KD Chart 2  [rev.2.5]
KDChartPlotter_p.cpp
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00001 /****************************************************************************
00002 ** Copyright (C) 2001-2012 Klaralvdalens Datakonsult AB.  All rights reserved.
00003 **
00004 ** This file is part of the KD Chart library.
00005 **
00006 ** Licensees holding valid commercial KD Chart licenses may use this file in
00007 ** accordance with the KD Chart Commercial License Agreement provided with
00008 ** the Software.
00009 **
00010 **
00011 ** This file may be distributed and/or modified under the terms of the
00012 ** GNU General Public License version 2 and version 3 as published by the
00013 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
00014 **
00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 **
00018 ** Contact info@kdab.com if any conditions of this licensing are not
00019 ** clear to you.
00020 **
00021 **********************************************************************/
00022 
00023 #include "KDChartPlotter_p.h"
00024 #include "KDChartPlotter.h"
00025 
00026 #include "KDChartPainterSaver_p.h"
00027 #include "KDChartValueTrackerAttributes.h"
00028 #include "PaintingHelpers_p.h"
00029 
00030 using namespace KDChart;
00031 
00032 Plotter::Private::Private( const Private& rhs )
00033     : QObject()
00034     , AbstractCartesianDiagram::Private( rhs )
00035     , useCompression( rhs.useCompression )
00036 {
00037 }
00038 
00039 void Plotter::Private::init()
00040 {
00041     AbstractCartesianDiagram::Private::init();
00042     useCompression = Plotter::NONE;
00043 }
00044 
00045 void Plotter::Private::setCompressorResolution(
00046     const QSizeF& size,
00047     const AbstractCoordinatePlane* plane )
00048 {
00049     compressor.setResolution( static_cast<int>( size.width()  * plane->zoomFactorX() ),
00050                               static_cast<int>( size.height() * plane->zoomFactorY() ) );
00051 }
00052 
00053 void Plotter::Private::changedProperties()
00054 {
00055     if ( CartesianCoordinatePlane* plane = dynamic_cast< CartesianCoordinatePlane* > ( diagram->coordinatePlane() ) )
00056     {
00057         QPair< qreal, qreal > verticalRange = plane->verticalRange();
00058         if ( verticalRange.first != verticalRange.second )
00059             implementor->plotterCompressor().setForcedDataBoundaries( verticalRange, Qt::Vertical );
00060         QPair< qreal, qreal > horizontalRange = plane->horizontalRange();
00061         if ( verticalRange.first != horizontalRange.second )
00062             implementor->plotterCompressor().setForcedDataBoundaries( horizontalRange, Qt::Horizontal );
00063     }
00064 }
00065 
00066 AttributesModel* Plotter::PlotterType::attributesModel() const
00067 {
00068     return m_private->attributesModel;
00069 }
00070 
00071 ReverseMapper& Plotter::PlotterType::reverseMapper()
00072 {
00073     return m_private->reverseMapper;
00074 }
00075 
00076 Plotter* Plotter::PlotterType::diagram() const
00077 {
00078     return static_cast< Plotter* >( m_private->diagram );
00079 }
00080 
00081 void Plotter::PlotterType::addLabel( LabelPaintCache *lpc,
00082                                      const QModelIndex& index, const PositionPoints& points,
00083                                      const Position& autoPositionPositive,
00084                                      const Position& autoPositionNegative, qreal value )
00085 {
00086     m_private->addLabel( lpc, index, 0, points, autoPositionPositive, autoPositionNegative, value );
00087 }
00088 
00089 CartesianDiagramDataCompressor& Plotter::PlotterType::compressor() const
00090 {
00091     return m_private->compressor;
00092 }
00093 
00094 PlotterDiagramCompressor& Plotter::PlotterType::plotterCompressor() const
00095 {
00096     return m_private->plotterCompressor;
00097 }
00098 
00099 Plotter::CompressionMode Plotter::PlotterType::useCompression() const
00100 {
00101     return m_private->useCompression;
00102 }
00103 
00104 void Plotter::PlotterType::setUseCompression( Plotter::CompressionMode value )
00105 {
00106     m_private->useCompression = value;
00107 }
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