1 files changed, 56 insertions, 0 deletions
diff --git a/xfa/fxgraphics/cxfa_geshading.h b/xfa/fxgraphics/cxfa_geshading.h
new file mode 100644
index 0000000000..fc7a13e619
--- /dev/null
+++ b/xfa/fxgraphics/cxfa_geshading.h
@@ -0,0 +1,56 @@
+// 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 XFA_FXGRAPHICS_CXFA_GESHADING_H_
+#define XFA_FXGRAPHICS_CXFA_GESHADING_H_
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/fx_dib.h"
+
+#define FX_SHADING_Steps 256
+
+enum CXFA_GEShading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial };
+
+class CXFA_GEShading {
+ public:
+  // Axial shading.
+  CXFA_GEShading(const CFX_PointF& beginPoint,
+                 const CFX_PointF& endPoint,
+                 bool isExtendedBegin,
+                 bool isExtendedEnd,
+                 const FX_ARGB beginArgb,
+                 const FX_ARGB endArgb);
+
+  // Radial shading.
+  CXFA_GEShading(const CFX_PointF& beginPoint,
+                 const CFX_PointF& endPoint,
+                 const float beginRadius,
+                 const float endRadius,
+                 bool isExtendedBegin,
+                 bool isExtendedEnd,
+                 const FX_ARGB beginArgb,
+                 const FX_ARGB endArgb);
+  virtual ~CXFA_GEShading();
+
+ private:
+  friend class CXFA_Graphics;
+
+  void InitArgbArray();
+
+  const CXFA_GEShading_Type m_type;
+  const CFX_PointF m_beginPoint;
+  const CFX_PointF m_endPoint;
+  const float m_beginRadius;
+  const float m_endRadius;
+  const bool m_isExtendedBegin;
+  const bool m_isExtendedEnd;
+  const FX_ARGB m_beginArgb;
+  const FX_ARGB m_endArgb;
+  FX_ARGB m_argbArray[FX_SHADING_Steps];
+};
+
+#endif  // XFA_FXGRAPHICS_CXFA_GESHADING_H_