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cairo_set_source_rgba()

Implemented by the compiler-injected image prelude.

cairo_set_source_rgba()

function cairo_set_source_rgba(mixed $context, float $red, float $green, float $blue, float $alpha): void

Implemented by the compiler-injected image prelude.

Parameters:

  • $context (mixed)
  • $red (float)
  • $green (float)
  • $blue (float)
  • $alpha (float)

Returns: void

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 cairo_set_source_rgba is implemented in the compiler, see the internals page.