mirror of
https://github.com/fhem/fhem-mirror.git
synced 2025-01-31 12:49:34 +00:00
426 lines
13 KiB
Perl
Executable File
426 lines
13 KiB
Perl
Executable File
##############################################
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package main;
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use strict;
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use warnings;
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use POSIX;
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#use Devel::Size qw(size total_size);
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sub SVG_render($$$$$);
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sub time_to_sec($);
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sub fmtTime($$);
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my ($__lt, $__ltstr);
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#####################################
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sub
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SVG_Initialize($)
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{
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my ($hash) = @_;
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}
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#####################################
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sub
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SVG_render($$$$$)
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{
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my ($from, $to, $confp, $dp, $plot) = @_;
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my $th = 16; # "Font" height
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my ($x, $y) = (3*$th, 1.2*$th); # Rect offset
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my %conf; # gnuplot file settings
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# Convert the configuration to a "readable" form -> array to hash
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map { chomp; my @a=split(" ",$_, 3);
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if($a[0] && $a[0] eq "set") { $conf{$a[1]} = $a[2]; } } @{$confp};
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my $ps = "800,400";
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$ps = $1 if($conf{terminal} =~ m/.*size[ ]*([^ ]*)/);
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$conf{title} =~ s/'//g;
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my ($ow,$oh) = split(",", $ps); # Original width
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my ($w, $h) = ($ow-2*$x, $oh-2*$y); # Rect size
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# Html Header
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pO "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
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pO "<?xml-stylesheet href=\"$__ME/svg_style.css\" type=\"text/css\"?>\n";
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pO "<!DOCTYPE svg>\n";
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pO "<svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n";
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# Rectangle
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pO "<rect x=\"$x\" y=\"$y\" width =\"$w\" height =\"$h\"
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stroke-width=\"1px\" class=\"border\"/>\n";
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my ($off1,$off2) = ($ow/2, 3*$y/4);
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pO "<text x=\"$off1\" y=\"$off2\"
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class=\"title\" text-anchor=\"middle\">$conf{title}</text>\n";
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my $t = ($conf{ylabel} ? $conf{ylabel} : "");
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$t =~ s/"//g;
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($off1,$off2) = (3*$th/4, $oh/2);
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pO "<text x=\"$off1\" y=\"$off2\" text-anchor=\"middle\"
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class=\"ylabel\" transform=\"rotate(270,$off1,$off2)\">$t</text>\n";
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$t = ($conf{y2label} ? $conf{y2label} : "");
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$t =~ s/"//g;
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($off1,$off2) = ($ow-$th/4, $oh/2);
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pO "<text x=\"$off1\" y=\"$off2\" text-anchor=\"middle\"
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class=\"y2label\" transform=\"rotate(270,$off1,$off2)\">$t</text>\n";
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# Digest axes/title/type from $plot (gnuplot) and draw the line-titles
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my (@axes,@ltitle,@type);
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my $i;
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$i = 0; $plot =~ s/ axes (\w+)/$axes[$i++]=$1/gse;
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$i = 0; $plot =~ s/ title '([^']*)'/$ltitle[$i++]=$1/gse;
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$i = 0; $plot =~ s/ with (\w+)/$type[$i++]=$1/gse;
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for my $i (0..int(@type)-1) { # axes is optional
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$axes[$i] = "x1y2" if(!$axes[$i]);
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}
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($off1,$off2) = ($ow-$x-$th, $y+$th);
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for my $i (0..int(@ltitle)-1) {
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pO "<text x=\"$off1\" y=\"$off2\" text-anchor=\"end\" ".
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"class=\"l$i\">$ltitle[$i]</text>\n";
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$off2 += $th;
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}
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# Loop over the input, digest dates, calculate min/max values
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my ($fromsec, $tosec);
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$fromsec = time_to_sec($from) if($from ne "0"); # 0 is special
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$tosec = time_to_sec($to) if($to ne "9"); # 9 is special
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my $tmul;
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$tmul = $w/($tosec-$fromsec) if($tosec && $fromsec);
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my ($min, $max, $idx) = (99999999, -99999999, 0);
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my (%hmin, %hmax, @hdx, @hdy);
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my ($dxp, $dyp) = (\(), \());
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my ($d, $v, $ld, $lv) = ("","","","");
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my ($dpl,$dpoff,$l) = (length($$dp), 0, "");
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while($dpoff < $dpl) { # using split instead is memory hog
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my $ndpoff = index($$dp, "\n", $dpoff);
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if($ndpoff == -1) {
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$l = substr($$dp, $dpoff);
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} else {
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$l = substr($$dp, $dpoff, $ndpoff-$dpoff);
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}
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$dpoff = $ndpoff+1;
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if($l =~ m/^#/) {
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my $a = $axes[$idx];
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if(defined($a)) {
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$hmin{$a} = $min if(!defined($hmin{$a}) || $hmin{$a} > $min);
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$hmax{$a} = $max if(!defined($hmax{$a}) || $hmax{$a} < $max);
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}
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($min, $max) = (99999999, -99999999);
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$hdx[$idx] = $dxp; $hdy[$idx] = $dyp;
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($dxp, $dyp) = (\(), \());
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$idx++;
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} else {
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($d, $v) = split(" ", $l);
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$d = ($tmul ? int((time_to_sec($d)-$fromsec)*$tmul) : $d);
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if($ld ne $d || $lv ne $v) { # Saves a lot on year zoomlevel
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$ld = $d; $lv = $v;
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push @{$dxp}, $d;
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push @{$dyp}, $v;
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$min = $v if($min > $v);
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$max = $v if($max < $v);
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}
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}
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last if($ndpoff == -1);
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}
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$dxp = $hdx[0];
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if($dxp && int(@{$dxp}) < 2 && !$tosec) { # not enough data and no range...
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pO "</svg>\n";
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return;
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}
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if(!$tmul) { # recompute the x data if no range sepcified
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$fromsec = time_to_sec($dxp->[0]) if(!$fromsec);
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$tosec = time_to_sec($dxp->[int(@{$dxp})-1]) if(!$tosec);
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$tmul = $w/($tosec-$fromsec);
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for my $i (0..@hdx-1) {
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$dxp = $hdx[$i];
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for my $i (0..@{$dxp}-1) {
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$dxp->[$i] = int((time_to_sec($dxp->[$i])-$fromsec)*$tmul);
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}
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}
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}
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# Compute & draw vertical tics, grid and labels
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my $ddur = ($tosec-$fromsec)/86400;
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my ($first_tag, $tag, $step, $tstep, $aligntext, $aligntics);
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if($ddur <= 0.5) {
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$first_tag=". 2 1"; $tag=": 3 4"; $step = 3600; $tstep = 900;
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} elsif($ddur <= 1) {
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$first_tag=". 2 1"; $tag=": 3 4"; $step = 4*3600; $tstep = 3600;
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} elsif ($ddur <= 7) {
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$first_tag=". 6"; $tag=". 2 1"; $step = 24*3600; $tstep = 6*3600;
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} elsif ($ddur <= 31) {
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$first_tag=". 6"; $tag=". 2 1"; $step = 7*24*3600; $tstep = 24*3600;
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$aligntext = 1;
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} else {
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$first_tag=". 6"; $tag=". 1"; $step = 28*24*3600; $tstep = 28*24*3600;
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$aligntext = 2; $aligntics = 2;
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}
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# First the tics
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$off2 = $y+4;
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my ($off3, $off4) = ($y+$h-4, $y+$h);
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my $initoffset = $tstep;
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$initoffset = int(($tstep/2)/86400)*86400 if($aligntics);
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for(my $i = $fromsec+$initoffset; $i < $tosec; $i += $tstep) {
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$i = time_align($i,$aligntics);
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$off1 = int($x+($i-$fromsec)*$tmul);
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pO "<polyline points=\"$off1,$y $off1,$off2\"/>\n";
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pO "<polyline points=\"$off1,$off3 $off1,$off4\"/>\n";
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}
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# then the text and the grid
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$off1 = $x;
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$off2 = $y+$h+$th;
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$t = fmtTime($first_tag, $fromsec);
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pO "<text x=\"0\" y=\"$off2\" class=\"ylabel\">$t</text>";
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$initoffset = $step;
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$initoffset = int(($step/2)/86400)*86400 if($aligntext);
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for(my $i = $fromsec+$initoffset; $i < $tosec; $i += $step) {
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$i = time_align($i,$aligntext);
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$off1 = int($x+($i-$fromsec)*$tmul);
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pO "<polyline points=\"$off1,$y $off1,$off4\" class=\"hgrid\"/>\n";
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$t = fmtTime($tag, $i);
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pO "<text x=\"$off1\" y=\"$off2\" class=\"ylabel\"
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text-anchor=\"middle\">$t</text>";
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}
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# Left and right axis tics / text / grid
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$hmin{x1y1}=$hmin{x1y2}, $hmax{x1y1}=$hmax{x1y2} if(!defined($hmin{x1y1}));
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$hmin{x1y2}=$hmin{x1y1}, $hmax{x1y2}=$hmax{x1y1} if(!defined($hmin{x1y2}));
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for my $axis ("x1y1", "x1y2") {
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# Round values, compute a nice step
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next if(!defined($hmax{$axis}));
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my $dh = $hmax{$axis} - $hmin{$axis};
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my ($step, $mi, $ma);
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my @limit = (1,2,5,10,20,50,100,200,500,1000,2000,5000,10000);
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for my $li (0..int(@limit)-1) {
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my $l = $limit[$li];
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next if($dh > $l);
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$ma = doround($hmax{$axis}, $l/10, 1);
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$mi = doround($hmin{$axis}, $l/10, 0);
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if(($ma-$mi)/($l/10) >= 7) { # If more then 7 steps, then choose next
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$l = $limit[$li+1];
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$ma = doround($hmax{$axis}, $l/10, 1);
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$mi = doround($hmin{$axis}, $l/10, 0);
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}
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$step = $l/10;
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last;
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}
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# yrange handling
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my $yr = ($axis eq "x1y1" ? "yrange" : "y2range");
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if($conf{$yr} && $conf{$yr} =~ /\[(.*):(.*)\]/) {
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$mi = $1 if($1 ne "");
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$ma = $2 if($2 ne "");
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}
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$hmax{$axis} = $ma;
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$hmin{$axis} = $mi;
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# Draw the horizontal values and grid
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my $hmul = $h/($ma-$mi);
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$off1 = ($axis eq "x1y1" ? $x-$th*0.3 : $x+$w+$th*0.3);
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$off3 = ($axis eq "x1y1" ? $x : $x+$w-5);
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$off4 = $off3+5;
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$yr = ($axis eq "x1y1" ? "ytics" : "y2tics");
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my $tic = $conf{$yr};
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if($tic && $tic !~ m/mirror/) { # Tics specified in the configfile
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$tic =~ s/^\((.*)\)$/$1/; # Strip ()
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foreach my $onetic (split(",", $tic)) {
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$onetic =~ s/^ *(.*) *$/$1/;
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my ($tlabel, $tvalue) = split(" ", $onetic);
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$tlabel =~ s/^"(.*)"$/$1/;
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$off2 = int($y+($ma-$tvalue)*$hmul);
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pO "<polyline points=\"$off3,$off2 $off4,$off2\"/>\n";
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$off2 += $th/4;
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my $align = ($axis eq "x1y1" ? " text-anchor=\"end\"" : "");
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pO "<text x=\"$off1\" y=\"$off2\" class=\"ylabel\"$align>
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$tlabel</text>";
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}
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} else { # Auto-tic
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for(my $i = $mi; $i <= $ma; $i += $step) {
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$off2 = int($y+($ma-$i)*$hmul);
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pO "<polyline points=\"$off3,$off2 $off4,$off2\"/>\n";
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if($axis eq "x1y2") {
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my $o6 = $x+$w;
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pO "<polyline points=\"$x,$off2 $o6,$off2\" class=\"vgrid\"/>\n";
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}
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$off2 += $th/4;
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my $align = ($axis eq "x1y1" ? " text-anchor=\"end\"" : "");
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pO "<text x=\"$off1\" y=\"$off2\" class=\"ylabel\"$align>$i</text>";
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}
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}
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}
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# Second loop over the data: draw the measured points
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for my $idx (0..int(@hdx)-1) {
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my $a = $axes[$idx];
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next if(!defined($a));
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$min = $hmin{$a};
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$hmax{$a} += 1 if($min == $hmax{$a}); # Else division by 0 in the next line
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my $hmul = $h/($hmax{$a}-$min);
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my $ret = "";
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my ($dxp, $dyp) = ($hdx[$idx], $hdy[$idx]);
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next if(!defined($dxp));
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my ($lx, $ly) = (-1,-1);
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if($type[$idx] eq "points" ) {
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foreach my $i (0..int(@{$dxp})-1) {
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my ($x1, $y1) = (int($x+$dxp->[$i]),
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int($y+$h-($dyp->[$i]-$min)*$hmul));
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next if($x1 == $lx && $y1 == $ly);
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$ly = $x1; $ly = $y1;
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$ret = sprintf(" %d,%d %d,%d %d,%d %d,%d %d,%d",
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$x1-3,$y1, $x1,$y1-3, $x1+3,$y1, $x1,$y1+3, $x1-3,$y1);
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pO "<polyline points=\"$ret\" class=\"l$idx\"/>\n";
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}
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} elsif($type[$idx] eq "steps" || $type[$idx] eq "fsteps" ) {
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if(@{$dxp} == 1) {
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my $y1 = $y+$h-($dyp->[0]-$min)*$hmul;
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$ret .= sprintf(" %d,%d %d,%d %d,%d %d,%d",
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$x,$y+$h, $x,$y1, $x+$w,$y1, $x+$w,$y+$h);
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} else {
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foreach my $i (1..int(@{$dxp})-1) {
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my ($x1, $y1) = ($x+$dxp->[$i-1], $y+$h-($dyp->[$i-1]-$min)*$hmul);
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my ($x2, $y2) = ($x+$dxp->[$i], $y+$h-($dyp->[$i] -$min)*$hmul);
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next if(int($x2) == $lx && int($y1) == $ly);
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$lx = int($x2); $ly = int($y2);
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if($type[$idx] eq "steps") {
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$ret .= sprintf(" %d,%d %d,%d %d,%d", $x1,$y1, $x2,$y1, $x2,$y2);
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} else {
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$ret .= sprintf(" %d,%d %d,%d %d,%d", $x1,$y1, $x1,$y2, $x2,$y2);
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}
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}
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}
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pO "<polyline points=\"$ret\" class=\"l$idx\"/>\n";
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} elsif($type[$idx] eq "histeps" ) {
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if(@{$dxp} == 1) {
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my $y1 = $y+$h-($dyp->[0]-$min)*$hmul;
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$ret .= sprintf(" %d,%d %d,%d %d,%d %d,%d",
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$x,$y+$h, $x,$y1, $x+$w,$y1, $x+$w,$y+$h);
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} else {
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foreach my $i (1..int(@{$dxp})-1) {
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my ($x1, $y1) = ($x+$dxp->[$i-1], $y+$h-($dyp->[$i-1]-$min)*$hmul);
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my ($x2, $y2) = ($x+$dxp->[$i], $y+$h-($dyp->[$i] -$min)*$hmul);
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next if(int($x2) == $lx && int($y1) == $ly);
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$lx = int($x2); $ly = int($y2);
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$ret .= sprintf(" %d,%d %d,%d %d,%d %d,%d",
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$x1,$y1, ($x1+$x2)/2,$y1, ($x1+$x2)/2,$y2, $x2,$y2);
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}
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}
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pO "<polyline points=\"$ret\" class=\"l$idx\"/>\n";
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} else { # lines and everything else
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foreach my $i (0..int(@{$dxp})-1) {
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my ($x1, $y1) = (int($x+$dxp->[$i]),
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int($y+$h-($dyp->[$i]-$min)*$hmul));
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next if($x1 == $lx && $y1 == $ly);
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$lx = $x1; $ly = $y1;
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$ret .= sprintf(" %d,%d", $x1, $y1);
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}
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pO "<polyline points=\"$ret\" class=\"l$idx\"/>\n";
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}
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}
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pO "</svg>\n";
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}
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sub
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time_to_sec($)
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{
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my ($str) = @_;
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if(!$str) {
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return 0;
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}
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my ($y,$m,$d,$h,$mi,$s) = split("[-_:]", $str);
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$s = 0 if(!$s);
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$mi= 0 if(!$mi);
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$h = 0 if(!$h);
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$d = 1 if(!$d);
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$m = 1 if(!$m);
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if(!$__ltstr || $__ltstr ne "$y-$m-$d") { # 2.5x faster
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$__lt = mktime(0,0,0,$d,$m-1,$y-1900,0,0,-1);
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$__ltstr = "$y-$m-$d";
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}
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return $s+$mi*60+$h*3600+$__lt;
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}
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sub
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fmtTime($$)
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{
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my ($sepfmt, $sec) = @_;
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my @tarr = split("[ :]+", localtime($sec));
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my ($sep, $fmt) = split(" ", $sepfmt, 2);
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my $ret = "";
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for my $f (split(" ", $fmt)) {
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$ret .= $sep if($ret);
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$ret .= $tarr[$f];
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}
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return $ret;
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}
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sub
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time_align($$)
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{
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my ($v,$align) = @_;
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return $v if(!$align);
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if($align == 1) { # Look for the beginning of the week
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for(;;) {
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my @a = localtime($v);
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return $v if($a[6] == 0);
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$v += 86400;
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}
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}
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if($align == 2) { # Look for the beginning of the month
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for(;;) {
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my @a = localtime($v);
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return $v if($a[3] == 1);
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$v += 86400;
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}
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}
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}
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sub
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|
doround($$$)
|
|
{
|
|
my ($v, $step, $isup) = @_;
|
|
if($v >= 0) {
|
|
return (int($v/$step))*$step+($isup ? $step : 0);
|
|
} else {
|
|
return (int($v/$step))*$step+($isup ? 0 : -$step);
|
|
}
|
|
}
|
|
1;
|