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Extended Cell functions

Informations

Author: Pivkin Vladimir
License: Freeware

Description

This class provides two extended versions of the Cell method, one which prints horizontal text:

Cell(float w [, float h [, string txt [, mixed border [, int ln [, string align [, int fill [, mixed link]]]]]]])

and one for vertical:

VCell(float w [, float h [, string txt [, mixed border [, int ln [, string align [, int fill]]]]]])

These methods allow multiline text with the delimiter "\n".
If the cell contains a single line and its length exceeds the size of the cell, the text will be compressed to fit.

Changes in parameters:

border: indicates if borders must be drawn around the cell. The value can be either a number:

0: no border
>0: frame of the corresponding width

or a string containing some or all of the following characters (in any order):

L: left
T: top
R: right
B: bottom

or for bold border:

l: left
t: top
r: right
b: bottom

Default value: 0.

For VCell():

align: allows to center or align the text. Possible values are:

U: top
C: center (default value)
D: bottom

Source


<?php
require('fpdf.php');

class CellPDF extends FPDF
{
function VCell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=0)
{
    //Output a cell
    $k=$this->k;
    if($this->y+$h>$this->PageBreakTrigger and !$this->InFooter and $this->AcceptPageBreak())
    {
        $x=$this->x;
        $ws=$this->ws;
        if($ws>0)
        {
            $this->ws=0;
            $this->_out('0 Tw');
        }
        $this->AddPage($this->CurOrientation);
        $this->x=$x;
        if($ws>0)
        {
            $this->ws=$ws;
            $this->_out(sprintf('%.3f Tw', $ws*$k));
        }
    }
    if($w==0)
        $w=$this->w-$this->rMargin-$this->x;
    $s='';
// begin change Cell function 
    if($fill==1 or $border>0)
    {
        if($fill==1)
            $op=($border>0) ? 'B' : 'f';
        else
            $op='S';
        if ($border>1) {
            $s=sprintf(' q %.2f w %.2f %.2f %.2f %.2f re %s Q ', $border, 
                        $this->x*$k, ($this->h-$this->y)*$k, $w*$k, -$h*$k, $op);
        }
        else
            $s=sprintf('%.2f %.2f %.2f %.2f re %s ', $this->x*$k, ($this->h-$this->y)*$k, $w*$k, -$h*$k, $op);
    }
    if(is_string($border))
    {
        $x=$this->x;
        $y=$this->y;
        if(is_int(strpos($border, 'L')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', $x*$k, ($this->h-$y)*$k, $x*$k, ($this->h-($y+$h))*$k);
        else if(is_int(strpos($border, 'l')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', $x*$k, ($this->h-$y)*$k, $x*$k, ($this->h-($y+$h))*$k);
            
        if(is_int(strpos($border, 'T')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', $x*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-$y)*$k);
        else if(is_int(strpos($border, 't')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', $x*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-$y)*$k);
        
        if(is_int(strpos($border, 'R')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', ($x+$w)*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
        else if(is_int(strpos($border, 'r')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', ($x+$w)*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
        
        if(is_int(strpos($border, 'B')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', $x*$k, ($this->h-($y+$h))*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
        else if(is_int(strpos($border, 'b')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', $x*$k, ($this->h-($y+$h))*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
    }
    if(trim($txt)!='')
    {
        $cr=substr_count($txt, "\n");
        if ($cr>0) { // Multi line
            $txts = explode("\n", $txt);
            $lines = count($txts);
            for($l=0;$l<$lines;$l++) {
                $txt=$txts[$l];
                $w_txt=$this->GetStringWidth($txt);
                if ($align=='U')
                    $dy=$this->cMargin+$w_txt;
                elseif($align=='D')
                    $dy=$h-$this->cMargin;
                else
                    $dy=($h+$w_txt)/2;
                $txt=str_replace(')', '\\)', str_replace('(', '\\(', str_replace('\\', '\\\\', $txt)));
                if($this->ColorFlag)
                    $s.='q '.$this->TextColor.' ';
                $s.=sprintf('BT 0 1 -1 0 %.2f %.2f Tm (%s) Tj ET ', 
                    ($this->x+.5*$w+(.7+$l-$lines/2)*$this->FontSize)*$k, 
                    ($this->h-($this->y+$dy))*$k, $txt);
                if($this->ColorFlag)
                    $s.='Q ';
            }
        }
        else { // Single line
            $w_txt=$this->GetStringWidth($txt);
            $Tz=100;
            if ($w_txt>$h-2*$this->cMargin) {
                $Tz=($h-2*$this->cMargin)/$w_txt*100;
                $w_txt=$h-2*$this->cMargin;
            }
            if ($align=='U')
                $dy=$this->cMargin+$w_txt;
            elseif($align=='D')
                $dy=$h-$this->cMargin;
            else
                $dy=($h+$w_txt)/2;
            $txt=str_replace(')', '\\)', str_replace('(', '\\(', str_replace('\\', '\\\\', $txt)));
            if($this->ColorFlag)
                $s.='q '.$this->TextColor.' ';
            $s.=sprintf('q BT 0 1 -1 0 %.2f %.2f Tm %.2f Tz (%s) Tj ET Q ', 
                        ($this->x+.5*$w+.3*$this->FontSize)*$k, 
                        ($this->h-($this->y+$dy))*$k, $Tz, $txt);
            if($this->ColorFlag)
                $s.='Q ';
        }
    }
// end change Cell function 
    if($s)
        $this->_out($s);
    $this->lasth=$h;
    if($ln>0)
    {
        //Go to next line
        $this->y+=$h;
        if($ln==1)
            $this->x=$this->lMargin;
    }
    else
        $this->x+=$w;
}

function Cell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=0, $link='')
{
    //Output a cell
    $k=$this->k;
    if($this->y+$h>$this->PageBreakTrigger and !$this->InFooter and $this->AcceptPageBreak())
    {
        $x=$this->x;
        $ws=$this->ws;
        if($ws>0)
        {
            $this->ws=0;
            $this->_out('0 Tw');
        }
        $this->AddPage($this->CurOrientation);
        $this->x=$x;
        if($ws>0)
        {
            $this->ws=$ws;
            $this->_out(sprintf('%.3f Tw', $ws*$k));
        }
    }
    if($w==0)
        $w=$this->w-$this->rMargin-$this->x;
    $s='';
// begin change Cell function 12.08.2003 
    if($fill==1 or $border>0)
    {
        if($fill==1)
            $op=($border>0) ? 'B' : 'f';
        else
            $op='S';
        if ($border>1) {
            $s=sprintf(' q %.2f w %.2f %.2f %.2f %.2f re %s Q ', $border, 
                $this->x*$k, ($this->h-$this->y)*$k, $w*$k, -$h*$k, $op);
        }
        else
            $s=sprintf('%.2f %.2f %.2f %.2f re %s ', $this->x*$k, ($this->h-$this->y)*$k, $w*$k, -$h*$k, $op);
    }
    if(is_string($border))
    {
        $x=$this->x;
        $y=$this->y;
        if(is_int(strpos($border, 'L')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', $x*$k, ($this->h-$y)*$k, $x*$k, ($this->h-($y+$h))*$k);
        else if(is_int(strpos($border, 'l')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', $x*$k, ($this->h-$y)*$k, $x*$k, ($this->h-($y+$h))*$k);
            
        if(is_int(strpos($border, 'T')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', $x*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-$y)*$k);
        else if(is_int(strpos($border, 't')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', $x*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-$y)*$k);
        
        if(is_int(strpos($border, 'R')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', ($x+$w)*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
        else if(is_int(strpos($border, 'r')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', ($x+$w)*$k, ($this->h-$y)*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
        
        if(is_int(strpos($border, 'B')))
            $s.=sprintf('%.2f %.2f m %.2f %.2f l S ', $x*$k, ($this->h-($y+$h))*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
        else if(is_int(strpos($border, 'b')))
            $s.=sprintf('q 2 w %.2f %.2f m %.2f %.2f l S Q ', $x*$k, ($this->h-($y+$h))*$k, ($x+$w)*$k, ($this->h-($y+$h))*$k);
    }
    if (trim($txt)!='') {
        $cr=substr_count($txt, "\n");
        if ($cr>0) { // Multi line
            $txts = explode("\n", $txt);
            $lines = count($txts);
            //$dy=($h-2*$this->cMargin)/$lines;
            for($l=0;$l<$lines;$l++) {
                $txt=$txts[$l];
                $w_txt=$this->GetStringWidth($txt);
                if($align=='R')
                    $dx=$w-$w_txt-$this->cMargin;
                elseif($align=='C')
                    $dx=($w-$w_txt)/2;
                else
                    $dx=$this->cMargin;

                $txt=str_replace(')', '\\)', str_replace('(', '\\(', str_replace('\\', '\\\\', $txt)));
                if($this->ColorFlag)
                    $s.='q '.$this->TextColor.' ';
                $s.=sprintf('BT %.2f %.2f Td (%s) Tj ET ', 
                    ($this->x+$dx)*$k, 
                    ($this->h-($this->y+.5*$h+(.7+$l-$lines/2)*$this->FontSize))*$k, 
                    $txt);
                if($this->underline)
                    $s.=' '.$this->_dounderline($this->x+$dx, $this->y+.5*$h+.3*$this->FontSize, $txt);
                if($this->ColorFlag)
                    $s.='Q ';
                if($link)
                    $this->Link($this->x+$dx, $this->y+.5*$h-.5*$this->FontSize, $w_txt, $this->FontSize, $link);
            }
        }
        else { // Single line
            $w_txt=$this->GetStringWidth($txt);
            $Tz=100;
            if ($w_txt>$w-2*$this->cMargin) { // Need compression
                $Tz=($w-2*$this->cMargin)/$w_txt*100;
                $w_txt=$w-2*$this->cMargin;
            }
            if($align=='R')
                $dx=$w-$w_txt-$this->cMargin;
            elseif($align=='C')
                $dx=($w-$w_txt)/2;
            else
                $dx=$this->cMargin;
            $txt=str_replace(')', '\\)', str_replace('(', '\\(', str_replace('\\', '\\\\', $txt)));
            if($this->ColorFlag)
                $s.='q '.$this->TextColor.' ';
            $s.=sprintf('q BT %.2f %.2f Td %.2f Tz (%s) Tj ET Q ', 
                        ($this->x+$dx)*$k, 
                        ($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k, 
                        $Tz, $txt);
            if($this->underline)
                $s.=' '.$this->_dounderline($this->x+$dx, $this->y+.5*$h+.3*$this->FontSize, $txt);
            if($this->ColorFlag)
                $s.='Q ';
            if($link)
                $this->Link($this->x+$dx, $this->y+.5*$h-.5*$this->FontSize, $w_txt, $this->FontSize, $link);
        }
    }
// end change Cell function 12.08.2003
    if($s)
        $this->_out($s);
    $this->lasth=$h;
    if($ln>0)
    {
        //Go to next line
        $this->y+=$h;
        if($ln==1)
            $this->x=$this->lMargin;
    }
    else
        $this->x+=$w;
}

}

Example


<?php
define('FPDF_FONTPATH', 'font/');
require('cellpdf.php');

$pdf=new CellPDF();
$pdf->Open();
$pdf->AddPage();
$pdf->SetFont('Arial', '', 12);

$pdf->VCell(15, 50, "Text at\nbottom", 1, 0, 'D');
$pdf->VCell(10, 50, 'Centered text', 2, 0, 'C');
$pdf->VCell(15, 50, "Text\non top", 1, 0, 'U');

$pdf->Cell(50, 50, "Text on\nthe left", 'lbtR', 0, 'L');
$pdf->Cell(50, 50, 'This line is very long and gets compressed', 'LtRb', 0, 'C');
$pdf->Cell(50, 50, "Text on\nthe right", 'Ltrb', 0, 'R');

$pdf->Output();
?>

View the result here.

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