Imagick::recolorImage

(PECL imagick 2 >= 2.3.0, PECL imagick 3)

Imagick::recolorImage — Recolors image

Warning

This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.

Description

public Imagick::recolorImage(array $matrix): bool

Translate, scale, shear, or rotate image colors. This method supports variable sized matrices but normally 5x5 matrix is used for RGBA and 6x6 is used for CMYK. The last row should contain the normalized values. This method is available if Imagick has been compiled against ImageMagick version 6.3.6 or newer.

Parameters

matrix: The matrix containing the color values

Return Values

Returns true on success.

Examples

Example #1 Imagick::recolorImage()

<?php
function recolorImage($imagePath) {
    $imagick = new \Imagick(realpath($imagePath));
    $remapColor = [ 1, 0, 0,
        0, 0, 1,
        0, 1, 0,];

//$remapColor = [
//    1.438, -0.122, -0.016,  0, 0, -0.03,
//    -0.062,  1.378, -0.016,  0, 0,  0.05,
//    -0.062, -0.122, 1.483,   0, 0, -0.02,
//];

    @$imagick->recolorImage($remapColor);

    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>

User Contributed Notes 1 note

down

softmixt at gmail dot com ¶

11 years ago


Simple example :

<?php

$image = new Imagick('test.jpg');

$CMYK_color_model = array(0,100,0,0);

$image->recolorImage($CMYK_color_model) ;

header('Content-type: image/jpg');

echo $image
?>

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