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imageconvolution()

Applies a 3x3 convolution matrix to an image.

imageconvolution()

function imageconvolution(mixed $image, array $matrix, float $divisor, float $offset): bool

Applies a 3x3 convolution matrix to an image.

Parameters:

  • $image (mixed)
  • $matrix (array)
  • $divisor (float)
  • $offset (float)

Returns: bool

Availability

  • Compiled (AOT): supported through the compiler-injected image prelude.
  • eval() (magician interpreter): not available inside eval’d code.

No examples yet. Check examples/ and showcases/ for usage patterns.

Internals

For how imageconvolution is implemented in the compiler, see the internals page.