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signalcurve.cpp
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signalcurve.cpp
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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2010 - 2023 Teunis van Beelen
*
* Email: teuniz@protonmail.com
*
***************************************************************************
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
***************************************************************************
*/
#include "signalcurve.h"
#include "time.h"
SignalCurve::SignalCurve(QWidget *w_parent) : QWidget(w_parent)
{
int i;
mainwindow = (UI_Mainwindow *)w_parent;
setAttribute(Qt::WA_OpaquePaintEvent);
SignalColor[0] = Qt::blue;
SignalColor[1] = Qt::blue;
SignalColor[2] = Qt::blue;
SignalColor[3] = Qt::blue;
tracewidth = 0;
BackgroundColor = Qt::gray;
RasterColor = Qt::darkGray;
TextColor = Qt::black;
smallfont.setFamily("Arial");
smallfont.setPixelSize(8);
trig_line_timer = new QTimer(this);
trig_line_timer->setSingleShot(true);
trig_stat_timer = new QTimer(this);
#if QT_VERSION >= 0x050000
trig_line_timer->setTimerType(Qt::PreciseTimer);
trig_stat_timer->setTimerType(Qt::PreciseTimer);
#endif
bufsize = 0;
bordersize = 60;
v_sense = 1;
mouse_x = 0;
mouse_y = 0;
mouse_old_x = 0;
mouse_old_y = 0;
label_active = LABEL_ACTIVE_NONE;
for(i=0; i<MAX_CHNS; i++)
{
chan_arrow_moving[i] = 0;
chan_arrow_pos[i] = 127;
chan_tmp_y_pixel_offset[i] = 0;
chan_tmp_old_y_pixel_offset[i] = 0;
}
trig_level_arrow_moving = 0;
trig_pos_arrow_moving = 0;
fft_arrow_pos = 0;
fft_arrow_moving = 0;
trig_line_visible = 0;
trig_stat_flash = 0;
trig_level_arrow_pos = 127;
trig_pos_arrow_pos = 100;
use_move_events = 0;
updates_enabled = true;
old_w = 10000;
devparms = NULL;
device = NULL;
connect(trig_line_timer, SIGNAL(timeout()), this, SLOT(trig_line_timer_handler()));
connect(trig_stat_timer, SIGNAL(timeout()), this, SLOT(trig_stat_timer_handler()));
}
void SignalCurve::clear()
{
bufsize = 0;
update();
}
void SignalCurve::resizeEvent(QResizeEvent *resize_event)
{
QWidget::resizeEvent(resize_event);
}
void SignalCurve::setUpdatesEnabled(bool enabled)
{
updates_enabled = enabled;
}
void SignalCurve::paintEvent(QPaintEvent *)
{
if(updates_enabled == false) return;
QPainter paint(this);
#if (QT_VERSION >= 0x050000) && (QT_VERSION < 0x060000)
paint.setRenderHint(QPainter::Qt4CompatiblePainting, true);
#endif
smallfont.setPixelSize(devparms->font_size);
paint.setFont(smallfont);
drawWidget(&paint, width(), height());
old_w = width();
}
int SignalCurve::print_to_image(const char *path)
{
int w_p, h_p;
if(updates_enabled == false) return -1;
if(path == NULL) return -2;
if(strlen(path) < 1) return -3;
w_p = width();
h_p = height();
QPixmap pixmap(w_p, h_p);
QPainter paint(&pixmap);
#if (QT_VERSION >= 0x050000) && (QT_VERSION < 0x060000)
paint.setRenderHint(QPainter::Qt4CompatiblePainting, true);
#endif
smallfont.setPixelSize(devparms->font_size);
paint.setFont(smallfont);
drawWidget(&paint, w_p, h_p);
pixmap.save(path, "PNG", 90);
return 0;
}
void SignalCurve::drawWidget(QPainter *painter, int curve_w, int curve_h)
{
int i, chn, tmp, rot=1, small_rulers, curve_w_backup, curve_h_backup, w_trace_offset,
chns_done;
char str[1024];
double h_step=0.0,
step,
step2;
// clk_start = clock();
if(devparms == NULL)
{
return;
}
paint_mutex.lock();
curve_w_backup = curve_w;
curve_h_backup = curve_h;
small_rulers = 5 * devparms->hordivisions;
painter->fillRect(0, 0, curve_w, curve_h, BackgroundColor);
if((curve_w < ((bordersize * 2) + 5)) || (curve_h < ((bordersize * 2) + 5)))
{
paint_mutex.unlock();
return;
}
painter->fillRect(0, 0, curve_w, 30, QColor(32, 32, 32));
drawTopLabels(painter);
if((devparms->acquirememdepth > 1000) && !devparms->timebasedelayenable)
{
tmp = 405 - ((devparms->timebaseoffset / (devparms->acquirememdepth / devparms->samplerate)) * 233);
}
else
{
tmp = 405 - ((devparms->timebaseoffset / ((double)devparms->timebasescale * (double)devparms->hordivisions)) * 233);
}
if(tmp < 289)
{
tmp = 284;
rot = 2;
}
else if(tmp > 521)
{
tmp = 526;
rot = 0;
}
if((rot == 0) || (rot == 2))
{
drawSmallTriggerArrow(painter, tmp, 11, rot, QColor(255, 128, 0));
}
else
{
drawSmallTriggerArrow(painter, tmp, 16, rot, QColor(255, 128, 0));
}
painter->fillRect(0, curve_h - 30, curve_w, curve_h, QColor(32, 32, 32));
for(i=0; i<devparms->channel_cnt; i++)
{
drawChanLabel(painter, 8 + (i * 130), curve_h - 25, i);
}
if(devparms->connected && devparms->show_fps)
{
drawfpsLabel(painter, curve_w - 80, curve_h - 11);
}
/////////////////////////////////// translate coordinates, draw and fill a rectangle ///////////////////////////////////////////
painter->translate(bordersize, bordersize);
curve_w -= (bordersize * 2);
curve_h -= (bordersize * 2);
if(devparms->math_fft && devparms->math_fft_split)
{
curve_h /= 3;
}
/////////////////////////////////// draw the rasters ///////////////////////////////////////////
painter->setPen(RasterColor);
painter->drawRect (0, 0, curve_w - 1, curve_h - 1);
if((devparms->math_fft == 0) || (devparms->math_fft_split == 0))
{
if(devparms->displaygrid)
{
painter->setPen(QPen(QBrush(RasterColor, Qt::SolidPattern), tracewidth, Qt::DotLine, Qt::SquareCap, Qt::BevelJoin));
if(devparms->displaygrid == 2)
{
step = (double)curve_w / (double)devparms->hordivisions;
for(i=1; i<devparms->hordivisions; i++)
{
painter->drawLine(step * i, curve_h - 1, step * i, 0);
}
step = curve_h / (double)devparms->vertdivisions;
for(i=1; i<devparms->vertdivisions; i++)
{
painter->drawLine(0, step * i, curve_w - 1, step * i);
}
}
else
{
painter->drawLine(curve_w / 2, curve_h - 1, curve_w / 2, 0);
painter->drawLine(0, curve_h / 2, curve_w - 1, curve_h / 2);
}
}
painter->setPen(RasterColor);
step = (double)curve_w / (double)small_rulers;
for(i=1; i<small_rulers; i++)
{
step2 = step * i;
if(devparms->displaygrid)
{
painter->drawLine(step2, curve_h / 2 + 2, step2, curve_h / 2 - 2);
}
if(i % 5)
{
painter->drawLine(step2, curve_h - 1, step2, curve_h - 5);
painter->drawLine(step2, 0, step2, 4);
}
else
{
painter->drawLine(step2, curve_h - 1, step2, curve_h - 9);
painter->drawLine(step2, 0, step2, 8);
}
}
step = curve_h / (5.0 * devparms->vertdivisions);
for(i=1; i<(5 * devparms->vertdivisions); i++)
{
step2 = step * i;
if(devparms->displaygrid)
{
painter->drawLine(curve_w / 2 + 2, step2, curve_w / 2 - 2, step2);
}
if(i % 5)
{
painter->drawLine(curve_w - 1, step2, curve_w - 5, step2);
painter->drawLine(0, step2, 4, step2);
}
else
{
painter->drawLine(curve_w - 1, step2, curve_w - 9, step2);
painter->drawLine(0, step2, 8, step2);
}
}
} // if((devparms->math_fft == 0) || (devparms->math_fft_split == 0))
else
{
painter->drawLine(curve_w / 2, curve_h - 1, curve_w / 2, 0);
painter->drawLine(0, curve_h / 2, curve_w - 1, curve_h / 2);
}
/////////////////////////////////// draw the arrows ///////////////////////////////////////////
if(devparms->modelserie == 6)
{
v_sense = -((double)curve_h / 256.0);
}
else if(devparms->modelserie == 4)
{
v_sense = -((double)curve_h / (32.0 * devparms->vertdivisions));
}
else
{
v_sense = -((double)curve_h / (25.0 * devparms->vertdivisions));
}
drawTrigCenterArrow(painter, curve_w / 2, 0);
for(chn=0; chn<devparms->channel_cnt; chn++)
{
if(!devparms->chandisplay[chn])
{
continue;
}
if(chan_arrow_moving[chn])
{
drawArrow(painter, 0, chan_arrow_pos[chn], 0, SignalColor[chn], '1' + chn);
}
else
{
chan_arrow_pos[chn] = (curve_h / 2) - (devparms->chanoffset[chn] / ((devparms->chanscale[chn] * devparms->vertdivisions) / curve_h));
if(chan_arrow_pos[chn] < 0)
{
chan_arrow_pos[chn] = -1;
drawArrow(painter, -6, chan_arrow_pos[chn], 3, SignalColor[chn], '1' + chn);
}
else if(chan_arrow_pos[chn] > curve_h)
{
chan_arrow_pos[chn] = curve_h + 1;
drawArrow(painter, -6, chan_arrow_pos[chn], 1, SignalColor[chn], '1' + chn);
}
else
{
drawArrow(painter, 0, chan_arrow_pos[chn], 0, SignalColor[chn], '1' + chn);
}
}
}
/////////////////////////////////// FFT: draw the curve ///////////////////////////////////////////
if((devparms->math_fft == 1) && (devparms->math_fft_split == 0))
{
drawFFT(painter, curve_h_backup, curve_w_backup);
}
/////////////////////////////////// draw the curve ///////////////////////////////////////////
if(bufsize > 32)
{
painter->setClipping(true);
painter->setClipRegion(QRegion(0, 0, curve_w, curve_h), Qt::ReplaceClip);
h_step = (double)curve_w / (devparms->hordivisions * 100);
for(chn=0, chns_done=0; chn<=devparms->channel_cnt; chn++)
{
if(chns_done) break;
if(chn == devparms->activechannel) continue;
if(chn == devparms->channel_cnt)
{
chn = devparms->activechannel;
chns_done = 1;
}
if(!devparms->chandisplay[chn])
{
continue;
}
w_trace_offset = (curve_w / 2.0) - (((devparms->timebaseoffset - devparms->xorigin[chn]) / devparms->timebasescale) * ((double)curve_w / (double)(devparms->hordivisions)));
painter->setPen(QPen(QBrush(SignalColor[chn], Qt::SolidPattern), tracewidth, Qt::SolidLine, Qt::SquareCap, Qt::BevelJoin));
for(i=0; i<bufsize; i++)
{
if(bufsize < (curve_w / 2))
{
painter->drawLine(i * h_step + w_trace_offset,
(devparms->wavebuf[chn][i] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn],
(i + 1) * h_step + w_trace_offset,
(devparms->wavebuf[chn][i] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn]);
if(i)
{
painter->drawLine(i * h_step + w_trace_offset,
(devparms->wavebuf[chn][i - 1] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn],
i * h_step + w_trace_offset,
(devparms->wavebuf[chn][i] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn]);
}
}
else
{
if(i < (bufsize - 1))
{
if(devparms->displaytype)
{
painter->drawPoint(i * h_step + w_trace_offset,
(devparms->wavebuf[chn][i] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn]);
}
else
{
painter->drawLine(i * h_step + w_trace_offset,
(devparms->wavebuf[chn][i] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn],
(i + 1) * h_step + w_trace_offset,
(devparms->wavebuf[chn][i + 1] * v_sense) + (curve_h / 2) - chan_tmp_y_pixel_offset[chn]);
}
}
}
}
}
painter->setClipping(false);
}
/////////////////////////////////// draw the decoder ///////////////////////////////////////////
if(devparms->math_decode_display) draw_decoder(painter, curve_w, curve_h);
/////////////////////////////////// draw the trigger arrows ///////////////////////////////////////////
if(trig_level_arrow_moving)
{
drawArrow(painter, curve_w, trig_level_arrow_pos, 2, QColor(255, 128, 0), 'T');
painter->setPen(QPen(QBrush(QColor(255, 128, 0), Qt::SolidPattern), tracewidth, Qt::DashDotLine, Qt::SquareCap, Qt::BevelJoin));
painter->drawLine(1, trig_level_arrow_pos, curve_w - 2, trig_level_arrow_pos);
}
else
{
if(devparms->triggeredgesource <= TRIG_SRC_CHAN4)
{
trig_level_arrow_pos = (curve_h / 2) - ((devparms->triggeredgelevel[devparms->triggeredgesource] + devparms->chanoffset[devparms->triggeredgesource]) / ((devparms->chanscale[devparms->triggeredgesource] * devparms->vertdivisions) / curve_h));
if(trig_level_arrow_pos < 0)
{
trig_level_arrow_pos = -1;
drawArrow(painter, curve_w + 6, trig_level_arrow_pos, 3, QColor(255, 128, 0), 'T');
}
else if(trig_level_arrow_pos > curve_h)
{
trig_level_arrow_pos = curve_h + 1;
drawArrow(painter, curve_w + 6, trig_level_arrow_pos, 1, QColor(255, 128, 0), 'T');
}
else
{
drawArrow(painter, curve_w, trig_level_arrow_pos, 2, QColor(255, 128, 0), 'T');
}
}
if(trig_line_visible)
{
painter->setPen(QPen(QBrush(QColor(255, 128, 0), Qt::SolidPattern), tracewidth, Qt::DashDotLine, Qt::SquareCap, Qt::BevelJoin));
painter->drawLine(1, trig_level_arrow_pos, curve_w - 2, trig_level_arrow_pos);
}
}
if(trig_pos_arrow_moving)
{
drawArrow(painter, trig_pos_arrow_pos, 27, 1, QColor(255, 128, 0), 'T');
}
else
{
if(devparms->timebasedelayenable)
{
trig_pos_arrow_pos = (curve_w / 2) - ((devparms->timebasedelayoffset / ((double)devparms->timebasedelayscale * (double)devparms->hordivisions)) * curve_w);
}
else
{
trig_pos_arrow_pos = (curve_w / 2) - ((devparms->timebaseoffset / ((double)devparms->timebasescale * (double)devparms->hordivisions)) * curve_w);
}
if(trig_pos_arrow_pos < 0)
{
trig_pos_arrow_pos = -1;
drawArrow(painter, trig_pos_arrow_pos, 18, 2, QColor(255, 128, 0), 'T');
}
else if(trig_pos_arrow_pos > curve_w)
{
trig_pos_arrow_pos = curve_w + 1;
drawArrow(painter, trig_pos_arrow_pos, 18, 0, QColor(255, 128, 0), 'T');
}
else
{
drawArrow(painter, trig_pos_arrow_pos, 27, 1, QColor(255, 128, 0), 'T');
}
}
if(devparms->countersrc)
{
paintCounterLabel(painter, curve_w - 180, 6);
}
if(devparms->func_wrec_enable)
{
paintPlaybackLabel(painter, curve_w - 180, 40);
}
if((mainwindow->adjDialFunc == ADJ_DIAL_FUNC_HOLDOFF) || (mainwindow->navDialFunc == NAV_DIAL_FUNC_HOLDOFF))
{
convert_to_metric_suffix(str, devparms->triggerholdoff, 2, 1024);
strlcat(str, "S", 1024);
paintLabel(painter, curve_w - 110, 5, 100, 20, str, Qt::white);
}
else if(mainwindow->adjDialFunc == ADJ_DIAL_FUNC_ACQ_AVG)
{
snprintf(str, 1024, "%i", devparms->acquireaverages);
paintLabel(painter, curve_w - 110, 5, 100, 20, str, Qt::white);
}
if(label_active == LABEL_ACTIVE_TRIG)
{
convert_to_metric_suffix(str, devparms->triggeredgelevel[devparms->triggeredgesource], 2, 1024);
strlcat(str, devparms->chanunitstr[devparms->chanunit[devparms->triggeredgesource]], 1024);
paintLabel(painter, curve_w - 120, curve_h - 50, 100, 20, str, QColor(255, 128, 0));
}
else if(label_active == LABEL_ACTIVE_CHAN1)
{
convert_to_metric_suffix(str, devparms->chanoffset[0], 2, 1024);
strlcat(str, devparms->chanunitstr[devparms->chanunit[0]], 1024);
paintLabel(painter, 20, curve_h - 50, 100, 20, str, SignalColor[0]);
}
else if(label_active == LABEL_ACTIVE_CHAN2)
{
convert_to_metric_suffix(str, devparms->chanoffset[1], 2, 1024);
strlcat(str, devparms->chanunitstr[devparms->chanunit[1]], 1024);
paintLabel(painter, 20, curve_h - 50, 100, 20, str, SignalColor[1]);
}
else if(label_active == LABEL_ACTIVE_CHAN3)
{
convert_to_metric_suffix(str, devparms->chanoffset[2], 2, 1024);
strlcat(str, devparms->chanunitstr[devparms->chanunit[2]], 1024);
paintLabel(painter, 20, curve_h - 50, 100, 20, str, SignalColor[2]);
}
else if(label_active == LABEL_ACTIVE_CHAN4)
{
convert_to_metric_suffix(str, devparms->chanoffset[3], 2, 1024);
strlcat(str, devparms->chanunitstr[devparms->chanunit[3]], 1024);
paintLabel(painter, 20, curve_h - 50, 100, 20, str, SignalColor[3]);
}
if((devparms->math_fft == 1) && (devparms->math_fft_split == 1))
{
drawFFT(painter, curve_h_backup, curve_w_backup);
if(label_active == LABEL_ACTIVE_FFT)
{
if(devparms->math_fft_unit == 0)
{
strlcpy(str, "POS: ", 1024);
convert_to_metric_suffix(str + strlen(str), devparms->fft_voffset, 1, 1024);
strlcat(str, "V", 1024);
}
else
{
snprintf(str, 1024, "POS: %.1fdB", devparms->fft_voffset);
}
paintLabel(painter, 20, curve_h * 1.85 - 50.0, 100, 20, str, QColor(128, 64, 255));
}
}
// clk_end = clock();
//
// cpu_time_used += ((double) (clk_end - clk_start)) / CLOCKS_PER_SEC;
//
// scr_update_cntr++;
//
// if(!(scr_update_cntr % 50))
// {
// printf("CPU time used: %f\n", cpu_time_used / 50);
//
// cpu_time_used = 0;
// }
paint_mutex.unlock();
}
void SignalCurve::drawFFT(QPainter *painter, int curve_h_b, int curve_w_b)
{
int i, small_rulers, curve_w, curve_h;
char str[1024];
double h_step=0.0,
step,
step2,
fft_h_offset=0.0;
small_rulers = 5 * devparms->hordivisions;
/////////////////////////////////// FFT: translate coordinates, draw and fill a rectangle ///////////////////////////////////////////
if(devparms->math_fft_split == 0)
{
curve_w = curve_w_b - (bordersize * 2);
curve_h = curve_h_b - (bordersize * 2);
}
else
{
curve_h = curve_h_b - (bordersize * 2);
curve_h /= 3;
painter->resetTransform();
painter->translate(bordersize, bordersize + curve_h + 15);
curve_w = curve_w_b - (bordersize * 2);
curve_h = curve_h_b - (bordersize * 2);
curve_h *= 0.64;
/////////////////////////////////// FFT: draw the rasters ///////////////////////////////////////////
painter->setPen(RasterColor);
painter->drawRect (0, 0, curve_w - 1, curve_h - 1);
if(devparms->displaygrid)
{
painter->setPen(QPen(QBrush(RasterColor, Qt::SolidPattern), tracewidth, Qt::DotLine, Qt::SquareCap, Qt::BevelJoin));
if(devparms->displaygrid == 2)
{
step = (double)curve_w / (double)devparms->hordivisions;
for(i=1; i<devparms->hordivisions; i++)
{
painter->drawLine(step * i, curve_h - 1, step * i, 0);
}
step = curve_h / 8.0;
for(i=1; i<8; i++)
{
painter->drawLine(0, step * i, curve_w - 1, step * i);
}
}
else
{
painter->drawLine(curve_w / 2, curve_h - 1, curve_w / 2, 0);
painter->drawLine(0, curve_h / 2, curve_w - 1, curve_h / 2);
}
}
painter->setPen(RasterColor);
step = (double)curve_w / (double)small_rulers;
for(i=1; i<small_rulers; i++)
{
step2 = step * i;
if(devparms->displaygrid)
{
painter->drawLine(step2, curve_h / 2 + 2, step2, curve_h / 2 - 2);
}
if(i % 5)
{
painter->drawLine(step2, curve_h - 1, step2, curve_h - 5);
painter->drawLine(step2, 0, step2, 4);
}
else
{
painter->drawLine(step2, curve_h - 1, step2, curve_h - 9);
painter->drawLine(step2, 0, step2, 8);
}
}
step = curve_h / 40.0;
for(i=1; i<40; i++)
{
step2 = step * i;
if(devparms->displaygrid)
{
painter->drawLine(curve_w / 2 + 2, step2, curve_w / 2 - 2, step2);
}
if(i % 5)
{
painter->drawLine(curve_w - 1, step2, curve_w - 5, step2);
painter->drawLine(0, step2, 4, step2);
}
else
{
painter->drawLine(curve_w - 1, step2, curve_w - 9, step2);
painter->drawLine(0, step2, 8, step2);
}
}
/////////////////////////////////// FFT: draw the arrow ///////////////////////////////////////////
fft_arrow_pos = (curve_h / 2.0) - (((double)curve_h / (8.0 * devparms->fft_vscale)) * devparms->fft_voffset);
drawArrow(painter, 0, fft_arrow_pos, 0, QColor(128, 64, 255), 'M');
}
/////////////////////////////////// FFT: draw the curve ///////////////////////////////////////////
if(bufsize < 32)
{
return;
}
if((devparms->fftbufsz > 32) && devparms->chandisplay[devparms->math_fft_src])
{
painter->setClipping(true);
painter->setClipRegion(QRegion(0, 0, curve_w, curve_h), Qt::ReplaceClip);
h_step = (double)curve_w / (double)devparms->fftbufsz;
if(devparms->timebasedelayenable)
{
h_step *= (100.0 / devparms->timebasedelayscale) / devparms->math_fft_hscale;
}
else
{
h_step *= (100.0 / devparms->timebasescale) / devparms->math_fft_hscale;
}
if(devparms->modelserie != 1)
{
h_step /= 28.0;
}
else
{
h_step /= 24.0;
}
fft_v_sense = (double)curve_h / (-8.0 * devparms->fft_vscale);
fft_v_offset = (curve_h / 2.0) + (fft_v_sense * devparms->fft_voffset);
fft_h_offset = (curve_w / 2) - ((devparms->math_fft_hcenter / devparms->math_fft_hscale) * curve_w / devparms->hordivisions);
// fft_smpls_onscreen = (double)devparms->fftbufsz * ((devparms->math_fft_hscale * devparms->hordivisions) / (double)devparms->current_screen_sf);
painter->setPen(QPen(QBrush(QColor(128, 64, 255), Qt::SolidPattern), tracewidth, Qt::SolidLine, Qt::SquareCap, Qt::BevelJoin));
for(i=0; i<(devparms->fftbufsz - 1); i++)
{
// if(fft_smpls_onscreen < (curve_w / 2))
// {
// painter->drawLine(i * h_step + fft_h_offset, (devparms->fftbuf_out[i] * fft_v_sense) + fft_v_offset, (i + 1) * h_step + fft_h_offset, (devparms->fftbuf_out[i] * fft_v_sense) + fft_v_offset);
// if(i)
// {
// painter->drawLine(i * h_step + fft_h_offset, (devparms->fftbuf_out[i - 1] * fft_v_sense) + fft_v_offset, i * h_step + fft_h_offset, (devparms->fftbuf_out[i] * fft_v_sense) + fft_v_offset);
// }
// }
// else
// {
// if(i < (devparms->fftbufsz - 1))
// {
painter->drawLine(i * h_step + fft_h_offset, (devparms->fftbuf_out[i] * fft_v_sense) + fft_v_offset, (i + 1) * h_step + fft_h_offset, (devparms->fftbuf_out[i + 1] * fft_v_sense) + fft_v_offset);
// }
// }
}
snprintf(str, 1024, "FFT: CH%i ", devparms->math_fft_src + 1);
convert_to_metric_suffix(str + strlen(str), devparms->fft_vscale, 2, 1024 - strlen(str));
if(devparms->math_fft_unit == 0)
{
strlcat(str, "V/Div Center ", 1024);
}
else
{
strlcat(str, "dBV/Div Center ", 1024);
}
convert_to_metric_suffix(str + strlen(str), devparms->math_fft_hcenter, 1, 1024 - strlen(str));
strlcat(str, "Hz ", 1024);
convert_to_metric_suffix(str + strlen(str), devparms->math_fft_hscale, 2, 1024 - strlen(str));
strlcat(str, "Hz/Div ", 1024);
if(devparms->timebasedelayenable)
{
convert_to_metric_suffix(str + strlen(str), 100.0 / devparms->timebasedelayscale, 0, 1024 - strlen(str));
}
else
{
convert_to_metric_suffix(str + strlen(str), 100.0 / devparms->timebasescale, 0, 1024 - strlen(str));
}
strlcat(str, "Sa/s", 1024);
painter->drawText(15, 30, str);
painter->setClipping(false);
}
else
{
painter->setPen(QPen(QBrush(QColor(128, 64, 255), Qt::SolidPattern), tracewidth, Qt::SolidLine, Qt::SquareCap, Qt::BevelJoin));
snprintf(str, 1024, "FFT: CH%i Data Invalid!", devparms->math_fft_src + 1);
painter->drawText(15, 30, str);
}
}
void SignalCurve::drawCurve(struct device_settings *devp, struct tmcdev *dev)
{
devparms = devp;
device = dev;
bufsize = devparms->wavebufsz;
update();
}
void SignalCurve::setDeviceParameters(struct device_settings *devp)
{
devparms = devp;
}
void SignalCurve::drawTopLabels(QPainter *painter)
{
int i, x1, tmp;
char str[512];
double dtmp1, dtmp2;
QPainterPath path;
if(devparms == NULL)
{
return;
}
path.addRoundedRect(5, 5, 70, 20, 3, 3);
painter->fillPath(path, Qt::black);
painter->setPen(Qt::white);
painter->drawText(5, 5, 70, 20, Qt::AlignCenter, devparms->modelname);
//////////////// triggerstatus ///////////////////////////////
path = QPainterPath();
path.addRoundedRect(80, 5, 35, 20, 3, 3);
if((devparms->triggerstatus == 1) || (devparms->triggerstatus == 3))
{
if(!trig_stat_flash)
{
trig_stat_flash = 1;
trig_stat_timer->start(1000);
}
}
else
{
if(trig_stat_flash)
{
trig_stat_flash = 0;
trig_stat_timer->stop();
}
}
if(trig_stat_flash == 2)
{
painter->fillPath(path, Qt::green);