diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp')
-rw-r--r-- | core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp deleted file mode 100644 index a8fddf6cfc..0000000000 --- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp +++ /dev/null @@ -1,162 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "core/include/fpdfapi/cpdf_array.h" -#include "core/include/fpdfapi/cpdf_dictionary.h" -#include "core/include/fpdfapi/cpdf_document.h" -#include "core/include/fpdfapi/fpdf_module.h" -#include "core/include/fpdfapi/fpdf_page.h" -#include "core/include/fpdfapi/fpdf_parser_decode.h" -#include "core/include/fpdfapi/fpdf_serial.h" -#include "core/src/fpdfapi/fpdf_page/pageint.h" - -CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { - ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " - << matrix.e << " " << matrix.f; - return ar; -} - -CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage) - : m_pPage(pPage), m_pDocument(m_pPage->m_pDocument) { - for (const auto& pObj : *pPage->GetPageObjectList()) - InsertPageObject(pObj.get()); -} - -FX_BOOL CPDF_PageContentGenerator::InsertPageObject( - CPDF_PageObject* pPageObject) { - return pPageObject && m_pageObjects.Add(pPageObject); -} - -void CPDF_PageContentGenerator::GenerateContent() { - CFX_ByteTextBuf buf; - CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; - for (int i = 0; i < m_pageObjects.GetSize(); ++i) { - CPDF_PageObject* pPageObj = m_pageObjects[i]; - if (!pPageObj || !pPageObj->IsImage()) { - continue; - } - ProcessImage(buf, pPageObj->AsImage()); - } - CPDF_Object* pContent = - pPageDict ? pPageDict->GetElementValue("Contents") : NULL; - if (pContent) { - pPageDict->RemoveAt("Contents"); - } - CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); - pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); - m_pDocument->AddIndirectObject(pStream); - pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum()); -} -CFX_ByteString CPDF_PageContentGenerator::RealizeResource( - CPDF_Object* pResourceObj, - const FX_CHAR* szType) { - if (!m_pPage->m_pResources) { - m_pPage->m_pResources = new CPDF_Dictionary; - int objnum = m_pDocument->AddIndirectObject(m_pPage->m_pResources); - m_pPage->m_pFormDict->SetAtReference("Resources", m_pDocument, objnum); - } - CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictBy(szType); - if (!pResList) { - pResList = new CPDF_Dictionary; - m_pPage->m_pResources->SetAt(szType, pResList); - } - m_pDocument->AddIndirectObject(pResourceObj); - CFX_ByteString name; - int idnum = 1; - while (1) { - name.Format("FX%c%d", szType[0], idnum); - if (!pResList->KeyExist(name)) { - break; - } - idnum++; - } - pResList->AddReference(name, m_pDocument, pResourceObj->GetObjNum()); - return name; -} -void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf& buf, - CPDF_ImageObject* pImageObj) { - if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) || - (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) { - return; - } - buf << "q " << pImageObj->m_Matrix << " cm "; - if (!pImageObj->m_pImage->IsInline()) { - CPDF_Stream* pStream = pImageObj->m_pImage->GetStream(); - FX_DWORD dwSavedObjNum = pStream->GetObjNum(); - CFX_ByteString name = RealizeResource(pStream, "XObject"); - if (dwSavedObjNum == 0) { - if (pImageObj->m_pImage) - pImageObj->m_pImage->Release(); - pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pStream); - } - buf << "/" << PDF_NameEncode(name) << " Do Q\n"; - } -} -void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf, - const uint8_t* data, - FX_DWORD size, - CFX_Matrix& matrix) { - if (!data || !size) { - return; - } - CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); - CPDF_Dictionary* pFormDict = new CPDF_Dictionary; - pFormDict->SetAtName("Type", "XObject"); - pFormDict->SetAtName("Subtype", "Form"); - CFX_FloatRect bbox = m_pPage->GetPageBBox(); - matrix.TransformRect(bbox); - pFormDict->SetAtRect("BBox", bbox); - pStream->InitStream((uint8_t*)data, size, pFormDict); - buf << "q " << matrix << " cm "; - CFX_ByteString name = RealizeResource(pStream, "XObject"); - buf << "/" << PDF_NameEncode(name) << " Do Q\n"; -} -void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) { - CPDF_Dictionary* pDict = m_pPage->m_pFormDict; - CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL; - if (!pContent) - return; - - CFX_ByteTextBuf buf; - if (CPDF_Array* pArray = pContent->AsArray()) { - int iCount = pArray->GetCount(); - CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount); - int size = 0; - int i = 0; - for (i = 0; i < iCount; ++i) { - pContent = pArray->GetElement(i); - CPDF_Stream* pStream = ToStream(pContent); - if (!pStream) - continue; - - CPDF_StreamAcc* pStreamAcc = new CPDF_StreamAcc(); - pStreamAcc->LoadAllData(pStream); - pContentArray[i] = pStreamAcc; - size += pContentArray[i]->GetSize() + 1; - } - int pos = 0; - uint8_t* pBuf = FX_Alloc(uint8_t, size); - for (i = 0; i < iCount; ++i) { - FXSYS_memcpy(pBuf + pos, pContentArray[i]->GetData(), - pContentArray[i]->GetSize()); - pos += pContentArray[i]->GetSize() + 1; - pBuf[pos - 1] = ' '; - delete pContentArray[i]; - } - ProcessForm(buf, pBuf, size, matrix); - FX_Free(pBuf); - FX_Free(pContentArray); - } else if (CPDF_Stream* pStream = pContent->AsStream()) { - CPDF_StreamAcc contentStream; - contentStream.LoadAllData(pStream); - ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); - } - CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL); - pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE); - m_pDocument->AddIndirectObject(pStream); - m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument, - pStream->GetObjNum()); -} |