Imagick::posterizeImage
Imagick::previousImage
The Imagick class
PHP Manual

# Imagick::previewImages

(PECL imagick 2.0.0)

Imagick::previewImages — Quickly pin-point appropriate parameters for image processing

### Descrição

bool Imagick::previewImages ( int `$preview` )
Aviso

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

Tiles 9 thumbnails of the specified image with an image processing operation applied at varying strengths. This is helpful to quickly pin-point an appropriate parameter for an image processing operation.

### Parâmetros

`preview`

  Preview type. See Preview type constants

### Valor Retornado

Retorna `TRUE` em sucesso.

### Erros

Dispara ImagickException em erro.

Imagick::posterizeImage
Imagick::previousImage
The Imagick class
PHP Manual