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Viewing changes to dragonplayer/src/app/analyzer/blockAnalyzer.h

  • Committer: Bazaar Package Importer
  • Author(s): Debian Qt/KDE Maintainers
  • Date: 2011-05-26 02:41:36 UTC
  • mfrom: (0.2.3 upstream)
  • mto: This revision was merged to the branch mainline in revision 108.
  • Revision ID: james.westby@ubuntu.com-20110526024136-jjwsigfy402jhupm
Tags: upstream-4.6.3
Import upstream version 4.6.3

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dragonplayer/src/app/analyzer/blockAnalyzer.h
 
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/****************************************************************************************
 
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 * Copyright (c) 2003-2005 Max Howell <max.howell@methylblue.com>                       *
 
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 *                                                                                      *
 
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 * This program is free software; you can redistribute it and/or modify it under        *
 
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 * the terms of the GNU General Public License as published by the Free Software        *
 
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 * Foundation; either version 2 of the License, or (at your option) any later           *
 
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 * version.                                                                             *
 
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 *                                                                                      *
 
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
 
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
 
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 * PARTICULAR PURPOSE. See the GNU General Pulic License for more details.              *
 
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 *                                                                                      *
 
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 * You should have received a copy of the GNU General Public License along with         *
 
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 * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
 
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 ****************************************************************************************/
 
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#ifndef BLOCKANALYZER_H
 
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#define BLOCKANALYZER_H
 
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#include "analyzerBase.h"
 
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#include <QColor>
 
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//Added by qt3to4:
 
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#include <QResizeEvent>
 
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#include <QMouseEvent>
 
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#include <QContextMenuEvent>
 
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#include <QPixmap>
 
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class QResizeEvent;
 
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class QMouseEvent;
 
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class QPalette;
 
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/**
 
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 * @author Max Howell
 
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 */
 
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class BlockAnalyzer : public Analyzer::Base2D
 
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{
 
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public:
 
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    BlockAnalyzer( QWidget* );
 
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   ~BlockAnalyzer();
 
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   // Signed ints because most of what we compare them against are ints
 
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    static const int HEIGHT      = 2;
 
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    static const int WIDTH       = 4;
 
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    static const int MIN_ROWS    = 3;   //arbituary
 
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    static const int MIN_COLUMNS = 32;  //arbituary
 
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    static const int MAX_COLUMNS = 256; //must be 2**n
 
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    static const int FADE_SIZE   = 90;
 
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protected:
 
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    virtual void transform( QVector<float>& );
 
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    virtual void analyze( const QVector<float>& );
 
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    virtual void paintEvent( QPaintEvent* );
 
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    virtual void resizeEvent( QResizeEvent* );
 
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    virtual void paletteChange( const QPalette& );
 
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    void drawBackground();
 
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    void determineStep();
 
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private:
 
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    QPixmap* const bar() { return &m_barPixmap; }
 
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    uint m_columns, m_rows;      //number of rows and columns of blocks
 
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    uint m_y;                    //y-offset from top of widget
 
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    QPixmap m_barPixmap;
 
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    QPixmap m_topBarPixmap;
 
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    QVector<float> m_scope;               //so we don't create a vector every frame
 
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    std::vector<float> m_store;  //current bar heights
 
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    std::vector<float> m_yscale;
 
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    //FIXME why can't I namespace these? c++ issue?
 
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    std::vector<QPixmap> m_fade_bars;
 
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    std::vector<uint>    m_fade_pos;
 
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    std::vector<int>     m_fade_intensity;
 
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    QPixmap              m_background;
 
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    float m_step; //rows to fall per frame
 
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};
 
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#endif