#include "view.h"
+#include <algorithm>
+
+using namespace std;
+
namespace pv {
namespace view {
return _second;
}
+void CursorPair::draw_viewport_background(QPainter &p,
+ const QRect &rect)
+{
+ p.setPen(Qt::NoPen);
+ p.setBrush(QBrush(View::CursorAreaColour));
+
+ const float x1 = (_first.time() - _view.offset()) / _view.scale();
+ const float x2 = (_second.time() - _view.offset()) / _view.scale();
+ const int l = (int)max(min(x1, x2), 0.0f);
+ const int r = (int)min(max(x1, x2), (float)rect.width());
+
+ p.drawRect(l, 0, r - l, rect.height());
+}
+
+void CursorPair::draw_viewport_foreground(QPainter &p,
+ const QRect &rect)
+{
+ _first.paint(p, rect);
+ _second.paint(p, rect);
+}
+
} // namespace view
} // namespace pv
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
- draw_cursors_background(p);
+ if (_view.cursors_shown())
+ _view.cursors().draw_viewport_background(p, rect());
// Plot the signal
const int v_offset = _view.v_offset();
_view.scale(), _view.offset());
}
- draw_cursors_foreground(p);
+ if (_view.cursors_shown())
+ _view.cursors().draw_viewport_foreground(p, rect());
p.end();
}
}
}
-void Viewport::draw_cursors_background(QPainter &p)
-{
- if (!_view.cursors_shown())
- return;
-
- p.setPen(Qt::NoPen);
- p.setBrush(QBrush(View::CursorAreaColour));
-
- const CursorPair &c = _view.cursors();
- const float x1 = (c.first().time() - _view.offset()) / _view.scale();
- const float x2 = (c.second().time() - _view.offset()) / _view.scale();
- const int l = (int)max(min(x1, x2), 0.0f);
- const int r = (int)min(max(x1, x2), (float)width());
-
- p.drawRect(l, 0, r - l, height());
-}
-
-void Viewport::draw_cursors_foreground(QPainter &p)
-{
- if (!_view.cursors_shown())
- return;
-
- const QRect r = rect();
- CursorPair &cursors = _view.cursors();
- cursors.first().paint(p, r);
- cursors.second().paint(p, r);
-}
-
void Viewport::on_signals_moved()
{
update();