Method IPImageViewer

ImagePlay/src/IPImageViewer.cpp:22–73

#include "IPImageViewer.h"

IPImageViewer::IPImageViewer(ImageViewerWindow* imageViewer, QWidget *parent) :
    QFrame(parent)
{
    setLayout(new QHBoxLayout(this));

    _imageViewerWindow = imageViewer;

    //delete on close
    setAttribute(Qt::WA_DeleteOnClose);

    //layout()->setContentsMargins(0,0,0,0);

    _processStep = NULL;
    _image = NULL;
    _rawData = NULL;
    _rawImage = NULL;
    _tabIndex = -1;
    _resultIndex = 0;

    _zoomFitMode = false;

    _scale = 1.0;
    _offsetX = 0;
    _offsetY = 0;

    // add scene
    _pixmapItem = new IPPixmapItem(this);
    _graphicsScene = new QGraphicsScene(this);
    _graphicsScene->addItem(_pixmapItem);

    // add view
    _graphicsView = new IPImageViewerGraphicsView(this);
    _graphicsView->setScene(_graphicsScene);
    _graphicsView->setDragMode(QGraphicsView::ScrollHandDrag);
    _graphicsView->setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
    _graphicsView->setAlignment(Qt::AlignCenter);

    // prevent scrollbars from catching mouse wheel events
    horizontalScrollBar()->installEventFilter(this);
    verticalScrollBar()->installEventFilter(this);


    layout()->addWidget(_graphicsView);

    setMouseTracking(true);
    _graphicsView->setMouseTracking(true);
    //_graphicsView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
    //_graphicsView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);

    connect(_graphicsView->horizontalScrollBar(), &QAbstractSlider::sliderMoved, _imageViewerWindow, &ImageViewerWindow::on_horizontalScrollBarChanged);
    connect(_graphicsView->verticalScrollBar(), &QAbstractSlider::sliderMoved, _imageViewerWindow, &ImageViewerWindow::on_verticalScrollBarChanged);
}

IPImageViewer::~IPImageViewer()
{