Imagick::optimizeImageLayers
Imagick::colorFloodfillImage
The Imagick class
PHP Manual

# Imagick::orderedPosterizeImage

(PECL imagick 2.2.2)

Imagick::orderedPosterizeImage — Performs an ordered dither

### Описание

bool Imagick::orderedPosterizeImage ( string `$threshold_map` [, int `$channel`= Imagick::CHANNEL_ALL ] )
Внимание

К настоящему времени эта функция еще не была документирована; для ознакомления доступен только список аргументов.

Performs an ordered dither based on a number of pre-defined dithering threshold maps, but over multiple intensity levels, which can be different for different channels, according to the input arguments.

### Список параметров

`threshold_map`

  A string containing the name of the threshold dither map to use

`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. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

### Возвращаемые значения

Returns `TRUE` on success.

### Errors/Exceptions

Throws ImagickException on error.

Imagick::optimizeImageLayers
Imagick::colorFloodfillImage
The Imagick class
PHP Manual