| // 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_GESHADING_H_ |
| #define XFA_FXGRAPHICS_CXFA_GESHADING_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_GEShading_Type { FX_SHADING_Axial = 1, FX_SHADING_Radial }; |
| |
| class CXFA_GEShading final { |
| public: |
| // Axial shading. |
| CXFA_GEShading(const CFX_PointF& beginPoint, |
| const CFX_PointF& endPoint, |
| bool isExtendedBegin, |
| bool isExtendedEnd, |
| const FX_ARGB beginArgb, |
| const FX_ARGB endArgb); |
| |
| // Radial shading. |
| CXFA_GEShading(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); |
| |
| ~CXFA_GEShading(); |
| |
| private: |
| friend class CXFA_Graphics; |
| |
| void InitArgbArray(); |
| |
| const CXFA_GEShading_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_GESHADING_H_ |