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Changes the transparency value of a color


Imagick::matteFloodfillImage

(PECL imagick 2.0.0)

Imagick::matteFloodfillImageChanges the transparency value of a color

Description

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

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.



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