Imagick::clutImage

(PECL imagick 2.0.0)

Imagick::clutImage — Replaces colors in the image

说明

bool Imagick::clutImage ( Imagick $lookup_table [, float $channel = Imagick::CHANNEL_DEFAULT ] )

Replaces colors in the image from a color lookup table. Optional second parameter to replace colors in a specific channel. 此方法在Imagick基于ImageMagick 6.3.6以上版本编译时可用。

参数

lookup_table: Imagick object containing the color lookup table
channel: The Channeltype constant. When not supplied, default channels are replaced.

返回值

成功时返回 TRUE 。

范例

Example #1 Using Imagick::clutImage() :

Replace colors in the image from a color lookup table.

  <?php
$image  = new  Imagick ( 'test.jpg' );
 $clut  = new  Imagick ();
 $clut -> newImage ( 1 ,  1 , new  ImagickPixel ( 'black' ));
 $image -> clutImage ( $clut );
 $image -> writeImage ( 'test_out.jpg' );
 ?>

参见

Imagick::adaptiveBlurImage() - Adds adaptive blur filter to image
Imagick::motionBlurImage() - Simulates motion blur
Imagick::radialBlurImage() - Radial blurs an image