Imagick::sepiaToneImage

(PECL imagick 2.0.0)

Imagick::sepiaToneImage — Sepia tones an image

说锟斤拷

Imagick::sepiaToneImage ( float $threshold ) : bool

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.

锟斤拷锟斤拷

threshold

锟斤拷锟斤拷值

锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷

锟斤拷锟斤拷锟届常

锟斤拷锟斤拷时锟阶筹拷 ImagickException锟斤拷

锟斤拷锟斤拷

Example #1 Imagick::sepiaToneImage()

<?php
function sepiaToneImage($imagePath, $sepia) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->sepiaToneImage($sepia);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>