public function render($ge)
{
// BpRectangle::render($ge);
$sx = $ge->tx($this->sx());
$sy = $ge->ty($this->sy());
$ex = $ge->tx($this->ex());
$ey = $ge->ty($this->ey());
$width = $ex - $sx - $this->margin() * 2;
$height = $ey - $sy - $this->margin() * 2;
$lines = array();
$cur_words = array();
$cur_width = 0;
$cur_line = '';
if ($this->fontSize() !== '') {
$font_size = $this->fontSize();
$line_height = BpFontMetrics::getLineHeightFromFontSize($this->font(), $this->string(), $this->fontSize());
} else {
$font_size = BpFontMetrics::getFontSizeFromLineHeight($this->font(), $this->string(), $this->lineHeight());
$line_height = $this->lineHeight();
}
$words = explode(' ', $this->string());
foreach ($words as $word) {
$my_words = $cur_words;
$my_words[] = $word;
$cur_width = BpFontMetrics::getWidth($this->font(), implode(' ', $my_words), $font_size);
if ($cur_width <= $height) {
$cur_words[] = $word;
} else {
$lines[] = implode(' ', $cur_words);
$cur_words = array($word);
}
}
$lines[] = implode(' ', $cur_words);
$cur_pos = $sx + $this->margin();
$centre = $sy + ($ey - $sy) / 2;
$rounded = ceil($line_height);
$texts = array();
foreach ($lines as $line) {
$metrics = new BpFontMetrics($this->font(), $line, 90);
$metrics->constrainYCentre($centre);
$metrics->constrainLeft($cur_pos);
$metrics->constrainRight($cur_pos + $line_height);
$metrics->maxFontSize($font_size);
$cur_text = new BpText($this->z, $this->textColour(), $metrics);
$texts[] = $cur_text;
$cur_pos += $rounded;
}
if ($cur_pos > $this->ex) {
$this->ex = $cur_pos + $this->margin();
}
BpRectangle::render($ge);
foreach ($texts as $cur_text) {
$cur_text->render($ge);
}
}
protected function yLabel()
{
$ret = '';
if ($this->y_label !== '') {
$metrics = new BpFontMetrics('Activa', $this->y_label, 90);
$metrics->constrainLeft($this->vertMargin() / 3);
$metrics->constrainRight(2 / 3 * $this->vertMargin());
$metrics->constrainYCentre($this->height() / 2);
$ret = new BpText(0, 'black', $metrics);
}
return $ret;
}