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_CXFA_GESHADING_H_ 8 #define XFA_FXGRAPHICS_CXFA_GESHADING_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 CXFA_GEShading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial }; 17 18 class CXFA_GEShading final { 19 public: 20 // Axial shading. 21 CXFA_GEShading(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 CXFA_GEShading(const CFX_PointF& beginPoint, 30 const CFX_PointF& endPoint, 31 const float beginRadius, 32 const float endRadius, 33 bool isExtendedBegin, 34 bool isExtendedEnd, 35 const FX_ARGB beginArgb, 36 const FX_ARGB endArgb); 37 38 ~CXFA_GEShading(); 39 40 private: 41 friend class CXFA_Graphics; 42 43 void InitArgbArray(); 44 45 const CXFA_GEShading_Type m_type; 46 const CFX_PointF m_beginPoint; 47 const CFX_PointF m_endPoint; 48 const float m_beginRadius; 49 const float m_endRadius; 50 const bool m_isExtendedBegin; 51 const bool m_isExtendedEnd; 52 const FX_ARGB m_beginArgb; 53 const FX_ARGB m_endArgb; 54 FX_ARGB m_argbArray[FX_SHADING_Steps]; 55 }; 56 57 #endif // XFA_FXGRAPHICS_CXFA_GESHADING_H_ 58