| // 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 CORE_FXGE_CFX_PATHDATA_H_ |
| #define CORE_FXGE_CFX_PATHDATA_H_ |
| |
| #include <vector> |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "third_party/base/optional.h" |
| |
| enum class FXPT_TYPE : uint8_t { LineTo, BezierTo, MoveTo }; |
| |
| class FX_PATHPOINT { |
| public: |
| FX_PATHPOINT(); |
| FX_PATHPOINT(const CFX_PointF& point, FXPT_TYPE type, bool close); |
| FX_PATHPOINT(const FX_PATHPOINT& other); |
| ~FX_PATHPOINT(); |
| |
| bool IsTypeAndOpen(FXPT_TYPE type) const { |
| return m_Type == type && !m_CloseFigure; |
| } |
| |
| CFX_PointF m_Point; |
| FXPT_TYPE m_Type; |
| bool m_CloseFigure; |
| }; |
| |
| class CFX_PathData { |
| public: |
| CFX_PathData(); |
| CFX_PathData(const CFX_PathData& src); |
| CFX_PathData(CFX_PathData&& src); |
| ~CFX_PathData(); |
| |
| void Clear(); |
| |
| FXPT_TYPE GetType(int index) const { return m_Points[index].m_Type; } |
| bool IsClosingFigure(int index) const { |
| return m_Points[index].m_CloseFigure; |
| } |
| |
| CFX_PointF GetPoint(int index) const { return m_Points[index].m_Point; } |
| const std::vector<FX_PATHPOINT>& GetPoints() const { return m_Points; } |
| std::vector<FX_PATHPOINT>& GetPoints() { return m_Points; } |
| |
| CFX_FloatRect GetBoundingBox() const; |
| CFX_FloatRect GetBoundingBox(float line_width, float miter_limit) const; |
| |
| void Transform(const CFX_Matrix& matrix); |
| bool IsRect() const; |
| bool GetZeroAreaPath(const CFX_Matrix* pMatrix, |
| bool bAdjust, |
| CFX_PathData* NewPath, |
| bool* bThin, |
| bool* setIdentity) const; |
| Optional<CFX_FloatRect> GetRect(const CFX_Matrix* pMatrix) const; |
| |
| void Append(const CFX_PathData* pSrc, const CFX_Matrix* pMatrix); |
| void AppendFloatRect(const CFX_FloatRect& rect); |
| void AppendRect(float left, float bottom, float right, float top); |
| void AppendLine(const CFX_PointF& pt1, const CFX_PointF& pt2); |
| void AppendPoint(const CFX_PointF& point, FXPT_TYPE type); |
| void AppendPointAndClose(const CFX_PointF& point, FXPT_TYPE type); |
| void ClosePath(); |
| |
| private: |
| std::vector<FX_PATHPOINT> m_Points; |
| }; |
| |
| class CFX_RetainablePathData final : public Retainable, public CFX_PathData { |
| public: |
| template <typename T, typename... Args> |
| friend RetainPtr<T> pdfium::MakeRetain(Args&&... args); |
| |
| RetainPtr<CFX_RetainablePathData> Clone() const; |
| |
| private: |
| CFX_RetainablePathData(); |
| CFX_RetainablePathData(const CFX_RetainablePathData& src); |
| ~CFX_RetainablePathData() override; |
| }; |
| |
| #endif // CORE_FXGE_CFX_PATHDATA_H_ |