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screensub.c
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screensub.c
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// Copyright (c) <2012> <Leif Asbrink>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify,
// merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
#define YBO 8
#define YWF 4
#define FFT1_SMALL 0.000001F
#include <fcntl.h>
#include <string.h>
#include "globdef.h"
#include "uidef.h"
#include "fft1def.h"
#include "fft2def.h"
#include "fft3def.h"
#include "seldef.h"
#include "graphcal.h"
#include "screendef.h"
#include "sigdef.h"
#include "thrdef.h"
#include "options.h"
#if OSNUM == OSNUM_WINDOWS
#include "wscreen.h"
#endif
#if OSNUM == OSNUM_LINUX
#include "lscreen.h"
#endif
void update_meter_graph(void)
{
int i, j, k, m, n, pa, local_mg_pa;
int ya, yb;
int old_bar_y;
// mgw_p points to the screen position corresponding to mg_px
// in the mg_ arrays.
// Move the data backwards on screen if necessary and adjust
// mgw_p accordingly.
hide_mouse(mg.xleft,mg.xright,mg.ytop,mg.ybottom);
local_mg_pa=mg_pa;
if(mg_bar) {
old_bar_y=mg_bar_y;
mg_bar_y=mg_y0;
if(sw_onechan) {
while(mg_px != local_mg_pa) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[mg_px]);
if(i<mg_ymax)i=mg_ymax;
if(i<mg_bar_y)mg_bar_y=i;
mg_px=(mg_px+1)&mg_mask;
}
} else {
while(mg_px != local_mg_pa) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[2*mg_px]);
if(i<mg_ymax)i=mg_ymax;
if(i<mg_bar_y)mg_bar_y=i;
mg_px=(mg_px+1)&mg_mask;
}
}
update_bar(mg_bar_x1,mg_bar_x2,mg_y0,mg_bar_y,old_bar_y,
MG_BAR_COLOR,mg_barbuf);
} else {
n=(local_mg_pa-mg_px+mg_size)&mg_mask;
n+=mgw_p-mg_last_xpixel;
yb=0;
if(n > 0) {
pa=mg_px;
m=(mg_px+mg_mask)&mg_mask;
if(sw_onechan) {
for(j=mgw_p; j>=mg_first_xpixel; j--) {
ya=-1;
if( (mg.tracks&1)==0) {
i=mg_rms_ypix[pa];
ya=i;
yb=i;
k=mg_rms_ypix[m];
if(k>ya)ya=k;
if(k<yb)yb=k;
lir_line(j-1,k,j,i,0);
}
if( (mg.tracks&2)==0) {
i=mg_peak_ypix[pa];
if(i<mg_ymax)i=mg_ymax;
if(ya < 0) {
ya=i;
yb=i;
} else {
if(i>ya)ya=i;
if(i<yb)yb=i;
}
k=mg_peak_ypix[m];
if(k>ya)ya=k;
if(k<yb)yb=k;
lir_line(j-1,k,j,i,0);
}
i=yb;
while(i <= ya) {
if( mg_behind_meter[i] != 0)lir_setpixel(j,i,mg_behind_meter[i]);
i++;
}
pa=m;
m=(m+mg_mask)&mg_mask;
}
} else {
for(j=mgw_p; j>=mg_first_xpixel; j--) {
ya=-1;
if( (mg.tracks&1)==0) {
i=mg_rms_ypix[2*pa];
ya=i;
yb=i;
k=mg_rms_ypix[2*m];
if(k>ya)ya=k;
if(k<yb)yb=k;
lir_line(j-1,k,j,i,0);
i=mg_rms_ypix[2*pa+1];
if(i>ya)ya=i;
if(i<yb)yb=i;
k=mg_rms_ypix[2*m+1];
if(k>ya)ya=k;
if(k<yb)yb=k;
lir_line(j-1,k,j,i,0);
}
if( (mg.tracks&2)==0) {
i=mg_peak_ypix[2*pa];
if(ya < 0) {
ya=i;
yb=i;
} else {
if(i>ya)ya=i;
if(i<yb)yb=i;
}
k=mg_peak_ypix[2*m];
if(k>ya)ya=k;
if(k<yb)yb=k;
lir_line(j-1,k,j,i,0);
i=mg_peak_ypix[2*pa+1];
if(i>ya)ya=i;
if(i<yb)yb=i;
k=mg_peak_ypix[2*m+1];
if(k<mg_ymax)k=mg_ymax;
if(k>ya)ya=k;
if(k<yb)yb=k;
lir_line(j-1,k,j,i,0);
}
i=yb;
while(i <= ya) {
if( mg_behind_meter[i] != 0)lir_setpixel(j,i,mg_behind_meter[i]);
i++;
}
pa=m;
m=(m+mg_mask)&mg_mask;
}
}
// We want to place the last point at mg_last_xpixel-n in the graph.
// The number of points is thus mg_last_xpixel-n-mg_first_xpixel.
// Set mg_px and mgw_p accordingly.
if(n < 0.2*(mg_last_xpixel-mg_first_xpixel) ) {
// n=(local_mg_pa-mg_px+mg_size)&mg_mask;
// n+=mgw_p-mg_last_xpixel;
n=0.2*(mg_last_xpixel-mg_first_xpixel);
}
if(n >=mg_last_xpixel-mg_first_xpixel) {
n=0.8*(mg_last_xpixel-mg_first_xpixel);
}
mgw_p=mg_first_xpixel;
mg_px=(local_mg_pa-(mg_last_xpixel-n-mg_first_xpixel)+mg_size)&mg_mask;
}
m=(mg_px+mg_mask)&mg_mask;
if(sw_onechan) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_rms_meter[m]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_rms_ypix[m]=i;
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[m]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_peak_ypix[m]=i;
} else {
i=mg_ymin-(mg.yzero+mg.ygain*mg_rms_meter[2*m]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_rms_ypix[2*m]=i;
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[2*m]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_peak_ypix[2*m]=i;
i=mg_ymin-(mg.yzero+mg.ygain*mg_rms_meter[2*m+1]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_rms_ypix[2*m+1]=i;
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[2*m+1]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_peak_ypix[2*m+1]=i;
}
if(sw_onechan) {
while(mg_px != local_mg_pa) {
if( (mg.tracks&1)==0) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_rms_meter[mg_px]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_rms_ypix[mg_px]=i;
k=mg_rms_ypix[m];
lir_line(mgw_p-1,k,mgw_p,i,14);
}
if( (mg.tracks&2)==0) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[mg_px]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_peak_ypix[mg_px]=i;
k=mg_peak_ypix[m];
lir_line(mgw_p-1,k,mgw_p,i,15);
}
m=mg_px;
mg_px=(mg_px+1)&mg_mask;
mgw_p++;
}
} else {
while(mg_px != local_mg_pa) {
if( (mg.tracks&1)==0) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_rms_meter[2*mg_px]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_rms_ypix[2*mg_px]=i;
k=mg_rms_ypix[2*m];
lir_line(mgw_p-1,k,mgw_p,i,11);
i=mg_ymin-(mg.yzero+mg.ygain*mg_rms_meter[2*mg_px+1]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_rms_ypix[2*mg_px+1]=i;
k=mg_rms_ypix[2*m+1];
lir_line(mgw_p-1,k,mgw_p,i,12);
}
if( (mg.tracks&2)==0) {
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[2*mg_px]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_peak_ypix[2*mg_px]=i;
k=mg_peak_ypix[2*m];
lir_line(mgw_p-1,k,mgw_p,i,10);
i=mg_ymin-(mg.yzero+mg.ygain*mg_peak_meter[2*mg_px+1]);
if(i<mg_ymax)i=mg_ymax;
if(i>mg_ymin)i=mg_ymin;
mg_peak_ypix[2*mg_px+1]=i;
k=mg_peak_ypix[2*m+1];
lir_line(mgw_p-1,k,mgw_p,i,13);
}
m=mg_px;
mg_px=(mg_px+1)&mg_mask;
mgw_p++;
}
}
}
}
void afc_cursor(void)
{
int i, j;
if(mix1_fq_mid[fftx_nx] < 0)return;
j=0.5+hg_first_xpixel+(mix1_fq_mid[fftx_nx]-hg_first_fq)/hg_hz_per_pixel;
if(j < hg_first_xpixel)j = hg_first_xpixel;
if(j > hg_last_xpixel)j = hg_last_xpixel;
if(afc_curx != j || afc_old_cursor_color != afc_cursor_color) {
hide_mouse(j,j,hg_cury0,hg_cury2);
if(afc_curx > 0) {
hide_mouse(afc_curx,afc_curx,hg_cury0,hg_cury2);
if(afc_curx == hg_center) {
for(i=hg_cury0; i<hg_cury2; i++) {
lir_setpixel(afc_curx,i,8);
lir_setpixel(j,i,afc_cursor_color);
}
} else {
for(i=hg_cury0; i<hg_cury2; i++) {
lir_setpixel(afc_curx,i,hg_background[i]);
lir_setpixel(j,i,afc_cursor_color);
}
}
} else {
for(i=hg_cury0; i<hg_cury2; i++) {
lir_setpixel(j,i,afc_cursor_color);
}
}
}
afc_curx=j;
afc_old_cursor_color = afc_cursor_color;
}
void show_coherent(void)
{
char s[80];
int i, ia, ix, iy, n;
float t2, t4;
float sellim_correction;
sellim_correction=1;
hide_mouse(cg_old_x1, cg_old_x2, cg_old_y1, cg_old_y2);
for(iy=0; iy<cg_size; iy++) {
n=iy*cg_size;
for(ix=0; ix<cg_size; ix++) {
i=1+cg_map[n+ix];
cg_map[n+ix]*=0.8;
if(i >= MAX_COLOR_SCALE)i=MAX_COLOR_SCALE-1;
lir_fillbox(cg_old_x1+1+3*ix,cg_old_y1+1+3*iy,3,3,color_scale[i]);
}
}
lir_line(cg_x0,cg_old_y1,cg_x0,cg_y1,8);
if(kill_all_flag) return;
lir_hline(cg_old_x1+1,cg_y0,cg_old_x2-1,8);
if(kill_all_flag) return;
lir_line(cg_x0,cg_y0,cg_chirpx,cg_chirpy,14);
if(kill_all_flag) return;
t2=0;
t4=0;
ia=basblock_pa;
for(i=0; i<basblock_hold_points; i++) {
t4+=basblock_avgpower[ia];
if(t2<basblock_maxpower[ia])t2=basblock_maxpower[ia];
ia=(ia+basblock_mask)&basblock_mask;
}
t4/=basblock_hold_points;
s_meter_average_power=10*log10(t4*baseband_pwrfac*sellim_correction);
t2*=baseband_pwrfac;
sprintf(s,"%f ",s_meter_average_power);
// Make sure we do not write outside our screen area.
s[COH_SIDE-2]=0;
lir_pixwrite(cg_old_x1+2*text_width,cg_old_y2-text_height,s);
if(s_meter_avgnum >=0) {
s_meter_avg_filled_flag=TRUE;
s_meter_avgnum++;
s_meter_avg+=t4;
t4=s_meter_avg/s_meter_avgnum;
sprintf(s,"%f",10*log10(t4*baseband_pwrfac));
s[COH_SIDE]=0;
lir_pixwrite(cg_old_x1+1,cg_old_y2-4*text_height,s);
sprintf(s,"%3d ",s_meter_avgnum);
s[COH_SIDE]=0;
lir_pixwrite(cg_old_x1+1,cg_old_y2-5*text_height,s);
} else {
if(s_meter_avg_filled_flag==TRUE) {
lir_fillbox(cg_old_x1+1,cg_old_y2-5*text_height,3*cg_size,2*text_height,0);
s_meter_avg_filled_flag=FALSE;
}
}
s_meter_fast_attack_slow_decay=10*log10(t2*sellim_correction);
sprintf(s,"%.2f ",s_meter_fast_attack_slow_decay);
s[COH_SIDE-2]=0;
lir_pixwrite(cg_old_x1+2*text_width,cg_old_y2-2*text_height,s);
t2*=sellim_correction;
if(s_meter_peak_hold < t2) {
s_meter_peak_hold=t2;
lir_pixwrite(cg_old_x1+2*text_width,cg_old_y2-3*text_height,s);
}
}
void update_txtest(int xpix,int new_y2 )
{
int new_y1, old_y1, old_y2;
int ia, ib;
char bkg_color;
old_y2=fft1_spectrum[xpix];
fft1_old_spectrum[xpix]=old_y2;
if(new_y2 < 0)new_y2=0;
new_y2=wg.ybottom-1-new_y2;
if(new_y2 < wg.yborder+1)new_y2=wg.yborder+1;
if(xpix != wg_first_xpixel) {
new_y1=fft1_spectrum[xpix-1];
old_y1=fft1_old_spectrum[xpix-1];
} else {
new_y1=new_y2;
old_y1=new_y2;
}
if( new_y2 != old_y2 || new_y1 != old_y1) {
if(old_y1 > old_y2) {
ia=old_y2;
ib=old_y1;
} else {
ib=old_y2;
ia=old_y1;
}
while(ia <= ib) {
bkg_color=wg_background[ia];
lir_setpixel(xpix,ia,bkg_color);
ia++;
}
if(new_y1 > new_y2) {
ia=new_y2;
ib=new_y1;
} else {
ib=new_y2;
ia=new_y1;
}
while(ia <= ib) {
lir_setpixel(xpix,ia,TXTEST_NARROW_COLOR);
ia++;
}
fft1_spectrum[xpix]=new_y2;
}
}
void update_txpeak(int xpix,int new_y2 )
{
int new_y1, old_y1, old_y2;
int ia, ib;
char bkg_color;
old_y2=txtest_ypeak[xpix];
txtest_old_ypeak[xpix]=old_y2;
if(new_y2 < 0)new_y2=0;
new_y2=wg.ybottom-1-new_y2;
if(new_y2 < wg.yborder+1)new_y2=wg.yborder+1;
if(old_y2 < new_y2)new_y2=old_y2;
if(xpix == txtest_first_xpix) {
bkg_color=wg_background[old_y2];
if(old_y2 == txtest_ypeak_decay[xpix])bkg_color=TXTEST_PEAK_DECAY_COLOR;
lir_setpixel(xpix,old_y2,bkg_color);
txtest_ypeak[xpix]=new_y2;
lir_setpixel(xpix,new_y2,TXTEST_PEAK_POWER_COLOR);
return;
}
new_y1=txtest_ypeak[xpix-1];
old_y1=txtest_old_ypeak[xpix-1];
if( new_y2 != old_y2 || new_y1 != old_y1 || txtest_peak_redraw ==0) {
if(old_y1 > old_y2) {
ia=old_y2;
ib=old_y1;
} else {
ib=old_y2;
ia=old_y1;
}
while(ia <= ib) {
bkg_color=wg_background[ia];
if(ia == txtest_ypeak_decay[xpix])bkg_color=TXTEST_PEAK_DECAY_COLOR;
lir_setpixel(xpix,ia,bkg_color);
ia++;
}
if(new_y1 > new_y2) {
ia=new_y2;
ib=new_y1;
} else {
ib=new_y2;
ia=new_y1;
}
while(ia <= ib) {
lir_setpixel(xpix,ia,TXTEST_PEAK_POWER_COLOR);
ia++;
}
txtest_ypeak[xpix]=new_y2;
}
txtest_peak_redraw++;
if(txtest_peak_redraw > TXTEST_PEAK_REDRAW_COUNT) {
txtest_peak_redraw=0;
}
}
void update_txpeak_decay(int xpix,int new_y2 )
{
int new_y1, old_y1, old_y2;
int ia, ib;
char bkg_color;
old_y2=txtest_ypeak_decay[xpix];
txtest_old_ypeak_decay[xpix]=old_y2;
if(new_y2 < 0)new_y2=0;
new_y2=wg.ybottom-1-new_y2;
if(new_y2 < wg.yborder+1)new_y2=wg.yborder+1;
if(xpix != txtest_first_xpix) {
new_y1=txtest_ypeak_decay[xpix-1];
old_y1=txtest_old_ypeak_decay[xpix-1];
} else {
new_y1=new_y2;
old_y1=new_y2;
}
if( new_y2 != old_y2 || new_y1 != old_y1) {
if(old_y1 > old_y2) {
ia=old_y2;
ib=old_y1;
} else {
ib=old_y2;
ia=old_y1;
}
while(ia <= ib) {
bkg_color=wg_background[ia];
if(ia == txtest_ypeak[xpix])bkg_color=TXTEST_PEAK_POWER_COLOR;
lir_setpixel(xpix,ia,bkg_color);
ia++;
}
if(new_y1 > new_y2) {
ia=new_y2;
ib=new_y1;
} else {
ib=new_y2;
ia=new_y1;
}
while(ia <= ib) {
lir_setpixel(xpix,ia,TXTEST_PEAK_DECAY_COLOR);
ia++;
}
txtest_ypeak_decay[xpix]=new_y2;
}
}
void update_txavg(int xpix,int new_y2 )
{
int new_y1, old_y1, old_y2;
int ia, ib;
char bkg_color;
old_y2=txtest_yavg[xpix];
txtest_old_yavg[xpix]=old_y2;
if(new_y2 < 0)new_y2=0;
new_y2=wg.ybottom-1-new_y2;
if(new_y2 < wg.yborder+1)new_y2=wg.yborder+1;
if(xpix != txtest_first_xpix) {
new_y1=txtest_yavg[xpix-1];
old_y1=txtest_old_yavg[xpix-1];
} else {
new_y1=new_y2;
old_y1=new_y2;
}
if( new_y2 != old_y2 || new_y1 != old_y1) {
if(old_y1 > old_y2) {
ia=old_y2;
ib=old_y1;
} else {
ib=old_y2;
ia=old_y1;
}
while(ia <= ib) {
bkg_color=wg_background[ia];
if(ia == txtest_ypeak_decay[xpix])bkg_color=TXTEST_PEAK_DECAY_COLOR;
if(ia == txtest_ypeak[xpix])bkg_color=TXTEST_PEAK_POWER_COLOR;
lir_setpixel(xpix,ia,bkg_color);
ia++;
}
if(new_y1 > new_y2) {
ia=new_y2;
ib=new_y1;
} else {
ib=new_y2;
ia=new_y1;
}
while(ia <= ib) {
lir_setpixel(xpix,ia,TXTEST_WIDE_AVERAGE_COLOR);
ia++;
}
txtest_yavg[xpix]=new_y2;
}
}
void show_txtest_spectrum(void)
{
int j, ia;
float fxpix;
float yval_avg, der_avg, next_y, next_y_avg;
float yval_decay, der_decay, next_y_decay;
int i,k,m,mm, new_y, xpix;
float yval,der,t1;
// Draw the normal fft1 spectrumn with lines.
hide_mouse(wg_first_xpixel, wg_last_xpixel, wg.yborder, wg.ybottom);
if(wg.xpoints_per_pixel == 1 || wg.pixels_per_xpoint == 1) {
i=wg.first_xpoint+wg_first_xpixel-wg_first_xpixel;
for(xpix=wg_first_xpixel; xpix < wg_last_xpixel; xpix++) {
if(fft1_slowsum[i] > 0.5) {
update_txtest(xpix,(int)(wg_yfac_log*log10(fft1_slowsum[i]*wg_yfac_power)));
}
i++;
}
} else {
if(wg.xpoints_per_pixel == 0) {
// There are more pixels than data points so we must interpolate.
i=wg.first_xpoint+(wg_first_xpixel-wg_first_xpixel)/wg.pixels_per_xpoint;
if(fft1_slowsum[i] > 0.5) {
new_y=wg_yfac_log*log10(fft1_slowsum[i]*wg_yfac_power);
if(i == wg.first_xpoint) {
update_txtest(wg_first_xpixel,new_y);
}
} else {
new_y=0;
}
yval=new_y;
i++;
for(xpix=wg_first_xpixel;
xpix<wg_last_xpixel; xpix+=wg.pixels_per_xpoint) {
m=xpix+wg.pixels_per_xpoint/2;
if(fft1_slowsum[i] > 0.5) {
t1=wg_yfac_log*log10(fft1_slowsum[i]*wg_yfac_power);
der=(t1-yval)/wg.pixels_per_xpoint;
for(k=xpix+1; k<=m; k++) {
yval=yval+der;
new_y=yval;
update_txtest(k,new_y);
}
} else {
t1=0;
yval=0;
der=0;
}
mm=xpix+wg.pixels_per_xpoint;
for(k=m+1; k<=mm; k++) {
yval=yval+der;
new_y=yval;
update_txtest(k,new_y);
}
i++;
yval=t1;
}
} else {
// There is more than one data point for each pixel.
// Slide a triangular filter across the spectrum to make it
// smoother before resampling.
i=wg.first_xpoint+(wg_first_xpixel-wg_first_xpixel)*wg.xpoints_per_pixel;
for(xpix=wg_first_xpixel; xpix<wg_last_xpixel; xpix++) {
t1=fft1_slowsum[i]*wg.xpoints_per_pixel;
for(k=1; k<wg.xpoints_per_pixel; k++) {
t1+=(fft1_slowsum[i+k]+fft1_slowsum[i-k])*(wg.xpoints_per_pixel-k);
}
if(t1 > 0.5) {
new_y=wg_yfac_log*log10(t1*wg_yfac_power);
update_txtest(xpix,new_y);
}
i+=wg.xpoints_per_pixel;
}
}
}
// Make the average spectrum.
if(txtest_no_of_segs==0 || txtest_pixinc==0)return;
txtest_last_xpix=txtest_first_xpix+(txtest_no_of_segs-1)*txtest_pixinc;
xpix=txtest_first_xpix;
fxpix=xpix;
// There are typically more pixels than data points so we must interpolate.
ia=0;
if(txtest_peak_power[0] > 0.5) {
yval=wg_yfac_log*log10(txtest_peak_power[0]);
} else {
yval=0;
}
if(txtest_peak_power_decay[0] > 0.5) {
yval_decay=wg_yfac_log*log10(txtest_peak_power_decay[0]);
} else {
yval_decay=0;
}
if(txtest_powersum[0] > 0.5) {
yval_avg=wg_yfac_log*log10(txtest_powersum[0]);
} else {
yval_avg=0;
}
if(txtest_decayfac1 < 0.5) {
update_txpeak_decay(xpix,yval_decay);
}
update_txavg(xpix,yval_avg);
update_txpeak(xpix,yval);
while( xpix < txtest_last_xpix) {
ia++;
m=fxpix+txtest_pixinc/2;
fxpix+=txtest_pixinc;
j=fxpix;
if(txtest_peak_power[ia] > 0.5) {
next_y=wg_yfac_log*log10(txtest_peak_power[ia]);
} else {
next_y=0;
}
der=(next_y-yval)/(j-xpix);
if(txtest_peak_power_decay[ia] > 0.5) {
next_y_decay=wg_yfac_log*log10(txtest_peak_power_decay[ia]);
} else {
next_y_decay=0;
}
der_decay=(next_y_decay-yval_decay)/(j-xpix);
if(txtest_powersum[ia] > 0.5) {
next_y_avg=wg_yfac_log*log10(txtest_powersum[ia]);
} else {
next_y_avg=0;
}
der_avg=(next_y_avg-yval_avg)/(j-xpix);
for(k=xpix; k<m; k++) {
yval=yval+der;
yval_avg=yval_avg+der_avg;
update_txavg(k,yval_avg);
if(txtest_decayfac1 < 0.5) {
yval_decay=yval_decay+der_decay;
update_txpeak_decay(k,yval_decay);
}
update_txpeak(k,yval);
}
xpix=fxpix;
yval=next_y-der*(xpix-m);
yval_avg=next_y_avg-der_avg*(xpix-m);
yval_decay=next_y_decay-der_decay*(xpix-m);
for(k=m; k<xpix; k++) {
yval=yval+der;
yval_avg=yval_avg+der_avg;
update_txavg(k,yval_avg);
if(txtest_decayfac1 < 0.5) {
yval_decay=yval_decay+der_decay;
update_txpeak_decay(k,yval_decay);
}
update_txpeak(k,yval);
}
yval=next_y;
yval_avg=next_y_avg;
yval_decay=next_y_decay;
}
}
void update_wg(int xpix,int new_y, char spk_color )
{
int i, old_y, sw;
char bkg_color;
old_y=fft1_spectrum[xpix];
if(new_y < 0)new_y=0;
new_y=wg.ybottom-1-new_y;
if(new_y < wg.yborder+1)new_y=wg.yborder+1;
sw=0;
if(old_y > 0) {
if(spk_color !=15)sw=1;
} else {
old_y=-old_y;
if(spk_color !=12)sw=1;
}
if(new_y!=old_y || sw!=0) {
bkg_color=wg_background[old_y];
if(xpix == mix1_curx[0]) {
bkg_color=MIX1_MAINCUR_COLOR;
} else {
for(i=1; i<genparm[MIX1_NO_OF_CHANNELS]; i++) {
if(xpix == mix1_curx[i]) {
bkg_color=MIX1_SUBCUR_COLOR;
}
}
}
lir_setpixel(xpix,old_y,bkg_color);
lir_setpixel(xpix,new_y,spk_color);
if(spk_color != 15)new_y=-new_y;
fft1_spectrum[xpix]=new_y;
}
}
void update_corr_wg(int xpix,int new_y)
{
int i, old_y;
char bkg_color;
old_y=fft1_corr_spectrum[xpix];
if(new_y < 0)new_y=0;
new_y=wg.ybottom-1-new_y;
if(new_y < wg.yborder+1)new_y=wg.yborder+1;
if(new_y!=old_y) {
bkg_color=wg_background[old_y];
if(xpix == mix1_curx[0]) {
bkg_color=MIX1_MAINCUR_COLOR;
} else {
for(i=1; i<genparm[MIX1_NO_OF_CHANNELS]; i++) {
if(xpix == mix1_curx[i]) {
bkg_color=MIX1_SUBCUR_COLOR;
}
}
}
lir_setpixel(xpix,old_y,bkg_color);
lir_setpixel(xpix,new_y,14);
fft1_corr_spectrum[xpix]=new_y;
}
}
void update_corr_tot_wg(int xpix,int new_y)
{
int i, old_y;
char bkg_color;
old_y=fft1_corr_spectrum_tot[xpix];
if(new_y < 0)new_y=0;
new_y=wg.ybottom-1-new_y;
if(new_y < wg.yborder+1)new_y=wg.yborder+1;
if(new_y!=old_y) {
bkg_color=wg_background[old_y];
if(xpix == mix1_curx[0]) {
bkg_color=MIX1_MAINCUR_COLOR;
} else {
for(i=1; i<genparm[MIX1_NO_OF_CHANNELS]; i++) {
if(xpix == mix1_curx[i]) {
bkg_color=MIX1_SUBCUR_COLOR;
}
}
}
lir_setpixel(xpix,old_y,bkg_color);
lir_setpixel(xpix,new_y,10);
fft1_corr_spectrum_tot[xpix]=new_y;
}
}
void update_wg_spectrum(void)
{
int i,m,mm, new_y, xpix;
int k, num, xpos, color;
float yval, der, t1;
double dt1, dt2;
char s[80];
char cl;
int ia, ib;
// fft1_spectrum is the y-value currently on screen.
// Calculate updated values and move the corresponding bright
// pixel in case the value has changed
latest_wg_spectrum_shown=latest_wg_spectrum;
hide_mouse(wg_first_xpixel, wg_last_xpixel, wg.yborder, wg.ybottom);
if(rx_mode == MODE_TXTEST) {
show_txtest_spectrum();
return;
}
for(num=0; num<genparm[MIX1_NO_OF_CHANNELS]; num++) {
if(new_mix1_curx[num]!=mix1_curx[num]) {
xpos=new_mix1_curx[num];
if(xpos!=-1) {
if(num==0) {
color=MIX1_MAINCUR_COLOR;
} else {
color=MIX1_SUBCUR_COLOR;
}
lir_line(xpos,wg.ybottom-1,xpos,wg.yborder+1,color);
if(kill_all_flag) return;
}
xpos=mix1_curx[num];
if(xpos!=-1) {
for(i=wg.yborder+1; i<wg.ybottom; i++) {
lir_setpixel(xpos,i, wg_background[i]);
}
}
mix1_curx[num]=new_mix1_curx[num];
}
}
if(wg.xpoints_per_pixel == 1 || wg.pixels_per_xpoint == 1) {
i=wg.first_xpoint;
for(xpix=wg_first_xpixel; xpix<=wg_last_xpixel; xpix++) {
if(liminfo[i]==0) {
cl=15;
} else {
cl=12;
}
update_wg(xpix,(int)(wg_yfac_log*log10(fft1_slowsum[i]*wg_yfac_power)),cl);
i++;
}
} else {
if(wg.xpoints_per_pixel == 0) {
// There are more pixels than data points so we must interpolate.
i=wg.first_xpoint+(wg_first_xpixel-wg_first_xpixel)/wg.pixels_per_xpoint;
if(fft1_slowsum[i] > FFT1_SMALL) {
new_y=wg_yfac_log*log10(fft1_slowsum[i]*wg_yfac_power);
} else {
new_y=0;
}
yval=new_y;
if(liminfo[i]==0) {
cl=15;
} else {
cl=12;
}
i++;
update_wg(wg_first_xpixel,new_y,cl);
for(xpix=wg_first_xpixel;
xpix<wg_last_xpixel; xpix+=wg.pixels_per_xpoint) {
if(fft1_slowsum[i] > FFT1_SMALL) {
t1=wg_yfac_log*log10(fft1_slowsum[i]*wg_yfac_power);
} else {
t1=0;
}
der=(t1-yval)/wg.pixels_per_xpoint;
m=xpix+wg.pixels_per_xpoint/2;
if(m>wg_last_xpixel)m=wg_last_xpixel;
for(k=xpix+1; k<=m; k++) {
yval=yval+der;
new_y=yval;
update_wg(k,new_y,cl);
}
if(liminfo[i]==0) {
cl=15;
} else {
cl=12;
}
mm=xpix+wg.pixels_per_xpoint;
if(mm>wg_last_xpixel)mm=wg_last_xpixel;
for(k=m+1; k<=mm; k++) {
yval=yval+der;
new_y=yval;
update_wg(k,new_y,cl);
}
i++;
yval=t1;
}
} else {
// There is more than one data point for each pixel.
// Slide a triangular filter across the spectrum to make it
// smoother before resampling.
i=wg.first_xpoint+(wg_first_xpixel-wg_first_xpixel)*wg.xpoints_per_pixel;
for(xpix=wg_first_xpixel; xpix<wg_last_xpixel; xpix++) {
if(liminfo[i]==0) {
cl=15;
} else {
cl=12;
}
t1=fft1_slowsum[i]*wg.xpoints_per_pixel;
for(k=1; k<wg.xpoints_per_pixel; k++) {
t1+=(fft1_slowsum[i+k]+fft1_slowsum[i-k])*(wg.xpoints_per_pixel-k);
if(liminfo[i+k]!=0||liminfo[i-k]!=0)cl=12;
}
new_y=wg_yfac_log*log10(t1*wg_yfac_power);
update_wg(xpix,new_y,cl);
i+=wg.xpoints_per_pixel;
}
}
}
if(fft1_correlation_flag) {
sprintf(s,"%d",slowcorr_tot_avgnum);
lir_pixwrite(wg.xright-text_width*strlen(s)-2,wg.yborder+text_height,s);
if(mix1_selfreq[0] > 0) {
ia=mix1_selfreq[0]/fft1_hz_per_point;
k=baseband_bw_hz/fft1_hz_per_point;
ib=ia+k;
ia-=k;
if(ia<0)ia=0;
if(ib>=fft1_size)ib=fft1_size-1;
dt1=0;
dt2=0;
for(i=ia; i<=ib; i++) {
dt2+=fft1_slowsum[i];
dt1+=sqrt(fft1_slowcorr_tot[2*i]*fft1_slowcorr_tot[2*i]+
fft1_slowcorr_tot[2*i+1]*fft1_slowcorr_tot[2*i+1]);
}
dt2*=wg_yfac_power;
if(wg.xpoints_per_pixel >= 1)dt2*=wg.xpoints_per_pixel*wg.xpoints_per_pixel;
dt1*=wg_corrtot_yfac_power/(float)slowcorr_tot_avgnum;
dt2/=dt1;
sprintf(s,"%6.2f",10*log10(dt2));
lir_pixwrite(wg.xright-text_width*strlen(s)-2,wg.yborder+2*text_height,s);
}
// fft1_corr_spectrum is the y-value currently on screen.
// Calculate updated values and move the corresponding bright
// pixel in case the value has changed
if(wg.xpoints_per_pixel == 1 || wg.pixels_per_xpoint == 1) {
i=wg.first_xpoint+wg_first_xpixel-wg_first_xpixel;
for(xpix=wg_first_xpixel; xpix<=wg_last_xpixel; xpix++) {
dt1=sqrt(fft1_slowcorr[2*i]*fft1_slowcorr[2*i]+
fft1_slowcorr[2*i+1]*fft1_slowcorr[2*i+1]);
if(dt1 > FFT1_SMALL) {
update_corr_wg(xpix,(int)(wg_yfac_log*log10(dt1*wg_yfac_power)));
}
dt1=sqrt(fft1_slowcorr_tot[2*i ]*fft1_slowcorr_tot[2*i ]+
fft1_slowcorr_tot[2*i+1]*fft1_slowcorr_tot[2*i+1]);
dt1/=(double)slowcorr_tot_avgnum;
update_corr_tot_wg(xpix,(int)(wg_yfac_log*log10(dt1*wg_corrtot_yfac_power)));
i++;
}
} else {
if(wg.xpoints_per_pixel == 0) {
// There are more pixels than data points so we must interpolate.
i=wg.first_xpoint+(wg_first_xpixel-wg_first_xpixel)/wg.pixels_per_xpoint;
dt1=sqrt(fft1_slowcorr[2*i ]*fft1_slowcorr[2*i]+
fft1_slowcorr[2*i+1]*fft1_slowcorr[2*i+1]);
if(dt1 > FFT1_SMALL) {
new_y=wg_yfac_log*log10(dt1*wg_yfac_power);
} else {
new_y=0;
}
yval=new_y;
i++;
update_corr_wg(wg_first_xpixel,new_y);
for(xpix=wg_first_xpixel;
xpix<wg_last_xpixel; xpix+=wg.pixels_per_xpoint) {
dt1=sqrt(fft1_slowcorr[2*i]*fft1_slowcorr[2*i]+
fft1_slowcorr[2*i+1]*fft1_slowcorr[2*i+1]);
if(dt1 > FFT1_SMALL) {
t1=wg_yfac_log*log10(dt1*wg_yfac_power);
} else {
t1=0;
}
der=(t1-yval)/wg.pixels_per_xpoint;
m=xpix+wg.pixels_per_xpoint/2;
if(m>wg_last_xpixel)m=wg_last_xpixel;
for(k=xpix+1; k<=m; k++) {
yval=yval+der;
new_y=yval;
update_corr_wg(k,new_y);
}
mm=xpix+wg.pixels_per_xpoint;
if(mm>wg_last_xpixel)mm=wg_last_xpixel;
for(k=m+1; k<=mm; k++) {
yval=yval+der;
new_y=yval;
update_corr_wg(k,new_y);
}