Just override hue

app/src/main/kotlin/com/hippo/ehviewer/client/EhUtils.kt

@@ -39,7 +39,6 @@ import com.materialkolor.hct.Hct
 import com.materialkolor.ktx.from
 import com.materialkolor.ktx.toColor
 import eu.kanade.tachiyomi.util.lang.withUIContext
-import kotlin.math.abs
 import splitties.systemservices.downloadManager
 
 object EhUtils {
@@ -119,25 +118,10 @@ object EhUtils {
 
     fun invCategory(category: Int): Int = category.inv() and ALL_CATEGORY
 
-    private fun differenceDegrees(a: Double, b: Double): Double = 180.0 - abs(abs(a - b) - 180.0)
-
-    private fun sanitizeDegreesDouble(degrees: Double): Double {
-        val deg = degrees % 360.0
-        return if (deg < 0) deg + 360.0 else deg
-    }
-
-    private fun rotationDirection(from: Double, to: Double): Double {
-        val increasingDifference = sanitizeDegreesDouble(to - from)
-        return if (increasingDifference <= 180.0) 1.0 else -1.0
-    }
-
-    val harmonizeWithRole = { primaryContainer: Color, src: Color ->
+    val mergeColor = { primaryContainer: Color, src: Color ->
         val fromHct = Hct.from(src)
         val toHct = Hct.from(primaryContainer)
-        val differenceDegrees = differenceDegrees(toHct.hue, fromHct.hue)
-        val rotationDegrees = minOf(differenceDegrees * 0.5, 15.0)
-        val outputHue = sanitizeDegreesDouble(fromHct.hue + rotationDegrees * rotationDirection(fromHct.hue, toHct.hue))
-        Hct.from(outputHue, toHct.chroma, toHct.tone).toColor()
+        Hct.from(fromHct.hue, toHct.chroma, toHct.tone).toColor()
     }.memoize()
 
     @Stable
@@ -161,7 +145,7 @@ object EhUtils {
         )
         return if (Settings.harmonizeCategoryColor) {
             val primaryContainer = MaterialTheme.colorScheme.primaryContainer
-            harmonizeWithRole(primaryContainer, primary)
+            mergeColor(primaryContainer, primary)
         } else {
             primary
         }