107 lines
3.6 KiB
C++
Executable File
107 lines
3.6 KiB
C++
Executable File
/******************************************************************************\
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* Copyright (c) 2004-2009
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*
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* Author(s):
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* Volker Fischer
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*
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******************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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\******************************************************************************/
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#include "serverlogging.h"
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/* Implementation *************************************************************/
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CServerLogging::CServerLogging()
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{
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int i;
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// constants defining the plot properties
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const int iYAxisStart = 0;
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const int iYAxisEnd = 24;
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const int iNumTicksX = 10;
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const int iNumTicksY = 5;
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const int iPlotWidth = 500;
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const int iPlotHeight = 500;
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const int iGridFrameOffset = 10;
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const QColor PlotBackgroundColor ( Qt::white ); // white background
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const QColor PlotFrameColor ( Qt::black ); // black frame
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const QColor PlotGridColor ( Qt::gray ); // gray grid
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const QColor PlotTextColor ( Qt::black ); // black text
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// create base pixmap for plot
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QRect PlotCanvasRect ( QPoint ( 0, 0 ), QPoint ( iPlotWidth, iPlotHeight ) );
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QPixmap PlotPixmap ( PlotCanvasRect.size() );
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PlotPixmap.fill ( PlotBackgroundColor ); // fill background
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// create painter for plot
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QPainter PlotPainter ( &PlotPixmap );
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// create actual plot region (grid frame) ----------------------------------
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QRect PlotGridFrame (
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PlotCanvasRect.x() + iGridFrameOffset,
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PlotCanvasRect.y() + iGridFrameOffset,
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PlotCanvasRect.width() - 2 * iGridFrameOffset,
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PlotCanvasRect.height() - 2 * iGridFrameOffset );
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PlotPainter.setPen ( PlotFrameColor );
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PlotPainter.drawRect ( PlotGridFrame );
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// grid (ticks) for x-axis
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const int iXSpace = PlotGridFrame.width() / ( iNumTicksX - 1 );
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for ( i = 0; i < ( iNumTicksX - 2 ); i++ )
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{
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const int iCurX = PlotGridFrame.x() + iXSpace * ( i + 1 );
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// text
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PlotPainter.setPen ( PlotTextColor );
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// TODO
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// grid
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PlotPainter.setPen ( PlotGridColor );
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PlotPainter.drawLine ( iCurX, PlotGridFrame.y(),
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iCurX, PlotGridFrame.bottom() );
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}
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// grid (ticks) for y-axis
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const int iYSpace = PlotGridFrame.height() / ( iNumTicksY - 1 );
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for ( i = 0; i < ( iNumTicksY - 2 ); i++ )
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{
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const int iCurY = PlotGridFrame.y() + iYSpace * ( i + 1 );
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// text
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PlotPainter.setPen ( PlotTextColor );
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PlotPainter.setFont ( QFont ( "Arial", 10 ) );
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PlotPainter.drawText ( QPoint ( PlotGridFrame.x(), iCurY ),
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QString().setNum ( ( iYAxisEnd - iYAxisStart ) / iNumTicksY * i ) );
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// grid
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PlotPainter.setPen ( PlotGridColor );
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PlotPainter.drawLine ( PlotGridFrame.x(), iCurY,
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PlotGridFrame.right(), iCurY );
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}
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// save plot as a file
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PlotPixmap.save ( "test.jpg", "JPG", 90 );
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}
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