Here's a example of this function:
<?php
$img = new Imagick();
$img->readImage($image_file_name);
// leave hue at 100%, drop saturation by 100%, leave brightness at 100%
$img->modulateImage(100, 0, 100);
$img->writeImage($thumb_file_name);
$img->clear();
$img->destroy();
?>
Imagick::modulateImage
(PECL imagick 2.0.0)
Imagick::modulateImage — Control the brightness, saturation, and hue
Descrição
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.
Parâmetros
- brightness
-
- saturation
-
- hue
-
Valor Retornado
Retorna TRUE em sucesso.
User Contributed Notes
Imagick::modulateImage
Imagick::modulateImage
Anonymous
30-Nov-2008 01:36
30-Nov-2008 01:36

Imagick::minifyImage