File indexing completed on 2024-04-28 03:59:11

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2004 Antonio Larrosa <larrosa@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kpixmapregionselectordialog.h"
 
 #include <QDialogButtonBox>
 #include <QGuiApplication>
 #include <QImage>
 #include <QLabel>
 #include <QScreen>
 #include <QVBoxLayout>
 
 #include <kpixmapregionselectorwidget.h>
 
 class KPixmapRegionSelectorDialogPrivate
 {
 public:
     KPixmapRegionSelectorDialogPrivate(KPixmapRegionSelectorDialog *parent)
         : q(parent)
     {
     }
 
     KPixmapRegionSelectorWidget *pixmapSelectorWidget = nullptr;
     KPixmapRegionSelectorDialog *const q;
 
     void init()
     {
         //When the image is rotated we need to enforce the maximum width&height into the
         //KPixmapRegionSelectorWidget; in order to avoid the dialog to get out of the screen
         q->connect(pixmapSelectorWidget, &KPixmapRegionSelectorWidget::pixmapRotated, q, [this]() {
             adjustPixmapSize();
         });
     }
 
     void adjustPixmapSize()
     {
         if (pixmapSelectorWidget) {
             // Set maximum size for picture
             QScreen *screen = pixmapSelectorWidget->screen();
             if (screen) {
                 const QRect screenGeometry = screen->availableGeometry();
                 pixmapSelectorWidget->setMaximumWidgetSize((int)(screenGeometry.width() * 4.0 / 5), (int)(screenGeometry.height() * 4.0 / 5));
             }
         }
     }
 };
 
 KPixmapRegionSelectorDialog::KPixmapRegionSelectorDialog(QWidget *parent)
     : QDialog(parent)
     , d(new KPixmapRegionSelectorDialogPrivate(this))
 {
     setWindowTitle(tr("Select Region of Image", "@title:window"));
 
     QVBoxLayout *boxLayout = new QVBoxLayout(this);
 
     QLabel *label = new QLabel(tr("Please click and drag on the image to select the region of interest:", "@label:chooser"), this);
     d->pixmapSelectorWidget = new KPixmapRegionSelectorWidget(this);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
     buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
 
     boxLayout->addWidget(label);
     boxLayout->addWidget(d->pixmapSelectorWidget);
     boxLayout->addWidget(buttonBox);
 
     d->init();
 }
 
 KPixmapRegionSelectorDialog::~KPixmapRegionSelectorDialog() = default;
 
 KPixmapRegionSelectorWidget *KPixmapRegionSelectorDialog::pixmapRegionSelectorWidget() const
 {
     return d->pixmapSelectorWidget;
 }
 
 void KPixmapRegionSelectorDialog::adjustRegionSelectorWidgetSizeToFitScreen()
 {
     d->adjustPixmapSize();
 }
 
 QRect KPixmapRegionSelectorDialog::getSelectedRegion(const QPixmap &pixmap, QWidget *parent)
 {
     KPixmapRegionSelectorDialog dialog(parent);
 
     dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
     dialog.adjustRegionSelectorWidgetSizeToFitScreen();
 
     int result = dialog.exec();
 
     QRect rect;
 
     if (result == QDialog::Accepted) {
         rect = dialog.pixmapRegionSelectorWidget()->unzoomedSelectedRegion();
     }
 
     return rect;
 }
 
 QRect KPixmapRegionSelectorDialog::getSelectedRegion(const QPixmap &pixmap, int aspectRatioWidth, int aspectRatioHeight, QWidget *parent)
 {
     KPixmapRegionSelectorDialog dialog(parent);
 
     dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
     dialog.pixmapRegionSelectorWidget()->setSelectionAspectRatio(aspectRatioWidth, aspectRatioHeight);
     dialog.adjustRegionSelectorWidgetSizeToFitScreen();
 
     int result = dialog.exec();
 
     QRect rect;
 
     if (result == QDialog::Accepted) {
         rect = dialog.pixmapRegionSelectorWidget()->unzoomedSelectedRegion();
     }
 
     return rect;
 }
 
 QImage KPixmapRegionSelectorDialog::getSelectedImage(const QPixmap &pixmap, QWidget *parent)
 {
     KPixmapRegionSelectorDialog dialog(parent);
 
     dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
     dialog.adjustRegionSelectorWidgetSizeToFitScreen();
 
     int result = dialog.exec();
 
     QImage image;
 
     if (result == QDialog::Accepted) {
         image = dialog.pixmapRegionSelectorWidget()->selectedImage();
     }
 
     return image;
 }
 
 QImage KPixmapRegionSelectorDialog::getSelectedImage(const QPixmap &pixmap, int aspectRatioWidth, int aspectRatioHeight, QWidget *parent)
 {
     KPixmapRegionSelectorDialog dialog(parent);
 
     dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
     dialog.pixmapRegionSelectorWidget()->setSelectionAspectRatio(aspectRatioWidth, aspectRatioHeight);
     dialog.adjustRegionSelectorWidgetSizeToFitScreen();
 
     int result = dialog.exec();
 
     QImage image;
 
     if (result == QDialog::Accepted) {
         image = dialog.pixmapRegionSelectorWidget()->selectedImage();
     }
 
     return image;
 }
 
 #include "moc_kpixmapregionselectordialog.cpp"