优化

app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt

@@ -647,6 +647,9 @@ class ReadView(context: Context, attrs: AttributeSet) :
     }
 
     fun invalidateTextPage() {
+        if (!AppConfig.optimizeRender) {
+            return
+        }
         pageFactory.run {
             prevPage.invalidateAll()
             curPage.invalidateAll()
@@ -670,9 +673,10 @@ class ReadView(context: Context, attrs: AttributeSet) :
 
     fun submitRenderTask() {
         if (!AppConfig.optimizeRender) {
-            return
+            curPage.invalidateContentView()
+        } else {
+            curPage.submitRenderTask()
         }
-        curPage.submitRenderTask()
     }
 
     fun isLongScreenShot(): Boolean {

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextLine.kt

@@ -178,6 +178,9 @@ data class TextLine(
         } else {
             ReadBookConfig.textColor
         }
+        if (textPaint.color != textColor) {
+            textPaint.color = textColor
+        }
         val paint = PaintPool.obtain()
         paint.set(textPaint)
         if (extraLetterSpacing != 0f) {
@@ -186,9 +189,6 @@ data class TextLine(
         if (wordSpacing != 0f) {
             paint.wordSpacing = wordSpacing
         }
-        if (paint.color != textColor) {
-            paint.color = textColor
-        }
         if (extraLetterSpacingOffsetX != 0f) {
             canvas.withTranslation(extraLetterSpacingOffsetX) {
                 canvas.drawText(text, indentSize, text.length, startX, lineBase - lineTop, paint)

app/src/main/java/io/legado/app/ui/book/read/page/entities/column/TextColumn.kt

@@ -2,7 +2,6 @@ package io.legado.app.ui.book.read.page.entities.column
 
 import android.graphics.Canvas
 import androidx.annotation.Keep
-import io.legado.app.help.PaintPool
 import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.lib.theme.ThemeStore
 import io.legado.app.ui.book.read.page.ContentTextView
@@ -53,13 +52,10 @@ data class TextColumn(
         } else {
             ReadBookConfig.textColor
         }
-        val paint = PaintPool.obtain()
-        paint.set(textPaint)
-        if (paint.color != textColor) {
-            paint.color = textColor
+        if (textPaint.color != textColor) {
+            textPaint.color = textColor
         }
-        canvas.drawText(charData, start, textLine.lineBase - textLine.lineTop, paint)
-        PaintPool.recycle(paint)
+        canvas.drawText(charData, start, textLine.lineBase - textLine.lineTop, textPaint)
         if (selected) {
             canvas.drawRect(start, 0f, end, textLine.height, view.selectedPaint)
         }