downloads | documentation | faq | getting help | mailing lists | licenses | wiki | reporting bugs | php.net sites | links | conferences | my php.net

search for in the

Imagick::montageImage> <Imagick::minifyImage
Last updated: Fri, 06 Nov 2009

view this page in

Imagick::modulateImage

(PECL imagick 2.0.0)

Imagick::modulateImageControl the brightness, saturation, and hue

Description

bool Imagick::modulateImage ( float $brightness , float $saturation , float $hue )
Warning

This function is currently not documented; only its argument list is available.

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.



add a note add a note User Contributed Notes
Imagick::modulateImage
Anonymous
30-Nov-2008 11:36
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::montageImage> <Imagick::minifyImage
Last updated: Fri, 06 Nov 2009
 
 
show source | credits | sitemap | contact | advertising | mirror sites