metadata, value, bounding, codword, column port

src/pdf417/decoder/barcode_value.rs

@@ -0,0 +1,78 @@
+/*
+ * 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 std::collections::HashMap;
+
+/**
+ * @author Guenther Grau
+ */
+pub struct BarcodeValue(HashMap<u32,u32>); 
+  // private final Map<Integer,Integer> values = new HashMap<>();
+
+  impl BarcodeValue {
+pub fn new() -> Self {
+  Self::default()
+}
+
+  /**
+   * Add an occurrence of a value
+   */
+  pub fn setValue(&mut self,  value:u32) {
+    let mut confidence = if let Some(value) = self.0.get(&value) {
+      *value
+    }else {
+      0
+    };
+    confidence+=1;
+    self.0.insert(value, confidence);
+  }
+
+  /**
+   * Determines the maximum occurrence of a set value and returns all values which were set with this occurrence.
+   * @return an array of int, containing the values with the highest occurrence, or null, if no value was set
+   */
+   pub fn getValue(&self) -> Vec<u32> {
+    let mut maxConfidence = -1_i32;
+    let mut result = Vec::new();
+    for (key,value) in &self.0 {
+    // for (Entry<Integer,Integer> entry : values.entrySet()) {
+      if *value as i32 > maxConfidence {
+        maxConfidence = *value as i32;
+        result.clear();
+        result.push(*key);
+      } else if *value as i32 == maxConfidence {
+        result.push(*key);
+      }
+    }
+
+     result
+  }
+
+  pub fn getConfidence(&self, value:u32) -> u32{
+     if let Some(v) = self.0.get(&value) {
+      *v
+     }else {
+      0
+     }
+  }
+
+}
+
+impl Default for BarcodeValue {
+    fn default() -> Self {
+        Self(Default::default())
+    }
+}