+ add exception when file is not a picture (as example - video file)

Author: Andriy Shevchuk

cropper/src/main/java/com/theartofdev/edmodo/cropper/BitmapUtils.java

@@ -113,6 +113,9 @@ static BitmapSampled decodeSampledBitmap(Context context, Uri uri, int reqWidth,
       // First decode with inJustDecodeBounds=true to check dimensions
       BitmapFactory.Options options = decodeImageForOption(resolver, uri);
 
+      if(options.outWidth  == -1 && options.outHeight == -1)
+        throw new RuntimeException("File is not a picture");
+
       // Calculate inSampleSize
       options.inSampleSize =
           Math.max(