Gmagick::solarizeimage()
(PECL gmagick >= Unknown)
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。