Merge pull request #6 from pljones/feature/pljones-svg-history
SVG history graph
This commit is contained in:
corrados
GitHub
commit
1a853d5ac8
10 changed files with 671 additions and 390 deletions
10
Jamulus.pro
10
Jamulus.pro
|
|
@ -173,7 +173,10 @@ HEADERS += src/audiomixerboard.h \
|
|||
src/analyzerconsole.h \
|
||||
src/recorder/jamrecorder.h \
|
||||
src/recorder/creaperproject.h \
|
||||
src/recorder/cwavestream.h
|
||||
src/recorder/cwavestream.h \
|
||||
src/historygraph.h \
|
||||
src/jpeghistorygraph.h \
|
||||
src/svghistorygraph.h
|
||||
|
||||
HEADERS_OPUS = libs/opus/include/opus.h \
|
||||
libs/opus/include/opus_multistream.h \
|
||||
|
|
@ -270,7 +273,10 @@ SOURCES += src/audiomixerboard.cpp \
|
|||
src/analyzerconsole.cpp \
|
||||
src/recorder/jamrecorder.cpp \
|
||||
src/recorder/creaperproject.cpp \
|
||||
src/recorder/cwavestream.cpp
|
||||
src/recorder/cwavestream.cpp \
|
||||
src/historygraph.cpp \
|
||||
src/jpeghistorygraph.cpp \
|
||||
src/svghistorygraph.cpp
|
||||
|
||||
SOURCES_OPUS = libs/opus/src/opus.c \
|
||||
libs/opus/src/opus_decoder.c \
|
||||
|
|
|
|||
256
src/historygraph.cpp
Normal file
256
src/historygraph.cpp
Normal file
|
|
@ -0,0 +1,256 @@
|
|||
#include "historygraph.h"
|
||||
|
||||
AHistoryGraph::AHistoryGraph() :
|
||||
sFileName ( "" ),
|
||||
bDoHistory ( false ),
|
||||
vHistoryDataFifo ( NUM_ITEMS_HISTORY ),
|
||||
iNumTicksX ( 0 ), // number of days in history
|
||||
|
||||
BackgroundColor ( "white" ), // background
|
||||
FrameColor ( "black" ), // frame
|
||||
GridColor ( "gray" ), // grid
|
||||
TextColor ( "black" ), // text
|
||||
MarkerNewColor ( "darkCyan" ), // marker for new connection
|
||||
MarkerNewLocalColor ( "blue" ), // marker for new local connection
|
||||
MarkerStopColor ( "red" ), // marker for server stop
|
||||
|
||||
canvasRectX ( 0 ),
|
||||
canvasRectY ( 0 ),
|
||||
canvasRectWidth ( 640 ),
|
||||
canvasRectHeight ( 450 ),
|
||||
|
||||
iGridFrameOffset ( 10 ),
|
||||
iGridWidthWeekend ( 3 ), // should be an odd value
|
||||
iXAxisTextHeight ( 22 ),
|
||||
gridFrameX ( canvasRectX + iGridFrameOffset ),
|
||||
gridFrameY ( canvasRectY + iGridFrameOffset ),
|
||||
gridFrameWidth ( canvasRectWidth - 2 * iGridFrameOffset ),
|
||||
gridFrameHeight ( canvasRectHeight - 2 * iGridFrameOffset - iXAxisTextHeight ),
|
||||
gridFrameRight ( gridFrameX + gridFrameWidth - 1 ),
|
||||
gridFrameBottom ( gridFrameY + gridFrameHeight - 1 ),
|
||||
|
||||
axisFontFamily ( "Arial" ),
|
||||
axisFontWeight ( "100" ),
|
||||
axisFontSize ( 12 ),
|
||||
|
||||
iYAxisStart ( 0 ),
|
||||
iYAxisEnd ( 24 ),
|
||||
iNumTicksY ( 5 ),
|
||||
|
||||
iTextOffsetToGrid ( 3 ),
|
||||
iTextOffsetX ( 18 ),
|
||||
|
||||
iMarkerSizeNewCon ( 11 ),
|
||||
iMarkerSizeServSt ( 8 )
|
||||
{
|
||||
}
|
||||
|
||||
void AHistoryGraph::Start ( const QString& sNewFileName )
|
||||
{
|
||||
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
|
||||
tsConsoleStream << QString("AHistoryGraph::Start ( %1 )").arg(sNewFileName) << endl; // on console
|
||||
if ( !sNewFileName.isEmpty() )
|
||||
{
|
||||
// save file name
|
||||
sFileName = sNewFileName;
|
||||
|
||||
// set enable flag
|
||||
bDoHistory = true;
|
||||
|
||||
// enable timer (update once a day)
|
||||
TimerDailyUpdate.start ( 3600000 * 24 );
|
||||
|
||||
// initial update (empty graph)
|
||||
Update();
|
||||
}
|
||||
}
|
||||
|
||||
void AHistoryGraph::Add ( const QDateTime& newDateTime, const EHistoryItemType curType )
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
// create and add new element in FIFO
|
||||
SHistoryData curHistoryData;
|
||||
curHistoryData.DateTime = newDateTime;
|
||||
curHistoryData.Type = curType;
|
||||
|
||||
vHistoryDataFifo.Add ( curHistoryData );
|
||||
}
|
||||
}
|
||||
|
||||
void AHistoryGraph::Add ( const QDateTime& newDateTime, const QHostAddress ClientInetAddr )
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
// add element to history, distinguish between a local connection
|
||||
// and a remote connection
|
||||
if ( ( ClientInetAddr == QHostAddress ( "127.0.0.1" ) ) ||
|
||||
( ClientInetAddr.toString().left ( 7 ).compare ( "192.168" ) == 0 ) )
|
||||
{
|
||||
// local connection
|
||||
Add ( newDateTime, HIT_LOCAL_CONNECTION );
|
||||
}
|
||||
else
|
||||
{
|
||||
// remote connection
|
||||
Add ( newDateTime, HIT_REMOTE_CONNECTION );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AHistoryGraph::Update ( )
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
int i;
|
||||
|
||||
// store current date for reference
|
||||
curDate = QDate::currentDate();
|
||||
|
||||
// get oldest date in history
|
||||
QDate oldestDate = curDate.addDays ( 1 ); // one day in the future
|
||||
const int iNumItemsForHistory = vHistoryDataFifo.Size();
|
||||
for ( i = 0; i < iNumItemsForHistory; i++ )
|
||||
{
|
||||
// only use valid dates
|
||||
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
|
||||
{
|
||||
if ( vHistoryDataFifo[i].DateTime.date() < oldestDate )
|
||||
{
|
||||
oldestDate = vHistoryDataFifo[i].DateTime.date();
|
||||
}
|
||||
}
|
||||
}
|
||||
const int iNumDaysInHistory = -curDate.daysTo ( oldestDate ) + 1;
|
||||
|
||||
// draw frame of the graph
|
||||
DrawFrame ( iNumDaysInHistory );
|
||||
|
||||
// add markers
|
||||
for ( i = 0; i < iNumItemsForHistory; i++ )
|
||||
{
|
||||
// only use valid dates
|
||||
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
|
||||
{
|
||||
AddMarker ( vHistoryDataFifo[i] );
|
||||
}
|
||||
}
|
||||
|
||||
// save graph as picture in file
|
||||
Save ( sFileName );
|
||||
}
|
||||
}
|
||||
|
||||
void AHistoryGraph::DrawFrame ( const int iNewNumTicksX )
|
||||
{
|
||||
int i;
|
||||
|
||||
// store number of x-axis ticks (number of days we want to draw
|
||||
// the history for
|
||||
iNumTicksX = iNewNumTicksX;
|
||||
|
||||
|
||||
// Create actual plot region (grid frame) ----------------------------------
|
||||
rect( gridFrameX, gridFrameY, gridFrameWidth, gridFrameHeight );
|
||||
|
||||
// calculate step for x-axis ticks so that we get the desired number of
|
||||
// ticks -> 5 ticks
|
||||
|
||||
// TODO the following equation does not work as expected but results are acceptable
|
||||
|
||||
// we want to have "floor ( iNumTicksX / 5 )" which is the same as
|
||||
// "iNumTicksX / 5" since "iNumTicksX" is an integer variable
|
||||
const int iXAxisTickStep = iNumTicksX / 5 + 1;
|
||||
|
||||
// grid (ticks) for x-axis
|
||||
dayXSpace = static_cast<double> ( gridFrameWidth ) / ( iNumTicksX + 1 );
|
||||
for ( i = 0; i < static_cast<int>(iNumTicksX); i++ )
|
||||
{
|
||||
int iBottomExtraTickLen = 0;
|
||||
const int iCurX = gridFrameX + static_cast<int> ( dayXSpace * ( i + 1 ) );
|
||||
const QDate curXAxisDate = curDate.addDays ( i - iNumTicksX + 1 );
|
||||
|
||||
// text (print only every "iXAxisTickStep" tick)
|
||||
if ( !( i % iXAxisTickStep ) )
|
||||
{
|
||||
text( iCurX - iTextOffsetX, gridFrameBottom + iXAxisTextHeight + iTextOffsetToGrid, curXAxisDate.toString ( "dd.MM." ) );
|
||||
|
||||
iBottomExtraTickLen = 5;
|
||||
}
|
||||
|
||||
// regular grid
|
||||
line( iCurX, 1 + gridFrameY, iCurX, gridFrameBottom + iBottomExtraTickLen );
|
||||
|
||||
// different grid width for weekends (overwrite regular grid)
|
||||
if ( ( curXAxisDate.dayOfWeek() == 6 ) || // check for Saturday
|
||||
( curXAxisDate.dayOfWeek() == 7 ) ) // check for Sunday
|
||||
{
|
||||
const int iGridWidthWeekendHalf = iGridWidthWeekend / 2;
|
||||
|
||||
line( iCurX, 1 + gridFrameY + iGridWidthWeekendHalf, iCurX, gridFrameBottom - iGridWidthWeekendHalf, iGridWidthWeekend );
|
||||
}
|
||||
}
|
||||
|
||||
// grid (ticks) for y-axis, draw iNumTicksY - 2 grid lines and
|
||||
// iNumTicksY - 1 text labels (the lowest grid line is the grid frame)
|
||||
iYSpace = gridFrameHeight / ( iNumTicksY - 1 );
|
||||
for ( i = 0; i < ( static_cast<int>(iNumTicksY) - 1 ); i++ )
|
||||
{
|
||||
const int iCurY = gridFrameY + iYSpace * ( i + 1 );
|
||||
|
||||
// text
|
||||
text( gridFrameX + iTextOffsetToGrid,
|
||||
iCurY - iTextOffsetToGrid,
|
||||
QString ( "%1:00" ).arg ( ( iYAxisEnd - iYAxisStart ) / ( iNumTicksY - 1 ) * ( ( iNumTicksY - 2 ) - i ) ) );
|
||||
|
||||
// grid (do not overwrite frame)
|
||||
if ( i < ( static_cast<int>(iNumTicksY) - 2 ) )
|
||||
{
|
||||
line( gridFrameX, iCurY, gridFrameRight, iCurY );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AHistoryGraph::AddMarker ( const SHistoryData& curHistoryData )
|
||||
{
|
||||
// calculate x-axis offset (difference of days compared to
|
||||
// current date)
|
||||
const int iXAxisOffs =
|
||||
curDate.daysTo ( curHistoryData.DateTime.date() );
|
||||
|
||||
// check range, if out of range, do not plot anything
|
||||
if ( -iXAxisOffs > ( static_cast<int>(iNumTicksX) - 1 ) )
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// calculate y-axis offset (consider hours and minutes)
|
||||
const double dYAxisOffs = 24 - curHistoryData.DateTime.time().hour() -
|
||||
static_cast<double> ( curHistoryData.DateTime.time().minute() ) / 60;
|
||||
|
||||
// calculate the actual point in the graph (in pixels)
|
||||
int curPointX = gridFrameX + static_cast<int> ( dayXSpace * ( iNumTicksX + iXAxisOffs ) );
|
||||
int curPointY = gridFrameY + static_cast<int> ( static_cast<double> (
|
||||
gridFrameHeight ) / ( iYAxisEnd - iYAxisStart ) * dYAxisOffs );
|
||||
QString curPointColour = MarkerNewColor;
|
||||
int curPointSize = iMarkerSizeNewCon;
|
||||
|
||||
// we use different markers for new connection and server stop items
|
||||
switch ( curHistoryData.Type )
|
||||
{
|
||||
case HIT_SERVER_STOP:
|
||||
curPointColour = MarkerStopColor;
|
||||
curPointSize = iMarkerSizeServSt;
|
||||
break;
|
||||
|
||||
case HIT_LOCAL_CONNECTION:
|
||||
curPointColour = MarkerNewLocalColor;
|
||||
break;
|
||||
|
||||
case HIT_REMOTE_CONNECTION:
|
||||
curPointColour = MarkerNewColor;
|
||||
break;
|
||||
}
|
||||
|
||||
point( curPointX, curPointY, curPointSize, curPointColour );
|
||||
}
|
||||
100
src/historygraph.h
Normal file
100
src/historygraph.h
Normal file
|
|
@ -0,0 +1,100 @@
|
|||
#ifndef HISTORYGRAPH_H
|
||||
#define HISTORYGRAPH_H
|
||||
|
||||
#include <QDateTime>
|
||||
#include <QHostAddress>
|
||||
#include <QFile>
|
||||
#include <QString>
|
||||
#include <QTimer>
|
||||
#include "global.h"
|
||||
#include "util.h"
|
||||
|
||||
/* Definitions ****************************************************************/
|
||||
// number of history items to store
|
||||
#define NUM_ITEMS_HISTORY 600
|
||||
|
||||
/* Interface ********************************************************************/
|
||||
class AHistoryGraph
|
||||
{
|
||||
public:
|
||||
enum EHistoryItemType
|
||||
{
|
||||
HIT_LOCAL_CONNECTION,
|
||||
HIT_REMOTE_CONNECTION,
|
||||
HIT_SERVER_STOP
|
||||
};
|
||||
|
||||
AHistoryGraph();
|
||||
~AHistoryGraph() { }
|
||||
|
||||
void Start ( const QString& sNewFileName );
|
||||
void Add ( const QDateTime& newDateTime, const EHistoryItemType curType );
|
||||
void Add ( const QDateTime& newDateTime, const QHostAddress ClientInetAddr );
|
||||
virtual void Update ( );
|
||||
|
||||
protected:
|
||||
struct SHistoryData
|
||||
{
|
||||
QDateTime DateTime;
|
||||
EHistoryItemType Type;
|
||||
};
|
||||
void DrawFrame ( const int iNewNumTicksX );
|
||||
void AddMarker ( const SHistoryData& curHistoryData );
|
||||
virtual void Save ( const QString sFileName ) = 0;
|
||||
|
||||
virtual void rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height ) = 0;
|
||||
virtual void text ( const unsigned int x, const unsigned int y, const QString& value ) = 0;
|
||||
virtual void line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth = 1 ) = 0;
|
||||
virtual void point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour ) = 0;
|
||||
|
||||
// Constructor sets these
|
||||
QString sFileName;
|
||||
bool bDoHistory;
|
||||
CFIFO<SHistoryData> vHistoryDataFifo;
|
||||
unsigned int iNumTicksX; // Class global, not sure why
|
||||
|
||||
QString BackgroundColor;
|
||||
QString FrameColor;
|
||||
QString GridColor;
|
||||
QString TextColor;
|
||||
QString MarkerNewColor;
|
||||
QString MarkerNewLocalColor;
|
||||
QString MarkerStopColor;
|
||||
|
||||
const unsigned int canvasRectX;
|
||||
const unsigned int canvasRectY;
|
||||
const unsigned int canvasRectWidth;
|
||||
const unsigned int canvasRectHeight;
|
||||
|
||||
const unsigned int iGridFrameOffset;
|
||||
const unsigned int iGridWidthWeekend;
|
||||
const unsigned int iXAxisTextHeight;
|
||||
const unsigned int gridFrameX;
|
||||
const unsigned int gridFrameY;
|
||||
const unsigned int gridFrameWidth;
|
||||
const unsigned int gridFrameHeight;
|
||||
const unsigned int gridFrameRight;
|
||||
const unsigned int gridFrameBottom;
|
||||
|
||||
const QString axisFontFamily;
|
||||
const QString axisFontWeight;
|
||||
const unsigned int axisFontSize;
|
||||
|
||||
const unsigned int iYAxisStart;
|
||||
const unsigned int iYAxisEnd;
|
||||
const unsigned int iNumTicksY;
|
||||
|
||||
const unsigned int iTextOffsetToGrid;
|
||||
const unsigned int iTextOffsetX;
|
||||
|
||||
const unsigned int iMarkerSizeNewCon;
|
||||
const unsigned int iMarkerSizeServSt;
|
||||
|
||||
// others
|
||||
double dayXSpace;
|
||||
unsigned int iYSpace;
|
||||
QDate curDate;
|
||||
QTimer TimerDailyUpdate;
|
||||
};
|
||||
|
||||
#endif // HISTORYGRAPH_H
|
||||
96
src/jpeghistorygraph.cpp
Normal file
96
src/jpeghistorygraph.cpp
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
#include "jpeghistorygraph.h"
|
||||
|
||||
CJpegHistoryGraph::CJpegHistoryGraph() :
|
||||
AHistoryGraph(),
|
||||
PlotPixmap ( 1, 1, QImage::Format_RGB32 ),
|
||||
iAxisFontWeight ( -1 )
|
||||
{
|
||||
// scale pixmap to correct size
|
||||
PlotPixmap = PlotPixmap.scaled ( canvasRectWidth, canvasRectHeight );
|
||||
|
||||
// axisFontWeight is a string matching the CSS2 font-weight definition
|
||||
// Thin = 0, // 100
|
||||
// ExtraLight = 12, // 200
|
||||
// Light = 25, // 300
|
||||
// Normal = 50, // 400
|
||||
// Medium = 57, // 500
|
||||
// DemiBold = 63, // 600
|
||||
// Bold = 75, // 700
|
||||
// ExtraBold = 81, // 800
|
||||
// Black = 87 // 900
|
||||
bool ok;
|
||||
int weight = axisFontWeight.toInt( &ok );
|
||||
if (!ok)
|
||||
{
|
||||
if (!QString("normal").compare(axisFontWeight, Qt::CaseSensitivity::CaseInsensitive)) { iAxisFontWeight = 50; }
|
||||
else if (!QString("bold").compare(axisFontWeight, Qt::CaseSensitivity::CaseInsensitive)) { weight = 75; }
|
||||
}
|
||||
else
|
||||
{
|
||||
if (weight <= 100) { iAxisFontWeight = 0; }
|
||||
else if (weight <= 200) { iAxisFontWeight = 12; }
|
||||
else if (weight <= 300) { iAxisFontWeight = 25; }
|
||||
else if (weight <= 400) { iAxisFontWeight = 50; }
|
||||
else if (weight <= 500) { iAxisFontWeight = 57; }
|
||||
else if (weight <= 600) { iAxisFontWeight = 63; }
|
||||
else if (weight <= 700) { iAxisFontWeight = 75; }
|
||||
else if (weight <= 800) { iAxisFontWeight = 81; }
|
||||
else if (weight <= 900) { iAxisFontWeight = 87; }
|
||||
}
|
||||
// if all else fails, it's left at -1
|
||||
|
||||
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
|
||||
tsConsoleStream << "CJpegHistoryGraph" << endl; // on console
|
||||
|
||||
// Connections -------------------------------------------------------------
|
||||
QObject::connect ( &TimerDailyUpdate, SIGNAL ( timeout() ),
|
||||
this, SLOT ( OnTimerDailyUpdate() ) );
|
||||
}
|
||||
|
||||
// Override Update to create the fresh SVG stream each time
|
||||
void CJpegHistoryGraph::Update()
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
// create JPEG image
|
||||
PlotPixmap.fill ( BackgroundColor ); // fill background
|
||||
|
||||
AHistoryGraph::Update();
|
||||
}
|
||||
}
|
||||
|
||||
void CJpegHistoryGraph::Save ( const QString sFileName )
|
||||
{
|
||||
// save plot as a file
|
||||
PlotPixmap.save ( sFileName, "JPG", 90 );
|
||||
}
|
||||
|
||||
void CJpegHistoryGraph::rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height )
|
||||
{
|
||||
QPainter PlotPainter ( &PlotPixmap );
|
||||
PlotPainter.setPen ( FrameColor );
|
||||
PlotPainter.drawRect ( x, y, width, height );
|
||||
}
|
||||
|
||||
void CJpegHistoryGraph::text ( const unsigned int x, const unsigned int y, const QString& value )
|
||||
{
|
||||
QPainter PlotPainter ( &PlotPixmap );
|
||||
PlotPainter.setPen ( TextColor );
|
||||
// QFont(const QString &family, int pointSize = -1, int weight = -1, bool italic = false);
|
||||
PlotPainter.setFont ( QFont( axisFontFamily, static_cast<int>(axisFontSize), iAxisFontWeight ) );
|
||||
PlotPainter.drawText ( QPoint ( x, y ), value );
|
||||
}
|
||||
|
||||
void CJpegHistoryGraph::line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth )
|
||||
{
|
||||
QPainter PlotPainter ( &PlotPixmap );
|
||||
PlotPainter.setPen ( QPen ( QBrush ( QColor ( GridColor ) ), strokeWidth ) );
|
||||
PlotPainter.drawLine ( x1, y1, x2, y2 );
|
||||
}
|
||||
|
||||
void CJpegHistoryGraph::point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour )
|
||||
{
|
||||
QPainter PlotPainter ( &PlotPixmap );
|
||||
PlotPainter.setPen ( QPen ( QBrush( QColor ( colour ) ), size ) );
|
||||
PlotPainter.drawPoint ( x, y );
|
||||
}
|
||||
34
src/jpeghistorygraph.h
Executable file
34
src/jpeghistorygraph.h
Executable file
|
|
@ -0,0 +1,34 @@
|
|||
#ifndef JPEGHISTORYGRAPH_H
|
||||
#define JPEGHISTORYGRAPH_H
|
||||
|
||||
#include "historygraph.h"
|
||||
|
||||
#include <QImage>
|
||||
#include <QPainter>
|
||||
|
||||
/* Classes ********************************************************************/
|
||||
class CJpegHistoryGraph : public QObject, virtual public AHistoryGraph
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
CJpegHistoryGraph();
|
||||
virtual void Update ( );
|
||||
|
||||
protected:
|
||||
virtual void Save ( const QString sFileName );
|
||||
|
||||
virtual void rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height );
|
||||
virtual void text ( const unsigned int x, const unsigned int y, const QString& value );
|
||||
virtual void line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth = 1 );
|
||||
virtual void point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour );
|
||||
|
||||
private:
|
||||
QImage PlotPixmap;
|
||||
int iAxisFontWeight;
|
||||
|
||||
public slots:
|
||||
void OnTimerDailyUpdate() { Update(); }
|
||||
};
|
||||
|
||||
#endif // JPEGHISTORYGRAPH_H
|
||||
|
|
@ -415,8 +415,7 @@ int main ( int argc, char** argv )
|
|||
// Application object
|
||||
if ( !bUseGUI && !strHistoryFileName.isEmpty() )
|
||||
{
|
||||
tsConsole << "Qt5 requires a windowing system to paint a JPEG image; disabling history graph" << endl;
|
||||
strHistoryFileName = "";
|
||||
tsConsole << "Qt5 requires a windowing system to paint a JPEG image; image will use SVG" << endl;
|
||||
}
|
||||
QCoreApplication* pApp = bUseGUI
|
||||
? new QApplication ( argc, argv )
|
||||
|
|
|
|||
|
|
@ -24,293 +24,6 @@
|
|||
|
||||
#include "serverlogging.h"
|
||||
|
||||
|
||||
/* Implementation *************************************************************/
|
||||
CHistoryGraph::CHistoryGraph() :
|
||||
sFileName ( "" ),
|
||||
bDoHistory ( false ),
|
||||
vHistoryDataFifo ( NUM_ITEMS_HISTORY ),
|
||||
PlotCanvasRect ( 0, 0, 600, 450 ), // defines total size of graph
|
||||
iNumTicksX ( 0 ), // just an initialization value, will be overwritten
|
||||
iYAxisStart ( 0 ),
|
||||
iYAxisEnd ( 24 ),
|
||||
iNumTicksY ( 5 ),
|
||||
iGridFrameOffset ( 10 ),
|
||||
iGridWidthWeekend ( 3 ), // should be an odd value
|
||||
iTextOffsetToGrid ( 3 ),
|
||||
iXAxisTextHeight ( 22 ),
|
||||
iMarkerSizeNewCon ( 11 ),
|
||||
iMarkerSizeServSt ( 8 ),
|
||||
AxisFont ( "Arial", 12 ),
|
||||
iTextOffsetX ( 18 ),
|
||||
PlotBackgroundColor ( Qt::white ), // background
|
||||
PlotFrameColor ( Qt::black ), // frame
|
||||
PlotGridColor ( Qt::gray ), // grid
|
||||
PlotTextColor ( Qt::black ), // text
|
||||
PlotMarkerNewColor ( Qt::darkCyan ), // marker for new connection
|
||||
PlotMarkerNewLocalColor ( Qt::blue ), // marker for new local connection
|
||||
PlotMarkerStopColor ( Qt::red ), // marker for server stop
|
||||
PlotPixmap ( 1, 1, QImage::Format_RGB32 )
|
||||
{
|
||||
// generate plot grid frame rectangle
|
||||
PlotGridFrame.setRect ( PlotCanvasRect.x() + iGridFrameOffset,
|
||||
PlotCanvasRect.y() + iGridFrameOffset,
|
||||
PlotCanvasRect.width() - 2 * iGridFrameOffset,
|
||||
PlotCanvasRect.height() - 2 * iGridFrameOffset - iXAxisTextHeight );
|
||||
|
||||
// scale pixmap to correct size
|
||||
PlotPixmap = PlotPixmap.scaled (
|
||||
PlotCanvasRect.width(), PlotCanvasRect.height() );
|
||||
|
||||
|
||||
// Connections -------------------------------------------------------------
|
||||
QObject::connect ( &TimerDailyUpdate, SIGNAL ( timeout() ),
|
||||
this, SLOT ( OnTimerDailyUpdate() ) );
|
||||
}
|
||||
|
||||
void CHistoryGraph::Start ( const QString& sNewFileName )
|
||||
{
|
||||
if ( !sNewFileName.isEmpty() )
|
||||
{
|
||||
// save file name
|
||||
sFileName = sNewFileName;
|
||||
|
||||
// set enable flag
|
||||
bDoHistory = true;
|
||||
|
||||
// enable timer (update once a day)
|
||||
TimerDailyUpdate.start ( 3600000 * 24 );
|
||||
|
||||
// initial update (empty graph)
|
||||
Update();
|
||||
}
|
||||
}
|
||||
|
||||
void CHistoryGraph::DrawFrame ( const int iNewNumTicksX )
|
||||
{
|
||||
int i;
|
||||
|
||||
// store number of x-axis ticks (number of days we want to draw
|
||||
// the history for
|
||||
iNumTicksX = iNewNumTicksX;
|
||||
|
||||
// clear base pixmap for new plotting
|
||||
PlotPixmap.fill ( PlotBackgroundColor.rgb() ); // fill background
|
||||
|
||||
// create painter
|
||||
QPainter PlotPainter ( &PlotPixmap );
|
||||
|
||||
|
||||
// Create actual plot region (grid frame) ----------------------------------
|
||||
PlotPainter.setPen ( PlotFrameColor );
|
||||
PlotPainter.drawRect ( PlotGridFrame );
|
||||
|
||||
// calculate step for x-axis ticks so that we get the desired number of
|
||||
// ticks -> 5 ticks
|
||||
|
||||
// TODO the following equation does not work as expected but results are acceptable
|
||||
|
||||
// we want to have "floor ( iNumTicksX / 5 )" which is the same as
|
||||
// "iNumTicksX / 5" since "iNumTicksX" is an integer variable
|
||||
const int iXAxisTickStep = iNumTicksX / 5 + 1;
|
||||
|
||||
// grid (ticks) for x-axis
|
||||
dXSpace = static_cast<double> ( PlotGridFrame.width() ) / ( iNumTicksX + 1 );
|
||||
for ( i = 0; i < iNumTicksX; i++ )
|
||||
{
|
||||
int iBottomExtraTickLen = 0;
|
||||
const int iCurX = PlotGridFrame.x() + static_cast<int> ( dXSpace * ( i + 1 ) );
|
||||
const QDate curXAxisDate = curDate.addDays ( i - iNumTicksX + 1 );
|
||||
|
||||
// text (print only every "iXAxisTickStep" tick)
|
||||
if ( !( i % iXAxisTickStep ) )
|
||||
{
|
||||
PlotPainter.setPen ( PlotTextColor );
|
||||
PlotPainter.setFont ( AxisFont );
|
||||
PlotPainter.drawText (
|
||||
QPoint ( iCurX - iTextOffsetX,
|
||||
PlotGridFrame.bottom() + iXAxisTextHeight + iTextOffsetToGrid ),
|
||||
curXAxisDate.toString ( "dd.MM." ) );
|
||||
|
||||
iBottomExtraTickLen = 5;
|
||||
}
|
||||
|
||||
// regular grid
|
||||
PlotPainter.setPen ( PlotGridColor );
|
||||
PlotPainter.drawLine ( iCurX, 1 + PlotGridFrame.y(),
|
||||
iCurX, PlotGridFrame.bottom() + iBottomExtraTickLen );
|
||||
|
||||
// different grid width for weekends (overwrite regular grid)
|
||||
if ( ( curXAxisDate.dayOfWeek() == 6 ) || // check for Saturday
|
||||
( curXAxisDate.dayOfWeek() == 7 ) ) // check for Sunday
|
||||
{
|
||||
const int iGridWidthWeekendHalf = iGridWidthWeekend / 2;
|
||||
|
||||
PlotPainter.setPen ( QPen ( PlotGridColor, iGridWidthWeekend ) );
|
||||
PlotPainter.drawLine ( iCurX, 1 + PlotGridFrame.y() + iGridWidthWeekendHalf,
|
||||
iCurX, PlotGridFrame.bottom() - iGridWidthWeekendHalf );
|
||||
}
|
||||
}
|
||||
|
||||
// grid (ticks) for y-axis, draw iNumTicksY - 2 grid lines and
|
||||
// iNumTicksY - 1 text labels (the lowest grid line is the grid frame)
|
||||
iYSpace = PlotGridFrame.height() / ( iNumTicksY - 1 );
|
||||
for ( i = 0; i < ( iNumTicksY - 1 ); i++ )
|
||||
{
|
||||
const int iCurY = PlotGridFrame.y() + iYSpace * ( i + 1 );
|
||||
|
||||
// text
|
||||
PlotPainter.setPen ( PlotTextColor );
|
||||
PlotPainter.setFont ( AxisFont );
|
||||
PlotPainter.drawText ( QPoint (
|
||||
PlotGridFrame.x() + iTextOffsetToGrid,
|
||||
iCurY - iTextOffsetToGrid ),
|
||||
QString ( "%1:00" ).arg (
|
||||
( iYAxisEnd - iYAxisStart ) / ( iNumTicksY - 1 ) *
|
||||
( ( iNumTicksY - 2 ) - i ) ) );
|
||||
|
||||
// grid (do not overwrite frame)
|
||||
if ( i < ( iNumTicksY - 2 ) )
|
||||
{
|
||||
PlotPainter.setPen ( PlotGridColor );
|
||||
PlotPainter.drawLine ( PlotGridFrame.x(), iCurY,
|
||||
PlotGridFrame.right(), iCurY );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CHistoryGraph::AddMarker ( const SHistoryData& curHistoryData )
|
||||
{
|
||||
// calculate x-axis offset (difference of days compared to
|
||||
// current date)
|
||||
const int iXAxisOffs =
|
||||
curDate.daysTo ( curHistoryData.DateTime.date() );
|
||||
|
||||
// check range, if out of range, do not plot anything
|
||||
if ( -iXAxisOffs > ( iNumTicksX - 1 ) )
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// calculate y-axis offset (consider hours and minutes)
|
||||
const double dYAxisOffs = 24 - curHistoryData.DateTime.time().hour() -
|
||||
static_cast<double> ( curHistoryData.DateTime.time().minute() ) / 60;
|
||||
|
||||
// calculate the actual point in the graph (in pixels)
|
||||
const QPoint curPoint (
|
||||
PlotGridFrame.x() + static_cast<int> ( dXSpace * ( iNumTicksX + iXAxisOffs ) ),
|
||||
PlotGridFrame.y() + static_cast<int> ( static_cast<double> (
|
||||
PlotGridFrame.height() ) / ( iYAxisEnd - iYAxisStart ) * dYAxisOffs ) );
|
||||
|
||||
// create painter for plot
|
||||
QPainter PlotPainter ( &PlotPixmap );
|
||||
|
||||
// we use different markers for new connection and server stop items
|
||||
switch ( curHistoryData.Type )
|
||||
{
|
||||
case HIT_SERVER_STOP:
|
||||
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerStopColor ),
|
||||
iMarkerSizeServSt ) );
|
||||
break;
|
||||
|
||||
case HIT_LOCAL_CONNECTION:
|
||||
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerNewLocalColor ),
|
||||
iMarkerSizeNewCon ) );
|
||||
break;
|
||||
|
||||
case HIT_REMOTE_CONNECTION:
|
||||
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerNewColor ),
|
||||
iMarkerSizeNewCon ) );
|
||||
break;
|
||||
}
|
||||
PlotPainter.drawPoint ( curPoint );
|
||||
}
|
||||
|
||||
void CHistoryGraph::Save ( const QString sFileName )
|
||||
{
|
||||
// save plot as a file
|
||||
PlotPixmap.save ( sFileName, "JPG", 90 );
|
||||
}
|
||||
|
||||
void CHistoryGraph::Add ( const QDateTime& newDateTime,
|
||||
const QHostAddress ClientInetAddr )
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
// add element to history, distinguish between a local connection
|
||||
// and a remote connection
|
||||
if ( ( ClientInetAddr == QHostAddress ( "127.0.0.1" ) ) ||
|
||||
( ClientInetAddr.toString().left ( 7 ).compare ( "192.168" ) == 0 ) )
|
||||
{
|
||||
// local connection
|
||||
Add ( newDateTime, CHistoryGraph::HIT_LOCAL_CONNECTION );
|
||||
}
|
||||
else
|
||||
{
|
||||
// remote connection
|
||||
Add ( newDateTime, CHistoryGraph::HIT_REMOTE_CONNECTION );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CHistoryGraph::Add ( const QDateTime& newDateTime,
|
||||
const EHistoryItemType curType )
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
// create and add new element in FIFO
|
||||
SHistoryData curHistoryData;
|
||||
curHistoryData.DateTime = newDateTime;
|
||||
curHistoryData.Type = curType;
|
||||
|
||||
vHistoryDataFifo.Add ( curHistoryData );
|
||||
}
|
||||
}
|
||||
|
||||
void CHistoryGraph::Update()
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
int i;
|
||||
|
||||
// store current date for reference
|
||||
curDate = QDate::currentDate();
|
||||
|
||||
// get oldest date in history
|
||||
QDate oldestDate = curDate.addDays ( 1 ); // one day in the future
|
||||
const int iNumItemsForHistory = vHistoryDataFifo.Size();
|
||||
for ( i = 0; i < iNumItemsForHistory; i++ )
|
||||
{
|
||||
// only use valid dates
|
||||
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
|
||||
{
|
||||
if ( vHistoryDataFifo[i].DateTime.date() < oldestDate )
|
||||
{
|
||||
oldestDate = vHistoryDataFifo[i].DateTime.date();
|
||||
}
|
||||
}
|
||||
}
|
||||
const int iNumDaysInHistory = -curDate.daysTo ( oldestDate ) + 1;
|
||||
|
||||
// draw frame of the graph
|
||||
DrawFrame ( iNumDaysInHistory );
|
||||
|
||||
// add markers
|
||||
for ( i = 0; i < iNumItemsForHistory; i++ )
|
||||
{
|
||||
// only use valid dates
|
||||
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
|
||||
{
|
||||
AddMarker ( vHistoryDataFifo[i] );
|
||||
}
|
||||
}
|
||||
|
||||
// save graph as picture in file
|
||||
Save ( sFileName );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Server logging --------------------------------------------------------------
|
||||
CServerLogging::~CServerLogging()
|
||||
{
|
||||
|
|
@ -333,7 +46,14 @@ void CServerLogging::Start ( const QString& strLoggingFileName )
|
|||
|
||||
void CServerLogging::EnableHistory ( const QString& strHistoryFileName )
|
||||
{
|
||||
HistoryGraph.Start ( strHistoryFileName );
|
||||
if ( strHistoryFileName.right(4).compare(".svg", Qt::CaseInsensitive) == 0 )
|
||||
{
|
||||
SvgHistoryGraph.Start ( strHistoryFileName );
|
||||
}
|
||||
else
|
||||
{
|
||||
JpegHistoryGraph.Start ( strHistoryFileName );
|
||||
}
|
||||
}
|
||||
|
||||
void CServerLogging::AddNewConnection ( const QHostAddress& ClientInetAddr )
|
||||
|
|
@ -342,14 +62,13 @@ void CServerLogging::AddNewConnection ( const QHostAddress& ClientInetAddr )
|
|||
const QString strLogStr = CurTimeDatetoLogString() + ", " +
|
||||
ClientInetAddr.toString() + ", connected";
|
||||
|
||||
#ifndef _WIN32
|
||||
QTextStream tsConsoleStream ( stdout );
|
||||
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
|
||||
tsConsoleStream << strLogStr << endl; // on console
|
||||
#endif
|
||||
*this << strLogStr; // in log file
|
||||
|
||||
// add element to history
|
||||
HistoryGraph.Add ( QDateTime::currentDateTime(), ClientInetAddr );
|
||||
JpegHistoryGraph.Add ( QDateTime::currentDateTime(), ClientInetAddr );
|
||||
SvgHistoryGraph.Add ( QDateTime::currentDateTime(), ClientInetAddr );
|
||||
}
|
||||
|
||||
void CServerLogging::AddServerStopped()
|
||||
|
|
@ -357,17 +76,16 @@ void CServerLogging::AddServerStopped()
|
|||
const QString strLogStr = CurTimeDatetoLogString() + ",, server stopped "
|
||||
"-------------------------------------";
|
||||
|
||||
#ifndef _WIN32
|
||||
QTextStream tsConsoleStream ( stdout );
|
||||
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
|
||||
tsConsoleStream << strLogStr << endl; // on console
|
||||
#endif
|
||||
*this << strLogStr; // in log file
|
||||
|
||||
// add element to history and update on server stop
|
||||
HistoryGraph.Add ( QDateTime::currentDateTime(),
|
||||
CHistoryGraph::HIT_SERVER_STOP );
|
||||
JpegHistoryGraph.Add ( QDateTime::currentDateTime(), CJpegHistoryGraph::HIT_SERVER_STOP );
|
||||
SvgHistoryGraph.Add ( QDateTime::currentDateTime(), CJpegHistoryGraph::HIT_SERVER_STOP );
|
||||
|
||||
HistoryGraph.Update();
|
||||
JpegHistoryGraph.Update();
|
||||
SvgHistoryGraph.Update();
|
||||
}
|
||||
|
||||
void CServerLogging::operator<< ( const QString& sNewStr )
|
||||
|
|
@ -420,8 +138,8 @@ void CServerLogging::ParseLogFile ( const QString& strFileName )
|
|||
if ( strAddress.isEmpty() )
|
||||
{
|
||||
// server stop
|
||||
HistoryGraph.Add ( curDateTime,
|
||||
CHistoryGraph::HIT_SERVER_STOP );
|
||||
JpegHistoryGraph.Add ( curDateTime, CJpegHistoryGraph::HIT_SERVER_STOP );
|
||||
SvgHistoryGraph.Add ( curDateTime, CJpegHistoryGraph::HIT_SERVER_STOP );
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -431,14 +149,16 @@ void CServerLogging::ParseLogFile ( const QString& strFileName )
|
|||
if ( curAddress.setAddress ( strlistCurLine.at ( 2 ).trimmed() ) )
|
||||
{
|
||||
// new client connection
|
||||
HistoryGraph.Add ( curDateTime, curAddress );
|
||||
JpegHistoryGraph.Add ( curDateTime, curAddress );
|
||||
SvgHistoryGraph.Add ( curDateTime, curAddress );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
HistoryGraph.Update();
|
||||
JpegHistoryGraph.Update();
|
||||
SvgHistoryGraph.Update();
|
||||
}
|
||||
|
||||
QString CServerLogging::CurTimeDatetoLogString()
|
||||
|
|
|
|||
|
|
@ -22,11 +22,9 @@
|
|||
*
|
||||
\******************************************************************************/
|
||||
|
||||
#if !defined ( SERVERLOGGING_HOIHOKIH83JH8_3_43445KJIUHF1912__INCLUDED_ )
|
||||
#define SERVERLOGGING_HOIHOKIH83JH8_3_43445KJIUHF1912__INCLUDED_
|
||||
#ifndef SERVERLOGGING_H
|
||||
#define SERVERLOGGING_H
|
||||
|
||||
#include <QImage>
|
||||
#include <QPainter>
|
||||
#include <QDateTime>
|
||||
#include <QHostAddress>
|
||||
#include <QFile>
|
||||
|
|
@ -35,84 +33,10 @@
|
|||
#include "global.h"
|
||||
#include "util.h"
|
||||
|
||||
|
||||
/* Definitions ****************************************************************/
|
||||
// number of history items to store
|
||||
#define NUM_ITEMS_HISTORY 600
|
||||
|
||||
#include "jpeghistorygraph.h"
|
||||
#include "svghistorygraph.h"
|
||||
|
||||
/* Classes ********************************************************************/
|
||||
class CHistoryGraph : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
enum EHistoryItemType
|
||||
{
|
||||
HIT_LOCAL_CONNECTION,
|
||||
HIT_REMOTE_CONNECTION,
|
||||
HIT_SERVER_STOP
|
||||
};
|
||||
|
||||
CHistoryGraph();
|
||||
void Start ( const QString& sNewFileName );
|
||||
void Add ( const QDateTime& newDateTime, const EHistoryItemType curType );
|
||||
void Add ( const QDateTime& newDateTime, const QHostAddress ClientInetAddr );
|
||||
void Update();
|
||||
|
||||
protected:
|
||||
struct SHistoryData
|
||||
{
|
||||
QDateTime DateTime;
|
||||
EHistoryItemType Type;
|
||||
};
|
||||
void DrawFrame ( const int iNewNumTicksX );
|
||||
void AddMarker ( const SHistoryData& curHistoryData );
|
||||
void Save ( const QString sFileName );
|
||||
|
||||
QString sFileName;
|
||||
|
||||
bool bDoHistory;
|
||||
CFIFO<SHistoryData> vHistoryDataFifo;
|
||||
|
||||
QRect PlotCanvasRect;
|
||||
|
||||
int iNumTicksX;
|
||||
int iYAxisStart;
|
||||
int iYAxisEnd;
|
||||
int iNumTicksY;
|
||||
int iGridFrameOffset;
|
||||
int iGridWidthWeekend;
|
||||
int iTextOffsetToGrid;
|
||||
int iXAxisTextHeight;
|
||||
int iMarkerSizeNewCon;
|
||||
int iMarkerSizeServSt;
|
||||
|
||||
QFont AxisFont;
|
||||
int iTextOffsetX;
|
||||
|
||||
QColor PlotBackgroundColor;
|
||||
QColor PlotFrameColor;
|
||||
QColor PlotGridColor;
|
||||
QColor PlotTextColor;
|
||||
QColor PlotMarkerNewColor;
|
||||
QColor PlotMarkerNewLocalColor;
|
||||
QColor PlotMarkerStopColor;
|
||||
|
||||
QImage PlotPixmap;
|
||||
|
||||
double dXSpace;
|
||||
int iYSpace;
|
||||
|
||||
QDate curDate;
|
||||
QRect PlotGridFrame;
|
||||
QTimer TimerDailyUpdate;
|
||||
|
||||
public slots:
|
||||
void OnTimerDailyUpdate() { Update(); }
|
||||
};
|
||||
|
||||
|
||||
class CServerLogging
|
||||
{
|
||||
public:
|
||||
|
|
@ -130,9 +54,10 @@ protected:
|
|||
void operator<< ( const QString& sNewStr );
|
||||
QString CurTimeDatetoLogString();
|
||||
|
||||
CHistoryGraph HistoryGraph;
|
||||
bool bDoLogging;
|
||||
QFile File;
|
||||
CJpegHistoryGraph JpegHistoryGraph;
|
||||
CSvgHistoryGraph SvgHistoryGraph;
|
||||
bool bDoLogging;
|
||||
QFile File;
|
||||
};
|
||||
|
||||
#endif /* !defined ( SERVERLOGGING_HOIHOKIH83JH8_3_43445KJIUHF1912__INCLUDED_ ) */
|
||||
#endif // SERVERLOGGING_H
|
||||
|
|
|
|||
104
src/svghistorygraph.cpp
Executable file
104
src/svghistorygraph.cpp
Executable file
|
|
@ -0,0 +1,104 @@
|
|||
#include "svghistorygraph.h"
|
||||
|
||||
CSvgHistoryGraph::CSvgHistoryGraph() :
|
||||
AHistoryGraph(),
|
||||
svgImage( "" ),
|
||||
svgStreamWriter( &svgImage )
|
||||
{
|
||||
// set SVG veiwBox to correct size to ensure correct scaling
|
||||
svgRootAttributes.append("viewBox",
|
||||
QString("%1, %2, %3, %4")
|
||||
.arg(canvasRectX)
|
||||
.arg(canvasRectY)
|
||||
.arg(canvasRectWidth)
|
||||
.arg(canvasRectHeight)
|
||||
);
|
||||
|
||||
svgRootAttributes.append("xmlns", "http://www.w3.org/2000/svg");
|
||||
svgRootAttributes.append("xmlns:xlink", "http://www.w3.org/1999/xlink");
|
||||
|
||||
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
|
||||
tsConsoleStream << "CSvgHistoryGraph" << endl; // on console
|
||||
|
||||
// Connections -------------------------------------------------------------
|
||||
QObject::connect ( &TimerDailyUpdate, SIGNAL ( timeout() ),
|
||||
this, SLOT ( OnTimerDailyUpdate() ) );
|
||||
}
|
||||
|
||||
// Override Update to create the fresh SVG stream each time
|
||||
void CSvgHistoryGraph::Update()
|
||||
{
|
||||
if ( bDoHistory )
|
||||
{
|
||||
// create SVG document
|
||||
svgImage = "";
|
||||
|
||||
svgStreamWriter.setAutoFormatting(true);
|
||||
svgStreamWriter.writeStartDocument();
|
||||
svgStreamWriter.writeStartElement("svg");
|
||||
svgStreamWriter.writeAttributes(svgRootAttributes);
|
||||
|
||||
AHistoryGraph::Update();
|
||||
}
|
||||
}
|
||||
|
||||
void CSvgHistoryGraph::Save ( const QString sFileName )
|
||||
{
|
||||
svgStreamWriter.writeEndDocument();
|
||||
|
||||
QFile outf (sFileName);
|
||||
if (!outf.open(QFile::WriteOnly)) {
|
||||
throw std::runtime_error( (sFileName + " could not be written. Aborting.").toStdString() );
|
||||
}
|
||||
QTextStream out(&outf);
|
||||
|
||||
out << svgImage << endl;
|
||||
}
|
||||
|
||||
void CSvgHistoryGraph::rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height )
|
||||
{
|
||||
svgStreamWriter.writeEmptyElement("rect");
|
||||
svgStreamWriter.writeAttribute("x", QString("%1").arg(x));
|
||||
svgStreamWriter.writeAttribute("y", QString("%1").arg(y));
|
||||
svgStreamWriter.writeAttribute("width", QString("%1").arg(width));
|
||||
svgStreamWriter.writeAttribute("height", QString("%1").arg(height));
|
||||
svgStreamWriter.writeAttribute("stroke", FrameColor);
|
||||
svgStreamWriter.writeAttribute("stroke-width", QString("1"));
|
||||
svgStreamWriter.writeAttribute("style", QString("fill: none;"));
|
||||
}
|
||||
|
||||
void CSvgHistoryGraph::text ( const unsigned int x, const unsigned int y, const QString& value )
|
||||
{
|
||||
svgStreamWriter.writeStartElement("text");
|
||||
svgStreamWriter.writeAttribute("x", QString("%1").arg(x));
|
||||
svgStreamWriter.writeAttribute("y", QString("%1").arg(y));
|
||||
svgStreamWriter.writeAttribute("stroke", TextColor);
|
||||
svgStreamWriter.writeAttribute("font-family", axisFontFamily);
|
||||
svgStreamWriter.writeAttribute("font-weight", axisFontWeight);
|
||||
svgStreamWriter.writeAttribute("font-size", QString("%1").arg(axisFontSize));
|
||||
|
||||
svgStreamWriter.writeCharacters( value );
|
||||
svgStreamWriter.writeEndElement();
|
||||
}
|
||||
|
||||
void CSvgHistoryGraph::line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth )
|
||||
{
|
||||
svgStreamWriter.writeEmptyElement("line");
|
||||
svgStreamWriter.writeAttribute("x1", QString("%1").arg(x1));
|
||||
svgStreamWriter.writeAttribute("y1", QString("%1").arg(y1));
|
||||
svgStreamWriter.writeAttribute("x2", QString("%1").arg(x2));
|
||||
svgStreamWriter.writeAttribute("y2", QString("%1").arg(y2));
|
||||
svgStreamWriter.writeAttribute("stroke", GridColor);
|
||||
svgStreamWriter.writeAttribute("stroke-width", QString("%1").arg(strokeWidth));
|
||||
}
|
||||
|
||||
void CSvgHistoryGraph::point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour )
|
||||
{
|
||||
svgStreamWriter.writeEmptyElement("rect");
|
||||
svgStreamWriter.writeAttribute("x", QString("%1").arg(x));
|
||||
svgStreamWriter.writeAttribute("y", QString("%1").arg(y));
|
||||
svgStreamWriter.writeAttribute("width", QString("%1").arg(size));
|
||||
svgStreamWriter.writeAttribute("height", QString("%1").arg(size));
|
||||
svgStreamWriter.writeAttribute("stroke-opacity", "0");
|
||||
svgStreamWriter.writeAttribute("fill", colour);
|
||||
}
|
||||
41
src/svghistorygraph.h
Executable file
41
src/svghistorygraph.h
Executable file
|
|
@ -0,0 +1,41 @@
|
|||
#ifndef SVGHISTORYGRAPH_H
|
||||
#define SVGHISTORYGRAPH_H
|
||||
|
||||
#include "historygraph.h"
|
||||
|
||||
#include <QXmlStreamWriter>
|
||||
#include <QXmlStreamAttributes>
|
||||
|
||||
/* Definitions ****************************************************************/
|
||||
// number of history items to store
|
||||
#ifndef NUM_ITEMS_HISTORY
|
||||
#define NUM_ITEMS_HISTORY 600
|
||||
#endif
|
||||
|
||||
/* Classes ********************************************************************/
|
||||
class CSvgHistoryGraph : public QObject, virtual public AHistoryGraph
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
CSvgHistoryGraph();
|
||||
virtual void Update();
|
||||
|
||||
protected:
|
||||
virtual void Save ( const QString sFileName );
|
||||
|
||||
virtual void rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height );
|
||||
virtual void text ( const unsigned int x, const unsigned int y, const QString& value );
|
||||
virtual void line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth = 1 );
|
||||
virtual void point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour );
|
||||
|
||||
private:
|
||||
QXmlStreamAttributes svgRootAttributes;
|
||||
QString svgImage;
|
||||
QXmlStreamWriter svgStreamWriter;
|
||||
|
||||
public slots:
|
||||
void OnTimerDailyUpdate() { Update(); }
|
||||
};
|
||||
|
||||
#endif // SVGHISTORYGRAPH_H
|
||||
Loading…
Reference in a new issue