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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fpdfapi/fpdf_edit
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fpdfapi/fpdf_edit')
-rw-r--r--core/fpdfapi/fpdf_edit/editint.h74
-rw-r--r--core/fpdfapi/fpdf_edit/fpdf_edit_content.cpp162
-rw-r--r--core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp2076
-rw-r--r--core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp1156
-rw-r--r--core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp391
5 files changed, 3859 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_edit/editint.h b/core/fpdfapi/fpdf_edit/editint.h
new file mode 100644
index 0000000000..2e4b0cc067
--- /dev/null
+++ b/core/fpdfapi/fpdf_edit/editint.h
@@ -0,0 +1,74 @@
+// 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 CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
+#define CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
+
+#include <vector>
+
+#include "core/include/fxcrt/fx_basic.h"
+#include "core/include/fxcrt/fx_stream.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Creator;
+class CPDF_Object;
+
+class CPDF_ObjectStream {
+ public:
+ CPDF_ObjectStream();
+
+ FX_BOOL Start();
+
+ int32_t CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object* pObj);
+ int32_t CompressIndirectObject(FX_DWORD dwObjNum,
+ const uint8_t* pBuffer,
+ FX_DWORD dwSize);
+
+ FX_FILESIZE End(CPDF_Creator* pCreator);
+
+ CFX_DWordArray m_ObjNumArray;
+
+ CFX_ByteTextBuf m_Buffer;
+ FX_DWORD m_dwObjNum;
+ int32_t m_index;
+
+ protected:
+ CFX_DWordArray m_OffsetArray;
+};
+class CPDF_XRefStream {
+ public:
+ struct Index {
+ FX_DWORD objnum;
+ FX_DWORD count;
+ };
+
+ CPDF_XRefStream();
+
+ FX_BOOL Start();
+ int32_t CompressIndirectObject(FX_DWORD dwObjNum,
+ const CPDF_Object* pObj,
+ CPDF_Creator* pCreator);
+ int32_t CompressIndirectObject(FX_DWORD dwObjNum,
+ const uint8_t* pBuffer,
+ FX_DWORD dwSize,
+ CPDF_Creator* pCreator);
+ FX_BOOL End(CPDF_Creator* pCreator, FX_BOOL bEOF = FALSE);
+ void AddObjectNumberToIndexArray(FX_DWORD objnum);
+ FX_BOOL EndXRefStream(CPDF_Creator* pCreator);
+
+ std::vector<Index> m_IndexArray;
+ FX_FILESIZE m_PrevOffset;
+ FX_DWORD m_dwTempObjNum;
+
+ protected:
+ int32_t EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF = TRUE);
+ FX_BOOL GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF);
+ size_t m_iSeg;
+ CPDF_ObjectStream m_ObjStream;
+ CFX_ByteTextBuf m_Buffer;
+};
+
+#endif // CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_content.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_content.cpp
new file mode 100644
index 0000000000..ad77455949
--- /dev/null
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_content.cpp
@@ -0,0 +1,162 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_parser_decode.h"
+#include "core/include/fpdfapi/fpdf_serial.h"
+
+CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) {
+ ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " "
+ << matrix.e << " " << matrix.f;
+ return ar;
+}
+
+CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage)
+ : m_pPage(pPage), m_pDocument(m_pPage->m_pDocument) {
+ for (const auto& pObj : *pPage->GetPageObjectList())
+ InsertPageObject(pObj.get());
+}
+
+FX_BOOL CPDF_PageContentGenerator::InsertPageObject(
+ CPDF_PageObject* pPageObject) {
+ return pPageObject && m_pageObjects.Add(pPageObject);
+}
+
+void CPDF_PageContentGenerator::GenerateContent() {
+ CFX_ByteTextBuf buf;
+ CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict;
+ for (int i = 0; i < m_pageObjects.GetSize(); ++i) {
+ CPDF_PageObject* pPageObj = m_pageObjects[i];
+ if (!pPageObj || !pPageObj->IsImage()) {
+ continue;
+ }
+ ProcessImage(buf, pPageObj->AsImage());
+ }
+ CPDF_Object* pContent =
+ pPageDict ? pPageDict->GetElementValue("Contents") : NULL;
+ if (pContent) {
+ pPageDict->RemoveAt("Contents");
+ }
+ CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+ pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
+ m_pDocument->AddIndirectObject(pStream);
+ pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum());
+}
+CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
+ CPDF_Object* pResourceObj,
+ const FX_CHAR* szType) {
+ if (!m_pPage->m_pResources) {
+ m_pPage->m_pResources = new CPDF_Dictionary;
+ int objnum = m_pDocument->AddIndirectObject(m_pPage->m_pResources);
+ m_pPage->m_pFormDict->SetAtReference("Resources", m_pDocument, objnum);
+ }
+ CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictBy(szType);
+ if (!pResList) {
+ pResList = new CPDF_Dictionary;
+ m_pPage->m_pResources->SetAt(szType, pResList);
+ }
+ m_pDocument->AddIndirectObject(pResourceObj);
+ CFX_ByteString name;
+ int idnum = 1;
+ while (1) {
+ name.Format("FX%c%d", szType[0], idnum);
+ if (!pResList->KeyExist(name)) {
+ break;
+ }
+ idnum++;
+ }
+ pResList->AddReference(name, m_pDocument, pResourceObj->GetObjNum());
+ return name;
+}
+void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf& buf,
+ CPDF_ImageObject* pImageObj) {
+ if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) ||
+ (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) {
+ return;
+ }
+ buf << "q " << pImageObj->m_Matrix << " cm ";
+ if (!pImageObj->m_pImage->IsInline()) {
+ CPDF_Stream* pStream = pImageObj->m_pImage->GetStream();
+ FX_DWORD dwSavedObjNum = pStream->GetObjNum();
+ CFX_ByteString name = RealizeResource(pStream, "XObject");
+ if (dwSavedObjNum == 0) {
+ if (pImageObj->m_pImage)
+ pImageObj->m_pImage->Release();
+ pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pStream);
+ }
+ buf << "/" << PDF_NameEncode(name) << " Do Q\n";
+ }
+}
+void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
+ const uint8_t* data,
+ FX_DWORD size,
+ CFX_Matrix& matrix) {
+ if (!data || !size) {
+ return;
+ }
+ CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+ CPDF_Dictionary* pFormDict = new CPDF_Dictionary;
+ pFormDict->SetAtName("Type", "XObject");
+ pFormDict->SetAtName("Subtype", "Form");
+ CFX_FloatRect bbox = m_pPage->GetPageBBox();
+ matrix.TransformRect(bbox);
+ pFormDict->SetAtRect("BBox", bbox);
+ pStream->InitStream((uint8_t*)data, size, pFormDict);
+ buf << "q " << matrix << " cm ";
+ CFX_ByteString name = RealizeResource(pStream, "XObject");
+ buf << "/" << PDF_NameEncode(name) << " Do Q\n";
+}
+void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
+ CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
+ CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL;
+ if (!pContent)
+ return;
+
+ CFX_ByteTextBuf buf;
+ if (CPDF_Array* pArray = pContent->AsArray()) {
+ int iCount = pArray->GetCount();
+ CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount);
+ int size = 0;
+ int i = 0;
+ for (i = 0; i < iCount; ++i) {
+ pContent = pArray->GetElement(i);
+ CPDF_Stream* pStream = ToStream(pContent);
+ if (!pStream)
+ continue;
+
+ CPDF_StreamAcc* pStreamAcc = new CPDF_StreamAcc();
+ pStreamAcc->LoadAllData(pStream);
+ pContentArray[i] = pStreamAcc;
+ size += pContentArray[i]->GetSize() + 1;
+ }
+ int pos = 0;
+ uint8_t* pBuf = FX_Alloc(uint8_t, size);
+ for (i = 0; i < iCount; ++i) {
+ FXSYS_memcpy(pBuf + pos, pContentArray[i]->GetData(),
+ pContentArray[i]->GetSize());
+ pos += pContentArray[i]->GetSize() + 1;
+ pBuf[pos - 1] = ' ';
+ delete pContentArray[i];
+ }
+ ProcessForm(buf, pBuf, size, matrix);
+ FX_Free(pBuf);
+ FX_Free(pContentArray);
+ } else if (CPDF_Stream* pStream = pContent->AsStream()) {
+ CPDF_StreamAcc contentStream;
+ contentStream.LoadAllData(pStream);
+ ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
+ }
+ CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+ pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
+ m_pDocument->AddIndirectObject(pStream);
+ m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument,
+ pStream->GetObjNum());
+}
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
new file mode 100644
index 0000000000..2dc2e3eb8e
--- /dev/null
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -0,0 +1,2076 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_edit/editint.h"
+
+#include <vector>
+
+#include "core/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/cpdf_parser.h"
+#include "core/include/fpdfapi/cpdf_reference.h"
+#include "core/include/fpdfapi/cpdf_string.h"
+#include "core/include/fpdfapi/fpdf_parser_decode.h"
+#include "core/include/fpdfapi/fpdf_serial.h"
+#include "core/include/fpdfapi/ipdf_crypto_handler.h"
+#include "core/include/fxcrt/fx_ext.h"
+#include "third_party/base/stl_util.h"
+
+#define PDF_OBJECTSTREAM_MAXLENGTH (256 * 1024)
+#define PDF_XREFSTREAM_MAXSIZE 10000
+
+// TODO(ochang): Make helper for appending "objnum 0 R ".
+
+namespace {
+
+int32_t PDF_CreatorAppendObject(const CPDF_Object* pObj,
+ CFX_FileBufferArchive* pFile,
+ FX_FILESIZE& offset) {
+ int32_t len = 0;
+ if (!pObj) {
+ if (pFile->AppendString(" null") < 0) {
+ return -1;
+ }
+ offset += 5;
+ return 1;
+ }
+ switch (pObj->GetType()) {
+ case CPDF_Object::NULLOBJ:
+ if (pFile->AppendString(" null") < 0) {
+ return -1;
+ }
+ offset += 5;
+ break;
+ case CPDF_Object::BOOLEAN:
+ case CPDF_Object::NUMBER:
+ if (pFile->AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendString(pObj->GetString())) < 0) {
+ return -1;
+ }
+ offset += len + 1;
+ break;
+ case CPDF_Object::STRING: {
+ CFX_ByteString str = pObj->GetString();
+ FX_BOOL bHex = pObj->AsString()->IsHex();
+ if ((len = pFile->AppendString(PDF_EncodeString(str, bHex))) < 0) {
+ return -1;
+ }
+ offset += len;
+ break;
+ }
+ case CPDF_Object::NAME: {
+ if (pFile->AppendString("/") < 0) {
+ return -1;
+ }
+ CFX_ByteString str = pObj->GetString();
+ if ((len = pFile->AppendString(PDF_NameEncode(str))) < 0) {
+ return -1;
+ }
+ offset += len + 1;
+ break;
+ }
+ case CPDF_Object::REFERENCE: {
+ if (pFile->AppendString(" ") < 0)
+ return -1;
+ if ((len = pFile->AppendDWord(pObj->AsReference()->GetRefObjNum())) < 0)
+ return -1;
+ if (pFile->AppendString(" 0 R ") < 0)
+ return -1;
+ offset += len + 6;
+ break;
+ }
+ case CPDF_Object::ARRAY: {
+ if (pFile->AppendString("[") < 0) {
+ return -1;
+ }
+ offset += 1;
+ const CPDF_Array* p = pObj->AsArray();
+ for (FX_DWORD i = 0; i < p->GetCount(); i++) {
+ CPDF_Object* pElement = p->GetElement(i);
+ if (pElement->GetObjNum()) {
+ if (pFile->AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord(pElement->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString(" 0 R") < 0) {
+ return -1;
+ }
+ offset += len + 5;
+ } else {
+ if (PDF_CreatorAppendObject(pElement, pFile, offset) < 0) {
+ return -1;
+ }
+ }
+ }
+ if (pFile->AppendString("]") < 0) {
+ return -1;
+ }
+ offset += 1;
+ break;
+ }
+ case CPDF_Object::DICTIONARY: {
+ if (pFile->AppendString("<<") < 0) {
+ return -1;
+ }
+ offset += 2;
+ const CPDF_Dictionary* p = pObj->AsDictionary();
+ for (const auto& it : *p) {
+ const CFX_ByteString& key = it.first;
+ CPDF_Object* pValue = it.second;
+ if (pFile->AppendString("/") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) {
+ return -1;
+ }
+ offset += len + 1;
+ if (pValue->GetObjNum()) {
+ if (pFile->AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString(" 0 R") < 0) {
+ return -1;
+ }
+ offset += len + 5;
+ } else {
+ if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) {
+ return -1;
+ }
+ }
+ }
+ if (pFile->AppendString(">>") < 0) {
+ return -1;
+ }
+ offset += 2;
+ break;
+ }
+ case CPDF_Object::STREAM: {
+ const CPDF_Stream* p = pObj->AsStream();
+ if (PDF_CreatorAppendObject(p->GetDict(), pFile, offset) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString("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("\r\nendstream")) < 0) {
+ return -1;
+ }
+ offset += len;
+ break;
+ }
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+ return 1;
+}
+
+int32_t PDF_CreatorWriteTrailer(CPDF_Document* pDocument,
+ CFX_FileBufferArchive* pFile,
+ CPDF_Array* pIDArray,
+ FX_BOOL bCompress) {
+ FX_FILESIZE offset = 0;
+ int32_t len = 0;
+ FXSYS_assert(pDocument && pFile);
+ CPDF_Parser* pParser = (CPDF_Parser*)pDocument->GetParser();
+ if (pParser) {
+ CPDF_Dictionary* p = pParser->GetTrailer();
+ for (const auto& it : *p) {
+ const CFX_ByteString& key = it.first;
+ CPDF_Object* pValue = it.second;
+ if (key == "Encrypt" || key == "Size" || key == "Filter" ||
+ key == "Index" || key == "Length" || key == "Prev" || key == "W" ||
+ key == "XRefStm" || key == "Type" || key == "ID") {
+ continue;
+ }
+ if (bCompress && key == "DecodeParms") {
+ continue;
+ }
+ if (pFile->AppendString(("/")) < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) {
+ return -1;
+ }
+ offset += len + 1;
+ if (pValue->GetObjNum()) {
+ if (pFile->AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString(" 0 R ") < 0) {
+ return -1;
+ }
+ offset += len + 6;
+ } else {
+ if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) {
+ return -1;
+ }
+ }
+ }
+ if (pIDArray) {
+ if (pFile->AppendString(("/ID")) < 0) {
+ return -1;
+ }
+ offset += 3;
+ if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) {
+ return -1;
+ }
+ }
+ return offset;
+ }
+ if (pFile->AppendString("\r\n/Root ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord(pDocument->GetRoot()->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString(" 0 R\r\n") < 0) {
+ return -1;
+ }
+ offset += len + 14;
+ if (pDocument->GetInfo()) {
+ if (pFile->AppendString("/Info ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord(pDocument->GetInfo()->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString(" 0 R\r\n") < 0) {
+ return -1;
+ }
+ offset += len + 12;
+ }
+ if (pIDArray) {
+ if (pFile->AppendString(("/ID")) < 0) {
+ return -1;
+ }
+ offset += 3;
+ if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) {
+ return -1;
+ }
+ }
+ return offset;
+}
+
+int32_t PDF_CreatorWriteEncrypt(const CPDF_Dictionary* pEncryptDict,
+ FX_DWORD dwObjNum,
+ CFX_FileBufferArchive* pFile) {
+ if (!pEncryptDict) {
+ return 0;
+ }
+ FXSYS_assert(pFile);
+ FX_FILESIZE offset = 0;
+ int32_t len = 0;
+ if (pFile->AppendString("/Encrypt") < 0) {
+ return -1;
+ }
+ offset += 8;
+ if (pFile->AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord(dwObjNum)) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString(" 0 R ") < 0) {
+ return -1;
+ }
+ offset += len + 6;
+ return offset;
+}
+
+std::vector<uint8_t> PDF_GenerateFileID(FX_DWORD dwSeed1, FX_DWORD dwSeed2) {
+ std::vector<uint8_t> buffer(sizeof(FX_DWORD) * 4);
+ FX_DWORD* pBuffer = reinterpret_cast<FX_DWORD*>(buffer.data());
+ void* pContext = FX_Random_MT_Start(dwSeed1);
+ for (int i = 0; i < 2; ++i)
+ *pBuffer++ = FX_Random_MT_Generate(pContext);
+ FX_Random_MT_Close(pContext);
+ pContext = FX_Random_MT_Start(dwSeed2);
+ for (int i = 0; i < 2; ++i)
+ *pBuffer++ = FX_Random_MT_Generate(pContext);
+ FX_Random_MT_Close(pContext);
+ return buffer;
+}
+
+void AppendIndex0(CFX_ByteTextBuf& buffer, bool bFirstObject) {
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ const uint8_t byte = bFirstObject ? 0xFF : 0;
+ buffer.AppendByte(byte);
+ buffer.AppendByte(byte);
+}
+
+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);
+}
+
+void AppendIndex2(CFX_ByteTextBuf& buffer, FX_DWORD objnum, int32_t 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));
+}
+
+bool IsXRefNeedEnd(CPDF_XRefStream* pXRef, FX_DWORD flag) {
+ if (!(flag & FPDFCREATE_INCREMENTAL))
+ return false;
+
+ FX_DWORD iCount = 0;
+ for (const auto& pair : pXRef->m_IndexArray)
+ iCount += pair.count;
+
+ return iCount >= PDF_XREFSTREAM_MAXSIZE;
+}
+
+int32_t OutputIndex(CFX_FileBufferArchive* pFile, FX_FILESIZE offset) {
+ 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;
+}
+
+class CPDF_FlateEncoder {
+ public:
+ CPDF_FlateEncoder();
+ ~CPDF_FlateEncoder();
+ FX_BOOL Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode);
+ FX_BOOL Initialize(const uint8_t* pBuffer,
+ FX_DWORD size,
+ FX_BOOL bFlateEncode,
+ FX_BOOL bXRefStream = FALSE);
+ void CloneDict();
+ uint8_t* 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 = ToDictionary(m_pDict->Clone());
+ ASSERT(m_pDict);
+ m_bCloned = TRUE;
+ }
+}
+FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream,
+ FX_BOOL bFlateEncode) {
+ m_Acc.LoadAllData(pStream, TRUE);
+ if ((pStream && pStream->GetDict() &&
+ pStream->GetDict()->KeyExist("Filter")) ||
+ !bFlateEncode) {
+ if (pStream->GetDict()->KeyExist("Filter") && !bFlateEncode) {
+ CPDF_StreamAcc destAcc;
+ destAcc.LoadAllData(pStream);
+ m_dwSize = destAcc.GetSize();
+ m_pData = (uint8_t*)destAcc.DetachData();
+ m_pDict = ToDictionary(pStream->GetDict()->Clone());
+ m_pDict->RemoveAt("Filter");
+ m_bNewData = TRUE;
+ m_bCloned = TRUE;
+ } else {
+ m_pData = (uint8_t*)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 = ToDictionary(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(const uint8_t* pBuffer,
+ FX_DWORD size,
+ FX_BOOL bFlateEncode,
+ FX_BOOL bXRefStream) {
+ if (!bFlateEncode) {
+ m_pData = (uint8_t*)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) {
+ FX_Free(m_pData);
+ }
+}
+class CPDF_Encryptor {
+ public:
+ CPDF_Encryptor();
+ ~CPDF_Encryptor();
+ FX_BOOL Initialize(IPDF_CryptoHandler* pHandler,
+ int objnum,
+ uint8_t* src_data,
+ FX_DWORD src_size);
+ uint8_t* 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(IPDF_CryptoHandler* pHandler,
+ int objnum,
+ uint8_t* src_data,
+ FX_DWORD src_size) {
+ if (src_size == 0) {
+ return TRUE;
+ }
+ if (!pHandler) {
+ m_pData = (uint8_t*)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(uint8_t, m_dwSize);
+ 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);
+ }
+}
+
+} // namespace
+
+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;
+}
+int32_t 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;
+}
+int32_t CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum,
+ const uint8_t* 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;
+ IPDF_CryptoHandler* pHandler = pCreator->m_pCryptoHandler;
+ FX_FILESIZE ObjOffset = pCreator->m_Offset;
+ if (!m_dwObjNum) {
+ m_dwObjNum = ++pCreator->m_dwLastObjNum;
+ }
+ CFX_ByteTextBuf tempBuffer;
+ int32_t iCount = m_ObjNumArray.GetSize();
+ for (int32_t i = 0; i < iCount; i++) {
+ tempBuffer << m_ObjNumArray.ElementAt(i) << " "
+ << m_OffsetArray.ElementAt(i) << " ";
+ }
+ FX_FILESIZE& offset = pCreator->m_Offset;
+ int32_t len = pFile->AppendDWord(m_dwObjNum);
+ if (len < 0) {
+ return -1;
+ }
+ offset += len;
+ if ((len = pFile->AppendString(" 0 obj\r\n<</Type /ObjStm /N ")) < 0) {
+ return -1;
+ }
+ offset += len;
+ if ((len = pFile->AppendDWord((FX_DWORD)iCount)) < 0) {
+ return -1;
+ }
+ offset += len;
+ if (pFile->AppendString("/First ") < 0) {
+ return -1;
+ }
+ if ((len = pFile->AppendDWord((FX_DWORD)tempBuffer.GetLength())) < 0) {
+ return -1;
+ }
+ if (pFile->AppendString("/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(">>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("/Filter /FlateDecode") < 0) {
+ return -1;
+ }
+ offset += 20;
+ }
+ if ((len = pFile->AppendString(">>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("\r\nendstream\r\nendobj\r\n")) < 0) {
+ return -1;
+ }
+ offset += len;
+ return ObjOffset;
+}
+CPDF_XRefStream::CPDF_XRefStream()
+ : m_PrevOffset(0), m_dwTempObjNum(0), m_iSeg(0) {}
+FX_BOOL CPDF_XRefStream::Start() {
+ m_IndexArray.clear();
+ m_Buffer.Clear();
+ m_iSeg = 0;
+ return TRUE;
+}
+int32_t 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);
+}
+int32_t CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum,
+ const uint8_t* 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);
+}
+
+int32_t 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;
+ }
+ int32_t iSize = m_ObjStream.m_ObjNumArray.GetSize();
+ size_t iSeg = m_IndexArray.size();
+ if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) {
+ if (m_dwTempObjNum == 0) {
+ AppendIndex0(m_Buffer, true);
+ m_dwTempObjNum++;
+ }
+ FX_DWORD end_num = m_IndexArray.back().objnum + m_IndexArray.back().count;
+ 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_ObjectOffset[dwObjStmNum] = objOffset;
+ }
+ m_iSeg = iSeg;
+ if (bEOF) {
+ m_ObjStream.Start();
+ }
+ return 1;
+ }
+ for (auto it = m_IndexArray.begin() + m_iSeg; it != m_IndexArray.end();
+ ++it) {
+ for (FX_DWORD m = it->objnum; m < it->objnum + it->count; ++m) {
+ if (m_ObjStream.m_index >= iSize ||
+ m != m_ObjStream.m_ObjNumArray.ElementAt(it - m_IndexArray.begin())) {
+ AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[m]);
+ } else {
+ AppendIndex2(m_Buffer, dwObjStmNum, m_ObjStream.m_index++);
+ }
+ }
+ }
+ if (iSize > 0 && bEOF) {
+ AppendIndex1(m_Buffer, objOffset);
+ m_IndexArray.push_back({dwObjStmNum, 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;
+ int32_t len = pFile->AppendDWord(objnum);
+ if (len < 0) {
+ return FALSE;
+ }
+ offset += len;
+ if ((len = pFile->AppendString(" 0 obj\r\n<</Type /XRef/W[1 4 2]/Index[")) <
+ 0) {
+ return FALSE;
+ }
+ offset += len;
+ if (!bIncremental) {
+ if ((len = pFile->AppendDWord(0)) < 0) {
+ return FALSE;
+ }
+ if ((len = pFile->AppendString(" ")) < 0) {
+ return FALSE;
+ }
+ offset += len + 1;
+ if ((len = pFile->AppendDWord(objnum + 1)) < 0) {
+ return FALSE;
+ }
+ offset += len;
+ } else {
+ for (const auto& pair : m_IndexArray) {
+ if ((len = pFile->AppendDWord(pair.objnum)) < 0) {
+ return FALSE;
+ }
+ if (pFile->AppendString(" ") < 0) {
+ return FALSE;
+ }
+ offset += len + 1;
+ if ((len = pFile->AppendDWord(pair.count)) < 0) {
+ return FALSE;
+ }
+ if (pFile->AppendString(" ") < 0) {
+ return FALSE;
+ }
+ offset += len + 1;
+ }
+ }
+ if (pFile->AppendString("]/Size ") < 0) {
+ return FALSE;
+ }
+ if ((len = pFile->AppendDWord(objnum + 1)) < 0) {
+ return FALSE;
+ }
+ offset += len + 7;
+ if (m_PrevOffset > 0) {
+ if (pFile->AppendString("/Prev ") < 0) {
+ return FALSE;
+ }
+ FX_CHAR offset_buf[20];
+ FXSYS_memset(offset_buf, 0, sizeof(offset_buf));
+ FXSYS_i64toa(m_PrevOffset, offset_buf, 10);
+ int32_t len = (int32_t)FXSYS_strlen(offset_buf);
+ if (pFile->AppendBlock(offset_buf, len) < 0) {
+ return FALSE;
+ }
+ 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("/Filter /FlateDecode") < 0) {
+ return FALSE;
+ }
+ offset += 20;
+ if (bPredictor) {
+ if ((len = pFile->AppendString(
+ "/DecodeParms<</Columns 7/Predictor 12>>")) < 0) {
+ return FALSE;
+ }
+ offset += len;
+ }
+ }
+ if (pFile->AppendString("/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 FALSE;
+ }
+ 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 FALSE;
+ }
+ offset += len;
+ }
+ }
+ if ((len = pFile->AppendString(">>stream\r\n")) < 0) {
+ return FALSE;
+ }
+ offset += len;
+ if (pFile->AppendBlock(encoder.m_pData, encoder.m_dwSize) < 0) {
+ return FALSE;
+ }
+ if ((len = pFile->AppendString("\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, true);
+ 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 {
+ for (const auto& pair : m_IndexArray) {
+ for (FX_DWORD j = pair.objnum; j < pair.objnum + pair.count; ++j)
+ AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[j]);
+ }
+ }
+ return GenerateXRefStream(pCreator, FALSE);
+}
+void CPDF_XRefStream::AddObjectNumberToIndexArray(FX_DWORD objnum) {
+ if (m_IndexArray.empty()) {
+ m_IndexArray.push_back({objnum, 1});
+ return;
+ }
+ FX_DWORD next_objnum = m_IndexArray.back().objnum + m_IndexArray.back().count;
+ if (objnum == next_objnum)
+ m_IndexArray.back().count += 1;
+ else
+ m_IndexArray.push_back({objnum, 1});
+}
+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();
+}
+
+int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) {
+ if (!m_pXRefStream)
+ return 1;
+
+ FX_DWORD objnum = pObj->GetObjNum();
+ if (m_pParser && m_pParser->GetObjectGenNum(objnum) > 0)
+ return 1;
+
+ if (pObj->IsNumber())
+ return 1;
+
+ CPDF_Dictionary* pDict = pObj->GetDict();
+ if (pObj->IsStream()) {
+ if (pDict && pDict->GetStringBy("Type") == "XRef")
+ return 0;
+ return 1;
+ }
+
+ if (pDict) {
+ if (pDict == m_pDocument->m_pRootDict || pDict == m_pEncryptDict)
+ return 1;
+ if (pDict->IsSignatureDict())
+ return 1;
+ if (pDict->GetStringBy("Type") == "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;
+}
+int32_t CPDF_Creator::WriteIndirectObjectToStream(FX_DWORD objnum,
+ const uint8_t* pBuffer,
+ FX_DWORD dwSize) {
+ if (!m_pXRefStream) {
+ return 1;
+ }
+ m_pXRefStream->AddObjectNumberToIndexArray(objnum);
+ int32_t 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;
+}
+int32_t 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;
+}
+int32_t CPDF_Creator::WriteStream(const CPDF_Object* pStream,
+ FX_DWORD objnum,
+ IPDF_CryptoHandler* pCrypto) {
+ CPDF_FlateEncoder encoder;
+ encoder.Initialize(const_cast<CPDF_Stream*>(pStream->AsStream()),
+ 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->GetIntegerBy("Length") != encryptor.m_dwSize) {
+ encoder.CloneDict();
+ encoder.m_pDict->SetAtInteger("Length", encryptor.m_dwSize);
+ }
+ if (WriteDirectObj(objnum, encoder.m_pDict) < 0) {
+ return -1;
+ }
+ int len = m_File.AppendString("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("\r\nendstream")) < 0) {
+ return -1;
+ }
+ m_Offset += len;
+ return 1;
+}
+int32_t CPDF_Creator::WriteIndirectObj(FX_DWORD objnum,
+ const CPDF_Object* pObj) {
+ int32_t len = m_File.AppendDWord(objnum);
+ if (len < 0)
+ return -1;
+
+ m_Offset += len;
+ if ((len = m_File.AppendString(" 0 obj\r\n")) < 0)
+ return -1;
+
+ m_Offset += len;
+ if (pObj->IsStream()) {
+ IPDF_CryptoHandler* pHandler = nullptr;
+ 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("\r\nendobj\r\n")) < 0)
+ return -1;
+
+ m_Offset += len;
+ if (AppendObjectNumberToXRef(objnum) < 0)
+ return -1;
+ return 0;
+}
+int32_t CPDF_Creator::WriteIndirectObj(const CPDF_Object* pObj) {
+ int32_t iRet = WriteIndirectObjectToStream(pObj);
+ if (iRet < 1) {
+ return iRet;
+ }
+ return WriteIndirectObj(pObj->GetObjNum(), pObj);
+}
+int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum,
+ const CPDF_Object* pObj,
+ FX_BOOL bEncrypt) {
+ int32_t len = 0;
+ if (!pObj) {
+ if (m_File.AppendString(" null") < 0) {
+ return -1;
+ }
+ m_Offset += 5;
+ return 1;
+ }
+ switch (pObj->GetType()) {
+ case CPDF_Object::NULLOBJ:
+ if (m_File.AppendString(" null") < 0) {
+ return -1;
+ }
+ m_Offset += 5;
+ break;
+ case CPDF_Object::BOOLEAN:
+ case CPDF_Object::NUMBER:
+ if (m_File.AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = m_File.AppendString(pObj->GetString())) < 0) {
+ return -1;
+ }
+ m_Offset += len + 1;
+ break;
+ case CPDF_Object::STRING: {
+ CFX_ByteString str = pObj->GetString();
+ FX_BOOL bHex = pObj->AsString()->IsHex();
+ if (!m_pCryptoHandler || !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, (uint8_t*)str.c_str(),
+ str.GetLength());
+ CFX_ByteString content = PDF_EncodeString(
+ CFX_ByteString((const FX_CHAR*)encryptor.m_pData, encryptor.m_dwSize),
+ bHex);
+ if ((len = m_File.AppendString(content)) < 0) {
+ return -1;
+ }
+ m_Offset += len;
+ break;
+ }
+ case CPDF_Object::STREAM: {
+ CPDF_FlateEncoder encoder;
+ encoder.Initialize(const_cast<CPDF_Stream*>(pObj->AsStream()),
+ m_bCompress);
+ CPDF_Encryptor encryptor;
+ IPDF_CryptoHandler* pHandler = m_pCryptoHandler;
+ encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize);
+ if ((FX_DWORD)encoder.m_pDict->GetIntegerBy("Length") !=
+ encryptor.m_dwSize) {
+ encoder.CloneDict();
+ encoder.m_pDict->SetAtInteger("Length", encryptor.m_dwSize);
+ }
+ if (WriteDirectObj(objnum, encoder.m_pDict) < 0) {
+ return -1;
+ }
+ if ((len = m_File.AppendString("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("\r\nendstream")) < 0) {
+ return -1;
+ }
+ m_Offset += len;
+ break;
+ }
+ case CPDF_Object::NAME: {
+ if (m_File.AppendString("/") < 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 CPDF_Object::REFERENCE: {
+ if (m_File.AppendString(" ") < 0)
+ return -1;
+ if ((len = m_File.AppendDWord(pObj->AsReference()->GetRefObjNum())) < 0)
+ return -1;
+ if (m_File.AppendString(" 0 R") < 0)
+ return -1;
+ m_Offset += len + 5;
+ break;
+ }
+ case CPDF_Object::ARRAY: {
+ if (m_File.AppendString("[") < 0) {
+ return -1;
+ }
+ m_Offset += 1;
+ const CPDF_Array* p = pObj->AsArray();
+ for (FX_DWORD i = 0; i < p->GetCount(); i++) {
+ CPDF_Object* pElement = p->GetElement(i);
+ if (pElement->GetObjNum()) {
+ if (m_File.AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = m_File.AppendDWord(pElement->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 0 R") < 0) {
+ return -1;
+ }
+ m_Offset += len + 5;
+ } else {
+ if (WriteDirectObj(objnum, pElement) < 0) {
+ return -1;
+ }
+ }
+ }
+ if (m_File.AppendString("]") < 0) {
+ return -1;
+ }
+ m_Offset += 1;
+ break;
+ }
+ case CPDF_Object::DICTIONARY: {
+ if (!m_pCryptoHandler || pObj == m_pEncryptDict) {
+ return PDF_CreatorAppendObject(pObj, &m_File, m_Offset);
+ }
+ if (m_File.AppendString("<<") < 0) {
+ return -1;
+ }
+ m_Offset += 2;
+ const CPDF_Dictionary* p = pObj->AsDictionary();
+ bool bSignDict = p->IsSignatureDict();
+ for (const auto& it : *p) {
+ FX_BOOL bSignValue = FALSE;
+ const CFX_ByteString& key = it.first;
+ CPDF_Object* pValue = it.second;
+ if (m_File.AppendString("/") < 0) {
+ return -1;
+ }
+ if ((len = m_File.AppendString(PDF_NameEncode(key))) < 0) {
+ return -1;
+ }
+ m_Offset += len + 1;
+ if (bSignDict && key == "Contents") {
+ bSignValue = TRUE;
+ }
+ if (pValue->GetObjNum()) {
+ if (m_File.AppendString(" ") < 0) {
+ return -1;
+ }
+ if ((len = m_File.AppendDWord(pValue->GetObjNum())) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 0 R ") < 0) {
+ return -1;
+ }
+ m_Offset += len + 6;
+ } else {
+ if (WriteDirectObj(objnum, pValue, !bSignValue) < 0) {
+ return -1;
+ }
+ }
+ }
+ if (m_File.AppendString(">>") < 0) {
+ return -1;
+ }
+ m_Offset += 2;
+ break;
+ }
+ }
+ return 1;
+}
+int32_t CPDF_Creator::WriteOldIndirectObject(FX_DWORD objnum) {
+ if (m_pParser->IsObjectFreeOrNull(objnum))
+ return 0;
+
+ m_ObjectOffset[objnum] = m_Offset;
+ FX_BOOL bExistInMap =
+ pdfium::ContainsKey(m_pDocument->m_IndirectObjs, objnum);
+ const uint8_t object_type = m_pParser->GetObjectType(objnum);
+ bool bObjStm = (object_type == 2) && m_pEncryptDict && !m_pXRefStream;
+ if (m_pParser->IsVersionUpdated() || m_bSecurityChanged || bExistInMap ||
+ bObjStm) {
+ CPDF_Object* pObj = m_pDocument->GetIndirectObject(objnum);
+ if (!pObj) {
+ m_ObjectOffset[objnum] = 0;
+ return 0;
+ }
+ if (WriteIndirectObj(pObj)) {
+ return -1;
+ }
+ if (!bExistInMap) {
+ m_pDocument->ReleaseIndirectObject(objnum);
+ }
+ } else {
+ uint8_t* pBuffer;
+ FX_DWORD size;
+ m_pParser->GetIndirectBinary(objnum, pBuffer, size);
+ if (!pBuffer) {
+ return 0;
+ }
+ if (object_type == 2) {
+ if (m_pXRefStream) {
+ if (WriteIndirectObjectToStream(objnum, pBuffer, size) < 0) {
+ FX_Free(pBuffer);
+ return -1;
+ }
+ } else {
+ int32_t len = m_File.AppendDWord(objnum);
+ if (len < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 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("\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;
+}
+int32_t CPDF_Creator::WriteOldObjs(IFX_Pause* pPause) {
+ FX_DWORD nLastObjNum = m_pParser->GetLastObjNum();
+ if (!m_pParser->IsValidObjectNumber(nLastObjNum))
+ return 0;
+
+ FX_DWORD objnum = (FX_DWORD)(uintptr_t)m_Pos;
+ for (; objnum <= nLastObjNum; ++objnum) {
+ int32_t iRet = WriteOldIndirectObject(objnum);
+ if (iRet < 0)
+ return iRet;
+
+ if (!iRet)
+ continue;
+
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_Pos = (void*)(uintptr_t)(objnum + 1);
+ return 1;
+ }
+ }
+ return 0;
+}
+int32_t CPDF_Creator::WriteNewObjs(FX_BOOL bIncremental, IFX_Pause* pPause) {
+ int32_t iCount = m_NewObjNumArray.GetSize();
+ int32_t index = (int32_t)(uintptr_t)m_Pos;
+ while (index < iCount) {
+ FX_DWORD objnum = m_NewObjNumArray.ElementAt(index);
+ auto it = m_pDocument->m_IndirectObjs.find(objnum);
+ if (it == m_pDocument->m_IndirectObjs.end()) {
+ ++index;
+ continue;
+ }
+ m_ObjectOffset[objnum] = m_Offset;
+ if (WriteIndirectObj(it->second)) {
+ return -1;
+ }
+ index++;
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_Pos = (FX_POSITION)(uintptr_t)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->IsObjectFreeOrNull(dwStart))
+ dwStart++;
+
+ if (dwStart > dwEnd)
+ break;
+
+ j = dwStart;
+ while (j <= dwEnd && !m_pParser->IsObjectFreeOrNull(j))
+ j++;
+
+ m_ObjectOffset.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;
+ for (const auto& pair : m_pDocument->m_IndirectObjs) {
+ const FX_DWORD objnum = pair.first;
+ const CPDF_Object* pObj = pair.second;
+ if (pObj->GetObjNum() == -1)
+ continue;
+ if (bIncremental) {
+ if (!pObj->IsModified())
+ continue;
+ } else if (m_pParser && m_pParser->IsValidObjectNumber(objnum) &&
+ m_pParser->GetObjectType(objnum)) {
+ continue;
+ }
+ AppendNewObjNum(objnum);
+ }
+
+ int32_t iCount = m_NewObjNumArray.GetSize();
+ if (iCount == 0) {
+ return;
+ }
+ int32_t 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);
+ bool bExist = m_pParser && m_pParser->IsValidObjectNumber(dwCurObjNum) &&
+ m_ObjectOffset.GetPtrAt(dwCurObjNum);
+ if (bExist || dwCurObjNum - dwLastObjNum > 1) {
+ if (!bNewStart)
+ m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1);
+ dwStartObjNum = dwCurObjNum;
+ }
+ if (bNewStart) {
+ dwStartObjNum = dwCurObjNum;
+ }
+ bNewStart = bExist;
+ dwLastObjNum = dwCurObjNum;
+ }
+ m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1);
+}
+void CPDF_Creator::AppendNewObjNum(FX_DWORD objbum) {
+ int32_t iStart = 0, iFind = 0;
+ int32_t iEnd = m_NewObjNumArray.GetUpperBound();
+ while (iStart <= iEnd) {
+ int32_t 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);
+}
+int32_t CPDF_Creator::WriteDoc_Stage1(IFX_Pause* pPause) {
+ FXSYS_assert(m_iStage > -1 || m_iStage < 20);
+ if (m_iStage == 0) {
+ if (!m_pParser) {
+ m_dwFlags &= ~FPDFCREATE_INCREMENTAL;
+ }
+ if (m_bSecurityChanged && (m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0) {
+ m_dwFlags &= ~FPDFCREATE_INCREMENTAL;
+ }
+ CPDF_Dictionary* pDict = m_pDocument->GetRoot();
+ m_pMetadata = pDict ? pDict->GetElementValue("Metadata") : NULL;
+ if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) {
+ m_pXRefStream = 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("%PDF-1.") < 0) {
+ return -1;
+ }
+ m_Offset += 7;
+ int32_t version = 7;
+ if (m_FileVersion) {
+ version = m_FileVersion;
+ } else if (m_pParser) {
+ version = m_pParser->GetFileVersion();
+ }
+ int32_t len = m_File.AppendDWord(version % 10);
+ if (len < 0) {
+ return -1;
+ }
+ m_Offset += len;
+ if ((len = m_File.AppendString("\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 = (void*)(uintptr_t)m_Offset;
+ m_iStage = 15;
+ }
+ }
+ if (m_iStage == 15) {
+ if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_Pos) {
+ IFX_FileRead* pSrcFile = m_pParser->GetFileAccess();
+ uint8_t buffer[4096];
+ FX_DWORD src_size = (FX_DWORD)(uintptr_t)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 = (void*)(uintptr_t)src_size;
+ return 1;
+ }
+ }
+ }
+ if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 &&
+ m_pParser->GetLastXRefOffset() == 0) {
+ InitOldObjNumOffsets();
+ FX_DWORD dwEnd = m_pParser->GetLastObjNum();
+ bool bObjStm = (m_dwFlags & FPDFCREATE_OBJECTSTREAM) != 0;
+ for (FX_DWORD objnum = 0; objnum <= dwEnd; objnum++) {
+ if (m_pParser->IsObjectFreeOrNull(objnum))
+ continue;
+
+ m_ObjectOffset[objnum] = m_pParser->GetObjectPositionOrZero(objnum);
+ if (bObjStm) {
+ m_pXRefStream->AddObjectNumberToIndexArray(objnum);
+ }
+ }
+ if (bObjStm) {
+ m_pXRefStream->EndXRefStream(this);
+ m_pXRefStream->Start();
+ }
+ }
+ m_iStage = 20;
+ }
+ InitNewObjNumOffsets();
+ return m_iStage;
+}
+int32_t 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 = (void*)(uintptr_t)0;
+ m_iStage = 21;
+ } else {
+ m_iStage = 25;
+ }
+ }
+ if (m_iStage == 21) {
+ int32_t iRet = WriteOldObjs(pPause);
+ if (iRet) {
+ return iRet;
+ }
+ m_iStage = 25;
+ }
+ if (m_iStage == 25) {
+ m_Pos = (void*)(uintptr_t)0;
+ m_iStage = 26;
+ }
+ if (m_iStage == 26) {
+ int32_t 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_dwEnryptObjNum = m_dwLastObjNum;
+ if (m_dwFlags & FPDFCREATE_INCREMENTAL) {
+ m_NewObjNumArray.Add(m_dwLastObjNum);
+ }
+ }
+ m_iStage = 80;
+ }
+ return m_iStage;
+}
+int32_t 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)
+ ? "xref\r\n"
+ : "xref\r\n0 1\r\n0000000000 65535 f\r\n";
+ if (m_File.AppendString(str) < 0) {
+ return -1;
+ }
+ m_Pos = (void*)(uintptr_t)1;
+ m_iStage = 81;
+ } else {
+ if (m_File.AppendString("xref\r\n") < 0) {
+ return -1;
+ }
+ m_Pos = (void*)(uintptr_t)0;
+ m_iStage = 82;
+ }
+ } else {
+ m_iStage = 90;
+ }
+ }
+ if (m_iStage == 81) {
+ CFX_ByteString str;
+ FX_DWORD i = (FX_DWORD)(uintptr_t)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 65535 f\r\n", j);
+ } else {
+ str.Format("%d %d\r\n", i, j - i);
+ }
+ if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) {
+ return -1;
+ }
+ while (i < j) {
+ str.Format("%010d 00000 n\r\n", m_ObjectOffset[i++]);
+ if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) {
+ return -1;
+ }
+ }
+ if (i > dwLastObjNum) {
+ break;
+ }
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_Pos = (void*)(uintptr_t)i;
+ return 1;
+ }
+ }
+ m_iStage = 90;
+ }
+ if (m_iStage == 82) {
+ CFX_ByteString str;
+ int32_t iCount = m_NewObjNumArray.GetSize();
+ int32_t i = (int32_t)(uintptr_t)m_Pos;
+ while (i < iCount) {
+ int32_t 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 65535 f\r\n", j - i + 1);
+ } else {
+ str.Format("%d %d\r\n", objnum, j - i);
+ }
+ if (m_File.AppendBlock(str.c_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(str.c_str(), str.GetLength()) < 0) {
+ return -1;
+ }
+ }
+ if (pPause && (i % 100) == 0 && pPause->NeedToPauseNow()) {
+ m_Pos = (void*)(uintptr_t)i;
+ return 1;
+ }
+ }
+ m_iStage = 90;
+ }
+ return m_iStage;
+}
+
+int32_t 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("trailer\r\n<<") < 0) {
+ return -1;
+ }
+ } else {
+ if (m_File.AppendDWord(m_pDocument->m_LastObjNum + 1) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 0 obj <<") < 0) {
+ return -1;
+ }
+ }
+ if (m_pParser) {
+ CPDF_Dictionary* p = m_pParser->GetTrailer();
+ for (const auto& it : *p) {
+ const CFX_ByteString& key = it.first;
+ CPDF_Object* pValue = it.second;
+ // TODO(ochang): Consolidate with similar check in
+ // PDF_CreatorWriteTrailer.
+ if (key == "Encrypt" || key == "Size" || key == "Filter" ||
+ key == "Index" || key == "Length" || key == "Prev" || key == "W" ||
+ key == "XRefStm" || key == "ID") {
+ continue;
+ }
+ if (m_File.AppendString(("/")) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(PDF_NameEncode(key)) < 0) {
+ return -1;
+ }
+ if (pValue->GetObjNum()) {
+ if (m_File.AppendString(" ") < 0) {
+ return -1;
+ }
+ if (m_File.AppendDWord(pValue->GetObjNum()) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 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("\r\n/Root ") < 0) {
+ return -1;
+ }
+ if (m_File.AppendDWord(m_pDocument->m_pRootDict->GetObjNum()) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 0 R\r\n") < 0) {
+ return -1;
+ }
+ if (m_pDocument->m_pInfoDict) {
+ if (m_File.AppendString("/Info ") < 0) {
+ return -1;
+ }
+ if (m_File.AppendDWord(m_pDocument->m_pInfoDict->GetObjNum()) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 0 R\r\n") < 0) {
+ return -1;
+ }
+ }
+ }
+ if (m_pEncryptDict) {
+ if (m_File.AppendString("/Encrypt") < 0) {
+ return -1;
+ }
+ FX_DWORD dwObjNum = m_pEncryptDict->GetObjNum();
+ if (dwObjNum == 0) {
+ dwObjNum = m_pDocument->GetLastObjNum() + 1;
+ }
+ if (m_File.AppendString(" ") < 0) {
+ return -1;
+ }
+ if (m_File.AppendDWord(dwObjNum) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(" 0 R ") < 0) {
+ return -1;
+ }
+ }
+ if (m_File.AppendString("/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("/Prev ") < 0) {
+ return -1;
+ }
+ FX_CHAR offset_buf[20];
+ FXSYS_memset(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(("/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(">>") < 0) {
+ return -1;
+ }
+ } else {
+ if (m_File.AppendString("/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(" 1 ") < 0) {
+ return -1;
+ }
+ }
+ if (m_File.AppendString("]/Length ") < 0) {
+ return -1;
+ }
+ if (m_File.AppendDWord(m_dwLastObjNum * 5) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(">>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();
+ int32_t 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(" 1 ") < 0) {
+ return -1;
+ }
+ }
+ if (m_File.AppendString("]/Length ") < 0) {
+ return -1;
+ }
+ if (m_File.AppendDWord(count * 5) < 0) {
+ return -1;
+ }
+ if (m_File.AppendString(">>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("\r\nendstream") < 0) {
+ return -1;
+ }
+ }
+ }
+ if (m_File.AppendString("\r\nstartxref\r\n") < 0) {
+ return -1;
+ }
+ FX_CHAR offset_buf[20];
+ FXSYS_memset(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("\r\n%%EOF\r\n") < 0) {
+ return -1;
+ }
+ m_File.Flush();
+ return m_iStage = 100;
+}
+void CPDF_Creator::Clear() {
+ delete m_pXRefStream;
+ m_pXRefStream = NULL;
+ m_File.Clear();
+ m_NewObjNumArray.RemoveAll();
+ if (m_pIDArray) {
+ m_pIDArray->Release();
+ m_pIDArray = NULL;
+ }
+}
+
+bool CPDF_Creator::Create(IFX_StreamWrite* pFile, FX_DWORD flags) {
+ m_File.AttachFile(pFile);
+ return Create(flags);
+}
+
+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_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) {
+ m_pIDArray = new CPDF_Array;
+ CPDF_Object* pID1 = pOldIDArray ? pOldIDArray->GetElement(0) : NULL;
+ if (pID1) {
+ m_pIDArray->Add(pID1->Clone());
+ } else {
+ std::vector<uint8_t> buffer =
+ PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum);
+ CFX_ByteStringC bsBuffer(buffer.data(), buffer.size());
+ m_pIDArray->Add(new CPDF_String(bsBuffer, TRUE), m_pDocument);
+ }
+ }
+ 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;
+ }
+ std::vector<uint8_t> buffer =
+ PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum);
+ CFX_ByteStringC bsBuffer(buffer.data(), buffer.size());
+ m_pIDArray->Add(new CPDF_String(bsBuffer, TRUE), m_pDocument);
+ return;
+ }
+ m_pIDArray->Add(m_pIDArray->GetElement(0)->Clone());
+ if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) {
+ if (m_pEncryptDict->GetStringBy("Filter") == "Standard") {
+ CPDF_StandardSecurityHandler handler;
+ CFX_ByteString user_pass = m_pParser->GetPassword();
+ FX_DWORD flag = PDF_ENCRYPT_CONTENT;
+ handler.OnCreate(m_pEncryptDict, m_pIDArray, (const uint8_t*)user_pass,
+ user_pass.GetLength(), flag);
+ if (m_bNewCrypto) {
+ delete m_pCryptoHandler;
+ }
+ m_pCryptoHandler = new CPDF_StandardCryptoHandler;
+ m_pCryptoHandler->Init(m_pEncryptDict, &handler);
+ m_bNewCrypto = TRUE;
+ m_bSecurityChanged = TRUE;
+ }
+ }
+}
+int32_t CPDF_Creator::Continue(IFX_Pause* pPause) {
+ if (m_iStage < 0) {
+ return m_iStage;
+ }
+ int32_t iRet = 0;
+ 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(int32_t fileVersion) {
+ if (fileVersion < 10 || fileVersion > 17) {
+ return FALSE;
+ }
+ m_FileVersion = fileVersion;
+ return TRUE;
+}
+void CPDF_Creator::RemoveSecurity() {
+ ResetStandardSecurity();
+ m_bSecurityChanged = TRUE;
+ m_pEncryptDict = NULL;
+ m_pCryptoHandler = NULL;
+}
+void CPDF_Creator::ResetStandardSecurity() {
+ if (m_bStandardSecurity || m_bNewCrypto) {
+ 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/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
new file mode 100644
index 0000000000..48e42e2a1f
--- /dev/null
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -0,0 +1,1156 @@
+// 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 <limits.h>
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/cpdf_reference.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+
+CPDF_Document::CPDF_Document() : CPDF_IndirectObjectHolder(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 && !m_pInfoDict);
+ m_pRootDict = new CPDF_Dictionary;
+ m_pRootDict->SetAtName("Type", "Catalog");
+ int objnum = AddIndirectObject(m_pRootDict);
+ CPDF_Dictionary* pPages = new CPDF_Dictionary;
+ pPages->SetAtName("Type", "Pages");
+ pPages->SetAtNumber("Count", 0);
+ pPages->SetAt("Kids", new CPDF_Array);
+ objnum = AddIndirectObject(pPages);
+ m_pRootDict->SetAtReference("Pages", this, objnum);
+ m_pInfoDict = 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 {
+ uint8_t 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_WIN64_DESKTOP_)
+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->GetIntegerAt(pWidthArray->GetCount() - 1);
+ pWidthArray->AddInteger(first + size - 1);
+ pWidthArray->AddInteger(*widths);
+ } else {
+ CPDF_Array* pWidthArray1 = 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_memcpy(&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, face.c_str());
+ return AddWindowsFont(&lfa, bVert, bTranslateName);
+}
+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 = 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;
+ }
+ 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 = 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("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 = new CPDF_Dictionary;
+ pEncoding->SetAtName("BaseEncoding", "WinAnsiEncoding");
+ CPDF_Array* pArray = 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(".notdef");
+ } else {
+ pArray->AddName(name);
+ }
+ }
+ pEncoding->SetAt("Differences", pArray);
+ AddIndirectObject(pEncoding);
+ pBaseDict->SetAtReference("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 = new CPDF_Array;
+ for (int i = 0; i < 224; i++) {
+ pWidths->AddInteger(char_widths[i]);
+ }
+ pBaseDict->SetAt("Widths", pWidths);
+ } else {
+ flags |= PDFFONT_NONSYMBOLIC;
+ pFontDict = new CPDF_Dictionary;
+ CFX_ByteString cmap;
+ CFX_ByteString ordering;
+ int supplement;
+ CPDF_Array* pWidthArray = 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 = new CPDF_Dictionary;
+ pCIDSysInfo->SetAtString("Registry", "Adobe");
+ pCIDSysInfo->SetAtString("Ordering", ordering);
+ pCIDSysInfo->SetAtInteger("Supplement", supplement);
+ pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
+ CPDF_Array* pArray = new CPDF_Array;
+ pBaseDict->SetAt("DescendantFonts", pArray);
+ AddIndirectObject(pFontDict);
+ pArray->AddReference(this, pFontDict);
+ }
+ AddIndirectObject(pBaseDict);
+ CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
+ pFontDesc->SetAtName("Type", "FontDescriptor");
+ pFontDesc->SetAtName("FontName", basefont);
+ pFontDesc->SetAtInteger("Flags", flags);
+ CPDF_Array* pBBox = 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_)
+uint32_t FX_GetLangHashCode(const FX_CHAR* pStr) {
+ FXSYS_assert(pStr);
+ int32_t iLength = FXSYS_strlen(pStr);
+ const FX_CHAR* pStrEnd = pStr + iLength;
+ uint32_t 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(uint32_t uCode) {
+ int32_t iStart = 0;
+ int32_t iEnd = sizeof(gs_FXLang2CharsetTable) / sizeof(FX_LANG2CS) - 1;
+ while (iStart <= iEnd) {
+ int32_t iMid = (iStart + iEnd) / 2;
+ const FX_LANG2CS& charset = gs_FXLang2CharsetTable[iMid];
+ if (uCode == charset.uLang) {
+ return charset.uCharset;
+ }
+ if (uCode < charset.uLang) {
+ iEnd = iMid - 1;
+ } else {
+ iStart = iMid + 1;
+ }
+ }
+ return 0;
+}
+static FX_WORD FX_GetCharsetFromLang(const FX_CHAR* pLang, int32_t iLength) {
+ FXSYS_assert(pLang);
+ if (iLength < 0) {
+ iLength = FXSYS_strlen(pLang);
+ }
+ uint32_t 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*)calloc(len + 1, sizeof(UInt8));
+ CFStringGetBytes(src, range, kCFStringEncodingASCII, 0, false, pBuffer, len,
+ &used);
+ dest = (FX_CHAR*)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 = 0;
+ 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->GetIntegerAt(pWidthArray->GetCount() - 1);
+ pWidthArray->AddInteger(first + size - 1);
+ pWidthArray->AddInteger(*widths);
+ } else {
+ CPDF_Array* pWidthArray1 = 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) {
+ return NULL;
+ }
+ CFX_ByteString basefont;
+ FX_BOOL bCJK = FALSE;
+ int flags = 0, italicangle = 0, ascend = 0, descend = 0, capheight = 0,
+ bbox[4];
+ FXSYS_memset(bbox, 0, sizeof(int) * 4);
+ CFArrayRef languages = (CFArrayRef)CTFontDescriptorCopyAttribute(
+ descriptor, kCTFontLanguagesAttribute);
+ if (!languages) {
+ 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) {
+ 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* pBaseDict = new CPDF_Dictionary;
+ 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("Encoding", "WinAnsiEncoding");
+ } else {
+ flags |= PDFFONT_NONSYMBOLIC;
+ size_t 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 = new CPDF_Dictionary;
+ pEncoding->SetAtName("BaseEncoding", "WinAnsiEncoding");
+ CPDF_Array* pArray = 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(".notdef");
+ } else {
+ pArray->AddName(name);
+ }
+ }
+ pEncoding->SetAt("Differences", pArray);
+ AddIndirectObject(pEncoding);
+ pBaseDict->SetAtReference("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 = 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 = new CPDF_Dictionary;
+ CFX_ByteString cmap;
+ CFX_ByteString ordering;
+ int supplement;
+ FX_BOOL bFound = FALSE;
+ CPDF_Array* pWidthArray = 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 = new CPDF_Dictionary;
+ pCIDSysInfo->SetAtString("Registry", "Adobe");
+ pCIDSysInfo->SetAtString("Ordering", ordering);
+ pCIDSysInfo->SetAtInteger("Supplement", supplement);
+ pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
+ pArray = new CPDF_Array;
+ pBaseDict->SetAt("DescendantFonts", pArray);
+ AddIndirectObject(pFontDict);
+ pArray->AddReference(this, pFontDict);
+ }
+ AddIndirectObject(pBaseDict);
+ CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
+ pFontDesc->SetAtName("Type", "FontDescriptor");
+ pFontDesc->SetAtName("FontName", basefont);
+ pFontDesc->SetAtInteger("Flags", flags);
+ CPDF_Array* pBBox = 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'};
+ CGGlyph glyphs[FX_ArraySize(stem_chars)];
+ CGRect boundingRects[FX_ArraySize(stem_chars)];
+
+ const size_t count = FX_ArraySize(stem_chars);
+ 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 // (_FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_)
+
+static void _InsertWidthArray1(CFX_Font* pFont,
+ CFX_UnicodeEncoding* 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->GetIntegerAt(pWidthArray->GetCount() - 1);
+ pWidthArray->AddInteger(first + size - 1);
+ pWidthArray->AddInteger(*widths);
+ } else {
+ CPDF_Array* pWidthArray1 = 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) {
+ return NULL;
+ }
+ 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 = new CPDF_Dictionary;
+ pBaseDict->SetAtName("Type", "Font");
+ std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
+ new CFX_UnicodeEncoding(pFont));
+ CPDF_Dictionary* pFontDict = pBaseDict;
+ if (!bCJK) {
+ CPDF_Array* pWidths = 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("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;
+ size_t 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 = new CPDF_Dictionary;
+ pEncodingDict->SetAtName("BaseEncoding", "WinAnsiEncoding");
+ CPDF_Array* pArray = 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(".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("Differences", pArray);
+ AddIndirectObject(pEncodingDict);
+ pBaseDict->SetAtReference("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 = new CPDF_Dictionary;
+ CFX_ByteString cmap;
+ CFX_ByteString ordering;
+ int supplement;
+ CPDF_Array* pWidthArray = 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.get(), 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.get(), 0x20, 0x20, pWidthArray);
+ pWidthArray->AddInteger(814);
+ _InsertWidthArray1(pFont, pEncoding.get(), 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.get(), 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.get(), 0x20, 0x7d, pWidthArray);
+ pWidthArray->AddInteger(326);
+ _InsertWidthArray1(pFont, pEncoding.get(), 0xa0, 0xa0, pWidthArray);
+ pWidthArray->AddInteger(327);
+ _InsertWidthArray1(pFont, pEncoding.get(), 0xa1, 0xdf, pWidthArray);
+ pWidthArray->AddInteger(631);
+ _InsertWidthArray1(pFont, pEncoding.get(), 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 = new CPDF_Dictionary;
+ pCIDSysInfo->SetAtString("Registry", "Adobe");
+ pCIDSysInfo->SetAtString("Ordering", ordering);
+ pCIDSysInfo->SetAtInteger("Supplement", supplement);
+ pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
+ CPDF_Array* pArray = new CPDF_Array;
+ pBaseDict->SetAt("DescendantFonts", pArray);
+ AddIndirectObject(pFontDict);
+ pArray->AddReference(this, pFontDict);
+ }
+ AddIndirectObject(pBaseDict);
+ CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
+ pFontDesc->SetAtName("Type", "FontDescriptor");
+ pFontDesc->SetAtName("FontName", basefont);
+ pFontDesc->SetAtInteger("Flags", flags);
+ pFontDesc->SetAtInteger(
+ "ItalicAngle",
+ pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0);
+ pFontDesc->SetAtInteger("Ascent", pFont->GetAscent());
+ pFontDesc->SetAtInteger("Descent", pFont->GetDescent());
+ FX_RECT bbox;
+ pFont->GetBBox(bbox);
+ CPDF_Array* pBBox = new CPDF_Array;
+ pBBox->AddInteger(bbox.left);
+ pBBox->AddInteger(bbox.bottom);
+ pBBox->AddInteger(bbox.right);
+ pBBox->AddInteger(bbox.top);
+ pFontDesc->SetAt("FontBBox", pBBox);
+ int32_t nStemV = 0;
+ if (pFont->GetSubstFont()) {
+ nStemV = pFont->GetSubstFont()->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;
+ }
+ }
+ }
+ pFontDesc->SetAtInteger("StemV", nStemV);
+ AddIndirectObject(pFontDesc);
+ pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
+ return LoadFont(pBaseDict);
+}
+static int InsertDeletePDFPage(CPDF_Document* pDoc,
+ CPDF_Dictionary* pPages,
+ int nPagesToGo,
+ CPDF_Dictionary* pPage,
+ FX_BOOL bInsert,
+ CFX_ArrayTemplate<CPDF_Dictionary*>& stackList) {
+ CPDF_Array* pKidList = pPages->GetArrayBy("Kids");
+ if (!pKidList) {
+ return -1;
+ }
+ int nKids = pKidList->GetCount();
+ for (int i = 0; i < nKids; i++) {
+ CPDF_Dictionary* pKid = pKidList->GetDictAt(i);
+ if (pKid->GetStringBy("Type") == "Page") {
+ if (nPagesToGo == 0) {
+ if (bInsert) {
+ pKidList->InsertAt(i, new CPDF_Reference(pDoc, pPage->GetObjNum()));
+ pPage->SetAtReference("Parent", pDoc, pPages->GetObjNum());
+ } else {
+ pKidList->RemoveAt(i);
+ }
+ pPages->SetAtInteger(
+ "Count", pPages->GetIntegerBy("Count") + (bInsert ? 1 : -1));
+ return 1;
+ }
+ nPagesToGo--;
+ } else {
+ int nPages = pKid->GetIntegerBy("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->GetIntegerBy("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->GetDictBy("Pages");
+ if (!pPages) {
+ return -1;
+ }
+ int nPages = pDoc->GetPageCount();
+ if (iPage < 0 || iPage > nPages) {
+ return -1;
+ }
+ if (iPage == nPages) {
+ CPDF_Array* pPagesList = pPages->GetArrayBy("Kids");
+ if (!pPagesList) {
+ pPagesList = new CPDF_Array;
+ pPages->SetAt("Kids", pPagesList);
+ }
+ pPagesList->Add(pPageDict, pDoc);
+ pPages->SetAtInteger("Count", nPages + 1);
+ pPageDict->SetAtReference("Parent", pDoc, pPages->GetObjNum());
+ } else {
+ CFX_ArrayTemplate<CPDF_Dictionary*> 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 = 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;
+}
+
+CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font,
+ CPDF_FontEncoding* pEncoding) {
+ CFX_ByteString name(font);
+ if (PDF_GetStandardFontName(&name) < 0)
+ return nullptr;
+ return GetPageData()->GetStandardFont(name, pEncoding);
+}
+
+void CPDF_Document::DeletePage(int iPage) {
+ CPDF_Dictionary* pRoot = GetRoot();
+ if (!pRoot) {
+ return;
+ }
+ CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages");
+ if (!pPages) {
+ return;
+ }
+ int nPages = pPages->GetIntegerBy("Count");
+ if (iPage < 0 || iPage >= nPages) {
+ return;
+ }
+ CFX_ArrayTemplate<CPDF_Dictionary*> 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,
+ const CFX_ByteStringC& name);
+void FPDFAPI_FlatPageAttr(CPDF_Dictionary* pPageDict,
+ const CFX_ByteStringC& name) {
+ if (pPageDict->KeyExist(name)) {
+ return;
+ }
+ CPDF_Object* pObj = FPDFAPI_GetPageAttr(pPageDict, name);
+ if (pObj) {
+ pPageDict->SetAt(name, pObj->Clone());
+ }
+}
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
new file mode 100644
index 0000000000..f3e6a439c2
--- /dev/null
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
@@ -0,0 +1,391 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_render/render_int.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_boolean.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/cpdf_string.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_render.h"
+#include "core/include/fxcodec/fx_codec.h"
+
+CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) {
+ int32_t width;
+ int32_t height;
+ int32_t num_comps;
+ int32_t bits;
+ FX_BOOL color_trans;
+ if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo(
+ pData, size, width, height, num_comps, bits, color_trans)) {
+ return NULL;
+ }
+ CPDF_Dictionary* pDict = new CPDF_Dictionary;
+ pDict->SetAtName("Type", "XObject");
+ pDict->SetAtName("Subtype", "Image");
+ pDict->SetAtInteger("Width", width);
+ pDict->SetAtInteger("Height", height);
+ const FX_CHAR* 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 = new CPDF_Array;
+ for (int n = 0; n < 4; n++) {
+ pDecode->AddInteger(1);
+ pDecode->AddInteger(0);
+ }
+ pDict->SetAt("Decode", pDecode);
+ }
+ pDict->SetAtName("ColorSpace", csname);
+ pDict->SetAtInteger("BitsPerComponent", bits);
+ pDict->SetAtName("Filter", "DCTDecode");
+ if (!color_trans) {
+ CPDF_Dictionary* pParms = new CPDF_Dictionary;
+ pDict->SetAt("DecodeParms", pParms);
+ pParms->SetAtInteger("ColorTransform", 0);
+ }
+ m_bIsMask = FALSE;
+ m_Width = width;
+ m_Height = height;
+ if (!m_pStream) {
+ m_pStream = new CPDF_Stream(NULL, 0, NULL);
+ }
+ return pDict;
+}
+void CPDF_Image::SetJpegImage(uint8_t* 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;
+ }
+ uint8_t* pData = FX_Alloc(uint8_t, dwEstimateSize);
+ pFile->ReadBlock(pData, 0, dwEstimateSize);
+ CPDF_Dictionary* pDict = InitJPEG(pData, dwEstimateSize);
+ FX_Free(pData);
+ if (!pDict && size > dwEstimateSize) {
+ pData = FX_Alloc(uint8_t, size);
+ pFile->ReadBlock(pData, 0, size);
+ pDict = InitJPEG(pData, size);
+ FX_Free(pData);
+ }
+ if (!pDict) {
+ return;
+ }
+ m_pStream->InitStreamFromFile(pFile, pDict);
+}
+void _DCTEncodeBitmap(CPDF_Dictionary* pBitmapDict,
+ const CFX_DIBitmap* pBitmap,
+ int quality,
+ uint8_t*& buf,
+ FX_STRSIZE& size) {}
+void _JBIG2EncodeBitmap(CPDF_Dictionary* pBitmapDict,
+ const CFX_DIBitmap* pBitmap,
+ CPDF_Document* pDoc,
+ uint8_t*& buf,
+ FX_STRSIZE& size,
+ FX_BOOL bLossLess) {}
+void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap,
+ int32_t iCompress,
+ IFX_FileWrite* pFileWrite,
+ IFX_FileRead* pFileRead,
+ const CFX_DIBitmap* pMask,
+ const CPDF_ImageSetParam* pParam) {
+ int32_t BitmapWidth = pBitmap->GetWidth();
+ int32_t BitmapHeight = pBitmap->GetHeight();
+ if (BitmapWidth < 1 || BitmapHeight < 1) {
+ return;
+ }
+ uint8_t* src_buf = pBitmap->GetBuffer();
+ int32_t src_pitch = pBitmap->GetPitch();
+ int32_t bpp = pBitmap->GetBPP();
+ FX_BOOL bUseMatte =
+ pParam && pParam->pMatteColor && (pBitmap->GetFormat() == FXDIB_Argb);
+ CPDF_Dictionary* pDict = new CPDF_Dictionary;
+ pDict->SetAtName("Type", "XObject");
+ pDict->SetAtName("Subtype", "Image");
+ pDict->SetAtInteger("Width", BitmapWidth);
+ pDict->SetAtInteger("Height", BitmapHeight);
+ uint8_t* dest_buf = NULL;
+ FX_STRSIZE dest_pitch = 0, dest_size = 0, opType = -1;
+ if (bpp == 1) {
+ int32_t reset_a = 0, reset_r = 0, reset_g = 0, reset_b = 0;
+ int32_t 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("ImageMask", new CPDF_Boolean(TRUE));
+ if (reset_a == 0) {
+ CPDF_Array* pArray = new CPDF_Array;
+ pArray->AddInteger(1);
+ pArray->AddInteger(0);
+ pDict->SetAt("Decode", pArray);
+ }
+ } else {
+ CPDF_Array* pCS = new CPDF_Array;
+ pCS->AddName("Indexed");
+ pCS->AddName("DeviceRGB");
+ pCS->AddInteger(1);
+ CFX_ByteString ct;
+ FX_CHAR* 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(new CPDF_String(ct, TRUE));
+ pDict->SetAt("ColorSpace", pCS);
+ }
+ pDict->SetAtInteger("BitsPerComponent", 1);
+ dest_pitch = (BitmapWidth + 7) / 8;
+ if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+ opType = 1;
+ } else {
+ opType = 0;
+ }
+ } else if (bpp == 8) {
+ int32_t iPalette = pBitmap->GetPaletteSize();
+ if (iPalette > 0) {
+ CPDF_Array* pCS = new CPDF_Array;
+ m_pDocument->AddIndirectObject(pCS);
+ pCS->AddName("Indexed");
+ pCS->AddName("DeviceRGB");
+ pCS->AddInteger(iPalette - 1);
+ uint8_t* pColorTable = FX_Alloc2D(uint8_t, iPalette, 3);
+ uint8_t* ptr = pColorTable;
+ for (int32_t i = 0; i < iPalette; i++) {
+ FX_DWORD argb = pBitmap->GetPaletteArgb(i);
+ ptr[0] = (uint8_t)(argb >> 16);
+ ptr[1] = (uint8_t)(argb >> 8);
+ ptr[2] = (uint8_t)argb;
+ ptr += 3;
+ }
+ CPDF_Stream* pCTS =
+ new CPDF_Stream(pColorTable, iPalette * 3, new CPDF_Dictionary);
+ m_pDocument->AddIndirectObject(pCTS);
+ pCS->AddReference(m_pDocument, pCTS);
+ pDict->SetAtReference("ColorSpace", m_pDocument, pCS);
+ } else {
+ pDict->SetAtName("ColorSpace", "DeviceGray");
+ }
+ pDict->SetAtInteger("BitsPerComponent", 8);
+ if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+ dest_pitch = BitmapWidth;
+ opType = 1;
+ } else {
+ opType = 0;
+ }
+ } else {
+ pDict->SetAtName("ColorSpace", "DeviceRGB");
+ pDict->SetAtInteger("BitsPerComponent", 8);
+ if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
+ dest_pitch = BitmapWidth * 3;
+ opType = 2;
+ } else {
+ opType = 0;
+ }
+ }
+ const CFX_DIBitmap* pMaskBitmap = NULL;
+ FX_BOOL bDeleteMask = FALSE;
+ if (pBitmap->HasAlpha()) {
+ pMaskBitmap = pBitmap->GetAlphaMask();
+ bDeleteMask = TRUE;
+ }
+ if (!pMaskBitmap && pMask) {
+ FXDIB_Format maskFormat = pMask->GetFormat();
+ if (maskFormat == FXDIB_1bppMask || maskFormat == FXDIB_8bppMask) {
+ pMaskBitmap = pMask;
+ }
+ }
+ if (pMaskBitmap) {
+ int32_t maskWidth = pMaskBitmap->GetWidth();
+ int32_t maskHeight = pMaskBitmap->GetHeight();
+ uint8_t* mask_buf = NULL;
+ FX_STRSIZE mask_size = 0;
+ CPDF_Dictionary* pMaskDict = new CPDF_Dictionary;
+ pMaskDict->SetAtName("Type", "XObject");
+ pMaskDict->SetAtName("Subtype", "Image");
+ pMaskDict->SetAtInteger("Width", maskWidth);
+ pMaskDict->SetAtInteger("Height", maskHeight);
+ pMaskDict->SetAtName("ColorSpace", "DeviceGray");
+ pMaskDict->SetAtInteger("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_buf = FX_Alloc2D(uint8_t, maskHeight, maskWidth);
+ mask_size = maskHeight * maskWidth; // Safe since checked alloc returned.
+ for (int32_t a = 0; a < maskHeight; a++) {
+ FXSYS_memcpy(mask_buf + a * maskWidth, pMaskBitmap->GetScanline(a),
+ maskWidth);
+ }
+ }
+ pMaskDict->SetAtInteger("Length", mask_size);
+ if (bUseMatte) {
+ int a, r, g, b;
+ ArgbDecode(*(pParam->pMatteColor), a, r, g, b);
+ CPDF_Array* pMatte = new CPDF_Array;
+ pMatte->AddInteger(r);
+ pMatte->AddInteger(g);
+ pMatte->AddInteger(b);
+ pMaskDict->SetAt("Matte", pMatte);
+ }
+ CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict);
+ m_pDocument->AddIndirectObject(pMaskStream);
+ pDict->SetAtReference("SMask", m_pDocument, pMaskStream);
+ if (bDeleteMask) {
+ delete pMaskBitmap;
+ }
+ }
+ FX_BOOL bStream = pFileWrite && pFileRead;
+ 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()) {
+ CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap();
+ pNewBitmap->Copy(pBitmap);
+ pNewBitmap->ConvertFormat(FXDIB_Rgb);
+ SetImage(pNewBitmap, iCompress, pFileWrite, pFileRead);
+ if (pDict) {
+ pDict->Release();
+ pDict = NULL;
+ }
+ FX_Free(dest_buf);
+ dest_buf = NULL;
+ dest_size = 0;
+ delete pNewBitmap;
+ return;
+ } else {
+ if (bUseMatte) {
+ CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap();
+ pNewBitmap->Create(BitmapWidth, BitmapHeight, FXDIB_Argb);
+ uint8_t* dst_buf = pNewBitmap->GetBuffer();
+ int32_t src_offset = 0;
+ for (int32_t row = 0; row < BitmapHeight; row++) {
+ src_offset = row * src_pitch;
+ for (int32_t column = 0; column < BitmapWidth; column++) {
+ FX_FLOAT alpha = src_buf[src_offset + 3] / 255.0f;
+ dst_buf[src_offset] = (uint8_t)(src_buf[src_offset] * alpha);
+ dst_buf[src_offset + 1] =
+ (uint8_t)(src_buf[src_offset + 1] * alpha);
+ dst_buf[src_offset + 2] =
+ (uint8_t)(src_buf[src_offset + 2] * alpha);
+ dst_buf[src_offset + 3] = (uint8_t)(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_buf = FX_Alloc2D(uint8_t, dest_pitch, BitmapHeight);
+ dest_size =
+ dest_pitch * BitmapHeight; // Safe since checked alloc returned.
+ }
+ uint8_t* pDest = dest_buf;
+ for (int32_t i = 0; i < BitmapHeight; i++) {
+ if (!bStream) {
+ FXSYS_memcpy(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_buf = FX_Alloc2D(uint8_t, dest_pitch, BitmapHeight);
+ dest_size =
+ dest_pitch * BitmapHeight; // Safe since checked alloc returned.
+ } else {
+ dest_buf = FX_Alloc(uint8_t, dest_pitch);
+ }
+ uint8_t* pDest = dest_buf;
+ int32_t src_offset = 0;
+ int32_t dest_offset = 0;
+ for (int32_t row = 0; row < BitmapHeight; row++) {
+ src_offset = row * src_pitch;
+ for (int32_t column = 0; column < BitmapWidth; column++) {
+ FX_FLOAT alpha = bUseMatte ? src_buf[src_offset + 3] / 255.0f : 1;
+ pDest[dest_offset] = (uint8_t)(src_buf[src_offset + 2] * alpha);
+ pDest[dest_offset + 1] = (uint8_t)(src_buf[src_offset + 1] * alpha);
+ pDest[dest_offset + 2] = (uint8_t)(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) {
+ m_pStream = new CPDF_Stream(NULL, 0, NULL);
+ }
+ if (!bStream) {
+ m_pStream->InitStream(dest_buf, dest_size, pDict);
+ } else {
+ pFileWrite->Flush();
+ m_pStream->InitStreamFromFile(pFileRead, pDict);
+ }
+ m_bIsMask = pBitmap->IsAlphaMask();
+ m_Width = BitmapWidth;
+ m_Height = BitmapHeight;
+ FX_Free(dest_buf);
+}
+void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) {
+ pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 06:18:50 +0000