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;
}
bool CPDF_ShadingPattern::Load() {
if (m_ShadingType != kInvalidShading)
return TRUE;
CPDF_Dictionary* pShadingDict =
m_pShadingObj ? m_pShadingObj->GetDict() : nullptr;
if (!pShadingDict)
return FALSE;
m_pFunctions.clear();
CPDF_Object* pFunc = pShadingDict->GetDirectObjectBy("Function");
if (pFunc) {
if (CPDF_Array* pArray = pFunc->AsArray()) {
m_pFunctions.resize(std::min<size_t>(pArray->GetCount(), 4));
for (size_t i = 0; i < m_pFunctions.size(); ++i)
m_pFunctions[i] = CPDF_Function::Load(pArray->GetDirectObjectAt(i));
} else {
m_pFunctions.push_back(CPDF_Function::Load(pFunc));
}
}
CPDF_Object* pCSObj = pShadingDict->GetDirectObjectBy("ColorSpace");
if (!pCSObj)
return FALSE;
CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr);
if (m_pCS)
m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType"));
// We expect to have a stream if our shading type is a mesh.
if (IsMeshShading() && !ToStream(m_pShadingObj))
return FALSE;
return TRUE;
}
CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc,
const CFX_ByteString& sName) {
CPDF_Object* pValue = LookupValue(sName);
if (!pValue) {
CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDictBy("Dests");
if (!pDests)
return nullptr;
pValue = pDests->GetDirectObjectBy(sName);
}
if (!pValue)
return nullptr;
if (CPDF_Array* pArray = pValue->AsArray())
return pArray;
if (CPDF_Dictionary* pDict = pValue->AsDictionary())
return pDict->GetArrayBy("D");
return nullptr;
}
CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc,
CPDF_Object* pPatternObj,
FX_BOOL bShading,
const CFX_Matrix& parentMatrix)
: CPDF_Pattern(SHADING,
pDoc,
bShading ? nullptr : pPatternObj,
parentMatrix),
m_ShadingType(kInvalidShading),
m_bShadingObj(bShading),
m_pShadingObj(pPatternObj),
m_pCS(nullptr),
m_pCountedCS(nullptr) {
if (!bShading) {
CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
m_Pattern2Form = pDict->GetMatrixBy("Matrix");
m_pShadingObj = pDict->GetDirectObjectBy("Shading");
m_Pattern2Form.Concat(parentMatrix);
}
}
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;
}