///
/// floating message
///
void FigurePainter::floatingMessage(PaintingContext& pc, const QString& message)
{
//create background pen
QPen bpen(QColor(pc.backColor.red(),
pc.backColor.green(),
pc.backColor.blue(),
pc.transparency),
pc.lineWidth,
pc.penStyle,
pc.capStyle);
QBrush brush(QColor(pc.backColor.red(),
pc.backColor.green(),
pc.backColor.blue(),
pc.transparency));
//set canvas
assert(pc.canvas);
QPainter painter(pc.canvas);
painter.setPen(bpen);
painter.setBrush(brush);
//paint rectangle
painter.drawRect(pc.region);
//create text pen
QPen tpen(QColor(pc.textColor.red(),
pc.textColor.green(),
pc.textColor.blue(),
255/*pc.transparency*/),
pc.lineWidth,
pc.penStyle,
pc.capStyle);
//set canvas
painter.setPen(tpen);
//paint text
painter.drawText(pc.region, Qt::AlignCenter, message);
//end
painter.end();
}
void QGVEdge::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
{
painter->save();
QFont font = painter->font();
font.setPointSize(16);
painter->setFont(font);
if(isSelected())
{
QPen tpen(_pen);
tpen.setColor(_pen.color().darker(120));
tpen.setStyle(Qt::DotLine);
painter->setPen(tpen);
}
else
painter->setPen(_pen);
painter->drawPath(_path);
/*
QRectF pp = _path.controlPointRect();
if(pp.width() < pp.height())
{
painter->save();
painter->translate(_label_rect.topLeft());
painter->rotate(90);
painter->drawText(QRectF(QPointF(0, -_label_rect.width()), _label_rect.size()), Qt::AlignCenter, _label);
painter->restore();
}
else
*/
painter->drawText(_label_rect, Qt::AlignCenter, _label);
painter->setBrush(QBrush(_pen.color(), Qt::SolidPattern));
painter->drawPolygon(_head_arrow);
painter->drawPolygon(_tail_arrow);
painter->restore();
}
