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Imagick::modulateImage

(PECL imagick 2.0.0)

Imagick::modulateImage — Control the brightness, saturation, and hue

Description

代码语言:javascript
复制
bool Imagick::modulateImage ( float $brightness , float $saturation , float $hue )

Lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees.

Parameters

brightness saturation hue

Return Values

Returns TRUE on success.

Examples

Example #1 Imagick::modulateImage()

代码语言:javascript
复制
<?php
function modulateImage($imagePath, $hue, $brightness, $saturation) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->modulateImage($brightness, $saturation, $hue);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>

← Imagick::minifyImage

Imagick::montageImage →

代码语言:txt
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 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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