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PDF4QT
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DocDiff application: view documents

This commit is contained in:
Jakub Melka 2021-10-09 18:13:34 +02:00
parent a78ed9f0b3
commit 8975a18d93
7 changed files with 174 additions and 14 deletions
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12
Pdf4QtDocDiff/differencesdockwidget.cpp
View File

@ -76,11 +76,13 @@ QSize DifferenceItemDelegate::sizeHint(const QStyleOptionViewItem& option,
}
DifferencesDockWidget::DifferencesDockWidget(QWidget* parent,
pdf::PDFDiffResult* unfilteredDiffResult,
pdf::PDFDiffResult* diffResult,
pdf::PDFDiffResultNavigator* diffNavigator,
Settings* settings) :
QDockWidget(parent),
ui(new Ui::DifferencesDockWidget),
m_unfilteredDiffResult(unfilteredDiffResult),
m_diffResult(diffResult),
m_diffNavigator(diffNavigator),
m_settings(settings),
@ -190,7 +192,17 @@ void DifferencesDockWidget::update()
};
const size_t differenceCount = m_diffResult->getDifferencesCount();
const size_t unfilteredDifferenceCount = m_unfilteredDiffResult->getDifferencesCount();
const size_t hiddenDifferences = unfilteredDifferenceCount - differenceCount;
if (hiddenDifferences > 0)
{
ui->infoTextLabel->setText(tr("%1 Differences (+%2 hidden)").arg(differenceCount).arg(hiddenDifferences));
}
else
{
ui->infoTextLabel->setText(tr("%1 Differences").arg(differenceCount));
}
pdf::PDFInteger lastLeftPageIndex = -1;
pdf::PDFInteger lastRightPageIndex = -1;

2
Pdf4QtDocDiff/differencesdockwidget.h
View File

@ -59,6 +59,7 @@ class DifferencesDockWidget : public QDockWidget
public:
explicit DifferencesDockWidget(QWidget* parent,
pdf::PDFDiffResult* unfilteredDiffResult,
pdf::PDFDiffResult* diffResult,
pdf::PDFDiffResultNavigator* diffNavigator,
Settings* settings);
@ -76,6 +77,7 @@ private:
QColor getColorForIndex(size_t index) const;
QModelIndex findResultIndex(size_t index) const;
pdf::PDFDiffResult* m_unfilteredDiffResult;
pdf::PDFDiffResult* m_diffResult;
pdf::PDFDiffResultNavigator* m_diffNavigator;
Settings* m_settings;

113
Pdf4QtDocDiff/mainwindow.cpp
View File

@ -24,6 +24,7 @@
#include "pdfwidgetutils.h"
#include "pdfdocumentreader.h"
#include "pdfdrawspacecontroller.h"
#include <QToolBar>
#include <QDesktopWidget>
@ -31,6 +32,7 @@
#include <QMessageBox>
#include <QInputDialog>
#include <QFileDialog>
#include <QVBoxLayout>
namespace pdfdocdiff
{
@ -41,8 +43,11 @@ MainWindow::MainWindow(QWidget* parent) :
m_progress(new pdf::PDFProgress(this)),
m_taskbarButton(new QWinTaskbarButton(this)),
m_progressTaskbarIndicator(nullptr),
m_cmsManager(nullptr),
m_pdfWidget(nullptr),
m_settingsDockWidget(nullptr),
m_differencesDockWidget(nullptr),
m_optionalContentActivity(nullptr),
m_diff(nullptr),
m_isChangingProgressStep(false),
m_dontDisplayErrorMessage(false),
@ -58,9 +63,16 @@ MainWindow::MainWindow(QWidget* parent) :
m_settingsDockWidget = new SettingsDockWidget(this);
addDockWidget(Qt::LeftDockWidgetArea, m_settingsDockWidget);;
m_differencesDockWidget = new DifferencesDockWidget(this, &m_filteredDiffResult, &m_diffNavigator, &m_settings);
m_differencesDockWidget = new DifferencesDockWidget(this, &m_diffResult, &m_filteredDiffResult, &m_diffNavigator, &m_settings);
addDockWidget(Qt::LeftDockWidgetArea, m_differencesDockWidget);
ui->documentFrame->setLayout(new QVBoxLayout);
m_cmsManager = new pdf::PDFCMSManager(this);
m_pdfWidget = new pdf::PDFWidget(m_cmsManager, pdf::RendererEngine::Software, 1, ui->documentFrame);
m_pdfWidget->getDrawWidgetProxy()->setProgress(m_progress);
ui->documentFrame->layout()->addWidget(m_pdfWidget);
ui->menuView->addSeparator();
ui->menuView->addAction(m_settingsDockWidget->toggleViewAction());
ui->menuView->addAction(m_differencesDockWidget->toggleViewAction());
@ -86,6 +98,14 @@ MainWindow::MainWindow(QWidget* parent) :
ui->actionShow_Pages_with_Differences->setData(int(Operation::ShowPageswithDifferences));
ui->actionSave_Differences_to_XML->setData(int(Operation::SaveDifferencesToXML));
QActionGroup* actionGroup = new QActionGroup(this);
actionGroup->setExclusionPolicy(QActionGroup::ExclusionPolicy::Exclusive);
actionGroup->addAction(ui->actionView_Differences);
actionGroup->addAction(ui->actionView_Left);
actionGroup->addAction(ui->actionView_Right);
actionGroup->addAction(ui->actionView_Overlay);
ui->actionView_Differences->setChecked(true);
QToolBar* mainToolbar = addToolBar(tr("Main"));
mainToolbar->setObjectName("main_toolbar");
mainToolbar->addActions({ ui->actionOpen_Left, ui->actionOpen_Right });
@ -170,6 +190,8 @@ void MainWindow::onMappedActionTriggered(int actionId)
void MainWindow::onComparationFinished()
{
clear(false, false);
m_diffResult = m_diff.getResult();
if (!m_dontDisplayErrorMessage)
@ -326,6 +348,7 @@ void MainWindow::performOperation(Operation operation)
std::optional<pdf::PDFDocument> document = openDocument();
if (document)
{
clear(true, false);
m_leftDocument = std::move(*document);
const size_t pageCount = m_leftDocument.getCatalog()->getPageCount();
@ -341,11 +364,10 @@ void MainWindow::performOperation(Operation operation)
{
ui->leftPageSelectionEdit->clear();
}
updateViewDocument();
}
else
{
ui->leftPageSelectionEdit->clear();
}
break;
}
@ -357,6 +379,7 @@ void MainWindow::performOperation(Operation operation)
std::optional<pdf::PDFDocument> document = openDocument();
if (document)
{
clear(false, true);
m_rightDocument = std::move(*document);
const size_t pageCount = m_rightDocument.getCatalog()->getPageCount();
@ -372,11 +395,10 @@ void MainWindow::performOperation(Operation operation)
{
ui->rightPageSelectionEdit->clear();
}
updateViewDocument();
}
else
{
ui->rightPageSelectionEdit->clear();
}
break;
}
@ -451,6 +473,9 @@ void MainWindow::performOperation(Operation operation)
case Operation::ViewLeft:
case Operation::ViewRight:
case Operation::ViewOverlay:
updateViewDocument();
break;
case Operation::ShowPageswithDifferences:
case Operation::SaveDifferencesToXML:
case Operation::CreateCompareReport:
@ -467,6 +492,53 @@ void MainWindow::performOperation(Operation operation)
updateActions();
}
void MainWindow::setViewDocument(pdf::PDFDocument* document)
{
if (document != m_pdfWidget->getDrawWidgetProxy()->getDocument())
{
m_optionalContentActivity->deleteLater();
m_optionalContentActivity = nullptr;
if (document)
{
m_optionalContentActivity = new pdf::PDFOptionalContentActivity(document, pdf::OCUsage::View, this);
}
if (document)
{
pdf::PDFModifiedDocument modifiedDocument(document, m_optionalContentActivity);
m_pdfWidget->setDocument(modifiedDocument);
}
else
{
m_pdfWidget->setDocument(pdf::PDFModifiedDocument());
}
}
}
void MainWindow::clear(bool clearLeftDocument, bool clearRightDocument)
{
setViewDocument(nullptr);
if (clearLeftDocument)
{
m_leftDocument = pdf::PDFDocument();
ui->leftPageSelectionEdit->clear();
}
if (clearRightDocument)
{
m_rightDocument = pdf::PDFDocument();
ui->rightPageSelectionEdit->clear();
}
m_diffResult = pdf::PDFDiffResult();
m_filteredDiffResult = pdf::PDFDiffResult();
m_diffNavigator.update();
updateAll(false);
}
void MainWindow::updateAll(bool resetFilters)
{
if (resetFilters)
@ -479,6 +551,7 @@ void MainWindow::updateAll(bool resetFilters)
}
updateFilteredResult();
updateViewDocument();
}
void MainWindow::updateFilteredResult()
@ -498,6 +571,28 @@ void MainWindow::updateFilteredResult()
updateActions();
}
void MainWindow::updateViewDocument()
{
pdf::PDFDocument* document = nullptr;
if (ui->actionView_Left->isChecked())
{
document = &m_leftDocument;
}
if (ui->actionView_Right->isChecked())
{
document = &m_rightDocument;
}
if (ui->actionView_Differences->isChecked() || ui->actionView_Overlay->isChecked())
{
document = &m_combinedDocument;
}
setViewDocument(document);
}
std::optional<pdf::PDFDocument> MainWindow::openDocument()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Select PDF document"), m_settings.directory, tr("PDF document (*.pdf)"));

16
Pdf4QtDocDiff/mainwindow.h
View File

@ -22,6 +22,9 @@
#include "pdfdocument.h"
#include "pdfdiff.h"
#include "pdfdrawwidget.h"
#include "pdfcms.h"
#include "pdfoptionalcontent.h"
#include <QMainWindow>
#include <QSignalMapper>
@ -95,8 +98,17 @@ private:
bool canPerformOperation(Operation operation) const;
void performOperation(Operation operation);
void setViewDocument(pdf::PDFDocument* document);
/// Clears all data, and possibly documents also.
/// View document is set to nullptr.
/// \param clearLeftDocument Clear left document?
/// \param clearRightDocument Clear left document?
void clear(bool clearLeftDocument, bool clearRightDocument);
void updateAll(bool resetFilters);
void updateFilteredResult();
void updateViewDocument();
std::optional<pdf::PDFDocument> openDocument();
@ -105,8 +117,11 @@ private:
pdf::PDFProgress* m_progress;
QWinTaskbarButton* m_taskbarButton;
QWinTaskbarProgress* m_progressTaskbarIndicator;
pdf::PDFCMSManager* m_cmsManager;
pdf::PDFWidget* m_pdfWidget;
SettingsDockWidget* m_settingsDockWidget;
DifferencesDockWidget* m_differencesDockWidget;
pdf::PDFOptionalContentActivity* m_optionalContentActivity;
Settings m_settings;
QSignalMapper m_mapper;
@ -116,6 +131,7 @@ private:
pdf::PDFDocument m_leftDocument;
pdf::PDFDocument m_rightDocument;
pdf::PDFDocument m_combinedDocument;
pdf::PDFDiffResult m_diffResult;
pdf::PDFDiffResult m_filteredDiffResult; ///< Difference result with filters applied

5
Pdf4QtDocDiff/mainwindow.ui
View File

@ -54,16 +54,13 @@
</widget>
</item>
<item row="1" column="0" colspan="2">
<widget class="QFrame" name="frame">
<widget class="QFrame" name="documentFrame">
<property name="frameShape">
<enum>QFrame::Box</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Raised</enum>
</property>
<property name="midLineWidth">
<number>3</number>
</property>
</widget>
</item>
</layout>

26
Pdf4QtLib/sources/pdfdiff.cpp
View File

@ -465,6 +465,8 @@ void PDFDiff::performCompare(const std::vector<PDFDiffPageContext>& leftPrepared
using AlgorithmLCS = PDFAlgorithmLongestCommonSubsequenceBase;
auto modifiedRanges = AlgorithmLCS::getModifiedRanges(pageSequence);
PDFDiffResult::PageSequence resultPageSequence;
resultPageSequence.reserve(pageSequence.size());
// First find all moved pages
for (const AlgorithmLCS::SequenceItem& item : pageSequence)
@ -480,7 +482,21 @@ void PDFDiff::performCompare(const std::vector<PDFDiffPageContext>& leftPrepared
{
result.addPageMoved(leftPreparedPages[item.index1].pageIndex, rightPreparedPages[item.index2].pageIndex);
}
PDFDiffResult::PageSequenceItem pageSequenceItem;
if (item.isLeftValid())
{
const PDFInteger leftIndex = leftPreparedPages[item.index1].pageIndex;
pageSequenceItem.leftPage = leftIndex;
}
if (item.isRightValid())
{
const PDFInteger rightIndex = rightPreparedPages[item.index2].pageIndex;
pageSequenceItem.rightPage = rightIndex;
}
resultPageSequence.emplace_back(pageSequenceItem);
}
result.setPageSequence(std::move(resultPageSequence));
std::vector<PDFDiffHelper::TextFlowDifferences> textFlowDifferences;
@ -1242,6 +1258,16 @@ void PDFDiffResult::addRectRight(Difference& difference, QRectF rect)
m_rects.emplace_back(difference.pageIndex2, rect);
}
const PDFDiffResult::PageSequence& PDFDiffResult::getPageSequence() const
{
return m_pageSequence;
}
void PDFDiffResult::setPageSequence(PageSequence pageSequence)
{
m_pageSequence = pageSequence;
}
PDFDiffHelper::Differences PDFDiffHelper::calculateDifferences(const GraphicPieceInfos& left,
const GraphicPieceInfos& right,
PDFReal epsilon)

12
Pdf4QtLib/sources/pdfdiff.h
View File

@ -59,6 +59,14 @@ public:
TextRemoved = 0x2000,
};
struct PageSequenceItem
{
PDFInteger leftPage = -1;
PDFInteger rightPage = -1;
};
using PageSequence = std::vector<PageSequenceItem>;
using RectInfos = std::vector<std::pair<PDFInteger, QRectF>>;
void setResult(PDFOperationResult result) { m_result = std::move(result); }
@ -110,6 +118,9 @@ public:
bool filterImageDifferences,
bool filterShadingDifferences);
const PageSequence& getPageSequence() const;
void setPageSequence(PageSequence pageSequence);
private:
friend class PDFDiff;
@ -180,6 +191,7 @@ private:
PDFOperationResult m_result;
QStringList m_strings;
uint32_t m_typeFlags = 0;
PageSequence m_pageSequence;
};
/// Class for result navigation, can go to next, or previous result.