Imagick::sepiaToneImage

(PECL imagick 2.0.0)

Imagick::sepiaToneImageSepia tones an image

说明

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.

参数

threshold

返回值

成功时返回 TRUE

错误/异常

错误时抛出 ImagickException。

范例

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();
}

?>

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