Use smart pointers for class owned pointers in xfa/fxbarcode

xfa/fxbarcode/pdf417/BC_PDF417.h

Index: xfa/fxbarcode/pdf417/BC_PDF417.h
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417.h b/xfa/fxbarcode/pdf417/BC_PDF417.h
index f2fb5cb89e7feafda9fc2a2381523a58c8316edd..eeffc1e6eec94cfc08634b6234307250fe2fe21a 100644
--- a/xfa/fxbarcode/pdf417/BC_PDF417.h
+++ b/xfa/fxbarcode/pdf417/BC_PDF417.h
@@ -7,6 +7,8 @@
 #ifndef XFA_FXBARCODE_PDF417_BC_PDF417_H_
 #define XFA_FXBARCODE_PDF417_BC_PDF417_H_
 
+#include <memory>
+
 #include "core/fxcrt/include/fx_basic.h"
 #include "xfa/fxbarcode/pdf417/BC_PDF417Compaction.h"
 
@@ -16,7 +18,7 @@ class CBC_BarcodeMatrix;
 class CBC_PDF417 {
  public:
   CBC_PDF417();
-  CBC_PDF417(FX_BOOL compact);
+  explicit CBC_PDF417(FX_BOOL compact);
   virtual ~CBC_PDF417();
 
   CBC_BarcodeMatrix* getBarcodeMatrix();
@@ -34,18 +36,10 @@ class CBC_PDF417 {
   static const int32_t START_PATTERN = 0x1fea8;
   static const int32_t STOP_PATTERN = 0x3fa29;
   static const int32_t CODEWORD_TABLE[][929];
-  static FX_FLOAT PREFERRED_RATIO;
-  static FX_FLOAT DEFAULT_MODULE_WIDTH;
-  static FX_FLOAT HEIGHT;
-  CBC_BarcodeMatrix* m_barcodeMatrix;
-  FX_BOOL m_compact;
-  Compaction m_compaction;
-  int32_t m_minCols;
-  int32_t m_maxCols;
-  int32_t m_maxRows;
-  int32_t m_minRows;
+  static constexpr FX_FLOAT PREFERRED_RATIO = 3.0f;
+  static constexpr FX_FLOAT DEFAULT_MODULE_WIDTH = 0.357f;
+  static constexpr FX_FLOAT HEIGHT = 2.0f;
 
- private:
   static int32_t calculateNumberOfRows(int32_t m, int32_t k, int32_t c);
   static int32_t getNumberOfPadCodewords(int32_t m,
                                          int32_t k,
@@ -60,6 +54,14 @@ class CBC_PDF417 {
   CFX_Int32Array* determineDimensions(int32_t sourceCodeWords,
                                       int32_t errorCorrectionCodeWords,
                                       int32_t& e);
+
+  std::unique_ptr<CBC_BarcodeMatrix> m_barcodeMatrix;
+  FX_BOOL m_compact;
+  Compaction m_compaction;
+  int32_t m_minCols;
+  int32_t m_maxCols;
+  int32_t m_maxRows;
+  int32_t m_minRows;
 };
 
 #endif  // XFA_FXBARCODE_PDF417_BC_PDF417_H_