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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/edit/cpdf_pagecontentgenerator.h" | 7 #include "core/fpdfapi/edit/cpdf_pagecontentgenerator.h" |
8 | 8 |
9 #include "core/fpdfapi/edit/cpdf_creator.h" | 9 #include "core/fpdfapi/edit/cpdf_creator.h" |
10 #include "core/fpdfapi/page/cpdf_docpagedata.h" | 10 #include "core/fpdfapi/page/cpdf_docpagedata.h" |
11 #include "core/fpdfapi/page/cpdf_image.h" | 11 #include "core/fpdfapi/page/cpdf_image.h" |
12 #include "core/fpdfapi/page/cpdf_imageobject.h" | 12 #include "core/fpdfapi/page/cpdf_imageobject.h" |
13 #include "core/fpdfapi/page/cpdf_page.h" | 13 #include "core/fpdfapi/page/cpdf_page.h" |
14 #include "core/fpdfapi/page/cpdf_pageobject.h" | 14 #include "core/fpdfapi/page/cpdf_pageobject.h" |
15 #include "core/fpdfapi/page/pageint.h" | 15 #include "core/fpdfapi/page/pageint.h" |
16 #include "core/fpdfapi/parser/cpdf_array.h" | 16 #include "core/fpdfapi/parser/cpdf_array.h" |
17 #include "core/fpdfapi/parser/cpdf_dictionary.h" | 17 #include "core/fpdfapi/parser/cpdf_dictionary.h" |
18 #include "core/fpdfapi/parser/cpdf_document.h" | 18 #include "core/fpdfapi/parser/cpdf_document.h" |
| 19 #include "core/fpdfapi/parser/cpdf_name.h" |
| 20 #include "core/fpdfapi/parser/cpdf_reference.h" |
19 #include "core/fpdfapi/parser/cpdf_stream.h" | 21 #include "core/fpdfapi/parser/cpdf_stream.h" |
20 #include "core/fpdfapi/parser/cpdf_stream_acc.h" | 22 #include "core/fpdfapi/parser/cpdf_stream_acc.h" |
21 #include "core/fpdfapi/parser/fpdf_parser_decode.h" | 23 #include "core/fpdfapi/parser/fpdf_parser_decode.h" |
22 | 24 |
23 CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { | 25 CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { |
24 ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " | 26 ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " |
25 << matrix.e << " " << matrix.f; | 27 << matrix.e << " " << matrix.f; |
26 return ar; | 28 return ar; |
27 } | 29 } |
28 | 30 |
(...skipping 18 matching lines...) Expand all Loading... |
47 ProcessImage(buf, pImageObject); | 49 ProcessImage(buf, pImageObject); |
48 } | 50 } |
49 CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; | 51 CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; |
50 CPDF_Object* pContent = | 52 CPDF_Object* pContent = |
51 pPageDict ? pPageDict->GetDirectObjectFor("Contents") : nullptr; | 53 pPageDict ? pPageDict->GetDirectObjectFor("Contents") : nullptr; |
52 if (pContent) | 54 if (pContent) |
53 pPageDict->RemoveFor("Contents"); | 55 pPageDict->RemoveFor("Contents"); |
54 | 56 |
55 CPDF_Stream* pStream = m_pDocument->NewIndirect<CPDF_Stream>(); | 57 CPDF_Stream* pStream = m_pDocument->NewIndirect<CPDF_Stream>(); |
56 pStream->SetData(buf.GetBuffer(), buf.GetLength()); | 58 pStream->SetData(buf.GetBuffer(), buf.GetLength()); |
57 pPageDict->SetReferenceFor("Contents", m_pDocument, pStream); | 59 pPageDict->SetNewFor<CPDF_Reference>("Contents", m_pDocument, |
| 60 pStream->GetObjNum()); |
58 } | 61 } |
59 | 62 |
60 CFX_ByteString CPDF_PageContentGenerator::RealizeResource( | 63 CFX_ByteString CPDF_PageContentGenerator::RealizeResource( |
61 uint32_t dwResourceObjNum, | 64 uint32_t dwResourceObjNum, |
62 const CFX_ByteString& bsType) { | 65 const CFX_ByteString& bsType) { |
63 ASSERT(dwResourceObjNum); | 66 ASSERT(dwResourceObjNum); |
64 if (!m_pPage->m_pResources) { | 67 if (!m_pPage->m_pResources) { |
65 m_pPage->m_pResources = m_pDocument->NewIndirect<CPDF_Dictionary>(); | 68 m_pPage->m_pResources = m_pDocument->NewIndirect<CPDF_Dictionary>(); |
66 m_pPage->m_pFormDict->SetReferenceFor("Resources", m_pDocument, | 69 m_pPage->m_pFormDict->SetNewFor<CPDF_Reference>( |
67 m_pPage->m_pResources); | 70 "Resources", m_pDocument, m_pPage->m_pResources->GetObjNum()); |
68 } | 71 } |
69 CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictFor(bsType); | 72 CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictFor(bsType); |
70 if (!pResList) { | 73 if (!pResList) |
71 pResList = new CPDF_Dictionary(m_pDocument->GetByteStringPool()); | 74 pResList = m_pPage->m_pResources->SetNewFor<CPDF_Dictionary>(bsType); |
72 m_pPage->m_pResources->SetFor(bsType, pResList); | 75 |
73 } | |
74 CFX_ByteString name; | 76 CFX_ByteString name; |
75 int idnum = 1; | 77 int idnum = 1; |
76 while (1) { | 78 while (1) { |
77 name.Format("FX%c%d", bsType[0], idnum); | 79 name.Format("FX%c%d", bsType[0], idnum); |
78 if (!pResList->KeyExist(name)) { | 80 if (!pResList->KeyExist(name)) { |
79 break; | 81 break; |
80 } | 82 } |
81 idnum++; | 83 idnum++; |
82 } | 84 } |
83 pResList->SetReferenceFor(name, m_pDocument, dwResourceObjNum); | 85 pResList->SetNewFor<CPDF_Reference>(name, m_pDocument, dwResourceObjNum); |
84 return name; | 86 return name; |
85 } | 87 } |
86 | 88 |
87 void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf& buf, | 89 void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf& buf, |
88 CPDF_ImageObject* pImageObj) { | 90 CPDF_ImageObject* pImageObj) { |
89 if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) || | 91 if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) || |
90 (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) { | 92 (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) { |
91 return; | 93 return; |
92 } | 94 } |
93 buf << "q " << pImageObj->m_Matrix << " cm "; | 95 buf << "q " << pImageObj->m_Matrix << " cm "; |
(...skipping 25 matching lines...) Expand all Loading... |
119 if (!data || !size) | 121 if (!data || !size) |
120 return; | 122 return; |
121 | 123 |
122 buf << "q " << matrix << " cm "; | 124 buf << "q " << matrix << " cm "; |
123 | 125 |
124 CFX_FloatRect bbox = m_pPage->GetPageBBox(); | 126 CFX_FloatRect bbox = m_pPage->GetPageBBox(); |
125 matrix.TransformRect(bbox); | 127 matrix.TransformRect(bbox); |
126 | 128 |
127 CPDF_Dictionary* pFormDict = | 129 CPDF_Dictionary* pFormDict = |
128 new CPDF_Dictionary(m_pDocument->GetByteStringPool()); | 130 new CPDF_Dictionary(m_pDocument->GetByteStringPool()); |
129 pFormDict->SetNameFor("Type", "XObject"); | 131 pFormDict->SetNewFor<CPDF_Name>("Type", "XObject"); |
130 pFormDict->SetNameFor("Subtype", "Form"); | 132 pFormDict->SetNewFor<CPDF_Name>("Subtype", "Form"); |
131 pFormDict->SetRectFor("BBox", bbox); | 133 pFormDict->SetRectFor("BBox", bbox); |
132 | 134 |
133 CPDF_Stream* pStream = m_pDocument->NewIndirect<CPDF_Stream>(); | 135 CPDF_Stream* pStream = m_pDocument->NewIndirect<CPDF_Stream>(); |
134 pStream->InitStream(data, size, pFormDict); | 136 pStream->InitStream(data, size, pFormDict); |
135 | 137 |
136 CFX_ByteString name = RealizeResource(pStream->GetObjNum(), "XObject"); | 138 CFX_ByteString name = RealizeResource(pStream->GetObjNum(), "XObject"); |
137 buf << "/" << PDF_NameEncode(name) << " Do Q\n"; | 139 buf << "/" << PDF_NameEncode(name) << " Do Q\n"; |
138 } | 140 } |
139 | 141 |
140 void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) { | 142 void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) { |
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172 ProcessForm(buf, pBuf, size, matrix); | 174 ProcessForm(buf, pBuf, size, matrix); |
173 FX_Free(pBuf); | 175 FX_Free(pBuf); |
174 FX_Free(pContentArray); | 176 FX_Free(pContentArray); |
175 } else if (CPDF_Stream* pStream = pContent->AsStream()) { | 177 } else if (CPDF_Stream* pStream = pContent->AsStream()) { |
176 CPDF_StreamAcc contentStream; | 178 CPDF_StreamAcc contentStream; |
177 contentStream.LoadAllData(pStream); | 179 contentStream.LoadAllData(pStream); |
178 ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); | 180 ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); |
179 } | 181 } |
180 CPDF_Stream* pStream = m_pDocument->NewIndirect<CPDF_Stream>(); | 182 CPDF_Stream* pStream = m_pDocument->NewIndirect<CPDF_Stream>(); |
181 pStream->SetData(buf.GetBuffer(), buf.GetLength()); | 183 pStream->SetData(buf.GetBuffer(), buf.GetLength()); |
182 m_pPage->m_pFormDict->SetReferenceFor("Contents", m_pDocument, pStream); | 184 m_pPage->m_pFormDict->SetNewFor<CPDF_Reference>("Contents", m_pDocument, |
| 185 pStream->GetObjNum()); |
183 } | 186 } |
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