Changes the transparency value of a color

Imagick::mapImage
Imagick::medianFilterImage
The Imagick class
PHP Manual

# Imagick::matteFloodfillImage

(PECL imagick 2.0.0)

Imagick::matteFloodfillImage — Changes the transparency value of a color

### Description

bool Imagick::matteFloodfillImage ( float `$alpha` , float `$fuzz` , mixed `$bordercolor` , int `$x` , int `$y` )
Warning

This function is currently not documented; only its argument list is available.

Changes the transparency value of any pixel that matches target and is an immediate neighbor. If the method `FillToBorderMethod` is specified, the transparency value is changed for any neighbor pixel that does not match the bordercolor member of image.

### Parameters

`alpha`

  The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.

`fuzz`

  The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same.

`bordercolor`

  An ImagickPixel object or string representing the border color.

`x`

  The starting x coordinate of the operation.

`y`

  The starting y coordinate of the operation.

### Return Values

Returns `TRUE` on success.

### Errors/Exceptions

Throws ImagickException on error.

### Changelog

Version | Description
--- | ---
2.1.0 | Now allows a string representing the color as the third parameter. Previous versions allow only an ImagickPixel object.

Imagick::mapImage
Imagick::medianFilterImage
The Imagick class
PHP Manual