Convert java math to kotlin math

1 files changed, 8 insertions, 5 deletions

diff --git a/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt b/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt
index ab7b341..0131302 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt
@@ -36,6 +36,9 @@ import androidx.core.graphics.drawable.DrawableCompat
 import androidx.core.view.ViewCompat
 import com.afollestad.materialdialogs.R
 import java.util.Random
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.roundToInt
 
 /**
  * Created by Allan Wang on 2017-06-08.
@@ -86,9 +89,9 @@ fun Int.isColorVisibleOn(
     @IntRange(from = 0L, to = 255L) minAlpha: Int = 50
 ): Boolean =
     if (Color.alpha(this) < minAlpha) false
-    else !(Math.abs(Color.red(this) - Color.red(color)) < delta &&
-        Math.abs(Color.green(this) - Color.green(color)) < delta &&
-        Math.abs(Color.blue(this) - Color.blue(color)) < delta)
+    else !(abs(Color.red(this) - Color.red(color)) < delta &&
+        abs(Color.green(this) - Color.green(color)) < delta &&
+        abs(Color.blue(this) - Color.blue(color)) < delta)
 
 @ColorInt
 fun Context.getDisabledColor(): Int {
@@ -99,7 +102,7 @@ fun Context.getDisabledColor(): Int {
 
 @ColorInt
 fun Int.adjustAlpha(factor: Float): Int {
-    val alpha = Math.round(Color.alpha(this) * factor)
+    val alpha = (Color.alpha(this) * factor).roundToInt()
     return Color.argb(alpha, Color.red(this), Color.green(this), Color.blue(this))
 }
 
@@ -122,7 +125,7 @@ fun Int.withAlpha(@IntRange(from = 0, to = 0xFF) alpha: Int): Int =
 
 @ColorInt
 fun Int.withMinAlpha(@IntRange(from = 0, to = 0xFF) alpha: Int): Int =
-    withAlpha(Math.max(alpha, this ushr 24))
+    withAlpha(max(alpha, this ushr 24))
 
 @ColorInt
 private inline fun Int.colorFactor(rgbFactor: (Int) -> Float): Int {