steroEnhancer, Vibed, and separated Graph widget

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/branches/lmms-mv@699 0778d3d1-df1d-0410-868b-ea421aaaa00d
2008-02-22 08:09:34 +00:00
parent 3e29f447a9
commit 5313f32c56
22 changed files with 1380 additions and 1293 deletions
--- a/include/graph.h
+++ b/include/graph.h
@@ -0,0 +1,149 @@
+/*
+ * graph.h - a QT widget for displaying and manipulating waveforms
+ *
+ * Copyright (c) 2006-2007 Andreas Brandmaier <andy/at/brandmaier/dot/de>
+ *               2008 Paul Giblock <drfaygo/at/gmail/dot/com>
+ * 
+ * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
+ *
+ * This program 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 2 of the License, or (at your option) any later version.
+ *
+ * This program 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 this program (see COPYING); if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#ifndef _GRAPH_H
+#define _GRAPH_H
+
+#include <QtGui/QWidget>
+#include <QtGui/QPixmap>
+#include <QtGui/QCursor>
+
+#include "mv_base.h"
+#include "types.h"
+
+class graphModel;
+class track;
+
+class graph : public QWidget, public modelView
+{
+	Q_OBJECT
+public:
+	graph( QWidget * _parent );
+	virtual ~graph();
+
+	void setForeground( const QPixmap & _pixmap );
+//	void loadSampleFromFile( const QString & _filename );
+
+	virtual inline graphModel * model( void ) {
+		return castModel<graphModel>();
+	}
+
+
+protected:
+	virtual void paintEvent( QPaintEvent * _pe );
+	virtual void dropEvent( QDropEvent * _de );
+	virtual void dragEnterEvent( QDragEnterEvent * _dee );
+	virtual void mousePressEvent( QMouseEvent * _me );
+	virtual void mouseMoveEvent( QMouseEvent * _me );
+	virtual void mouseReleaseEvent( QMouseEvent * _me );
+
+protected slots:
+	void updateGraph(Uint32 _startPos, Uint32 _endPos);
+
+private:
+	virtual void modelChanged( void );
+
+	void changeSampleAt(int _x, int _y);
+
+
+	QPixmap m_foreground;
+	
+	graphModel * m_graphModel;
+	
+	bool m_mouseDown;
+	int m_lastCursorX;
+
+} ;
+
+
+class graphModel : public model
+{
+	Q_OBJECT
+public:
+	graphModel( float _min,
+			float _max,
+			Uint32 _size,
+			:: model * _parent, track * _track = NULL,
+			bool _default_constructed = FALSE );
+
+	virtual ~graphModel();
+
+	// TODO: saveSettings, loadSettings?
+	
+	inline float minValue( void ) const
+	{
+		return( m_minValue );
+	}
+
+	inline float maxValue( void ) const
+	{
+		return( m_maxValue );
+	}
+
+	inline Uint32 length( void ) const
+	{
+		return( m_samples.count() );
+	}
+	
+	inline const float* samples( void ) const
+	{
+		return( m_samples.data() );
+	}
+
+public slots:
+	void setRange( float _min, float _max );
+
+	void setLength( Uint32 _size );
+
+	void setSampleAt( Uint32 _samplePos, float _value );
+	void setSamples( const float * _value );
+
+	void setWaveToSine( void );
+	void setWaveToTriangle( void );
+	void setWaveToSaw( void );
+	void setWaveToSquare( void );
+	void setWaveToNoise( void );
+	//void setWaveToUser( );
+	
+	void smooth( void );
+	void normalize( void );
+
+signals:
+	void lengthChanged( void );
+	void samplesChanged( Uint32 startPos, Uint32 endPos );
+	void rangeChanged( void );
+
+private:
+
+	QVector<float> m_samples;
+	float m_maxValue;
+	float m_minValue;
+
+	friend class graph;
+
+};
+
+#endif