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diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingobject.h b/core/fpdfapi/fpdf_page/cpdf_shadingobject.h
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+// Copyright 2016 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 CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_pageobject.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+
+class CPDF_ShadingPattern;
+
+class CPDF_ShadingObject : public CPDF_PageObject {
+ public:
+ CPDF_ShadingObject();
+ ~CPDF_ShadingObject() override;
+
+ // CPDF_PageObject
+ CPDF_ShadingObject* Clone() const override;
+ Type GetType() const override;
+ void Transform(const CFX_Matrix& matrix) override;
+ bool IsShading() const override;
+ CPDF_ShadingObject* AsShading() override;
+ const CPDF_ShadingObject* AsShading() const override;
+
+ void CalcBoundingBox();
+
+ CPDF_ShadingPattern* m_pShading;
+ CFX_Matrix m_Matrix;
+};
+
+#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGOBJECT_H_