diff options
Diffstat (limited to 'docs/content/en/functions/images/Gamma.md')
-rw-r--r-- | docs/content/en/functions/images/Gamma.md | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/docs/content/en/functions/images/Gamma.md b/docs/content/en/functions/images/Gamma.md new file mode 100644 index 000000000..affbdcfa8 --- /dev/null +++ b/docs/content/en/functions/images/Gamma.md @@ -0,0 +1,36 @@ +--- +title: images.Gamma +description: Returns an image filter that performs gamma correction on an image. +categories: [] +keywords: [] +action: + aliases: [] + related: + - functions/images/Filter + - methods/resource/Filter + returnType: images.filter + signatures: [images.Gamma GAMMA] +toc: true +--- + +The gamma value must be positive. A value greater than 1 lightens the image, while a value less than 1 darkens the image. The filter has no effect when the gamma value is 1. + +## Usage + +Create the filter: + +```go-html-template +{{ $filter := images.Gamma 1.667 }} +``` + +{{% include "functions/images/_common/apply-image-filter.md" %}} + +## Example + +{{< img + src="images/examples/zion-national-park.jpg" + alt="Zion National Park" + filter="Gamma" + filterArgs="1.667" + example=true +>}} |