Imagick
PHP Manual

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
PHP Manual