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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_edit/include/cpdf_pagecontentgenerator.h" | 7 #include "core/fpdfapi/fpdf_edit/include/cpdf_pagecontentgenerator.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h" | 9 #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h" |
10 #include "core/fpdfapi/fpdf_page/include/cpdf_image.h" | 10 #include "core/fpdfapi/fpdf_page/include/cpdf_image.h" |
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40 CFX_ByteTextBuf buf; | 40 CFX_ByteTextBuf buf; |
41 CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; | 41 CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; |
42 for (int i = 0; i < m_pageObjects.GetSize(); ++i) { | 42 for (int i = 0; i < m_pageObjects.GetSize(); ++i) { |
43 CPDF_PageObject* pPageObj = m_pageObjects[i]; | 43 CPDF_PageObject* pPageObj = m_pageObjects[i]; |
44 if (!pPageObj || !pPageObj->IsImage()) { | 44 if (!pPageObj || !pPageObj->IsImage()) { |
45 continue; | 45 continue; |
46 } | 46 } |
47 ProcessImage(buf, pPageObj->AsImage()); | 47 ProcessImage(buf, pPageObj->AsImage()); |
48 } | 48 } |
49 CPDF_Object* pContent = | 49 CPDF_Object* pContent = |
50 pPageDict ? pPageDict->GetElementValue("Contents") : NULL; | 50 pPageDict ? pPageDict->GetDirectObjectBy("Contents") : NULL; |
51 if (pContent) { | 51 if (pContent) { |
52 pPageDict->RemoveAt("Contents"); | 52 pPageDict->RemoveAt("Contents"); |
53 } | 53 } |
54 CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); | 54 CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); |
55 pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); | 55 pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); |
56 m_pDocument->AddIndirectObject(pStream); | 56 m_pDocument->AddIndirectObject(pStream); |
57 pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum()); | 57 pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum()); |
58 } | 58 } |
59 CFX_ByteString CPDF_PageContentGenerator::RealizeResource( | 59 CFX_ByteString CPDF_PageContentGenerator::RealizeResource( |
60 CPDF_Object* pResourceObj, | 60 CPDF_Object* pResourceObj, |
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115 CFX_FloatRect bbox = m_pPage->GetPageBBox(); | 115 CFX_FloatRect bbox = m_pPage->GetPageBBox(); |
116 matrix.TransformRect(bbox); | 116 matrix.TransformRect(bbox); |
117 pFormDict->SetAtRect("BBox", bbox); | 117 pFormDict->SetAtRect("BBox", bbox); |
118 pStream->InitStream((uint8_t*)data, size, pFormDict); | 118 pStream->InitStream((uint8_t*)data, size, pFormDict); |
119 buf << "q " << matrix << " cm "; | 119 buf << "q " << matrix << " cm "; |
120 CFX_ByteString name = RealizeResource(pStream, "XObject"); | 120 CFX_ByteString name = RealizeResource(pStream, "XObject"); |
121 buf << "/" << PDF_NameEncode(name) << " Do Q\n"; | 121 buf << "/" << PDF_NameEncode(name) << " Do Q\n"; |
122 } | 122 } |
123 void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) { | 123 void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) { |
124 CPDF_Dictionary* pDict = m_pPage->m_pFormDict; | 124 CPDF_Dictionary* pDict = m_pPage->m_pFormDict; |
125 CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL; | 125 CPDF_Object* pContent = pDict ? pDict->GetDirectObjectBy("Contents") : NULL; |
126 if (!pContent) | 126 if (!pContent) |
127 return; | 127 return; |
128 | 128 |
129 CFX_ByteTextBuf buf; | 129 CFX_ByteTextBuf buf; |
130 if (CPDF_Array* pArray = pContent->AsArray()) { | 130 if (CPDF_Array* pArray = pContent->AsArray()) { |
131 int iCount = pArray->GetCount(); | 131 int iCount = pArray->GetCount(); |
132 CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount); | 132 CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount); |
133 int size = 0; | 133 int size = 0; |
134 int i = 0; | 134 int i = 0; |
135 for (i = 0; i < iCount; ++i) { | 135 for (i = 0; i < iCount; ++i) { |
136 pContent = pArray->GetElement(i); | 136 pContent = pArray->GetObjectAt(i); |
137 CPDF_Stream* pStream = ToStream(pContent); | 137 CPDF_Stream* pStream = ToStream(pContent); |
138 if (!pStream) | 138 if (!pStream) |
139 continue; | 139 continue; |
140 | 140 |
141 CPDF_StreamAcc* pStreamAcc = new CPDF_StreamAcc(); | 141 CPDF_StreamAcc* pStreamAcc = new CPDF_StreamAcc(); |
142 pStreamAcc->LoadAllData(pStream); | 142 pStreamAcc->LoadAllData(pStream); |
143 pContentArray[i] = pStreamAcc; | 143 pContentArray[i] = pStreamAcc; |
144 size += pContentArray[i]->GetSize() + 1; | 144 size += pContentArray[i]->GetSize() + 1; |
145 } | 145 } |
146 int pos = 0; | 146 int pos = 0; |
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159 CPDF_StreamAcc contentStream; | 159 CPDF_StreamAcc contentStream; |
160 contentStream.LoadAllData(pStream); | 160 contentStream.LoadAllData(pStream); |
161 ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); | 161 ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); |
162 } | 162 } |
163 CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); | 163 CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); |
164 pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); | 164 pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); |
165 m_pDocument->AddIndirectObject(pStream); | 165 m_pDocument->AddIndirectObject(pStream); |
166 m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument, | 166 m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument, |
167 pStream->GetObjNum()); | 167 pStream->GetObjNum()); |
168 } | 168 } |
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