68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
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/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.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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#ifndef NYANCATANALYZER_H
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#define NYANCATANALYZER_H
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#include "analyzerbase.h"
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#include <QDateTime>
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class NyanCatAnalyzer : public Analyzer::Base {
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Q_OBJECT
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public:
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Q_INVOKABLE NyanCatAnalyzer(QWidget* parent);
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static const char* kName;
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void timerEvent(QTimerEvent* e);
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protected:
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void transform( Scope& );
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void analyze( QPainter& p, const Analyzer::Scope& );
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private:
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static const int kCatHeight = 21;
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static const int kCatWidth = 34;
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static const int kCatFrameCount = 5;
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static const int kRainbowOverlap = 13;
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static const int kHistorySize = 256;
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static const int kRainbowBands = 6;
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static const float kPixelScale = 0.01;
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static const int kFrameIntervalMs = 150;
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private:
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inline QRect CatSourceRect() const {
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return QRect(0, kCatHeight * frame_, kCatWidth, kCatHeight);
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}
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private:
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QPixmap cat_;
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int timer_id_;
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int frame_;
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float history_[kHistorySize * kRainbowBands];
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QPen colors_[kRainbowBands];
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};
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#endif // NYANCATANALYZER_H
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