fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Object classifier

Browse Source
This commit is contained in:
Jakub Melka
2021-06-11 19:01:18 +02:00
parent 2745c7828c
commit eb5f904842
9 changed files with 428 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
Pdf4QtViewerPlugins/ObjectInspectorPlugin/pdfobjectinspectortreeitemmodel.cpp
View File

@ -18,6 +18,7 @@
#include "pdfobjectinspectortreeitemmodel.h"
#include "pdfdocument.h"
#include "pdfvisitor.h"
#include "pdfencoding.h"
#include <stack>
@ -84,8 +85,9 @@ void PDFObjectInspectorTreeItem::setObject(const pdf::PDFObject& object)
m_object = object;
}
PDFObjectInspectorTreeItemModel::PDFObjectInspectorTreeItemModel(QObject* parent) :
pdf::PDFTreeItemModel(parent)
PDFObjectInspectorTreeItemModel::PDFObjectInspectorTreeItemModel(const pdf::PDFObjectClassifier* classifier, QObject* parent) :
pdf::PDFTreeItemModel(parent),
m_classifier(classifier)
{
}
@ -100,6 +102,8 @@ QVariant PDFObjectInspectorTreeItemModel::headerData(int section, Qt::Orientatio
int PDFObjectInspectorTreeItemModel::columnCount(const QModelIndex& parent) const
{
Q_UNUSED(parent);
return 1;
}
@ -119,7 +123,7 @@ QVariant PDFObjectInspectorTreeItemModel::data(const QModelIndex& index, int rol
const PDFObjectInspectorTreeItem* parent = static_cast<const PDFObjectInspectorTreeItem*>(index.parent().internalPointer());
QStringList data;
if (item->getReference().isValid() && parent && !parent->getReference().isValid())
if (item->getReference().isValid() && (!parent || (parent && !parent->getReference().isValid())))
{
data << QString("%1 %2 R").arg(item->getReference().objectNumber).arg(item->getReference().generation);
}
@ -152,7 +156,7 @@ QVariant PDFObjectInspectorTreeItemModel::data(const QModelIndex& index, int rol
break;
case pdf::PDFObject::Type::String:
data << QString("\"%1\"").arg(QString::fromLatin1(object.getString().toPercentEncoding()));
data << QString("\"%1\"").arg(pdf::PDFEncoding::convertSmartFromByteStringToRepresentableQString(object.getString()));
break;
case pdf::PDFObject::Type::Name:
@ -168,7 +172,7 @@ QVariant PDFObjectInspectorTreeItemModel::data(const QModelIndex& index, int rol
break;
case pdf::PDFObject::Type::Stream:
data << tr("Stream [%1 items, %2 data bytes]").arg(locale.toString(object.getStream()->getDictionary()->getCount())).arg(locale.toString(object.getStream()->getContent()->size()));
data << tr("Stream [%1 items, %2 data bytes]").arg(locale.toString(object.getStream()->getDictionary()->getCount()), locale.toString(object.getStream()->getContent()->size()));
break;
case pdf::PDFObject::Type::Reference:
@ -193,6 +197,17 @@ void PDFObjectInspectorTreeItemModel::update()
{
std::set<pdf::PDFObjectReference> usedReferences;
auto createObjectsFromClassifier = [this, &usedReferences](pdf::PDFObjectClassifier::Type type)
{
m_rootItem.reset(new PDFObjectInspectorTreeItem());
for (pdf::PDFObjectReference reference : m_classifier->getObjectsByType(type))
{
pdf::PDFObject object = m_document->getStorage().getObjectByReference(reference);
createObjectItem(getRootItem(), reference, object, true, usedReferences);
}
};
switch (m_mode)
{
case pdfplugin::PDFObjectInspectorTreeItemModel::Document:
@ -221,7 +236,44 @@ void PDFObjectInspectorTreeItemModel::update()
break;
}
case pdfplugin::PDFObjectInspectorTreeItemModel::Image:
case ContentStream:
createObjectsFromClassifier(pdf::PDFObjectClassifier::ContentStream);
break;
case GraphicState:
createObjectsFromClassifier(pdf::PDFObjectClassifier::GraphicState);
break;
case ColorSpace:
createObjectsFromClassifier(pdf::PDFObjectClassifier::ColorSpace);
break;
case Pattern:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Pattern);
break;
case Shading:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Shading);
break;
case Image:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Image);
break;
case Form:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Form);
break;
case Font:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Font);
break;
case Action:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Action);
break;
case Annotation:
createObjectsFromClassifier(pdf::PDFObjectClassifier::Annotation);
break;
case pdfplugin::PDFObjectInspectorTreeItemModel::List:
@ -392,7 +444,7 @@ void PDFCreateObjectInspectorTreeItemFromObjectVisitor::visitReference(const pdf
{
Q_ASSERT(m_usedReferences);
if (!m_usedReferences->count(reference))
if (m_usedReferences->count(reference))
{
// Reference already followed
return;