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/* -*- Mode: C++ -*-
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KDChart - a multi-platform charting engine
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*/
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/****************************************************************************
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** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KDChart library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KDChart licenses may use this file in
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** accordance with the KDChart Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.klaralvdalens-datakonsult.se/?page=products for
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** information about KDChart Commercial License Agreements.
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**
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** Contact info@klaralvdalens-datakonsult.se if any conditions of this
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** licensing are not clear to you.
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**
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**********************************************************************/
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#include "KDChartPolarPainter.h"
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#include <KDChartParams.h>
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#include <KDChartAxisParams.h>
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#include "KDChartAxesPainter.h"
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#include "KDDrawText.h"
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#include <tqpainter.h>
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/**
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\class KDChartPolarPainter KDChartPolarPainter.h
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\brief A chart painter implementation that can paint polar charts.
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*/
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/**
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Constructor. Sets up internal data structures as necessary.
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\param params the KDChartParams structure that defines the chart
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\param data the data that will be displayed as a chart
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*/
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KDChartPolarPainter::KDChartPolarPainter( KDChartParams* params ) :
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KDChartPainter( params )
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{
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// This constructor intentionally left blank so far; we cannot setup the
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// geometry yet since we do not know the size of the painter.
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}
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/**
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Destructor.
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*/
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KDChartPolarPainter::~KDChartPolarPainter()
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{
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// intentionally left blank
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}
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/**
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Paints the actual data area. Data regions will only be added if \a
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regions is not 0 and the chart is configured to be drawn with
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markers.
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\param painter the TQPainter onto which the chart should be painted
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\param data the data that will be displayed as a chart
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\param paint2nd specifies whether the main chart or the additional chart is to be drawn now
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\param regions a pointer to a list of regions that will be filled
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with regions representing the data segments, if not null
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*/
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void KDChartPolarPainter::paintData( TQPainter* painter,
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KDChartTableDataBase* data,
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bool paint2nd,
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KDChartDataRegionList* regions )
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{
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uint chart = paint2nd ? 1 : 0;
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TQRect ourClipRect( _dataRect );
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ourClipRect.setBottom( ourClipRect.bottom() - 1 ); // protect axes
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ourClipRect.setLeft( ourClipRect.left() + 1 );
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ourClipRect.setRight( ourClipRect.right() - 1 );
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//
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// PENDING(khz) adjust the clip rect if neccessary...
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//
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const TQWMatrix & world = painter->worldMatrix();
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ourClipRect =
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#if COMPAT_TQT_VERSION >= 0x030000
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world.mapRect( ourClipRect );
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#else
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world.map( ourClipRect );
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#endif
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painter->setClipRect( ourClipRect );
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uint datasetStart, datasetEnd;
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findChartDatasets( data, paint2nd, chart, datasetStart, datasetEnd );
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painter->translate( _dataRect.x(), _dataRect.y() );
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// Number of values: If -1, use all values, otherwise use the
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// specified number of values.
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int numValues = 0;
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if ( params()->numValues() != -1 )
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numValues = params()->numValues();
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else
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numValues = data->usedCols();
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// compute position
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int size = TQMIN( _dataRect.width(), _dataRect.height() ); // initial size
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const double minSizeP1000 = size / 1000.0;
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int x = ( _dataRect.width() == size ) ? 0 : ( ( _dataRect.width() - size ) / 2 );
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int y = ( _dataRect.height() == size ) ? 0 : ( ( _dataRect.height() - size ) / 2 );
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TQRect position( x, y, size, size );
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TQPoint center( position.width() / 2 + position.x(),
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position.height() / 2 + position.y() );
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double maxValue;
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switch ( params()->polarChartSubType() ) {
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case KDChartParams::PolarNormal:
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maxValue = data->maxValue();
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break;
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case KDChartParams::PolarPercent:
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maxValue = 100.0;
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break;
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default:
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maxValue = TQMAX( data->maxColSum(), 0.0 );
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}
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double pixelsPerUnit = 0.0;
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// the / 2 in the next line is there because we need the space in
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// both directions
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pixelsPerUnit = (position.height() / maxValue / 2) * 1000 / 1250;
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TQMap < int, double > currentValueSums;
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if ( params()->polarChartSubType() == KDChartParams::PolarStacked
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|| params()->polarChartSubType() == KDChartParams::PolarPercent )
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// this array is only used for stacked and percent polar
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// charts, no need to waste time initializing it for normal
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// ones
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for ( int value = 0; value < numValues; value++ )
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currentValueSums[ value ] = 0.0;
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TQMap < int, double > totalValueSums;
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/*
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axes schema: use AxisPosSagittal for sagittal 'axis' lines
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use AxisPosCircular for circular 'axis'
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*/
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const KDChartAxisParams & paraSagittal = params()->axisParams( KDChartAxisParams::AxisPosSagittal );
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const KDChartAxisParams & paraCircular = params()->axisParams( KDChartAxisParams::AxisPosCircular );
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int sagittalLineWidth = 0 <= paraSagittal.axisLineWidth()
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? paraSagittal.axisLineWidth()
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: -1 * static_cast < int > ( paraSagittal.axisLineWidth()
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* minSizeP1000 );
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( ( KDChartAxisParams& ) paraSagittal ).setAxisTrueLineWidth( sagittalLineWidth );
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int sagittalGridLineWidth
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= ( KDCHART_AXIS_GRID_AUTO_LINEWIDTH
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== paraSagittal.axisGridLineWidth() )
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? sagittalLineWidth
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: ( ( 0 <= paraSagittal.axisGridLineWidth() )
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? paraSagittal.axisGridLineWidth()
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: -1 * static_cast < int > ( paraSagittal.axisGridLineWidth()
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* minSizeP1000 ) );
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int circularLineWidth = 0 <= paraCircular.axisLineWidth()
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? paraCircular.axisLineWidth()
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: -1 * static_cast < int > ( paraCircular.axisLineWidth()
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* minSizeP1000 );
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( ( KDChartAxisParams& ) paraCircular ).setAxisTrueLineWidth( circularLineWidth );
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int circularGridLineWidth
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= ( KDCHART_AXIS_GRID_AUTO_LINEWIDTH
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== paraCircular.axisGridLineWidth() )
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? circularLineWidth
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: ( ( 0 <= paraCircular.axisGridLineWidth() )
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? paraCircular.axisGridLineWidth()
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: -1 * static_cast < int > ( paraCircular.axisGridLineWidth()
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* minSizeP1000 ) );
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TQFont actFont;
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int labels = 0;
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double currentRadiusPPU = position.height() / 2.0;
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// draw the "axis" circles
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if( paraCircular.axisShowGrid()
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|| paraCircular.axisVisible()
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|| paraCircular.axisLabelsVisible() ) {
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double radiusPPU = maxValue * pixelsPerUnit;
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double pDelimDelta = 0.0;
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// calculate label texts
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TQStringList* labelTexts = 0;
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((KDChartParams*)params())->setAxisArea( KDChartAxisParams::AxisPosCircular,
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TQRect( 0,
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0,
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static_cast<int>( radiusPPU ),
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static_cast<int>( radiusPPU ) ) );
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double delimLen = 20.0 * minSizeP1000; // per mille of area
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KDChartAxisParams::AxisPos basicPos;
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TQPoint orig, dest;
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double dDummy;
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double nSubDelimFactor = 0.0;
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double nTxtHeight = 0.0;
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double pTextsX = 0.0;
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double pTextsY = 0.0;
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double pTextsW = 0.0;
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double pTextsH = 0.0;
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int textAlign = TQt::AlignHCenter | TQt::AlignVCenter;
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bool isLogarithmic = false;
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bool isDateTime = false;
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bool autoDtLabels = false;
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TQDateTime dtLow;
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TQDateTime dtHigh;
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KDChartAxisParams::ValueScale dtDeltaScale;
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KDChartAxesPainter::calculateLabelTexts(
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painter,
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*data,
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*params(),
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KDChartAxisParams::AxisPosCircular,
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minSizeP1000,
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delimLen,
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// start of reference parameters
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basicPos,
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orig,
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dest,
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dDummy,dDummy,dDummy,dDummy,
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nSubDelimFactor,
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pDelimDelta,
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nTxtHeight,
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pTextsX,
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pTextsY,
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pTextsW,
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pTextsH,
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textAlign,
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isLogarithmic,
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isDateTime,
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autoDtLabels,
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dtLow,
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dtHigh,
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dtDeltaScale );
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labelTexts = ( TQStringList* ) paraCircular.axisLabelTexts();
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if( paraCircular.axisLabelsVisible() ) {
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//tqDebug("\nnTxtHeight: "+TQString::number(nTxtHeight));
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// calculate font size
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actFont = paraCircular.axisLabelsFont();
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if ( paraCircular.axisLabelsFontUseRelSize() ) {
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//tqDebug("paraCircular.axisLabelsFontUseRelSize() is TRUE");
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actFont.setPointSizeFloat( nTxtHeight );
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}
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TQFontMetrics fm( actFont );
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TQString strMax;
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int maxLabelsWidth = 0;
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for ( TQStringList::Iterator it = labelTexts->begin();
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it != labelTexts->end();
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++it ) {
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if ( fm.width( *it ) > maxLabelsWidth ) {
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maxLabelsWidth = fm.width( *it );
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strMax = *it;
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}
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}
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while ( fm.width( strMax ) > pTextsW
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&& 6.0 < nTxtHeight ) {
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nTxtHeight -= 0.5;
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actFont.setPointSizeFloat( nTxtHeight );
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fm = TQFontMetrics( actFont );
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}
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painter->setFont( actFont );
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}
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double radiusDelta = pDelimDelta;
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labels = labelTexts
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? labelTexts->count()
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: 0;
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if( labels )
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currentRadiusPPU = -radiusDelta;
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for( int iLabel = 0; iLabel < labels; ++iLabel ) {
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//while( currentRadius < maxValue ) {
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//double currentRadiusPPU = currentRadius;
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currentRadiusPPU += radiusDelta;
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double currentRadiusPPU2 = currentRadiusPPU * 2;
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int circularAxisAngle = ( currentRadiusPPU != 0.0 ) ? ( static_cast < int > (4.0 * radiusPPU / currentRadiusPPU) ) : 0;
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if( paraCircular.axisShowGrid() ) {
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painter->setPen( TQPen( paraCircular.axisGridColor(),
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circularGridLineWidth ) );
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painter->drawEllipse( static_cast<int>( center.x() - currentRadiusPPU ),
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static_cast<int>( center.y() - currentRadiusPPU ),
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static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ) );
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}
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if( paraCircular.axisVisible() ) {
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painter->setPen( TQPen( paraCircular.axisLineColor(),
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circularLineWidth ) );
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if( params()->polarDelimAtPos( KDChartEnums::PosTopCenter ) )
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painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
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static_cast<int>( center.y() - currentRadiusPPU ),
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static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
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(90 - circularAxisAngle/2) * 16,
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circularAxisAngle * 16 );
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if( params()->polarDelimAtPos( KDChartEnums::PosBottomCenter ) )
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painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
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static_cast<int>( center.y() - currentRadiusPPU ),
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static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
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(270 - circularAxisAngle/2) * 16,
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circularAxisAngle * 16 );
|
|
|
|
|
|
|
|
|
|
if( params()->polarDelimAtPos( KDChartEnums::PosCenterRight ) )
|
|
|
|
|
painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( center.y() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
|
|
|
|
|
(0 - circularAxisAngle/2) * 16,
|
|
|
|
|
circularAxisAngle * 16 );
|
|
|
|
|
if( params()->polarDelimAtPos( KDChartEnums::PosCenterLeft ) )
|
|
|
|
|
painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( center.y() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
|
|
|
|
|
(180 - circularAxisAngle/2) * 16,
|
|
|
|
|
circularAxisAngle * 16 );
|
|
|
|
|
|
|
|
|
|
if( params()->polarDelimAtPos( KDChartEnums::PosTopRight ) )
|
|
|
|
|
painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( center.y() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
|
|
|
|
|
(45 - circularAxisAngle/2) * 16,
|
|
|
|
|
circularAxisAngle * 16 );
|
|
|
|
|
if( params()->polarDelimAtPos( KDChartEnums::PosBottomLeft ) )
|
|
|
|
|
painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( center.y() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
|
|
|
|
|
(225 - circularAxisAngle/2) * 16,
|
|
|
|
|
circularAxisAngle * 16 );
|
|
|
|
|
|
|
|
|
|
if( params()->polarDelimAtPos( KDChartEnums::PosBottomRight ) )
|
|
|
|
|
painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( center.y() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
|
|
|
|
|
(315 - circularAxisAngle/2) * 16,
|
|
|
|
|
circularAxisAngle * 16 );
|
|
|
|
|
if( params()->polarDelimAtPos( KDChartEnums::PosTopLeft ) )
|
|
|
|
|
painter->drawArc( static_cast<int>( center.x() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( center.y() - currentRadiusPPU ),
|
|
|
|
|
static_cast<int>( currentRadiusPPU2 ), static_cast<int>( currentRadiusPPU2 ),
|
|
|
|
|
(135 - circularAxisAngle/2) * 16,
|
|
|
|
|
circularAxisAngle * 16 );
|
|
|
|
|
}
|
|
|
|
|
if( paraCircular.axisLabelsVisible() ) {
|
|
|
|
|
const bool rotate = params()->polarRotateCircularLabels();
|
|
|
|
|
painter->setPen( TQPen( paraCircular.axisLabelsColor(),
|
|
|
|
|
circularLineWidth ) );
|
|
|
|
|
const TQString& txt = (*labelTexts)[ iLabel ];
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosTopCenter ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 90, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignBottom | TQt::AlignHCenter, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosBottomCenter ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 270, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignTop | TQt::AlignHCenter, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosCenterRight ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 0, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignVCenter | TQt::AlignRight, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosCenterLeft ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 180, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignVCenter | TQt::AlignLeft, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosTopRight ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 45, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignBottom | TQt::AlignRight, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosBottomLeft ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 225, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignTop | TQt::AlignLeft, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosBottomRight ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 315, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignTop | TQt::AlignRight, iLabel );
|
|
|
|
|
|
|
|
|
|
if( params()->polarLabelsAtPos( KDChartEnums::PosTopLeft ) )
|
|
|
|
|
paintCircularAxisLabel( painter, rotate, 135, center, currentRadiusPPU, txt,
|
|
|
|
|
TQt::AlignBottom | TQt::AlignLeft, iLabel );
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
double circularSpan = params()->polarChartSubType() == KDChartParams::PolarPercent
|
|
|
|
|
? 100.0
|
|
|
|
|
: paraCircular.trueAxisHigh() - paraCircular.trueAxisLow();
|
|
|
|
|
double radius = currentRadiusPPU;
|
|
|
|
|
if( !labels
|
|
|
|
|
|| params()->polarChartSubType() == KDChartParams::PolarPercent )
|
|
|
|
|
radius = (position.width() / 2.0) * 1000.0 / 1250.0;
|
|
|
|
|
|
|
|
|
|
if( params()->polarChartSubType() != KDChartParams::PolarPercent )
|
|
|
|
|
pixelsPerUnit = labels ? currentRadiusPPU / circularSpan
|
|
|
|
|
: (position.height() / maxValue / 2.0) * 1000.0 / 1250.0;
|
|
|
|
|
else
|
|
|
|
|
pixelsPerUnit = (position.height() / 100.0 / 2.0) * 1000.0 / 1250.0;
|
|
|
|
|
|
|
|
|
|
// draw the sagittal grid and axis lines
|
|
|
|
|
if( paraSagittal.axisShowGrid()
|
|
|
|
|
|| paraSagittal.axisVisible()
|
|
|
|
|
|| paraSagittal.axisLabelsVisible() ) {
|
|
|
|
|
|
|
|
|
|
// calculate label texts
|
|
|
|
|
TQStringList* labelTexts = 0;
|
|
|
|
|
bool onlyDefaultLabels = true;
|
|
|
|
|
if( paraSagittal.axisLabelsVisible() ) {
|
|
|
|
|
((KDChartParams*)params())->setAxisArea( KDChartAxisParams::AxisPosSagittal,
|
|
|
|
|
TQRect( 0,
|
|
|
|
|
0,
|
|
|
|
|
static_cast < int > ( 2.0 * M_PI * radius ),
|
|
|
|
|
static_cast < int > ( 0.5 * radius ) ) );
|
|
|
|
|
double delimLen = 20.0 * minSizeP1000; // per mille of area
|
|
|
|
|
KDChartAxisParams::AxisPos basicPos;
|
|
|
|
|
TQPoint orig, dest;
|
|
|
|
|
double dDummy;
|
|
|
|
|
double nSubDelimFactor = 0.0;
|
|
|
|
|
double pDelimDelta = 0.0;
|
|
|
|
|
double nTxtHeight = 0.0;
|
|
|
|
|
double pTextsX = 0.0;
|
|
|
|
|
double pTextsY = 0.0;
|
|
|
|
|
double pTextsW = 0.0;
|
|
|
|
|
double pTextsH = 0.0;
|
|
|
|
|
int textAlign = TQt::AlignCenter;
|
|
|
|
|
bool isLogarithmic = false;
|
|
|
|
|
bool isDateTime = false;
|
|
|
|
|
bool autoDtLabels = false;
|
|
|
|
|
TQDateTime dtLow;
|
|
|
|
|
TQDateTime dtHigh;
|
|
|
|
|
KDChartAxisParams::ValueScale dtDeltaScale;
|
|
|
|
|
KDChartAxesPainter::calculateLabelTexts(
|
|
|
|
|
painter,
|
|
|
|
|
*data,
|
|
|
|
|
*params(),
|
|
|
|
|
KDChartAxisParams::AxisPosSagittal,
|
|
|
|
|
minSizeP1000,
|
|
|
|
|
delimLen,
|
|
|
|
|
// start of reference parameters
|
|
|
|
|
basicPos,
|
|
|
|
|
orig,
|
|
|
|
|
dest,
|
|
|
|
|
dDummy,dDummy,dDummy,dDummy,
|
|
|
|
|
nSubDelimFactor,
|
|
|
|
|
pDelimDelta,
|
|
|
|
|
nTxtHeight,
|
|
|
|
|
pTextsX,
|
|
|
|
|
pTextsY,
|
|
|
|
|
pTextsW,
|
|
|
|
|
pTextsH,
|
|
|
|
|
textAlign,
|
|
|
|
|
isLogarithmic,
|
|
|
|
|
isDateTime,
|
|
|
|
|
autoDtLabels,
|
|
|
|
|
dtLow,
|
|
|
|
|
dtHigh,
|
|
|
|
|
dtDeltaScale );
|
|
|
|
|
labelTexts = ( TQStringList* ) paraSagittal.axisLabelTexts();
|
|
|
|
|
// calculate font size
|
|
|
|
|
actFont = paraSagittal.axisLabelsFont();
|
|
|
|
|
if ( paraSagittal.axisLabelsFontUseRelSize() ) {
|
|
|
|
|
actFont.setPointSizeFloat( nTxtHeight );
|
|
|
|
|
}
|
|
|
|
|
TQFontMetrics fm( actFont );
|
|
|
|
|
TQString strMax;
|
|
|
|
|
int maxLabelsWidth = 0;
|
|
|
|
|
for ( TQStringList::Iterator it = labelTexts->begin();
|
|
|
|
|
it != labelTexts->end();
|
|
|
|
|
++it ) {
|
|
|
|
|
if ( fm.width( *it ) > maxLabelsWidth ) {
|
|
|
|
|
maxLabelsWidth = fm.width( *it );
|
|
|
|
|
strMax = *it;
|
|
|
|
|
}
|
|
|
|
|
if ( !(*it).startsWith( "Item ") )
|
|
|
|
|
onlyDefaultLabels = false;
|
|
|
|
|
}
|
|
|
|
|
while ( fm.width( strMax ) > pTextsW && 6.0 < nTxtHeight ) {
|
|
|
|
|
nTxtHeight -= 0.5;
|
|
|
|
|
actFont.setPointSizeFloat( nTxtHeight );
|
|
|
|
|
fm = TQFontMetrics( actFont );
|
|
|
|
|
}
|
|
|
|
|
painter->setFont( actFont );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int currentAngle = params()->polarZeroDegreePos();
|
|
|
|
|
if( -360 > currentAngle
|
|
|
|
|
|| 360 < currentAngle )
|
|
|
|
|
currentAngle = 0;
|
|
|
|
|
if( 0 > currentAngle )
|
|
|
|
|
currentAngle += 360;
|
|
|
|
|
int r1 = static_cast < int > ( radius * 1050 / 1000 );
|
|
|
|
|
int r2 = static_cast < int > ( radius * 1100 / 1000 );
|
|
|
|
|
int r3 = static_cast < int > ( radius * 1175 / 1000 );
|
|
|
|
|
TQPoint pt1, pt2, pt3;
|
|
|
|
|
uint nLabels = labelTexts->count();
|
|
|
|
|
int angleBetweenRays = 360 / nLabels;
|
|
|
|
|
for( uint value = 0; value < nLabels; ++value ) {
|
|
|
|
|
pt1 = center + polarToXY( r1, currentAngle );
|
|
|
|
|
pt2 = center + polarToXY( r2, currentAngle );
|
|
|
|
|
pt3 = center + polarToXY( r3, currentAngle );
|
|
|
|
|
|
|
|
|
|
//pt3 = painter->worldMatrix().map( pt3 );
|
|
|
|
|
|
|
|
|
|
if( paraSagittal.axisShowGrid() ) {
|
|
|
|
|
painter->setPen( TQPen( paraSagittal.axisGridColor(),
|
|
|
|
|
sagittalGridLineWidth ) );
|
|
|
|
|
painter->drawLine( center, pt1 );
|
|
|
|
|
}
|
|
|
|
|
if( paraSagittal.axisVisible() ) {
|
|
|
|
|
painter->setPen( TQPen( paraSagittal.axisLineColor(),
|
|
|
|
|
sagittalLineWidth ) );
|
|
|
|
|
painter->drawLine( pt1, pt2 );
|
|
|
|
|
}
|
|
|
|
|
if( paraSagittal.axisLabelsVisible()
|
|
|
|
|
&& labelTexts
|
|
|
|
|
&& labelTexts->count() > value ) {
|
|
|
|
|
painter->setPen( TQPen( paraSagittal.axisLabelsColor(),
|
|
|
|
|
sagittalLineWidth ) );
|
|
|
|
|
TQString label( onlyDefaultLabels
|
|
|
|
|
? TQString::number( currentAngle )
|
|
|
|
|
: (*labelTexts)[ value ] );
|
|
|
|
|
|
|
|
|
|
KDDrawText::drawRotatedText( painter,
|
|
|
|
|
currentAngle+90,
|
|
|
|
|
painter->worldMatrix().map(pt3),
|
|
|
|
|
label,
|
|
|
|
|
0,
|
|
|
|
|
TQt::AlignCenter );
|
|
|
|
|
}
|
|
|
|
|
currentAngle += angleBetweenRays;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Now draw the data
|
|
|
|
|
int dataLinesWidth = 0 <= params()->polarLineWidth()
|
|
|
|
|
? params()->polarLineWidth()
|
|
|
|
|
: -1 * static_cast < int > ( params()->polarLineWidth()
|
|
|
|
|
* minSizeP1000 );
|
|
|
|
|
painter->setBrush( TQt::NoBrush );
|
|
|
|
|
for ( unsigned int dataset = datasetStart; dataset <= datasetEnd; dataset++ ) {
|
|
|
|
|
painter->setPen( TQPen( params()->dataColor( dataset ),
|
|
|
|
|
dataLinesWidth ) );
|
|
|
|
|
TQPointArray points( numValues );
|
|
|
|
|
int totalPoints = 0;
|
|
|
|
|
double valueTotal = 0.0; // Will only be used for Percent
|
|
|
|
|
int angleBetweenRays = 360 / numValues;
|
|
|
|
|
TQVariant vValY;
|
|
|
|
|
for ( int value = 0; value < numValues; value++ ) {
|
|
|
|
|
if( params()->polarChartSubType() == KDChartParams::PolarPercent )
|
|
|
|
|
valueTotal = data->colAbsSum( value );
|
|
|
|
|
// the value determines the angle, the dataset only the color
|
|
|
|
|
if( data->cellCoord( dataset, value, vValY, 1 ) &&
|
|
|
|
|
TQVariant::Double == vValY.type() ){
|
|
|
|
|
const double cellValue = vValY.toDouble();
|
|
|
|
|
double drawValue;
|
|
|
|
|
if ( params()->polarChartSubType() == KDChartParams::PolarStacked )
|
|
|
|
|
drawValue = ( cellValue + currentValueSums[ value ] ) * pixelsPerUnit;
|
|
|
|
|
else if( params()->polarChartSubType() == KDChartParams::PolarPercent ) {
|
|
|
|
|
drawValue = ( ( cellValue + currentValueSums[ value ] )
|
|
|
|
|
/ valueTotal * static_cast<double>( radius ) );
|
|
|
|
|
} else
|
|
|
|
|
drawValue = cellValue * pixelsPerUnit;
|
|
|
|
|
|
|
|
|
|
// record the point for drawing the polygon later
|
|
|
|
|
int drawAngle = value * angleBetweenRays;
|
|
|
|
|
TQPoint drawPoint( center + polarToXY( static_cast<int>( drawValue ),
|
|
|
|
|
drawAngle ) );
|
|
|
|
|
points.setPoint( totalPoints, drawPoint );
|
|
|
|
|
totalPoints++;
|
|
|
|
|
KDChartDataRegion* datReg = 0;
|
|
|
|
|
// the marker can be drawn now
|
|
|
|
|
if( params()->polarMarker() ) {
|
|
|
|
|
int xsize = params()->polarMarkerSize().width();
|
|
|
|
|
int ysize = params()->polarMarkerSize().height();
|
|
|
|
|
datReg = drawMarker( painter,
|
|
|
|
|
params(),
|
|
|
|
|
_areaWidthP1000, _areaHeightP1000,
|
|
|
|
|
_dataRect.x(), _dataRect.y(),
|
|
|
|
|
params()->polarMarkerStyle( dataset ),
|
|
|
|
|
params()->dataColor( dataset ),
|
|
|
|
|
drawPoint,
|
|
|
|
|
dataset, value, chart,
|
|
|
|
|
regions,
|
|
|
|
|
xsize ? &xsize : 0,
|
|
|
|
|
ysize ? &ysize : 0 );
|
|
|
|
|
painter->setPen( TQPen( params()->dataColor( dataset ),
|
|
|
|
|
dataLinesWidth ) );
|
|
|
|
|
}
|
|
|
|
|
if ( regions ) {
|
|
|
|
|
bool bMustAppendDatReg = 0 == datReg;
|
|
|
|
|
if( bMustAppendDatReg ){
|
|
|
|
|
TQRect rect( TQPoint( drawPoint.x() - 1,
|
|
|
|
|
drawPoint.y() - 1 ),
|
|
|
|
|
TQSize( 3, 3 ) );
|
|
|
|
|
datReg = new KDChartDataRegion( dataset,
|
|
|
|
|
value,
|
|
|
|
|
chart,
|
|
|
|
|
rect );
|
|
|
|
|
}
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ] =
|
|
|
|
|
drawPoint + _dataRect.topLeft();
|
|
|
|
|
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopCenter ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopRight ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosBottomLeft ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosBottomCenter ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosBottomRight ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosCenterLeft ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosCenter ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
datReg->points[ KDChartEnums::PosCenterRight ] =
|
|
|
|
|
datReg->points[ KDChartEnums::PosTopLeft ];
|
|
|
|
|
/*
|
|
|
|
|
// test the center positions:
|
|
|
|
|
painter->drawEllipse( datReg->points[ KDChartEnums::PosCenterLeft ].x() - 2,
|
|
|
|
|
datReg->points[ KDChartEnums::PosCenterLeft ].y() - 2, 5, 5);
|
|
|
|
|
*/
|
|
|
|
|
datReg->startAngle = drawAngle;
|
|
|
|
|
datReg->angleLen = drawAngle;
|
|
|
|
|
if( bMustAppendDatReg )
|
|
|
|
|
regions->append( datReg );
|
|
|
|
|
}
|
|
|
|
|
// calculate running sum for stacked and percent
|
|
|
|
|
if ( params()->polarChartSubType() == KDChartParams::PolarStacked ||
|
|
|
|
|
params()->polarChartSubType() == KDChartParams::PolarPercent )
|
|
|
|
|
currentValueSums[ value ] += cellValue;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
painter->drawPolygon( points );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
painter->translate( -_dataRect.x(), -_dataRect.y() );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
Helper methode being called by KDChartPolarPainter::paintData()
|
|
|
|
|
*/
|
|
|
|
|
void KDChartPolarPainter::paintCircularAxisLabel( TQPainter* painter,
|
|
|
|
|
bool rotate,
|
|
|
|
|
int txtAngle,
|
|
|
|
|
TQPoint center,
|
|
|
|
|
double currentRadiusPPU,
|
|
|
|
|
const TQString& txt,
|
|
|
|
|
int align,
|
|
|
|
|
int step )
|
|
|
|
|
{
|
|
|
|
|
if( !rotate && (0 != (align & (TQt::AlignLeft | TQt::AlignRight) ) ) )
|
|
|
|
|
currentRadiusPPU += center.x()*0.01;
|
|
|
|
|
KDDrawText::drawRotatedText(
|
|
|
|
|
painter,
|
|
|
|
|
rotate ? txtAngle - 90 : 0,
|
|
|
|
|
painter->worldMatrix().map(center - polarToXY( static_cast<int>( currentRadiusPPU ), txtAngle )),
|
|
|
|
|
txt,
|
|
|
|
|
0,
|
|
|
|
|
step
|
|
|
|
|
? (rotate ? TQt::AlignBottom | TQt::AlignHCenter : align)
|
|
|
|
|
: TQt::AlignCenter,
|
|
|
|
|
false,0,false,
|
|
|
|
|
false );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
Draws the marker for one data point according to the specified style.
|
|
|
|
|
|
|
|
|
|
\param painter the painter to draw on
|
|
|
|
|
\param style what kind of marker is drawn (square, diamond or circle)
|
|
|
|
|
\param color the color in which to draw the marker
|
|
|
|
|
\param p the center of the marker
|
|
|
|
|
\param dataset the dataset which this marker represents
|
|
|
|
|
\param value the value which this marker represents
|
|
|
|
|
\param regions a list of regions for data points, a new region for the new
|
|
|
|
|
marker will be appended to this list if it is not 0
|
|
|
|
|
*//*
|
|
|
|
|
void KDChartPolarPainter::drawMarker( TQPainter* painter,
|
|
|
|
|
KDChartParams::PolarMarkerStyle style,
|
|
|
|
|
const TQColor& color,
|
|
|
|
|
const TQPoint& p,
|
|
|
|
|
uint, //dataset,
|
|
|
|
|
uint, //value,
|
|
|
|
|
uint, //chart,
|
|
|
|
|
double minSizeP1000,
|
|
|
|
|
TQRegion& region )
|
|
|
|
|
{
|
|
|
|
|
int xsize = params()->polarMarkerSize().width();
|
|
|
|
|
if ( 0 > xsize )
|
|
|
|
|
xsize = -1 * static_cast < int > ( xsize * minSizeP1000 );
|
|
|
|
|
int ysize = params()->polarMarkerSize().height();
|
|
|
|
|
if ( 0 > ysize )
|
|
|
|
|
ysize = -1 * static_cast < int > ( ysize * minSizeP1000 );
|
|
|
|
|
int xsize2 = xsize / 2;
|
|
|
|
|
int ysize2 = ysize / 2;
|
|
|
|
|
painter->setPen( color );
|
|
|
|
|
switch ( style ) {
|
|
|
|
|
case KDChartParams::PolarMarkerSquare: {
|
|
|
|
|
painter->save();
|
|
|
|
|
painter->setBrush( color );
|
|
|
|
|
TQRect rect( TQPoint( p.x() - xsize2, p.y() - ysize2 ), TQPoint( p.x() + xsize2, p.y() + ysize2 ) );
|
|
|
|
|
painter->drawRect( rect );
|
|
|
|
|
// Don't use rect for drawing after this!
|
|
|
|
|
rect.moveBy( _dataRect.x(), _dataRect.y() );
|
|
|
|
|
region = TQRegion( rect );
|
|
|
|
|
painter->restore();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case KDChartParams::PolarMarkerDiamond: {
|
|
|
|
|
painter->save();
|
|
|
|
|
painter->setBrush( color );
|
|
|
|
|
TQPointArray points( 4 );
|
|
|
|
|
points.setPoint( 0, p.x() - xsize2, p.y() );
|
|
|
|
|
points.setPoint( 1, p.x(), p.y() - ysize2 );
|
|
|
|
|
points.setPoint( 2, p.x() + xsize2, p.y() );
|
|
|
|
|
points.setPoint( 3, p.x(), p.y() + ysize2 );
|
|
|
|
|
painter->drawPolygon( points );
|
|
|
|
|
// Don't use points for drawing after this!
|
|
|
|
|
points.translate( _dataRect.x(), _dataRect.y() );
|
|
|
|
|
region = TQRegion( points );
|
|
|
|
|
painter->restore();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case KDChartParams::PolarMarkerCircle:
|
|
|
|
|
default: {
|
|
|
|
|
painter->save();
|
|
|
|
|
painter->setBrush( color );
|
|
|
|
|
painter->drawEllipse( p.x() - xsize2, p.y() - ysize2, xsize, ysize );
|
|
|
|
|
TQPointArray points;
|
|
|
|
|
points.makeEllipse( p.x() - xsize2, p.y() - ysize2, xsize, ysize );
|
|
|
|
|
// Don't use points for drawing after this!
|
|
|
|
|
points.translate( _dataRect.x(), _dataRect.y() );
|
|
|
|
|
if( points.size() > 0 )
|
|
|
|
|
region = TQRegion( points );
|
|
|
|
|
else
|
|
|
|
|
region = TQRegion();
|
|
|
|
|
painter->restore();
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
}*/
|
|
|
|
|
|
|
|
|
|
#define DEGTORAD(d) (d)*M_PI/180
|
|
|
|
|
|
|
|
|
|
TQPoint KDChartPolarPainter::polarToXY( int radius, int angle )
|
|
|
|
|
{
|
|
|
|
|
double anglerad = DEGTORAD( static_cast<double>( angle ) );
|
|
|
|
|
TQPoint ret( static_cast<int>( cos( anglerad ) * radius ),
|
|
|
|
|
static_cast<int>( sin( anglerad ) * radius ) );
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
This method is a specialization that returns a fallback legend text
|
|
|
|
|
appropriate for polar charts where the fallbacks should come from
|
|
|
|
|
the values, not from the datasets.
|
|
|
|
|
|
|
|
|
|
This method is only used when automatic legends are used, because
|
|
|
|
|
manual and first-column legends do not need fallback texts.
|
|
|
|
|
|
|
|
|
|
\param uint dataset the dataset number for which to generate a
|
|
|
|
|
fallback text
|
|
|
|
|
\return the fallback text to use for describing the specified
|
|
|
|
|
dataset in the legend
|
|
|
|
|
*/
|
|
|
|
|
TQString KDChartPolarPainter::fallbackLegendText( uint dataset ) const
|
|
|
|
|
{
|
|
|
|
|
return TQObject::tr( "Series " ) + TQString::number( dataset + 1 );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
This methods returns the number of elements to be shown in the
|
|
|
|
|
legend in case fallback texts are used.
|
|
|
|
|
|
|
|
|
|
This method is only used when automatic legends are used, because
|
|
|
|
|
manual and first-column legends do not need fallback texts.
|
|
|
|
|
|
|
|
|
|
\return the number of fallback texts to use
|
|
|
|
|
*/
|
|
|
|
|
uint KDChartPolarPainter::numLegendFallbackTexts( KDChartTableDataBase* data ) const
|
|
|
|
|
{
|
|
|
|
|
return data->usedRows();
|
|
|
|
|
}
|
