File indexing completed on 2024-05-26 04:33:34

 /*
  *  SPDX-FileCopyrightText: 2006 Cyrille Berger <cberger@cberger.net>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kis_pdf_import_widget.h"
 
 #define UNSTABLE_POPPLER_QT4
 // poppler's headers
 #include <poppler-qt5.h>
 
 // Qt's headers
 #include <QRadioButton>
 
 // KDE's headers
 #include <kis_debug.h>
 
 // For ceil()
 #include <math.h>
 
 // For KoAspectButton
 #include <klocalizedstring.h>
 
 
 
 KisPDFImportWidget::KisPDFImportWidget(Poppler::Document* pdfDoc, QWidget * parent)
         : QWidget(parent)
         , m_pdfDoc(pdfDoc)
         , m_keepAspect(true)
 {
     setupUi(this);
     m_pages.push_back(0); // The first page is selected
     updateMaxCanvasSize();
 
     for (int i = 1; i <= m_pdfDoc->numPages(); i++) {
         listPages->addItem(QString::number(i));
     }
 
     connect(intWidth, SIGNAL(valueChanged(int)), this, SLOT(updateHRes()));
     connect(intHeight, SIGNAL(valueChanged(int)), this, SLOT(updateHVer()));
     connect(intResolution, SIGNAL(valueChanged(int)), this, SLOT(updateResolution()));
     connect(intHeight, SIGNAL(valueChanged(int)), this, SLOT(heightAspectRatio()));
     connect(intWidth, SIGNAL(valueChanged(int)), this, SLOT(widthAspectRatio()));
     connect(boolAllPages, SIGNAL(toggled(bool)), this, SLOT(selectAllPages(bool)));
     connect(boolFirstPage, SIGNAL(toggled(bool)), this, SLOT(selectFirstPage(bool)));
     connect(boolSelectionPage, SIGNAL(toggled(bool)), this, SLOT(selectSelectionOfPages(bool)));
     connect(listPages, SIGNAL(itemSelectionChanged()), this, SLOT(updateSelectionOfPages()));
     connect(pixelAspectRatioBtn, SIGNAL(keepAspectRatioChanged(bool)), this, SLOT(slotAspectChanged(bool)));
 
 }
 
 
 KisPDFImportWidget::~KisPDFImportWidget()
 {
 }
 
 void KisPDFImportWidget::selectAllPages(bool v)
 {
     if (v) {
         if (listPages->selectedItems().count() != 0){
             listPages->clearSelection();
             boolAllPages->toggle();
         }
         m_pages.clear();
         for (int i = 0; i < m_pdfDoc->numPages(); i++) {
             m_pages.push_back(i);
         }
         updateMaxCanvasSize();
     }
 }
 void KisPDFImportWidget::selectFirstPage(bool v)
 {
     if (v) {
         if (listPages->selectedItems().count() != 0){
             listPages->clearSelection();
             boolFirstPage->toggle();
         }
         m_pages.clear();
         m_pages.push_back(0); // The first page is selected
         updateMaxCanvasSize();
     }
 }
 void KisPDFImportWidget::selectSelectionOfPages(bool v)
 {
     if (v) {
         updateSelectionOfPages();
         updateMaxCanvasSize();
     }
 
 }
 
 void KisPDFImportWidget::updateSelectionOfPages()
 {
     if (! boolSelectionPage->isChecked()) boolSelectionPage->toggle();
     m_pages.clear();
     for (int i = 0; i < m_pdfDoc->numPages(); i++) {
         if (listPages->item(i)->isSelected()) m_pages.push_back(i);
     }
     updateMaxCanvasSize();
 }
 
 
 void KisPDFImportWidget::updateMaxCanvasSize()
 {
     m_maxWidthInch = 0., m_maxHeightInch = 0.;
     for (QList<int>::const_iterator it = m_pages.constBegin(); it != m_pages.constEnd(); ++it) {
         Poppler::Page *p = m_pdfDoc->page(*it);
         QSizeF size = p->pageSizeF();
         if (size.width() > m_maxWidthInch) {
             m_maxWidthInch = size.width();
         }
         if (size.height() > m_maxHeightInch) {
             m_maxHeightInch = size.height();
         }
     }
     m_maxWidthInch /= 72.;
     m_maxHeightInch /= 72.;
     dbgFile << m_maxWidthInch << "" << m_maxHeightInch;
     updateResolution();
 }
 
 void KisPDFImportWidget::updateResolution()
 {
     int resolution = intResolution->value();
     intWidth->blockSignals(true);
     intWidth->setValue((int) ceil(m_maxWidthInch * resolution));
     intWidth->blockSignals(false);
     intHeight->blockSignals(true);
     intHeight->setValue((int) ceil(m_maxHeightInch * resolution));
     intHeight->blockSignals(false);
 }
 
 void KisPDFImportWidget::updateHRes()
 {
     intResolution->blockSignals(true);
     intResolution->setValue((int)(intWidth->value() / m_maxWidthInch));
     intResolution->blockSignals(false);
 }
 void KisPDFImportWidget::updateHVer()
 {
     intResolution->blockSignals(true);
     intResolution->setValue((int)(intHeight->value() / m_maxHeightInch));
     intResolution->blockSignals(false);
 }
 void KisPDFImportWidget::heightAspectRatio()
 {
     intWidth->blockSignals(true);
     if(m_keepAspect)
     {
         intWidth->setValue((int) ceil(((intHeight->value() * m_maxWidthInch * 1.) / m_maxHeightInch * 1.) + 0.5));
     }
     intWidth->blockSignals(false);
 }
 void KisPDFImportWidget::widthAspectRatio()
 {
     intHeight->blockSignals(true);
     if(m_keepAspect)
     {
         intHeight->setValue((int) ceil(((intWidth->value() * m_maxHeightInch * 1.) / m_maxWidthInch * 1.) + 0.5));
     }
     intHeight->blockSignals(false);
 }
 void KisPDFImportWidget::slotAspectChanged(bool keep)
 {
     pixelAspectRatioBtn->blockSignals(true);
     pixelAspectRatioBtn->setKeepAspectRatio(keep);
     pixelAspectRatioBtn->blockSignals(false);
 
     m_keepAspect = keep;
 
     if (keep)
     {
         heightAspectRatio();
     }
 }