Imagick::transformImageColorspace

Transforms an image to a new colorspace

説明

public bool Imagick::transformImageColorspace(int $colorspace)

Transforms an image to a new colorspace.

パラメータ

colorspace: The colorspace the image should be transformed to, one of the COLORSPACE constants e.g. Imagick::COLORSPACE_CMYK.

戻り値

成功した場合に true を返します。

例

例1 Imagick::transformImageColorspace example

Transforms an image to a new colorspace, and then extracts a single channel so that the individual channel values can be viewed.

<?php
function transformImageColorspace($imagePath, $colorSpace, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->transformimagecolorspace($colorSpace);
    //channel should be one of the channel constants e.g. \Imagick::CHANNEL_BLUE 
    $imagick->separateImageChannel($channel);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}
?>

参考

Imagick::setColorSpace