Gmagick::getimagehistogram

(PECL gmagick >= Unknown)

Gmagick::getimagehistogram — Gets the image histogram

说明

public Gmagick::getimagehistogram(): array

Returns the image histogram as an array of GmagickPixel objects. Throw an GmagickException on error.

参数

此函数没有参数。

返回值

Returns the image histogram as an array of GmagickPixel objects.

错误／异常

错误时抛出 GmagickException。

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