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dl-fldigi/src/waterfall/digiscope.cxx

349 wiersze
7.5 KiB
C++
Czysty Wina Historia

// ----------------------------------------------------------------------------
// digiscope.cxx, Miniature Oscilloscope/Phasescope Widget
//
// Copyright (C) 2006
// Dave Freese, W1HKJ
//
// This file is part of fldigi. Adapted from code contained in gmfsk source code
// distribution.
// gmfsk Copyright (C) 2001, 2002, 2003
// Tomi Manninen (oh2bns@sral.fi)
// Copyright (C) 2004
// Lawrence Glaister (ve7it@shaw.ca)
//
// fldigi 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.
//
// fldigi 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 fldigi; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// ----------------------------------------------------------------------------
#include <config.h>
#include "digiscope.h"
#include "modem.h"
#include <iostream>
#include "qrunner.h"
Digiscope::Digiscope (int X, int Y, int W, int H) :
Fl_Widget (X, Y, W, H) {
_phase = _flo = _fhi = _amp = 0.0;
box(FL_DOWN_BOX);
vidbuf = new unsigned char[ 3 * (W-4) * (H-4)];
vidline = new unsigned char[ 3 * (W-4)];
_highlight = false;
_len = MAX_LEN;
}
Digiscope::~Digiscope()
{
if (vidbuf) delete [] vidbuf;
if (vidline) delete [] vidline;
}
void Digiscope::video(double *data, int len )
{
if (data == NULL || len == 0)
return;
FL_LOCK_D();
int W = w() - 4;
int H = h() - 4;
// video signal display
// if (len < W)
// for (int i = 0; i < W; i++)
// vidline[3*i] = vidline[3*i+1] =
// vidline[3*i+2] = (unsigned char)(data[i * W / len]);
// else
for (int i = 0; i < W; i++)
vidline[3*i] = vidline[3*i+1] =
vidline[3*i+2] = (unsigned char)(data[i * len / W]);
vidline[3*W/2] = 255;
vidline[3*W/2+1] = 0;
vidline[3*W/2+2] = 0;
if (linecnt == H) {
linecnt--;
unsigned char *p = &vidbuf[3*W];
memmove (vidbuf, p, 3*(W * (H-1))*sizeof(unsigned char));
memcpy (&vidbuf[3*W*(H-1)], vidline, 3*W * sizeof (unsigned char));
}
else
memcpy (&vidbuf[3*W*linecnt], vidline, 3*W * sizeof(unsigned char));
linecnt++;
REQ(&Digiscope::redraw, this);
FL_UNLOCK_D();
FL_AWAKE_D();
}
void Digiscope::data(double *data, int len, bool scale)
{
if (data == 0) {
memset(_buf, 0, MAX_LEN * sizeof(*_buf));
return;
}
if (len == 0)
return;
FL_LOCK_D();
if (len > MAX_LEN) _len = MAX_LEN;
else _len = len;
memcpy(_buf, data, len * sizeof(double));
if (scale) {
double max = 1E-6;
double min = 1E6;
for (int i = 0; i < _len; i++) {
max = MAX(max, _buf[i]);
min = MIN(min, _buf[i]);
}
for (int i = 0; i < _len; i++)
if (_buf[i] > 0.01) // threshold
_buf[i] = (_buf[i] - min) / (max - min);
else
_buf[i] = 0.0;
}
REQ(&Digiscope::redraw, this);
FL_UNLOCK_D();
FL_AWAKE_D();
}
void Digiscope::phase(double ph, bool hl)
{
FL_LOCK_D();
_phase = ph;
_highlight = hl;
REQ(&Digiscope::redraw, this);
FL_UNLOCK_D();
FL_AWAKE_D();
}
void Digiscope::rtty(double flo, double fhi, double amp)
{
FL_LOCK_D();
_flo = flo;
_fhi = fhi;
_amp = amp;
REQ(&Digiscope::redraw, this);
FL_UNLOCK_D();
FL_AWAKE_D();
}
void Digiscope::mode(scope_mode md)
{
int W = w() - 4;
int H = h() - 4;
FL_LOCK_D();
_mode = md;
memset(_buf, 0, MAX_LEN * sizeof(double));
linecnt = 0;
memset (vidbuf, 0, 3*W*H * sizeof (unsigned char) );
memset (vidline, 0, 3*W*sizeof(unsigned char) );
vidline[3*W/2] = 255;
vidline[3*W/2+1] = 0;
vidline[3*W/2+2] = 0;
for (int i = 0; i < H; i++)
memcpy(&vidbuf[3*W*i], vidline, 3*W*sizeof(unsigned char) );
REQ(&Digiscope::redraw, this);
FL_UNLOCK_D();
FL_AWAKE_D();
}
void Digiscope::draw_phase()
{
fl_translate(x() + w() / 2.0, y() + w() / 2.0);
fl_scale( 0.9*w()/2, -0.9*w()/2);
fl_color(FL_WHITE);
fl_circle( 0.0, 0.0, 1.0);
fl_begin_line();
fl_vertex(-1.0, 0.0);
fl_vertex(-0.9, 0.0);
fl_end_line();
fl_begin_line();
fl_vertex(1.0, 0.0);
fl_vertex(0.9, 0.0);
fl_end_line();
fl_begin_line();
fl_vertex(0.0, -1.0);
fl_vertex(0.0, -0.9);
fl_end_line();
fl_begin_line();
fl_vertex(0.0, 1.0);
fl_vertex(0.0, 0.9);
fl_end_line();
fl_color(FL_GREEN);
if (_highlight) {
fl_begin_line();
fl_vertex(0.0, 0.0);
fl_vertex(0.9 * cos(_phase - M_PI / 2), 0.9 * sin( _phase - M_PI / 2));
fl_end_line();
} else {
fl_circle( 0.0, 0.0, 0.1);
}
}
void Digiscope::draw_crosshairs()
{
double phi, xp, yp;
fl_translate(x() + w() / 2.0, y() + w() / 2.0);
fl_scale( 0.9*w()/2, -0.9*w()/2);
fl_color(FL_WHITE);
fl_circle( 0.0, 0.0, 1.0);
fl_begin_line();
fl_vertex(-1.0, 0.0);
fl_vertex(-0.9, 0.0);
fl_end_line();
fl_begin_line();
fl_vertex(1.0, 0.0);
fl_vertex(0.9, 0.0);
fl_end_line();
fl_begin_line();
fl_vertex(0.0, -1.0);
fl_vertex(0.0, -0.9);
fl_end_line();
fl_begin_line();
fl_vertex(0.0, 1.0);
fl_vertex(0.0, 0.9);
fl_end_line();
fl_color(FL_GREEN);
phi = (_fhi - 1.0)*M_PI/4.0;
xp = 0.9*cos(phi); yp = 0.9*sin(phi);
fl_begin_line();
fl_vertex(-xp, -yp);
fl_vertex( xp, yp);
fl_end_line();
fl_color(FL_RED);
phi = M_PI / 2.0 + (_flo + 1.0)*M_PI/4.0; // -
xp = 0.9*cos(phi); yp = 0.9*sin(phi);
fl_begin_line();
fl_vertex(-xp, -yp);
fl_vertex( xp, yp);
fl_end_line();
}
void Digiscope::draw_scope()
{
int npts;
npts = MIN(w(), _len);
npts = MAX(1, npts);
fl_translate(x()+2, y() + h() - 2);
fl_scale ((w()-4), - (h() - 4));
fl_color(FL_GREEN);
fl_begin_line();
for (int i = 0; i < npts; i++)
fl_vertex( (double)i / npts, _buf[i * _len / npts] );
fl_end_line();
}
void Digiscope::draw_rtty()
{
int npts;
npts = MIN(w(), _len);
npts = MAX(1, npts);
fl_translate(x()+2, y() + h() - 2);
fl_scale ((w()-4), - (h() - 4));
fl_color(FL_YELLOW);
fl_begin_line();
fl_vertex( 0.0, 0.9);
fl_vertex( 1.0, 0.9);
fl_end_line();
fl_begin_line();
fl_vertex( 0.0, 0.1);
fl_vertex( 1.0, 0.1);
fl_end_line();
fl_color(FL_GREEN);
fl_begin_line();
for (int i = 0; i < npts; i++)
fl_vertex( (double)i / npts, 0.5 + 0.75 * _buf[i * _len / npts] );
fl_end_line();
}
void Digiscope::draw_video()
{
fl_draw_image(
vidbuf,
x() + 2, y() + 2,
w() - 4, h() - 4);//,
// 3, 3* (w() - 4));
}
void Digiscope::draw()
{
draw_box();
if (_mode == WWV || _mode == DOMWF)
draw_video();
else {
fl_clip(x()+2,y()+2,w()-4,h()-4);
fl_color(FL_BLACK);
fl_rectf(x()+2,y()+2,w()-4,h()-4);
fl_push_matrix();
switch (_mode) {
case SCOPE : draw_scope(); break;
case PHASE : draw_phase(); break;
case RTTY : draw_rtty(); break;
case XHAIRS : draw_crosshairs(); break;
case DOMDATA : draw_scope(); break;
case BLANK :
default: break;
}
fl_pop_matrix();
fl_pop_clip();
}
}
int Digiscope::handle(int event)
{
if (!Fl::event_inside(this))
return 0;
switch (event) {
case FL_RELEASE:
switch (_mode) {
case RTTY:
_mode = XHAIRS;
break;
case XHAIRS:
_mode = RTTY;
break;
case DOMDATA:
_mode = DOMWF;
break;
case DOMWF:
_mode = DOMDATA;
break;
case WWV:
event = Fl::event_button();
if (event == FL_LEFT_MOUSE)
wwv_modem->set1(Fl::event_x() - x(), w());
else if (event == FL_RIGHT_MOUSE)
wwv_modem->set2(Fl::event_x() - x(), Fl::event_y() - y());
break;
default:
break;
}
return 1;
case FL_MOUSEWHEEL:
change_modem_param(FL_CTRL);
break;
default:
break;
}
return 1;
}
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