1 files changed, 39 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h
new file mode 100644
index 0000000000..5c42a1a6a7
--- /dev/null
+++ b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h
@@ -0,0 +1,39 @@
+// 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 _BC_COMMONPERSPECTIVETRANSFORM_H_
+#define _BC_COMMONPERSPECTIVETRANSFORM_H_
+class CBC_CommonPerspectiveTransform;
+class CBC_CommonPerspectiveTransform : public CFX_Object
+{
+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