images.Brightness
Returns an image filter that changes the brightness of an image.
Syntax
images.Brightness PERCENTAGE
Returns
images.filter
The percentage must be in the range [-100, 100] where 0 has no effect. A value of -100 produces a solid black image, and a value of 100 produces a solid white image.
Usage
Create the image filter:
{{ $filter := images.Brightness 12 }}使用 images.Filter 函数应用滤镜：
{{ with resources.Get "images/original.jpg" }}
{{ with . | images.Filter $filter }}
<img src="{{ .RelPermalink }}" width="{{ .Width }}" height="{{ .Height }}" alt="">
{{ end }}
{{ end }}您也可以使用 Resource 对象上的 Filter 方法应用滤镜：
{{ with resources.Get "images/original.jpg" }}
{{ with .Filter $filter }}
<img src="{{ .RelPermalink }}" width="{{ .Width }}" height="{{ .Height }}" alt="">
{{ end }}
{{ end }}
{{__hugo_ctx/}}
## Example
Original
Processed
