/*!
Constructs a rectangle with topLeft as the top-left corner and
size as the rectangle size.
*/
QwtDoubleRect::QwtDoubleRect(
const QwtDoublePoint &p, const QwtDoubleSize &size):
d_left(p.x()),
d_right(p.x() + size.width()),
d_top(p.y()),
d_bottom(p.y() + size.height())
{
}
/*!
Rejects selections, when the stack depth is too deep, or
the zoomed rectangle is minZoomSize().
\sa minZoomSize(), maxStackDepth()
*/
void QwtPlotZoomer::begin()
{
if ( d_data->maxStackDepth >= 0 )
{
if ( d_data->zoomRectIndex >= uint(d_data->maxStackDepth) )
return;
}
const QwtDoubleSize minSize = minZoomSize();
if ( minSize.isValid() )
{
const QwtDoubleSize sz =
d_data->zoomStack[d_data->zoomRectIndex].size() * 0.9999;
if ( minSize.width() >= sz.width() &&
minSize.height() >= sz.height() )
{
return;
}
}
QwtPlotPicker::begin();
}
/*!
Sets the size of the rectangle to size.
Changes x2 and y2 only.
*/
void QwtDoubleRect::setSize(const QwtDoubleSize &size)
{
setWidth(size.width());
setHeight(size.height());
}
