(No version information available, might be only in CVS)
Imagick::sepiaToneImage — Sepia tones an image
К настоящему времени эта функция еще не была документирована; для ознакомления доступен только список аргументов.
Applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the sepia toning. A threshold of 80 is a good starting point for a reasonable tone.
Returns TRUE on success.
Throws ImagickException on error.