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(PECL imagick 2.0.0)
Imagick::sepiaToneImage — Sepia tones an image
$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.
threshold
成功时返回 TRUE
。
错误时抛出 ImagickException。
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 ();
}
?>