Clementine-audio-player-Mac.../src/analyzers/blockanalyzer.h

66 lines
1.6 KiB
C++

// Maintainer: Max Howell <mac.howell@methylblue.com>, (C) 2003-5
// Copyright: See COPYING file that comes with this distribution
//
#ifndef BLOCKANALYZER_H
#define BLOCKANALYZER_H
#include "analyzerbase.h"
#include <qcolor.h>
class QResizeEvent;
class QMouseEvent;
class QPalette;
/**
* @author Max Howell
*/
class BlockAnalyzer : public Analyzer::Base
{
Q_OBJECT
public:
Q_INVOKABLE BlockAnalyzer( QWidget* );
~BlockAnalyzer();
static const uint HEIGHT;
static const uint WIDTH;
static const uint MIN_ROWS;
static const uint MIN_COLUMNS;
static const uint MAX_COLUMNS;
static const uint FADE_SIZE;
static const char* kName;
protected:
virtual void transform( Scope& );
virtual void analyze( QPainter& p, const Scope& );
virtual void resizeEvent( QResizeEvent* );
virtual void paletteChange( const QPalette& );
void drawBackground();
void determineStep();
private:
QPixmap* bar() { return &m_barPixmap; }
uint m_columns, m_rows; //number of rows and columns of blocks
uint m_y; //y-offset from top of widget
QPixmap m_barPixmap;
QPixmap m_topBarPixmap;
QPixmap m_background;
Scope m_scope; //so we don't create a vector every frame
std::vector<float> m_store; //current bar heights
std::vector<float> m_yscale;
//FIXME why can't I namespace these? c++ issue?
std::vector<QPixmap> m_fade_bars;
std::vector<uint> m_fade_pos;
std::vector<int> m_fade_intensity;
float m_step; //rows to fall per frame
};
#endif