Gets the image total ink density

# Imagick::getImageTotalInkDensity

(PECL imagick 2, PECL imagick 3)

Imagick::getImageTotalInkDensity — Gets the image total ink density

### 说明

public function Imagick::getImageTotalInkDensity(): float

Gets the image total ink density.

### 参数

此函数没有参数。

### 返回值

Returns the image total ink density of the image. 错误时抛出 ImagickException。

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