// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FXGRAPHICS_CFX_SHADING_H_
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#define XFA_FXGRAPHICS_CFX_SHADING_H_
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#include "core/fxcrt/include/fx_coordinates.h"
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#include "core/fxcrt/include/fx_system.h"
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#include "core/fxge/include/fx_dib.h"
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#define FX_SHADING_Steps 256
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enum CFX_Shading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial };
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class CFX_Shading {
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public:
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// Axial shading.
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CFX_Shading(const CFX_PointF& beginPoint,
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const CFX_PointF& endPoint,
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FX_BOOL isExtendedBegin,
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FX_BOOL isExtendedEnd,
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const FX_ARGB beginArgb,
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const FX_ARGB endArgb);
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// Radial shading.
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CFX_Shading(const CFX_PointF& beginPoint,
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const CFX_PointF& endPoint,
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const FX_FLOAT beginRadius,
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const FX_FLOAT endRadius,
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FX_BOOL isExtendedBegin,
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FX_BOOL isExtendedEnd,
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const FX_ARGB beginArgb,
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const FX_ARGB endArgb);
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virtual ~CFX_Shading();
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private:
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friend class CFX_Graphics;
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void InitArgbArray();
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const CFX_Shading_Type m_type;
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const CFX_PointF m_beginPoint;
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const CFX_PointF m_endPoint;
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const FX_FLOAT m_beginRadius;
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const FX_FLOAT m_endRadius;
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const FX_BOOL m_isExtendedBegin;
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const FX_BOOL m_isExtendedEnd;
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const FX_ARGB m_beginArgb;
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const FX_ARGB m_endArgb;
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FX_ARGB m_argbArray[FX_SHADING_Steps];
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};
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#endif // XFA_FXGRAPHICS_CFX_SHADING_H_
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