The Imagick class
PHP Manual

Imagick::setImageOpacity

(No version information available, might be only in CVS)

Imagick::setImageOpacitySets the image opacity level

Descrição

bool Imagick::setImageOpacity ( float $opacity )
Aviso

Esta função não está documentada; somente a lista de argumentos está disponível.

Sets the image to the specified opacity level. This method is present if Imagick is compiled against ImageMagick 6.3.1 or later.

Parâmetros

opacity

The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.

Valor Retornado

Retorna TRUE em sucesso.

Exemplos

Exemplo #1 A Imagick::setImageOpacity() example

An example of using Imagick::setImageOpacity()

<?php
/* Create the object */
$image = new Imagick('source.png');

/* Set the opacity */
$image->setImageOpacity(0.7);

/* output the image */
header('Content-type: image/png');
echo 
$image;

?>


The Imagick class
PHP Manual