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

83 lines
2.5 KiB
C++

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