| 1 |
/*************************************************************************** |
| 2 |
* Copyright (c) 1998-2000 Peter Alm, Mikael Alm, Olle Hallnas * |
| 3 |
* Thomas Nilsson and 4Front Technologies * |
| 4 |
* (c) 2004 Mark Kretschmann <markey@web.de> * |
| 5 |
* * |
| 6 |
* This program is free software; you can redistribute it and/or modify * |
| 7 |
* it under the terms of the GNU General Public License as published by * |
| 8 |
* the Free Software Foundation; either version 2 of the License, or * |
| 9 |
* (at your option) any later version. * |
| 10 |
* * |
| 11 |
* This program is distributed in the hope that it will be useful, * |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 |
* GNU General Public License for more details. * |
| 15 |
* * |
| 16 |
* You should have received a copy of the GNU General Public License * |
| 17 |
* along with this program; if not, write to the * |
| 18 |
* Free Software Foundation, Inc., * |
| 19 |
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 20 |
***************************************************************************/ |
| 21 |
|
| 22 |
#ifndef AMAROK_EQUALIZERGRAPH_H |
| 23 |
#define AMAROK_EQUALIZERGRAPH_H |
| 24 |
|
| 25 |
#include <QtGui/QWidget> //baseclass |
| 26 |
|
| 27 |
class QPaintEvent; |
| 28 |
class QPixmap; |
| 29 |
class QResizeEvent; |
| 30 |
|
| 31 |
|
| 32 |
class EqualizerGraph : public QWidget |
| 33 |
{ |
| 34 |
public: |
| 35 |
EqualizerGraph( QWidget* parent ); |
| 36 |
~EqualizerGraph(); |
| 37 |
QSize sizeHint() const; |
| 38 |
|
| 39 |
protected: |
| 40 |
void resizeEvent( QResizeEvent* ); |
| 41 |
void paintEvent( QPaintEvent* ); |
| 42 |
|
| 43 |
private: |
| 44 |
static const int NUM_BANDS = 10; |
| 45 |
|
| 46 |
void drawBackground(); |
| 47 |
|
| 48 |
void init_spline( float* x, float* y, int n, float* y2 ); |
| 49 |
float eval_spline( float xa[], float ya[], float y2a[], int n, float x ); |
| 50 |
|
| 51 |
QPixmap* m_backgroundPixmap; |
| 52 |
}; |
| 53 |
|
| 54 |
|
| 55 |
#endif /*AMAROK_EQUALIZERGRAPH_H*/ |