up

app/src/main/java/io/legado/app/ui/widget/page/delegate/CoverPageDelegate.kt

@@ -57,12 +57,16 @@ class CoverPageDelegate(pageView: PageView) : PageDelegate(pageView) {
 
         val distanceX = if (offsetX > 0) offsetX - viewWidth else offsetX + viewWidth
         bitmap?.let {
-            if (distanceX < 0) {
+            when (direction) {
+                Direction.PREV -> {
                     bitmapMatrix.setTranslate(distanceX, 0.toFloat())
                     canvas.drawBitmap(it, bitmapMatrix, null)
-            } else {
+                }
+                Direction.NEXT -> {
                     curPage?.translationX = offsetX
                 }
+                Direction.NONE -> Unit
+            }
             addShadow(distanceX.toInt(), canvas)
         }
     }
@@ -71,7 +75,7 @@ class CoverPageDelegate(pageView: PageView) : PageDelegate(pageView) {
         if (left < 0) {
             shadowDrawableR.setBounds(left + viewWidth, 0, left + viewWidth + 30, viewHeight)
             shadowDrawableR.draw(canvas)
-        } else {
+        } else if (left > 0) {
             shadowDrawableR.setBounds(left, 0, left + 30, viewHeight)
             shadowDrawableR.draw(canvas)
         }