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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:
i1andi2indicate the corresponding pixel channel values of the input image, which map toinandin2respectivelyk1, k2, k3andk4indicate 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 |
? | ? | ? | ? | ? |