Skip to content

Instantly share code, notes, and snippets.

Show Gist options
  • Save rifkiferdian/1fe3ae9adf33f062d83f99b27f575205 to your computer and use it in GitHub Desktop.
Save rifkiferdian/1fe3ae9adf33f062d83f99b27f575205 to your computer and use it in GitHub Desktop.
GetMultiCellHeight() script for FPDF
function GetMultiCellHeight($w, $h, $txt, $border=null, $align='J') {
// Calculate MultiCell with automatic or explicit line breaks height
// $border is un-used, but I kept it in the parameters to keep the call
// to this function consistent with MultiCell()
$cw = &$this->CurrentFont['cw'];
if($w==0)
$w = $this->w-$this->rMargin-$this->x;
$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
$s = str_replace("\r",'',$txt);
$nb = strlen($s);
if($nb>0 && $s[$nb-1]=="\n")
$nb--;
$sep = -1;
$i = 0;
$j = 0;
$l = 0;
$ns = 0;
$height = 0;
while($i<$nb)
{
// Get next character
$c = $s[$i];
if($c=="\n")
{
// Explicit line break
if($this->ws>0)
{
$this->ws = 0;
$this->_out('0 Tw');
}
//Increase Height
$height += $h;
$i++;
$sep = -1;
$j = $i;
$l = 0;
$ns = 0;
continue;
}
if($c==' ')
{
$sep = $i;
$ls = $l;
$ns++;
}
$l += $cw[$c];
if($l>$wmax)
{
// Automatic line break
if($sep==-1)
{
if($i==$j)
$i++;
if($this->ws>0)
{
$this->ws = 0;
$this->_out('0 Tw');
}
//Increase Height
$height += $h;
}
else
{
if($align=='J')
{
$this->ws = ($ns>1) ? ($wmax-$ls)/1000*$this->FontSize/($ns-1) : 0;
$this->_out(sprintf('%.3F Tw',$this->ws*$this->k));
}
//Increase Height
$height += $h;
$i = $sep+1;
}
$sep = -1;
$j = $i;
$l = 0;
$ns = 0;
}
else
$i++;
}
// Last chunk
if($this->ws>0)
{
$this->ws = 0;
$this->_out('0 Tw');
}
//Increase Height
$height += $h;
return $height;
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment