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Clamp CIELab colors before RGB conversion

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This commit is contained in:
Christian Muehlhaeuser
2018-05-27 23:25:48 +02:00
parent a2e4fa300c
commit 3ac7672b93
1 changed files with 2 additions and 2 deletions
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4
examples/colorpalette/main.go
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@@ -35,7 +35,7 @@ func main() {
// l for lightness channel
// a, b for color channels
var d kmeans.Points
for l := 30; l < 255; l += 16 {
for l := 30; l < 230; l += 16 {
for a := 0; a < 255; a += 16 {
for b := 0; b < 255; b += 16 {
d = append(d, kmeans.Point{
@@ -59,7 +59,7 @@ func main() {
for i, c := range clusters {
fmt.Printf("Cluster: %d %+v\n", i, c.Center)
col := colorful.Lab(c.Center[0]*1.0, -0.9+(c.Center[1]*1.8), -0.9+(c.Center[2]*1.8))
col := colorful.Lab(c.Center[0], -0.9+(c.Center[1]*1.8), -0.9+(c.Center[2]*1.8)).Clamped()
fmt.Println("Color as Hex:", col.Hex())
buffer.Write([]byte(fmt.Sprintf(cell, col.Hex())))