/*!
Calculate the width/height that is needed for a
vertical/horizontal scale.
The extent is calculated from the pen width of the backbone,
the major tick length, the spacing and the maximum width/height
of the labels.
\param pen Pen that is used for painting backbone and ticks
\param font Font used for painting the labels
\sa minLength()
*/
int QwtScaleDraw::extent(const QPen &pen, const QFont &font) const
{
int d = 0;
if ( hasComponent(QwtAbstractScaleDraw::Labels) )
{
if ( orientation() == Qt::Vertical )
d = maxLabelWidth(font);
else
d = maxLabelHeight(font);
if ( d > 0 )
d += spacing();
}
if ( hasComponent(QwtAbstractScaleDraw::Ticks) )
{
d += majTickLength();
}
if ( hasComponent(QwtAbstractScaleDraw::Backbone) )
{
const int pw = qwtMax( 1, pen.width() ); // penwidth can be zero
d += pw;
}
d = qwtMax(d, minimumExtent());
return d;
}
// The rect of a scale without the title
QRect ScalePicker::scaleRect(const QwtScale *scale) const
{
const int bld = scale->baseLineDist();
const int mjt = scale->scaleDraw()->majTickLength();
const int sbd = scale->startBorderDist();
const int ebd = scale->endBorderDist();
int mlw, mlh;
QRect rect;
switch(scale->position())
{
case QwtScale::Left:
{
mlw=maxLabelWidth(scale);
rect.setRect(scale->width() - bld - mjt-mlw, sbd,
mjt+mlw, scale->height() - sbd - ebd);
break;
}
case QwtScale::Right:
{
mlw=maxLabelWidth(scale);
rect.setRect(bld, sbd,
mjt+mlw, scale->height() - sbd - ebd);
break;
}
case QwtScale::Bottom:
{
mlh=maxLabelHeight(scale);
rect.setRect(sbd, bld,
scale->width() - sbd - ebd, mjt+mlh);
break;
}
case QwtScale::Top:
{
mlh=maxLabelHeight(scale);
rect.setRect(sbd, scale->height() - bld - mjt-mlh,
scale->width() - sbd - ebd, mjt+mlh);
break;
}
}
return rect;
}
void PlacemarkLayout::styleReset()
{
m_paintOrder.clear();
m_labelArea = 0;
qDeleteAll( m_visiblePlacemarks );
m_visiblePlacemarks.clear();
m_maxLabelHeight = maxLabelHeight();
m_styleResetRequested = false;
}
