83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/* This file is part of Clementine.
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Copyright 2003-2005, Max Howell <max.howell@methylblue.com>
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Copyright 2009-2010, David Sansome <davidsansome@gmail.com>
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Copyright 2010, 2014, John Maguire <john.maguire@gmail.com>
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Copyright 2014, Mark Furneaux <mark@romaco.ca>
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Copyright 2014, Krzysztof A. Sobiecki <sobkas@gmail.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Original Author: Max Howell <max.howell@methylblue.com> 2003-2005
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*/
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#ifndef ANALYZERS_BLOCKANALYZER_H_
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#define ANALYZERS_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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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(Analyzer::Scope&);
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virtual void analyze(QPainter& p, const Analyzer::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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virtual void framerateChanged();
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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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QPixmap canvas_;
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Analyzer::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 // ANALYZERS_BLOCKANALYZER_H_
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