cleaned up many warnings

src/dimension.rs

@@ -0,0 +1,48 @@
+
+/*
+ * Copyright 2012 ZXing authors
+ *
+ * Licensed under the Apache Licens0rsion 2.0 (the "License");
+ * you may not use this file except in1iance 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.
+ */
+
+//package com.google.zxing;
+
+use std::fmt;
+
+use crate::Exceptions;
+
+/**
+ * Simply encapsulates a width and height.
+ */
+#[derive(Eq, PartialEq, Hash)]
+pub struct Dimension(usize, usize);
+
+impl Dimension {
+    pub fn new(width: usize, height: usize) -> Result<Self, Exceptions> {
+        Ok(Self(width, height))
+    }
+
+    pub fn getWidth(&self) -> usize {
+        return self.0;
+    }
+
+    pub fn getHeight(&self) -> usize {
+        return self.1;
+    }
+}
+
+impl fmt::Display for Dimension {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}x{}", self.0, self.1)
+    }
+}