| // 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_FGAS_GRAPHICS_CFGAS_GESHADING_H_ |
| #define XFA_FGAS_GRAPHICS_CFGAS_GESHADING_H_ |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "core/fxge/dib/fx_dib.h" |
| |
| class CFGAS_GEShading final { |
| public: |
| enum class Type { kAxial = 1, kRadial }; |
| |
| static constexpr size_t kSteps = 256; |
| |
| // Axial shading. |
| CFGAS_GEShading(const CFX_PointF& beginPoint, |
| const CFX_PointF& endPoint, |
| bool isExtendedBegin, |
| bool isExtendedEnd, |
| FX_ARGB beginArgb, |
| FX_ARGB endArgb); |
| |
| // Radial shading. |
| CFGAS_GEShading(const CFX_PointF& beginPoint, |
| const CFX_PointF& endPoint, |
| float beginRadius, |
| float endRadius, |
| bool isExtendedBegin, |
| bool isExtendedEnd, |
| FX_ARGB beginArgb, |
| FX_ARGB endArgb); |
| |
| ~CFGAS_GEShading(); |
| |
| Type GetType() const { return m_type; } |
| CFX_PointF GetBeginPoint() const { return m_beginPoint; } |
| CFX_PointF GetEndPoint() const { return m_endPoint; } |
| float GetBeginRadius() const { return m_beginRadius; } |
| float GetEndRadius() const { return m_endRadius; } |
| bool IsExtendedBegin() const { return m_isExtendedBegin; } |
| bool IsExtendedEnd() const { return m_isExtendedEnd; } |
| FX_ARGB GetArgb(size_t index) const { return m_argbArray[index]; } |
| |
| private: |
| void InitArgbArray(FX_ARGB beginArgb, FX_ARGB endArgb); |
| |
| const 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; |
| FX_ARGB m_argbArray[kSteps]; |
| }; |
| |
| #endif // XFA_FGAS_GRAPHICS_CFGAS_GESHADING_H_ |