From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- core/src/fpdfapi/fpdf_edit/editint.h | 59 + core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp | 164 ++ core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp | 2131 ++++++++++++++++++++++ core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp | 1205 ++++++++++++ core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp | 374 ++++ 5 files changed, 3933 insertions(+) create mode 100644 core/src/fpdfapi/fpdf_edit/editint.h create mode 100644 core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp create mode 100644 core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp create mode 100644 core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp create mode 100644 core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp (limited to 'core/src/fpdfapi/fpdf_edit') diff --git a/core/src/fpdfapi/fpdf_edit/editint.h b/core/src/fpdfapi/fpdf_edit/editint.h new file mode 100644 index 0000000000..bceba1a745 --- /dev/null +++ b/core/src/fpdfapi/fpdf_edit/editint.h @@ -0,0 +1,59 @@ +// 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 + +#ifndef _FPDF_EDITINT_ +#define _FPDF_EDITINT_ +class CPDF_ObjectStream : public CFX_Object +{ +public: + CPDF_ObjectStream(); + + FX_BOOL Start(); + + FX_INT32 CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj); + FX_INT32 CompressIndirectObject(FX_DWORD dwObjNum, FX_LPCBYTE pBuffer, FX_DWORD dwSize); + + FX_FILESIZE End(CPDF_Creator* pCreator); + + CFX_DWordArray m_ObjNumArray; + + CFX_ByteTextBuf m_Buffer; + FX_DWORD m_dwObjNum; + FX_INT32 m_index; +protected: + + CFX_DWordArray m_OffsetArray; +}; +class CPDF_XRefStream : public CFX_Object +{ +public: + + CPDF_XRefStream(); + + FX_BOOL Start(); + + FX_INT32 CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj, CPDF_Creator *pCreator); + + FX_INT32 CompressIndirectObject(FX_DWORD dwObjNum, FX_LPCBYTE pBuffer, FX_DWORD dwSize, CPDF_Creator *pCreator); + + FX_BOOL End(CPDF_Creator *pCreator, FX_BOOL bEOF = FALSE); + FX_BOOL AddObjectNumberToIndexArray(FX_DWORD objnum); + FX_BOOL EndXRefStream(CPDF_Creator* pCreator); + + + CFX_DWordArray m_IndexArray; + + FX_FILESIZE m_PrevOffset; + FX_DWORD m_dwTempObjNum; + +protected: + FX_INT32 EndObjectStream(CPDF_Creator *pCreator, FX_BOOL bEOF = TRUE); + FX_BOOL GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF); + FX_INT32 m_iSeg; + CPDF_ObjectStream m_ObjStream; + CFX_ByteTextBuf m_Buffer; +}; +#endif diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp new file mode 100644 index 0000000000..798c77261b --- /dev/null +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp @@ -0,0 +1,164 @@ +// 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 "../../../include/fpdfapi/fpdf_page.h" +#include "../../../include/fpdfapi/fpdf_serial.h" +#include "../../../include/fpdfapi/fpdf_module.h" +#include "../../../include/fxcodec/fx_codec.h" +#include "../fpdf_page/pageint.h" +CFX_ByteTextBuf& operator << (CFX_ByteTextBuf& ar, CFX_AffineMatrix& matrix) +{ + ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " << matrix.e << " " << matrix.f; + return ar; +} +CPDF_PageContentGenerate::CPDF_PageContentGenerate(CPDF_Page* pPage) : m_pPage(pPage) +{ + m_pDocument = NULL; + if (m_pPage) { + m_pDocument = m_pPage->m_pDocument; + } +} +CPDF_PageContentGenerate::~CPDF_PageContentGenerate() +{ + for (int i = 0; i < m_pageObjects.GetSize(); ++i) { + CPDF_PageObject* pPageObj = (CPDF_PageObject*)m_pageObjects[i]; + if (pPageObj) { + pPageObj->Release(); + } + } +} +FX_BOOL CPDF_PageContentGenerate::InsertPageObject(CPDF_PageObject* pPageObject) +{ + if (!pPageObject) { + return FALSE; + } + return m_pageObjects.Add(pPageObject); +} +void CPDF_PageContentGenerate::GenerateContent() +{ + CFX_ByteTextBuf buf; + CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict; + for (int i = 0; i < m_pageObjects.GetSize(); ++i) { + CPDF_PageObject* pPageObj = (CPDF_PageObject*)m_pageObjects[i]; + if (!pPageObj || pPageObj->m_Type != PDFPAGE_IMAGE) { + continue; + } + ProcessImage(buf, (CPDF_ImageObject*)pPageObj); + } + CPDF_Object* pContent = pPageDict->GetElementValue("Contents"); + if (pContent != NULL) { + pPageDict->RemoveAt("Contents"); + } + CPDF_Stream* pStream = FX_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_PageContentGenerate::RealizeResource(CPDF_Object* pResourceObj, const FX_CHAR* szType) +{ + if (m_pPage->m_pResources == NULL) { + m_pPage->m_pResources = FX_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->GetDict(szType); + if (pResList == NULL) { + pResList = FX_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_PageContentGenerate::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) { + pImageObj->m_pImage->Release(); + pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pStream); + } + buf << "/" << PDF_NameEncode(name) << " Do Q\n"; + } +} +void CPDF_PageContentGenerate::ProcessForm(CFX_ByteTextBuf& buf, FX_LPCBYTE data, FX_DWORD size, CFX_Matrix& matrix) +{ + if (!data || !size) { + return; + } + CPDF_Stream* pStream = FX_NEW CPDF_Stream(NULL, 0, NULL); + CPDF_Dictionary* pFormDict = CPDF_Dictionary::Create(); + pFormDict->SetAtName(FX_BSTR("Type"), FX_BSTR("XObject")); + pFormDict->SetAtName(FX_BSTR("Subtype"), FX_BSTR("Form")); + CFX_FloatRect bbox = m_pPage->GetPageBBox(); + matrix.TransformRect(bbox); + pFormDict->SetAtRect(FX_BSTR("BBox"), bbox); + pStream->InitStream((FX_LPBYTE)data, size, pFormDict); + buf << "q " << matrix << " cm "; + CFX_ByteString name = RealizeResource(pStream, "XObject"); + buf << "/" << PDF_NameEncode(name) << " Do Q\n"; +} +void CPDF_PageContentGenerate::TransformContent(CFX_Matrix& matrix) +{ + CPDF_Object* pContent = m_pPage->m_pFormDict->GetElementValue("Contents"); + if (!pContent) { + return; + } + CFX_ByteTextBuf buf; + int type = pContent->GetType(); + if (type == PDFOBJ_ARRAY) { + CPDF_Array* pArray = (CPDF_Array*)pContent; + int iCount = pArray->GetCount(); + CPDF_StreamAcc** pContentArray = (CPDF_StreamAcc**)FX_Alloc(CPDF_StreamAcc*, iCount); + int size = 0; + int i = 0; + for (i = 0; i < iCount; ++i) { + pContent = pArray->GetElement(i); + if (!pContent || pContent->GetType() != PDFOBJ_STREAM) { + continue; + } + CPDF_StreamAcc* pStream = FX_NEW CPDF_StreamAcc(); + pStream->LoadAllData((CPDF_Stream*)pContent); + pContentArray[i] = pStream; + size += pContentArray[i]->GetSize() + 1; + } + int pos = 0; + FX_LPBYTE pBuf = FX_Alloc(FX_BYTE, size); + for (i = 0; i < iCount; ++i) { + FXSYS_memcpy32(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 (type == PDFOBJ_STREAM) { + CPDF_StreamAcc contentStream; + contentStream.LoadAllData((CPDF_Stream*)pContent); + ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix); + } + CPDF_Stream* pStream = FX_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()); +} diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp new file mode 100644 index 0000000000..4ec3aa6e5e --- /dev/null +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp @@ -0,0 +1,2131 @@ +// 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 "../../../include/fpdfapi/fpdf_serial.h" +#include "editint.h" +#define PDF_OBJECTSTREAM_MAXLENGTH (256 * 1024) +#define PDF_XREFSTREAM_MAXSIZE 10000 +extern void FlateEncode(const FX_BYTE* src_buf, FX_DWORD src_data, FX_LPBYTE& dest_buf, FX_DWORD& dest_size); +extern void FlateEncode(FX_LPCBYTE src_buf, FX_DWORD src_size, int predictor, int Colors, int BitsPerComponent, int Columns, + FX_LPBYTE& dest_buf, FX_DWORD& dest_size); +extern FX_BOOL IsSignatureDict(const CPDF_Dictionary* pDict); +FX_INT32 PDF_CreatorAppendObject(const CPDF_Object* pObj, CFX_FileBufferArchive *pFile, FX_FILESIZE& offset) +{ + FX_INT32 len = 0; + if (pObj == NULL) { + if (pFile->AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + offset += 5; + return 1; + } + switch (pObj->GetType()) { + case PDFOBJ_NULL: + if (pFile->AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + offset += 5; + break; + case PDFOBJ_BOOLEAN: + case PDFOBJ_NUMBER: + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendString(pObj->GetString())) < 0) { + return -1; + } + offset += len + 1; + break; + case PDFOBJ_STRING: { + CFX_ByteString str = pObj->GetString(); + FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex(); + if ((len = pFile->AppendString(PDF_EncodeString(str, bHex))) < 0) { + return -1; + } + offset += len; + break; + } + case PDFOBJ_NAME: { + if (pFile->AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + CFX_ByteString str = pObj->GetString(); + if ((len = pFile->AppendString(PDF_NameEncode(str))) < 0) { + return -1; + } + offset += len + 1; + break; + } + case PDFOBJ_REFERENCE: { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + CPDF_Reference* p = (CPDF_Reference*)pObj; + if ((len = pFile->AppendDWord(p->GetRefObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + offset += len + 6; + break; + } + case PDFOBJ_ARRAY: { + if (pFile->AppendString(FX_BSTRC("[")) < 0) { + return -1; + } + offset += 1; + CPDF_Array* p = (CPDF_Array*)pObj; + for (FX_DWORD i = 0; i < p->GetCount(); i ++) { + CPDF_Object* pElement = p->GetElement(i); + if (pElement->GetObjNum()) { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pElement->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + offset += len + 5; + } else { + if (PDF_CreatorAppendObject(pElement, pFile, offset) < 0) { + return -1; + } + } + } + if (pFile->AppendString(FX_BSTRC("]")) < 0) { + return -1; + } + offset += 1; + break; + } + case PDFOBJ_DICTIONARY: { + if (pFile->AppendString(FX_BSTRC("<<")) < 0) { + return -1; + } + offset += 2; + CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + FX_POSITION pos = p->GetStartPos(); + while (pos) { + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (pFile->AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) { + return -1; + } + offset += len + 1; + if (pValue->GetObjNum()) { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + offset += len + 5; + } else { + if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) { + return -1; + } + } + } + if (pFile->AppendString(FX_BSTRC(">>")) < 0) { + return -1; + } + offset += 2; + break; + } + case PDFOBJ_STREAM: { + CPDF_Stream* p = (CPDF_Stream*)pObj; + if (PDF_CreatorAppendObject(p->GetDict(), pFile, offset) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC("stream\r\n")) < 0) { + return -1; + } + offset += 8; + CPDF_StreamAcc acc; + acc.LoadAllData(p, TRUE); + if (pFile->AppendBlock(acc.GetData(), acc.GetSize()) < 0) { + return -1; + } + offset += acc.GetSize(); + if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream"))) < 0) { + return -1; + } + offset += len; + break; + } + default: + ASSERT(FALSE); + break; + } + return 1; +} +FX_INT32 PDF_CreatorWriteTrailer(CPDF_Document* pDocument, CFX_FileBufferArchive* pFile, CPDF_Array* pIDArray, FX_BOOL bCompress) +{ + FX_FILESIZE offset = 0; + FX_INT32 len = 0; + FXSYS_assert(pDocument && pFile); + CPDF_Parser *pParser = (CPDF_Parser*)pDocument->GetParser(); + if (pParser) { + CPDF_Dictionary* p = pParser->GetTrailer(); + FX_POSITION pos = p->GetStartPos(); + while (pos) { + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (key == FX_BSTRC("Encrypt") || key == FX_BSTRC("Size") || key == FX_BSTRC("Filter") || + key == FX_BSTRC("Index") || key == FX_BSTRC("Length") || key == FX_BSTRC("Prev") || + key == FX_BSTRC("W") || key == FX_BSTRC("XRefStm") || key == FX_BSTRC("Type") || key == FX_BSTRC("ID")) { + continue; + } + if (bCompress && key == FX_BSTRC("DecodeParms")) { + continue; + } + if (pFile->AppendString((FX_BSTRC("/"))) < 0) { + return -1; + } + if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) { + return -1; + } + offset += len + 1; + if (pValue->GetObjNum()) { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + offset += len + 6; + } else { + if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) { + return -1; + } + } + } + if (pIDArray) { + if (pFile->AppendString((FX_BSTRC("/ID"))) < 0) { + return -1; + } + offset += 3; + if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) { + return -1; + } + } + return offset; + } + if (pFile->AppendString(FX_BSTRC("\r\n/Root ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pDocument->GetRoot()->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; + } + offset += len + 14; + if (pDocument->GetInfo()) { + if (pFile->AppendString(FX_BSTRC("/Info ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pDocument->GetInfo()->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; + } + offset += len + 12; + } + if (pIDArray) { + if (pFile->AppendString((FX_BSTRC("/ID"))) < 0) { + return -1; + } + offset += 3; + if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) { + return -1; + } + } + return offset; +} +FX_INT32 PDF_CreatorWriteEncrypt(const CPDF_Dictionary* pEncryptDict, FX_DWORD dwObjNum, CFX_FileBufferArchive *pFile) +{ + if (!pEncryptDict) { + return 0; + } + FXSYS_assert(pFile); + FX_FILESIZE offset = 0; + FX_INT32 len = 0; + if (pFile->AppendString(FX_BSTRC("/Encrypt")) < 0) { + return -1; + } + offset += 8; + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(dwObjNum)) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + offset += len + 6; + return offset; +} +FX_BOOL PDF_GenerateFileID(FX_DWORD dwSeed1, FX_DWORD dwSeed2, FX_LPDWORD pBuffer) +{ + if (!pBuffer) { + return FALSE; + } + FX_LPVOID pContext = FX_Random_MT_Start(dwSeed1); + FX_INT32 i = 0; + for (i = 0; i < 2; i++) { + *pBuffer++ = FX_Random_MT_Generate(pContext); + } + FX_Random_MT_Close(pContext); + pContext = FX_Random_MT_Start(dwSeed2); + for (i = 0; i < 2; i++) { + *pBuffer++ = FX_Random_MT_Generate(pContext); + } + FX_Random_MT_Close(pContext); + return TRUE; +} +class CPDF_FlateEncoder +{ +public: + CPDF_FlateEncoder(); + ~CPDF_FlateEncoder(); + FX_BOOL Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode); + FX_BOOL Initialize(FX_LPCBYTE pBuffer, FX_DWORD size, FX_BOOL bFlateEncode, FX_BOOL bXRefStream = FALSE); + void CloneDict(); + FX_LPBYTE m_pData; + FX_DWORD m_dwSize; + CPDF_Dictionary* m_pDict; + FX_BOOL m_bCloned; + FX_BOOL m_bNewData; + CPDF_StreamAcc m_Acc; +}; +CPDF_FlateEncoder::CPDF_FlateEncoder() +{ + m_pData = NULL; + m_dwSize = 0; + m_pDict = NULL; + m_bCloned = FALSE; + m_bNewData = FALSE; +} +void CPDF_FlateEncoder::CloneDict() +{ + if (!m_bCloned) { + m_pDict = (CPDF_Dictionary*)m_pDict->Clone(); + m_bCloned = TRUE; + } +} +FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode) +{ + m_Acc.LoadAllData(pStream, TRUE); + if (pStream->GetDict()->KeyExist("Filter") || !bFlateEncode) { + if (pStream->GetDict()->KeyExist("Filter") && !bFlateEncode) { + CPDF_StreamAcc destAcc; + destAcc.LoadAllData(pStream); + m_dwSize = destAcc.GetSize(); + m_pData = (FX_LPBYTE)destAcc.DetachData(); + m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); + m_pDict->RemoveAt(FX_BSTRC("Filter")); + m_bNewData = TRUE; + m_bCloned = TRUE; + } else { + m_pData = (FX_LPBYTE)m_Acc.GetData(); + m_dwSize = m_Acc.GetSize(); + m_pDict = pStream->GetDict(); + } + return TRUE; + } + m_pData = NULL; + m_dwSize = 0; + m_bNewData = TRUE; + m_bCloned = TRUE; + ::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), m_pData, m_dwSize); + m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); + m_pDict->SetAtInteger("Length", m_dwSize); + m_pDict->SetAtName("Filter", "FlateDecode"); + m_pDict->RemoveAt("DecodeParms"); + return TRUE; +} +FX_BOOL CPDF_FlateEncoder::Initialize(FX_LPCBYTE pBuffer, FX_DWORD size, FX_BOOL bFlateEncode, FX_BOOL bXRefStream) +{ + if (!bFlateEncode) { + m_pData = (FX_LPBYTE)pBuffer; + m_dwSize = size; + return TRUE; + } + m_bNewData = TRUE; + if (bXRefStream) { + ::FlateEncode(pBuffer, size, 12, 1, 8, 7, m_pData, m_dwSize); + } else { + ::FlateEncode(pBuffer, size, m_pData, m_dwSize); + } + return TRUE; +} +CPDF_FlateEncoder::~CPDF_FlateEncoder() +{ + if (m_bCloned && m_pDict) { + m_pDict->Release(); + } + if (m_bNewData && m_pData) { + FX_Free(m_pData); + } +} +class CPDF_Encryptor +{ +public: + CPDF_Encryptor(); + ~CPDF_Encryptor(); + FX_BOOL Initialize(CPDF_CryptoHandler* pHandler, int objnum, FX_LPBYTE src_data, FX_DWORD src_size); + FX_LPBYTE m_pData; + FX_DWORD m_dwSize; + FX_BOOL m_bNewBuf; +}; +CPDF_Encryptor::CPDF_Encryptor() +{ + m_pData = NULL; + m_dwSize = 0; + m_bNewBuf = FALSE; +} +FX_BOOL CPDF_Encryptor::Initialize(CPDF_CryptoHandler* pHandler, int objnum, FX_LPBYTE src_data, FX_DWORD src_size) +{ + if (src_size == 0) { + return TRUE; + } + if (pHandler == NULL) { + m_pData = (FX_LPBYTE)src_data; + m_dwSize = src_size; + m_bNewBuf = FALSE; + return TRUE; + } + m_dwSize = pHandler->EncryptGetSize(objnum, 0, src_data, src_size); + m_pData = FX_Alloc(FX_BYTE, m_dwSize); + if(!m_pData) { + return FALSE; + } + pHandler->EncryptContent(objnum, 0, src_data, src_size, m_pData, m_dwSize); + m_bNewBuf = TRUE; + return TRUE; +} +CPDF_Encryptor::~CPDF_Encryptor() +{ + if (m_bNewBuf) { + FX_Free(m_pData); + } +} +CPDF_ObjectStream::CPDF_ObjectStream() + : m_dwObjNum(0) + , m_index(0) +{ +} +FX_BOOL CPDF_ObjectStream::Start() +{ + m_ObjNumArray.RemoveAll(); + m_OffsetArray.RemoveAll(); + m_Buffer.Clear(); + m_dwObjNum = 0; + m_index = 0; + return TRUE; +} +FX_INT32 CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj) +{ + m_ObjNumArray.Add(dwObjNum); + m_OffsetArray.Add(m_Buffer.GetLength()); + m_Buffer << pObj; + return 1; +} +FX_INT32 CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum, FX_LPCBYTE pBuffer, FX_DWORD dwSize) +{ + m_ObjNumArray.Add(dwObjNum); + m_OffsetArray.Add(m_Buffer.GetLength()); + m_Buffer.AppendBlock(pBuffer, dwSize); + return 1; +} +FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) +{ + FXSYS_assert(pCreator); + if (m_ObjNumArray.GetSize() == 0) { + return 0; + } + CFX_FileBufferArchive *pFile = &pCreator->m_File; + CPDF_CryptoHandler *pHandler = pCreator->m_pCryptoHandler; + FX_FILESIZE ObjOffset = pCreator->m_Offset; + if (!m_dwObjNum) { + m_dwObjNum = ++pCreator->m_dwLastObjNum; + } + CFX_ByteTextBuf tempBuffer; + FX_INT32 iCount = m_ObjNumArray.GetSize(); + for (FX_INT32 i = 0; i < iCount; i++) { + tempBuffer << m_ObjNumArray.ElementAt(i) << FX_BSTRC(" ") << m_OffsetArray.ElementAt(i) << FX_BSTRC(" "); + } + FX_FILESIZE &offset = pCreator->m_Offset; + FX_INT32 len = pFile->AppendDWord(m_dwObjNum); + if (len < 0) { + return -1; + } + offset += len; + if ((len = pFile->AppendString(FX_BSTRC(" 0 obj\r\n<AppendDWord((FX_DWORD)iCount)) < 0) { + return -1; + } + offset += len; + if (pFile->AppendString(FX_BSTRC("/First ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord((FX_DWORD)tempBuffer.GetLength())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC("/Length ")) < 0) { + return -1; + } + offset += len + 15; + if (!pCreator->m_bCompress && !pHandler) { + if ((len = pFile->AppendDWord((FX_DWORD)(tempBuffer.GetLength() + m_Buffer.GetLength()))) < 0) { + return -1; + } + offset += len; + if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + return -1; + } + if (pFile->AppendBlock(tempBuffer.GetBuffer(), tempBuffer.GetLength()) < 0) { + return -1; + } + if (pFile->AppendBlock(m_Buffer.GetBuffer(), m_Buffer.GetLength()) < 0) { + return -1; + } + offset += len + tempBuffer.GetLength() + m_Buffer.GetLength(); + } else { + tempBuffer << m_Buffer; + CPDF_FlateEncoder encoder; + encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(), pCreator->m_bCompress); + CPDF_Encryptor encryptor; + encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData, encoder.m_dwSize); + if ((len = pFile->AppendDWord(encryptor.m_dwSize)) < 0) { + return -1; + } + offset += len; + if (pCreator->m_bCompress) { + if (pFile->AppendString(FX_BSTRC("/Filter /FlateDecode")) < 0) { + return -1; + } + offset += 20; + } + if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + return -1; + } + if (pFile->AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { + return -1; + } + offset += len + encryptor.m_dwSize; + } + if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream\r\nendobj\r\n"))) < 0) { + return -1; + } + offset += len; + return ObjOffset; +} +CPDF_XRefStream::CPDF_XRefStream() + : m_PrevOffset(0) + , m_iSeg(0) + , m_dwTempObjNum(0) +{ +} +FX_BOOL CPDF_XRefStream::Start() +{ + m_IndexArray.RemoveAll(); + m_Buffer.Clear(); + m_iSeg = 0; + return TRUE; +} +FX_INT32 CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj, CPDF_Creator *pCreator) +{ + if (!pCreator) { + return 0; + } + m_ObjStream.CompressIndirectObject(dwObjNum, pObj); + if (m_ObjStream.m_ObjNumArray.GetSize() < pCreator->m_ObjectStreamSize && + m_ObjStream.m_Buffer.GetLength() < PDF_OBJECTSTREAM_MAXLENGTH) { + return 1; + } + return EndObjectStream(pCreator); +} +FX_INT32 CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum, FX_LPCBYTE pBuffer, FX_DWORD dwSize, CPDF_Creator *pCreator) +{ + if (!pCreator) { + return 0; + } + m_ObjStream.CompressIndirectObject(dwObjNum, pBuffer, dwSize); + if (m_ObjStream.m_ObjNumArray.GetSize() < pCreator->m_ObjectStreamSize && + m_ObjStream.m_Buffer.GetLength() < PDF_OBJECTSTREAM_MAXLENGTH) { + return 1; + } + return EndObjectStream(pCreator); +} +static void _AppendIndex0(CFX_ByteTextBuf& buffer, FX_BOOL bFirstObject = TRUE) +{ + buffer.AppendByte(0); + buffer.AppendByte(0); + buffer.AppendByte(0); + buffer.AppendByte(0); + buffer.AppendByte(0); + if (bFirstObject) { + buffer.AppendByte(0xFF); + buffer.AppendByte(0xFF); + } else { + buffer.AppendByte(0); + buffer.AppendByte(0); + } +} +static void _AppendIndex1(CFX_ByteTextBuf& buffer, FX_FILESIZE offset) +{ + buffer.AppendByte(1); + buffer.AppendByte(FX_GETBYTEOFFSET24(offset)); + buffer.AppendByte(FX_GETBYTEOFFSET16(offset)); + buffer.AppendByte(FX_GETBYTEOFFSET8(offset)); + buffer.AppendByte(FX_GETBYTEOFFSET0(offset)); + buffer.AppendByte(0); + buffer.AppendByte(0); +} +static void _AppendIndex2(CFX_ByteTextBuf& buffer, FX_DWORD objnum, FX_INT32 index) +{ + buffer.AppendByte(2); + buffer.AppendByte(FX_GETBYTEOFFSET24(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET16(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET8(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET0(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET8(index)); + buffer.AppendByte(FX_GETBYTEOFFSET0(index)); +} +FX_INT32 CPDF_XRefStream::EndObjectStream(CPDF_Creator *pCreator, FX_BOOL bEOF) +{ + FX_FILESIZE objOffset = 0; + if (bEOF) { + objOffset = m_ObjStream.End(pCreator); + if (objOffset < 0) { + return -1; + } + } + FX_DWORD &dwObjStmNum = m_ObjStream.m_dwObjNum; + if (!dwObjStmNum) { + dwObjStmNum = ++pCreator->m_dwLastObjNum; + } + FX_INT32 iSize = m_ObjStream.m_ObjNumArray.GetSize(); + FX_INT32 iSeg = m_IndexArray.GetSize() / 2; + if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) { + if (m_dwTempObjNum == 0) { + _AppendIndex0(m_Buffer); + m_dwTempObjNum++; + } + FX_DWORD end_num = m_IndexArray.GetAt((iSeg - 1) * 2) + m_IndexArray.GetAt((iSeg - 1) * 2 + 1); + int index = 0; + for (; m_dwTempObjNum < end_num; m_dwTempObjNum++) { + FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum); + if (offset) { + if (index >= iSize || m_dwTempObjNum != m_ObjStream.m_ObjNumArray[index]) { + _AppendIndex1(m_Buffer, *offset); + } else { + _AppendIndex2(m_Buffer, dwObjStmNum, index++); + } + } else { + _AppendIndex0(m_Buffer, FALSE); + } + } + if (iSize > 0 && bEOF) { + pCreator->m_ObjectOffset.Add(dwObjStmNum, 1); + pCreator->m_ObjectSize.Add(dwObjStmNum, 1); + pCreator->m_ObjectOffset[dwObjStmNum] = objOffset; + } + m_iSeg = iSeg; + if (bEOF) { + m_ObjStream.Start(); + } + return 1; + } + FX_INT32 &j = m_ObjStream.m_index; + for (int i = m_iSeg; i < iSeg; i++) { + FX_DWORD start = m_IndexArray.ElementAt(i * 2); + FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start; + for (FX_DWORD m = start; m < end; m++) { + if (j >= iSize || m != m_ObjStream.m_ObjNumArray.ElementAt(j)) { + _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[m]); + } else { + _AppendIndex2(m_Buffer, dwObjStmNum, j++); + } + } + } + if (iSize > 0 && bEOF) { + _AppendIndex1(m_Buffer, objOffset); + m_IndexArray.Add(dwObjStmNum); + m_IndexArray.Add(1); + iSeg += 1; + } + m_iSeg = iSeg; + if (bEOF) { + m_ObjStream.Start(); + } + return 1; +} +FX_BOOL CPDF_XRefStream::GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF) +{ + FX_FILESIZE offset_tmp = pCreator->m_Offset; + FX_DWORD objnum = ++pCreator->m_dwLastObjNum; + CFX_FileBufferArchive *pFile = &pCreator->m_File; + FX_BOOL bIncremental = (pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL) != 0; + if (bIncremental) { + AddObjectNumberToIndexArray(objnum); + } else { + for (; m_dwTempObjNum < pCreator->m_dwLastObjNum; m_dwTempObjNum++) { + FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum); + if (offset) { + _AppendIndex1(m_Buffer, *offset); + } else { + _AppendIndex0(m_Buffer, FALSE); + } + } + } + _AppendIndex1(m_Buffer, offset_tmp); + FX_FILESIZE &offset = pCreator->m_Offset; + FX_INT32 len = pFile->AppendDWord(objnum); + if (len < 0) { + return FALSE; + } + offset += len; + if ((len = pFile->AppendString(FX_BSTRC(" 0 obj\r\n<AppendDWord(0)) < 0) { + return FALSE; + } + if ((len = pFile->AppendString(FX_BSTRC(" "))) < 0) { + return FALSE; + } + offset += len + 1; + if ((len = pFile->AppendDWord(objnum + 1)) < 0) { + return FALSE; + } + offset += len; + } else { + FX_INT32 iSeg = m_IndexArray.GetSize() / 2; + for (FX_INT32 i = 0; i < iSeg; i++) { + if ((len = pFile->AppendDWord(m_IndexArray.ElementAt(i * 2))) < 0) { + return FALSE; + } + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return FALSE; + } + offset += len + 1; + if ((len = pFile->AppendDWord(m_IndexArray.ElementAt(i * 2 + 1))) < 0) { + return FALSE; + } + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return FALSE; + } + offset += len + 1; + } + } + if (pFile->AppendString(FX_BSTRC("]/Size ")) < 0) { + return FALSE; + } + if ((len = pFile->AppendDWord(objnum + 1)) < 0) { + return FALSE; + } + offset += len + 7; + if (m_PrevOffset > 0) { + if (pFile->AppendString(FX_BSTRC("/Prev ")) < 0) { + return -1; + } + FX_CHAR offset_buf[20]; + FXSYS_memset32(offset_buf, 0, sizeof(offset_buf)); + FXSYS_i64toa(m_PrevOffset, offset_buf, 10); + FX_INT32 len = (FX_INT32)FXSYS_strlen(offset_buf); + if (pFile->AppendBlock(offset_buf, len) < 0) { + return -1; + } + offset += len + 6; + } + FX_BOOL bPredictor = TRUE; + CPDF_FlateEncoder encoder; + encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(), pCreator->m_bCompress, bPredictor); + if (pCreator->m_bCompress) { + if (pFile->AppendString(FX_BSTRC("/Filter /FlateDecode")) < 0) { + return FALSE; + } + offset += 20; + if (bPredictor) { + if ((len = pFile->AppendString(FX_BSTRC("/DecodeParms<>"))) < 0) { + return FALSE; + } + offset += len; + } + } + if (pFile->AppendString(FX_BSTRC("/Length ")) < 0) { + return FALSE; + } + if ((len = pFile->AppendDWord(encoder.m_dwSize)) < 0) { + return FALSE; + } + offset += len + 8; + if (bEOF) { + if ((len = PDF_CreatorWriteTrailer(pCreator->m_pDocument, pFile, pCreator->m_pIDArray, pCreator->m_bCompress)) < 0) { + return -1; + } + offset += len; + if (pCreator->m_pEncryptDict) { + FX_DWORD dwEncryptObjNum = pCreator->m_pEncryptDict->GetObjNum(); + if (dwEncryptObjNum == 0) { + dwEncryptObjNum = pCreator->m_dwEnryptObjNum; + } + if ((len = PDF_CreatorWriteEncrypt(pCreator->m_pEncryptDict, dwEncryptObjNum, pFile)) < 0) { + return -1; + } + offset += len; + } + } + if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + return FALSE; + } + offset += len; + if (pFile->AppendBlock(encoder.m_pData, encoder.m_dwSize) < 0) { + return FALSE; + } + if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream\r\nendobj\r\n"))) < 0) { + return FALSE; + } + offset += encoder.m_dwSize + len; + m_PrevOffset = offset_tmp; + return TRUE; +} +FX_BOOL CPDF_XRefStream::End(CPDF_Creator *pCreator, FX_BOOL bEOF ) +{ + if (EndObjectStream(pCreator, bEOF) < 0) { + return FALSE; + } + return GenerateXRefStream(pCreator, bEOF); +} +FX_BOOL CPDF_XRefStream::EndXRefStream(CPDF_Creator* pCreator) +{ + if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) { + _AppendIndex0(m_Buffer); + for (FX_DWORD i = 1; i < pCreator->m_dwLastObjNum + 1; i++) { + FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(i); + if (offset) { + _AppendIndex1(m_Buffer, *offset); + } else { + _AppendIndex0(m_Buffer, FALSE); + } + } + } else { + FX_INT32 iSeg = m_IndexArray.GetSize() / 2; + for (int i = 0; i < iSeg; i++) { + FX_DWORD start = m_IndexArray.ElementAt(i * 2); + FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start; + for (FX_DWORD j = start; j < end; j++) { + _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[j]); + } + } + } + return GenerateXRefStream(pCreator, FALSE); +} +FX_BOOL CPDF_XRefStream::AddObjectNumberToIndexArray(FX_DWORD objnum) +{ + FX_INT32 iSize = m_IndexArray.GetSize(); + if (iSize == 0) { + m_IndexArray.Add(objnum); + m_IndexArray.Add(1); + } else { + FXSYS_assert(iSize > 1); + FX_DWORD startobjnum = m_IndexArray.ElementAt(iSize - 2); + FX_INT32 iCount = m_IndexArray.ElementAt(iSize - 1); + if (objnum == startobjnum + iCount) { + m_IndexArray[iSize - 1] = iCount + 1; + } else { + m_IndexArray.Add(objnum); + m_IndexArray.Add(1); + } + } + return TRUE; +} +CPDF_Creator::CPDF_Creator(CPDF_Document* pDoc) +{ + m_pDocument = pDoc; + m_pParser = (CPDF_Parser*)pDoc->m_pParser; + m_bCompress = TRUE; + if (m_pParser) { + m_pEncryptDict = m_pParser->GetEncryptDict(); + m_pCryptoHandler = m_pParser->GetCryptoHandler(); + } else { + m_pEncryptDict = NULL; + m_pCryptoHandler = NULL; + } + m_bSecurityChanged = FALSE; + m_bStandardSecurity = FALSE; + m_pMetadata = NULL; + m_bEncryptCloned = FALSE; + m_bEncryptMetadata = FALSE; + m_Offset = 0; + m_iStage = -1; + m_dwFlags = 0; + m_Pos = NULL; + m_XrefStart = 0; + m_pXRefStream = NULL; + m_ObjectStreamSize = 200; + m_dwLastObjNum = m_pDocument->GetLastObjNum(); + m_pIDArray = NULL; + m_FileVersion = 0; + m_dwEnryptObjNum = 0; + m_bNewCrypto = FALSE; +} +CPDF_Creator::~CPDF_Creator() +{ + ResetStandardSecurity(); + if (m_bEncryptCloned && m_pEncryptDict) { + m_pEncryptDict->Release(); + m_pEncryptDict = NULL; + } + Clear(); +} +static FX_BOOL _IsXRefNeedEnd(CPDF_XRefStream* pXRef, FX_DWORD flag) +{ + if (!(flag & FPDFCREATE_INCREMENTAL)) { + return FALSE; + } + FX_INT32 iSize = pXRef->m_IndexArray.GetSize() / 2; + FX_INT32 iCount = 0; + for (FX_INT32 i = 0; i < iSize; i++) { + iCount += pXRef->m_IndexArray.ElementAt(i * 2 + 1); + } + return (iCount >= PDF_XREFSTREAM_MAXSIZE); +} +FX_INT32 CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) +{ + if (!m_pXRefStream) { + return 1; + } + FX_DWORD objnum = pObj->GetObjNum(); + if (m_pParser && m_pParser->m_ObjVersion.GetSize() > (FX_INT32)objnum && m_pParser->m_ObjVersion[objnum] > 0) { + return 1; + } + if (pObj->GetType() == PDFOBJ_NUMBER) { + return 1; + } + CPDF_Dictionary *pDict = pObj->GetDict(); + if (pObj->GetType() == PDFOBJ_STREAM) { + if (pDict && pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("XRef")) { + return 0; + } + return 1; + } + if (pDict) { + if (pDict == m_pDocument->m_pRootDict || pDict == m_pEncryptDict) { + return 1; + } + if (IsSignatureDict(pDict)) { + return 1; + } + if (pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("Page")) { + return 1; + } + } + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + if (m_pXRefStream->CompressIndirectObject(objnum, pObj, this) < 0) { + return -1; + } + if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { + return 0; + } + if (!m_pXRefStream->End(this)) { + return -1; + } + if (!m_pXRefStream->Start()) { + return -1; + } + return 0; +} +FX_INT32 CPDF_Creator::WriteIndirectObjectToStream(FX_DWORD objnum, FX_LPCBYTE pBuffer, FX_DWORD dwSize) +{ + if (!m_pXRefStream) { + return 1; + } + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + FX_INT32 iRet = m_pXRefStream->CompressIndirectObject(objnum, pBuffer, dwSize, this); + if (iRet < 1) { + return iRet; + } + if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { + return 0; + } + if (!m_pXRefStream->End(this)) { + return -1; + } + if (!m_pXRefStream->Start()) { + return -1; + } + return 0; +} +FX_INT32 CPDF_Creator::AppendObjectNumberToXRef(FX_DWORD objnum) +{ + if (!m_pXRefStream) { + return 1; + } + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { + return 0; + } + if (!m_pXRefStream->End(this)) { + return -1; + } + if (!m_pXRefStream->Start()) { + return -1; + } + return 0; +} +FX_INT32 CPDF_Creator::WriteStream(const CPDF_Object* pStream, FX_DWORD objnum, CPDF_CryptoHandler* pCrypto) +{ + CPDF_FlateEncoder encoder; + encoder.Initialize((CPDF_Stream*)pStream, pStream == m_pMetadata ? FALSE : m_bCompress); + CPDF_Encryptor encryptor; + if(!encryptor.Initialize(pCrypto, objnum, encoder.m_pData, encoder.m_dwSize)) { + return -1; + } + if ((FX_DWORD)encoder.m_pDict->GetInteger(FX_BSTRC("Length")) != encryptor.m_dwSize) { + encoder.CloneDict(); + encoder.m_pDict->SetAtInteger(FX_BSTRC("Length"), encryptor.m_dwSize); + } + if (WriteDirectObj(objnum, encoder.m_pDict) < 0) { + return -1; + } + int len = m_File.AppendString(FX_BSTRC("stream\r\n")); + if (len < 0) { + return -1; + } + m_Offset += len; + if (m_File.AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { + return -1; + } + m_Offset += encryptor.m_dwSize; + if ((len = m_File.AppendString(FX_BSTRC("\r\nendstream"))) < 0) { + return -1; + } + m_Offset += len; + return 1; +} +FX_INT32 CPDF_Creator::WriteIndirectObj(FX_DWORD objnum, const CPDF_Object* pObj) +{ + FX_INT32 len = m_File.AppendDWord(objnum); + if (len < 0) { + return -1; + } + m_Offset += len; + if ((len = m_File.AppendString(FX_BSTRC(" 0 obj\r\n"))) < 0) { + return -1; + } + m_Offset += len; + if (pObj->GetType() == PDFOBJ_STREAM) { + CPDF_CryptoHandler *pHandler = NULL; + pHandler = (pObj == m_pMetadata && !m_bEncryptMetadata) ? NULL : m_pCryptoHandler; + if (WriteStream(pObj, objnum, pHandler) < 0) { + return -1; + } + } else { + if (WriteDirectObj(objnum, pObj) < 0) { + return -1; + } + } + if ((len = m_File.AppendString(FX_BSTRC("\r\nendobj\r\n"))) < 0) { + return -1; + } + m_Offset += len; + if (AppendObjectNumberToXRef(objnum) < 0) { + return -1; + } + return 0; +} +FX_INT32 CPDF_Creator::WriteIndirectObj(const CPDF_Object* pObj) +{ + FX_INT32 iRet = WriteIndirectObjectToStream(pObj); + if (iRet < 1) { + return iRet; + } + return WriteIndirectObj(pObj->GetObjNum(), pObj); +} +FX_INT32 CPDF_Creator::WriteDirectObj(FX_DWORD objnum, const CPDF_Object* pObj, FX_BOOL bEncrypt) +{ + FX_INT32 len = 0; + if (pObj == NULL) { + if (m_File.AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + m_Offset += 5; + return 1; + } + switch (pObj->GetType()) { + case PDFOBJ_NULL: + if (m_File.AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + m_Offset += 5; + break; + case PDFOBJ_BOOLEAN: + case PDFOBJ_NUMBER: + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = m_File.AppendString(pObj->GetString())) < 0) { + return -1; + } + m_Offset += len + 1; + break; + case PDFOBJ_STRING: { + CFX_ByteString str = pObj->GetString(); + FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex(); + if (m_pCryptoHandler == NULL || !bEncrypt) { + CFX_ByteString content = PDF_EncodeString(str, bHex); + if ((len = m_File.AppendString(content)) < 0) { + return -1; + } + m_Offset += len; + break; + } + CPDF_Encryptor encryptor; + encryptor.Initialize(m_pCryptoHandler, objnum, (FX_LPBYTE)(FX_LPCSTR)str, str.GetLength()); + CFX_ByteString content = PDF_EncodeString(CFX_ByteString((FX_LPCSTR)encryptor.m_pData, encryptor.m_dwSize), bHex); + if ((len = m_File.AppendString(content)) < 0) { + return -1; + } + m_Offset += len; + break; + } + case PDFOBJ_STREAM: { + CPDF_FlateEncoder encoder; + encoder.Initialize((CPDF_Stream*)pObj, m_bCompress); + CPDF_Encryptor encryptor; + CPDF_CryptoHandler* pHandler = m_pCryptoHandler; + encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize); + if ((FX_DWORD)encoder.m_pDict->GetInteger(FX_BSTRC("Length")) != encryptor.m_dwSize) { + encoder.CloneDict(); + encoder.m_pDict->SetAtInteger(FX_BSTRC("Length"), encryptor.m_dwSize); + } + if (WriteDirectObj(objnum, encoder.m_pDict) < 0) { + return -1; + } + if ((len = m_File.AppendString(FX_BSTRC("stream\r\n"))) < 0) { + return -1; + } + m_Offset += len; + if (m_File.AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { + return -1; + } + m_Offset += encryptor.m_dwSize; + if ((len = m_File.AppendString(FX_BSTRC("\r\nendstream"))) < 0) { + return -1; + } + m_Offset += len; + break; + } + case PDFOBJ_NAME: { + if (m_File.AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + CFX_ByteString str = pObj->GetString(); + if ((len = m_File.AppendString(PDF_NameEncode(str))) < 0) { + return -1; + } + m_Offset += len + 1; + break; + } + case PDFOBJ_REFERENCE: { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + CPDF_Reference* p = (CPDF_Reference*)pObj; + if ((len = m_File.AppendDWord(p->GetRefObjNum())) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + m_Offset += len + 5; + break; + } + case PDFOBJ_ARRAY: { + if (m_File.AppendString(FX_BSTRC("[")) < 0) { + return -1; + } + m_Offset += 1; + CPDF_Array* p = (CPDF_Array*)pObj; + for (FX_DWORD i = 0; i < p->GetCount(); i ++) { + CPDF_Object* pElement = p->GetElement(i); + if (pElement->GetObjNum()) { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = m_File.AppendDWord(pElement->GetObjNum())) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + m_Offset += len + 5; + } else { + if (WriteDirectObj(objnum, pElement) < 0) { + return -1; + } + } + } + if (m_File.AppendString(FX_BSTRC("]")) < 0) { + return -1; + } + m_Offset += 1; + break; + } + case PDFOBJ_DICTIONARY: { + if (m_pCryptoHandler == NULL || pObj == m_pEncryptDict) { + return PDF_CreatorAppendObject(pObj, &m_File, m_Offset); + } + if (m_File.AppendString(FX_BSTRC("<<")) < 0) { + return -1; + } + m_Offset += 2; + CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + FX_BOOL bSignDict = IsSignatureDict(p); + FX_POSITION pos = p->GetStartPos(); + while (pos) { + FX_BOOL bSignValue = FALSE; + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (m_File.AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + if ((len = m_File.AppendString(PDF_NameEncode(key))) < 0) { + return -1; + } + m_Offset += len + 1; + if (bSignDict && key == FX_BSTRC("Contents")) { + bSignValue = TRUE; + } + if (pValue->GetObjNum()) { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = m_File.AppendDWord(pValue->GetObjNum())) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + m_Offset += len + 6; + } else { + if (WriteDirectObj(objnum, pValue, !bSignValue) < 0) { + return -1; + } + } + } + if (m_File.AppendString(FX_BSTRC(">>")) < 0) { + return -1; + } + m_Offset += 2; + break; + } + } + return 1; +} +FX_INT32 CPDF_Creator::WriteOldIndirectObject(FX_DWORD objnum) +{ + if(m_pParser->m_V5Type[objnum] == 0 || m_pParser->m_V5Type[objnum] == 255) { + return 0; + } + m_ObjectOffset[objnum] = m_Offset; + FX_LPVOID valuetemp = NULL; + FX_BOOL bExistInMap = m_pDocument->m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, valuetemp); + FX_BOOL bObjStm = (m_pParser->m_V5Type[objnum] == 2) && m_pEncryptDict && !m_pXRefStream; + if(m_pParser->m_bVersionUpdated || m_bSecurityChanged || bExistInMap || bObjStm) { + CPDF_Object* pObj = m_pDocument->GetIndirectObject(objnum); + if (pObj == NULL) { + m_ObjectOffset[objnum] = 0; + m_ObjectSize[objnum] = 0; + return 0; + } + if (WriteIndirectObj(pObj)) { + return -1; + } + if (!bExistInMap) { + m_pDocument->ReleaseIndirectObject(objnum); + } + } else { + FX_BYTE* pBuffer; + FX_DWORD size; + m_pParser->GetIndirectBinary(objnum, pBuffer, size); + if (pBuffer == NULL) { + return 0; + } + if (m_pParser->m_V5Type[objnum] == 2) { + if (m_pXRefStream) { + if (WriteIndirectObjectToStream(objnum, pBuffer, size) < 0) { + FX_Free(pBuffer); + return -1; + } + } else { + FX_INT32 len = m_File.AppendDWord(objnum); + if (len < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 obj ")) < 0) { + return -1; + } + m_Offset += len + 7; + if (m_File.AppendBlock(pBuffer, size) < 0) { + return -1; + } + m_Offset += size; + if (m_File.AppendString(FX_BSTRC("\r\nendobj\r\n")) < 0) { + return -1; + } + m_Offset += 10; + } + } else { + if (m_File.AppendBlock(pBuffer, size) < 0) { + return -1; + } + m_Offset += size; + if(AppendObjectNumberToXRef(objnum) < 0) { + return -1; + } + } + FX_Free(pBuffer); + } + return 1; +} +FX_INT32 CPDF_Creator::WriteOldObjs(IFX_Pause *pPause) +{ + FX_DWORD nOldSize = m_pParser->m_CrossRef.GetSize(); + FX_DWORD objnum = (FX_DWORD)(FX_UINTPTR)m_Pos; + for(; objnum < nOldSize; objnum ++) { + FX_INT32 iRet = WriteOldIndirectObject(objnum); + if (!iRet) { + continue; + } + if (iRet < 0) { + return iRet; + } + m_ObjectSize[objnum] = (FX_DWORD)(m_Offset - m_ObjectOffset[objnum]); + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (FX_LPVOID)(FX_UINTPTR)(objnum + 1); + return 1; + } + } + return 0; +} +FX_INT32 CPDF_Creator::WriteNewObjs(FX_BOOL bIncremental, IFX_Pause *pPause) +{ + FX_INT32 iCount = m_NewObjNumArray.GetSize(); + FX_INT32 index = (FX_INT32)(FX_UINTPTR)m_Pos; + while (index < iCount) { + FX_DWORD objnum = m_NewObjNumArray.ElementAt(index); + CPDF_Object *pObj = NULL; + m_pDocument->m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, (FX_LPVOID&)pObj); + if (NULL == pObj) { + ++index; + continue; + } + m_ObjectOffset[objnum] = m_Offset; + if (WriteIndirectObj(pObj)) { + return -1; + } + m_ObjectSize[objnum] = (FX_DWORD)(m_Offset - m_ObjectOffset[objnum]); + index++; + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (FX_POSITION)(FX_UINTPTR)index; + return 1; + } + } + return 0; +} +void CPDF_Creator::InitOldObjNumOffsets() +{ + if (!m_pParser) { + return; + } + FX_DWORD j = 0; + FX_DWORD dwStart = 0; + FX_DWORD dwEnd = m_pParser->GetLastObjNum(); + while (dwStart <= dwEnd) { + while (dwStart <= dwEnd && (m_pParser->m_V5Type[dwStart] == 0 || m_pParser->m_V5Type[dwStart] == 255)) { + dwStart++; + } + if (dwStart > dwEnd) { + break; + } + j = dwStart; + while (j <= dwEnd && m_pParser->m_V5Type[j] != 0 && m_pParser->m_V5Type[j] != 255) { + j++; + } + m_ObjectOffset.Add(dwStart, j - dwStart); + m_ObjectSize.Add(dwStart, j - dwStart); + dwStart = j; + } +} +void CPDF_Creator::InitNewObjNumOffsets() +{ + FX_BOOL bIncremental = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0; + FX_BOOL bNoOriginal = (m_dwFlags & FPDFCREATE_NO_ORIGINAL) != 0; + FX_DWORD nOldSize = m_pParser ? m_pParser->m_CrossRef.GetSize() : 0; + FX_POSITION pos = m_pDocument->m_IndirectObjs.GetStartPosition(); + while (pos) { + size_t key = 0; + CPDF_Object* pObj; + m_pDocument->m_IndirectObjs.GetNextAssoc(pos, (FX_LPVOID&)key, (FX_LPVOID&)pObj); + FX_DWORD objnum = (FX_DWORD)key; + if (pObj->GetObjNum() == -1) { + continue; + } + if (bIncremental) { + if (!pObj->IsModified()) { + continue; + } + } else { + if (objnum < nOldSize && m_pParser->m_V5Type[objnum] != 0) { + continue; + } + } + AppendNewObjNum(objnum); + } + FX_INT32 iCount = m_NewObjNumArray.GetSize(); + if (iCount == 0) { + return; + } + FX_INT32 i = 0; + FX_DWORD dwStartObjNum = 0; + FX_BOOL bCrossRefValid = m_pParser && m_pParser->GetLastXRefOffset() > 0; + while (i < iCount) { + dwStartObjNum = m_NewObjNumArray.ElementAt(i); + if ((bIncremental && (bNoOriginal || bCrossRefValid)) || !m_ObjectOffset.GetPtrAt(dwStartObjNum)) { + break; + } + i++; + } + if (i >= iCount) { + return; + } + FX_DWORD dwLastObjNum = dwStartObjNum; + i++; + FX_BOOL bNewStart = FALSE; + for (; i < iCount; i++) { + FX_DWORD dwCurObjNum = m_NewObjNumArray.ElementAt(i); + FX_BOOL bExist = (dwCurObjNum < nOldSize && m_ObjectOffset.GetPtrAt(dwCurObjNum) != NULL); + if (bExist || dwCurObjNum - dwLastObjNum > 1) { + if (!bNewStart) { + m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + m_ObjectSize.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + } + dwStartObjNum = dwCurObjNum; + } + if (bNewStart) { + dwStartObjNum = dwCurObjNum; + } + bNewStart = bExist; + dwLastObjNum = dwCurObjNum; + } + m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + m_ObjectSize.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); +} +void CPDF_Creator::AppendNewObjNum(FX_DWORD objbum) +{ + FX_INT32 iStart = 0, iFind = 0; + FX_INT32 iEnd = m_NewObjNumArray.GetUpperBound(); + while (iStart <= iEnd) { + FX_INT32 iMid = (iStart + iEnd) / 2; + FX_DWORD dwMid = m_NewObjNumArray.ElementAt(iMid); + if (objbum < dwMid) { + iEnd = iMid - 1; + } else { + if (iMid == iEnd) { + iFind = iMid + 1; + break; + } + FX_DWORD dwNext = m_NewObjNumArray.ElementAt(iMid + 1); + if (objbum < dwNext) { + iFind = iMid + 1; + break; + } + iStart = iMid + 1; + } + } + m_NewObjNumArray.InsertAt(iFind, objbum); +} +FX_INT32 CPDF_Creator::WriteDoc_Stage1(IFX_Pause *pPause) +{ + FXSYS_assert(m_iStage > -1 || m_iStage < 20); + if (m_iStage == 0) { + if (m_pParser == NULL) { + m_dwFlags &= ~FPDFCREATE_INCREMENTAL; + } + if (m_bSecurityChanged && (m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0) { + m_dwFlags &= ~FPDFCREATE_INCREMENTAL; + } + m_pMetadata = m_pDocument->GetRoot()->GetElementValue(FX_BSTRC("Metadata")); + if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) { + m_pXRefStream = FX_NEW CPDF_XRefStream; + m_pXRefStream->Start(); + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser) { + FX_FILESIZE prev = m_pParser->GetLastXRefOffset(); + m_pXRefStream->m_PrevOffset = prev; + } + } + m_iStage = 10; + } + if (m_iStage == 10) { + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0) { + if (m_File.AppendString(FX_BSTRC("%PDF-1.")) < 0) { + return -1; + } + m_Offset += 7; + FX_INT32 version = 7; + if (m_FileVersion) { + version = m_FileVersion; + } else if (m_pParser) { + version = m_pParser->GetFileVersion(); + } + FX_INT32 len = m_File.AppendDWord(version % 10); + if (len < 0) { + return -1; + } + m_Offset += len; + if ((len = m_File.AppendString(FX_BSTRC("\r\n%\xA1\xB3\xC5\xD7\r\n"))) < 0) { + return -1; + } + m_Offset += len; + InitOldObjNumOffsets(); + m_iStage = 20; + } else { + IFX_FileRead* pSrcFile = m_pParser->GetFileAccess(); + m_Offset = pSrcFile->GetSize(); + m_Pos = (FX_LPVOID)(FX_UINTPTR)m_Offset; + m_iStage = 15; + } + } + if (m_iStage == 15) { + if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_Pos) { + IFX_FileRead* pSrcFile = m_pParser->GetFileAccess(); + FX_BYTE buffer[4096]; + FX_DWORD src_size = (FX_DWORD)(FX_UINTPTR)m_Pos; + while (src_size) { + FX_DWORD block_size = src_size > 4096 ? 4096 : src_size; + if (!pSrcFile->ReadBlock(buffer, m_Offset - src_size, block_size)) { + return -1; + } + if (m_File.AppendBlock(buffer, block_size) < 0) { + return -1; + } + src_size -= block_size; + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (FX_LPVOID)(FX_UINTPTR)src_size; + return 1; + } + } + } + if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_pParser->GetLastXRefOffset() == 0) { + InitOldObjNumOffsets(); + FX_DWORD dwEnd = m_pParser->GetLastObjNum(); + FX_BOOL bObjStm = (m_dwFlags & FPDFCREATE_OBJECTSTREAM) != 0; + for (FX_DWORD objnum = 0; objnum <= dwEnd; objnum++) { + if (m_pParser->m_V5Type[objnum] == 0 || m_pParser->m_V5Type[objnum] == 255) { + continue; + } + m_ObjectOffset[objnum] = m_pParser->m_CrossRef[objnum]; + if (bObjStm) { + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + } + } + if (bObjStm) { + m_pXRefStream->EndXRefStream(this); + m_pXRefStream->Start(); + } + } + m_iStage = 20; + } + InitNewObjNumOffsets(); + return m_iStage; +} +FX_INT32 CPDF_Creator::WriteDoc_Stage2(IFX_Pause *pPause) +{ + FXSYS_assert(m_iStage >= 20 || m_iStage < 30); + if (m_iStage == 20) { + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 && m_pParser) { + m_Pos = (FX_LPVOID)(FX_UINTPTR)0; + m_iStage = 21; + } else { + m_iStage = 25; + } + } + if (m_iStage == 21) { + FX_INT32 iRet = WriteOldObjs(pPause); + if (iRet) { + return iRet; + } + m_iStage = 25; + } + if (m_iStage == 25) { + m_Pos = (FX_LPVOID)(FX_UINTPTR)0; + m_iStage = 26; + } + if (m_iStage == 26) { + FX_INT32 iRet = WriteNewObjs((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0, pPause); + if (iRet) { + return iRet; + } + m_iStage = 27; + } + if (m_iStage == 27) { + if (NULL != m_pEncryptDict && 0 == m_pEncryptDict->GetObjNum()) { + m_dwLastObjNum += 1; + FX_FILESIZE saveOffset = m_Offset; + if (WriteIndirectObj(m_dwLastObjNum, m_pEncryptDict) < 0) { + return -1; + } + m_ObjectOffset.Add(m_dwLastObjNum, 1); + m_ObjectOffset[m_dwLastObjNum] = saveOffset; + m_ObjectSize.Add(m_dwLastObjNum, 1); + m_ObjectSize[m_dwLastObjNum] = m_Offset - saveOffset; + m_dwEnryptObjNum = m_dwLastObjNum; + if (m_dwFlags & FPDFCREATE_INCREMENTAL) { + m_NewObjNumArray.Add(m_dwLastObjNum); + } + } + m_iStage = 80; + } + return m_iStage; +} +FX_INT32 CPDF_Creator::WriteDoc_Stage3(IFX_Pause *pPause) +{ + FXSYS_assert(m_iStage >= 80 || m_iStage < 90); + FX_DWORD dwLastObjNum = m_dwLastObjNum; + if (m_iStage == 80) { + m_XrefStart = m_Offset; + if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) { + m_pXRefStream->End(this, TRUE); + m_XrefStart = m_pXRefStream->m_PrevOffset; + m_iStage = 90; + } else if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 || !m_pParser->IsXRefStream()) { + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 || m_pParser->GetLastXRefOffset() == 0) { + CFX_ByteString str; + str = m_ObjectOffset.GetPtrAt(1) ? FX_BSTRC("xref\r\n") : FX_BSTRC("xref\r\n0 1\r\n0000000000 65536 f\r\n"); + if (m_File.AppendString(str) < 0) { + return -1; + } + m_Pos = (FX_LPVOID)(FX_UINTPTR)1; + m_iStage = 81; + } else { + if (m_File.AppendString(FX_BSTRC("xref\r\n")) < 0) { + return -1; + } + m_Pos = (FX_LPVOID)(FX_UINTPTR)0; + m_iStage = 82; + } + } else { + m_iStage = 90; + } + } + if (m_iStage == 81) { + CFX_ByteString str; + FX_DWORD i = (FX_DWORD)(FX_UINTPTR)m_Pos, j; + while (i <= dwLastObjNum) { + while (i <= dwLastObjNum && !m_ObjectOffset.GetPtrAt(i)) { + i++; + } + if (i > dwLastObjNum) { + break; + } + j = i; + while (j <= dwLastObjNum && m_ObjectOffset.GetPtrAt(j)) { + j++; + } + if (i == 1) { + str.Format("0 %d\r\n0000000000 65536 f\r\n", j); + } else { + str.Format("%d %d\r\n", i, j - i); + } + if (m_File.AppendBlock((FX_LPCSTR)str, str.GetLength()) < 0) { + return -1; + } + while (i < j) { + str.Format("%010d 00000 n\r\n", m_ObjectOffset[i ++]); + if (m_File.AppendBlock((FX_LPCSTR)str, str.GetLength()) < 0) { + return -1; + } + } + if (i > dwLastObjNum) { + break; + } + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (FX_LPVOID)(FX_UINTPTR)i; + return 1; + } + } + m_iStage = 90; + } + if (m_iStage == 82) { + CFX_ByteString str; + FX_INT32 iCount = m_NewObjNumArray.GetSize(); + FX_INT32 i = (FX_INT32)(FX_UINTPTR)m_Pos; + while (i < iCount) { + FX_INT32 j = i; + FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); + while (j < iCount) { + if (++j == iCount) { + break; + } + FX_DWORD dwCurrent = m_NewObjNumArray.ElementAt(j); + if (dwCurrent - objnum > 1) { + break; + } + objnum = dwCurrent; + } + objnum = m_NewObjNumArray.ElementAt(i); + if (objnum == 1) { + str.Format("0 %d\r\n0000000000 65536 f\r\n", j - i + 1); + } else { + str.Format("%d %d\r\n", objnum, j - i); + } + if (m_File.AppendBlock((FX_LPCSTR)str, str.GetLength()) < 0) { + return -1; + } + while (i < j) { + objnum = m_NewObjNumArray.ElementAt(i++); + str.Format("%010d 00000 n\r\n", m_ObjectOffset[objnum]); + if (m_File.AppendBlock((FX_LPCSTR)str, str.GetLength()) < 0) { + return -1; + } + } + if (pPause && (i % 100) == 0 && pPause->NeedToPauseNow()) { + m_Pos = (FX_LPVOID)(FX_UINTPTR)i; + return 1; + } + } + m_iStage = 90; + } + return m_iStage; +} +static FX_INT32 _OutPutIndex(CFX_FileBufferArchive* pFile, FX_FILESIZE offset) +{ + FXSYS_assert(pFile); + if (sizeof(offset) > 4) { + if (FX_GETBYTEOFFSET32(offset)) { + if (pFile->AppendByte(FX_GETBYTEOFFSET56(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET48(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET40(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET32(offset)) < 0) { + return -1; + } + } + } + if (pFile->AppendByte(FX_GETBYTEOFFSET24(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET16(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET8(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET0(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(0) < 0) { + return -1; + } + return 0; +} +FX_INT32 CPDF_Creator::WriteDoc_Stage4(IFX_Pause *pPause) +{ + FXSYS_assert(m_iStage >= 90); + if ((m_dwFlags & FPDFCREATE_OBJECTSTREAM) == 0) { + FX_BOOL bXRefStream = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser->IsXRefStream(); + if (!bXRefStream) { + if (m_File.AppendString(FX_BSTRC("trailer\r\n<<")) < 0) { + return -1; + } + } else { + if (m_File.AppendDWord(m_pDocument->m_LastObjNum + 1) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 obj <<")) < 0) { + return -1; + } + } + if (m_pParser) { + CPDF_Dictionary* p = m_pParser->m_pTrailer; + FX_POSITION pos = p->GetStartPos(); + while (pos) { + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (key == FX_BSTRC("Encrypt") || key == FX_BSTRC("Size") || key == FX_BSTRC("Filter") || + key == FX_BSTRC("Index") || key == FX_BSTRC("Length") || key == FX_BSTRC("Prev") || + key == FX_BSTRC("W") || key == FX_BSTRC("XRefStm") || key == FX_BSTRC("ID")) { + continue; + } + if (m_File.AppendString((FX_BSTRC("/"))) < 0) { + return -1; + } + if (m_File.AppendString(PDF_NameEncode(key)) < 0) { + return -1; + } + if (pValue->GetObjNum()) { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if (m_File.AppendDWord(pValue->GetObjNum()) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + } else { + FX_FILESIZE offset = 0; + if (PDF_CreatorAppendObject(pValue, &m_File, offset) < 0) { + return -1; + } + } + } + } else { + if (m_File.AppendString(FX_BSTRC("\r\n/Root ")) < 0) { + return -1; + } + if (m_File.AppendDWord(m_pDocument->m_pRootDict->GetObjNum()) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; + } + if (m_pDocument->m_pInfoDict) { + if (m_File.AppendString(FX_BSTRC("/Info ")) < 0) { + return -1; + } + if (m_File.AppendDWord(m_pDocument->m_pInfoDict->GetObjNum()) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; + } + } + } + if (m_pEncryptDict) { + if (m_File.AppendString(FX_BSTRC("/Encrypt")) < 0) { + return -1; + } + FX_DWORD dwObjNum = m_pEncryptDict->GetObjNum(); + if (dwObjNum == 0) { + dwObjNum = m_pDocument->GetLastObjNum() + 1; + } + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if (m_File.AppendDWord(dwObjNum) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + } + if (m_File.AppendString(FX_BSTRC("/Size ")) < 0) { + return -1; + } + if (m_File.AppendDWord(m_dwLastObjNum + (bXRefStream ? 2 : 1)) < 0) { + return -1; + } + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0) { + FX_FILESIZE prev = m_pParser->GetLastXRefOffset(); + if (prev) { + if (m_File.AppendString(FX_BSTRC("/Prev ")) < 0) { + return -1; + } + FX_CHAR offset_buf[20]; + FXSYS_memset32(offset_buf, 0, sizeof(offset_buf)); + FXSYS_i64toa(prev, offset_buf, 10); + if (m_File.AppendBlock(offset_buf, FXSYS_strlen(offset_buf)) < 0) { + return -1; + } + } + } + if (m_pIDArray) { + if (m_File.AppendString((FX_BSTRC("/ID"))) < 0) { + return -1; + } + FX_FILESIZE offset = 0; + if (PDF_CreatorAppendObject(m_pIDArray, &m_File, offset) < 0) { + return -1; + } + } + if (!bXRefStream) { + if (m_File.AppendString(FX_BSTRC(">>")) < 0) { + return -1; + } + } else { + if (m_File.AppendString(FX_BSTRC("/W[0 4 1]/Index[")) < 0) { + return -1; + } + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser && m_pParser->GetLastXRefOffset() == 0) { + FX_DWORD i = 0; + for (i = 0; i < m_dwLastObjNum; i++) { + if (!m_ObjectOffset.GetPtrAt(i)) { + continue; + } + if (m_File.AppendDWord(i) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 1 ")) < 0) { + return -1; + } + } + if (m_File.AppendString(FX_BSTRC("]/Length ")) < 0) { + return -1; + } + if (m_File.AppendDWord(m_dwLastObjNum * 5) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(">>stream\r\n")) < 0) { + return -1; + } + for (i = 0; i < m_dwLastObjNum; i++) { + FX_FILESIZE* offset = m_ObjectOffset.GetPtrAt(i); + if (!offset) { + continue; + } + _OutPutIndex(&m_File, *offset); + } + } else { + int count = m_NewObjNumArray.GetSize(); + FX_INT32 i = 0; + for (i = 0; i < count; i++) { + FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); + if (m_File.AppendDWord(objnum) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 1 ")) < 0) { + return -1; + } + } + if (m_File.AppendString(FX_BSTRC("]/Length ")) < 0) { + return -1; + } + if (m_File.AppendDWord(count * 5) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(">>stream\r\n")) < 0) { + return -1; + } + for (i = 0; i < count; i++) { + FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); + FX_FILESIZE offset = m_ObjectOffset[objnum]; + _OutPutIndex(&m_File, offset); + } + } + if (m_File.AppendString(FX_BSTRC("\r\nendstream")) < 0) { + return -1; + } + } + } + if (m_File.AppendString(FX_BSTRC("\r\nstartxref\r\n")) < 0) { + return -1; + } + FX_CHAR offset_buf[20]; + FXSYS_memset32(offset_buf, 0, sizeof(offset_buf)); + FXSYS_i64toa(m_XrefStart, offset_buf, 10); + if (m_File.AppendBlock(offset_buf, FXSYS_strlen(offset_buf)) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC("\r\n%%EOF\r\n")) < 0) { + return -1; + } + m_File.Flush(); + return m_iStage = 100; +} +void CPDF_Creator::Clear() +{ + if (m_pXRefStream) { + delete m_pXRefStream; + m_pXRefStream = NULL; + } + m_File.Clear(); + m_NewObjNumArray.RemoveAll(); + if (m_pIDArray) { + m_pIDArray->Release(); + m_pIDArray = NULL; + } +} +FX_BOOL CPDF_Creator::Create(FX_LPCSTR filename, FX_DWORD flags) +{ + if (!m_File.AttachFile(filename)) { + return FALSE; + } + FX_BOOL bRet = Create(flags); + if (!bRet || !(flags & FPDFCREATE_PROGRESSIVE)) { + Clear(); + } + return bRet; +} +FX_BOOL CPDF_Creator::Create(FX_LPCWSTR filename, FX_DWORD flags) +{ + if (!m_File.AttachFile(filename)) { + return FALSE; + } + FX_BOOL bRet = Create(flags); + if (!bRet || !(flags & FPDFCREATE_PROGRESSIVE)) { + Clear(); + } + return bRet; +} +FX_BOOL CPDF_Creator::Create(IFX_StreamWrite* pFile, FX_DWORD flags) +{ + if (!pFile) { + return FALSE; + } + if (!m_File.AttachFile(pFile, FALSE)) { + return FALSE; + } + return Create(flags); +} +FX_BOOL CPDF_Creator::Create(FX_DWORD flags) +{ + m_dwFlags = flags; + m_iStage = 0; + m_Offset = 0; + m_dwLastObjNum = m_pDocument->GetLastObjNum(); + m_ObjectOffset.Clear(); + m_ObjectSize.Clear(); + m_NewObjNumArray.RemoveAll(); + InitID(); + if (flags & FPDFCREATE_PROGRESSIVE) { + return TRUE; + } + return Continue(NULL) > -1; +} +void CPDF_Creator::InitID(FX_BOOL bDefault ) +{ + CPDF_Array* pOldIDArray = m_pParser ? m_pParser->GetIDArray() : NULL; + FX_BOOL bNewId = !m_pIDArray; + if (!m_pIDArray) { + FX_LPDWORD pBuffer = NULL; + m_pIDArray = CPDF_Array::Create(); + CPDF_Object* pID1 = pOldIDArray->GetElement(0); + if (pID1) { + m_pIDArray->Add(pID1->Clone()); + } else { + pBuffer = FX_Alloc(FX_DWORD, 4); + PDF_GenerateFileID((FX_DWORD)(FX_UINTPTR)this, m_dwLastObjNum, pBuffer); + CFX_ByteStringC bsBuffer((FX_LPCBYTE)pBuffer, 4 * sizeof(FX_DWORD)); + m_pIDArray->Add(CPDF_String::Create(bsBuffer, TRUE), m_pDocument); + } + if (pBuffer) { + FX_Free(pBuffer); + } + } + if (!bDefault) { + return; + } + if (pOldIDArray) { + CPDF_Object* pID2 = pOldIDArray->GetElement(1); + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) && m_pEncryptDict && pID2) { + m_pIDArray->Add(pID2->Clone()); + return; + } + FX_LPDWORD pBuffer = FX_Alloc(FX_DWORD, 4); + PDF_GenerateFileID((FX_DWORD)(FX_UINTPTR)this, m_dwLastObjNum, pBuffer); + CFX_ByteStringC bsBuffer((FX_LPCBYTE)pBuffer, 4 * sizeof(FX_DWORD)); + m_pIDArray->Add(CPDF_String::Create(bsBuffer, TRUE), m_pDocument); + FX_Free(pBuffer); + return; + } + m_pIDArray->Add(m_pIDArray->GetElement(0)->Clone()); + if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) { + if (m_pEncryptDict->GetString(FX_BSTRC("Filter")) == FX_BSTRC("Standard")) { + CPDF_StandardSecurityHandler handler; + CFX_ByteString user_pass = m_pParser->GetPassword(); + FX_DWORD flag = PDF_ENCRYPT_CONTENT; + handler.OnCreate(m_pEncryptDict, m_pIDArray, (FX_LPCBYTE)user_pass, user_pass.GetLength(), flag); + if (m_pCryptoHandler && m_bNewCrypto) { + delete m_pCryptoHandler; + } + m_pCryptoHandler = FX_NEW CPDF_StandardCryptoHandler; + m_pCryptoHandler->Init(m_pEncryptDict, &handler); + m_bNewCrypto = TRUE; + m_bSecurityChanged = TRUE; + } + } +} +FX_INT32 CPDF_Creator::Continue(IFX_Pause *pPause) +{ + if (m_iStage < 0) { + return m_iStage; + } + FX_INT32 iRet; + while (m_iStage < 100) { + if (m_iStage < 20) { + iRet = WriteDoc_Stage1(pPause); + } else if (m_iStage < 30) { + iRet = WriteDoc_Stage2(pPause); + } else if (m_iStage < 90) { + iRet = WriteDoc_Stage3(pPause); + } else { + iRet = WriteDoc_Stage4(pPause); + } + if (iRet < m_iStage) { + break; + } + } + if (iRet < 1 || m_iStage == 100) { + m_iStage = -1; + Clear(); + return iRet > 99 ? 0 : (iRet < 1 ? -1 : iRet); + } + return m_iStage; +} +FX_BOOL CPDF_Creator::SetFileVersion(FX_INT32 fileVersion ) +{ + if (fileVersion < 10 || fileVersion > 17) { + return FALSE; + } + m_FileVersion = fileVersion; + return TRUE; +} +void CPDF_Creator::ResetStandardSecurity() +{ + if ((m_bStandardSecurity || m_bNewCrypto) && m_pCryptoHandler) { + delete m_pCryptoHandler; + m_pCryptoHandler = NULL; + } + m_bNewCrypto = FALSE; + if (!m_bStandardSecurity) { + return; + } + if (m_pEncryptDict) { + m_pEncryptDict->Release(); + m_pEncryptDict = NULL; + } + m_bStandardSecurity = FALSE; +} diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp new file mode 100644 index 0000000000..9157b96420 --- /dev/null +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp @@ -0,0 +1,1205 @@ +// 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 "../../../include/fpdfapi/fpdf_page.h" +#include "../../../include/fpdfapi/fpdf_module.h" +#include "../fpdf_page/pageint.h" +#include +CPDF_Document::CPDF_Document() : CPDF_IndirectObjects(NULL) +{ + m_pRootDict = NULL; + m_pInfoDict = NULL; + m_bLinearized = FALSE; + m_dwFirstPageNo = 0; + m_dwFirstPageObjNum = 0; + m_pDocPage = CPDF_ModuleMgr::Get()->GetPageModule()->CreateDocData(this); + m_pDocRender = CPDF_ModuleMgr::Get()->GetRenderModule()->CreateDocData(this); +} +void CPDF_Document::CreateNewDoc() +{ + ASSERT(m_pRootDict == NULL && m_pInfoDict == NULL); + m_pRootDict = FX_NEW CPDF_Dictionary; + m_pRootDict->SetAtName("Type", "Catalog"); + int objnum = AddIndirectObject(m_pRootDict); + CPDF_Dictionary* pPages = FX_NEW CPDF_Dictionary; + pPages->SetAtName("Type", "Pages"); + pPages->SetAtNumber("Count", 0); + pPages->SetAt("Kids", FX_NEW CPDF_Array); + objnum = AddIndirectObject(pPages); + m_pRootDict->SetAtReference("Pages", this, objnum); + m_pInfoDict = FX_NEW CPDF_Dictionary; + AddIndirectObject(m_pInfoDict); +} +static const FX_WCHAR g_FX_CP874Unicodes[128] = { + 0x20AC, 0x0000, 0x0000, 0x0000, 0x0000, 0x2026, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x00A0, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07, + 0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F, + 0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17, + 0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F, + 0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27, + 0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F, + 0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37, + 0x0E38, 0x0E39, 0x0E3A, 0x0000, 0x0000, 0x0000, 0x0000, 0x0E3F, + 0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47, + 0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F, + 0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57, + 0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0x0000, 0x0000, 0x0000, 0x0000, +}; +static const FX_WCHAR g_FX_CP1250Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021, + 0x0000, 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179, + 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x0000, 0x2122, 0x0161, 0x203A, 0x015B, 0x0165, 0x017E, 0x017A, + 0x00A0, 0x02C7, 0x02D8, 0x0141, 0x00A4, 0x0104, 0x00A6, 0x00A7, + 0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x017B, + 0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, 0x00B6, 0x00B7, + 0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, 0x017C, + 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7, + 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E, + 0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7, + 0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF, + 0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7, + 0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F, + 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7, + 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9, +}; +static const FX_WCHAR g_FX_CP1251Unicodes[128] = { + 0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021, + 0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F, + 0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x0000, 0x2122, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F, + 0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7, + 0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407, + 0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7, + 0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457, + 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, + 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, + 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, + 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, + 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, + 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, + 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, + 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, +}; +static const FX_WCHAR g_FX_CP1253Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, + 0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000, + 0x00A0, 0x0385, 0x0386, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, + 0x00A8, 0x00A9, 0x0000, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015, + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, 0x00B6, 0x00B7, + 0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F, + 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, + 0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, + 0x03A0, 0x03A1, 0x0000, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, + 0x03A8, 0x03A9, 0x03AA, 0x03AB, 0x03AC, 0x03AD, 0x03AE, 0x03AF, + 0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, + 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, + 0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, + 0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x0000, +}; +static const FX_WCHAR g_FX_CP1254Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, + 0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000, + 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178, + 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, + 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, + 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, + 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7, + 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF, + 0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, + 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x0130, 0x015E, 0x00DF, + 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, + 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF, + 0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7, + 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF, +}; +static const FX_WCHAR g_FX_CP1255Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, + 0x02C6, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x02DC, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000, + 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7, + 0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, + 0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, + 0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7, + 0x05B8, 0x05B9, 0x0000, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF, + 0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3, + 0x05F4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7, + 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF, + 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7, + 0x05E8, 0x05E9, 0x05EA, 0x0000, 0x0000, 0x200E, 0x200F, 0x0000, +}; +static const FX_WCHAR g_FX_CP1256Unicodes[128] = { + 0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, + 0x02C6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688, + 0x06AF, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x06A9, 0x2122, 0x0691, 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA, + 0x00A0, 0x060C, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, + 0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, + 0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x061F, + 0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627, + 0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F, + 0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7, + 0x0637, 0x0638, 0x0639, 0x063A, 0x0640, 0x0641, 0x0642, 0x0643, + 0x00E0, 0x0644, 0x00E2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7, + 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF, + 0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7, + 0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2, +}; +static const FX_WCHAR g_FX_CP1257Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021, + 0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x00A8, 0x02C7, 0x00B8, + 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, + 0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x00AF, 0x02DB, 0x0000, + 0x00A0, 0x0000, 0x00A2, 0x00A3, 0x00A4, 0x0000, 0x00A6, 0x00A7, + 0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00C6, + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, + 0x00F8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6, + 0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112, + 0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B, + 0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7, + 0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF, + 0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113, + 0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C, + 0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7, + 0x0173, 0x0142, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x02D9, +}; +typedef struct { + FX_BYTE m_Charset; + const FX_WCHAR* m_pUnicodes; +} FX_CharsetUnicodes; +const FX_CharsetUnicodes g_FX_CharsetUnicodes[] = { + { FXFONT_THAI_CHARSET, g_FX_CP874Unicodes }, + { FXFONT_EASTEUROPE_CHARSET, g_FX_CP1250Unicodes }, + { FXFONT_RUSSIAN_CHARSET, g_FX_CP1251Unicodes }, + { FXFONT_GREEK_CHARSET, g_FX_CP1253Unicodes }, + { FXFONT_TURKISH_CHARSET, g_FX_CP1254Unicodes }, + { FXFONT_HEBREW_CHARSET, g_FX_CP1255Unicodes }, + { FXFONT_ARABIC_CHARSET, g_FX_CP1256Unicodes }, + { FXFONT_BALTIC_CHARSET, g_FX_CP1257Unicodes }, +}; +#if (_FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || _FX_OS_ == _FX_WIN64_) +static void _InsertWidthArray(HDC hDC, int start, int end, CPDF_Array* pWidthArray) +{ + int size = end - start + 1; + int* widths = FX_Alloc(int, size); + GetCharWidth(hDC, start, end, widths); + int i; + for (i = 1; i < size; i ++) + if (widths[i] != *widths) { + break; + } + if (i == size) { + int first = pWidthArray->GetInteger(pWidthArray->GetCount() - 1); + pWidthArray->AddInteger(first + size - 1); + pWidthArray->AddInteger(*widths); + } else { + CPDF_Array* pWidthArray1 = FX_NEW CPDF_Array; + pWidthArray->Add(pWidthArray1); + for (i = 0; i < size; i ++) { + pWidthArray1->AddInteger(widths[i]); + } + } + FX_Free(widths); +} +CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, FX_BOOL bVert, FX_BOOL bTranslateName) +{ + LOGFONTA lfa; + FXSYS_memcpy32(&lfa, pLogFont, (char*)lfa.lfFaceName - (char*)&lfa); + CFX_ByteString face = CFX_ByteString::FromUnicode(pLogFont->lfFaceName); + if (face.GetLength() >= LF_FACESIZE) { + return NULL; + } + FXSYS_strcpy(lfa.lfFaceName, (FX_LPCSTR)face); + return AddWindowsFont(&lfa, bVert, bTranslateName); +} +extern CFX_ByteString _FPDF_GetNameFromTT(FX_LPCBYTE name_table, FX_DWORD name); +CFX_ByteString _FPDF_GetPSNameFromTT(HDC hDC) +{ + CFX_ByteString result; + DWORD size = ::GetFontData(hDC, 'eman', 0, NULL, 0); + if (size != GDI_ERROR) { + LPBYTE buffer = FX_Alloc(BYTE, size); + ::GetFontData(hDC, 'eman', 0, buffer, size); + result = _FPDF_GetNameFromTT(buffer, 6); + FX_Free(buffer); + } + return result; +} +CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont, FX_BOOL bVert, FX_BOOL bTranslateName) +{ + pLogFont->lfHeight = -1000; + pLogFont->lfWidth = 0; + HGDIOBJ hFont = CreateFontIndirectA(pLogFont); + HDC hDC = CreateCompatibleDC(NULL); + hFont = SelectObject(hDC, hFont); + int tm_size = GetOutlineTextMetrics(hDC, 0, NULL); + if (tm_size == 0) { + hFont = SelectObject(hDC, hFont); + DeleteObject(hFont); + DeleteDC(hDC); + return NULL; + } + LPBYTE tm_buf = FX_Alloc(BYTE, tm_size); + OUTLINETEXTMETRIC* ptm = (OUTLINETEXTMETRIC*)tm_buf; + GetOutlineTextMetrics(hDC, tm_size, ptm); + int flags = 0, italicangle, ascend, descend, capheight, bbox[4]; + if (pLogFont->lfItalic) { + flags |= PDFFONT_ITALIC; + } + if ((pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH) { + flags |= PDFFONT_FIXEDPITCH; + } + if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN) { + flags |= PDFFONT_SERIF; + } + if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT) { + flags |= PDFFONT_SCRIPT; + } + FX_BOOL bCJK = pLogFont->lfCharSet == CHINESEBIG5_CHARSET || pLogFont->lfCharSet == GB2312_CHARSET || + pLogFont->lfCharSet == HANGEUL_CHARSET || pLogFont->lfCharSet == SHIFTJIS_CHARSET; + CFX_ByteString basefont; + if (bTranslateName && bCJK) { + basefont = _FPDF_GetPSNameFromTT(hDC); + } + if (basefont.IsEmpty()) { + basefont = pLogFont->lfFaceName; + } + italicangle = ptm->otmItalicAngle / 10; + ascend = ptm->otmrcFontBox.top; + descend = ptm->otmrcFontBox.bottom; + capheight = ptm->otmsCapEmHeight; + bbox[0] = ptm->otmrcFontBox.left; + bbox[1] = ptm->otmrcFontBox.bottom; + bbox[2] = ptm->otmrcFontBox.right; + bbox[3] = ptm->otmrcFontBox.top; + FX_Free(tm_buf); + basefont.Replace(" ", ""); + CPDF_Dictionary* pBaseDict = FX_NEW CPDF_Dictionary; + pBaseDict->SetAtName("Type", "Font"); + CPDF_Dictionary* pFontDict = pBaseDict; + if (!bCJK) { + if (pLogFont->lfCharSet == ANSI_CHARSET || pLogFont->lfCharSet == DEFAULT_CHARSET || + pLogFont->lfCharSet == SYMBOL_CHARSET) { + if (pLogFont->lfCharSet == SYMBOL_CHARSET) { + flags |= PDFFONT_SYMBOLIC; + } else { + flags |= PDFFONT_NONSYMBOLIC; + } + pBaseDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding"); + } else { + flags |= PDFFONT_NONSYMBOLIC; + int i; + for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes); i ++) + if (g_FX_CharsetUnicodes[i].m_Charset == pLogFont->lfCharSet) { + break; + } + if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) { + CPDF_Dictionary* pEncoding = FX_NEW CPDF_Dictionary; + pEncoding->SetAtName(FX_BSTRC("BaseEncoding"), "WinAnsiEncoding"); + CPDF_Array* pArray = FX_NEW CPDF_Array; + pArray->AddInteger(128); + const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; + for (int j = 0; j < 128; j ++) { + CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); + if (name.IsEmpty()) { + pArray->AddName(FX_BSTRC(".notdef")); + } else { + pArray->AddName(name); + } + } + pEncoding->SetAt(FX_BSTRC("Differences"), pArray); + AddIndirectObject(pEncoding); + pBaseDict->SetAtReference(FX_BSTRC("Encoding"), this, pEncoding); + } + } + if (pLogFont->lfWeight > FW_MEDIUM && pLogFont->lfItalic) { + basefont += ",BoldItalic"; + } else if (pLogFont->lfWeight > FW_MEDIUM) { + basefont += ",Bold"; + } else if (pLogFont->lfItalic) { + basefont += ",Italic"; + } + pBaseDict->SetAtName("Subtype", "TrueType"); + pBaseDict->SetAtName("BaseFont", basefont); + pBaseDict->SetAtNumber("FirstChar", 32); + pBaseDict->SetAtNumber("LastChar", 255); + int char_widths[224]; + GetCharWidth(hDC, 32, 255, char_widths); + CPDF_Array* pWidths = FX_NEW CPDF_Array; + for (int i = 0; i < 224; i ++) { + pWidths->AddInteger(char_widths[i]); + } + pBaseDict->SetAt("Widths", pWidths); + } else { + flags |= PDFFONT_NONSYMBOLIC; + pFontDict = FX_NEW CPDF_Dictionary; + CFX_ByteString cmap; + CFX_ByteString ordering; + int supplement; + CPDF_Array* pWidthArray = FX_NEW CPDF_Array; + switch (pLogFont->lfCharSet) { + case CHINESEBIG5_CHARSET: + cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; + ordering = "CNS1"; + supplement = 4; + pWidthArray->AddInteger(1); + _InsertWidthArray(hDC, 0x20, 0x7e, pWidthArray); + break; + case GB2312_CHARSET: + cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H"; + ordering = "GB1", supplement = 2; + pWidthArray->AddInteger(7716); + _InsertWidthArray(hDC, 0x20, 0x20, pWidthArray); + pWidthArray->AddInteger(814); + _InsertWidthArray(hDC, 0x21, 0x7e, pWidthArray); + break; + case HANGEUL_CHARSET: + cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H"; + ordering = "Korea1"; + supplement = 2; + pWidthArray->AddInteger(1); + _InsertWidthArray(hDC, 0x20, 0x7e, pWidthArray); + break; + case SHIFTJIS_CHARSET: + cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H"; + ordering = "Japan1"; + supplement = 5; + pWidthArray->AddInteger(231); + _InsertWidthArray(hDC, 0x20, 0x7d, pWidthArray); + pWidthArray->AddInteger(326); + _InsertWidthArray(hDC, 0xa0, 0xa0, pWidthArray); + pWidthArray->AddInteger(327); + _InsertWidthArray(hDC, 0xa1, 0xdf, pWidthArray); + pWidthArray->AddInteger(631); + _InsertWidthArray(hDC, 0x7e, 0x7e, pWidthArray); + break; + } + pBaseDict->SetAtName("Subtype", "Type0"); + pBaseDict->SetAtName("BaseFont", basefont); + pBaseDict->SetAtName("Encoding", cmap); + pFontDict->SetAt("W", pWidthArray); + pFontDict->SetAtName("Type", "Font"); + pFontDict->SetAtName("Subtype", "CIDFontType2"); + pFontDict->SetAtName("BaseFont", basefont); + CPDF_Dictionary* pCIDSysInfo = FX_NEW CPDF_Dictionary; + pCIDSysInfo->SetAtString("Registry", "Adobe"); + pCIDSysInfo->SetAtString("Ordering", ordering); + pCIDSysInfo->SetAtInteger("Supplement", supplement); + pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo); + CPDF_Array* pArray = FX_NEW CPDF_Array; + pBaseDict->SetAt("DescendantFonts", pArray); + AddIndirectObject(pFontDict); + pArray->AddReference(this, pFontDict); + } + AddIndirectObject(pBaseDict); + CPDF_Dictionary* pFontDesc = FX_NEW CPDF_Dictionary; + pFontDesc->SetAtName("Type", "FontDescriptor"); + pFontDesc->SetAtName("FontName", basefont); + pFontDesc->SetAtInteger("Flags", flags); + CPDF_Array* pBBox = FX_NEW CPDF_Array; + for (int i = 0; i < 4; i ++) { + pBBox->AddInteger(bbox[i]); + } + pFontDesc->SetAt("FontBBox", pBBox); + pFontDesc->SetAtInteger("ItalicAngle", italicangle); + pFontDesc->SetAtInteger("Ascent", ascend); + pFontDesc->SetAtInteger("Descent", descend); + pFontDesc->SetAtInteger("CapHeight", capheight); + pFontDesc->SetAtInteger("StemV", pLogFont->lfWeight / 5); + AddIndirectObject(pFontDesc); + pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); + hFont = SelectObject(hDC, hFont); + DeleteObject(hFont); + DeleteDC(hDC); + return LoadFont(pBaseDict); +} +#endif +#if (_FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_) +FX_UINT32 FX_GetLangHashCode( FX_LPCSTR pStr) +{ + FXSYS_assert( pStr != NULL); + FX_INT32 iLength = FXSYS_strlen(pStr); + FX_LPCSTR pStrEnd = pStr + iLength; + FX_UINT32 uHashCode = 0; + while ( pStr < pStrEnd) { + uHashCode = 31 * uHashCode + tolower(*pStr++); + } + return uHashCode; +} +struct FX_LANG2CS { + FX_DWORD uLang; + int uCharset; +}*FX_LPLANG2CS; +static const FX_LANG2CS gs_FXLang2CharsetTable[] = { + {3109, 0}, + {3121, 178}, + {3129, 162}, + {3139, 204}, + {3141, 204}, + {3166, 0}, + {3184, 238}, + {3197, 0}, + {3201, 0}, + {3239, 161}, + {3241, 0}, + {3246, 0}, + {3247, 186}, + {3248, 0}, + {3259, 178}, + {3267, 0}, + {3273, 0}, + {3276, 0}, + {3301, 0}, + {3310, 1}, + {3325, 177}, + {3329, 1}, + {3338, 238}, + {3341, 238}, + {3345, 1}, + {3355, 0}, + {3370, 0}, + {3371, 0}, + {3383, 128}, + {3424, 204}, + {3427, 1}, + {3428, 129}, + {3436, 178}, + {3464, 186}, + {3466, 186}, + {3486, 204}, + {3487, 0}, + {3493, 1}, + {3494, 0}, + {3508, 0}, + {3518, 0}, + {3520, 0}, + {3569, 1}, + {3580, 238}, + {3588, 0}, + {3645, 238}, + {3651, 204}, + {3672, 238}, + {3673, 238}, + {3678, 238}, + {3679, 238}, + {3683, 0}, + {3684, 0}, + {3693, 1}, + {3697, 1}, + {3700, 222}, + {3710, 162}, + {3734, 204}, + {3741, 178}, + {3749, 162}, + {3763, 163}, + {3886, 134}, + {105943, 0}, + {106375, 1}, + {3923451837, 134}, + {3923451838, 136}, +}; +static FX_WORD FX_GetCsFromLangCode(FX_UINT32 uCode) +{ + FX_INT32 iStart = 0; + FX_INT32 iEnd = sizeof(gs_FXLang2CharsetTable) / sizeof(FX_LANG2CS) - 1; + while (iStart <= iEnd) { + FX_INT32 iMid = (iStart + iEnd) / 2; + const FX_LANG2CS &charset = gs_FXLang2CharsetTable[iMid]; + if (uCode == charset.uLang) { + return charset.uCharset; + } else if (uCode < charset.uLang) { + iEnd = iMid - 1; + } else { + iStart = iMid + 1; + } + }; + return 0; +} +static FX_WORD FX_GetCharsetFromLang(FX_LPCSTR pLang, FX_INT32 iLength) +{ + FXSYS_assert(pLang); + if (iLength < 0) { + iLength = FXSYS_strlen(pLang); + } + FX_UINT32 uHash = FX_GetLangHashCode(pLang); + return FX_GetCsFromLangCode(uHash); +} +static void _CFString2CFXByteString(CFStringRef src, CFX_ByteString &dest) +{ + SInt32 len = CFStringGetLength(src); + CFRange range = CFRangeMake(0, len); + CFIndex used = 0; + UInt8* pBuffer = (UInt8*)malloc(sizeof(UInt8) * (len + 1)); + FXSYS_memset32(pBuffer, 0, sizeof(UInt8) * (len + 1)); + CFStringGetBytes(src, range, kCFStringEncodingASCII, 0, false, pBuffer, len, &used); + dest = (FX_LPSTR)pBuffer; + free(pBuffer); +} +FX_BOOL IsHasCharSet(CFArrayRef languages, const CFX_DWordArray &charSets) +{ + int iCount = charSets.GetSize(); + for (int i = 0; i < CFArrayGetCount(languages); ++i) { + CFStringRef language = (CFStringRef)CFArrayGetValueAtIndex(languages, i); + FX_DWORD CharSet = FX_GetCharsetFromLang(CFStringGetCStringPtr(language, kCFStringEncodingMacRoman), -1); + for (int j = 0; j < iCount; ++j) { + if (CharSet == charSets[j]) { + return TRUE; + } + } + } + return FALSE; +} +void FX_GetCharWidth(CTFontRef font, UniChar start, UniChar end, int* width) +{ + CGFloat size = CTFontGetSize(font); + for (; start <= end; ++start) { + CGGlyph pGlyph = NULL; + CFIndex count = 1; + CTFontGetGlyphsForCharacters(font, &start, &pGlyph, count); + CGSize advances; + CTFontGetAdvancesForGlyphs(font, kCTFontDefaultOrientation, &pGlyph, &advances, 1); + *width = (int)(advances.width / size * 1000) ; + width++; + } +} +static void _InsertWidthArray(CTFontRef font, int start, int end, CPDF_Array* pWidthArray) +{ + int size = end - start + 1; + int* widths = FX_Alloc(int, size); + FX_GetCharWidth(font, start, end, widths); + int i; + for (i = 1; i < size; i ++) + if (widths[i] != *widths) { + break; + } + if (i == size) { + int first = pWidthArray->GetInteger(pWidthArray->GetCount() - 1); + pWidthArray->AddInteger(first + size - 1); + pWidthArray->AddInteger(*widths); + } else { + CPDF_Array* pWidthArray1 = FX_NEW CPDF_Array; + pWidthArray->Add(pWidthArray1); + for (i = 0; i < size; i ++) { + pWidthArray1->AddInteger(widths[i]); + } + } + FX_Free(widths); +} +CPDF_Font* CPDF_Document::AddMacFont(CTFontRef pFont, FX_BOOL bVert, FX_BOOL bTranslateName) +{ + CTFontRef font = (CTFontRef)pFont; + CTFontDescriptorRef descriptor = CTFontCopyFontDescriptor(font); + if (descriptor == NULL) { + return NULL; + } + CFX_ByteString basefont; + FX_BOOL bCJK = FALSE; + int flags = 0, italicangle = 0, ascend = 0, descend = 0, capheight = 0, bbox[4]; + FXSYS_memset32(bbox, 0, sizeof(int) * 4); + CFArrayRef languages = (CFArrayRef)CTFontDescriptorCopyAttribute(descriptor, kCTFontLanguagesAttribute); + if (languages == NULL) { + CFRelease(descriptor); + return NULL; + } + CFX_DWordArray charSets; + charSets.Add(FXFONT_CHINESEBIG5_CHARSET); + charSets.Add(FXFONT_GB2312_CHARSET); + charSets.Add(FXFONT_HANGEUL_CHARSET); + charSets.Add(FXFONT_SHIFTJIS_CHARSET); + if (IsHasCharSet(languages, charSets)) { + bCJK = TRUE; + } + CFRelease(descriptor); + CFDictionaryRef traits = (CFDictionaryRef)CTFontCopyTraits(font); + if (traits == NULL) { + CFRelease(languages); + return NULL; + } + CFNumberRef sybolicTrait = (CFNumberRef)CFDictionaryGetValue(traits, kCTFontSymbolicTrait); + CTFontSymbolicTraits trait = 0; + CFNumberGetValue(sybolicTrait, kCFNumberSInt32Type, &trait); + if (trait & kCTFontItalicTrait) { + flags |= PDFFONT_ITALIC; + } + if (trait & kCTFontMonoSpaceTrait) { + flags |= PDFFONT_FIXEDPITCH; + } + if (trait & kCTFontModernSerifsClass) { + flags |= PDFFONT_SERIF; + } + if (trait & kCTFontScriptsClass) { + flags |= PDFFONT_SCRIPT; + } + CFNumberRef weightTrait = (CFNumberRef)CFDictionaryGetValue(traits, kCTFontWeightTrait); + Float32 weight = 0; + CFNumberGetValue(weightTrait, kCFNumberFloat32Type, &weight); + italicangle = CTFontGetSlantAngle(font); + ascend = CTFontGetAscent(font); + descend = CTFontGetDescent(font); + capheight = CTFontGetCapHeight(font); + CGRect box = CTFontGetBoundingBox(font); + bbox[0] = box.origin.x; + bbox[1] = box.origin.y; + bbox[2] = box.origin.x + box.size.width; + bbox[3] = box.origin.y + box.size.height; + if (bTranslateName && bCJK) { + CFStringRef postName = CTFontCopyPostScriptName(font); + _CFString2CFXByteString(postName, basefont); + CFRelease(postName); + } + if (basefont.IsEmpty()) { + CFStringRef fullName = CTFontCopyFullName(font); + _CFString2CFXByteString(fullName, basefont); + CFRelease(fullName); + } + basefont.Replace(" ", ""); + CPDF_Dictionary* pFontDict = NULL; + CPDF_Dictionary* pBaseDict = FX_NEW CPDF_Dictionary; + pFontDict = pBaseDict; + if (!bCJK) { + charSets.RemoveAll(); + charSets.Add(FXFONT_ANSI_CHARSET); + charSets.Add(FXFONT_DEFAULT_CHARSET); + charSets.Add(FXFONT_SYMBOL_CHARSET); + if (IsHasCharSet(languages, charSets)) { + charSets.RemoveAll(); + charSets.Add(FXFONT_SYMBOL_CHARSET); + if (IsHasCharSet(languages, charSets)) { + flags |= PDFFONT_SYMBOLIC; + } else { + flags |= PDFFONT_NONSYMBOLIC; + } + pBaseDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding"); + } else { + flags |= PDFFONT_NONSYMBOLIC; + int i; + for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes); i ++) { + charSets.RemoveAll(); + charSets.Add(g_FX_CharsetUnicodes[i].m_Charset); + if (IsHasCharSet(languages, charSets)) { + break; + } + } + if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) { + CPDF_Dictionary* pEncoding = FX_NEW CPDF_Dictionary; + pEncoding->SetAtName(FX_BSTRC("BaseEncoding"), "WinAnsiEncoding"); + CPDF_Array* pArray = FX_NEW CPDF_Array; + pArray->AddInteger(128); + const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; + for (int j = 0; j < 128; j ++) { + CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); + if (name.IsEmpty()) { + pArray->AddName(FX_BSTRC(".notdef")); + } else { + pArray->AddName(name); + } + } + pEncoding->SetAt(FX_BSTRC("Differences"), pArray); + AddIndirectObject(pEncoding); + pBaseDict->SetAtReference(FX_BSTRC("Encoding"), this, pEncoding); + } + } + if (weight > 0.0 && trait & kCTFontItalicTrait) { + basefont += ",BoldItalic"; + } else if (weight > 0.0) { + basefont += ",Bold"; + } else if (trait & kCTFontItalicTrait) { + basefont += ",Italic"; + } + pBaseDict->SetAtName("Subtype", "TrueType"); + pBaseDict->SetAtName("BaseFont", basefont); + pBaseDict->SetAtNumber("FirstChar", 32); + pBaseDict->SetAtNumber("LastChar", 255); + int char_widths[224]; + FX_GetCharWidth(font, 32, 255, char_widths); + CPDF_Array* pWidths = FX_NEW CPDF_Array; + for (int i = 0; i < 224; i ++) { + pWidths->AddInteger(char_widths[i]); + } + pBaseDict->SetAt("Widths", pWidths); + } else { + flags |= PDFFONT_NONSYMBOLIC; + CPDF_Array* pArray = NULL; + pFontDict = FX_NEW CPDF_Dictionary; + CFX_ByteString cmap; + CFX_ByteString ordering; + int supplement; + FX_BOOL bFound = FALSE; + CPDF_Array* pWidthArray = FX_NEW CPDF_Array; + charSets.RemoveAll(); + charSets.Add(FXFONT_CHINESEBIG5_CHARSET); + if (IsHasCharSet(languages, charSets)) { + cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; + ordering = "CNS1"; + supplement = 4; + pWidthArray->AddInteger(1); + _InsertWidthArray(font, 0x20, 0x7e, pWidthArray); + bFound = TRUE; + } + charSets.RemoveAll(); + charSets.Add(FXFONT_GB2312_CHARSET); + if (!bFound && IsHasCharSet(languages, charSets)) { + cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H"; + ordering = "GB1", supplement = 2; + pWidthArray->AddInteger(7716); + _InsertWidthArray(font, 0x20, 0x20, pWidthArray); + pWidthArray->AddInteger(814); + _InsertWidthArray(font, 0x21, 0x7e, pWidthArray); + bFound = TRUE; + } + charSets.RemoveAll(); + charSets.Add(FXFONT_HANGEUL_CHARSET); + if (!bFound && IsHasCharSet(languages, charSets)) { + cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H"; + ordering = "Korea1"; + supplement = 2; + pWidthArray->AddInteger(1); + _InsertWidthArray(font, 0x20, 0x7e, pWidthArray); + bFound = TRUE; + } + charSets.RemoveAll(); + charSets.Add(FXFONT_SHIFTJIS_CHARSET); + if (!bFound && IsHasCharSet(languages, charSets)) { + cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H"; + ordering = "Japan1"; + supplement = 5; + pWidthArray->AddInteger(231); + _InsertWidthArray(font, 0x20, 0x7d, pWidthArray); + pWidthArray->AddInteger(326); + _InsertWidthArray(font, 0xa0, 0xa0, pWidthArray); + pWidthArray->AddInteger(327); + _InsertWidthArray(font, 0xa1, 0xdf, pWidthArray); + pWidthArray->AddInteger(631); + _InsertWidthArray(font, 0x7e, 0x7e, pWidthArray); + } + pBaseDict->SetAtName("Subtype", "Type0"); + pBaseDict->SetAtName("BaseFont", basefont); + pBaseDict->SetAtName("Encoding", cmap); + pFontDict->SetAt("W", pWidthArray); + pFontDict->SetAtName("Type", "Font"); + pFontDict->SetAtName("Subtype", "CIDFontType2"); + pFontDict->SetAtName("BaseFont", basefont); + CPDF_Dictionary* pCIDSysInfo = FX_NEW CPDF_Dictionary; + pCIDSysInfo->SetAtString("Registry", "Adobe"); + pCIDSysInfo->SetAtString("Ordering", ordering); + pCIDSysInfo->SetAtInteger("Supplement", supplement); + pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo); + pArray = FX_NEW CPDF_Array; + pBaseDict->SetAt("DescendantFonts", pArray); + AddIndirectObject(pFontDict); + pArray->AddReference(this, pFontDict); + } + AddIndirectObject(pBaseDict); + CPDF_Dictionary* pFontDesc = FX_NEW CPDF_Dictionary; + pFontDesc->SetAtName("Type", "FontDescriptor"); + pFontDesc->SetAtName("FontName", basefont); + pFontDesc->SetAtInteger("Flags", flags); + CPDF_Array* pBBox = FX_NEW CPDF_Array; + for (int i = 0; i < 4; i ++) { + pBBox->AddInteger(bbox[i]); + } + pFontDesc->SetAt("FontBBox", pBBox); + pFontDesc->SetAtInteger("ItalicAngle", italicangle); + pFontDesc->SetAtInteger("Ascent", ascend); + pFontDesc->SetAtInteger("Descent", descend); + pFontDesc->SetAtInteger("CapHeight", capheight); + CGFloat fStemV = 0; + int16_t min_width = SHRT_MAX; + static const UniChar stem_chars[] = {'i', 'I', '!', '1'}; + const size_t count = sizeof(stem_chars) / sizeof(stem_chars[0]); + CGGlyph glyphs[count]; + CGRect boundingRects[count]; + if (CTFontGetGlyphsForCharacters(font, stem_chars, glyphs, count)) { + CTFontGetBoundingRectsForGlyphs(font, kCTFontHorizontalOrientation, + glyphs, boundingRects, count); + for (size_t i = 0; i < count; i++) { + int16_t width = boundingRects[i].size.width; + if (width > 0 && width < min_width) { + min_width = width; + fStemV = min_width; + } + } + } + pFontDesc->SetAtInteger("StemV", fStemV); + AddIndirectObject(pFontDesc); + pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); + CFRelease(traits); + CFRelease(languages); + return LoadFont(pBaseDict); +} +#endif +static void _InsertWidthArray1(CFX_Font* pFont, IFX_FontEncoding* pEncoding, FX_WCHAR start, FX_WCHAR end, CPDF_Array* pWidthArray) +{ + int size = end - start + 1; + int* widths = FX_Alloc(int, size); + int i; + for (i = 0; i < size; i ++) { + int glyph_index = pEncoding->GlyphFromCharCode(start + i); + widths[i] = pFont->GetGlyphWidth(glyph_index); + } + for (i = 1; i < size; i ++) + if (widths[i] != *widths) { + break; + } + if (i == size) { + int first = pWidthArray->GetInteger(pWidthArray->GetCount() - 1); + pWidthArray->AddInteger(first + size - 1); + pWidthArray->AddInteger(*widths); + } else { + CPDF_Array* pWidthArray1 = FX_NEW CPDF_Array; + pWidthArray->Add(pWidthArray1); + for (i = 0; i < size; i ++) { + pWidthArray1->AddInteger(widths[i]); + } + } + FX_Free(widths); +} +CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) +{ + if (pFont == NULL) { + return NULL; + } + FX_BOOL bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || charset == FXFONT_GB2312_CHARSET || + charset == FXFONT_HANGEUL_CHARSET || charset == FXFONT_SHIFTJIS_CHARSET; + CFX_ByteString basefont = pFont->GetFamilyName(); + basefont.Replace(" ", ""); + int flags = 0; + if (pFont->IsBold()) { + flags |= PDFFONT_FORCEBOLD; + } + if (pFont->IsItalic()) { + flags |= PDFFONT_ITALIC; + } + if (pFont->IsFixedWidth()) { + flags |= PDFFONT_FIXEDPITCH; + } + CPDF_Dictionary* pBaseDict = FX_NEW CPDF_Dictionary; + pBaseDict->SetAtName("Type", "Font"); + IFX_FontEncoding* pEncoding = FXGE_CreateUnicodeEncoding(pFont); + CPDF_Dictionary* pFontDict = pBaseDict; + if (!bCJK) { + CPDF_Array* pWidths = FX_NEW CPDF_Array; + int charcode; + for (charcode = 32; charcode < 128; charcode ++) { + int glyph_index = pEncoding->GlyphFromCharCode(charcode); + int char_width = pFont->GetGlyphWidth(glyph_index); + pWidths->AddInteger(char_width); + } + if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET || + charset == FXFONT_SYMBOL_CHARSET) { + if (charset == FXFONT_SYMBOL_CHARSET) { + flags |= PDFFONT_SYMBOLIC; + } else { + flags |= PDFFONT_NONSYMBOLIC; + } + pBaseDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding"); + for (charcode = 128; charcode <= 255; charcode ++) { + int glyph_index = pEncoding->GlyphFromCharCode(charcode); + int char_width = pFont->GetGlyphWidth(glyph_index); + pWidths->AddInteger(char_width); + } + } else { + flags |= PDFFONT_NONSYMBOLIC; + int i; + for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes); i ++) + if (g_FX_CharsetUnicodes[i].m_Charset == charset) { + break; + } + if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) { + CPDF_Dictionary* pEncodingDict = FX_NEW CPDF_Dictionary; + pEncodingDict->SetAtName(FX_BSTRC("BaseEncoding"), "WinAnsiEncoding"); + CPDF_Array* pArray = FX_NEW CPDF_Array; + pArray->AddInteger(128); + const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; + for (int j = 0; j < 128; j ++) { + CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); + if (name.IsEmpty()) { + pArray->AddName(FX_BSTRC(".notdef")); + } else { + pArray->AddName(name); + } + int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]); + int char_width = pFont->GetGlyphWidth(glyph_index); + pWidths->AddInteger(char_width); + } + pEncodingDict->SetAt(FX_BSTRC("Differences"), pArray); + AddIndirectObject(pEncodingDict); + pBaseDict->SetAtReference(FX_BSTRC("Encoding"), this, pEncodingDict); + } + } + if (pFont->IsBold() && pFont->IsItalic()) { + basefont += ",BoldItalic"; + } else if (pFont->IsBold()) { + basefont += ",Bold"; + } else if (pFont->IsItalic()) { + basefont += ",Italic"; + } + pBaseDict->SetAtName("Subtype", "TrueType"); + pBaseDict->SetAtName("BaseFont", basefont); + pBaseDict->SetAtNumber("FirstChar", 32); + pBaseDict->SetAtNumber("LastChar", 255); + pBaseDict->SetAt("Widths", pWidths); + } else { + flags |= PDFFONT_NONSYMBOLIC; + pFontDict = FX_NEW CPDF_Dictionary; + CFX_ByteString cmap; + CFX_ByteString ordering; + int supplement; + CPDF_Array* pWidthArray = FX_NEW CPDF_Array; + switch (charset) { + case FXFONT_CHINESEBIG5_CHARSET: + cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; + ordering = "CNS1"; + supplement = 4; + pWidthArray->AddInteger(1); + _InsertWidthArray1(pFont, pEncoding, 0x20, 0x7e, pWidthArray); + break; + case FXFONT_GB2312_CHARSET: + cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H"; + ordering = "GB1", supplement = 2; + pWidthArray->AddInteger(7716); + _InsertWidthArray1(pFont, pEncoding, 0x20, 0x20, pWidthArray); + pWidthArray->AddInteger(814); + _InsertWidthArray1(pFont, pEncoding, 0x21, 0x7e, pWidthArray); + break; + case FXFONT_HANGEUL_CHARSET: + cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H"; + ordering = "Korea1"; + supplement = 2; + pWidthArray->AddInteger(1); + _InsertWidthArray1(pFont, pEncoding, 0x20, 0x7e, pWidthArray); + break; + case FXFONT_SHIFTJIS_CHARSET: + cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H"; + ordering = "Japan1"; + supplement = 5; + pWidthArray->AddInteger(231); + _InsertWidthArray1(pFont, pEncoding, 0x20, 0x7d, pWidthArray); + pWidthArray->AddInteger(326); + _InsertWidthArray1(pFont, pEncoding, 0xa0, 0xa0, pWidthArray); + pWidthArray->AddInteger(327); + _InsertWidthArray1(pFont, pEncoding, 0xa1, 0xdf, pWidthArray); + pWidthArray->AddInteger(631); + _InsertWidthArray1(pFont, pEncoding, 0x7e, 0x7e, pWidthArray); + break; + } + pBaseDict->SetAtName("Subtype", "Type0"); + pBaseDict->SetAtName("BaseFont", basefont); + pBaseDict->SetAtName("Encoding", cmap); + pFontDict->SetAt("W", pWidthArray); + pFontDict->SetAtName("Type", "Font"); + pFontDict->SetAtName("Subtype", "CIDFontType2"); + pFontDict->SetAtName("BaseFont", basefont); + CPDF_Dictionary* pCIDSysInfo = FX_NEW CPDF_Dictionary; + pCIDSysInfo->SetAtString("Registry", "Adobe"); + pCIDSysInfo->SetAtString("Ordering", ordering); + pCIDSysInfo->SetAtInteger("Supplement", supplement); + pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo); + CPDF_Array* pArray = FX_NEW CPDF_Array; + pBaseDict->SetAt("DescendantFonts", pArray); + AddIndirectObject(pFontDict); + pArray->AddReference(this, pFontDict); + } + AddIndirectObject(pBaseDict); + CPDF_Dictionary* pFontDesc = FX_NEW CPDF_Dictionary; + pFontDesc->SetAtName("Type", "FontDescriptor"); + pFontDesc->SetAtName("FontName", basefont); + pFontDesc->SetAtInteger("Flags", flags); + pFontDesc->SetAtInteger("ItalicAngle", pFont->m_pSubstFont ? pFont->m_pSubstFont->m_ItalicAngle : 0); + pFontDesc->SetAtInteger("Ascent", pFont->GetAscent()); + pFontDesc->SetAtInteger("Descent", pFont->GetDescent()); + FX_RECT bbox; + pFont->GetBBox(bbox); + CPDF_Array* pBBox = FX_NEW CPDF_Array; + pBBox->AddInteger(bbox.left); + pBBox->AddInteger(bbox.bottom); + pBBox->AddInteger(bbox.right); + pBBox->AddInteger(bbox.top); + pFontDesc->SetAt("FontBBox", pBBox); + FX_INT32 nStemV = 0; + if (pFont->m_pSubstFont) { + nStemV = pFont->m_pSubstFont->m_Weight / 5; + } else { + static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'}; + const size_t count = sizeof(stem_chars) / sizeof(stem_chars[0]); + FX_DWORD glyph = pEncoding->GlyphFromCharCode(stem_chars[0]); + nStemV = pFont->GetGlyphWidth(glyph); + for (size_t i = 1; i < count; i++) { + glyph = pEncoding->GlyphFromCharCode(stem_chars[i]); + int width = pFont->GetGlyphWidth(glyph); + if (width > 0 && width < nStemV) { + nStemV = width; + } + } + } + if (pEncoding) { + delete pEncoding; + } + pFontDesc->SetAtInteger("StemV", nStemV); + AddIndirectObject(pFontDesc); + pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); + return LoadFont(pBaseDict); +} +static CPDF_Stream* GetFormStream(CPDF_Document* pDoc, CPDF_Object* pResObj) +{ + if (pResObj->GetType() != PDFOBJ_REFERENCE) { + return NULL; + } + CPDF_Reference* pRef = (CPDF_Reference*)pResObj; + FX_BOOL bForm; + if (pDoc->IsFormStream(pRef->GetRefObjNum(), bForm) && !bForm) { + return NULL; + } + pResObj = pRef->GetDirect(); + if (pResObj->GetType() != PDFOBJ_STREAM) { + return NULL; + } + CPDF_Stream* pXObject = (CPDF_Stream*)pResObj; + if (pXObject->GetDict()->GetString(FX_BSTRC("Subtype")) != FX_BSTRC("Form")) { + return NULL; + } + return pXObject; +} +static int InsertDeletePDFPage(CPDF_Document* pDoc, CPDF_Dictionary* pPages, + int nPagesToGo, CPDF_Dictionary* pPage, FX_BOOL bInsert, CFX_PtrArray& stackList) +{ + CPDF_Array* pKidList = pPages->GetArray("Kids"); + if (!pKidList) { + return -1; + } + int nKids = pKidList->GetCount(); + for (int i = 0; i < nKids; i ++) { + CPDF_Dictionary* pKid = pKidList->GetDict(i); + if (pKid->GetString("Type") == FX_BSTRC("Page")) { + if (nPagesToGo == 0) { + if (bInsert) { + pKidList->InsertAt(i, CPDF_Reference::Create(pDoc, pPage->GetObjNum())); + pPage->SetAtReference("Parent", pDoc, pPages->GetObjNum()); + } else { + pKidList->RemoveAt(i); + } + pPages->SetAtInteger("Count", pPages->GetInteger("Count") + (bInsert ? 1 : -1)); + return 1; + } + nPagesToGo --; + } else { + int nPages = pKid->GetInteger("Count"); + if (nPagesToGo < nPages) { + int stackCount = stackList.GetSize(); + for (int j = 0; j < stackCount; ++j) { + if (pKid == stackList[j]) { + return -1; + } + } + stackList.Add(pKid); + if (InsertDeletePDFPage(pDoc, pKid, nPagesToGo, pPage, bInsert, stackList) < 0) { + return -1; + } + stackList.RemoveAt(stackCount); + pPages->SetAtInteger("Count", pPages->GetInteger("Count") + (bInsert ? 1 : -1)); + return 1; + } + nPagesToGo -= nPages; + } + } + return 0; +} +static int InsertNewPage(CPDF_Document* pDoc, int iPage, CPDF_Dictionary* pPageDict, CFX_DWordArray &pageList) +{ + CPDF_Dictionary* pRoot = pDoc->GetRoot(); + if (!pRoot) { + return -1; + } + CPDF_Dictionary* pPages = pRoot->GetDict(FX_BSTRC("Pages")); + if (!pPages) { + return -1; + } + int nPages = pDoc->GetPageCount(); + if (iPage < 0 || iPage > nPages) { + return -1; + } + if (iPage == nPages) { + CPDF_Array* pPagesList = pPages->GetArray(FX_BSTRC("Kids")); + if (!pPagesList) { + pPagesList = FX_NEW CPDF_Array; + pPages->SetAt(FX_BSTRC("Kids"), pPagesList); + } + pPagesList->Add(pPageDict, pDoc); + pPages->SetAtInteger(FX_BSTRC("Count"), nPages + 1); + pPageDict->SetAtReference(FX_BSTRC("Parent"), pDoc, pPages->GetObjNum()); + } else { + CFX_PtrArray stack; + stack.Add(pPages); + if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, stack) < 0) { + return -1; + } + } + pageList.InsertAt(iPage, pPageDict->GetObjNum()); + return iPage; +} +CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) +{ + CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary; + pDict->SetAtName("Type", "Page"); + FX_DWORD dwObjNum = AddIndirectObject(pDict); + if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) { + ReleaseIndirectObject(dwObjNum); + return NULL; + } + return pDict; +} +int _PDF_GetStandardFontName(CFX_ByteString& name); +CPDF_Font* CPDF_Document::AddStandardFont(FX_LPCSTR font, CPDF_FontEncoding* pEncoding) +{ + CFX_ByteString name(font, -1); + if (_PDF_GetStandardFontName(name) < 0) { + return NULL; + } + return GetPageData()->GetStandardFont(name, pEncoding); +} +void CPDF_Document::DeletePage(int iPage) +{ + CPDF_Dictionary* pRoot = GetRoot(); + if (pRoot == NULL) { + return; + } + CPDF_Dictionary* pPages = pRoot->GetDict("Pages"); + if (pPages == NULL) { + return; + } + int nPages = pPages->GetInteger("Count"); + if (iPage < 0 || iPage >= nPages) { + return; + } + CFX_PtrArray stack; + stack.Add(pPages); + if (InsertDeletePDFPage(this, pPages, iPage, NULL, FALSE, stack) < 0) { + return; + } + m_PageList.RemoveAt(iPage); +} +CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict, FX_BSTR name); +void FPDFAPI_FlatPageAttr(CPDF_Dictionary* pPageDict, FX_BSTR name) +{ + if (pPageDict->KeyExist(name)) { + return; + } + CPDF_Object* pObj = FPDFAPI_GetPageAttr(pPageDict, name); + if (pObj) { + pPageDict->SetAt(name, pObj->Clone()); + } +} diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp new file mode 100644 index 0000000000..cb50601226 --- /dev/null +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp @@ -0,0 +1,374 @@ +// 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 "../../../include/fpdfapi/fpdf_module.h" +#include "../../../include/fpdfapi/fpdf_page.h" +#include "../../../include/fxcodec/fx_codec.h" +#include "../../../include/fpdfapi/fpdf_render.h" +#include "../fpdf_page/pageint.h" +#include "../fpdf_render/render_int.h" +CPDF_Dictionary* CPDF_Image::InitJPEG(FX_LPBYTE pData, FX_DWORD size) +{ + FX_INT32 width, height, color_trans, num_comps, bits; + if (!CPDF_ModuleMgr::Get()->GetJpegModule()-> + LoadInfo(pData, size, width, height, num_comps, bits, color_trans)) { + return NULL; + } + CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary; + pDict->SetAtName("Type", "XObject"); + pDict->SetAtName("Subtype", "Image"); + pDict->SetAtInteger("Width", width); + pDict->SetAtInteger("Height", height); + FX_LPCSTR csname = NULL; + if (num_comps == 1) { + csname = "DeviceGray"; + } else if (num_comps == 3) { + csname = "DeviceRGB"; + } else if (num_comps == 4) { + csname = "DeviceCMYK"; + CPDF_Array* pDecode = CPDF_Array::Create(); + for (int n = 0; n < 4; n ++) { + pDecode->AddInteger(1); + pDecode->AddInteger(0); + } + pDict->SetAt(FX_BSTRC("Decode"), pDecode); + } + pDict->SetAtName("ColorSpace", csname); + pDict->SetAtInteger("BitsPerComponent", bits); + pDict->SetAtName("Filter", "DCTDecode"); + if (!color_trans) { + CPDF_Dictionary* pParms = FX_NEW CPDF_Dictionary; + pDict->SetAt("DecodeParms", pParms); + pParms->SetAtInteger("ColorTransform", 0); + } + m_bIsMask = FALSE; + m_Width = width; + m_Height = height; + if (m_pStream == NULL) { + m_pStream = FX_NEW CPDF_Stream(NULL, 0, NULL); + } + return pDict; +} +void CPDF_Image::SetJpegImage(FX_LPBYTE pData, FX_DWORD size) +{ + CPDF_Dictionary *pDict = InitJPEG(pData, size); + if (!pDict) { + return; + } + m_pStream->InitStream(pData, size, pDict); +} +void CPDF_Image::SetJpegImage(IFX_FileRead *pFile) +{ + FX_DWORD size = (FX_DWORD)pFile->GetSize(); + if (!size) { + return; + } + FX_DWORD dwEstimateSize = size; + if (dwEstimateSize > 8192) { + dwEstimateSize = 8192; + } + FX_LPBYTE pData = FX_Alloc(FX_BYTE, dwEstimateSize); + if (!pData) { + return; + } + pFile->ReadBlock(pData, 0, dwEstimateSize); + CPDF_Dictionary *pDict = InitJPEG(pData, dwEstimateSize); + FX_Free(pData); + if (!pDict && size > dwEstimateSize) { + pData = FX_Alloc(FX_BYTE, size); + if (!pData) { + return; + } + pFile->ReadBlock(pData, 0, size); + pDict = InitJPEG(pData, size); + FX_Free(pData); + } + if (!pDict) { + return; + } + m_pStream->InitStream(pFile, pDict); +} +void _DCTEncodeBitmap(CPDF_Dictionary *pBitmapDict, const CFX_DIBitmap* pBitmap, int quality, FX_LPBYTE &buf, FX_STRSIZE &size) +{ +} +void _JBIG2EncodeBitmap(CPDF_Dictionary *pBitmapDict, const CFX_DIBitmap *pBitmap, CPDF_Document *pDoc, FX_LPBYTE &buf, FX_STRSIZE &size, FX_BOOL bLossLess) +{ +} +void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, FX_INT32 iCompress, IFX_FileWrite *pFileWrite, IFX_FileRead *pFileRead, const CFX_DIBitmap* pMask, const CPDF_ImageSetParam* pParam) +{ + FX_INT32 BitmapWidth = pBitmap->GetWidth(); + FX_INT32 BitmapHeight = pBitmap->GetHeight(); + if (BitmapWidth < 1 || BitmapHeight < 1) { + return; + } + FX_LPBYTE src_buf = pBitmap->GetBuffer(); + FX_INT32 src_pitch = pBitmap->GetPitch(); + FX_INT32 bpp = pBitmap->GetBPP(); + FX_BOOL bUseMatte = pParam && pParam->pMatteColor && (pBitmap->GetFormat() == FXDIB_Argb); + CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary; + pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("XObject")); + pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image")); + pDict->SetAtInteger(FX_BSTRC("Width"), BitmapWidth); + pDict->SetAtInteger(FX_BSTRC("Height"), BitmapHeight); + FX_LPBYTE dest_buf = NULL; + FX_STRSIZE dest_pitch = 0, dest_size = 0, opType = -1; + if (bpp == 1) { + FX_INT32 reset_a = 0, reset_r = 0, reset_g = 0, reset_b = 0; + FX_INT32 set_a = 0, set_r = 0, set_g = 0, set_b = 0; + if (!pBitmap->IsAlphaMask()) { + ArgbDecode(pBitmap->GetPaletteArgb(0), reset_a, reset_r, reset_g, reset_b); + ArgbDecode(pBitmap->GetPaletteArgb(1), set_a, set_r, set_g, set_b); + } + if (set_a == 0 || reset_a == 0) { + pDict->SetAt(FX_BSTRC("ImageMask"), FX_NEW CPDF_Boolean(TRUE)); + if (reset_a == 0) { + CPDF_Array* pArray = FX_NEW CPDF_Array; + pArray->AddInteger(1); + pArray->AddInteger(0); + pDict->SetAt(FX_BSTRC("Decode"), pArray); + } + } else { + CPDF_Array* pCS = FX_NEW CPDF_Array; + pCS->AddName(FX_BSTRC("Indexed")); + pCS->AddName(FX_BSTRC("DeviceRGB")); + pCS->AddInteger(1); + CFX_ByteString ct; + FX_LPSTR pBuf = ct.GetBuffer(6); + pBuf[0] = (FX_CHAR)reset_r; + pBuf[1] = (FX_CHAR)reset_g; + pBuf[2] = (FX_CHAR)reset_b; + pBuf[3] = (FX_CHAR)set_r; + pBuf[4] = (FX_CHAR)set_g; + pBuf[5] = (FX_CHAR)set_b; + ct.ReleaseBuffer(6); + pCS->Add(CPDF_String::Create(ct, TRUE)); + pDict->SetAt(FX_BSTRC("ColorSpace"), pCS); + } + pDict->SetAtInteger(FX_BSTRC("BitsPerComponent"), 1); + dest_pitch = (BitmapWidth + 7) / 8; + if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) { + opType = 1; + } else { + opType = 0; + } + } else if (bpp == 8) { + FX_INT32 iPalette = pBitmap->GetPaletteSize(); + if (iPalette > 0) { + CPDF_Array* pCS = FX_NEW CPDF_Array; + m_pDocument->AddIndirectObject(pCS); + pCS->AddName(FX_BSTRC("Indexed")); + pCS->AddName(FX_BSTRC("DeviceRGB")); + pCS->AddInteger(iPalette - 1); + FX_LPBYTE pColorTable = FX_Alloc(FX_BYTE, iPalette * 3); + FX_LPBYTE ptr = pColorTable; + for (FX_INT32 i = 0; i < iPalette; i ++) { + FX_DWORD argb = pBitmap->GetPaletteArgb(i); + ptr[0] = (FX_BYTE)(argb >> 16); + ptr[1] = (FX_BYTE)(argb >> 8); + ptr[2] = (FX_BYTE)argb; + ptr += 3; + } + CPDF_Stream *pCTS = CPDF_Stream::Create(pColorTable, iPalette * 3, CPDF_Dictionary::Create()); + m_pDocument->AddIndirectObject(pCTS); + pCS->AddReference(m_pDocument, pCTS); + pDict->SetAtReference(FX_BSTRC("ColorSpace"), m_pDocument, pCS); + } else { + pDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceGray")); + } + pDict->SetAtInteger(FX_BSTRC("BitsPerComponent"), 8); + if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) { + dest_pitch = BitmapWidth; + opType = 1; + } else { + opType = 0; + } + } else { + pDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceRGB")); + pDict->SetAtInteger(FX_BSTRC("BitsPerComponent"), 8); + if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) { + dest_pitch = BitmapWidth * 3; + opType = 2; + } else { + opType = 0; + } + } + const CFX_DIBitmap* pMaskBitmap = NULL; + if (pBitmap->HasAlpha()) { + pMaskBitmap = pBitmap->GetAlphaMask(); + } + if (!pMaskBitmap && pMask) { + FXDIB_Format maskFormat = pMask->GetFormat(); + if (maskFormat == FXDIB_1bppMask || maskFormat == FXDIB_8bppMask) { + pMaskBitmap = pMask; + } + } + if (pMaskBitmap) { + FX_INT32 maskWidth = pMaskBitmap->GetWidth(); + FX_INT32 maskHeight = pMaskBitmap->GetHeight(); + FX_LPBYTE mask_buf = NULL; + FX_STRSIZE mask_size; + FX_BOOL bDeleteMask = TRUE; + CPDF_Dictionary* pMaskDict = FX_NEW CPDF_Dictionary; + pMaskDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("XObject")); + pMaskDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image")); + pMaskDict->SetAtInteger(FX_BSTRC("Width"), maskWidth); + pMaskDict->SetAtInteger(FX_BSTRC("Height"), maskHeight); + pMaskDict->SetAtName(FX_BSTRC("ColorSpace"), FX_BSTRC("DeviceGray")); + pMaskDict->SetAtInteger(FX_BSTRC("BitsPerComponent"), 8); + if (pMaskBitmap->GetBPP() == 8 && (iCompress & PDF_IMAGE_MASK_LOSSY_COMPRESS) != 0) { + _DCTEncodeBitmap(pMaskDict, pMaskBitmap, pParam ? pParam->nQuality : 75, mask_buf, mask_size); + } else if (pMaskBitmap->GetFormat() == FXDIB_1bppMask) { + _JBIG2EncodeBitmap(pMaskDict, pMaskBitmap, m_pDocument, mask_buf, mask_size, TRUE); + } else { + mask_size = maskHeight * maskWidth; + mask_buf = FX_Alloc(FX_BYTE, mask_size); + for (FX_INT32 a = 0; a < maskHeight; a ++) { + FXSYS_memcpy32(mask_buf + a * maskWidth, pMaskBitmap->GetScanline(a), maskWidth); + } + } + if (pMaskDict) { + pMaskDict->SetAtInteger(FX_BSTRC("Length"), mask_size); + CPDF_Stream* pMaskStream = NULL; + if (bUseMatte) { + int a, r, g, b; + ArgbDecode(*(pParam->pMatteColor), a, r, g, b); + CPDF_Array* pMatte = FX_NEW CPDF_Array; + pMatte->AddInteger(r); + pMatte->AddInteger(g); + pMatte->AddInteger(b); + pMaskDict->SetAt(FX_BSTRC("Matte"), pMatte); + } + pMaskStream = FX_NEW CPDF_Stream(mask_buf, mask_size, pMaskDict); + m_pDocument->AddIndirectObject(pMaskStream); + bDeleteMask = FALSE; + pDict->SetAtReference(FX_BSTRC("SMask"), m_pDocument, pMaskStream); + } + if (pBitmap->HasAlpha()) { + delete pMaskBitmap; + } + } + FX_BOOL bStream = pFileWrite != NULL && pFileRead != NULL; + if (opType == 0) { + if (iCompress & PDF_IMAGE_LOSSLESS_COMPRESS) { + if (pBitmap->GetBPP() == 1) { + _JBIG2EncodeBitmap(pDict, pBitmap, m_pDocument, dest_buf, dest_size, TRUE); + } + } else { + if (pBitmap->GetBPP() == 1) { + _JBIG2EncodeBitmap(pDict, pBitmap, m_pDocument, dest_buf, dest_size, FALSE); + } else if (pBitmap->GetBPP() >= 8 && pBitmap->GetPalette() != NULL) { + CFX_DIBitmap *pNewBitmap = FX_NEW CFX_DIBitmap(); + pNewBitmap->Copy(pBitmap); + pNewBitmap->ConvertFormat(FXDIB_Rgb); + SetImage(pNewBitmap, iCompress, pFileWrite, pFileRead); + if (pDict) { + pDict->Release(); + pDict = NULL; + } + if (dest_buf) { + FX_Free(dest_buf); + dest_buf = NULL; + } + dest_size = 0; + delete pNewBitmap; + return; + } else { + if (bUseMatte) { + CFX_DIBitmap *pNewBitmap = FX_NEW CFX_DIBitmap(); + pNewBitmap->Create(BitmapWidth, BitmapHeight, FXDIB_Argb); + FX_LPBYTE dst_buf = pNewBitmap->GetBuffer(); + FX_INT32 src_offset = 0; + for (FX_INT32 row = 0; row < BitmapHeight; row ++) { + src_offset = row * src_pitch; + for (FX_INT32 column = 0; column < BitmapWidth; column ++) { + FX_FLOAT alpha = src_buf[src_offset + 3] / 255.0f; + dst_buf[src_offset] = (FX_BYTE)(src_buf[src_offset] * alpha); + dst_buf[src_offset + 1] = (FX_BYTE)(src_buf[src_offset + 1] * alpha); + dst_buf[src_offset + 2] = (FX_BYTE)(src_buf[src_offset + 2] * alpha); + dst_buf[src_offset + 3] = (FX_BYTE)(src_buf[src_offset + 3]); + src_offset += 4; + } + } + _DCTEncodeBitmap(pDict, pNewBitmap, pParam ? pParam->nQuality : 75, dest_buf, dest_size); + delete pNewBitmap; + } else { + _DCTEncodeBitmap(pDict, pBitmap, pParam ? pParam->nQuality : 75, dest_buf, dest_size); + } + } + } + if (bStream) { + pFileWrite->WriteBlock(dest_buf, dest_size); + FX_Free(dest_buf); + dest_buf = NULL; + } + } else if (opType == 1) { + if (!bStream) { + dest_size = dest_pitch * BitmapHeight; + dest_buf = FX_Alloc(FX_BYTE, dest_size); + } + FX_LPBYTE pDest = dest_buf; + for (FX_INT32 i = 0; i < BitmapHeight; i ++) { + if (!bStream) { + FXSYS_memcpy32(pDest, src_buf, dest_pitch); + pDest += dest_pitch; + } else { + pFileWrite->WriteBlock(src_buf, dest_pitch); + } + src_buf += src_pitch; + } + } else if (opType == 2) { + if (!bStream) { + dest_size = dest_pitch * BitmapHeight; + dest_buf = FX_Alloc(FX_BYTE, dest_size); + } else { + dest_buf = FX_Alloc(FX_BYTE, dest_pitch); + } + FX_LPBYTE pDest = dest_buf; + FX_INT32 src_offset = 0; + FX_INT32 dest_offset = 0; + for (FX_INT32 row = 0; row < BitmapHeight; row ++) { + src_offset = row * src_pitch; + for (FX_INT32 column = 0; column < BitmapWidth; column ++) { + FX_FLOAT alpha = bUseMatte ? src_buf[src_offset + 3] / 255.0f : 1; + pDest[dest_offset] = (FX_BYTE)(src_buf[src_offset + 2] * alpha); + pDest[dest_offset + 1] = (FX_BYTE)(src_buf[src_offset + 1] * alpha); + pDest[dest_offset + 2] = (FX_BYTE)(src_buf[src_offset] * alpha); + dest_offset += 3; + src_offset += bpp == 24 ? 3 : 4; + } + if (bStream) { + pFileWrite->WriteBlock(pDest, dest_pitch); + pDest = dest_buf; + } else { + pDest += dest_pitch; + } + dest_offset = 0; + } + if (bStream) { + FX_Free(dest_buf); + dest_buf = NULL; + } + } + if (m_pStream == NULL) { + m_pStream = FX_NEW CPDF_Stream(NULL, 0, NULL); + } + if (!bStream) { + m_pStream->InitStream(dest_buf, dest_size, pDict); + } else { + pFileWrite->Flush(); + m_pStream->InitStream(pFileRead, pDict); + } + m_bIsMask = pBitmap->IsAlphaMask(); + m_Width = BitmapWidth; + m_Height = BitmapHeight; + if (dest_buf) { + FX_Free(dest_buf); + } +} +void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) +{ + pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap); +} -- cgit v1.2.3