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      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 CORE_FXGE_CFX_PATHDATA_H_
      8 #define CORE_FXGE_CFX_PATHDATA_H_
      9 
     10 #include <vector>
     11 
     12 #include "core/fxcrt/fx_coordinates.h"
     13 #include "core/fxcrt/fx_system.h"
     14 #include "core/fxge/cfx_renderdevice.h"
     15 
     16 class FX_PATHPOINT {
     17  public:
     18   FX_PATHPOINT();
     19   FX_PATHPOINT(const CFX_PointF& point, FXPT_TYPE type, bool close);
     20   FX_PATHPOINT(const FX_PATHPOINT& other);
     21   ~FX_PATHPOINT();
     22 
     23   bool IsTypeAndOpen(FXPT_TYPE type) const {
     24     return m_Type == type && !m_CloseFigure;
     25   }
     26 
     27   CFX_PointF m_Point;
     28   FXPT_TYPE m_Type;
     29   bool m_CloseFigure;
     30 };
     31 
     32 class CFX_PathData : public Retainable {
     33  public:
     34   CFX_PathData();
     35   CFX_PathData(const CFX_PathData& src);
     36   ~CFX_PathData() override;
     37 
     38   void Clear();
     39 
     40   FXPT_TYPE GetType(int index) const { return m_Points[index].m_Type; }
     41   bool IsClosingFigure(int index) const {
     42     return m_Points[index].m_CloseFigure;
     43   }
     44 
     45   CFX_PointF GetPoint(int index) const { return m_Points[index].m_Point; }
     46   const std::vector<FX_PATHPOINT>& GetPoints() const { return m_Points; }
     47   std::vector<FX_PATHPOINT>& GetPoints() { return m_Points; }
     48 
     49   CFX_FloatRect GetBoundingBox() const;
     50   CFX_FloatRect GetBoundingBox(float line_width, float miter_limit) const;
     51 
     52   void Transform(const CFX_Matrix* pMatrix);
     53   bool IsRect() const;
     54   bool GetZeroAreaPath(const CFX_Matrix* pMatrix,
     55                        bool bAdjust,
     56                        CFX_PathData* NewPath,
     57                        bool* bThin,
     58                        bool* setIdentity) const;
     59   bool IsRect(const CFX_Matrix* pMatrix, CFX_FloatRect* rect) const;
     60 
     61   void Append(const CFX_PathData* pSrc, const CFX_Matrix* pMatrix);
     62   void AppendRect(float left, float bottom, float right, float top);
     63   void AppendLine(const CFX_PointF& pt1, const CFX_PointF& pt2);
     64   void AppendPoint(const CFX_PointF& pos, FXPT_TYPE type, bool closeFigure);
     65   void ClosePath();
     66 
     67  private:
     68   std::vector<FX_PATHPOINT> m_Points;
     69 };
     70 
     71 #endif  // CORE_FXGE_CFX_PATHDATA_H_
     72