up

app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt

@@ -15,9 +15,11 @@ import io.legado.app.help.ReadBookConfig
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.ui.readbook.Help
+import io.legado.app.ui.readbook.ReadBookActivity
 import io.legado.app.utils.getPrefInt
 import io.legado.app.utils.postEvent
 import io.legado.app.utils.putPrefInt
+import kotlinx.android.synthetic.main.activity_read_book.*
 import kotlinx.android.synthetic.main.dialog_read_book_style.*
 import org.jetbrains.anko.sdk27.listeners.onCheckedChange
 import org.jetbrains.anko.sdk27.listeners.onClick
@@ -70,6 +72,10 @@ class ReadStyleDialog : DialogFragment() {
             for (i in 0 until rg_page_anim.childCount) {
                 if (checkedId == rg_page_anim[i].id) {
                     requireContext().putPrefInt("pageAnim", i)
+                    val activity = activity
+                    if (activity is ReadBookActivity) {
+                        activity.page_view.upPageAnim()
+                    }
                     break
                 }
             }

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

@@ -7,8 +7,10 @@ import android.util.AttributeSet
 import android.view.MotionEvent
 import android.widget.FrameLayout
 import io.legado.app.help.ReadBookConfig
+import io.legado.app.ui.widget.page.delegate.CoverPageDelegate
 import io.legado.app.ui.widget.page.delegate.PageDelegate
 import io.legado.app.ui.widget.page.delegate.SlidePageDelegate
+import io.legado.app.utils.getPrefInt
 
 class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, attrs), PageDelegate.PageInterface {
 
@@ -30,7 +32,7 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         upBg()
         setWillNotDraw(false)
 
-        pageDelegate = SlidePageDelegate(this)
+        upPageAnim()
 
         setPageFactory(TextPageFactory.create(object : DataSource {
             override fun pageIndex(): Int {
@@ -138,6 +140,13 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         upContent()
     }
 
+    fun upPageAnim() {
+        pageDelegate = when (context.getPrefInt("pageAnim")) {
+            1 -> SlidePageDelegate(this)
+            else -> CoverPageDelegate(this)
+        }
+    }
+
     fun upContent() {
         pageFactory?.let {
             prevPage?.setContent(it.previousPage())

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

@@ -13,7 +13,10 @@ import io.legado.app.utils.screenshot
 import kotlin.math.abs
 
 abstract class PageDelegate(protected val pageView: PageView) {
-    val centerRectF = RectF()
+    val centerRectF = RectF(
+        pageView.width * 0.33f, pageView.height * 0.33f,
+        pageView.width * 0.66f, pageView.height * 0.66f
+    )
     //起始点
     protected var startX: Float = 0.toFloat()
     protected var startY: Float = 0.toFloat()
@@ -97,8 +100,8 @@ abstract class PageDelegate(protected val pageView: PageView) {
         viewHeight = height
         invalidate()
         centerRectF.set(
-            width / 3f, height / 3f,
-            width * 2f / 3, height * 2f / 3
+            width * 0.33f, height * 0.33f,
+            width * 0.66f, height * 0.66f
         )
     }