/**
* calculate the start position of the next line, depending on the text-align
*
* @access protected
* @param integer $curr real current position in the text, if new line in the write of a text
*/
protected function _setNewPositionForNewLine($curr = null)
{
// get the margins for the current line
list($lx, $rx) = $this->_getMargins($this->pdf->getY());
$this->pdf->setX($lx);
$wMax = $rx - $lx;
$this->_currentH = 0;
// if subPart => return because align left
if ($this->_subPart || $this->_isSubPart || $this->_isForOneLine) {
$this->pdf->setWordSpacing(0);
return null;
}
// create the sub object
$sub = $this->createSubHTML();
$sub->_saveMargin(0, 0, $sub->pdf->getW() - $wMax);
$sub->_isForOneLine = true;
$sub->_parsePos = $this->_parsePos;
$sub->parsingHtml->code = $this->parsingHtml->code;
// if $curr => adapt the current position of the parsing
if ($curr !== null && $sub->parsingHtml->code[$this->_parsePos]->getName() == 'write') {
$txt = $sub->parsingHtml->code[$this->_parsePos]->getParam('txt');
$txt = str_replace('[[page_cu]]', $sub->pdf->getMyNumPage($this->_page), $txt);
$sub->parsingHtml->code[$this->_parsePos]->setParam('txt', substr($txt, $curr + 1));
} else {
$sub->_parsePos++;
}
// for each element of the parsing => load the action
$res = null;
for ($sub->_parsePos; $sub->_parsePos < count($sub->parsingHtml->code); $sub->_parsePos++) {
$action = $sub->parsingHtml->code[$sub->_parsePos];
$res = $sub->_executeAction($action);
if (!$res) {
break;
}
}
$w = $sub->_maxX;
// max width
$h = $sub->_maxH;
// max height
$e = $res === null ? $sub->_maxE : 0;
// maxnumber of elemets on the line
// destroy the sub HTML
$this->_destroySubHTML($sub);
// adapt the start of the line, depending on the text-align
if ($this->parsingCss->value['text-align'] == 'center') {
$this->pdf->setX(($rx + $this->pdf->getX() - $w) * 0.5 - 0.01);
} elseif ($this->parsingCss->value['text-align'] == 'right') {
$this->pdf->setX($rx - $w - 0.01);
} else {
$this->pdf->setX($lx);
}
// set the height of the line
$this->_currentH = $h;
// if justify => set the word spacing
if ($this->parsingCss->value['text-align'] == 'justify' && $e > 1) {
$this->pdf->setWordSpacing(($wMax - $w) / ($e - 1));
} else {
$this->pdf->setWordSpacing(0);
}
}