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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_CXFA_SHADING_H_
#define XFA_FXGRAPHICS_CXFA_SHADING_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_Shading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial };
class CXFA_Shading {
public:
// Axial shading.
CXFA_Shading(const CFX_PointF& beginPoint,
const CFX_PointF& endPoint,
bool isExtendedBegin,
bool isExtendedEnd,
const FX_ARGB beginArgb,
const FX_ARGB endArgb);
// Radial shading.
CXFA_Shading(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_Shading();
private:
friend class CXFA_Graphics;
void InitArgbArray();
const CXFA_Shading_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_SHADING_H_
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