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#include "ImageLoaderModel.hpp"
#include <QtCore/QDir>
#include <QtCore/QEvent>
#include <QtWidgets/QFileDialog>
ImageLoaderModel::ImageLoaderModel() : _label(new QLabel("Double click to load image"))
{
_label->setAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
QFont f = _label->font();
f.setBold(true);
f.setItalic(true);
_label->setFont(f);
_label->setFixedSize(200, 200);
_label->installEventFilter(this);
}
unsigned int ImageLoaderModel::nPorts(PortType portType) const
{
unsigned int result = 1;
switch (portType)
{
case PortType::In: result = 0; break;
case PortType::Out: result = 1;
default: break;
}
return result;
}
bool ImageLoaderModel::eventFilter(QObject *object, QEvent *event)
{
if (object == _label)
{
int w = _label->width();
int h = _label->height();
if (event->type() == QEvent::MouseButtonPress)
{
QString fileName = QFileDialog::getOpenFileName(nullptr, tr("Open Image"), QDir::homePath(), tr("Image Files (*.png *.jpg *.bmp)"));
_pixmap = QPixmap(fileName);
_label->setPixmap(_pixmap.scaled(w, h, Qt::KeepAspectRatio));
Q_EMIT dataUpdated(0);
return true;
}
else if (event->type() == QEvent::Resize)
{
if (!_pixmap.isNull())
_label->setPixmap(_pixmap.scaled(w, h, Qt::KeepAspectRatio));
}
}
return false;
}
std::shared_ptr<NodeDataType> ImageLoaderModel::dataType(PortType, PortIndex) const
{
return PixmapData().type();
}
std::shared_ptr<NodeData> ImageLoaderModel::outData(PortIndex)
{
return std::make_shared<PixmapData>(_pixmap);
}
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