Imagick::clutImage()
(PECL imagick 2.0.0)
Replaces colors in the image
说明
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。
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