64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
// Maintainer: Max Howell <mac.howell@methylblue.com>, (C) 2003-5
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// Copyright: See COPYING file that comes with this distribution
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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.h>
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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::Base {
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Q_OBJECT
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public:
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Q_INVOKABLE BlockAnalyzer(QWidget*);
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~BlockAnalyzer();
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static const uint HEIGHT;
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static const uint WIDTH;
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static const uint MIN_ROWS;
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static const uint MIN_COLUMNS;
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static const uint MAX_COLUMNS;
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static const uint FADE_SIZE;
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static const char* kName;
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protected:
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virtual void transform(Scope&);
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virtual void analyze(QPainter& p, const Scope&, bool new_frame);
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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* 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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QPixmap m_background;
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Scope 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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float m_step; // rows to fall per frame
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};
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#endif
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