Imagick::separateImageChannelImagick::sepiaToneImage
(PECL imagick 2.0.0)
Imagick::sepiaToneImage — Sepia tones an image
Beschreibung
bool Imagick::sepiaToneImage
( float
$threshold
)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.
Parameter-Liste
-
threshold -
Rückgabewerte
Liefert TRUE bei Erfolg.
Fehler/Exceptions
Wirft ImagickException bei Fehlern.
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Imagick::sepiaToneImage
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