Imagick::paintTransparentImage

(PECL imagick 2.0.0)

Imagick::paintTransparentImage — Changes any pixel that matches color with the color defined by fill

bool Imagick::paintTransparentImage ( mixed $target , float $alpha , float $fuzz )

Changes any pixel that matches color with the color defined by fill.

target: Change this target color to specified opacity value within the image.
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.

Returns TRUE on success.

Throws ImagickException on error.

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