(PECL gmagick >= Unknown)
Gmagick::solarizeimage — Applies a solarizing effect to the image
$threshold) : Gmagick
Applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.
Define the extent of the solarization.
The Gmagick object on success.