Changeset - c51c9195eb8f
Parent rev.
Child rev.
[Not reviewed]
snapshots
0 4 2
Hasan Yavuz ÖZDERYA - 10 years ago 2015-09-30 07:40:13
hy@ozderya.net
show flashing overlay when snapshot taken
6 files changed with 153 insertions and 0 deletions:
CMakeLists.txt
1
mainwindow.cpp
3
plot.cpp
30
plot.h
6
plotsnapshotoverlay.cpp
65
plotsnapshotoverlay.h
48
0 comments (0 inline, 0 general)
CMakeLists.txt
➞
Show inline comments
 
@@ -74,6 +74,7 @@ add_executable(${PROGRAM_NAME} WIN32
 
  snapshot.cpp
 
  snapshotview.cpp
 
  snapshotmanager.cpp
 
  plotsnapshotoverlay.cpp
 
  ${UI_FILES}
 
  ${RES_FILES}
 
  misc/windows_icon.rc
mainwindow.cpp
➞
Show inline comments
 
@@ -108,6 +108,9 @@ MainWindow::MainWindow(QWidget *parent)
 
    QObject::connect(ui->actionClear, SIGNAL(triggered(bool)),
 
                     this, SLOT(clearPlot()));
 

			




	
	
	
		
 
    QObject::connect(snapshotMan.takeSnapshotAction(), &QAction::triggered,

			




	
	
	
		
 
                     ui->plot, &Plot::flashSnapshotOverlay);

			




	
	
	
		
 

			




	
	
	
		
 
    // setup number of channels spinbox

			




	
	
	
		
 
    QObject::connect(ui->spNumOfChannels,

			




	
	
	
		
 
                     SELECT<int>::OVERLOAD_OF(&QSpinBox::valueChanged),

			




        

    


    
    

    

        

                

                    plot.cpp
                

                

                  
                      
                        

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@@ -72,6 +72,13 @@ Plot::Plot(QWidget* parent) :

			




	
	
	
		
 
    connect(&_unzoomAction, &QAction::triggered, this, &Plot::unzoom);

			




	
	
	
		
 
    connect(&_darkBackgroundAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),

			




	
	
	
		
 
            this, &Plot::darkBackground);

			




	
	
	
		
 

			




	
	
	
		
 
    snapshotOverlay = NULL;

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
Plot::~Plot()

			




	
	
	
		
 
{

			




	
	
	
		
 
    if (snapshotOverlay != NULL) delete snapshotOverlay;

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void Plot::setAxis(bool autoScaled, double yAxisMin, double yAxisMax)

			




	
	
		
 
@@ -187,3 +194,26 @@ QColor Plot::makeColor(unsigned int chan

			




	
	
	
		
 
        return QColor::fromHsv(360*i/n + 360/pow(2,p+1), 255, 230);

			




	
	
	
		
 
    }

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void Plot::flashSnapshotOverlay()

			




	
	
	
		
 
{

			




	
	
	
		
 
    if (snapshotOverlay != NULL) delete snapshotOverlay;

			




	
	
	
		
 

			




	
	
	
		
 
    QColor color;

			




	
	
	
		
 
    if (_darkBackgroundAction.isChecked())

			




	
	
	
		
 
    {

			




	
	
	
		
 
        color = QColor(Qt::white);

			




	
	
	
		
 
    }

			




	
	
	
		
 
    else

			




	
	
	
		
 
    {

			




	
	
	
		
 
        color = QColor(Qt::black);

			




	
	
	
		
 
    }

			




	
	
	
		
 

			




	
	
	
		
 
    snapshotOverlay = new PlotSnapshotOverlay(this->canvas(), color);

			




	
	
	
		
 
    connect(snapshotOverlay, &PlotSnapshotOverlay::done,

			




	
	
	
		
 
            [this]()

			




	
	
	
		
 
            {

			




	
	
	
		
 
                delete snapshotOverlay;

			




	
	
	
		
 
                snapshotOverlay = NULL;

			




	
	
	
		
 
            });

			




	
	
	
		
 
}

			




        

    


    
    

    

        

                

                    plot.h
                

                

                  
                      
                        

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@@ -26,8 +26,10 @@

			




	
	
	
		
 
#include <qwt_plot.h>

			




	
	
	
		
 
#include <qwt_plot_grid.h>

			




	
	
	
		
 
#include <qwt_plot_shapeitem.h>

			




	
	
	
		
 

			




	
	
	
		
 
#include "zoomer.h"

			




	
	
	
		
 
#include "scalezoomer.h"

			




	
	
	
		
 
#include "plotsnapshotoverlay.h"

			




	
	
	
		
 

			




	
	
	
		
 
class Plot : public QwtPlot

			




	
	
	
		
 
{

			




	
	
		
 
@@ -35,6 +37,7 @@ class Plot : public QwtPlot

			




	
	
	
		
 

			




	
	
	
		
 
public:

			




	
	
	
		
 
    Plot(QWidget* parent = 0);

			




	
	
	
		
 
    ~Plot();

			




	
	
	
		
 
    void setAxis(bool autoScaled, double yMin = 0, double yMax = 1);

			




	
	
	
		
 

			




	
	
	
		
 
    QList<QAction*> menuActions();

			




	
	
		
 
@@ -48,6 +51,7 @@ private:

			




	
	
	
		
 
    ScaleZoomer sZoomer;

			




	
	
	
		
 
    QwtPlotGrid grid;

			




	
	
	
		
 
    QwtPlotShapeItem rectItem;

			




	
	
	
		
 
    PlotSnapshotOverlay* snapshotOverlay;

			




	
	
	
		
 

			




	
	
	
		
 
    QAction _showGridAction;

			




	
	
	
		
 
    QAction _showMinorGridAction;

			




	
	
		
 
@@ -62,6 +66,8 @@ public slots:

			




	
	
	
		
 
    void unzoom();

			




	
	
	
		
 
    void darkBackground(bool enabled = true);

			




	
	
	
		
 

			




	
	
	
		
 
    void flashSnapshotOverlay();

			




	
	
	
		
 

			




	
	
	
		
 
private slots:

			




	
	
	
		
 
    void unzoomed();

			




	
	
	
		
 
};

			




        

    


    
    

    

        

                

                    plotsnapshotoverlay.cpp
                

                

                  
                      
                        

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new file 100644

			




	
	
	
		
 
/*

			




	
	
	
		
 
  Copyright © 2015 Hasan Yavuz Özderya

			




	
	
	
		
 

			




	
	
	
		
 
  This file is part of serialplot.

			




	
	
	
		
 

			




	
	
	
		
 
  serialplot is free software: you can redistribute it and/or modify

			




	
	
	
		
 
  it under the terms of the GNU General Public License as published by

			




	
	
	
		
 
  the Free Software Foundation, either version 3 of the License, or

			




	
	
	
		
 
  (at your option) any later version.

			




	
	
	
		
 

			




	
	
	
		
 
  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 <algorithm>

			




	
	
	
		
 
#include <QPen>

			




	
	
	
		
 

			




	
	
	
		
 
#include "plotsnapshotoverlay.h"

			




	
	
	
		
 

			




	
	
	
		
 
#define LINE_WIDTH (10)

			




	
	
	
		
 
#define ANIM_LENGTH (500) // milliseconds

			




	
	
	
		
 
#define UPDATE_PERIOD (20) // milliseconds

			




	
	
	
		
 

			




	
	
	
		
 
PlotSnapshotOverlay::PlotSnapshotOverlay(QWidget* widget, QColor color) :

			




	
	
	
		
 
    QwtWidgetOverlay(widget)

			




	
	
	
		
 
{

			




	
	
	
		
 
    _color = color;

			




	
	
	
		
 
    animTimer.setSingleShot(true);

			




	
	
	
		
 
    animTimer.setInterval(ANIM_LENGTH);

			




	
	
	
		
 
    updateTimer.setSingleShot(false);

			




	
	
	
		
 
    updateTimer.setInterval(UPDATE_PERIOD);

			




	
	
	
		
 

			




	
	
	
		
 
    connect(&updateTimer, &QTimer::timeout, [this](){this->updateOverlay();});

			




	
	
	
		
 
    connect(&animTimer, &QTimer::timeout, &updateTimer, &QTimer::stop);

			




	
	
	
		
 
    connect(&animTimer, &QTimer::timeout, this, &PlotSnapshotOverlay::done);

			




	
	
	
		
 

			




	
	
	
		
 
    animTimer.start();

			




	
	
	
		
 
    updateTimer.start();

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void PlotSnapshotOverlay::drawOverlay(QPainter* painter) const

			




	
	
	
		
 
{

			




	
	
	
		
 
        if (!animTimer.isActive()) return;

			




	
	
	
		
 
    QColor lineColor = _color;

			




	
	
	
		
 

			




	
	
	
		
 
    double fadingRatio = ((double) animTimer.remainingTime()) / ANIM_LENGTH;

			




	
	
	
		
 
    lineColor.setAlpha(std::min(255, (int) (255*fadingRatio)));

			




	
	
	
		
 

			




	
	
	
		
 
    QPen pen(lineColor);

			




	
	
	
		
 
    pen.setWidth(LINE_WIDTH);

			




	
	
	
		
 
    pen.setJoinStyle(Qt::MiterJoin);

			




	
	
	
		
 

			




	
	
	
		
 
    int width = painter->device()->width();

			




	
	
	
		
 
    int height = painter->device()->height();

			




	
	
	
		
 

			




	
	
	
		
 
    painter->save();

			




	
	
	
		
 
    painter->setPen(pen);

			




	
	
	
		
 
    painter->drawRect(LINE_WIDTH/2, LINE_WIDTH/2, width-LINE_WIDTH, height-LINE_WIDTH);

			




	
	
	
		
 
    painter->restore();

			




	
	
	
		
 
}

			




        

    


    
    

    

        

                

                    plotsnapshotoverlay.h
                

                

                  
                      
                        

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new file 100644

			




	
	
	
		
 
/*

			




	
	
	
		
 
  Copyright © 2015 Hasan Yavuz Özderya

			




	
	
	
		
 

			




	
	
	
		
 
  This file is part of serialplot.

			




	
	
	
		
 

			




	
	
	
		
 
  serialplot is free software: you can redistribute it and/or modify

			




	
	
	
		
 
  it under the terms of the GNU General Public License as published by

			




	
	
	
		
 
  the Free Software Foundation, either version 3 of the License, or

			




	
	
	
		
 
  (at your option) any later version.

			




	
	
	
		
 

			




	
	
	
		
 
  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/>.

			




	
	
	
		
 
*/

			




	
	
	
		
 

			




	
	
	
		
 
#ifndef PLOTSNAPSHOTOVERLAY_H

			




	
	
	
		
 
#define PLOTSNAPSHOTOVERLAY_H

			




	
	
	
		
 

			




	
	
	
		
 
#include <QColor>

			




	
	
	
		
 
#include <QPainter>

			




	
	
	
		
 
#include <QTimer>

			




	
	
	
		
 
#include <qwt_widget_overlay.h>

			




	
	
	
		
 

			




	
	
	
		
 
// Draws a sort of flashing effect on plot widget when snapshot taken

			




	
	
	
		
 
class PlotSnapshotOverlay : public QwtWidgetOverlay

			




	
	
	
		
 
{

			




	
	
	
		
 
    Q_OBJECT

			




	
	
	
		
 

			




	
	
	
		
 
public:

			




	
	
	
		
 
    PlotSnapshotOverlay(QWidget* widget, QColor color);

			




	
	
	
		
 

			




	
	
	
		
 
protected:

			




	
	
	
		
 
    void drawOverlay(QPainter*) const;

			




	
	
	
		
 

			




	
	
	
		
 
signals:

			




	
	
	
		
 
    void done(); // indicates that animation completed

			




	
	
	
		
 

			




	
	
	
		
 
private:

			




	
	
	
		
 
    QColor _color;

			




	
	
	
		
 
    QTimer animTimer; // controls fading

			




	
	
	
		
 
    QTimer updateTimer; // need to force repaint the canvas

			




	
	
	
		
 
};

			




	
	
	
		
 

			




	
	
	
		
 
#endif // PLOTSNAPSHOTOVERLAY_H

			




        

    



    


    



    



      

      





    
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