Imagick::textureImageImagick::thresholdImage
(PECL imagick 2.0.0)
Imagick::thresholdImage — Changes the value of individual pixels based on a threshold
Description
bool Imagick::thresholdImage
( float $threshold
[, int $channel = Imagick::CHANNEL_ALL
] )
Warning
This function is currently not documented; only its argument list is available.
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.
Parameters
- threshold
-
- channel
-
Return Values
Returns TRUE on success.
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