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imagegammacorrect()

Applies a gamma correction from one gamma value to another.

imagegammacorrect()

function imagegammacorrect(mixed $image, float $input_gamma, float $output_gamma): bool

Applies a gamma correction from one gamma value to another.

Parameters:

  • $image (mixed)
  • $input_gamma (float)
  • $output_gamma (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 imagegammacorrect is implemented in the compiler, see the internals page.