The Imagick class
PHP Manual

Imagick::opaquePaintImage

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Imagick::opaquePaintImageChanges the color value of any pixel that matches target

说明

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

Changes any pixel that matches color with the color defined by fill. This method is available if Imagick has been compiled against ImageMagick version 6.3.8 or newer.

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. Defaults to Imagick::CHANNEL_DEFAULT. Refer to this list of channel constants

返回值

Returns TRUE on success.


The Imagick class
PHP Manual