? | ? | ? | ? | ? |
lighter for operator |
? | ? | ? | ? | ? | ? |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | ? | ? | ? | ? | ? |
lighter for operator |
? | ? | ? | ? | ? |