tempo-plotter Changeset - c9922f40a20e · protofusion repositories

Changeset - c9922f40a20e

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value-tracker

0 1 0

Hasan Yavuz ÖZDERYA - 7 years ago 2018-09-27 16:58:01
hy@ozderya.net

draw dots on tracked points

1 file changed with 15 insertions and 7 deletions:

src/zoomer.cpp

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src/zoomer.cpp

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@@ @@ -10,26 +10,25 @@ @@
   serialplot is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   You should have received a copy of the GNU General Public License
   along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "zoomer.h"
 #include <qwt_plot.h>
 #include <QtDebug>
 #include <QPen>
 #include <QMouseEvent>
 Zoomer::Zoomer(QWidget* widget, const Stream* stream, bool doReplot) :
     ScrollZoomer(widget)
+{
     is_panning = false;
     _stream = stream;
     setTrackerMode(AlwaysOn);
     // set corner widget between the scrollbars with default background color
     auto cornerWidget = new QWidget();
@@ @@ -110,38 +109,47 @@ void Zoomer::drawTracker(QPainter* paint @@
+    {
         drawValues(painter);
+    }
     return;
+}
 void Zoomer::drawValues(QPainter* painter) const
+{
     painter->save();
     double x = invTransform(trackerPosition()).x();
     auto values = findValues(x);
     qDebug() <<  x << ":" << values; // TODO: cleanup
     // draw vertical line
     painter->setPen(Qt::white);
     auto linePen = QPen(Qt::DotLine);
     linePen.setColor(Qt::white);
     painter->setPen(linePen);
     const QRect pRect = pickArea().boundingRect().toRect();
     int px = trackerPosition().x();
     painter->drawLine(px, pRect.top(), px, pRect.bottom());
     for (auto val : values)
     // draw sample values
     for (int ci = 0; ci < values.size(); ci++)
+    {
         double val = values[ci];
         if (!std::isnan(val))
+        {
             painter->drawText(transform(QPointF(x, val)),
                               QString("%1").arg(val));
             auto p = transform(QPointF(x, val));
             painter->setBrush(_stream->channel(ci)->color());
             painter->setPen(Qt::NoPen);
             painter->drawEllipse(p, 4, 4);
             painter->setPen(Qt::white);
             painter->drawText(p, QString("%1").arg(val));
+        }
+    }
     painter->restore();
+}
 QVector<double> Zoomer::findValues(double x) const
+{
     // TODO: process only channel(s) of this plot
     unsigned nc = _stream->numChannels();
     QVector<double> r(nc);
     for (unsigned ci = 0; ci < nc; ci++)

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