KD Chart 2
[rev.2.5]
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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 "KDChartPalette.h" 00024 #include <QBrush> 00025 #include <QVector> 00026 00027 #include <KDABLibFakes> 00028 00029 using namespace KDChart; 00030 00031 namespace { 00032 00033 static Palette makeDefaultPalette() { 00034 Palette p; 00035 00036 p.addBrush( Qt::red ); 00037 p.addBrush( Qt::green ); 00038 p.addBrush( Qt::blue ); 00039 p.addBrush( Qt::cyan ); 00040 p.addBrush( Qt::magenta ); 00041 p.addBrush( Qt::yellow ); 00042 p.addBrush( Qt::darkRed ); 00043 p.addBrush( Qt::darkGreen ); 00044 p.addBrush( Qt::darkBlue ); 00045 p.addBrush( Qt::darkCyan ); 00046 p.addBrush( Qt::darkMagenta ); 00047 p.addBrush( Qt::darkYellow ); 00048 00049 return p; 00050 } 00051 00052 static Palette makeSubduedPalette() { 00053 Palette p; 00054 00055 p.addBrush( QColor( 0xe0,0x7f,0x70 ) ); 00056 p.addBrush( QColor( 0xe2,0xa5,0x6f ) ); 00057 p.addBrush( QColor( 0xe0,0xc9,0x70 ) ); 00058 p.addBrush( QColor( 0xd1,0xe0,0x70 ) ); 00059 p.addBrush( QColor( 0xac,0xe0,0x70 ) ); 00060 p.addBrush( QColor( 0x86,0xe0,0x70 ) ); 00061 p.addBrush( QColor( 0x70,0xe0,0x7f ) ); 00062 p.addBrush( QColor( 0x70,0xe0,0xa4 ) ); 00063 p.addBrush( QColor( 0x70,0xe0,0xc9 ) ); 00064 p.addBrush( QColor( 0x70,0xd1,0xe0 ) ); 00065 p.addBrush( QColor( 0x70,0xac,0xe0 ) ); 00066 p.addBrush( QColor( 0x70,0x86,0xe0 ) ); 00067 p.addBrush( QColor( 0x7f,0x70,0xe0 ) ); 00068 p.addBrush( QColor( 0xa4,0x70,0xe0 ) ); 00069 p.addBrush( QColor( 0xc9,0x70,0xe0 ) ); 00070 p.addBrush( QColor( 0xe0,0x70,0xd1 ) ); 00071 p.addBrush( QColor( 0xe0,0x70,0xac ) ); 00072 p.addBrush( QColor( 0xe0,0x70,0x86 ) ); 00073 00074 return p; 00075 } 00076 00077 static Palette makeRainbowPalette() { 00078 Palette p; 00079 00080 p.addBrush( QColor(255, 0,196) ); 00081 p.addBrush( QColor(255, 0, 96) ); 00082 p.addBrush( QColor(255, 128,64) ); 00083 p.addBrush( Qt::yellow ); 00084 p.addBrush( Qt::green ); 00085 p.addBrush( Qt::cyan ); 00086 p.addBrush( QColor( 96, 96,255) ); 00087 p.addBrush( QColor(160, 0,255) ); 00088 for ( int i = 8 ; i < 16 ; ++i ) { 00089 p.addBrush( p.getBrush( i - 8 ).color().light(), i ); 00090 } 00091 return p; 00092 } 00093 00094 } 00095 00096 #define d d_func() 00097 00098 class Palette::Private 00099 { 00100 public: 00101 explicit Private() {} 00102 ~Private() {} 00103 00104 QVector<QBrush> brushes; 00105 }; 00106 00107 const Palette& Palette::defaultPalette() 00108 { 00109 static const Palette palette = makeDefaultPalette(); 00110 return palette; 00111 } 00112 00113 const Palette& Palette::subduedPalette() 00114 { 00115 static const Palette palette = makeSubduedPalette(); 00116 return palette; 00117 } 00118 00119 const Palette& Palette::rainbowPalette() 00120 { 00121 static const Palette palette = makeRainbowPalette(); 00122 return palette; 00123 } 00124 00125 Palette::Palette( QObject *parent ) 00126 : QObject( parent ), _d( new Private ) 00127 { 00128 00129 } 00130 00131 Palette::~Palette() 00132 { 00133 delete _d; _d = 0; 00134 } 00135 00136 00137 00138 Palette::Palette( const Palette& r ) 00139 : QObject(), _d( new Private( *r.d ) ) 00140 { 00141 } 00142 00143 Palette& Palette::operator=( const Palette& r ) 00144 { 00145 Palette copy( r ); 00146 copy.swap( *this ); 00147 00148 // emit changed() ? 00149 return *this; 00150 } 00151 00152 bool Palette::isValid() const 00153 { 00154 return d->brushes.size() >= 1; 00155 } 00156 00157 int Palette::size() const 00158 { 00159 return d->brushes.size(); 00160 } 00161 00162 void Palette::addBrush( const QBrush& brush, int position ) 00163 { 00164 if ( position < 0 || position >= size() ) { 00165 d->brushes.append( brush ); 00166 } else { 00167 d->brushes.insert( position, brush ); 00168 } 00169 emit changed(); 00170 } 00171 00172 QBrush Palette::getBrush( int position ) const 00173 { 00174 if ( !isValid() ) return QBrush(); 00175 return d->brushes.at( position % size() ); 00176 } 00177 00178 void Palette::removeBrush( int position ) 00179 { 00180 if ( position < 0 || position >= size() ) return; 00181 d->brushes.remove( position ); 00182 emit changed(); 00183 } 00184