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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 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/include/fpdfapi/fpdf_module.h" | 7 #include "core/include/fpdfapi/fpdf_module.h" |
8 #include "core/include/fpdfapi/fpdf_page.h" | 8 #include "core/include/fpdfapi/fpdf_page.h" |
9 #include "core/include/fpdfapi/fpdf_serial.h" | 9 #include "core/include/fpdfapi/fpdf_serial.h" |
10 #include "core/src/fpdfapi/fpdf_page/pageint.h" | 10 #include "core/src/fpdfapi/fpdf_page/pageint.h" |
11 | 11 |
12 CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { | 12 CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { |
13 ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " | 13 ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " |
14 << matrix.e << " " << matrix.f; | 14 << matrix.e << " " << matrix.f; |
15 return ar; | 15 return ar; |
16 } | 16 } |
| 17 |
17 CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage) | 18 CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage) |
18 : m_pPage(pPage) { | 19 : m_pPage(pPage), m_pDocument(m_pPage->m_pDocument) { |
19 m_pDocument = NULL; | 20 for (const auto& pObj : *pPage->GetPageObjectList()) |
20 if (m_pPage) { | 21 InsertPageObject(pObj.get()); |
21 m_pDocument = m_pPage->m_pDocument; | |
22 } | |
23 FX_POSITION pos = pPage->GetPageObjectList()->GetHeadPosition(); | |
24 while (pos) { | |
25 InsertPageObject(pPage->GetPageObjectList()->GetNextObject(pos)); | |
26 } | |
27 } | 22 } |
28 CPDF_PageContentGenerator::~CPDF_PageContentGenerator() {} | 23 |
29 FX_BOOL CPDF_PageContentGenerator::InsertPageObject( | 24 FX_BOOL CPDF_PageContentGenerator::InsertPageObject( |
30 CPDF_PageObject* pPageObject) { | 25 CPDF_PageObject* pPageObject) { |
31 if (!pPageObject) { | 26 return pPageObject && m_pageObjects.Add(pPageObject); |
32 return FALSE; | |
33 } | |
34 return m_pageObjects.Add(pPageObject); | |
35 } | 27 } |
| 28 |
36 void CPDF_PageContentGenerator::GenerateContent() { | 29 void CPDF_PageContentGenerator::GenerateContent() { |
37 CFX_ByteTextBuf buf; | 30 CFX_ByteTextBuf buf; |
38 CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; | 31 CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; |
39 for (int i = 0; i < m_pageObjects.GetSize(); ++i) { | 32 for (int i = 0; i < m_pageObjects.GetSize(); ++i) { |
40 CPDF_PageObject* pPageObj = m_pageObjects[i]; | 33 CPDF_PageObject* pPageObj = m_pageObjects[i]; |
41 if (!pPageObj || pPageObj->m_Type != CPDF_PageObject::IMAGE) { | 34 if (!pPageObj || pPageObj->m_Type != CPDF_PageObject::IMAGE) { |
42 continue; | 35 continue; |
43 } | 36 } |
44 ProcessImage(buf, (CPDF_ImageObject*)pPageObj); | 37 ProcessImage(buf, (CPDF_ImageObject*)pPageObj); |
45 } | 38 } |
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156 CPDF_StreamAcc contentStream; | 149 CPDF_StreamAcc contentStream; |
157 contentStream.LoadAllData(pStream); | 150 contentStream.LoadAllData(pStream); |
158 ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); | 151 ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); |
159 } | 152 } |
160 CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); | 153 CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); |
161 pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); | 154 pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); |
162 m_pDocument->AddIndirectObject(pStream); | 155 m_pDocument->AddIndirectObject(pStream); |
163 m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument, | 156 m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument, |
164 pStream->GetObjNum()); | 157 pStream->GetObjNum()); |
165 } | 158 } |
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