diff options
Diffstat (limited to 'library/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt')
| -rw-r--r-- | library/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/library/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt b/library/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt index 8e396c7..c8fc90d 100644 --- a/library/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt +++ b/library/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt @@ -7,6 +7,7 @@ import android.graphics.PorterDuff import android.graphics.drawable.Drawable import android.os.Build import android.support.annotation.ColorInt +import android.support.annotation.FloatRange import android.support.annotation.IntRange import android.support.v4.content.ContextCompat import android.support.v4.graphics.drawable.DrawableCompat @@ -20,12 +21,20 @@ import com.afollestad.materialdialogs.R fun Int.isColorDark(): Boolean = (0.299 * Color.red(this) + 0.587 * Color.green(this) + 0.114 * Color.blue(this)) / 255.0 < 0.5 -fun Int.toHexString(withAlpha: Boolean = false, withHexPrefix:Boolean = true): String { +fun Int.toHexString(withAlpha: Boolean = false, withHexPrefix: Boolean = true): String { val hex = if (withAlpha) String.format("#%08X", this) else String.format("#%06X", 0xFFFFFF and this) return if (withHexPrefix) hex else hex.substring(1) } +fun Int.toHSV(): FloatArray { + val hsv = FloatArray(3) + Color.colorToHSV(this, hsv) + return hsv +} + +fun FloatArray.toColor():Int=Color.HSVToColor(this) + fun Int.isColorVisibleOn(@ColorInt color: Int, @IntRange(from = 0L, to = 255L) delta: Int = 8, @IntRange(from = 0L, to = 255L) minAlpha: Int = 50): Boolean = if (Color.alpha(this) < minAlpha) false |