PHP Manual
Gmagick
Applies a solarizing effect to the image

Gmagick::solarizeimage

(PECL gmagick >= Unknown)

Gmagick::solarizeimage — Applies a solarizing effect to the image

说明

public Gmagick::solarizeimage ( int $threshold ) : Gmagick

Applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.

参数

threshold: Define the extent of the solarization.

返回值

The Gmagick object on success.

错误／异常

错误时抛出 GmagickException。

php gmagick adds blur filter to image php gmagick surrounds the image with a border php gmagick renders the gmagickdraw object on the current image php gmagick enhance edges within the image php gmagick returns a grayscale image with a three dimensional effect php gmagick gets the depth for a particular image channel php gmagick gets the image colorspace php gmagick gets the image iterations php gmagick check if the image has a matte channel php gmagick returns the image matte color php gmagick moves to the next image php gmagick enhances the contrast of a color image php gmagick smooths the contours of an image php gmagick removes an image from the image list php gmagick sets the image colorspace php gmagick sets the image composite operator php gmagick sets the image scene php gmagick sets the image type php gmagick applies a solarizing effect to the image php imagick applies a solarizing effect to the image