Home | History | Annotate | Download | only in page
      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_FPDFAPI_PAGE_CPDF_CLIPPATH_H_
      8 #define CORE_FPDFAPI_PAGE_CPDF_CLIPPATH_H_
      9 
     10 #include <memory>
     11 #include <utility>
     12 #include <vector>
     13 
     14 #include "core/fpdfapi/page/cpdf_path.h"
     15 #include "core/fxcrt/cfx_shared_copy_on_write.h"
     16 #include "core/fxcrt/fx_basic.h"
     17 #include "core/fxcrt/fx_coordinates.h"
     18 
     19 class CPDF_Path;
     20 class CPDF_TextObject;
     21 
     22 class CPDF_ClipPath {
     23  public:
     24   CPDF_ClipPath();
     25   CPDF_ClipPath(const CPDF_ClipPath& that);
     26   ~CPDF_ClipPath();
     27 
     28   void Emplace() { m_Ref.Emplace(); }
     29   void SetNull() { m_Ref.SetNull(); }
     30 
     31   explicit operator bool() const { return !!m_Ref; }
     32   bool operator==(const CPDF_ClipPath& that) const {
     33     return m_Ref == that.m_Ref;
     34   }
     35   bool operator!=(const CPDF_ClipPath& that) const { return !(*this == that); }
     36 
     37   uint32_t GetPathCount() const;
     38   CPDF_Path GetPath(size_t i) const;
     39   uint8_t GetClipType(size_t i) const;
     40   uint32_t GetTextCount() const;
     41   CPDF_TextObject* GetText(size_t i) const;
     42   CFX_FloatRect GetClipBox() const;
     43   void AppendPath(CPDF_Path path, uint8_t type, bool bAutoMerge);
     44   void AppendTexts(std::vector<std::unique_ptr<CPDF_TextObject>>* pTexts);
     45   void Transform(const CFX_Matrix& matrix);
     46 
     47  private:
     48   class PathData {
     49    public:
     50     using PathAndTypeData = std::pair<CPDF_Path, uint8_t>;
     51 
     52     PathData();
     53     PathData(const PathData& that);
     54     ~PathData();
     55 
     56     std::vector<PathAndTypeData> m_PathAndTypeList;
     57     std::vector<std::unique_ptr<CPDF_TextObject>> m_TextList;
     58   };
     59 
     60   CFX_SharedCopyOnWrite<PathData> m_Ref;
     61 };
     62 
     63 #endif  // CORE_FPDFAPI_PAGE_CPDF_CLIPPATH_H_
     64