std::vector<CPDF_Object*> CPDF_ActionFields::GetAllFields() const {
std::vector<CPDF_Object*> fields;
if (!m_pAction)
return fields;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return fields;
CFX_ByteString csType = pDict->GetStringFor("S");
CPDF_Object* pFields;
if (csType == "Hide")
pFields = pDict->GetDirectObjectFor("T");
else
pFields = pDict->GetArrayFor("Fields");
if (!pFields)
return fields;
if (pFields->IsDictionary() || pFields->IsString()) {
fields.push_back(pFields);
} else if (CPDF_Array* pArray = pFields->AsArray()) {
for (size_t i = 0; i < pArray->GetCount(); ++i) {
CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
if (pObj)
fields.push_back(pObj);
}
}
return fields;
}
void CPDF_FormField::LoadDA() {
CPDF_Dictionary* pFormDict = m_pForm->m_pFormDict;
if (!pFormDict)
return;
CFX_ByteString DA;
if (CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "DA"))
DA = pObj->GetString();
if (DA.IsEmpty())
DA = pFormDict->GetStringFor("DA");
if (DA.IsEmpty())
return;
CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
if (!pDR)
return;
CPDF_Dictionary* pFont = pDR->GetDictFor("Font");
if (!pFont)
return;
CPDF_SimpleParser syntax(DA.AsStringC());
syntax.FindTagParamFromStart("Tf", 2);
CFX_ByteString font_name(syntax.GetWord());
CPDF_Dictionary* pFontDict = pFont->GetDictFor(font_name);
if (!pFontDict)
return;
m_pFont = m_pForm->m_pDocument->LoadFont(pFontDict);
m_FontSize = FX_atof(syntax.GetWord());
}
bool CPDF_InterForm::CheckRequiredFields(
const std::vector<CPDF_FormField*>* fields,
bool bIncludeOrExclude) const {
size_t nCount = m_pFieldTree->m_Root.CountFields();
for (size_t i = 0; i < nCount; ++i) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
if (!pField)
continue;
int32_t iType = pField->GetType();
if (iType == CPDF_FormField::PushButton ||
iType == CPDF_FormField::CheckBox || iType == CPDF_FormField::ListBox) {
continue;
}
uint32_t dwFlags = pField->GetFieldFlags();
// TODO(thestig): Look up these magic numbers and add constants for them.
if (dwFlags & FORMFLAG_NOEXPORT)
continue;
bool bFind = true;
if (fields)
bFind = pdfium::ContainsValue(*fields, pField);
if (bIncludeOrExclude == bFind) {
CPDF_Dictionary* pFieldDict = pField->m_pDict;
if ((dwFlags & FORMFLAG_REQUIRED) != 0 &&
pFieldDict->GetStringFor("V").IsEmpty()) {
return false;
}
}
}
return true;
}
CPDF_Object* CPDF_ActionFields::GetField(size_t iIndex) const {
if (!m_pAction)
return nullptr;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return nullptr;
CFX_ByteString csType = pDict->GetStringFor("S");
CPDF_Object* pFields = nullptr;
if (csType == "Hide")
pFields = pDict->GetDirectObjectFor("T");
else
pFields = pDict->GetArrayFor("Fields");
if (!pFields)
return nullptr;
CPDF_Object* pFindObj = nullptr;
if (pFields->IsDictionary() || pFields->IsString()) {
if (iIndex == 0)
pFindObj = pFields;
} else if (CPDF_Array* pArray = pFields->AsArray()) {
pFindObj = pArray->GetDirectObjectAt(iIndex);
}
return pFindObj;
}
size_t CPDF_ActionFields::GetFieldsCount() const {
if (!m_pAction)
return 0;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return 0;
CFX_ByteString csType = pDict->GetStringFor("S");
CPDF_Object* pFields = nullptr;
if (csType == "Hide")
pFields = pDict->GetDirectObjectFor("T");
else
pFields = pDict->GetArrayFor("Fields");
if (!pFields)
return 0;
if (pFields->IsDictionary())
return 1;
if (pFields->IsString())
return 1;
if (CPDF_Array* pArray = pFields->AsArray())
return pArray->GetCount();
return 0;
}
bool CPDF_OCContext::LoadOCGStateFromConfig(
const ByteString& csConfig,
const CPDF_Dictionary* pOCGDict) const {
CPDF_Dictionary* pConfig = GetConfig(m_pDocument.Get(), pOCGDict);
if (!pConfig)
return true;
bool bState = pConfig->GetStringFor("BaseState", "ON") != "OFF";
CPDF_Array* pArray = pConfig->GetArrayFor("ON");
if (pArray) {
if (FindGroup(pArray, pOCGDict) >= 0)
bState = true;
}
pArray = pConfig->GetArrayFor("OFF");
if (pArray) {
if (FindGroup(pArray, pOCGDict) >= 0)
bState = false;
}
pArray = pConfig->GetArrayFor("AS");
if (!pArray)
return bState;
ByteString csFind = csConfig + "State";
for (size_t i = 0; i < pArray->size(); i++) {
CPDF_Dictionary* pUsage = pArray->GetDictAt(i);
if (!pUsage)
continue;
if (pUsage->GetStringFor("Event", "View") != csConfig)
continue;
CPDF_Array* pOCGs = pUsage->GetArrayFor("OCGs");
if (!pOCGs)
continue;
if (FindGroup(pOCGs, pOCGDict) < 0)
continue;
CPDF_Dictionary* pState = pUsage->GetDictFor(csConfig);
if (!pState)
continue;
bState = pState->GetStringFor(csFind) != "OFF";
}
return bState;
}
FX_BOOL CPDF_PageOrganizer::PDFDocInit(CPDF_Document* pDestPDFDoc,
CPDF_Document* pSrcPDFDoc) {
if (!pDestPDFDoc || !pSrcPDFDoc)
return FALSE;
CPDF_Dictionary* pNewRoot = pDestPDFDoc->GetRoot();
if (!pNewRoot)
return FALSE;
CPDF_Dictionary* DInfoDict = pDestPDFDoc->GetInfo();
if (!DInfoDict)
return FALSE;
CFX_ByteString producerstr;
producerstr.Format("PDFium");
DInfoDict->SetFor("Producer", new CPDF_String(producerstr, FALSE));
CFX_ByteString cbRootType = pNewRoot->GetStringFor("Type", "");
if (cbRootType.IsEmpty())
pNewRoot->SetFor("Type", new CPDF_Name("Catalog"));
CPDF_Object* pElement = pNewRoot->GetObjectFor("Pages");
CPDF_Dictionary* pNewPages =
pElement ? ToDictionary(pElement->GetDirect()) : nullptr;
if (!pNewPages) {
pNewPages = new CPDF_Dictionary(pDestPDFDoc->GetByteStringPool());
pNewRoot->SetReferenceFor("Pages", pDestPDFDoc,
pDestPDFDoc->AddIndirectObject(pNewPages));
}
CFX_ByteString cbPageType = pNewPages->GetStringFor("Type", "");
if (cbPageType == "") {
pNewPages->SetFor("Type", new CPDF_Name("Pages"));
}
if (!pNewPages->GetArrayFor("Kids")) {
pNewPages->SetIntegerFor("Count", 0);
pNewPages->SetReferenceFor("Kids", pDestPDFDoc,
pDestPDFDoc->AddIndirectObject(new CPDF_Array));
}
return TRUE;
}
void CPDFXFA_DocEnvironment::GetTitle(CXFA_FFDoc* hDoc,
CFX_WideString& wsTitle) {
if (hDoc != m_pContext->GetXFADoc() || !m_pContext->GetPDFDoc())
return;
CPDF_Dictionary* pInfoDict = m_pContext->GetPDFDoc()->GetInfo();
if (!pInfoDict)
return;
CFX_ByteString csTitle = pInfoDict->GetStringFor("Title");
wsTitle = wsTitle.FromLocal(csTitle.GetBuffer(csTitle.GetLength()));
csTitle.ReleaseBuffer(csTitle.GetLength());
}
void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage,
std::vector<CPDF_Dictionary*>* pList) {
CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayFor("Annots");
if (!pAnnotList)
return;
for (size_t i = 0; i < pAnnotList->GetCount(); ++i) {
CPDF_Dictionary* pAnnot = pAnnotList->GetDictAt(i);
bool add_link = (pAnnot && pAnnot->GetStringFor("Subtype") == "Link");
// Add non-links as nullptrs to preserve z-order.
pList->push_back(add_link ? pAnnot : nullptr);
}
}
void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) {
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
if (!pPageDict)
return;
CPDF_Array* pAnnots = pPageDict->GetArrayFor("Annots");
if (!pAnnots)
return;
for (size_t i = 0; i < pAnnots->GetCount(); i++) {
CPDF_Dictionary* pAnnot = pAnnots->GetDictAt(i);
if (pAnnot && pAnnot->GetStringFor("Subtype") == "Widget")
LoadField(pAnnot, 0);
}
}
CFX_ByteString CPDF_Action::GetURI(CPDF_Document* pDoc) const {
CFX_ByteString csURI;
if (!m_pDict)
return csURI;
if (m_pDict->GetStringFor("S") != "URI")
return csURI;
csURI = m_pDict->GetStringFor("URI");
CPDF_Dictionary* pRoot = pDoc->GetRoot();
CPDF_Dictionary* pURI = pRoot->GetDictFor("URI");
if (pURI) {
if (csURI.Find(":", 0) < 1)
csURI = pURI->GetStringFor("Base") + csURI;
}
return csURI;
}
static FX_BOOL LoadCryptInfo(CPDF_Dictionary* pEncryptDict,
const CFX_ByteString& name,
int& cipher,
int& keylen) {
int Version = pEncryptDict->GetIntegerFor("V");
cipher = FXCIPHER_RC4;
keylen = 0;
if (Version >= 4) {
CPDF_Dictionary* pCryptFilters = pEncryptDict->GetDictFor("CF");
if (!pCryptFilters) {
return FALSE;
}
if (name == "Identity") {
cipher = FXCIPHER_NONE;
} else {
CPDF_Dictionary* pDefFilter = pCryptFilters->GetDictFor(name);
if (!pDefFilter) {
return FALSE;
}
int nKeyBits = 0;
if (Version == 4) {
nKeyBits = pDefFilter->GetIntegerFor("Length", 0);
if (nKeyBits == 0) {
nKeyBits = pEncryptDict->GetIntegerFor("Length", 128);
}
} else {
nKeyBits = pEncryptDict->GetIntegerFor("Length", 256);
}
if (nKeyBits < 40) {
nKeyBits *= 8;
}
keylen = nKeyBits / 8;
CFX_ByteString cipher_name = pDefFilter->GetStringFor("CFM");
if (cipher_name == "AESV2" || cipher_name == "AESV3") {
cipher = FXCIPHER_AES;
}
}
} else {
keylen = Version > 1 ? pEncryptDict->GetIntegerFor("Length", 40) / 8 : 5;
}
if (keylen > 32 || keylen < 0) {
return FALSE;
}
return TRUE;
}
void CPDF_PageObjectHolder::LoadTransInfo() {
if (!m_pFormDict) {
return;
}
CPDF_Dictionary* pGroup = m_pFormDict->GetDictFor("Group");
if (!pGroup) {
return;
}
if (pGroup->GetStringFor("S") != "Transparency") {
return;
}
m_Transparency |= PDFTRANS_GROUP;
if (pGroup->GetIntegerFor("I")) {
m_Transparency |= PDFTRANS_ISOLATED;
}
if (pGroup->GetIntegerFor("K")) {
m_Transparency |= PDFTRANS_KNOCKOUT;
}
}
FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf,
FX_STRSIZE& nBufSize) {
CFDF_Document* pFDF = CFDF_Document::ParseMemory(pBuf, nBufSize);
if (!pFDF)
return TRUE;
CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictFor("FDF");
if (!pMainDict)
return FALSE;
CPDF_Array* pFields = pMainDict->GetArrayFor("Fields");
if (!pFields)
return FALSE;
CFX_ByteTextBuf fdfEncodedData;
for (uint32_t i = 0; i < pFields->GetCount(); i++) {
CPDF_Dictionary* pField = pFields->GetDictAt(i);
if (!pField)
continue;
CFX_WideString name;
name = pField->GetUnicodeTextFor("T");
CFX_ByteString name_b = CFX_ByteString::FromUnicode(name);
CFX_ByteString csBValue = pField->GetStringFor("V");
CFX_WideString csWValue = PDF_DecodeText(csBValue);
CFX_ByteString csValue_b = CFX_ByteString::FromUnicode(csWValue);
fdfEncodedData << name_b.GetBuffer(name_b.GetLength());
name_b.ReleaseBuffer();
fdfEncodedData << "=";
fdfEncodedData << csValue_b.GetBuffer(csValue_b.GetLength());
csValue_b.ReleaseBuffer();
if (i != pFields->GetCount() - 1)
fdfEncodedData << "&";
}
nBufSize = fdfEncodedData.GetLength();
pBuf = FX_Alloc(uint8_t, nBufSize);
FXSYS_memcpy(pBuf, fdfEncodedData.GetBuffer(), nBufSize);
return TRUE;
}
int ParserAnnots(CPDF_Document* pSourceDoc,
CPDF_Dictionary* pPageDic,
CPDF_RectArray* pRectArray,
CPDF_ObjectArray* pObjectArray,
int nUsage) {
if (!pSourceDoc || !pPageDic)
return FLATTEN_FAIL;
GetContentsRect(pSourceDoc, pPageDic, pRectArray);
CPDF_Array* pAnnots = pPageDic->GetArrayFor("Annots");
if (!pAnnots)
return FLATTEN_NOTHINGTODO;
uint32_t dwSize = pAnnots->GetCount();
for (int i = 0; i < (int)dwSize; i++) {
CPDF_Dictionary* pAnnotDic = ToDictionary(pAnnots->GetDirectObjectAt(i));
if (!pAnnotDic)
continue;
CFX_ByteString sSubtype = pAnnotDic->GetStringFor("Subtype");
if (sSubtype == "Popup")
continue;
int nAnnotFlag = pAnnotDic->GetIntegerFor("F");
if (nAnnotFlag & ANNOTFLAG_HIDDEN)
continue;
if (nUsage == FLAT_NORMALDISPLAY) {
if (nAnnotFlag & ANNOTFLAG_INVISIBLE)
continue;
ParserStream(pPageDic, pAnnotDic, pRectArray, pObjectArray);
} else {
if (nAnnotFlag & ANNOTFLAG_PRINT)
ParserStream(pPageDic, pAnnotDic, pRectArray, pObjectArray);
}
}
return FLATTEN_SUCCESS;
}
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFLink_Enumerate(FPDF_PAGE page,
int* start_pos,
FPDF_LINK* link_annot) {
if (!start_pos || !link_annot)
return false;
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage || !pPage->GetDict())
return false;
CPDF_Array* pAnnots = pPage->GetDict()->GetArrayFor("Annots");
if (!pAnnots)
return false;
for (size_t i = *start_pos; i < pAnnots->size(); i++) {
CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetDirectObjectAt(i));
if (!pDict)
continue;
if (pDict->GetStringFor("Subtype") == "Link") {
*start_pos = static_cast<int>(i + 1);
*link_annot = FPDFLinkFromCPDFDictionary(pDict);
return true;
}
}
return false;
}
CFX_WideString CPDF_Action::GetFilePath() const {
CFX_ByteString type = m_pDict->GetStringFor("S");
if (type != "GoToR" && type != "Launch" && type != "SubmitForm" &&
type != "ImportData") {
return CFX_WideString();
}
CPDF_Object* pFile = m_pDict->GetDirectObjectFor("F");
CFX_WideString path;
if (!pFile) {
if (type == "Launch") {
CPDF_Dictionary* pWinDict = m_pDict->GetDictFor("Win");
if (pWinDict) {
return CFX_WideString::FromLocal(
pWinDict->GetStringFor("F").AsStringC());
}
}
return path;
}
CPDF_FileSpec filespec(pFile);
filespec.GetFileName(&path);
return path;
}
DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page,
int* startPos,
FPDF_LINK* linkAnnot) {
if (!startPos || !linkAnnot)
return FALSE;
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage || !pPage->m_pFormDict)
return FALSE;
CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayFor("Annots");
if (!pAnnots)
return FALSE;
for (size_t i = *startPos; i < pAnnots->GetCount(); i++) {
CPDF_Dictionary* pDict =
ToDictionary(static_cast<CPDF_Object*>(pAnnots->GetDirectObjectAt(i)));
if (!pDict)
continue;
if (pDict->GetStringFor("Subtype") == "Link") {
*startPos = static_cast<int>(i + 1);
*linkAnnot = static_cast<FPDF_LINK>(pDict);
return TRUE;
}
}
return FALSE;
}
void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding,
int& iBaseEncoding,
std::vector<CFX_ByteString>* pCharNames,
bool bEmbedded,
bool bTrueType) {
if (!pEncoding) {
if (m_BaseFont == "Symbol") {
iBaseEncoding = bTrueType ? PDFFONT_ENCODING_MS_SYMBOL
: PDFFONT_ENCODING_ADOBE_SYMBOL;
} else if (!bEmbedded && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) {
iBaseEncoding = PDFFONT_ENCODING_WINANSI;
}
return;
}
if (pEncoding->IsName()) {
if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL ||
iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) {
return;
}
if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == "Symbol") {
if (!bTrueType) {
iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL;
}
return;
}
CFX_ByteString bsEncoding = pEncoding->GetString();
if (bsEncoding.Compare("MacExpertEncoding") == 0) {
bsEncoding = "WinAnsiEncoding";
}
GetPredefinedEncoding(bsEncoding, &iBaseEncoding);
return;
}
CPDF_Dictionary* pDict = pEncoding->AsDictionary();
if (!pDict)
return;
if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) {
CFX_ByteString bsEncoding = pDict->GetStringFor("BaseEncoding");
if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) {
bsEncoding = "WinAnsiEncoding";
}
GetPredefinedEncoding(bsEncoding, &iBaseEncoding);
}
if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN)
iBaseEncoding = PDFFONT_ENCODING_STANDARD;
CPDF_Array* pDiffs = pDict->GetArrayFor("Differences");
if (!pDiffs)
return;
pCharNames->resize(256);
uint32_t cur_code = 0;
for (uint32_t i = 0; i < pDiffs->GetCount(); i++) {
CPDF_Object* pElement = pDiffs->GetDirectObjectAt(i);
if (!pElement)
continue;
if (CPDF_Name* pName = pElement->AsName()) {
if (cur_code < 256)
(*pCharNames)[cur_code] = pName->GetString();
cur_code++;
} else {
cur_code = pElement->GetInteger();
}
}
}
bool CPDF_DataAvail::AreObjectsAvailable(std::vector<CPDF_Object*>& obj_array,
bool bParsePage,
DownloadHints* pHints,
std::vector<CPDF_Object*>& ret_array) {
if (obj_array.empty())
return true;
uint32_t count = 0;
std::vector<CPDF_Object*> new_obj_array;
for (CPDF_Object* pObj : obj_array) {
if (!pObj)
continue;
int32_t type = pObj->GetType();
switch (type) {
case CPDF_Object::ARRAY: {
CPDF_Array* pArray = pObj->AsArray();
for (size_t k = 0; k < pArray->GetCount(); ++k)
new_obj_array.push_back(pArray->GetObjectAt(k));
} break;
case CPDF_Object::STREAM:
pObj = pObj->GetDict();
case CPDF_Object::DICTIONARY: {
CPDF_Dictionary* pDict = pObj->GetDict();
if (pDict && pDict->GetStringFor("Type") == "Page" && !bParsePage)
continue;
for (const auto& it : *pDict) {
if (it.first != "Parent")
new_obj_array.push_back(it.second.get());
}
} break;
case CPDF_Object::REFERENCE: {
CPDF_Reference* pRef = pObj->AsReference();
uint32_t dwNum = pRef->GetRefObjNum();
FX_FILESIZE offset;
uint32_t size = GetObjectSize(dwNum, offset);
if (size == 0 || offset < 0 || offset >= m_dwFileLen)
break;
if (!IsDataAvail(offset, size, pHints)) {
ret_array.push_back(pObj);
count++;
} else if (!pdfium::ContainsKey(m_ObjectSet, dwNum)) {
m_ObjectSet.insert(dwNum);
CPDF_Object* pReferred =
m_pDocument->GetOrParseIndirectObject(pRef->GetRefObjNum());
if (pReferred)
new_obj_array.push_back(pReferred);
}
} break;
}
}
if (count > 0) {
for (CPDF_Object* pObj : new_obj_array) {
CPDF_Reference* pRef = pObj->AsReference();
if (pRef && pdfium::ContainsKey(m_ObjectSet, pRef->GetRefObjNum()))
continue;
ret_array.push_back(pObj);
}
return false;
}
obj_array = new_obj_array;
return AreObjectsAvailable(obj_array, false, pHints, ret_array);
}
bool CPDF_DataAvail::CheckUnkownPageNode(uint32_t dwPageNo,
PageNode* pPageNode,
DownloadHints* pHints) {
bool bExist = false;
std::unique_ptr<CPDF_Object> pPage = GetObject(dwPageNo, pHints, &bExist);
if (!bExist) {
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
if (!pPage) {
if (m_docStatus == PDF_DATAAVAIL_ERROR)
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
if (pPage->IsArray()) {
pPageNode->m_dwPageNo = dwPageNo;
pPageNode->m_type = PDF_PAGENODE_ARRAY;
return true;
}
if (!pPage->IsDictionary()) {
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
pPageNode->m_dwPageNo = dwPageNo;
CPDF_Dictionary* pDict = pPage->GetDict();
CFX_ByteString type = pDict->GetStringFor("Type");
if (type == "Pages") {
pPageNode->m_type = PDF_PAGENODE_PAGES;
CPDF_Object* pKids = pDict->GetObjectFor("Kids");
if (!pKids) {
m_docStatus = PDF_DATAAVAIL_PAGE;
return true;
}
switch (pKids->GetType()) {
case CPDF_Object::REFERENCE: {
CPDF_Reference* pKid = pKids->AsReference();
PageNode* pNode = new PageNode();
pPageNode->m_childNode.Add(pNode);
pNode->m_dwPageNo = pKid->GetRefObjNum();
} break;
case CPDF_Object::ARRAY: {
CPDF_Array* pKidsArray = pKids->AsArray();
for (size_t i = 0; i < pKidsArray->GetCount(); ++i) {
CPDF_Reference* pKid = ToReference(pKidsArray->GetObjectAt(i));
if (!pKid)
continue;
PageNode* pNode = new PageNode();
pPageNode->m_childNode.Add(pNode);
pNode->m_dwPageNo = pKid->GetRefObjNum();
}
} break;
default:
break;
}
} else if (type == "Page") {
pPageNode->m_type = PDF_PAGENODE_PAGE;
} else {
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
return true;
}
DLLEXPORT int STDCALL FPDFPage_Flatten(FPDF_PAGE page, int nFlag) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!page) {
return FLATTEN_FAIL;
}
CPDF_Document* pDocument = pPage->m_pDocument;
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
if (!pDocument || !pPageDict) {
return FLATTEN_FAIL;
}
CPDF_ObjectArray ObjectArray;
CPDF_RectArray RectArray;
int iRet = FLATTEN_FAIL;
iRet = ParserAnnots(pDocument, pPageDict, &RectArray, &ObjectArray, nFlag);
if (iRet == FLATTEN_NOTHINGTODO || iRet == FLATTEN_FAIL)
return iRet;
CFX_FloatRect rcOriginalCB;
CFX_FloatRect rcMerger = CalculateRect(&RectArray);
CFX_FloatRect rcOriginalMB = pPageDict->GetRectFor("MediaBox");
if (pPageDict->KeyExist("CropBox"))
rcOriginalMB = pPageDict->GetRectFor("CropBox");
if (rcOriginalMB.IsEmpty()) {
rcOriginalMB = CFX_FloatRect(0.0f, 0.0f, 612.0f, 792.0f);
}
rcMerger.left =
rcMerger.left < rcOriginalMB.left ? rcOriginalMB.left : rcMerger.left;
rcMerger.right =
rcMerger.right > rcOriginalMB.right ? rcOriginalMB.right : rcMerger.right;
rcMerger.top =
rcMerger.top > rcOriginalMB.top ? rcOriginalMB.top : rcMerger.top;
rcMerger.bottom = rcMerger.bottom < rcOriginalMB.bottom ? rcOriginalMB.bottom
: rcMerger.bottom;
if (pPageDict->KeyExist("ArtBox"))
rcOriginalCB = pPageDict->GetRectFor("ArtBox");
else
rcOriginalCB = rcOriginalMB;
if (!rcOriginalMB.IsEmpty()) {
CPDF_Array* pMediaBox = new CPDF_Array();
pMediaBox->Add(new CPDF_Number(rcOriginalMB.left));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.bottom));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.right));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.top));
pPageDict->SetFor("MediaBox", pMediaBox);
}
if (!rcOriginalCB.IsEmpty()) {
CPDF_Array* pCropBox = new CPDF_Array();
pCropBox->Add(new CPDF_Number(rcOriginalCB.left));
pCropBox->Add(new CPDF_Number(rcOriginalCB.bottom));
pCropBox->Add(new CPDF_Number(rcOriginalCB.right));
pCropBox->Add(new CPDF_Number(rcOriginalCB.top));
pPageDict->SetFor("ArtBox", pCropBox);
}
CPDF_Dictionary* pRes = pPageDict->GetDictFor("Resources");
if (!pRes) {
pRes = new CPDF_Dictionary(pDocument->GetByteStringPool());
pPageDict->SetFor("Resources", pRes);
}
CPDF_Stream* pNewXObject = new CPDF_Stream(
nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
uint32_t dwObjNum = pDocument->AddIndirectObject(pNewXObject);
CPDF_Dictionary* pPageXObject = pRes->GetDictFor("XObject");
if (!pPageXObject) {
pPageXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
pRes->SetFor("XObject", pPageXObject);
}
CFX_ByteString key = "";
int nStreams = ObjectArray.GetSize();
if (nStreams > 0) {
for (int iKey = 0; /*iKey < 100*/; iKey++) {
char sExtend[5] = {};
FXSYS_itoa(iKey, sExtend, 10);
key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
if (!pPageXObject->KeyExist(key))
break;
}
}
SetPageContents(key, pPageDict, pDocument);
CPDF_Dictionary* pNewXORes = nullptr;
if (!key.IsEmpty()) {
pPageXObject->SetReferenceFor(key, pDocument, dwObjNum);
CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
pNewXORes = new CPDF_Dictionary(pDocument->GetByteStringPool());
pNewOXbjectDic->SetFor("Resources", pNewXORes);
pNewOXbjectDic->SetNameFor("Type", "XObject");
pNewOXbjectDic->SetNameFor("Subtype", "Form");
pNewOXbjectDic->SetIntegerFor("FormType", 1);
pNewOXbjectDic->SetNameFor("Name", "FRM");
CFX_FloatRect rcBBox = pPageDict->GetRectFor("ArtBox");
pNewOXbjectDic->SetRectFor("BBox", rcBBox);
}
for (int i = 0; i < nStreams; i++) {
CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
if (!pAnnotDic)
continue;
CFX_FloatRect rcAnnot = pAnnotDic->GetRectFor("Rect");
rcAnnot.Normalize();
CFX_ByteString sAnnotState = pAnnotDic->GetStringFor("AS");
CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictFor("AP");
if (!pAnnotAP)
continue;
CPDF_Stream* pAPStream = pAnnotAP->GetStreamFor("N");
if (!pAPStream) {
CPDF_Dictionary* pAPDic = pAnnotAP->GetDictFor("N");
if (!pAPDic)
continue;
if (!sAnnotState.IsEmpty()) {
pAPStream = pAPDic->GetStreamFor(sAnnotState);
} else {
auto it = pAPDic->begin();
if (it != pAPDic->end()) {
CPDF_Object* pFirstObj = it->second;
if (pFirstObj) {
if (pFirstObj->IsReference())
pFirstObj = pFirstObj->GetDirect();
if (!pFirstObj->IsStream())
continue;
pAPStream = pFirstObj->AsStream();
}
}
}
}
if (!pAPStream)
continue;
CPDF_Dictionary* pAPDic = pAPStream->GetDict();
CFX_Matrix matrix = pAPDic->GetMatrixFor("Matrix");
CFX_FloatRect rcStream;
if (pAPDic->KeyExist("Rect"))
rcStream = pAPDic->GetRectFor("Rect");
else if (pAPDic->KeyExist("BBox"))
rcStream = pAPDic->GetRectFor("BBox");
if (rcStream.IsEmpty())
continue;
CPDF_Object* pObj = pAPStream;
if (pObj) {
CPDF_Dictionary* pObjDic = pObj->GetDict();
if (pObjDic) {
pObjDic->SetNameFor("Type", "XObject");
pObjDic->SetNameFor("Subtype", "Form");
}
}
CPDF_Dictionary* pXObject = pNewXORes->GetDictFor("XObject");
if (!pXObject) {
pXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
pNewXORes->SetFor("XObject", pXObject);
}
CFX_ByteString sFormName;
sFormName.Format("F%d", i);
pXObject->SetReferenceFor(sFormName, pDocument,
pDocument->AddIndirectObject(pObj));
CPDF_StreamAcc acc;
acc.LoadAllData(pNewXObject);
const uint8_t* pData = acc.GetData();
CFX_ByteString sStream(pData, acc.GetSize());
if (matrix.IsIdentity()) {
matrix.a = 1.0f;
matrix.b = 0.0f;
matrix.c = 0.0f;
matrix.d = 1.0f;
matrix.e = 0.0f;
matrix.f = 0.0f;
}
CFX_ByteString sTemp;
CFX_Matrix m = GetMatrix(rcAnnot, rcStream, matrix);
sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f,
sFormName.c_str());
sStream += sTemp;
pNewXObject->SetData(sStream.raw_str(), sStream.GetLength());
}
pPageDict->RemoveFor("Annots");
ObjectArray.RemoveAll();
RectArray.RemoveAll();
return FLATTEN_SUCCESS;
}
CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
if (!pFieldDict->KeyExist("FT")) {
// Key "FT" is required for terminal fields, it is also inheritable.
CPDF_Dictionary* pParentDict = pFieldDict->GetDictFor("Parent");
if (!pParentDict || !pParentDict->KeyExist("FT"))
return nullptr;
}
CPDF_Dictionary* pDict = pFieldDict;
CFX_WideString csWName = FPDF_GetFullName(pFieldDict);
if (csWName.IsEmpty())
return nullptr;
CPDF_FormField* pField = nullptr;
pField = m_pFieldTree->GetField(csWName);
if (!pField) {
CPDF_Dictionary* pParent = pFieldDict;
if (!pFieldDict->KeyExist("T") &&
pFieldDict->GetStringFor("Subtype") == "Widget") {
pParent = pFieldDict->GetDictFor("Parent");
if (!pParent)
pParent = pFieldDict;
}
if (pParent && pParent != pFieldDict && !pParent->KeyExist("FT")) {
if (pFieldDict->KeyExist("FT")) {
CPDF_Object* pFTValue = pFieldDict->GetDirectObjectFor("FT");
if (pFTValue)
pParent->SetFor("FT", pFTValue->Clone());
}
if (pFieldDict->KeyExist("Ff")) {
CPDF_Object* pFfValue = pFieldDict->GetDirectObjectFor("Ff");
if (pFfValue)
pParent->SetFor("Ff", pFfValue->Clone());
}
}
pField = new CPDF_FormField(this, pParent);
CPDF_Object* pTObj = pDict->GetObjectFor("T");
if (ToReference(pTObj)) {
std::unique_ptr<CPDF_Object> pClone = pTObj->CloneDirectObject();
if (pClone)
pDict->SetFor("T", std::move(pClone));
else
pDict->SetNewFor<CPDF_Name>("T", "");
}
m_pFieldTree->SetField(csWName, pField);
}
CPDF_Array* pKids = pFieldDict->GetArrayFor("Kids");
if (pKids) {
for (size_t i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pKid = pKids->GetDictAt(i);
if (!pKid)
continue;
if (pKid->GetStringFor("Subtype") != "Widget")
continue;
AddControl(pField, pKid);
}
} else {
if (pFieldDict->GetStringFor("Subtype") == "Widget")
AddControl(pField, pFieldDict);
}
return pField;
}
bool CPDF_CIDFont::Load() {
if (m_pFontDict->GetStringFor("Subtype") == "TrueType") {
LoadGB2312();
return true;
}
CPDF_Array* pFonts = m_pFontDict->GetArrayFor("DescendantFonts");
if (!pFonts || pFonts->GetCount() != 1)
return false;
CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0);
if (!pCIDFontDict)
return false;
m_BaseFont = pCIDFontDict->GetStringFor("BaseFont");
if ((m_BaseFont.Compare("CourierStd") == 0 ||
m_BaseFont.Compare("CourierStd-Bold") == 0 ||
m_BaseFont.Compare("CourierStd-BoldOblique") == 0 ||
m_BaseFont.Compare("CourierStd-Oblique") == 0) &&
!IsEmbedded()) {
m_bAdobeCourierStd = true;
}
CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictFor("FontDescriptor");
if (pFontDesc)
LoadFontDescriptor(pFontDesc);
CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
if (!pEncoding)
return false;
CFX_ByteString subtype = pCIDFontDict->GetStringFor("Subtype");
m_bType1 = (subtype == "CIDFontType0");
CPDF_CMapManager& manager = GetFontGlobals()->m_CMapManager;
if (pEncoding->IsName()) {
CFX_ByteString cmap = pEncoding->GetString();
bool bPromptCJK = m_pFontFile && m_bType1;
m_pCMap = manager.GetPredefinedCMap(cmap, bPromptCJK);
if (!m_pCMap)
return false;
} else if (CPDF_Stream* pStream = pEncoding->AsStream()) {
m_pCMap = pdfium::MakeUnique<CPDF_CMap>();
CPDF_StreamAcc acc;
acc.LoadAllData(pStream, false);
m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
} else {
return false;
}
m_Charset = m_pCMap->m_Charset;
if (m_Charset == CIDSET_UNKNOWN) {
CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo");
if (pCIDInfo) {
m_Charset =
CharsetFromOrdering(pCIDInfo->GetStringFor("Ordering").AsStringC());
}
}
if (m_Charset != CIDSET_UNKNOWN) {
bool bPromptCJK = !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID ||
pCIDFontDict->KeyExist("W"));
m_pCID2UnicodeMap = manager.GetCID2UnicodeMap(m_Charset, bPromptCJK);
}
if (m_Font.GetFace()) {
if (m_bType1)
FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
else
FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
}
m_DefaultWidth = pCIDFontDict->GetIntegerFor("DW", 1000);
CPDF_Array* pWidthArray = pCIDFontDict->GetArrayFor("W");
if (pWidthArray)
LoadMetricsArray(pWidthArray, &m_WidthList, 1);
if (!IsEmbedded())
LoadSubstFont();
if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap");
if (pmap) {
if (CPDF_Stream* pStream = pmap->AsStream()) {
m_pStreamAcc = pdfium::MakeUnique<CPDF_StreamAcc>();
m_pStreamAcc->LoadAllData(pStream, false);
} else if (pmap->GetString() == "Identity") {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
if (m_pFontFile)
m_bCIDIsGID = true;
#else
m_bCIDIsGID = true;
#endif
}
}
}
CheckFontMetrics();
if (IsVertWriting()) {
pWidthArray = pCIDFontDict->GetArrayFor("W2");
if (pWidthArray)
LoadMetricsArray(pWidthArray, &m_VertMetrics, 3);
CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayFor("DW2");
if (pDefaultArray) {
m_DefaultVY = pDefaultArray->GetIntegerAt(0);
m_DefaultW1 = pDefaultArray->GetIntegerAt(1);
} else {
m_DefaultVY = 880;
m_DefaultW1 = -1000;
}
}
return true;
}