Fix webtoon mode

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt

@@ -5,6 +5,7 @@ import android.view.View
 import androidx.core.view.isVisible
 import androidx.lifecycle.LifecycleOwner
 import com.davemorrissey.labs.subscaleview.ImageSource
+import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.os.NetworkState
@@ -96,6 +97,9 @@ class WebtoonHolder(
 	override fun onImageShowing(settings: ReaderSettings) {
 		binding.ssiv.colorFilter = settings.colorFilter?.toColorFilter()
 		with(binding.ssiv) {
+			minimumScaleType = SubsamplingScaleImageView.SCALE_TYPE_CUSTOM
+			minScale = width / sWidth.toFloat()
+			maxScale = minScale
 			scrollTo(
 				when {
 					scrollToRestore != 0 -> scrollToRestore

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonImageView.kt

@@ -100,17 +100,6 @@ class WebtoonImageView @JvmOverloads constructor(
 		}
 	}
 
-	override fun onReady() {
-		super.onReady()
-		adjustScale()
-	}
-
-	override fun onDownsamplingChanged() {
-		super.onDownsamplingChanged()
-		adjustScale()
-		computeScrollRange()
-	}
-
 	private fun scrollToInternal(pos: Int) {
 		scrollPos = pos
 		ct.set(sWidth / 2f, (height / 2f + pos.toFloat()) / minScale)
@@ -128,10 +117,4 @@ class WebtoonImageView @JvmOverloads constructor(
 	private fun parentHeight(): Int {
 		return ancestors.firstNotNullOfOrNull { it as? RecyclerView }?.height ?: 0
 	}
-
-	private fun adjustScale() {
-		minScale = width / sWidth.toFloat()
-		maxScale = minScale
-		minimumScaleType = SCALE_TYPE_CUSTOM
-	}
 }