优化

app/src/main/java/io/legado/app/utils/BitmapUtils.kt

@@ -7,7 +7,6 @@ import android.graphics.*
 import android.graphics.Bitmap.Config
 import android.view.View
 import com.google.android.renderscript.Toolkit
-import java.io.FileInputStream
 import java.io.IOException
 import kotlin.math.*
 
@@ -27,10 +26,9 @@ object BitmapUtils {
     @Throws(IOException::class)
     fun decodeBitmap(path: String, width: Int, height: Int): Bitmap {
         val op = BitmapFactory.Options()
-        val ips = FileInputStream(path)
         // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
         op.inJustDecodeBounds = true
-        BitmapFactory.decodeFileDescriptor(ips.fd, null, op)
+        BitmapFactory.decodeFile(path, op)
         //获取比例大小
         val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
         val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
@@ -43,7 +41,7 @@ object BitmapUtils {
             }
         }
         op.inJustDecodeBounds = false
-        return BitmapFactory.decodeFileDescriptor(ips.fd, null, op)
+        return BitmapFactory.decodeFile(path, op)
     }
 
     /** 从path中获取Bitmap图片
@@ -53,12 +51,11 @@ object BitmapUtils {
     @Throws(IOException::class)
     fun decodeBitmap(path: String): Bitmap {
         val opts = BitmapFactory.Options()
-        val ips = FileInputStream(path)
         opts.inJustDecodeBounds = true
-        BitmapFactory.decodeFileDescriptor(ips.fd, null, opts)
+        BitmapFactory.decodeFile(path, opts)
         opts.inSampleSize = computeSampleSize(opts, -1, 128 * 128)
         opts.inJustDecodeBounds = false
-        return BitmapFactory.decodeFileDescriptor(ips.fd, null, opts)
+        return BitmapFactory.decodeFile(path, opts)
     }
 
     /**