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diff --git a/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h b/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h
new file mode 100644
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+++ b/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h
@@ -0,0 +1,65 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
+#define XFA_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+class CBC_CommonPerspectiveTransform {
+ public:
+  CBC_CommonPerspectiveTransform(FX_FLOAT a11,
+                                 FX_FLOAT a21,
+                                 FX_FLOAT a31,
+                                 FX_FLOAT a12,
+                                 FX_FLOAT a22,
+                                 FX_FLOAT a32,
+                                 FX_FLOAT a13,
+                                 FX_FLOAT a23,
+                                 FX_FLOAT a33);
+  virtual ~CBC_CommonPerspectiveTransform();
+  static CBC_CommonPerspectiveTransform* QuadrilateralToQuadrilateral(
+      FX_FLOAT x0,
+      FX_FLOAT y0,
+      FX_FLOAT x1,
+      FX_FLOAT y1,
+      FX_FLOAT x2,
+      FX_FLOAT y2,
+      FX_FLOAT x3,
+      FX_FLOAT y3,
+      FX_FLOAT x0p,
+      FX_FLOAT y0p,
+      FX_FLOAT x1p,
+      FX_FLOAT y1p,
+      FX_FLOAT x2p,
+      FX_FLOAT y2p,
+      FX_FLOAT x3p,
+      FX_FLOAT y3p);
+  static CBC_CommonPerspectiveTransform* SquareToQuadrilateral(FX_FLOAT x0,
+                                                               FX_FLOAT y0,
+                                                               FX_FLOAT x1,
+                                                               FX_FLOAT y1,
+                                                               FX_FLOAT x2,
+                                                               FX_FLOAT y2,
+                                                               FX_FLOAT x3,
+                                                               FX_FLOAT y3);
+  static CBC_CommonPerspectiveTransform* QuadrilateralToSquare(FX_FLOAT x0,
+                                                               FX_FLOAT y0,
+                                                               FX_FLOAT x1,
+                                                               FX_FLOAT y1,
+                                                               FX_FLOAT x2,
+                                                               FX_FLOAT y2,
+                                                               FX_FLOAT x3,
+                                                               FX_FLOAT y3);
+  CBC_CommonPerspectiveTransform* BuildAdjoint();
+  CBC_CommonPerspectiveTransform* Times(CBC_CommonPerspectiveTransform& other);
+  void TransformPoints(CFX_FloatArray* points);
+
+ private:
+  FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33;
+};
+
+#endif  // XFA_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_