(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::opaquePaintImage — Changes the color value of any pixel that matches target
$target,$fill,$fuzz,$invert,$channel = Imagick::CHANNEL_DEFAULTChanges any pixel that matches color with the color defined by fill. 此方法在Imagick基于ImageMagick 6.3.8以上版本编译时可用。
targetImagickPixel object or a string containing the color to change
fillThe replacement color
fuzzThe amount of fuzz. For example, set fuzz to 10 and the color red at intensities of 100 and 102 respectively are now interpreted as the same color.
invert
If true paints any pixel that does not match the target color.
channel
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. 缺省为Imagick::CHANNEL_DEFAULT.
参考此 通道常数列表
成功时返回 true。