blob: ab05da348b4e6fef6e219c3b34b0898891fe64a7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
Copyright (C) 2006 Paul Davis
Author: Sampo Savoleinen
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_fft_graph_h
#define __ardour_fft_graph_h
#include "ardour/types.h"
#include <fftw3.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/treemodel.h>
#include <gdkmm/color.h>
#include <glibmm/refptr.h>
#include <string>
#include "fft_result.h"
class AnalysisWindow;
class FFTGraph : public Gtk::DrawingArea
{
public:
FFTGraph(int windowSize);
~FFTGraph();
void set_analysis_window(AnalysisWindow *a_window);
int windowSize() const { return _windowSize; }
void setWindowSize(int windowSize);
void redraw();
bool on_expose_event (GdkEventExpose* event);
void on_size_request(Gtk::Requisition* requisition);
void on_size_allocate(Gtk::Allocation & alloc);
FFTResult *prepareResult(Gdk::Color color, std::string trackname);
void set_show_minmax (bool v) { _show_minmax = v; redraw(); }
void set_show_normalized (bool v) { _show_normalized = v; redraw(); }
private:
void update_size();
void setWindowSize_internal(int windowSize);
void draw_scales(Glib::RefPtr<Gdk::Window> window);
static const int minScaleWidth = 512;
static const int minScaleHeight = 420;
int currentScaleWidth;
int currentScaleHeight;
static const int h_margin = 20;
static const int v_margin = 20;
Glib::RefPtr<Gdk::GC> graph_gc;
int width;
int height;
int _windowSize;
int _dataSize;
Glib::RefPtr<Pango::Layout> layout;
AnalysisWindow *_a_window;
fftwf_plan _plan;
float *_out;
float *_in;
float *_hanning;
int *_logScale;
bool _show_minmax;
bool _show_normalized;
friend class FFTResult;
};
#endif /* __ardour_fft_graph_h */
|
