checkin, bit_matrix_parser not building

src/qrcode/decoder/qr_code_decoder_meta_data.rs

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2013 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+use crate::RXingResultPoint;
+
+/**
+ * Meta-data container for QR Code decoding. Instances of this class may be used to convey information back to the
+ * decoding caller. Callers are expected to process this.
+ *
+ * @see com.google.zxing.common.DecoderRXingResult#getOther()
+ */
+pub struct QRCodeDecoderMetaData(bool);
+
+impl  QRCodeDecoderMetaData {
+  pub fn new( mirrored:bool) -> Self {
+    Self(mirrored)
+  }
+
+  /**
+   * @return true if the QR Code was mirrored.
+   */
+  pub fn isMirrored(&self) -> bool{
+    self.0
+  }
+
+  /**
+   * Apply the result points' order correction due to mirroring.
+   *
+   * @param points Array of points to apply mirror correction to.
+   */
+  pub fn applyMirroredCorrection(&self, points : &mut [RXingResultPoint]) {
+    if !self.0 || points.is_empty() || points.len() < 3 {
+      return
+    }
+    let bottom_left = points[0];
+    points[0] = points[2];
+    points[2] = bottom_left;
+    // No need to 'fix' top-left and alignment pattern.
+  }
+
+}