File indexing completed on 2025-01-05 04:25:41

0001 /****************************************************************************************
0002  * Copyright (c) 2003-2005 Max Howell <max.howell@methylblue.com>                       *
0003  * Copyright (c) 2005-2013 Mark Kretschmann <kretschmann@kde.org>                       *
0004  *                                                                                      *
0005  * This program is free software; you can redistribute it and/or modify it under        *
0006  * the terms of the GNU General Public License as published by the Free Software        *
0007  * Foundation; either version 2 of the License, or (at your option) any later           *
0008  * version.                                                                             *
0009  *                                                                                      *
0010  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
0011  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
0012  * PARTICULAR PURPOSE. See the GNU General Pulic License for more details.              *
0013  *                                                                                      *
0014  * You should have received a copy of the GNU General Public License along with         *
0015  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
0016  ****************************************************************************************/
0017 
0018 #ifndef BLOCKANALYZER_H
0019 #define BLOCKANALYZER_H
0020 
0021 #include "AnalyzerBase.h"
0022 
0023 #include <QImage>
0024 #include <QPixmap>
0025 #include <QQuickWindow>
0026 #include <QSharedPointer>
0027 #include <QSize>
0028 
0029 class QPalette;
0030 
0031 class BlockAnalyzer : public Analyzer::Base
0032 {
0033     friend class BlockRenderer;
0034 
0035     Q_OBJECT
0036     Q_PROPERTY(FallSpeed fallSpeed READ fallSpeed WRITE setFallSpeed NOTIFY fallSpeedChanged)
0037     Q_PROPERTY(int columnWidth READ columnWidth WRITE setColumnWidth NOTIFY columnWidthChanged)
0038     Q_PROPERTY(bool showFadebars READ showFadebars WRITE setShowFadebars NOTIFY showFadebarsChanged)
0039 
0040 public:
0041     enum FallSpeed
0042     {
0043         VerySlow = 0,
0044         Slow = 1,
0045         Medium = 2,
0046         Fast = 3,
0047         VeryFast = 4
0048     };
0049     Q_ENUM( FallSpeed )
0050 
0051     explicit BlockAnalyzer( QQuickItem *parent = nullptr );
0052 
0053     Renderer* createRenderer() const override;
0054 
0055     FallSpeed fallSpeed() const { return m_fallSpeed; }
0056     void setFallSpeed( FallSpeed fallSpeed );
0057     int columnWidth() const { return m_columnWidth; }
0058     void setColumnWidth( int columnWidth );
0059     bool showFadebars() const { return m_showFadebars; }
0060     void setShowFadebars( bool showFadebars );
0061 
0062     // Signed ints because most of what we compare them against are ints
0063     static const int BLOCK_HEIGHT = 2;
0064     static const int FADE_SIZE    = 90;
0065 
0066 Q_SIGNALS:
0067     void fallSpeedChanged();
0068     void columnWidthChanged();
0069     void showFadebarsChanged( bool );
0070     void stepChanged( qreal );
0071     void rowsChanged( int );
0072     void columnsChanged( int );
0073     void refreshRateChanged( qreal );
0074 
0075 protected:
0076     void geometryChanged(const QRectF& newGeometry, const QRectF& oldGeometry) override;
0077     Analyzer::Worker* createWorker() const override;
0078     virtual void paletteChange( const QPalette& );
0079 
0080     void drawBackground( const QPalette &palette );
0081     void determineStep();
0082 
0083 private:
0084     void newWindow( QQuickWindow *window );
0085 
0086     int m_columns, m_rows;      //number of rows and columns of blocks
0087     int m_columnWidth;
0088     bool m_showFadebars;
0089     QPixmap m_barPixmap;
0090     QPixmap m_topBarPixmap;
0091     QPixmap m_backgroundPixmap;
0092     QVector<QPixmap> m_fadeBarsPixmaps;
0093     bool m_pixmapsChanged;
0094 
0095     qreal m_step; //rows to fall per frame
0096     FallSpeed m_fallSpeed;
0097 };
0098 
0099 #endif