Imagick::functionImage

Applies a function on the image

&reftitle.description; public `bool` `Imagick::functionImage` `int` `function` `array` `arguments` `int` `channel` Imagick::CHANNEL_DEFAULT

Applies an arithmetic, relational, or logical expression to an image. Use these operators to create lighter or darker versions of an image, to increase or decrease contrast in an image, or to negate the image colors. &imagick.method.available.0x649;

&reftitle.parameters;

`function`

- Refer to this list of function constants

`arguments`

- Array of arguments to pass to this function.

&reftitle.returnvalues;

&imagick.return.success;

&reftitle.errors;

&imagick.imagick.throws;