(PECL imagick 2.0.0)
Change any pixel that matches color
bool Imagick::paintOpaqueImage ( mixed $target, mixed $fill, float $fuzz [, int $channel = Imagick::CHANNEL_ALL ] )
Changes any pixel that matches color with the color defined by fill.
Parameters:
target
Change this target color to the fill color within the image. An ImagickPixel object or a string representing the