WIPtcell-migration

1 files changed, 26 insertions, 0 deletions

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})
+}
+