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edgeMode - SVG | MDN
The edgeMode
You can use this attribute with the following SVG elements:
For <feConvolveMatrix>edgeMode determines how to extend the input image as necessary with color values so that the matrix operations can be applied when the kernel is positioned at or near the edge of the input image.
Value
duplicate | wrap | none
Default value
duplicate
Animatable
Yes
duplicate
This value indicates that the input image is extended along each of its borders as necessary by duplicating the color values at the given edge of the input image.
wrap
This value indicates that the input image is extended by taking the color values from the opposite edge of the image.
none
This value indicates that the input image is extended with pixel values of zero for R, G, B and A.
For <feGaussianBlur>edgeMode determines how to extend the input image as necessary with color values so that the matrix operations can be applied when the kernel is positioned at or near the edge of the input image.
Value
duplicate | wrap | none
Default value
none
Animatable
Yes
duplicate
This value indicates that the input image is extended along each of its borders as necessary by duplicating the color values at the given edge of the input image.
wrap
This value indicates that the input image is extended by taking the color values from the opposite edge of the image.
none
This value indicates that the input image is extended with pixel values of zero for R, G, B and A.
