From 64fa922ec013079f8f0c90fc9e93c56db3611d30 Mon Sep 17 00:00:00 2001 From: Tulir Asokan Date: Sun, 22 Apr 2018 21:25:06 +0300 Subject: Switch to dep --- .../lucasb-eyer/go-colorful/happy_palettegen.go | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 vendor/github.com/lucasb-eyer/go-colorful/happy_palettegen.go (limited to 'vendor/github.com/lucasb-eyer/go-colorful/happy_palettegen.go') diff --git a/vendor/github.com/lucasb-eyer/go-colorful/happy_palettegen.go b/vendor/github.com/lucasb-eyer/go-colorful/happy_palettegen.go new file mode 100644 index 0000000..d078a8b --- /dev/null +++ b/vendor/github.com/lucasb-eyer/go-colorful/happy_palettegen.go @@ -0,0 +1,26 @@ +package colorful + +import ( + "math/rand" +) + +// Uses the HSV color space to generate colors with similar S,V but distributed +// evenly along their Hue. This is fast but not always pretty. +// If you've got time to spare, use Lab (the non-fast below). +func FastHappyPalette(colorsCount int) (colors []Color) { + colors = make([]Color, colorsCount) + + for i := 0 ; i < colorsCount ; i++ { + colors[i] = Hsv(float64(i)*(360.0/float64(colorsCount)), 0.8 + rand.Float64()*0.2, 0.65 + rand.Float64()*0.2) + } + return +} + +func HappyPalette(colorsCount int) ([]Color, error) { + pimpy := func(l, a, b float64) bool { + _, c, _ := LabToHcl(l, a, b) + return 0.3 <= c && 0.4 <= l && l <= 0.8 + } + return SoftPaletteEx(colorsCount, SoftPaletteSettings{pimpy, 50, true}) +} + -- cgit v1.2.3