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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 XFA_FXGRAPHICS_CFX_SHADING_H_
#define XFA_FXGRAPHICS_CFX_SHADING_H_
#include "core/fxcrt/include/fx_coordinates.h"
#include "core/fxcrt/include/fx_system.h"
#include "core/include/fxge/fx_dib.h"
#define FX_SHADING_Steps 256
enum CFX_Shading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial };
class CFX_Shading {
public:
// Axial shading.
CFX_Shading(const CFX_PointF& beginPoint,
const CFX_PointF& endPoint,
FX_BOOL isExtendedBegin,
FX_BOOL isExtendedEnd,
const FX_ARGB beginArgb,
const FX_ARGB endArgb);
// Radial shading.
CFX_Shading(const CFX_PointF& beginPoint,
const CFX_PointF& endPoint,
const FX_FLOAT beginRadius,
const FX_FLOAT endRadius,
FX_BOOL isExtendedBegin,
FX_BOOL isExtendedEnd,
const FX_ARGB beginArgb,
const FX_ARGB endArgb);
virtual ~CFX_Shading();
private:
friend class CFX_Graphics;
void InitArgbArray();
const CFX_Shading_Type m_type;
const CFX_PointF m_beginPoint;
const CFX_PointF m_endPoint;
const FX_FLOAT m_beginRadius;
const FX_FLOAT m_endRadius;
const FX_BOOL m_isExtendedBegin;
const FX_BOOL m_isExtendedEnd;
const FX_ARGB m_beginArgb;
const FX_ARGB m_endArgb;
FX_ARGB m_argbArray[FX_SHADING_Steps];
};
#endif // XFA_FXGRAPHICS_CFX_SHADING_H_
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