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
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CMakeLists.txt
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@@ -53,48 +53,49 @@ include_directories(${QWT_INCLUDE_DIR})
 

			




	
	
	
		
 
# wrap UI and resource files

			




	
	
	
		
 
qt5_wrap_ui(UI_FILES

			




	
	
	
		
 
  mainwindow.ui

			




	
	
	
		
 
  portcontrol.ui

			




	
	
	
		
 
  about_dialog.ui

			




	
	
	
		
 
  snapshotview.ui

			




	
	
	
		
 
  )

			




	
	
	
		
 
qt5_add_resources(RES_FILES misc/icons.qrc)

			




	
	
	
		
 

			




	
	
	
		
 
add_executable(${PROGRAM_NAME} WIN32

			




	
	
	
		
 
  main.cpp

			




	
	
	
		
 
  mainwindow.cpp

			




	
	
	
		
 
  portcontrol.cpp

			




	
	
	
		
 
  plot.cpp

			




	
	
	
		
 
  zoomer.cpp

			




	
	
	
		
 
  hidabletabwidget.cpp

			




	
	
	
		
 
  framebuffer.cpp

			




	
	
	
		
 
  scalepicker.cpp

			




	
	
	
		
 
  scalezoomer.cpp

			




	
	
	
		
 
  portlist.cpp

			




	
	
	
		
 
  snapshot.cpp

			




	
	
	
		
 
  snapshotview.cpp

			




	
	
	
		
 
  snapshotmanager.cpp

			




	
	
	
		
 
  plotsnapshotoverlay.cpp

			




	
	
	
		
 
  ${UI_FILES}

			




	
	
	
		
 
  ${RES_FILES}

			




	
	
	
		
 
  misc/windows_icon.rc

			




	
	
	
		
 
  )

			




	
	
	
		
 

			




	
	
	
		
 
# Use the Widgets module from Qt 5.

			




	
	
	
		
 
target_link_libraries(${PROGRAM_NAME} ${QWT_LIBRARY})

			




	
	
	
		
 
qt5_use_modules(${PROGRAM_NAME} Widgets SerialPort Svg)

			




	
	
	
		
 

			




	
	
	
		
 
# set compiler flags

			




	
	
	
		
 
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")

			




	
	
	
		
 

			




	
	
	
		
 
# Enable C++11 support, fail if not supported

			




	
	
	
		
 
include(CheckCXXCompilerFlag)

			




	
	
	
		
 
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)

			




	
	
	
		
 
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)

			




	
	
	
		
 
if(COMPILER_SUPPORTS_CXX11)

			




	
	
	
		
 
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

			




	
	
	
		
 
elseif(COMPILER_SUPPORTS_CXX0X)

			




	
	
	
		
 
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")

			




	
	
	
		
 
else()

			




	
	
	
		
 
  message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")

			




	
	
	
		
 
endif()

			




	
	
	
		
 

			




        

    


    
    

    

        

                

                    mainwindow.cpp
                

                

                  
                      
                        

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@@ -87,48 +87,51 @@ MainWindow::MainWindow(QWidget *parent) 

			




	
	
	
		
 
                     this, &MainWindow::close);

			




	
	
	
		
 

			




	
	
	
		
 
    // port control signals

			




	
	
	
		
 
    QObject::connect(&portControl, &PortControl::portToggled,

			




	
	
	
		
 
                     this, &MainWindow::onPortToggled);

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(&portControl, &PortControl::skipByteRequested,

			




	
	
	
		
 
                     this, &MainWindow::skipByte);

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(ui->spNumOfSamples, SELECT<int>::OVERLOAD_OF(&QSpinBox::valueChanged),

			




	
	
	
		
 
                     this, &MainWindow::onNumOfSamplesChanged);

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(ui->cbAutoScale, &QCheckBox::toggled,

			




	
	
	
		
 
                     this, &MainWindow::onAutoScaleChecked);

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(ui->spYmin, SIGNAL(valueChanged(double)),

			




	
	
	
		
 
                     this, SLOT(onYScaleChanged()));

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(ui->spYmax, SIGNAL(valueChanged(double)),

			




	
	
	
		
 
                     this, SLOT(onYScaleChanged()));

			




	
	
	
		
 

			




	
	
	
		
 
    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),

			




	
	
	
		
 
                     this, &MainWindow::onNumOfChannelsChanged);

			




	
	
	
		
 

			




	
	
	
		
 
    // setup number format buttons

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbUint8,  NumberFormat_uint8);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbUint16, NumberFormat_uint16);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbUint32, NumberFormat_uint32);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbInt8,   NumberFormat_int8);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbInt16,  NumberFormat_int16);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbInt32,  NumberFormat_int32);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbFloat,  NumberFormat_float);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbASCII,  NumberFormat_ASCII);

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(&numberFormatButtons, SIGNAL(buttonToggled(int, bool)),

			




	
	
	
		
 
                     this, SLOT(onNumberFormatButtonToggled(int, bool)));

			




	
	
	
		
 

			




	
	
	
		
 
    // init port signals

			




	
	
	
		
 
    QObject::connect(&(this->serialPort), SIGNAL(error(QSerialPort::SerialPortError)),

			




	
	
	
		
 
                     this, SLOT(onPortError(QSerialPort::SerialPortError)));

			




	
	
	
		
 

			




	
	
	
		
 
    // set limits for axis limit boxes

			




	
	
	
		
 
    ui->spYmin->setRange((-1) * std::numeric_limits<double>::max(),

			




        

    


    
    

    

        

                

                    plot.cpp
                

                

                  
                      
                        

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@@ -51,48 +51,55 @@ Plot::Plot(QWidget* parent) :

			




	
	
	
		
 
    _darkBackgroundAction.setToolTip("Enable Dark Plot Background");

			




	
	
	
		
 

			




	
	
	
		
 
    _showGridAction.setShortcut(QKeySequence("G"));

			




	
	
	
		
 
    _showMinorGridAction.setShortcut(QKeySequence("M"));

			




	
	
	
		
 

			




	
	
	
		
 
    _showGridAction.setCheckable(true);

			




	
	
	
		
 
    _showMinorGridAction.setCheckable(true);

			




	
	
	
		
 
    _darkBackgroundAction.setCheckable(true);

			




	
	
	
		
 

			




	
	
	
		
 
    _showGridAction.setChecked(false);

			




	
	
	
		
 
    _showMinorGridAction.setChecked(false);

			




	
	
	
		
 
    _darkBackgroundAction.setChecked(false);

			




	
	
	
		
 

			




	
	
	
		
 
    _showMinorGridAction.setEnabled(false);

			




	
	
	
		
 

			




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

			




	
	
	
		
 
            this, &Plot::showGrid);

			




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

			




	
	
	
		
 
            &_showMinorGridAction, &QAction::setEnabled);

			




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

			




	
	
	
		
 
            this, &Plot::showMinorGrid);

			




	
	
	
		
 
    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)

			




	
	
	
		
 
{

			




	
	
	
		
 
    this->isAutoScaled = autoScaled;

			




	
	
	
		
 

			




	
	
	
		
 
    if (!autoScaled)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        yMin = yAxisMin;

			




	
	
	
		
 
        yMax = yAxisMax;

			




	
	
	
		
 
    }

			




	
	
	
		
 

			




	
	
	
		
 
    zoomer.zoom(0);

			




	
	
	
		
 
    resetAxes();

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
QList<QAction*> Plot::menuActions()

			




	
	
	
		
 
{

			




	
	
	
		
 
    QList<QAction*> actions;

			




	
	
	
		
 
    actions << &_showGridAction;

			




	
	
	
		
 
    actions << &_showMinorGridAction;

			




	
	
	
		
 
    actions << &_unzoomAction;

			




	
	
	
		
 
    actions << &_darkBackgroundAction;

			




	
	
	
		
 
    return actions;

			




	
	
		
 
@@ -166,24 +173,47 @@ void Plot::darkBackground(bool enabled)

			




	
	
	
		
 
  |* . o . + . o . * . o . + . o . * . o . + . o . * . o . + . o . |

			




	
	
	
		
 

			




	
	
	
		
 
  * -> 0-3

			




	
	
	
		
 
  + -> 4-7

			




	
	
	
		
 
  o -> 8-15

			




	
	
	
		
 
  . -> 16-31

			




	
	
	
		
 

			




	
	
	
		
 
 */

			




	
	
	
		
 
QColor Plot::makeColor(unsigned int channelIndex)

			




	
	
	
		
 
{

			




	
	
	
		
 
    auto i = channelIndex;

			




	
	
	
		
 

			




	
	
	
		
 
    if (i < 4)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        return QColor::fromHsv(360*i/4, 255, 230);

			




	
	
	
		
 
    }

			




	
	
	
		
 
    else

			




	
	
	
		
 
    {

			




	
	
	
		
 
        double p = floor(log2(i));

			




	
	
	
		
 
        double n = pow(2, p);

			




	
	
	
		
 
        i = i - n;

			




	
	
	
		
 
        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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@@ -5,65 +5,71 @@

			




	
	
	
		
 

			




	
	
	
		
 
  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 PLOT_H

			




	
	
	
		
 
#define PLOT_H

			




	
	
	
		
 

			




	
	
	
		
 
#include <QColor>

			




	
	
	
		
 
#include <QList>

			




	
	
	
		
 
#include <QAction>

			




	
	
	
		
 
#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

			




	
	
	
		
 
{

			




	
	
	
		
 
    Q_OBJECT

			




	
	
	
		
 

			




	
	
	
		
 
public:

			




	
	
	
		
 
    Plot(QWidget* parent = 0);

			




	
	
	
		
 
    ~Plot();

			




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

			




	
	
	
		
 

			




	
	
	
		
 
    QList<QAction*> menuActions();

			




	
	
	
		
 

			




	
	
	
		
 
    static QColor makeColor(unsigned int channelIndex);

			




	
	
	
		
 

			




	
	
	
		
 
private:

			




	
	
	
		
 
    bool isAutoScaled;

			




	
	
	
		
 
    double yMin, yMax;

			




	
	
	
		
 
    Zoomer zoomer;

			




	
	
	
		
 
    ScaleZoomer sZoomer;

			




	
	
	
		
 
    QwtPlotGrid grid;

			




	
	
	
		
 
    QwtPlotShapeItem rectItem;

			




	
	
	
		
 
    PlotSnapshotOverlay* snapshotOverlay;

			




	
	
	
		
 

			




	
	
	
		
 
    QAction _showGridAction;

			




	
	
	
		
 
    QAction _showMinorGridAction;

			




	
	
	
		
 
    QAction _unzoomAction;

			




	
	
	
		
 
    QAction _darkBackgroundAction;

			




	
	
	
		
 

			




	
	
	
		
 
    void resetAxes();

			




	
	
	
		
 

			




	
	
	
		
 
public slots:

			




	
	
	
		
 
    void showGrid(bool show = true);

			




	
	
	
		
 
    void showMinorGrid(bool show = true);

			




	
	
	
		
 
    void unzoom();

			




	
	
	
		
 
    void darkBackground(bool enabled = true);

			




	
	
	
		
 

			




	
	
	
		
 
    void flashSnapshotOverlay();

			




	
	
	
		
 

			




	
	
	
		
 
private slots:

			




	
	
	
		
 
    void unzoomed();

			




	
	
	
		
 
};

			




	
	
	
		
 

			




	
	
	
		
 
#endif // PLOT_H

			




        

    


    
    

    

        

                

                    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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