use GD;
sub LineChart
{
my %parm;
my (@barcolrs);
my ($g, $v);
while (@_)
{
$v = shift;
$v =~ s/^\-//;
$parm{$v} = shift;
#print "
111 parm name=$v= set to =$parm{$v}=\n";
}
#print "
========= *START* ????? barysiz=$parm{barysiz}=\n";
my ($ycnt, $h, $i, $j, $legendx, $legendy, $mapstr, @l);
my ($sfw,$sfh) = (gdSmallFont->width,gdSmallFont->height);
my ($lfw,$lfh) = (gdLargeFont->width,gdSmallFont->height);
my ($sfh_1) = $sfh - 1;
my ($sfh2) = $sfh + 2;
my ($sfh_2) = int($sfh / 2);
#SET UP PARAMETER DEFAULTS.
#$parm{lmgn} = 60 unless($parm{lmgn});
$parm{rmgn} = 20 unless($parm{rmgn});
#$parm{bmgn} = 80 unless($parm{bmgn});
$parm{minlmgn} ||= 20; #ADDED 20030910.
my @titles;
@titles = split(/\n|\
/i, $parm{title}) if (defined($parm{title}));
unless($tmgn)
{
$parm{tmgn} = $parm{minlmgn};
#$parm{tmgn} += $lfh if (defined($parm{title}));
$parm{tmgn} += ($lfh+2)*scalar(@titles) + $sfh if ($#titles >= 0);
}
#$parm{barcolor} = 'blue' unless ($parm{barcolor});
#$parm{bgcolor} = 'white' unless ($parm{bgcolor});
$parm{valcolor} = 'white' unless ($parm{valcolor});
$parm{axiscolor} = 'black' unless ($parm{axiscolor});
$parm{titlecolor} = $parm{axiscolor} unless ($parm{titlecolor});
$parm{valxcolor} = $parm{axiscolor} unless ($parm{valxcolor});
my ($useindividualcolors) = 0;
$useindividualcolors = 1 if (defined($parm{barcolors}));
$parm{barcolors} = [qw(Steelblue4 DarkGreen brown4 Yellow3 darkorchid skyblue darkorange olivedrab khaki salmon bisque4 gray)] unless(defined($parm{barcolors}));
if (defined($parm{barcolor}) and !$useindividualcolors)
{
$parm{barcolors} = [$parm{barcolor}];
}
#elsif (defined($parm{xlegend}) && $#{$parm{barcolors}} > 0)
#{
# $#{$parm{barcolors}} = $#{$parm{xlegend}} if ($#{$parm{barcolors}} > $#{$parm{xlegend}});
#}
#elsif (!$useindividualcolors and !defined($parm{barcolor})) #CHGD. TO NEXT 20050203.
elsif (!defined($parm{barcolor}))
{
$parm{barcolor} = ${$parm{barcolors}}[0];
}
$parm{gridcolor} = $parm{barcolor} unless ($parm{gridcolor});
$parm{headercolor} = $parm{barcolor} unless ($parm{headercolor});
#print "
headercolor=$parm{headercolor}= barcolor=$parm{barcolor}=\n";
$parm{bordercolor} = 'black' unless ($parm{bordercolor});
$ycnt = $#{$parm{xlegend}} + 1 if (defined($parm{xlegend}));
$ycnt = 1 unless ($ycnt > 1);
my ($yvalcnt) = $ycnt * ($#{$parm{xvals}}+1); #NO. OF YVALS THERE "SHOULD" BE.
#THIS LOOP WAS COMMENTED OUT, NOT SURE WHY - I UNCOMMENTED 20041005 FOR ROCKPILE=2 TO GET IT TO FILL IN COLORS.
for ($i=0;$i<$yvalcnt;$i++) #MAKE SURE ALL Y-VALUES HAVE A VALUE!
{
#if (defined(${$parm{yvals}}[$i]))
#{
${$parm{yvals}}[$i] = '0' unless (${$parm{yvals}}[$i]);
#print "
YVALS($i)=${$parm{yvals}}[$i]=\n";
#}
#print "
yyyy=${$parm{yvals}}[$i]= cnt=$#{$parm{yvals}}=\n";
}
#print "
-yvalcnt=$yvalcnt= yvals=".join('|',@{$parm{yvals}})."=\n";
if (defined($parm{yloval}))
{
#print "
----yloval defined as $parm{yloval}.\n";
$parm{ymin} = $parm{yloval};
$ymin = $parm{ymin};
}
else
{
$parm{ymin} = 99999;
$parm{ymin} = 0 if (defined($parm{yhival}));
}
if (defined($parm{yhival}))
{
#print "
----yhival defined as $parm{yhival}.\n";
$parm{ymax} = $parm{yhival};
$ymax = $parm{ymax};
}
else
{
$parm{ymax} = -99999;
}
#$parm{ymax} = $parm{yhival};
#YVALPREFIX & YVALSUFFIX ADDED 20050204 TO APPEND "$" AND OR "%" TO VALUES FOR DISPLAY!
my $yvalprefix = defined $parm{yvalprefix} ? $parm{yvalprefix} : '';
my $yvalsuffix .= defined $parm{yvalsuffix} ? $parm{yvalsuffix} : '';
unless (defined($parm{yhival}) && defined($parm{yloval})) #CALCULATE HIGH AND LO Y-VALUES.
{
#print"
????? either yloval or yhival not defined! ycnt=$ycnt\n";
for ($j=0;$j<=$#{$parm{yvals}};$j+=$ycnt) #FIND LOWEST & HIGHEST Y.
{
for ($i=0;$i<$ycnt;$i++)
{
$_ = $i + $j;
if (defined(${$parm{yvals}}[$_]))
{
$parm{ymin} = ${$parm{yvals}}[$_] unless ($parm{ymin} <= ${$parm{yvals}}[$_]);
$parm{ymax} = ${$parm{yvals}}[$_] unless ($parm{ymax} >= ${$parm{yvals}}[$_]);
}
#print "
???? i=$i= cash=$_= ymin=$parm{ymin}= ymax=$parm{ymax}= val=${$parm{yvals}}[$_]=\n";
}
}
$ymin = $parm{ymin};
$ymax = $parm{ymax};
my ($ygrid);
if ($parm{yInc} && defined($parm{ybase})) #FIND NEXT EVEN GRIDPOINTS.
{
unless ($parm{yloval})
{
$y = $parm{ybase};
$y -= $parm{yInc} while ($y > $parm{ymin});
$parm{ymin} = $y;
}
unless ($parm{yhival})
{
$y = $parm{ybase};
$y += $parm{yInc} while ($y < $parm{ymax});
$parm{ymax} = $y;
}
$parm{yInc} = ($parm{ymax} - $parm{ymin}) / $parm{ygrid} if ($parm{ygrid} > 0);
}
else
{
if (defined($parm{ygrid}))
{
$ygrid = $parm{ygrid};
}
else
{
$parm{ygrid} = 4;
}
if (defined($parm{ybase}))
{
$parm{ymin} = $parm{ybase} if ($parm{ymin} > $parm{ybase});
$parm{ymax} = $parm{ybase} if ($parm{ymax} < $parm{ybase});
my ($yrange) = $parm{ymax} - $parm{ymin};
if ($parm{ymin} < $parm{ybase} && $parm{ymax} > $parm{ybase})
{
for ($j=$parm{ygrid};$j>=$parm{ygrid}-1;$j--)
{
$parm{yInc} = &fincx($yrange,$j);
$ymin = $parm{ybase};
while ($ymin > $parm{ymin})
{
$ymin -= $parm{yInc};
}
$ymax = $ymin + $parm{yInc} * $parm{ygrid};
#print "
???2 Inc=$parm{yInc}= grid=$j= ymin=$ymin= ymax=$ymax= parm(ymax)=$parm{ymax}=\n";
last if ($ymax >= $parm{ymax});
}
$parm{ymin} = $ymin;
unless ($ygrid)
{
while ($parm{ygrid} && $ymax > $parm{ymax})
{
--$parm{ygrid};
$ymax -= $parm{yInc};
}
$parm{ygrid} = 1 unless ($parm{ygrid});
#print "
???3 Inc=$parm{yInc}= grid=$j= ymax=$ymax= parm(ymax)=$parm{ymax}=\n";
unless ($ymax >= $parm{ymax})
{
++$parm{ygrid};
$ymax += $parm{yInc};
}
}
$parm{ymax} = $ymax;
#print "
???4 Inc=$parm{yInc}= grid=$j= ymax=$ymax= parm(ymax)=$parm{ymax}=\n";
}
else
{
$parm{yInc} = &fincx($yrange,$parm{ygrid});
$parm{ymax} = $parm{yInc} * $parm{ygrid};
}
}
else
{
unless ($parm{yInc})
{
$parm{yInc} = &fincx(($parm{ymax} - $parm{ymin}),
$parm{ygrid});
$parm{ymax} = $parm{ymin} + $parm{yInc} * $parm{ygrid};
#print "
??? Inc=$parm{yInc}= grid=$parm{ygrid}= ymax=$ymax= parm(ymax)=$parm{ymax}=\n";
}
}
}
}
#print "
ymin=$parm{ymin}; ymax=$parm{ymax}; yInc=$parm{yInc}; \n";
$parm{ymax} = $parm{ygrid} unless ($parm{ymin} || $parm{ymax});
unless ($parm{lmgn}) #CALCULATE LEFT MARGIN, IF NOT SPECIFIED.
{
if (length("$parm{ymin}") > length("$parm{ymax}"))
{
$x = length(&commatize($parm{ymin}, $parm{commatize}, $yvalprefix, $yvalsuffix));
}
else
{
$x = length(&commatize($parm{ymax}, $parm{commatize}, $yvalprefix, $yvalsuffix));
}
#$parm{lmgn} = ($x*$sfw) + 23;
$parm{lmgn} = ($x*$sfw) + $sfw + $parm{minlmgn};
$parm{lmgn} += $sfh + 2 if (defined($parm{ytitle}));
}
my ($pointdiam) = 0;
#$pointdiam = abs($parm{points}) if (defined($parm{points}));
#my ($pointdiam0) = $pointdiam;
#$pointdiam0 = 1 if ($parm{points} > 0);
#$pointrad = $pointdiam / 2;
$pointrad = 0;
if (defined ($parm{points}) && @{$parm{points}})
{
for ($i=0;$i<=$#{$parm{points}};$i++)
{
$pointrad = ${$parm{points}}[$i] if ($pointrad < ${$parm{points}}[$i]);
}
}
elsif ($parm{points} > 0)
{
$pointrad = $parm{points};
}
my ($xvallines) = 0;
foreach (@{@parm{xvals}}) #REPLACED WITH NEXT ADDITION 20030408.
{
(@l) = split(/\n/);
$xvallines = $#l if ($#l > $xvallines);
}
#print "
0:bmgn=$parm{bmgn}= show=$parm{showvalues}=\n";
$truebmgn = $parm{bmgn} || 30;
unless ($parm{bmgn}) #CALCULATE BOTTOM MARGIN, IF NOT SPECIFIED.
{
#print "-0: bmgn=$parm{bmgn}= xv=$xvallines= pr=$pointrad= sfh=$sfh= s2=$sfh2= min=$parm{minlmgn}\n";
$parm{bmgn} = ($xvallines+1)*$sfh + 3 + $pointrad + $parm{minlmgn}; #CALCULATE BOTTOM MARGIN, IF NOT SPECIFIED.
#print "-1: bmgn=$parm{bmgn}= ycnt=$ycnt=\n";
$parm{bmgn} += ($ycnt*$sfh) + 4 if ($parm{showvalues} =~ /bottom/i);
#print "-2: bmgn=$parm{bmgn}= \n";
$parm{bmgn} += $sfh + 4 if (defined($parm{xtitle}));
#print "-3: bmgn=$parm{bmgn}= \n";
#$parm{bmgn} += ($pointrad*2) + 4 if (defined($parm{xlegend}));
$parm{bmgn} += $sfh2 if (defined($parm{xlegend}));
#print "-4: bmgn=$parm{bmgn}= \n";
$parm{bmgn} += $sfh + 4 if ($parm{showvalues} =~ /total/i);
#print "-5: bmgn=$parm{bmgn}= \n";
}
unless ($parm{maxxsiz})
{
#$parm{barxsiz} = 60 unless ($parm{barxsiz});
unless ($parm{barxsiz})
{
$x = 0;
foreach (@{$parm{xvals}}) #FIND WIDEST X HEADER TO COMPUTE LINE SIZE.
{
(@l) = split(/\n/);
for ($k=0;$k<=$#l;$k++)
{
$i = $sfw * length($l[$k]);
$x = $i unless ($x > $i);
}
}
$parm{barxsiz} = $x + 4;
}
$parm{maxxsiz} = ($parm{barxsiz} * ($#{$parm{xvals}}+1)) + $parm{lmgn} + $parm{rmgn};
if (defined($parm{xlegend})) #IF LEGENDS WIDER THAN CHART, WIDEN CHART!
{
$legendx = $parm{minlmgn};
$ix = 0;
$i = $sfh2 + 7;
foreach (@{$parm{xlegend}})
{
$_ = length(${$parm{xlegend}}[$ix]);
$legendx += $i + ($sfw * $_) if ($_);
++$ix;
}
$legendx += 2 * $parm{minlmgn};
$parm{maxxsiz} = $legendx if ($parm{maxxsiz} < $legendx);
#IF ANY TITLE LINE IS WIDER THAN CHART, WIDEN CHART.
for (my $i=0;$i<=$#titles;$i++)
{
$_ = $lfw*length($titles[$i]) + (2 * $parm{minlmgn});
$parm{maxxsiz} = $_ if ($parm{maxxsiz} < $_);
}
}
}
else
{
unless ($parm{barxsiz})
{
$parm{barxsiz} = ($#{$parm{xvals}} >= 0)
? ($parm{maxxsiz} - ($parm{lmgn} + $parm{rmgn})) / ($#{$parm{xvals}}+1)
: 10;
}
}
unless ($parm{maxysiz})
{
$parm{barysiz} = 1 unless ($parm{barysiz});
#print "
????? 1 ????? barysiz=$parm{barysiz}=\n";
$parm{maxysiz} = ($parm{barysiz} * ($parm{ymax} - $parm{ymin})) + $parm{bmgn} + $parm{tmgn};
}
else
{
#print "
??? maxy=$parm{maxysiz}, t=$parm{tmgn}; b=$parm{bmgn}; ymax=$parm{ymax}; ymin=$parm{ymin}; barysiz=$parm{barysiz}.\n";
$parm{barysiz} = ($parm{maxysiz} - ($parm{tmgn} + $parm{bmgn})) / ($parm{ymax} - $parm{ymin}) unless ($parm{barysiz});
}
#print "
barxsiz=$parm{barxsiz}; barysiz=$parm{barysiz};\n";
unless ($parm{barpct})
{
$parm{barpct} = 80;
$parm{barpct} = 100 if ($parm{barxsiz} < 10);
}
my ($ydiff) = $parm{ymax} - $parm{ymin};
$chartxsiz = $parm{barxsiz} * ($#{$parm{xvals}}+1); #(PIXELS)
#$chartysiz = $parm{barysiz} * $ydiff;
$chartysiz = $parm{barysiz} * ($parm{ymax} - $parm{ymin});
unless ($parm{ygrid}) #CALCULATE YGRID (# OF GRID LINES), IF NECESSARY.
{
##IF Y IS AN LOV, SET YGRID TO # OF ELEMENTS IN LOV!
if ($parm{yInc}) #IF YINC SET, USE YINC.
{
$parm{ygrid} = $ydiff / $parm{yInc} if ($parm{yInc});
}
else
{
$parm{ygrid} = 4;
}
}
unless ($parm{yInc})
{
$parm{yInc} = $ydiff / $parm{ygrid};
}
$parm{ybase} = $parm{ymin} unless (defined($parm{ybase}));
#print "
----final values: maxxsiz=$parm{maxxsiz}; maxysiz=$parm{maxysiz}; ybase=$parm{ybase}; yInc=$parm{yInc}; ygrid=$parm{ygrid}.\n";
my ($g) = new GD::Image($parm{maxxsiz},$parm{maxysiz});
#CONVERT COLOR NAMES TO RGB VALUES.
#print "
barcolors=".join('|',@{$parm{barcolors}})."=\n";
#if (open(RGB,")
{
chomp;
($rr,$gg,$bb,$color) = split(' ');
$color = "\L$color\E";
foreach (qw(bar bg val axis grid title valx header border))
{
$x = $parm{$_."color"};
${$_."colr"} = $g->colorAllocate($rr,$gg,$bb) if ($color eq "\L$x\E");
}
for($j=0;$j<=$#{$parm{barcolors}};$j++)
{
if ($color eq "\L${$parm{barcolors}}[$j]\E")
#if ($color eq ${$parm{barcolors}}[$j])
{
$i = $g->colorAllocate($rr,$gg,$bb);
$barcolrs[$j] = $i;
}
}
}
close (RGB);
my (@colorindex) = (0..$#{$parm{barcolors}});
for ($j=0;$j<$parm{shiftcolors};$j++)
{
$ix = shift(@barcolrs);
@barcolrs = (@barcolrs,$ix);
}
}
#SET UP DEFAULTS FOR ANY MISSING COLORS.
$barcolr = $g->colorAllocate(0,0,0) unless ($barcolr);
$valcolr = $g->colorAllocate(0,0,0) unless ($valcolr);
$axiscolr = $g->colorAllocate(0,0,0) unless ($axiscolr);
$gridcolr = $g->colorAllocate(0,0,0) unless ($gridcolr);
#$bgcolr = $g->colorAllocate(127,127,127) unless ($bgcolr);
if ($#barcolrs <= 0) #FILL OUT COLOR ARRAY WITH BAR-COLOR IF NOT SPECIFIED.
{
for ($j=0;$j<=$ycnt;$j++)
{
$barcolrs[$j] = $barcolr;
}
}
elsif ($useindividualcolors && $ycnt == 1) #SINGLE LINE, BUT COLOR EACH POINT INDIVIDUALLY 19991222.
{
my ($bc1) = scalar(@barcolrs);
for ($j=0;$j<=$#{$parm{yvals}};$j++)
{
$barcolrs[$j] = $barcolrs[($j % $bc1)];
#print "
??? bc($j)=$barcolrs[$j]=\n";
}
$useindividualcolors = 2;
}
elsif ($#barcolrs < $ycnt) #FILL OUT COLOR ARRAY TO MATCH Y-ARRAY.
{
my $barcolrcnt = $#barcolrs+1; #VARIABLE ADDED 20040412 TO FIX BUG.
for ($j=$#barcolrs+1;$j<$ycnt;$j++)
{
$barcolrs[$j] = $barcolrs[($j % $barcolrcnt)];
}
}
#print "
ycnt=$ycnt=\n";
if (defined($parm{bgcolor}))
{
#print "
??? bgcolor=$parm{bgcolor}= bgcolr=$bgcolr=\n";
#$g->transparent($bgcolr); #MAKE THE BACKGROUND COLOR TRANSPARENT.
$g->fill(1,1,$bgcolr);
}
for (0..($parm{border}-1))
{
$g->rectangle($_,$_,($parm{maxxsiz}-($_+1)),($parm{maxysiz}-($_+1)),$bordercolr);
}
my $barylo = $parm{tmgn} + ($chartysiz * (($parm{ymax}-$parm{ybase}) / ($parm{ymax}-$parm{ymin})));
#DRAW THE X AND Y AXES.
$g->line($parm{lmgn},$barylo,($parm{lmgn}+$chartxsiz),$barylo,$axiscolr);
$g->line($parm{lmgn},$parm{tmgn},$parm{lmgn},($parm{tmgn}+$chartysiz),$axiscolr);
$g->line(($parm{lmgn}+$chartxsiz),$parm{tmgn},($parm{lmgn}+$chartxsiz),
($parm{tmgn}+$chartysiz),$axiscolr) if ($parm{rockpile});
#NOW DRAW THE HORIZONTAL GRID LINES.
#print "-ygrid=$ygrid/$parm{ygrid}= yinc=$parm{yinc}= yInc=$parm{yInc}=\n";
my $ydelta = $parm{barysiz} * $parm{yInc};
#print "-1: delta=$ydelta=\n";
my $yhead = $parm{ybase};
my ($myyval) = &commatize($yhead,$parm{commatize}, $yvalprefix, $yvalsuffix);
my $yheadxmax = length($myyval) if(defined($parm{ytitle}));
#print "
yhead=$yhead= myyval=$myyval= yheadmax=$yheadxmax=\n";
$g->string(gdSmallFont,$parm{lmgn}-((length($myyval)*$sfw)+3),$barylo-($sfh/2),
$myyval,$headercolr);
## $yhead = $parm{ybase} + $parm{yInc};
$yhead = $parm{ybase};
## $y = $barylo - $ydelta;
$y = $barylo;
while ($y >= $parm{tmgn}-1)
{
$myyval = &commatize($yhead,$parm{commatize}, $yvalprefix, $yvalsuffix);
unless ($parm{rockpile})
{
if ($parm{ygriddashed})
{
$g->dashedLine($parm{lmgn}-4,$y,($parm{lmgn}+$chartxsiz),$y,$gridcolr);
}
else
{
$g->line($parm{lmgn}-4,$y,($parm{lmgn}+$chartxsiz),$y,$gridcolr);
}
}
$g->string(gdSmallFont,$parm{lmgn}-((length($myyval)*$sfw)+3),$y-($sfh/2),
$myyval,$headercolr);
$y -= $ydelta;
$yheadxmax = length($myyval) if (defined($parm{ytitle}) && (length($myyval) > $yheadxmax));
#print "
??? yheadmax =$yheadmax= y=$myyval= l=".length($myyval)."=\n";
$yhead += $parm{yInc};
}
$yhead = $parm{ybase} - $parm{yInc};
$y = $barylo + $ydelta;
#print "
ydelta=$ydelta= tmgn=$parm{tmgn}= charty=$chartysiz= y=$y= ycnt=$ycnt=\n";
#goto SKIPIT;
while ($y <= ($parm{tmgn} + $chartysiz)+1)
{
$myyval = &commatize($yhead,$parm{commatize}, $yvalprefix, $yvalsuffix);
#$g->line($parm{lmgn}-4,$y,($parm{lmgn}+$chartxsiz),$y,$gridcolr);
if ($parm{ygriddashed})
{
$g->dashedLine($parm{lmgn}-4,$y,($parm{lmgn}+$chartxsiz),$y,$gridcolr);
}
else
{
$g->line($parm{lmgn}-4,$y,($parm{lmgn}+$chartxsiz),$y,$gridcolr);
}
$g->string(gdSmallFont,$parm{lmgn}-((length($myyval)*$sfw)+3),$y-($sfh/2),
$myyval,$headercolr);
$y += $ydelta;
$yhead -= $parm{yInc};
}
if ($parm{yinc} > 1) #DRAW THE HORIZ. TICKMARKS, IF NEEDED.
{
$ydelta = ($parm{barysiz} * $parm{yInc}) / $parm{yinc};
$y = $barylo;
while ($y > $parm{tmgn})
{
$g->line($parm{lmgn}-2,$y,$parm{lmgn},$y,$gridcolr);
$y -= $ydelta;
}
$y = $barylo;
while ($y < ($parm{tmgn} + $chartysiz))
{
$g->line($parm{lmgn}-2,$y,$parm{lmgn},$y,$gridcolr);
$y += $ydelta;
}
}
#SET UP IMAGE MAPPING, IF APPLICABLE.
if (defined($parm{links}) || defined($parm{mouseovers})
|| defined($parm{link}) || defined($parm{mouseover}))
{
$parm{mapname} = "BarChart.$$" unless (defined($parm{mapname}));
$mapstr = '