images.GaussianBlur
Returns an image filter that applies a gaussian blur to an image.
Syntax
images.GaussianBlur SIGMA
Returns
images.filter
The sigma value must be positive, and indicates how much the image will be blurred. The blur-affected radius is approximately 3 times the sigma value.
Usage
Create the filter:
{{ $filter := images.GaussianBlur 5 }}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
