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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "core/fpdfapi/fpdf_page/include/cpdf_clippath.h" | 7 #include "core/fpdfapi/fpdf_page/include/cpdf_clippath.h" |
8 | 8 |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
| 11 #include "core/fpdfapi/fpdf_page/include/cpdf_path.h" |
11 #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h" | 12 #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h" |
12 #include "third_party/base/stl_util.h" | 13 #include "third_party/base/stl_util.h" |
13 | 14 |
14 #define FPDF_CLIPPATH_MAX_TEXTS 1024 | 15 #define FPDF_CLIPPATH_MAX_TEXTS 1024 |
15 | 16 |
| 17 CPDF_ClipPath::CPDF_ClipPath() {} |
| 18 |
| 19 CPDF_ClipPath::CPDF_ClipPath(const CPDF_ClipPath& that) : m_Ref(that.m_Ref) {} |
| 20 |
| 21 CPDF_ClipPath::~CPDF_ClipPath() {} |
| 22 |
16 uint32_t CPDF_ClipPath::GetPathCount() const { | 23 uint32_t CPDF_ClipPath::GetPathCount() const { |
17 return pdfium::CollectionSize<uint32_t>(GetObject()->m_PathAndTypeList); | 24 return pdfium::CollectionSize<uint32_t>(m_Ref.GetObject()->m_PathAndTypeList); |
18 } | 25 } |
19 | 26 |
20 CPDF_Path CPDF_ClipPath::GetPath(size_t i) const { | 27 CPDF_Path CPDF_ClipPath::GetPath(size_t i) const { |
21 return GetObject()->m_PathAndTypeList[i].first; | 28 return m_Ref.GetObject()->m_PathAndTypeList[i].first; |
22 } | 29 } |
23 | 30 |
24 uint8_t CPDF_ClipPath::GetClipType(size_t i) const { | 31 uint8_t CPDF_ClipPath::GetClipType(size_t i) const { |
25 return GetObject()->m_PathAndTypeList[i].second; | 32 return m_Ref.GetObject()->m_PathAndTypeList[i].second; |
26 } | 33 } |
27 | 34 |
28 uint32_t CPDF_ClipPath::GetTextCount() const { | 35 uint32_t CPDF_ClipPath::GetTextCount() const { |
29 return pdfium::CollectionSize<uint32_t>(GetObject()->m_TextList); | 36 return pdfium::CollectionSize<uint32_t>(m_Ref.GetObject()->m_TextList); |
30 } | 37 } |
31 | 38 |
32 CPDF_TextObject* CPDF_ClipPath::GetText(size_t i) const { | 39 CPDF_TextObject* CPDF_ClipPath::GetText(size_t i) const { |
33 return GetObject()->m_TextList[i].get(); | 40 return m_Ref.GetObject()->m_TextList[i].get(); |
34 } | 41 } |
35 | 42 |
36 CFX_FloatRect CPDF_ClipPath::GetClipBox() const { | 43 CFX_FloatRect CPDF_ClipPath::GetClipBox() const { |
37 CFX_FloatRect rect; | 44 CFX_FloatRect rect; |
38 FX_BOOL bStarted = FALSE; | 45 FX_BOOL bStarted = FALSE; |
39 int count = GetPathCount(); | 46 int count = GetPathCount(); |
40 if (count) { | 47 if (count) { |
41 rect = GetPath(0).GetBoundingBox(); | 48 rect = GetPath(0).GetBoundingBox(); |
42 for (int i = 1; i < count; i++) { | 49 for (int i = 1; i < count; i++) { |
43 CFX_FloatRect path_rect = GetPath(i).GetBoundingBox(); | 50 CFX_FloatRect path_rect = GetPath(i).GetBoundingBox(); |
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66 } else { | 73 } else { |
67 layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox(nullptr))); | 74 layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox(nullptr))); |
68 } | 75 } |
69 } | 76 } |
70 } | 77 } |
71 } | 78 } |
72 return rect; | 79 return rect; |
73 } | 80 } |
74 | 81 |
75 void CPDF_ClipPath::AppendPath(CPDF_Path path, uint8_t type, bool bAutoMerge) { | 82 void CPDF_ClipPath::AppendPath(CPDF_Path path, uint8_t type, bool bAutoMerge) { |
76 CPDF_ClipPathData* pData = GetPrivateCopy(); | 83 PathData* pData = m_Ref.GetPrivateCopy(); |
77 if (!pData->m_PathAndTypeList.empty() && bAutoMerge) { | 84 if (!pData->m_PathAndTypeList.empty() && bAutoMerge) { |
78 const CPDF_Path& old_path = pData->m_PathAndTypeList.back().first; | 85 const CPDF_Path& old_path = pData->m_PathAndTypeList.back().first; |
79 if (old_path.IsRect()) { | 86 if (old_path.IsRect()) { |
80 CFX_FloatRect old_rect(old_path.GetPointX(0), old_path.GetPointY(0), | 87 CFX_FloatRect old_rect(old_path.GetPointX(0), old_path.GetPointY(0), |
81 old_path.GetPointX(2), old_path.GetPointY(2)); | 88 old_path.GetPointX(2), old_path.GetPointY(2)); |
82 CFX_FloatRect new_rect = path.GetBoundingBox(); | 89 CFX_FloatRect new_rect = path.GetBoundingBox(); |
83 if (old_rect.Contains(new_rect)) | 90 if (old_rect.Contains(new_rect)) |
84 pData->m_PathAndTypeList.pop_back(); | 91 pData->m_PathAndTypeList.pop_back(); |
85 } | 92 } |
86 } | 93 } |
87 pData->m_PathAndTypeList.push_back(std::make_pair(path, type)); | 94 pData->m_PathAndTypeList.push_back(std::make_pair(path, type)); |
88 } | 95 } |
89 | 96 |
90 void CPDF_ClipPath::AppendTexts( | 97 void CPDF_ClipPath::AppendTexts( |
91 std::vector<std::unique_ptr<CPDF_TextObject>>* pTexts) { | 98 std::vector<std::unique_ptr<CPDF_TextObject>>* pTexts) { |
92 CPDF_ClipPathData* pData = GetPrivateCopy(); | 99 PathData* pData = m_Ref.GetPrivateCopy(); |
93 if (pData->m_TextList.size() + pTexts->size() <= FPDF_CLIPPATH_MAX_TEXTS) { | 100 if (pData->m_TextList.size() + pTexts->size() <= FPDF_CLIPPATH_MAX_TEXTS) { |
94 for (size_t i = 0; i < pTexts->size(); i++) | 101 for (size_t i = 0; i < pTexts->size(); i++) |
95 pData->m_TextList.push_back(std::move((*pTexts)[i])); | 102 pData->m_TextList.push_back(std::move((*pTexts)[i])); |
96 pData->m_TextList.push_back(std::unique_ptr<CPDF_TextObject>()); | 103 pData->m_TextList.push_back(std::unique_ptr<CPDF_TextObject>()); |
97 } | 104 } |
98 pTexts->clear(); | 105 pTexts->clear(); |
99 } | 106 } |
100 | 107 |
101 void CPDF_ClipPath::Transform(const CFX_Matrix& matrix) { | 108 void CPDF_ClipPath::Transform(const CFX_Matrix& matrix) { |
102 CPDF_ClipPathData* pData = GetPrivateCopy(); | 109 PathData* pData = m_Ref.GetPrivateCopy(); |
103 for (auto& obj : pData->m_PathAndTypeList) | 110 for (auto& obj : pData->m_PathAndTypeList) |
104 obj.first.Transform(&matrix); | 111 obj.first.Transform(&matrix); |
105 for (auto& text : pData->m_TextList) { | 112 for (auto& text : pData->m_TextList) { |
106 if (text) | 113 if (text) |
107 text->Transform(matrix); | 114 text->Transform(matrix); |
108 } | 115 } |
109 } | 116 } |
| 117 |
| 118 CPDF_ClipPath::PathData::PathData() {} |
| 119 |
| 120 CPDF_ClipPath::PathData::PathData(const PathData& that) { |
| 121 m_PathAndTypeList = that.m_PathAndTypeList; |
| 122 |
| 123 m_TextList.resize(that.m_TextList.size()); |
| 124 for (size_t i = 0; i < that.m_TextList.size(); ++i) { |
| 125 if (that.m_TextList[i]) |
| 126 m_TextList[i].reset(that.m_TextList[i]->Clone()); |
| 127 } |
| 128 } |
| 129 |
| 130 CPDF_ClipPath::PathData::~PathData() {} |
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