/
spectwin.cc
1373 lines (1179 loc) · 34.4 KB
/
spectwin.cc
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// -------------------------------------------------------------------------
//
// Copyright (C) 2004-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// 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.
//
// -------------------------------------------------------------------------
#include <stdlib.h>
#include <stdio.h>
#include <clxclient.h>
#include <X11/keysym.h>
#include <math.h>
#include "styles.h"
#include "spectwin.h"
#include "messages.h"
const char *Spectwin::_formats [9] = { "%1.0f", "%2.1f", "%3.2f",
"%1.0fk", "%2.1fk", "%3.2fk",
"%1.0fM", "%2.1fM", "%3.2fM" };
const char *Spectwin::_notes[12] = { "C", "C#,Db", "D", "D#,Eb", "E", "F",
"F#,Gb", "G", "Ab,G#", "A", "Bb,A#", "B" };
Spectwin::Spectwin (X_window *parent, X_resman *xres, ITC_ctrl *audio) :
X_window (parent, XPOS, YPOS, XDEF, YDEF, Colors.main_bg), _xs (XDEF), _ys (YDEF), _running (1),
_audio (audio), _input (-1), _drag (0), _p_ind (-1), _ngx (0), _ngy (0), _fftplan (0), _fftlen (64)
{
int x, y;
X_hints H;
_atoms [0] = XInternAtom (dpy (), "WM_DELETE_WINDOW", True);
_atoms [1] = XInternAtom (dpy (), "WM_TAKE_FOCUS", True);
XSetWMProtocols (dpy (), win (), _atoms, 2);
_wmpro = XInternAtom (dpy (), "WM_PROTOCOLS", True);
H.position (XPOS, YPOS);
H.minsize (XMIN, YMIN);
H.maxsize (XMAX, YMAX);
H.rname (xres->rname ());
H.rclas (xres->rclas ());
H.input (True);
x_apply (&H);
x_add_events (ExposureMask | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | StructureNotifyMask);
_plotwin = new X_window (this, LMAR, TMAR, XDEF - LMAR - RMAR, YDEF - TMAR - BMAR, Colors.spect_bg);
_plotmap = XCreatePixmap (dpy (), _plotwin->win (), XDEF - LMAR - RMAR, YDEF - TMAR - BMAR, disp ()->depth ());
_plotgct = XCreateGC (dpy (), _plotmap, 0, NULL);
XSetWindowBackgroundPixmap (dpy (), _plotwin->win (), _plotmap);
_plotwin->x_map ();
x = XDEF - RMAR + 3;
y = 20;
_butt [IP1] = new X_tbutton (this, this, &Bst0, x , y, "1", 0, IP1);
_butt [IP2] = new X_tbutton (this, this, &Bst0, x + 19, y, "2", 0, IP2);
_butt [IP3] = new X_tbutton (this, this, &Bst0, x + 38, y, "3", 0, IP3);
_butt [IP4] = new X_tbutton (this, this, &Bst0, x + 57, y, "4", 0, IP4);
y += Bst1.size.y + 2;
_butt [IP5] = new X_tbutton (this, this, &Bst0, x , y, "5", 0, IP5);
_butt [IP6] = new X_tbutton (this, this, &Bst0, x + 19, y, "6", 0, IP6);
_butt [IP7] = new X_tbutton (this, this, &Bst0, x + 38, y, "7", 0, IP7);
_butt [IP8] = new X_tbutton (this, this, &Bst0, x + 57, y, "8", 0, IP8);
y += Bst1.size.y + 25;
Bst1.size.x = RMAR - 6;
_butt [BANDW] = new X_tbutton (this, this, &Bst1, x, y, "Bandw", 0, BANDW);
y += Bst1.size.y;
_butt [VIDAV] = new X_tbutton (this, this, &Bst1, x, y, "Vid.Av", 0, VIDAV);
y += Bst1.size.y;
_butt [PEAKH] = new X_tbutton (this, this, &Bst1, x, y, "Pk Hold", 0, PEAKH);
y += Bst1.size.y;
_butt [FREEZ] = new X_tbutton (this, this, &Bst1, x, y, "Freeze", 0, FREEZ);
y += Bst1.size.y + 25;
_butt [MCLR] = new X_tbutton (this, this, &Bst1, x, y, "Clear", 0, MCLR);
y += Bst1.size.y;
_butt [MPEAK] = new X_tbutton (this, this, &Bst1, x, y, "Peak", 0, MPEAK);
y += Bst1.size.y;
_butt [MNSE] = new X_tbutton (this, this, &Bst1, x, y, "Noise", 0, MNSE);
y += Bst1.size.y + 25;
_butt [FMIN] = new X_tbutton (this, this, &Bst1, x, y, "Min", 0, FMIN);
y += Bst1.size.y;
_butt [FMAX] = new X_tbutton (this, this, &Bst1, x, y, "Max", 0, FMAX);
y += Bst1.size.y;
_butt [FCENT] = new X_tbutton (this, this, &Bst1, x, y, "Cent", 0, FCENT);
y += Bst1.size.y;
_butt [FSPAN] = new X_tbutton (this, this, &Bst1, x, y, "Span", 0, FSPAN);
y += Bst1.size.y + 25;
_butt [AMAX] = new X_tbutton (this, this, &Bst1, x, y, "Max", 0, AMAX);
y += Bst1.size.y;
_butt [ASPAN] = new X_tbutton (this, this, &Bst1, x, y, "Range", 0, ASPAN);
y += Bst1.size.y + 25;
_txt1 = new X_textip (this, this, &Tst1, x, y, RMAR - 6, 18, 16);
_txt1->x_set_win_gravity (NorthEastGravity);
_txt1->x_mapraised ();
Bst0.size.x = 15;
Bst0.size.y = 15;
y += 22;
_butt [BTDN] = new X_ibutton (this, this, &Bst0, x + RMAR - 38, y, disp ()->image1515 (X_display::IMG_LT), BTDN);
_butt [BTUP] = new X_ibutton (this, this, &Bst0, x + RMAR - 23, y, disp ()->image1515 (X_display::IMG_RT), BTUP);
Bst0.size.x = 17;
Bst0.size.y = 17;
y += 47;
_butt [OP1] = new X_tbutton (this, this, &Bst0, x , y, "1", 0, OP1);
_butt [OP2] = new X_tbutton (this, this, &Bst0, x + 19, y, "2", 0, OP2);
_butt [OP3] = new X_tbutton (this, this, &Bst0, x + 38, y, "3", 0, OP3);
_butt [OP4] = new X_tbutton (this, this, &Bst0, x + 57, y, "4", 0, OP4);
y += 19;
_butt [OP5] = new X_tbutton (this, this, &Bst0, x , y, "5", 0, OP5);
_butt [OP6] = new X_tbutton (this, this, &Bst0, x + 19, y, "6", 0, OP6);
_butt [OP7] = new X_tbutton (this, this, &Bst0, x + 38, y, "7", 0, OP7);
_butt [OP8] = new X_tbutton (this, this, &Bst0, x + 57, y, "8", 0, OP8);
Bst0.size.x = 27;
Bst0.size.y = 17;
y += 24;
_butt [NSACT] = new X_tbutton (this, this, &Bst0, XDEF - 30, y, "On", 0, NSACT);
y += Bst0.size.y + 4;
_butt [NSLEV] = new X_tbutton (this, this, &Bst1, x, y, "Level", 0, NSLEV);
y += Bst0.size.y + 8;
_butt [SIACT] = new X_tbutton (this, this, &Bst0, XDEF - 30, y, "On", 0, SIACT);
y += Bst0.size.y + 4;
_butt [SILEV] = new X_tbutton (this, this, &Bst1, x, y, "Ampl", 0, SILEV);
y += Bst1.size.y;
_butt [SFREQ] = new X_tbutton (this, this, &Bst1, x, y, "Freq", 0, SFREQ);
for (int i = 0; i < NBUTT; i++)
{
_butt [i]->x_set_win_gravity (NorthEastGravity);
_butt [i]->x_map ();
}
_ipbuf = (float *) fftwf_malloc (BUF_LEN * sizeof (float));
_fftbuf = (float *) fftwf_malloc (FFT_MAX * sizeof (float));
_trbuf = (fftwf_complex *) fftwf_malloc ((FFT_MAX / 2 + 9) * sizeof (fftwf_complex));
_power = new float [FFT_MAX + 1]; //!!!
_spect = new Spectdata (disp()->xsize() - LMAR - RMAR);
_spect->_npix = XDEF - LMAR - RMAR;
_spect->_bits = 0;
_spect->_avcnt = 0;
_spect->_avmax = 1000;
set_input (0);
_g_bits = 0;
_a_ns = -20;
_a_si = -20;
_f_si = 1000.0;
const char *p;
int minfreq, maxfreq;
float a4;
p = xres->get (".minfreq", 0);
if (! p || sscanf (p, "%d", &minfreq) != 1) minfreq = 0;
_spect->_f0 = _f0 = minfreq;
p = xres->get (".maxfreq", 0);
if (! p || sscanf (p, "%d", &maxfreq) != 1) maxfreq = 8000;
_spect->_f1 = _f1 = maxfreq;
p = xres->get (".a4", 0);
if (! p || sscanf (p, "%f", &a4) != 1) a4 = 440.0f;
_a4 = a4;
}
Spectwin::~Spectwin (void)
{
if (_fftplan) fftwf_destroy_plan (_fftplan);
delete _spect;
delete[] _power;
fftwf_free (_trbuf);
fftwf_free (_fftbuf);
fftwf_free (_ipbuf);
XFreePixmap (dpy (), _plotmap);
XFreeGC (dpy (), _plotgct);
}
void Spectwin::handle_event (XEvent *E)
{
switch (E->type)
{
case Expose:
expose ((XExposeEvent *) E);
break;
case ButtonPress:
bpress ((XButtonEvent *) E);
break;
case MotionNotify:
motion ((XPointerMovedEvent *) E);
break;
case ButtonRelease:
brelse ((XButtonEvent *) E);
break;
case ConfigureNotify:
resize ((XConfigureEvent *) E);
break;
case ClientMessage:
message ((XClientMessageEvent *) E);
break;
}
}
void Spectwin::handle_callb (int k, X_window *W, _XEvent *E )
{
X_tbutton *B;
int i;
char c;
switch (k)
{
case X_callback::TEXTIP | X_textip::BUT:
_txt1->enable ();
break;
case X_callback::TEXTIP | X_textip::KEY:
if (_txt1->key () == XK_Return)
{
if (sscanf (_txt1->text (), "%f%c", &_p_val, &c) >= 1)
{
if (c == 'k') _p_val *= 1e3;
if (c == 'M') _p_val *= 1e6;
switch (_p_ind)
{
case BANDW: set_bw (_p_val); break;
case FMIN: set_f0 (_p_val); break;
case FMAX: set_f1 (_p_val); break;
case FCENT: set_fc (_p_val); break;
case FSPAN: set_fs (_p_val); break;
case AMAX: set_a1 (_p_val); break;
case ASPAN: set_ar (_p_val); break;
case NSLEV: set_a_ns (_p_val); break;
case SILEV: set_a_si (_p_val); break;
case SFREQ: set_f_si (_p_val); break;
}
}
show_param ();
}
break;
case BUTTON | X_button::PRESS:
B = (X_tbutton *) W;
switch (i = B->cbid ())
{
case IP1:
case IP2:
case IP3:
case IP4:
case IP5:
case IP6:
case IP7:
case IP8:
set_input (i - IP1);
break;
case BANDW:
case MPEAK:
case MNSE:
case FMIN:
case FMAX:
case FCENT:
case FSPAN:
case AMAX:
case ASPAN:
case NSLEV:
case SILEV:
case SFREQ:
set_param (i);
break;
case VIDAV:
if (B->stat ())
{
B->set_stat (0);
_spect->_avcnt = 0;
}
else
{
B->set_stat (2);
_butt [PEAKH]->set_stat (0);
_spect->_avcnt = 1;
_spect->_bits &= ~Spectdata::PEAKH;
}
break;
case PEAKH:
if (B->stat ())
{
B->set_stat (0);
_spect->_bits &= ~Spectdata::PEAKH;
}
else
{
B->set_stat (2);
_butt [VIDAV]->set_stat (0);
_spect->_bits |= Spectdata::PEAKH;
_spect->_avcnt = 0;
}
break;
case FREEZ:
if (B->stat ())
{
B->set_stat (0);
_spect->_bits &= ~Spectdata::FREEZE;
}
else
{
B->set_stat (2);
_spect->_bits |= Spectdata::FREEZE;
}
break;
case MCLR:
clr_mark ();
if (_spect->_bits & Spectdata::FREEZE) update ();
break;
case BTUP:
case BTDN:
mod_param (i == BTUP);
break;
case OP1:
case OP2:
case OP3:
case OP4:
case OP5:
case OP6:
case OP7:
case OP8:
case NSACT:
case SIACT:
set_output (i - OP1);
break;
}
break;
}
}
void Spectwin::message (XClientMessageEvent *E)
{
if (E->message_type == _wmpro)
{
if (E->data.l [0] == (long) _atoms [0])
{
_running = false;
}
else if (E->data.l [0] == (long)_atoms [1])
{
// _txt1->enable ();
}
}
}
void Spectwin::expose (XExposeEvent *E)
{
if (E->count == 0) redraw ();
}
void Spectwin::resize (XConfigureEvent *E)
{
_xs = E->width;
_ys = E->height;
if (_xs > XMAX) _xs = XMAX;
if (_ys > YMAX) _ys = YMAX;
_plotwin->x_resize (_xs - LMAR - RMAR, _ys - TMAR - BMAR);
XFreePixmap (dpy (), _plotmap);
XFreeGC (dpy (), _plotgct);
_plotmap = XCreatePixmap (dpy (), _plotwin->win (), _xs - LMAR - RMAR, _ys - TMAR - BMAR, disp ()->depth ());
_plotgct = XCreateGC (dpy (), _plotmap, 0, NULL);
XSetWindowBackgroundPixmap (dpy (), _plotwin->win (), _plotmap);
_spect->_npix = _xs - LMAR - RMAR;
_ngx = _ngy = 0;
plot_clear ();
redraw ();
}
void Spectwin::redraw (void)
{
X_draw D (dpy (), win (), dgc (), xft ());
D.setcolor (XftColors.main_fg);
D.setfont (XftFonts.button);
D.clearwin ();
D.move (_xs - RMAR + 2, 15);
D.drawstring ("Input", -1);
D.move (_xs - RMAR + 2, 75);
D.drawstring ("Analyser", -1);
D.move (_xs - RMAR + 2, 168);
D.drawstring ("Markers", -1);
D.move (_xs - RMAR + 2, 244);
D.drawstring ("Frequency", -1);
D.move (_xs - RMAR + 2, 338);
D.drawstring ("Amplitude", -1);
D.move (_xs - RMAR + 2, 465);
D.drawstring ("Output", -1);
D.move (_xs - RMAR + 2, 525);
D.drawstring ("Noise", -1);
D.move (_xs - RMAR + 2, 572);
D.drawstring ("Sine", -1);
plot_fscale ();
plot_ascale ();
update ();
}
void Spectwin::update (void)
{
calc_spect (_spect);
plot_clear ();
if (_spect->_bits & (Spectdata::YP_VAL | Spectdata::YM_VAL))
{
plot_spect (_spect);
plot_grid ();
plot_annot (_spect);
}
_plotwin->x_clear ();
}
void Spectwin::bpress (XButtonEvent *E)
{
float f;
if (E->subwindow)
{
if (E->button == Button4) mod_param (true);
else if (E->button == Button5) mod_param (false);
else if (_butt [MPEAK]->stat ())
{
set_mark (calcfreq (E->x), false);
if (_spect->_bits & Spectdata::FREEZE) update ();
}
else if (_butt [MNSE]->stat ())
{
set_mark (calcfreq (E->x), true);
if (_spect->_bits & Spectdata::FREEZE) update ();
}
else
{
_xd = E->x;
_yd = E->y;
_drag = true;
if (E->button == Button1)
{
switch (_p_ind)
{
case FMAX: set_param (FMIN); break;
case FSPAN: set_param (FCENT); break;
case ASPAN: set_param (AMAX); break;
}
}
else if (E->button == Button3)
{
switch (_p_ind)
{
case FMIN: set_param (FMAX) ; break;
case FCENT: set_param (FSPAN); break;
case AMAX: set_param (ASPAN); break;
}
}
}
}
else if (E->y > _ys - BMAR)
{
f = calcfreq (E->x);
if (E->button == Button1)
{
if ((f > _f0) && (f < _f1)) set_fc (f);
}
else if (E->button == Button3) {}
}
}
void Spectwin::motion (XPointerMovedEvent *E)
{
if (! _drag) return;
switch (_p_ind)
{
case FMIN:
case FMAX:
case FCENT:
case FSPAN:
while (E->x - _xd > 15) { mod_param (true); _xd += 15; }
while (E->x - _xd < -15) { mod_param (false); _xd -= 15; }
break;
case AMAX:
case ASPAN:
while (E->y - _yd > 15) { mod_param (false); _yd += 15; }
while (E->y - _yd < -15) { mod_param (true); _yd -= 15; }
break;
}
}
void Spectwin::brelse (XButtonEvent *E)
{
_drag = false;
}
void Spectwin::set_fsamp (float fsamp, bool symm)
{
_fsamp = fsamp;
_fmin = 0;
_fmax = 0.5 * fsamp;
// _spect->_f0 = _f0 = _fmin;
// _spect->_f1 = _f1 = _fmax;
_fc = 0.5 * (_fmin + _fmax);
_fm = 0.001 * fsamp;
_bmin = 2 * fsamp / FFT_MAX;
_bmax = 2 * fsamp / FFT_MIN;
set_bw (_bmax / 16);
_amin = -200;
_amax = 10;
_a0 = -100;
_a1 = 0;
set_param (BANDW);
_ngx = 0;
_ngy = 0;
x_map ();
XFlush (dpy ());
}
void Spectwin::set_input (int i)
{
if (_input >= 0) _butt [_input + IP1]->set_stat (0);
_butt [_input = i]->set_stat (2);
_spect->_bits |= Spectdata::RESET;
_audio->put_event (EV_MESG, new M_input (_input));
}
void Spectwin::set_output (int i)
{
int on;
on = _butt [i + OP1]->stat () ^ 2;
if (on) _g_bits |= (1 << i);
else _g_bits &= ~(1 << i);
_butt [i + OP1]->set_stat (on);
send_genp ();
}
void Spectwin::set_param (int i)
{
if (_p_ind >= 0) _butt [_p_ind]->set_stat (0);
_butt [_p_ind = i]->set_stat (1);
_txt1->set_text ("");
switch (i)
{
case BANDW: _p_val = _bw; break;
case FMIN: _p_val = _f0; break;
case FMAX: _p_val = _f1; break;
case FCENT: _p_val = _fc; break;
case FSPAN: _p_val = _f1 - _f0; break;
case AMAX: _p_val = _a1; break;
case ASPAN: _p_val = _a1 - _a0; break;
case NSLEV: _p_val = _a_ns; break;
case SILEV: _p_val = _a_si; break;
case SFREQ: _p_val = _f_si; break;
default: _p_val = 0;
}
show_param ();
}
void Spectwin::mod_param (bool inc)
{
float df = inc ? _df : -_df;
float da = inc ? _da : -_da;
switch (_p_ind)
{
case SILEV:
if (inc) set_a_si (_a_si + 0.1f);
else set_a_si (_a_si - 0.1f);
break;
case BANDW: set_bw ((inc ? 2.0 : 0.5) * _bw); break;
case FMIN: set_f0 (_f0 + df); break;
case FMAX: set_f1 (_f1 + df); break;
case FCENT: set_fc (_fc + df); break;
case FSPAN: set_fs (_f1 - _f0 + 2 * df); break;
case AMAX: set_a1 (_a1 + da); break;
case ASPAN: set_ar (_a1 - _a0 + da); break;
}
show_param ();
}
void Spectwin::set_bw (float bw)
{
if (bw > _bmax) bw = _bmax;
if (bw < _bmin) bw = _bmin;
_spect->_bw = _p_val = _bw = bw;
_spect->_bits &= ~(Spectdata::YP_VAL | Spectdata::YM_VAL);
alloc_fft (_spect);
}
void Spectwin::set_f0 (float f)
{
if (f > _f1 - _fm) f = _f1 - _fm;
else if (f < _fmin) f = _fmin;
if (f != _f0)
{
_spect->_f0 = _p_val = _f0 = f;
_fc = 0.5 * (_f0 + _f1);
_ngx = 0;
redraw ();
}
}
void Spectwin::set_f1 (float f)
{
if (f < _f0 + _fm) f = _f0 + _fm;
else if (f > _fmax) f = _fmax;
if (f != _f1)
{
_spect->_f1 = _p_val = _f1 = f;
_fc = 0.5 * (_f0 + _f1);
_ngx = 0;
redraw ();
}
}
void Spectwin::set_fc (float f)
{
float d = _fc - _f0;
_f0 += f - _fc;
_f1 += f - _fc;
if (_f0 < _fmin) { _f0 = _fmin; _f1 = _f0 + 2 * d; }
if (_f1 > _fmax) { _f1 = _fmax; _f0 = _f1 - 2 * d; }
_p_val = _fc = 0.5 * (_f0 + _f1);
_spect->_f0 = _f0;
_spect->_f1 = _f1;
_ngx = 0;
redraw ();
}
void Spectwin::set_fs (float f)
{
if (f < 0.001 * (_fmax - _fmin)) f = 0.001 * (_fmax - _fmin);
_f0 = _fc - 0.5 * f;
_f1 = _fc + 0.5 * f;
if (_f0 < _fmin) { _f0 = _fmin; _f1 = 2 * _fc - _f0; }
if (_f1 > _fmax) { _f1 = _fmax; _f0 = 2 * _fc - _f1; }
_p_val = _f1 - _f0;
_spect->_f0 = _f0;
_spect->_f1 = _f1;
_ngx = 0;
redraw ();
}
void Spectwin::set_a1 (float a)
{
float d = _a1 - _a0;
_a1 = a;
_a0 = _a1 - d;
if (_a1 > _amax) { _a1 = _amax; _a0 = _a1 - d; }
if (_a0 < _amin) { _a0 = _amin; _a1 = _a0 + d; }
_p_val = _a1;
_ngy = 0;
redraw ();
}
void Spectwin::set_ar (float a)
{
_a0 = _a1 - a;
if (_a0 < _amin) _a0 = _amin;
if (_a0 > _a1 - 5) _a0 = _a1 - 5;
_p_val = _a1 - _a0;
_ngy = 0;
redraw ();
}
void Spectwin::set_a_ns (float a)
{
_a_ns = a;
send_genp ();
}
void Spectwin::set_a_si (float a)
{
_p_val = _a_si = a;
send_genp ();
show_param ();
}
void Spectwin::set_f_si (float a)
{
_f_si = a;
send_genp ();
}
void Spectwin::send_genp (void)
{
M_genpar *X = new M_genpar ();
X->_g_bits = _g_bits;
X->_a_noise = _a_ns;
X->_a_sine = _a_si;
X->_f_sine = _f_si;
_audio->put_event (EV_MESG, X);
}
void Spectwin::set_mark (float f, bool nse)
{
if (_spect->_bits & Spectdata::MK1_SET)
{
_spect->_mk2f = f;
_spect->_bits |= Spectdata::MK2_SET;
if (nse) _spect->_bits |= Spectdata::MK2_NSE;
else _spect->_bits &= ~Spectdata::MK2_NSE;
}
else
{
_spect->_mk1f = f;
_spect->_bits |= Spectdata::MK1_SET;
if (nse) _spect->_bits |= Spectdata::MK1_NSE;
else _spect->_bits &= ~Spectdata::MK1_NSE;
}
}
void Spectwin::clr_mark (void)
{
_spect->_bits &= ~(Spectdata::MK1_SET | Spectdata::MK2_SET);
}
float Spectwin::calcfreq (int x)
{
return _f0 + (_f1 - _f0) * (x - LMAR) / (_xs - LMAR - RMAR);
}
void Spectwin::show_param (void)
{
char s [16];
*s = 0;
switch (_p_ind)
{
case BANDW:
case FMIN:
case FMAX:
case FCENT:
case FSPAN:
case SFREQ:
if (_p_val < 1e3) sprintf (s, "%5.3f", _p_val);
else if (_p_val < 1e6) sprintf (s, "%5.3fk", _p_val / 1e3);
else sprintf (s, "%5.3fM", _p_val / 1e6);
break;
case AMAX:
case ASPAN:
sprintf (s, "%1.0f dB", _p_val);
break;
case NSLEV:
case SILEV:
sprintf (s, "%2.1f dB", _p_val);
break;
}
_txt1->set_text (s);
_txt1->clear_modified ();
}
void Spectwin::plot_fscale (void)
{
int i, j, k0, k1, x;
float f, g, xr;
char s [16];
X_draw D (dpy (), win (), dgc (), xft ());
D.setcolor (XftColors.spect_sc);
D.setfont (XftFonts.scales);
D.setfunc (GXcopy);
xr = _xs - LMAR - RMAR - 1;
if (! _ngx)
{
f = fabs (_f0);
g = fabs (_f1);
if (g > f) f = g;
if (f > 2e6f) i = 6;
else if (f > 2e3f) i = 3;
else i = 0;
_funit = powf (10.0f, i);
f = 80 * (_f1 - _f0) / xr;
f /= _funit;
if (f < 0.01f) _df = 0.01f;
else if (f < 0.02f) _df = 0.02f;
else if (f < 0.05f) _df = 0.05f;
else if (f < 0.1f) _df = 0.1f;
else if (f < 0.2f) _df = 0.2f;
else if (f < 0.5f) _df = 0.5f;
else if (f < 1) _df = 1;
else if (f < 2) _df = 2;
else if (f < 5) _df = 5;
else if (f < 10) _df = 10;
else if (f < 20) _df = 20;
else if (f < 50) _df = 50;
else if (f < 100) _df = 100;
else if (f < 200) _df = 200;
else _df = 500;
if (_df < 1.0f) i++;
if (_df < 0.1f) i++;
_fform = _formats [i];
_df *= 0.5f * _funit;
}
k0 = (int)(ceilf (_f0 / _df));
k1 = (int)(floorf (_f1 / _df));
j = 0;
for (i = k0; i <= k1; i++)
{
f = i * _df;
x = (int)((f - _f0) / (_f1 - _f0) * xr + 0.5f);
sprintf (s, _fform, f / _funit);
D.move (x + LMAR, _ys - BMAR);
D.rdraw (0, 5);
if (! (i & 1))
{
if (! _ngx) _grx [j++] = x;
D.rmove (0, 10);
D.drawstring (s, 0);
}
}
if (! _ngx) _ngx = j;
}
void Spectwin::plot_ascale (void)
{
int i, j, k0, k1, y;
float a, yr;
char s [16];
X_draw D (dpy (), win (), dgc (), xft ());
D.setfont (XftFonts.scales);
D.setcolor (XftColors.spect_sc);
D.setfunc (GXcopy);
yr = _ys - TMAR - BMAR - 1;
if (! _ngy)
{
a = 60 * (_a1 - _a0) / yr;
if (a < 1) _da = 1;
else if (a < 2) _da = 2;
else if (a < 5) _da = 5;
else if (a < 10) _da = 10;
else _da = 20;
}
k0 = (int)(ceil (_a0 / _da));
k1 = (int)(floor (_a1 / _da));
j = 0;
for (i = k0; i <= k1; i++)
{
a = i * _da;
y = (int)(yr - (a - _a0) / (_a1 - _a0) * yr + 0.5);
sprintf (s, "%1.0f", a);
D.move (LMAR, y + TMAR);
D.rdraw (-5, 0);
if (! _ngy) _gry [j++] = y;
D.rmove (-3, 4);
D.drawstring (s, 1);
}
if (! _ngy) _ngy = j;
}
void Spectwin::plot_clear (void)
{
X_draw D (dpy (), _plotmap, _plotgct, 0);
D.setcolor (Colors.spect_bg);
D.fillrect (0, 0, _xs, _ys);
}
void Spectwin::plot_grid (void)
{
int i;
X_draw D (dpy (), _plotmap, _plotgct, 0);
D.setcolor (Colors.spect_gr ^ Colors.spect_bg);
D.setfunc (GXxor);
for (i = 0; i < _ngx; i++)
{
D.move (_grx [i], 0);
D.rdraw (0, _ys);
}
for (i = 0; i < _ngy; i++)
{
D.move (0, _gry [i]);
D.rdraw (_xs, 0);
}
}
void Spectwin::plot_spect (Spectdata *Z)
{
int i, n, x, y;
XPoint P [XMAX - LMAR - RMAR];
float sx, ry, sy, v;
X_draw D (dpy (), _plotmap, _plotgct, 0);
D.setline (0);
D.setfunc (GXcopy);
ry = _ys - TMAR - BMAR - 1;
sy = ry / (_a1 - _a0);
if (Z->_bits & Spectdata::YM_VAL)
{
D.setcolor (Colors.spect_pkA);
for (i = n = 0; i < Z->_npix; i++)
{
if (Z->_ym [i] >= 0)
{
v = 10 * log10f (Z->_ym [i] + 1e-30f);
P [n].x = i;
P [n++].y = (int)(ry - (v - _a0) * sy + 0.5f);
}
}
D.drawlines (n, P);
}
if (Z->_bits & Spectdata::YP_VAL)
{
D.setcolor (Colors.spect_trA);
for (i = n = 0; i < Z->_npix; i++)
{