void CPDF_StructTreeImpl::LoadPageTree(const CPDF_Dictionary* pPageDict)
{
m_pPage = pPageDict;
if (m_pTreeRoot == NULL) {
return;
}
CPDF_Object* pKids = m_pTreeRoot->GetElementValue(FX_BSTRC("K"));
if (pKids == NULL) {
return;
}
FX_DWORD dwKids = 0;
if (pKids->GetType() == PDFOBJ_DICTIONARY) {
dwKids = 1;
} else if (pKids->GetType() == PDFOBJ_ARRAY) {
dwKids = ((CPDF_Array*)pKids)->GetCount();
} else {
return;
}
FX_DWORD i;
m_Kids.SetSize(dwKids);
for (i = 0; i < dwKids; i ++) {
m_Kids[i] = NULL;
}
CFX_MapPtrToPtr element_map;
CPDF_Dictionary* pParentTree = m_pTreeRoot->GetDict(FX_BSTRC("ParentTree"));
if (pParentTree == NULL) {
return;
}
CPDF_NumberTree parent_tree(pParentTree);
int parents_id = pPageDict->GetInteger(FX_BSTRC("StructParents"), -1);
if (parents_id >= 0) {
CPDF_Object* pParents = parent_tree.LookupValue(parents_id);
if (pParents == NULL || pParents->GetType() != PDFOBJ_ARRAY) {
return;
}
CPDF_Array* pParentArray = (CPDF_Array*)pParents;
for (i = 0; i < pParentArray->GetCount(); i ++) {
CPDF_Dictionary* pParent = pParentArray->GetDict(i);
if (pParent == NULL) {
continue;
}
AddPageNode(pParent, element_map);
}
}
}
void CPDF_StructTreeImpl::LoadPageTree(const CPDF_Dictionary* pPageDict) {
m_pPage = pPageDict;
if (!m_pTreeRoot)
return;
CPDF_Object* pKids = m_pTreeRoot->GetDirectObjectBy("K");
if (!pKids)
return;
uint32_t dwKids = 0;
if (pKids->IsDictionary())
dwKids = 1;
else if (CPDF_Array* pArray = pKids->AsArray())
dwKids = pArray->GetCount();
else
return;
m_Kids.clear();
m_Kids.resize(dwKids);
CPDF_Dictionary* pParentTree = m_pTreeRoot->GetDictBy("ParentTree");
if (!pParentTree)
return;
CPDF_NumberTree parent_tree(pParentTree);
int parents_id = pPageDict->GetIntegerBy("StructParents", -1);
if (parents_id < 0)
return;
CPDF_Array* pParentArray = ToArray(parent_tree.LookupValue(parents_id));
if (!pParentArray)
return;
std::map<CPDF_Dictionary*, CPDF_StructElementImpl*> element_map;
for (size_t i = 0; i < pParentArray->GetCount(); i++) {
if (CPDF_Dictionary* pParent = pParentArray->GetDictAt(i))
AddPageNode(pParent, element_map);
}
}
