function setLegend($legend, $align = NULL)
{
if (!isset($this->legend)) {
$this->legend = array();
}
$this->legend = array_merge($this->legend, $legend);
$spch = $this->font_legend * 4;
#spazio per i caratteri della legenda
for ($i = 0; $i < count($this->legend); $i++) {
if (strlen($this->legend[$i]) > $this->LegStrLen) {
$this->legend[$i] = substr($this->legend[$i], 0, $this->LegStrLen) . "...";
}
$tmpsp = graidle::stringlen($this->legend[$i]) * $this->font_legend;
if ($spch < $tmpsp) {
$spch = $tmpsp;
}
}
if (isset($this->w)) {
$this->nrow = ceil(($spch + $this->dim_quad + $this->spacing) * count($this->legend) / ($this->w - $this->s - $this->d));
} else {
$this->nrow = count($this->legend);
}
$this->spacerow = ceil($this->nrow * ($this->dim_quad + $this->spacing));
$this->spch = $spch;
$this->LegendAlign = strtolower($align);
switch ($this->LegendAlign) {
case "left":
$this->s += $this->spacing + $this->dim_quad + $this->spch;
break;
case "top":
$this->a += $this->spacerow;
break;
case "bottom":
$this->b += $this->nrow * ($this->dim_quad + $this->spacing);
break;
break;
default:
$this->LegendAlign = "right";
$this->d += $this->spacing + $this->dim_quad + $this->spch;
break;
}
}
function drawHorizHisto()
{
for ($m = $t = 0; $t < count($this->value); $t++) {
if ($this->type[$t] == 'hb') {
if (isset($this->ExtLeg) && ($this->ExtLeg == 2 || $this->ExtLeg == 1)) {
for ($sum = $s = 0; $s < count($this->value[$t]); $s++) {
$sum += abs($this->value[$t][$s]);
}
}
$cc = $this->color[$t];
list($name, $red, $green, $blue) = explode(',', $cc);
$cc = imagecolorallocatealpha($this->im, $red, $green, $blue, 25);
$cb = imagecolorallocatealpha($this->im, round($red / 2), round($green / 2), round($blue / 2), 50);
$strExtVal = NULL;
for ($y = $this->a + $this->larg / 2, $valuelen = 2, $i = 0; $i < count($this->value[$t]); $i++, $y += $this->ld, $valuelen = 2) {
$y2 = $y + $this->larg * $m;
$y1 = $y2 + $this->larg;
$x2 = $this->s + abs($this->mnvs * $this->mul);
$x1 = $x2 + $this->value[$t][$i] * $this->mul;
if (isset($this->ExtLeg)) {
switch ($this->ExtLeg) {
case 0:
$strExtVal = $this->value[$t][$i];
break;
case 1:
$strExtVal = round($this->value[$t][$i] / $sum * 100, 1) . "% ";
break;
case 2:
$strExtVal = $this->value[$t][$i] . " (" . round($this->value[$t][$i] / $sum * 100, 1) . "%)";
break;
}
}
if ($this->mnvs <= 0) {
if ($this->value[$t][$i] > 0) {
imagefilledrectangle($this->im, $x1, $y1, $x2, $y2, $cc);
$valuelen = -(graidle::stringlen($strExtVal) * $this->font_small);
} else {
imagefilledrectangle($this->im, $x1, $y2, $x2, $y1, $cc);
}
imagerectangle($this->im, $x1, $y1, $x2, $y2, $cb);
if (isset($this->ExtLeg)) {
if (abs($valuelen) < $x1 - $x2) {
imagettftext($this->im, $this->font_small, 0, $x1 + $valuelen, $y2 + $this->larg / 2 + $this->font_small / 2, $cb, $this->font, $strExtVal);
} else {
imagettftext($this->im, $this->font_small, 0, $x1 + $this->font_small / 2, $y2 + $this->larg / 2 + $this->font_small / 2, $cb, $this->font, $strExtVal);
}
}
} else {
if ($this->value[$t][$i] > $this->mnvs) {
$x1 = $this->s;
$x2 = $this->value[$t][$i] * $this->mul;
$valuelen = -(graidle::stringlen($strExtVal) * $this->font_small);
imagefilledrectangle($this->im, $x1, $y2, $x2, $y1, $cc);
imagerectangle($this->im, $x1, $y2, $x2, $y1, $cb);
if (isset($this->ExtLeg)) {
imagettftext($this->im, $this->font_small, 0, $x2 + $valuelen, $y2 + $this->larg / 2 + $this->font_small / 2, $cb, $this->font, $strExtVal);
}
}
}
if (isset($this->multicolor) && $this->multicolor == 1) {
$cc = next($this->color);
list($name, $red, $green, $blue) = explode(',', $cc);
$cc = imagecolorallocatealpha($this->im, $red, $green, $blue, 25);
$cb = imagecolorallocatealpha($this->im, round($red / 2), round($green / 2), round($blue / 2), 50);
}
}
}
$m++;
}
}
