From b15928026c271cf78f61df96fb22adc1020361b0 Mon Sep 17 00:00:00 2001
From: kunfei <gekunfei@live.com>
Date: Fri, 28 Feb 2020 09:04:25 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=BC=98=E5=8C=96=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../app/ui/book/read/page/ChapterProvider.kt   | 18 ++++++++++++++++++
 .../app/ui/book/read/page/entities/TextChar.kt |  4 ++--
 .../app/ui/book/read/page/entities/TextLine.kt | 11 +++++++++++
 3 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ChapterProvider.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ChapterProvider.kt
index 4a9d5bb71..2c3996fd8 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ChapterProvider.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ChapterProvider.kt
@@ -265,6 +265,7 @@ object ChapterProvider {
             )
             x = x1
         }
+        exceed(textLine, words)
     }
 
     /**
@@ -291,8 +292,25 @@ object ChapterProvider {
             )
             x = x1
         }
+        exceed(textLine, words)
     }
 
+    /**
+     * 超出边界处理
+     */
+    private fun exceed(textLine: TextLine, words: String) {
+        val endX = textLine.textChars.last().end
+        if (endX > visibleRight) {
+            val cc = (endX - visibleRight) / words.length
+            for (i in 0..words.lastIndex) {
+                textLine.getTextCharReverseAt(i).let {
+                    val py = cc * (words.length - i)
+                    it.start = it.start - py
+                    it.end = it.end - py
+                }
+            }
+        }
+    }
 
     /**
      * 更新样式
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChar.kt b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChar.kt
index 642fc0dc6..72798a9ea 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChar.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChar.kt
@@ -2,7 +2,7 @@ package io.legado.app.ui.book.read.page.entities
 
 data class TextChar(
     val charData: String,
-    val start: Float,
-    val end: Float,
+    var start: Float,
+    var end: Float,
     var selected: Boolean = false
 )
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
index 547ad085d..a9c84fb68 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt
@@ -14,4 +14,15 @@ data class TextLine(
         textChars.add(TextChar(charData, start = start, end = end))
     }
 
+    fun getTextCharAt(index: Int): TextChar {
+        return textChars[index]
+    }
+
+    fun getTextCharReverseAt(index: Int): TextChar {
+        return textChars[textChars.lastIndex - index]
+    }
+
+    fun getTextCharsCount(): Int {
+        return textChars.size
+    }
 }