Imagick::opaquePaintImage()

(No version information available, might only be in Git)

Changes the color value of any pixel that matches target

说明

Imagick::opaquePaintImage(mixed $target, mixed $fill,float $fuzz,bool $invert[,int $channel= Imagick::CHANNEL_DEFAULT]): bool

Changes 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。

参数

$target

ImagickPixel object or a string containing the color to change

$fill

The replacement color

$fuzz

The 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

返回值

成功时返回TRUE。