FX_BOOL CPDF_OCContext::LoadOCGStateFromConfig(const CFX_ByteStringC& csConfig,
const CPDF_Dictionary* pOCGDict,
FX_BOOL& bValidConfig) const {
CPDF_Dictionary* pConfig =
FPDFDOC_OCG_GetConfig(m_pDocument, pOCGDict, csConfig);
if (!pConfig) {
return TRUE;
}
bValidConfig = TRUE;
FX_BOOL bState = pConfig->GetStringBy("BaseState", "ON") != "OFF";
CPDF_Array* pArray = pConfig->GetArrayBy("ON");
if (pArray) {
if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
bState = TRUE;
}
}
pArray = pConfig->GetArrayBy("OFF");
if (pArray) {
if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
bState = FALSE;
}
}
pArray = pConfig->GetArrayBy("AS");
if (pArray) {
CFX_ByteString csFind = csConfig + "State";
int32_t iCount = pArray->GetCount();
for (int32_t i = 0; i < iCount; i++) {
CPDF_Dictionary* pUsage = pArray->GetDictAt(i);
if (!pUsage) {
continue;
}
if (pUsage->GetStringBy("Event", "View") != csConfig) {
continue;
}
CPDF_Array* pOCGs = pUsage->GetArrayBy("OCGs");
if (!pOCGs) {
continue;
}
if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
continue;
}
CPDF_Dictionary* pState = pUsage->GetDictBy(csConfig);
if (!pState) {
continue;
}
bState = pState->GetStringBy(csFind) != "OFF";
}
}
return bState;
}
CPDF_Object* CPDF_StructElementImpl::GetAttr(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
FX_BOOL bInheritable,
FX_FLOAT fLevel) {
if (fLevel > nMaxRecursion) {
return nullptr;
}
if (bInheritable) {
CPDF_Object* pAttr = GetAttr(owner, name, FALSE);
if (pAttr) {
return pAttr;
}
if (!m_pParent) {
return nullptr;
}
return m_pParent->GetAttr(owner, name, TRUE, fLevel + 1);
}
CPDF_Object* pA = m_pDict->GetDirectObjectBy("A");
if (pA) {
CPDF_Dictionary* pAttrDict = FindAttrDict(pA, owner);
if (pAttrDict) {
CPDF_Object* pAttr = pAttrDict->GetDirectObjectBy(CFX_ByteString(name));
if (pAttr) {
return pAttr;
}
}
}
CPDF_Object* pC = m_pDict->GetDirectObjectBy("C");
if (!pC)
return nullptr;
CPDF_Dictionary* pClassMap = m_pTree->m_pTreeRoot->GetDictBy("ClassMap");
if (!pClassMap)
return nullptr;
if (CPDF_Array* pArray = pC->AsArray()) {
for (uint32_t i = 0; i < pArray->GetCount(); i++) {
CFX_ByteString class_name = pArray->GetStringAt(i);
CPDF_Dictionary* pClassDict = pClassMap->GetDictBy(class_name);
if (pClassDict && pClassDict->GetStringBy("O") == owner)
return pClassDict->GetDirectObjectBy(CFX_ByteString(name));
}
return nullptr;
}
CFX_ByteString class_name = pC->GetString();
CPDF_Dictionary* pClassDict = pClassMap->GetDictBy(class_name);
if (pClassDict && pClassDict->GetStringBy("O") == owner)
return pClassDict->GetDirectObjectBy(CFX_ByteString(name));
return nullptr;
}
CPDF_AnnotList::CPDF_AnnotList(CPDF_Page* pPage)
: m_pDocument(pPage->m_pDocument) {
if (!pPage->m_pFormDict)
return;
CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayBy("Annots");
if (!pAnnots)
return;
CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
FX_BOOL bRegenerateAP =
pAcroForm && pAcroForm->GetBooleanBy("NeedAppearances");
for (size_t i = 0; i < pAnnots->GetCount(); ++i) {
CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetDirectObjectAt(i));
if (!pDict)
continue;
uint32_t dwObjNum = pDict->GetObjNum();
if (dwObjNum == 0) {
dwObjNum = m_pDocument->AddIndirectObject(pDict);
CPDF_Reference* pAction = new CPDF_Reference(m_pDocument, dwObjNum);
pAnnots->InsertAt(i, pAction);
pAnnots->RemoveAt(i + 1);
pDict = pAnnots->GetDictAt(i);
}
// Skip creating Popup annotation in the PDF document since PDFium provides
// its own Popup annotations.
if (pDict->GetStringBy("Subtype") == "Popup")
continue;
m_AnnotList.push_back(
std::unique_ptr<CPDF_Annot>(new CPDF_Annot(pDict, m_pDocument, false)));
if (bRegenerateAP && pDict->GetStringBy("Subtype") == "Widget" &&
CPDF_InterForm::IsUpdateAPEnabled()) {
FPDF_GenerateAP(m_pDocument, pDict);
}
}
size_t nAnnotListSize = m_AnnotList.size();
for (size_t i = 0; i < nAnnotListSize; ++i) {
std::unique_ptr<CPDF_Annot> pPopupAnnot(
CreatePopupAnnot(m_AnnotList[i].get(), m_pDocument));
if (pPopupAnnot)
m_AnnotList.push_back(std::move(pPopupAnnot));
}
}
int CPDFSDK_BAAnnot::GetBorderStyle() const {
CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictBy("BS");
if (pBSDict) {
CFX_ByteString sBorderStyle = pBSDict->GetStringBy("S", "S");
if (sBorderStyle == "S")
return BBS_SOLID;
if (sBorderStyle == "D")
return BBS_DASH;
if (sBorderStyle == "B")
return BBS_BEVELED;
if (sBorderStyle == "I")
return BBS_INSET;
if (sBorderStyle == "U")
return BBS_UNDERLINE;
}
CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayBy("Border");
if (pBorder) {
if (pBorder->GetCount() >= 4) {
CPDF_Array* pDP = pBorder->GetArrayAt(3);
if (pDP && pDP->GetCount() > 0)
return BBS_DASH;
}
}
return BBS_SOLID;
}
CPDF_FormField* CPDF_InterForm::CheckRequiredFields(
const std::vector<CPDF_FormField*>* fields,
bool bIncludeOrExclude) const {
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(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 & 0x04)
continue;
bool bFind = true;
if (fields)
bFind = pdfium::ContainsValue(*fields, pField);
if (bIncludeOrExclude == bFind) {
CPDF_Dictionary* pFieldDict = pField->m_pDict;
if ((dwFlags & 0x02) != 0 && pFieldDict->GetStringBy("V").IsEmpty())
return pField;
}
}
return nullptr;
}
static CPDF_Dictionary* FindAttrDict(CPDF_Object* pAttrs,
const CFX_ByteStringC& owner,
FX_FLOAT nLevel = 0.0F) {
if (nLevel > nMaxRecursion)
return nullptr;
if (!pAttrs)
return nullptr;
CPDF_Dictionary* pDict = nullptr;
if (pAttrs->IsDictionary()) {
pDict = pAttrs->AsDictionary();
} else if (CPDF_Stream* pStream = pAttrs->AsStream()) {
pDict = pStream->GetDict();
} else if (CPDF_Array* pArray = pAttrs->AsArray()) {
for (uint32_t i = 0; i < pArray->GetCount(); i++) {
CPDF_Object* pElement = pArray->GetDirectObjectAt(i);
pDict = FindAttrDict(pElement, owner, nLevel + 1);
if (pDict)
return pDict;
}
}
if (pDict && pDict->GetStringBy("O") == owner)
return pDict;
return nullptr;
}
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->GetStringBy("DA");
if (DA.IsEmpty())
return;
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR)
return;
CPDF_Dictionary* pFont = pDR->GetDictBy("Font");
if (!pFont)
return;
CPDF_SimpleParser syntax(DA.AsStringC());
syntax.FindTagParamFromStart("Tf", 2);
CFX_ByteString font_name(syntax.GetWord());
CPDF_Dictionary* pFontDict = pFont->GetDictBy(font_name);
if (!pFontDict)
return;
m_pFont = m_pForm->m_pDocument->LoadFont(pFontDict);
m_FontSize = FX_atof(syntax.GetWord());
}
FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict,
const CPDF_Font* pFont,
CFX_ByteString& csNameTag) {
if (!pFormDict || !pFont) {
return FALSE;
}
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR) {
return FALSE;
}
CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
if (!pFonts) {
return FALSE;
}
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetStringBy("Type") != "Font") {
continue;
}
if (pFont->GetFontDict() == pElement) {
csNameTag = csKey;
return TRUE;
}
}
return FALSE;
}
CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
FX_DWORD index,
CFX_ByteString& csNameTag) {
if (!pFormDict) {
return NULL;
}
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR) {
return NULL;
}
CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
if (!pFonts) {
return NULL;
}
FX_DWORD dwCount = 0;
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetStringBy("Type") != "Font")
continue;
if (dwCount == index) {
csNameTag = csKey;
return pDocument->LoadFont(pElement);
}
dwCount++;
}
return NULL;
}
FX_BOOL CPDF_InterForm::ImportFromFDF(const CFDF_Document* pFDF,
FX_BOOL bNotify) {
if (!pFDF)
return FALSE;
CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictBy("FDF");
if (!pMainDict)
return FALSE;
CPDF_Array* pFields = pMainDict->GetArrayBy("Fields");
if (!pFields)
return FALSE;
m_bsEncoding = pMainDict->GetStringBy("Encoding");
if (bNotify && m_pFormNotify && m_pFormNotify->BeforeFormImportData(this) < 0)
return FALSE;
for (size_t i = 0; i < pFields->GetCount(); i++) {
CPDF_Dictionary* pField = pFields->GetDictAt(i);
if (!pField)
continue;
FDF_ImportField(pField, L"", bNotify);
}
if (bNotify && m_pFormNotify)
m_pFormNotify->AfterFormImportData(this);
return TRUE;
}
void CPDF_StructElementImpl::LoadKid(uint32_t PageObjNum,
CPDF_Object* pKidObj,
CPDF_StructKid* pKid) {
pKid->m_Type = CPDF_StructKid::Invalid;
if (!pKidObj)
return;
if (pKidObj->IsNumber()) {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::PageContent;
pKid->m_PageContent.m_ContentId = pKidObj->GetInteger();
pKid->m_PageContent.m_PageObjNum = PageObjNum;
return;
}
CPDF_Dictionary* pKidDict = pKidObj->AsDictionary();
if (!pKidDict)
return;
if (CPDF_Reference* pRef = ToReference(pKidDict->GetObjectBy("Pg")))
PageObjNum = pRef->GetRefObjNum();
CFX_ByteString type = pKidDict->GetStringBy("Type");
if (type == "MCR") {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::StreamContent;
if (CPDF_Reference* pRef = ToReference(pKidDict->GetObjectBy("Stm"))) {
pKid->m_StreamContent.m_RefObjNum = pRef->GetRefObjNum();
} else {
pKid->m_StreamContent.m_RefObjNum = 0;
}
pKid->m_StreamContent.m_PageObjNum = PageObjNum;
pKid->m_StreamContent.m_ContentId = pKidDict->GetIntegerBy("MCID");
} else if (type == "OBJR") {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::Object;
if (CPDF_Reference* pObj = ToReference(pKidDict->GetObjectBy("Obj"))) {
pKid->m_Object.m_RefObjNum = pObj->GetRefObjNum();
} else {
pKid->m_Object.m_RefObjNum = 0;
}
pKid->m_Object.m_PageObjNum = PageObjNum;
} else {
pKid->m_Type = CPDF_StructKid::Element;
pKid->m_Element.m_pDict = pKidDict;
if (!m_pTree->m_pPage) {
pKid->m_Element.m_pElement =
new CPDF_StructElementImpl(m_pTree, this, pKidDict);
} else {
pKid->m_Element.m_pElement = nullptr;
}
}
}
FX_BOOL CPDF_ViewerPreferences::PrintScaling() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
pDict = pDict->GetDictBy("ViewerPreferences");
if (!pDict) {
return TRUE;
}
return "None" != pDict->GetStringBy("PrintScaling");
}
CFX_ByteString CPDF_ViewerPreferences::Duplex() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
pDict = pDict->GetDictBy("ViewerPreferences");
if (!pDict) {
return "None";
}
return pDict->GetStringBy("Duplex");
}
FX_BOOL CPDF_ViewerPreferences::IsDirectionR2L() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
pDict = pDict->GetDictBy("ViewerPreferences");
if (!pDict) {
return FALSE;
}
return "R2L" == pDict->GetStringBy("Direction");
}
void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage,
std::vector<CPDF_Dictionary*>* pList) {
CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayBy("Annots");
if (!pAnnotList)
return;
for (size_t i = 0; i < pAnnotList->GetCount(); ++i) {
CPDF_Dictionary* pAnnot = pAnnotList->GetDictAt(i);
bool add_link = (pAnnot && pAnnot->GetStringBy("Subtype") == "Link");
// Add non-links as nullptrs to preserve z-order.
pList->push_back(add_link ? pAnnot : nullptr);
}
}
FX_BOOL CPDF_OCContext::LoadOCGState(const CPDF_Dictionary* pOCGDict) const {
if (!FPDFDOC_OCG_HasIntent(pOCGDict, "View", "View")) {
return TRUE;
}
CFX_ByteString csState = FPDFDOC_OCG_GetUsageTypeString(m_eUsageType);
CPDF_Dictionary* pUsage = pOCGDict->GetDictBy("Usage");
if (pUsage) {
CPDF_Dictionary* pState = pUsage->GetDictBy(csState);
if (pState) {
CFX_ByteString csFind = csState + "State";
if (pState->KeyExist(csFind)) {
return pState->GetStringBy(csFind) != "OFF";
}
}
if (csState != "View") {
pState = pUsage->GetDictBy("View");
if (pState && pState->KeyExist("ViewState")) {
return pState->GetStringBy("ViewState") != "OFF";
}
}
}
FX_BOOL bDefValid = FALSE;
return LoadOCGStateFromConfig(csState, pOCGDict, bDefValid);
}
void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) {
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
if (!pPageDict)
return;
CPDF_Array* pAnnots = pPageDict->GetArrayBy("Annots");
if (!pAnnots)
return;
for (size_t i = 0; i < pAnnots->GetCount(); i++) {
CPDF_Dictionary* pAnnot = pAnnots->GetDictAt(i);
if (pAnnot && pAnnot->GetStringBy("Subtype") == "Widget")
LoadField(pAnnot);
}
}
FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
CFX_ByteString csFontName,
CPDF_Font*& pFont,
CFX_ByteString& csNameTag) {
if (!pFormDict) {
return FALSE;
}
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR) {
return FALSE;
}
CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
if (!pFonts) {
return FALSE;
}
if (csFontName.GetLength() > 0) {
csFontName.Remove(' ');
}
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetStringBy("Type") != "Font") {
continue;
}
pFont = pDocument->LoadFont(pElement);
if (!pFont) {
continue;
}
CFX_ByteString csBaseFont;
csBaseFont = pFont->GetBaseFont();
csBaseFont.Remove(' ');
if (csBaseFont == csFontName) {
csNameTag = csKey;
return TRUE;
}
}
return FALSE;
}
static FX_BOOL LoadCryptInfo(CPDF_Dictionary* pEncryptDict,
const CFX_ByteString& name,
int& cipher,
int& keylen) {
int Version = pEncryptDict->GetIntegerBy("V");
cipher = FXCIPHER_RC4;
keylen = 0;
if (Version >= 4) {
CPDF_Dictionary* pCryptFilters = pEncryptDict->GetDictBy("CF");
if (!pCryptFilters) {
return FALSE;
}
if (name == "Identity") {
cipher = FXCIPHER_NONE;
} else {
CPDF_Dictionary* pDefFilter = pCryptFilters->GetDictBy(name);
if (!pDefFilter) {
return FALSE;
}
int nKeyBits = 0;
if (Version == 4) {
nKeyBits = pDefFilter->GetIntegerBy("Length", 0);
if (nKeyBits == 0) {
nKeyBits = pEncryptDict->GetIntegerBy("Length", 128);
}
} else {
nKeyBits = pEncryptDict->GetIntegerBy("Length", 256);
}
if (nKeyBits < 40) {
nKeyBits *= 8;
}
keylen = nKeyBits / 8;
CFX_ByteString cipher_name = pDefFilter->GetStringBy("CFM");
if (cipher_name == "AESV2" || cipher_name == "AESV3") {
cipher = FXCIPHER_AES;
}
}
} else {
keylen = Version > 1 ? pEncryptDict->GetIntegerBy("Length", 40) / 8 : 5;
}
if (keylen > 32 || keylen < 0) {
return FALSE;
}
return TRUE;
}
void CPDF_PageObjectList::LoadTransInfo() {
if (!m_pFormDict) {
return;
}
CPDF_Dictionary* pGroup = m_pFormDict->GetDictBy("Group");
if (!pGroup) {
return;
}
if (pGroup->GetStringBy("S") != "Transparency") {
return;
}
m_Transparency |= PDFTRANS_GROUP;
if (pGroup->GetIntegerBy("I")) {
m_Transparency |= PDFTRANS_ISOLATED;
}
if (pGroup->GetIntegerBy("K")) {
m_Transparency |= PDFTRANS_KNOCKOUT;
}
}
CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
CFX_ByteString csFontName,
CFX_ByteString& csNameTag) {
if (!pFormDict || csFontName.IsEmpty()) {
return NULL;
}
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR) {
return NULL;
}
CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
if (!pFonts) {
return NULL;
}
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetStringBy("Type") != "Font")
continue;
CPDF_Font* pFind = pDocument->LoadFont(pElement);
if (!pFind)
continue;
CFX_ByteString csBaseFont;
csBaseFont = pFind->GetBaseFont();
csBaseFont.Remove(' ');
if (csBaseFont == csFontName) {
csNameTag = csKey;
return pFind;
}
}
return NULL;
}
CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
uint8_t charSet,
CFX_ByteString& csNameTag) {
if (!pFormDict) {
return NULL;
}
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR) {
return NULL;
}
CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
if (!pFonts) {
return NULL;
}
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetStringBy("Type") != "Font")
continue;
CPDF_Font* pFind = pDocument->LoadFont(pElement);
if (!pFind) {
continue;
}
CFX_SubstFont* pSubst = (CFX_SubstFont*)pFind->GetSubstFont();
if (!pSubst) {
continue;
}
if (pSubst->m_Charset == (int)charSet) {
csNameTag = csKey;
return pFind;
}
}
return NULL;
}
CPDF_StructElementImpl* CPDF_StructTreeImpl::AddPageNode(
CPDF_Dictionary* pDict,
std::map<CPDF_Dictionary*, CPDF_StructElementImpl*>& map,
int nLevel) {
if (nLevel > nMaxRecursion)
return nullptr;
auto it = map.find(pDict);
if (it != map.end())
return it->second;
CPDF_StructElementImpl* pElement =
new CPDF_StructElementImpl(this, nullptr, pDict);
map[pDict] = pElement;
CPDF_Dictionary* pParent = pDict->GetDictBy("P");
if (!pParent || pParent->GetStringBy("Type") == "StructTreeRoot") {
if (!AddTopLevelNode(pDict, pElement)) {
pElement->Release();
map.erase(pDict);
}
} else {
CPDF_StructElementImpl* pParentElement =
AddPageNode(pParent, map, nLevel + 1);
FX_BOOL bSave = FALSE;
for (CPDF_StructKid& kid : pParentElement->m_Kids) {
if (kid.m_Type != CPDF_StructKid::Element)
continue;
if (kid.m_Element.m_pDict != pDict)
continue;
kid.m_Element.m_pElement = pElement->Retain();
bSave = TRUE;
}
if (!bSave) {
pElement->Release();
map.erase(pDict);
}
}
return pElement;
}
CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict,
CPDF_Annot::AppearanceMode mode) {
CPDF_Dictionary* pAP = pAnnotDict->GetDictBy("AP");
if (!pAP) {
return nullptr;
}
const FX_CHAR* ap_entry = "N";
if (mode == CPDF_Annot::Down)
ap_entry = "D";
else if (mode == CPDF_Annot::Rollover)
ap_entry = "R";
if (!pAP->KeyExist(ap_entry))
ap_entry = "N";
CPDF_Object* psub = pAP->GetDirectObjectBy(ap_entry);
if (!psub)
return nullptr;
if (CPDF_Stream* pStream = psub->AsStream())
return pStream;
if (CPDF_Dictionary* pDict = psub->AsDictionary()) {
CFX_ByteString as = pAnnotDict->GetStringBy("AS");
if (as.IsEmpty()) {
CFX_ByteString value = pAnnotDict->GetStringBy("V");
if (value.IsEmpty()) {
CPDF_Dictionary* pParentDict = pAnnotDict->GetDictBy("Parent");
value = pParentDict ? pParentDict->GetStringBy("V") : CFX_ByteString();
}
if (value.IsEmpty() || !pDict->KeyExist(value))
as = "Off";
else
as = value;
}
return pDict->GetStreamBy(as);
}
return nullptr;
}
CPDF_Font* CBA_FontMap::FindResFontSameCharset(CPDF_Dictionary* pResDict,
CFX_ByteString& sFontAlias,
int32_t nCharset) {
if (!pResDict)
return nullptr;
CPDF_Dictionary* pFonts = pResDict->GetDictBy("Font");
if (!pFonts)
return nullptr;
CPDF_Document* pDocument = GetDocument();
CPDF_Font* pFind = nullptr;
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj)
continue;
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetStringBy("Type") != "Font")
continue;
CPDF_Font* pFont = pDocument->LoadFont(pElement);
if (!pFont)
continue;
const CFX_SubstFont* pSubst = pFont->GetSubstFont();
if (!pSubst)
continue;
if (pSubst->m_Charset == nCharset) {
sFontAlias = csKey;
pFind = pFont;
}
}
return pFind;
}
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->GetArrayBy("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->GetStringBy("Subtype") == "Link") {
*startPos = static_cast<int>(i + 1);
*linkAnnot = static_cast<FPDF_LINK>(pDict);
return TRUE;
}
}
return FALSE;
}
CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
CFX_ByteString csNameTag) {
CFX_ByteString csAlias = PDF_NameDecode(csNameTag);
if (!pFormDict || csAlias.IsEmpty()) {
return NULL;
}
CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
if (!pDR) {
return NULL;
}
CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
if (!pFonts) {
return NULL;
}
CPDF_Dictionary* pElement = pFonts->GetDictBy(csAlias);
if (!pElement) {
return NULL;
}
if (pElement->GetStringBy("Type") == "Font") {
return pDocument->LoadFont(pElement);
}
return NULL;
}
void CPDF_Annot::DrawBorder(CFX_RenderDevice* pDevice,
const CFX_Matrix* pUser2Device,
const CPDF_RenderOptions* pOptions) {
if (GetSubtype() == CPDF_Annot::Subtype::POPUP)
return;
uint32_t annot_flags = GetFlags();
if (annot_flags & ANNOTFLAG_HIDDEN) {
return;
}
bool bPrinting = pDevice->GetDeviceClass() == FXDC_PRINTER ||
(pOptions && (pOptions->m_Flags & RENDER_PRINTPREVIEW));
if (bPrinting && (annot_flags & ANNOTFLAG_PRINT) == 0) {
return;
}
if (!bPrinting && (annot_flags & ANNOTFLAG_NOVIEW)) {
return;
}
CPDF_Dictionary* pBS = m_pAnnotDict->GetDictBy("BS");
char style_char;
FX_FLOAT width;
CPDF_Array* pDashArray = nullptr;
if (!pBS) {
CPDF_Array* pBorderArray = m_pAnnotDict->GetArrayBy("Border");
style_char = 'S';
if (pBorderArray) {
width = pBorderArray->GetNumberAt(2);
if (pBorderArray->GetCount() == 4) {
pDashArray = pBorderArray->GetArrayAt(3);
if (!pDashArray) {
return;
}
size_t nLen = pDashArray->GetCount();
size_t i = 0;
for (; i < nLen; ++i) {
CPDF_Object* pObj = pDashArray->GetDirectObjectAt(i);
if (pObj && pObj->GetInteger()) {
break;
}
}
if (i == nLen) {
return;
}
style_char = 'D';
}
} else {
width = 1;
}
} else {
CFX_ByteString style = pBS->GetStringBy("S");
pDashArray = pBS->GetArrayBy("D");
style_char = style[1];
width = pBS->GetNumberBy("W");
}
if (width <= 0) {
return;
}
CPDF_Array* pColor = m_pAnnotDict->GetArrayBy("C");
uint32_t argb = 0xff000000;
if (pColor) {
int R = (int32_t)(pColor->GetNumberAt(0) * 255);
int G = (int32_t)(pColor->GetNumberAt(1) * 255);
int B = (int32_t)(pColor->GetNumberAt(2) * 255);
argb = ArgbEncode(0xff, R, G, B);
}
CFX_GraphStateData graph_state;
graph_state.m_LineWidth = width;
if (style_char == 'D') {
if (pDashArray) {
size_t dash_count = pDashArray->GetCount();
if (dash_count % 2) {
dash_count++;
}
graph_state.m_DashArray = FX_Alloc(FX_FLOAT, dash_count);
graph_state.m_DashCount = dash_count;
size_t i;
for (i = 0; i < pDashArray->GetCount(); ++i) {
graph_state.m_DashArray[i] = pDashArray->GetNumberAt(i);
}
if (i < dash_count) {
graph_state.m_DashArray[i] = graph_state.m_DashArray[i - 1];
}
} else {
graph_state.m_DashArray = FX_Alloc(FX_FLOAT, 2);
graph_state.m_DashCount = 2;
graph_state.m_DashArray[0] = graph_state.m_DashArray[1] = 3 * 1.0f;
}
}
CFX_FloatRect rect = GetRect();
CFX_PathData path;
width /= 2;
path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width,
rect.top - width);
int fill_type = 0;
if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) {
fill_type |= FXFILL_NOPATHSMOOTH;
}
pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type);
}
CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
if (!pFieldDict->KeyExist("T"))
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->GetStringBy("Subtype") == "Widget") {
pParent = pFieldDict->GetDictBy("Parent");
if (!pParent)
pParent = pFieldDict;
}
if (pParent && pParent != pFieldDict && !pParent->KeyExist("FT")) {
if (pFieldDict->KeyExist("FT")) {
CPDF_Object* pFTValue = pFieldDict->GetDirectObjectBy("FT");
if (pFTValue)
pParent->SetAt("FT", pFTValue->Clone());
}
if (pFieldDict->KeyExist("Ff")) {
CPDF_Object* pFfValue = pFieldDict->GetDirectObjectBy("Ff");
if (pFfValue)
pParent->SetAt("Ff", pFfValue->Clone());
}
}
pField = new CPDF_FormField(this, pParent);
CPDF_Object* pTObj = pDict->GetObjectBy("T");
if (ToReference(pTObj)) {
CPDF_Object* pClone = pTObj->CloneDirectObject();
if (pClone)
pDict->SetAt("T", pClone);
else
pDict->SetAtName("T", "");
}
m_pFieldTree->SetField(csWName, pField);
}
CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids");
if (!pKids) {
if (pFieldDict->GetStringBy("Subtype") == "Widget")
AddControl(pField, pFieldDict);
} else {
for (size_t i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pKid = pKids->GetDictAt(i);
if (!pKid)
continue;
if (pKid->GetStringBy("Subtype") != "Widget")
continue;
AddControl(pField, pKid);
}
}
return pField;
}
void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding,
int& iBaseEncoding,
std::vector<CFX_ByteString>* pCharNames,
FX_BOOL bEmbedded,
FX_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->GetStringBy("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->GetArrayBy("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();
}
}
}
