Refactor fx_ge part 2

core/fxge/include/cfx_pathdata.h

+// 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_INCLUDE_CFX_PATHDATA_H_
+#define CORE_FXGE_INCLUDE_CFX_PATHDATA_H_
+
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "core/fxcrt/include/fx_system.h"
+
+struct FX_PATHPOINT {
+  FX_FLOAT m_PointX;
+  FX_FLOAT m_PointY;
+  int m_Flag;
+};
+
+class CFX_PathData {
+ public:
+  CFX_PathData();
+  CFX_PathData(const CFX_PathData& src);
+  ~CFX_PathData();
+
+  int GetPointCount() const { return m_PointCount; }
+  int GetFlag(int index) const { return m_pPoints[index].m_Flag; }
+  FX_FLOAT GetPointX(int index) const { return m_pPoints[index].m_PointX; }
+  FX_FLOAT GetPointY(int index) const { return m_pPoints[index].m_PointY; }
+  FX_PATHPOINT* GetPoints() const { return m_pPoints; }
+
+  void SetPointCount(int nPoints);
+  void AllocPointCount(int nPoints);
+  void AddPointCount(int addPoints);
+  CFX_FloatRect GetBoundingBox() const;
+  CFX_FloatRect GetBoundingBox(FX_FLOAT line_width, FX_FLOAT miter_limit) const;
+  void Transform(const CFX_Matrix* pMatrix);
+  FX_BOOL IsRect() const;
+  FX_BOOL GetZeroAreaPath(CFX_PathData& NewPath,
+                          CFX_Matrix* pMatrix,
+                          FX_BOOL& bThin,
+                          FX_BOOL bAdjust) const;
+  FX_BOOL IsRect(const CFX_Matrix* pMatrix, CFX_FloatRect* rect) const;
+  void Append(const CFX_PathData* pSrc, const CFX_Matrix* pMatrix);
+  void AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top);
+  void SetPoint(int index, FX_FLOAT x, FX_FLOAT y, int flag);
+  void TrimPoints(int nPoints);
+  void Copy(const CFX_PathData& src);
+
+ private:
+  friend class CPDF_Path;
+
+  int m_PointCount;
+  FX_PATHPOINT* m_pPoints;
+  int m_AllocCount;
+};
+
+#endif  // CORE_FXGE_INCLUDE_CFX_PATHDATA_H_