86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*
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Strawberry Music Player
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This file was part of Amarok.
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Copyright 2003-2005, Max Howell <max.howell@methylblue.com>
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Copyright 2005, Mark Kretschmann <markey@web.de>
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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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Strawberry 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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Strawberry 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 Strawberry. 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 <QtGlobal>
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#include <QObject>
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#include <QVector>
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#include <QString>
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#include <QPixmap>
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#include <QPainter>
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#include <QPalette>
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#include "analyzerbase.h"
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class QWidget;
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class QResizeEvent;
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class BlockAnalyzer : public AnalyzerBase {
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Q_OBJECT
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public:
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Q_INVOKABLE explicit BlockAnalyzer(QWidget*);
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static const int kHeight;
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static const int kWidth;
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static const int kMinRows;
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static const int kMinColumns;
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static const int kMaxColumns;
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static const int kFadeSize;
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static const char *kName;
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protected:
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void transform(Scope&) override;
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void analyze(QPainter &p, const Scope&, bool new_frame) override;
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void resizeEvent(QResizeEvent*) override;
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virtual void paletteChange(const QPalette&);
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void framerateChanged() override;
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void drawBackground();
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void determineStep();
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private:
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QPixmap *bar() { return &barpixmap_; }
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int columns_, rows_; // number of rows and columns of blocks
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int y_; // y-offset from top of widget
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QPixmap barpixmap_;
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QPixmap topbarpixmap_;
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QPixmap background_;
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QPixmap canvas_;
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Scope scope_; // so we don't create a vector every frame
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QVector<double> store_; // current bar heights
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QVector<double> yscale_;
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QVector<QPixmap> fade_bars_;
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QVector<int> fade_pos_;
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QVector<int> fade_intensity_;
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double step_; // rows to fall per frame
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};
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#endif // BLOCKANALYZER_H
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