1 /*
2   ZynAddSubFX - a software synthesizer
3 
4   Fl_EQGraph.H - Equalizer Graphical View
5   Copyright (C) 2016 Mark McCurry
6 
7   This program is free software; you can redistribute it and/or
8   modify it under the terms of the GNU General Public License
9   as published by the Free Software Foundation; either version 2
10   of the License, or (at your option) any later version.
11 */
12 #pragma once
13 #include "Fl_Osc_Widget.H"
14 #include <FL/Fl_Box.H>
15 #include "../globals.h"
16 
17 class EffectMgr;
18 class Fl_Osc_Interface;
19 class Fl_EQGraph:public Fl_Box, public Fl_Osc_Widget
20 {
21     public:
22         Fl_EQGraph(int x,int y, int w, int h, const char *label=0);
23         virtual ~Fl_EQGraph(void);
24         void draw(void);
25 
26         void OSC_raw(const char *msg);
27         void update(void);
28 
29     private:
30         void draw_freq_line(float freq,int type);
31 
32         double getresponse(int maxy,float freq) const;
33 
34         float getfreqx(float x) const;
35         float getfreqpos(float freq) const;
36 
37         float samplerate;
38         float gain;
39         float num[MAX_EQ_BANDS*MAX_FILTER_STAGES*3];
40         float dem[MAX_EQ_BANDS*MAX_FILTER_STAGES*3];
41 };
42