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| author | Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com> | 2024-04-15 10:09:25 +0200 |
|---|---|---|
| committer | Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com> | 2024-04-16 10:02:46 +0200 |
| commit | e197c7b29d8814d098bd53e9e7efd97c70f8de5f (patch) | |
| tree | b91bd66bb2eb27d2b1dc07637b66bcdd34951b93 /resources/image.go | |
| parent | 74e9129568e3b506a34205f11d024400f833a907 (diff) | |
Add Luminance to Color
To sort an image's colors from darkest to lightest, you can then do:
```handlebars
{{ {{ $colorsByLuminance := sort $image.Colors "Luminance" }}
```
This uses the formula defined here: https://www.w3.org/TR/WCAG21/#dfn-relative-luminance
Fixes #10450
Diffstat (limited to 'resources/image.go')
| -rw-r--r-- | resources/image.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/resources/image.go b/resources/image.go index 78a57bb53..8f70a665a 100644 --- a/resources/image.go +++ b/resources/image.go @@ -67,7 +67,7 @@ type imageResource struct { meta *imageMeta dominantColorInit sync.Once - dominantColors []string + dominantColors []images.Color baseResource } @@ -143,7 +143,7 @@ func (i *imageResource) getExif() *exif.ExifInfo { // Colors returns a slice of the most dominant colors in an image // using a simple histogram method. -func (i *imageResource) Colors() ([]string, error) { +func (i *imageResource) Colors() ([]images.Color, error) { var err error i.dominantColorInit.Do(func() { var img image.Image @@ -153,7 +153,7 @@ func (i *imageResource) Colors() ([]string, error) { } colors := color_extractor.ExtractColors(img) for _, c := range colors { - i.dominantColors = append(i.dominantColors, images.ColorToHexString(c)) + i.dominantColors = append(i.dominantColors, images.ColorGoToColor(c)) } }) return i.dominantColors, nil |