Imagick::sepiaToneImage

(PECL imagick 2.0.0)

Imagick::sepiaToneImage — Sepia 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 ();
}

 ?>