1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef XFA_FXGRAPHICS_CFX_SHADING_H_ 8 #define XFA_FXGRAPHICS_CFX_SHADING_H_ 9 10 #include "core/fxcrt/fx_coordinates.h" 11 #include "core/fxcrt/fx_system.h" 12 #include "core/fxge/fx_dib.h" 13 14 #define FX_SHADING_Steps 256 15 16 enum CFX_Shading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial }; 17 18 class CFX_Shading { 19 public: 20 // Axial shading. 21 CFX_Shading(const CFX_PointF& beginPoint, 22 const CFX_PointF& endPoint, 23 bool isExtendedBegin, 24 bool isExtendedEnd, 25 const FX_ARGB beginArgb, 26 const FX_ARGB endArgb); 27 28 // Radial shading. 29 CFX_Shading(const CFX_PointF& beginPoint, 30 const CFX_PointF& endPoint, 31 const FX_FLOAT beginRadius, 32 const FX_FLOAT endRadius, 33 bool isExtendedBegin, 34 bool isExtendedEnd, 35 const FX_ARGB beginArgb, 36 const FX_ARGB endArgb); 37 virtual ~CFX_Shading(); 38 39 private: 40 friend class CFX_Graphics; 41 42 void InitArgbArray(); 43 44 const CFX_Shading_Type m_type; 45 const CFX_PointF m_beginPoint; 46 const CFX_PointF m_endPoint; 47 const FX_FLOAT m_beginRadius; 48 const FX_FLOAT m_endRadius; 49 const bool m_isExtendedBegin; 50 const bool m_isExtendedEnd; 51 const FX_ARGB m_beginArgb; 52 const FX_ARGB m_endArgb; 53 FX_ARGB m_argbArray[FX_SHADING_Steps]; 54 }; 55 56 #endif // XFA_FXGRAPHICS_CFX_SHADING_H_ 57
