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 Emplace()28 void Emplace() { m_Ref.Emplace(); } SetNull()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