From 9dce9f85950fcbc4f2c6370f3720fe7f2e332e16 Mon Sep 17 00:00:00 2001
From: intel-x86-64 <192.cpp@gmail.com>
Date: Mon, 1 Dec 2025 16:12:12 +0300
Subject: [PATCH] Add support for DataBar

---
 include/BarcodeFactory.h   |  1 +
 include/DataBarGenerator.h | 21 +++++++++++++++++++++
 src/BarcodeFactory.cpp     |  3 +++
 src/DataBarGenerator.cpp   | 10 ++++++++++
 4 files changed, 35 insertions(+)
 create mode 100644 include/DataBarGenerator.h
 create mode 100644 src/DataBarGenerator.cpp

diff --git a/include/BarcodeFactory.h b/include/BarcodeFactory.h
index 52c6ff1..df841af 100644
--- a/include/BarcodeFactory.h
+++ b/include/BarcodeFactory.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "DataBarGenerator.h"
 #include "DataMatrixGenerator.h"
 #include "IBarcodeGenerator.h"
 #include "ItfGenerator.h"
diff --git a/include/DataBarGenerator.h b/include/DataBarGenerator.h
new file mode 100644
index 0000000..3d92229
--- /dev/null
+++ b/include/DataBarGenerator.h
@@ -0,0 +1,21 @@
+#pragma once
+#include "IBarcodeGenerator.h"
+#include <ZXing/Barcode.h>
+#include <ZXing/BarcodeFormat.h>
+#include <ZXing/BitMatrix.h>
+#include <ZXing/BitMatrixIO.h>
+#include <ZXing/CharacterSet.h>
+#include <ZXing/Matrix.h>
+#include <ZXing/MultiFormatWriter.h>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <utility>
+
+class DataBarGenerator : public virtual IBarcodeGenerator {
+private:
+  ZXing::MultiFormatWriter writer{ZXing::BarcodeFormat::DataBar};
+
+public:
+  std::string generate(const std::string &text, int margin, int size);
+};
\ No newline at end of file
diff --git a/src/BarcodeFactory.cpp b/src/BarcodeFactory.cpp
index 674c1cb..1468d7d 100644
--- a/src/BarcodeFactory.cpp
+++ b/src/BarcodeFactory.cpp
@@ -1,4 +1,5 @@
 #include "../include/BarcodeFactory.h"
+#include <memory>
 
 std::unique_ptr<IBarcodeGenerator>
 BarcodeFactory::create(const std::string type) {
@@ -10,6 +11,8 @@ BarcodeFactory::create(const std::string type) {
     return std::make_unique<UpcAGenerator>();
   } else if (type == "ITF") {
     return std::make_unique<ItfGenerator>();
+  } else if (type == "DataBar") {
+    return std::make_unique<DataBarGenerator>();
   }
 
   return std::make_unique<QrGenerator>();
diff --git a/src/DataBarGenerator.cpp b/src/DataBarGenerator.cpp
new file mode 100644
index 0000000..7634b4c
--- /dev/null
+++ b/src/DataBarGenerator.cpp
@@ -0,0 +1,10 @@
+#include "../include/DataBarGenerator.h"
+
+std::string DataBarGenerator::generate(const std::string &text, int margin,
+                                       int size) {
+  writer.setMargin(margin);
+  writer.setEncoding(ZXing::CharacterSet::UTF8);
+  ZXing::BitMatrix matrix = writer.encode(text, size, size);
+
+  return ZXing::ToSVG(matrix);
+}
\ No newline at end of file