Imagick::raiseImageImagick::randomThresholdImage
(PECL imagick 2.0.0)
Imagick::randomThresholdImage — Creates a high-contrast, two-color image
Descrição
bool Imagick::randomThresholdImage
( float $low
, float $high
[, int $channel = Imagick::CHANNEL_ALL
] )
Changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image. Este método esta disponível apenas se Imagick foi compilado com ImageMagick versão 6.2.9 ou mais nova.
Parâmetros
- low
-
The low point
- high
-
The high point
- channel
-
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.
Valor Retornado
Retorna TRUE em sucesso.
User Contributed Notes
Imagick::randomThresholdImage
Imagick::randomThresholdImage
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