fixed inSampleSize calculation

Author: yushaojian13

ucrop/src/main/java/com/yalantis/ucrop/task/BitmapLoadTask.java

@@ -90,7 +90,7 @@ protected BitmapWorkerResult doInBackground(Void... params) {
         }
 
         final BitmapFactory.Options options = new BitmapFactory.Options();
-        options.inJustDecodeBounds = true;
+        BitmapLoadUtils.decodeDimensions(context, mInputUri, options);
         options.inSampleSize = BitmapLoadUtils.calculateInSampleSize(options, mRequiredWidth, mRequiredHeight);
         options.inJustDecodeBounds = false;
 

ucrop/src/main/java/com/yalantis/ucrop/util/BitmapLoadUtils.java

@@ -53,6 +53,19 @@ public static Bitmap transformBitmap(@NonNull Bitmap bitmap, @NonNull Matrix tra
         return bitmap;
     }
 
+    public static void decodeDimensions(@NonNull Context context, @NonNull Uri uri, @NonNull BitmapFactory.Options options) {
+        options.inJustDecodeBounds = true;
+        try {
+            InputStream is = context.getContentResolver().openInputStream(uri);
+            try {
+                BitmapFactory.decodeStream(is, null, options);
+            } finally {
+                BitmapLoadUtils.close(is);
+            }
+        } catch (IOException ignored) {
+        }
+    }
+
     public static int calculateInSampleSize(@NonNull BitmapFactory.Options options, int reqWidth, int reqHeight) {
         // Raw height and width of image
         final int height = options.outHeight;