Gmagick::setsamplingfactors()
(PECL gmagick >= Unknown)
Sets the image sampling factors
说明
public Gmagick::setsamplingfactors(array $factors): Gmagick
Sets the image sampling factors.
参数
- $factors
An array of doubles representing the sampling factor for each color component(in RGB order).
返回值
The Gmagick object on success.
错误／异常
错误时抛出GmagickException。