File indexing completed on 2024-04-28 09:49:42

 /**
  * SPDX-FileCopyrightText: 2021 by Alexander Stippich <a.stippich@gmx.net>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 #include "InProgressPainter.h"
 
 #include <QPainter>
 
 #include "skanpage_debug.h"
 
 InProgressPainter::InProgressPainter(QQuickItem *parent) : QQuickPaintedItem(parent)
 {
 }
 
 InProgressPainter::~InProgressPainter()
 {
     if (m_scanInterface != nullptr) {
         m_scanInterface->unlockScanImage();
     }
 }
 
 void InProgressPainter::initialize(Skanpage *skanpageApp)
 {
     m_scanInterface = skanpageApp->ksaneInterface();
     connect(skanpageApp, &Skanpage::progressChanged, this, &InProgressPainter::updateImage);
 }
 
 void InProgressPainter::paint(QPainter *painter)
 {
     if (m_scanInterface != nullptr && m_progress >= 0) {
         m_scanInterface->lockScanImage();
 
         const int imageHeight = m_scanInterface->scanImage()->height();
         const int imageWidth = m_scanInterface->scanImage()->width();
         const int itemHeight = height();
         const int itemWidth = width();
 
         double scaleHeight = static_cast<double>(itemHeight)/imageHeight;
         double scaleWidth = static_cast<double>(itemWidth)/imageWidth;
         double scale = qMin(scaleHeight, qMin(scaleWidth, 1.0));
         painter->drawImage(QRectF((itemWidth - scale * imageWidth)/2, (itemHeight - scale * imageHeight)/2, scale * imageWidth, scale * imageHeight), *m_scanInterface->scanImage());
 
         m_scanInterface->unlockScanImage();
     } else {
         painter->fillRect(QRect(0, 0, width(), height()), QColorConstants::Transparent);
     }
 }
 
 void InProgressPainter::updateImage(int progress)
 {
     m_progress = progress;
     update();
 }
 
 #include "moc_InProgressPainter.cpp"