27 lines
895 B
Kotlin
27 lines
895 B
Kotlin
package com.jrummyapps.android.colorpicker
|
|
|
|
import android.graphics.Color
|
|
|
|
fun parseColorString(src: String): Int {
|
|
val start = if (src.startsWith("#")) 1 else 0
|
|
|
|
fun c1(offset: Int) =
|
|
src.substring(start + offset, start + offset + 1).toInt(16) * 0x11
|
|
|
|
fun c2(offset: Int) =
|
|
src.substring(start + offset, start + offset + 2).toInt(16)
|
|
|
|
return when (src.length - start) {
|
|
0 -> Color.BLACK
|
|
1 -> Color.argb(255, c1(0), c1(0), c1(0))
|
|
2 -> Color.argb(255, c1(0), c1(1), 0x80)
|
|
3 -> Color.argb(255, c1(0), c1(1), c1(2))
|
|
4 -> Color.argb(c1(0), c1(1), c1(2), c1(3))
|
|
5 -> Color.argb(255, c2(0), c2(2), c1(4))
|
|
6 -> Color.argb(255, c2(0), c2(2), c2(4))
|
|
7 -> Color.argb(c2(0), c2(2), c2(4), c1(6))
|
|
8 -> Color.argb(c2(0), c2(2), c2(4), c2(6))
|
|
else -> Color.WHITE
|
|
}
|
|
}
|