Replaces colors in the image

# Imagick::clutImage

(PECL imagick 2, PECL imagick 3)

Imagick::clutImage — Replaces colors in the image

### 说明

public function Imagick::clutImage(Imagick `$lookup_table`, int `$channel` = Imagick::CHANNEL_DEFAULT): bool

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`。

### 示例

示例 #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

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