void CachedImage::_saveFile(QByteArray* data) const
{
auto path = _path();
qDebug() << "Saving image from" << _url << "to" << path;
if (_man->maxWidth() && _format != UnknownFormat && _format != GifFormat)
{
auto pic = QImage::fromData(*data);
if (pic.width() > _man->maxWidth())
{
pic = pic.scaledToWidth(_man->maxWidth(), Qt::SmoothTransformation);
QBuffer buffer(data);
buffer.open(QIODevice::WriteOnly | QIODevice::Truncate);
pic.save(&buffer, _extension.toLatin1().data());
}
}
QFile file(path);
if (file.open(QIODevice::WriteOnly))
{
file.write(*data);
file.close();
}
else
qDebug() << "Cannot open file for writing:" << path;
delete data;
}
QPixmap CMV_PageListProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
{
CMV_ELTIMER_START(pixmap);
auto img = currentBook->getPageData(id);
auto imgScaled = img.scaledToWidth(CMV_DeviceInfo::instance().screenWidth() / 5, Qt::SmoothTransformation);
QPixmap pix(imgScaled.size());
QPainter painter(&pix);
painter.drawImage(QPoint{0,0},imgScaled);
CMV_ELTIMER_STOP(pixmap);
return pix;
}
// static
QCursor MapEditorTool::scaledToScreen(const QCursor& unscaled_cursor)
{
auto scale = Settings::getInstance().getSetting(Settings::General_PixelsPerInch).toReal() / 96.0;
if (unscaled_cursor.shape() == Qt::BitmapCursor
&& scale > 1.5)
{
// Need to scale our low res image for high DPI screen
const auto unscaled_pixmap = unscaled_cursor.pixmap();
const auto scaled_hotspot = QPointF{ unscaled_cursor.hotSpot() } * scale;
return QCursor{ unscaled_pixmap.scaledToWidth(unscaled_pixmap.width() * scale, Qt::SmoothTransformation),
qRound(scaled_hotspot.x()), qRound(scaled_hotspot.y()) };
}
else
{
return unscaled_cursor;
}
}
void SeparateTabBar::mouseMoveEvent (QMouseEvent *event)
{
if (isMovable ())
{
QTabBar::mouseMoveEvent (event);
return;
}
if (!(event->buttons () & Qt::LeftButton))
return;
if ((event->pos () - DragStartPos_).manhattanLength () < QApplication::startDragDistance ())
return;
const int dragIdx = tabAt (DragStartPos_);
auto widget = TabWidget_->Widget (dragIdx);
auto itw = qobject_cast<ITabWidget*> (widget);
if (!itw)
{
qWarning () << Q_FUNC_INFO
<< "widget at"
<< dragIdx
<< "doesn't implement ITabWidget";
return;
}
auto px = QPixmap::grabWidget (widget);
px = px.scaledToWidth (px.width () / 2, Qt::SmoothTransformation);
auto idt = qobject_cast<IDNDTab*> (widget);
auto data = new QMimeData ();
if (!idt || QApplication::keyboardModifiers () == Qt::ControlModifier)
{
data->setData ("x-leechcraft/tab-drag-action", "reordering");
data->setData ("x-leechcraft/tab-tabclass", itw->GetTabClassInfo ().TabClass_);
}
else if (idt)
idt->FillMimeData (data);
auto drag = new QDrag (this);
drag->setMimeData (data);
drag->setPixmap (px);
drag->exec ();
}
