65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2013 Mark McCurry */
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/* Copyright (C) 2013 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include <FL/Fl_Box.H>
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class SpectrumView : public Fl_Box
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{
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static unsigned int _sample_rate;
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static float _fmin;
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static float _fmax;
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unsigned int _nframes;
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float * _data;
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float * _bands;
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float _dbmin;
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float _dbmax;
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bool _auto_level;
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void draw_curve ( void );
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void draw_semilog ( void );
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void analyze_data ( unsigned int plan_size );
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void clear_bands ( void );
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static void clear_plans ( void );
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public:
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static void sample_rate ( unsigned int sample_rate );
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/* set dB range. If min == max, then auto leveling will be enabled */
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void db_range ( float min, float max )
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{
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_dbmin = min;
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_dbmax = max;
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_auto_level = min == max;
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}
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/** /data/ must point to allocated memory. It will be freed when new data is set or when the control is destroyed */
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void data ( float *data, unsigned int data_frames );
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SpectrumView ( int X, int Y, int W, int H, const char *L=0 );
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virtual ~SpectrumView ( );
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virtual void resize ( int X, int Y, int W, int H );
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virtual void draw ( void );
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};
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