Copy Annotation onto Multiple Pages

2025-06-05 21:59:17 +02:00 · 2020-12-30 17:06:13 +01:00
parent 6f0b72ba3b
commit 19dd761f35
10 changed files with 124 additions and 47 deletions
--- a/Pdf4QtLib/Pdf4QtLib.pro
+++ b/Pdf4QtLib/Pdf4QtLib.pro
@@ -76,6 +76,7 @@ SOURCES += \
    sources/pdfprogress.cpp \
    sources/pdfredact.cpp \
    sources/pdfsecurityhandler.cpp \
+    sources/pdfselectpagesdialog.cpp \
    sources/pdfsignaturehandler.cpp \
    sources/pdfsnapper.cpp \
    sources/pdfstructuretree.cpp \
@@ -143,6 +144,7 @@ HEADERS += \
    sources/pdfprogress.h \
    sources/pdfredact.h \
    sources/pdfsecurityhandler.h \
+    sources/pdfselectpagesdialog.h \
    sources/pdfsignaturehandler.h \
    sources/pdfsignaturehandler_impl.h \
    sources/pdfsnapper.h \
@@ -174,7 +176,8 @@ HEADERS += \
    sources/pdfimage.h

 FORMS += \
-    sources/pdfrenderingerrorswidget.ui
+    sources/pdfrenderingerrorswidget.ui \
+    sources/pdfselectpagesdialog.ui

 RESOURCES += cmaps.qrc

--- a/Pdf4QtLib/sources/pdfannotation.cpp
+++ b/Pdf4QtLib/sources/pdfannotation.cpp
@@ -29,6 +29,7 @@
 #include "pdfpainterutils.h"
 #include "pdfdocumentbuilder.h"
 #include "pdfobjecteditorwidget.h"
+#include "pdfselectpagesdialog.h"

 #include <QMenu>
 #include <QDialog>
@@ -2010,7 +2011,42 @@ void PDFWidgetAnnotationManager::onShowPopupAnnotation()

 void PDFWidgetAnnotationManager::onCopyAnnotation()
 {
+    pdf::PDFSelectPagesDialog dialog(tr("Copy Annotation"), tr("Copy Annotation onto Multiple Pages"),
+                                     m_document->getCatalog()->getPageCount(), m_proxy->getWidget()->getDrawWidget()->getCurrentPages(), m_proxy->getWidget());
+    if (dialog.exec() == QDialog::Accepted)
+    {
+        std::vector<PDFInteger> pages = dialog.getSelectedPages();
+        const PDFInteger currentPageIndex = m_document->getCatalog()->getPageIndexFromPageReference(m_editableAnnotationPage);

+        for (PDFInteger& pageIndex : pages)
+        {
+            --pageIndex;
+        }
+
+        auto it = std::find(pages.begin(), pages.end(), currentPageIndex);
+        if (it != pages.end())
+        {
+            pages.erase(it);
+        }
+
+        if (pages.empty())
+        {
+            return;
+        }
+
+        PDFDocumentModifier modifier(m_document);
+        modifier.markAnnotationsChanged();
+
+        for (const PDFInteger pageIndex : pages)
+        {
+            modifier.getBuilder()->copyAnnotation(m_document->getCatalog()->getPage(pageIndex)->getPageReference(), m_editableAnnotation);
+        }
+
+        if (modifier.finalize())
+        {
+            emit documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
+        }
+    }
 }

 void PDFWidgetAnnotationManager::onEditAnnotation()
--- a/Pdf4QtLib/sources/pdfdocumentbuilder.cpp
+++ b/Pdf4QtLib/sources/pdfdocumentbuilder.cpp
@@ -1111,6 +1111,36 @@ PDFObjectReference PDFDocumentBuilder::getDocumentInfo() const
    return PDFObjectReference();
 }

+void PDFDocumentBuilder::copyAnnotation(PDFObjectReference pageReference, PDFObjectReference annotationReference)
+{
+    PDFObjectReference copiedAnnotation = addObject(getObjectByReference(annotationReference));
+
+    PDFObjectFactory factory;
+    factory.beginDictionary();
+    factory.beginDictionaryItem("P");
+    factory << pageReference;
+    factory.endDictionaryItem();
+    factory.beginDictionaryItem("Popup");
+    factory << PDFObject();
+    factory.endDictionaryItem();
+    factory.beginDictionaryItem("IRT");
+    factory << PDFObject();
+    factory.endDictionaryItem();
+    factory.endDictionary();
+
+    mergeTo(copiedAnnotation, factory.takeObject());
+
+    factory.beginDictionary();
+    factory.beginDictionaryItem("Annots");
+    factory.beginArray();
+    factory << copiedAnnotation;
+    factory.endArray();
+    factory.endDictionaryItem();
+    factory.endDictionary();
+    PDFObject pageAnnots = factory.takeObject();
+    appendTo(pageReference, pageAnnots);
+}
+
 PDFObjectReference PDFDocumentBuilder::getCatalogReference() const
 {
    if (const PDFDictionary* trailerDictionary = getDictionaryFromObject(m_storage.getTrailerDictionary()))
--- a/Pdf4QtLib/sources/pdfdocumentbuilder.h
+++ b/Pdf4QtLib/sources/pdfdocumentbuilder.h
@@ -416,6 +416,11 @@ public:
    /// Returns document info reference
    PDFObjectReference getDocumentInfo() const;

+    /// Copies existing annotation to another page
+    /// \param pageReference Page reference (onto which is annotation copied)
+    /// \param annotationReference Annotation reference
+    void copyAnnotation(PDFObjectReference pageReference, PDFObjectReference annotationReference);
+
 /* START GENERATED CODE */

    /// Appends a new page after last page.
--- a/Pdf4QtLib/sources/pdfredact.cpp
+++ b/Pdf4QtLib/sources/pdfredact.cpp
@@ -78,9 +78,7 @@ PDFDocument PDFRedact::perform(Options options)
        }
        builder.setPageRotation(newPageReference, page->getPageRotation());

-        // TODO: Popisek redakce anotace, Overlay text
        // TODO: Redact searched text
-        // TODO: Duplikace redakce na vice stranek

        PDFPageContentStreamBuilder contentStreamBuilder(&builder);

@@ -131,7 +129,12 @@ PDFDocument PDFRedact::perform(Options options)

    if (options.testFlag(CopyOutline))
    {
-        builder.setOutline(m_document->getCatalog()->getOutlineRootPtr().data());
+        const PDFOutlineItem* outlineItem = m_document->getCatalog()->getOutlineRootPtr().data();
+
+        if (outlineItem)
+        {
+            builder.setOutline(outlineItem);
+        }
    }

    PDFDocument redactedDocument = builder.build();
@@ -141,5 +144,4 @@ PDFDocument PDFRedact::perform(Options options)
    return optimizer.takeOptimizedDocument();
 }

-
 }   // namespace pdf
--- a/Pdf4QtLib/sources/pdfselectpagesdialog.cpp
+++ b/Pdf4QtLib/sources/pdfselectpagesdialog.cpp
@@ -0,0 +1,135 @@
+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of Pdf4Qt.
+//
+//    Pdf4Qt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    Pdf4Qt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with Pdf4Qt.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "pdfselectpagesdialog.h"
+#include "ui_pdfselectpagesdialog.h"
+
+#include "pdfwidgetutils.h"
+
+#include <QMessageBox>
+
+namespace pdf
+{
+
+PDFSelectPagesDialog::PDFSelectPagesDialog(QString windowTitle,
+                                           QString groupBoxTitle,
+                                           pdf::PDFInteger pageCount,
+                                           const std::vector<pdf::PDFInteger>& visiblePages,
+                                           QWidget* parent) :
+    QDialog(parent),
+    ui(new Ui::PDFSelectPagesDialog),
+    m_pageCount(pageCount),
+    m_visiblePages(visiblePages)
+{
+    ui->setupUi(this);
+
+    setWindowTitle(windowTitle);
+    ui->selectPagesGroupBox->setTitle(groupBoxTitle);
+
+    for (pdf::PDFInteger& pageIndex : m_visiblePages)
+    {
+        ++pageIndex;
+    }
+
+    m_evenPages.reserve(pageCount / 2);
+    m_oddPages.reserve(pageCount / 2 + 1);
+
+    for (pdf::PDFInteger i = 1; i <= pageCount; ++i)
+    {
+        if (i % 2 == 1)
+        {
+            m_oddPages.push_back(i);
+        }
+        else
+        {
+            m_evenPages.push_back(i);
+        }
+    }
+
+    connect(ui->customPageRangeRadioButton, &QRadioButton::toggled, this, &PDFSelectPagesDialog::updateUi);
+
+    setMinimumWidth(pdf::PDFWidgetUtils::scaleDPI_x(this, 400));
+    updateUi();
+}
+
+PDFSelectPagesDialog::~PDFSelectPagesDialog()
+{
+    delete ui;
+}
+
+std::vector<pdf::PDFInteger> PDFSelectPagesDialog::getSelectedPages() const
+{
+    std::vector<pdf::PDFInteger> result;
+
+    if (ui->visiblePagesRadioButton->isChecked())
+    {
+        result = m_visiblePages;
+    }
+    else if (ui->allPagesRadioButton->isChecked())
+    {
+        result.resize(m_pageCount, 0);
+        std::iota(result.begin(), result.end(), 1);
+    }
+    else if (ui->evenPagesRadioButton->isChecked())
+    {
+        result = m_evenPages;
+    }
+    else if (ui->oddPagesRadioButton->isChecked())
+    {
+        result = m_oddPages;
+    }
+    else if (ui->customPageRangeRadioButton->isChecked())
+    {
+        QString errorMessage;
+        result = pdf::PDFClosedIntervalSet::parse(1, m_pageCount, ui->customPageRangeEdit->text(), &errorMessage).unfold();
+    }
+    else
+    {
+        Q_ASSERT(false);
+    }
+
+    return result;
+}
+
+void PDFSelectPagesDialog::updateUi()
+{
+    ui->customPageRangeEdit->setEnabled(ui->customPageRangeRadioButton->isChecked());
+}
+
+void PDFSelectPagesDialog::accept()
+{
+    if (ui->customPageRangeRadioButton->isChecked())
+    {
+        QString errorMessage;
+        pdf::PDFClosedIntervalSet::parse(1, m_pageCount, ui->customPageRangeEdit->text(), &errorMessage);
+        if (!errorMessage.isEmpty())
+        {
+            QMessageBox::critical(this, tr("Error"), errorMessage);
+            return;
+        }
+    }
+
+    if (getSelectedPages().empty())
+    {
+        QMessageBox::critical(this, tr("Error"), tr("Selected page range is empty."));
+        return;
+    }
+
+    QDialog::accept();
+}
+
+} // namespace pdf
--- a/Pdf4QtLib/sources/pdfselectpagesdialog.h
+++ b/Pdf4QtLib/sources/pdfselectpagesdialog.h
@@ -0,0 +1,62 @@
+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of Pdf4Qt.
+//
+//    Pdf4Qt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    Pdf4Qt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with Pdf4Qt.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFSELECTPAGESDIALOG_H
+#define PDFSELECTPAGESDIALOG_H
+
+#include "pdfutils.h"
+
+#include <QDialog>
+
+namespace Ui
+{
+class PDFSelectPagesDialog;
+}
+
+namespace pdf
+{
+
+class Pdf4QtLIBSHARED_EXPORT PDFSelectPagesDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit PDFSelectPagesDialog(QString windowTitle,
+                                  QString groupBoxTitle,
+                                  pdf::PDFInteger pageCount,
+                                  const std::vector<pdf::PDFInteger>& visiblePages,
+                                  QWidget* parent);
+
+    virtual ~PDFSelectPagesDialog() override;
+
+    virtual void accept() override;
+
+    std::vector<pdf::PDFInteger> getSelectedPages() const;
+
+private:
+    void updateUi();
+
+    Ui::PDFSelectPagesDialog* ui;
+    pdf::PDFInteger m_pageCount;
+    std::vector<pdf::PDFInteger> m_visiblePages;
+    std::vector<pdf::PDFInteger> m_evenPages;
+    std::vector<pdf::PDFInteger> m_oddPages;
+};
+
+}   // namespace pdf
+
+#endif // PDFSELECTPAGESDIALOG_H
--- a/Pdf4QtLib/sources/pdfselectpagesdialog.ui
+++ b/Pdf4QtLib/sources/pdfselectpagesdialog.ui
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PDFSelectPagesDialog</class>
+ <widget class="QDialog" name="PDFSelectPagesDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>218</height>
+   </rect>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="selectPagesGroupBox">
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="1" column="0" colspan="2">
+       <widget class="QRadioButton" name="allPagesRadioButton">
+        <property name="text">
+         <string>All pages</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="1">
+       <widget class="QLineEdit" name="customPageRangeEdit"/>
+      </item>
+      <item row="2" column="0" colspan="2">
+       <widget class="QRadioButton" name="evenPagesRadioButton">
+        <property name="text">
+         <string>Even pages</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0" colspan="2">
+       <widget class="QRadioButton" name="oddPagesRadioButton">
+        <property name="text">
+         <string>Odd pages</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QRadioButton" name="customPageRangeRadioButton">
+        <property name="text">
+         <string>Custom page range:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0" colspan="2">
+       <widget class="QRadioButton" name="visiblePagesRadioButton">
+        <property name="text">
+         <string>Visible pages</string>
+        </property>
+        <property name="checked">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="5" column="0">
+       <spacer name="verticalSpacer">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>20</width>
+          <height>40</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>PDFSelectPagesDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>PDFSelectPagesDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>