Imagick::selectiveBlurImage

(PECL imagick 3 >= 3.3.0)

Imagick::selectiveBlurImage — Selectively blur an image within a contrast threshold

Descrição

public Imagick::selectiveBlurImage(
    float $radius,
    float $sigma,
    float $threshold,
    int $channel = Imagick::CHANNEL_DEFAULT
): bool

Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.

Parâmetros

radius
sigma
threshold
channel: Fornece qualquer constante de canal que seja válida no modo de canal. Para aplicar a mais de um canal, constantes de canal devem ser combinadas usando operadores bit a bit. O padrão é Imagick::CHANNEL_DEFAULT. Consulte esta lista de constantes de canal

Valor Retornado

Retorna true em caso de sucesso.

Exemplos

Exemplo #1 Imagick::selectiveBlurImage()

<?php
function selectiveBlurImage($imagePath, $radius, $sigma, $threshold, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->selectiveBlurImage($radius, $sigma, $threshold, $channel);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>

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