high level encoder builds

src/pdf417/encoder/barcode_row.rs

@@ -0,0 +1,84 @@
+/*
+ * Copyright 2011 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.
+ */
+
+/**
+ * @author Jacob Haynes
+ */
+pub struct BarcodeRow {
+    row: Vec<u8>,
+    //A tacker for position in the bar
+    currentLocation: usize,
+}
+
+impl BarcodeRow {
+    /**
+     * Creates a Barcode row of the width
+     */
+    pub fn new(width: usize) -> Self {
+        Self {
+            row: vec![0; width],
+            currentLocation: 0,
+        }
+    }
+
+    /**
+     * Sets a specific location in the bar
+     *
+     * @param x The location in the bar
+     * @param value Black if true, white if false;
+     */
+    pub fn set(&mut self, x: usize, value: u8) {
+        self.row[x] = value
+    }
+
+    /**
+     * Sets a specific location in the bar
+     *
+     * @param x The location in the bar
+     * @param black Black if true, white if false;
+     */
+    fn set_bool(&mut self, x: usize, black: bool) {
+        self.row[x] = if black { 1 } else { 0 }
+    }
+
+    /**
+     * @param black A boolean which is true if the bar black false if it is white
+     * @param width How many spots wide the bar is.
+     */
+    pub fn addBar(&mut self, black: bool, width: usize) {
+        for _ii in 0..width {
+            // for (int ii = 0; ii < width; ii++) {
+            self.set_bool(self.currentLocation, black);
+            self.currentLocation += 1;
+        }
+    }
+
+    /**
+     * This function scales the row
+     *
+     * @param scale How much you want the image to be scaled, must be greater than or equal to 1.
+     * @return the scaled row
+     */
+    pub fn getScaledRow(&self, scale: usize) -> Vec<u8> {
+        let mut output = vec![0; self.row.len() * scale];
+        for i in 0..output.len() {
+            // for (int i = 0; i < output.length; i++) {
+            output[i] = self.row[i / scale];
+        }
+
+        output
+    }
+}