File indexing completed on 2024-05-12 15:54:18

 /*
  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
  *
  * This file is part of the KD Chart library.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include "KChartPalette.h"
 
 #include "KChartMath_p.h"
 
 #include <QBrush>
 #include <QVector>
 
 using namespace KChart;
 
 namespace {
 
     static Palette makeDefaultPalette() {
         Palette p;
 
         p.addBrush( Qt::red );
         p.addBrush( Qt::green );
         p.addBrush( Qt::blue );
         p.addBrush( Qt::cyan );
         p.addBrush( Qt::magenta );
         p.addBrush( Qt::yellow );
         p.addBrush( Qt::darkRed );
         p.addBrush( Qt::darkGreen );
         p.addBrush( Qt::darkBlue );
         p.addBrush( Qt::darkCyan );
         p.addBrush( Qt::darkMagenta );
         p.addBrush( Qt::darkYellow );
 
         return p;
     }
 
     static Palette makeSubduedPalette() {
         Palette p;
 
         p.addBrush( QColor( 0xe0,0x7f,0x70 ) );
         p.addBrush( QColor( 0xe2,0xa5,0x6f ) );
         p.addBrush( QColor( 0xe0,0xc9,0x70 ) );
         p.addBrush( QColor( 0xd1,0xe0,0x70 ) );
         p.addBrush( QColor( 0xac,0xe0,0x70 ) );
         p.addBrush( QColor( 0x86,0xe0,0x70 ) );
         p.addBrush( QColor( 0x70,0xe0,0x7f ) );
         p.addBrush( QColor( 0x70,0xe0,0xa4 ) );
         p.addBrush( QColor( 0x70,0xe0,0xc9 ) );
         p.addBrush( QColor( 0x70,0xd1,0xe0 ) );
         p.addBrush( QColor( 0x70,0xac,0xe0 ) );
         p.addBrush( QColor( 0x70,0x86,0xe0 ) );
         p.addBrush( QColor( 0x7f,0x70,0xe0 ) );
         p.addBrush( QColor( 0xa4,0x70,0xe0 ) );
         p.addBrush( QColor( 0xc9,0x70,0xe0 ) );
         p.addBrush( QColor( 0xe0,0x70,0xd1 ) );
         p.addBrush( QColor( 0xe0,0x70,0xac ) );
         p.addBrush( QColor( 0xe0,0x70,0x86 ) );
 
         return p;
     }
 
     static Palette makeRainbowPalette() {
         Palette p;
 
         p.addBrush( QColor(255,  0,196) );
         p.addBrush( QColor(255,  0, 96) );
         p.addBrush( QColor(255, 128,64) );
         p.addBrush( Qt::yellow );
         p.addBrush( Qt::green );
         p.addBrush( Qt::cyan );
         p.addBrush( QColor( 96, 96,255) );
         p.addBrush( QColor(160,  0,255) );
         for ( int i = 8 ; i < 16 ; ++i ) {
             p.addBrush( p.getBrush( i - 8 ).color().lighter(), i );
         }
         return p;
     }
 
 }
 
 #define d d_func()
 
 class Q_DECL_HIDDEN Palette::Private
 {
 public:
     explicit Private() {}
     ~Private() {}
 
     QVector<QBrush> brushes;
 };
 
 const Palette& Palette::defaultPalette()
 {
     static const Palette palette = makeDefaultPalette();
     return palette;
 }
 
 const Palette& Palette::subduedPalette()
 {
     static const Palette palette = makeSubduedPalette();
     return palette;
 }
 
 const Palette& Palette::rainbowPalette()
 {
     static const Palette palette = makeRainbowPalette();
     return palette;
 }
 
 Palette::Palette( QObject *parent )
   : QObject( parent ), _d( new Private )
 {
 
 }
 
 Palette::~Palette()
 {
     delete _d; _d = nullptr;
 }
 
 
 
 Palette::Palette( const Palette& r )
     : QObject(), _d( new Private( *r.d ) )
 {
 }
 
 Palette& Palette::operator=( const Palette& r )
 {
     Palette copy( r );
     copy.swap( *this );
 
     // Q_EMIT changed() ?
     return *this;
 }
 
 bool Palette::isValid() const
 {
   return d->brushes.size() >= 1;
 }
 
 int Palette::size() const
 {
   return d->brushes.size();
 }
 
 void Palette::addBrush( const QBrush& brush, int position )
 {
   if ( position < 0 || position >= size() ) {
     d->brushes.append( brush );
   } else {
     d->brushes.insert( position, brush );
   }
   Q_EMIT changed();
 }
 
 QBrush Palette::getBrush( int position ) const
 {
   if ( !isValid() ) return QBrush();
   return d->brushes.at( position % size() );
 }
 
 void Palette::removeBrush( int position )
 {
   if ( position < 0 || position >= size() ) return;
   d->brushes.remove( position );
   Q_EMIT changed();
 }