hello all !!!
english is not my native language…if anything wrong then excuse in advance
i am working on a client project in which i am currently facing a issue the description is bellow…
" i have uploaded a file on server i want when a user from my website download this file should be a watermarked file (watermark text will be ‘his email id’ in pdf file) "
thanks in advance…
in my contoller
public function actionDownloadFiles()
{
ignore_user_abort(true);
$path = ( Yii::app()->basePath.'/../images/prequlification_form/'.$_GET['path'] );
$fullPath = $path ;
if ($fd = fopen ($fullPath, "r")) {
$fsize = filesize($fullPath);
$path_parts = pathinfo($fullPath);
header("Content-type: application/octet-stream");
header("Content-Disposition: filename=\"".$path_parts["basename"]."\"");
header("Content-length: $fsize");
header("Cache-control: private");
while(!feof($fd)) {
$buffer = fread($fd, 2048);
echo $buffer;
}
}
fclose ($fd);
exit;
}
in view
<div class="file-dwnload">
<?php
$data=prequalificationForm::model()->findByPk(1);
//echo Yii::app()->createAbsoluteUrl('images/prequlification_form');exit;
if(!empty($data)) {
//echo ('/images/prequlification_form/'.$data->file_path);exit;
//path C:/wamp/www/pre_ipo_system/images/prequlification_form/;
echo '<div class="dwnload-file"><li>'.
CHtml::link( $data->file_path,array("prequalificationForm/downloadFiles","path"=>($data->file_path))).
'</li></div> <div class="dwnload-butn"><li>'.
CHtml::link('Download File',array("prequalificationForm/downloadFiles","path"=>($data->file_path)))
."</li></div> " ;
}?></div>
/* index.php */
require('rotation.php');
class PDF extends PDF_Rotate{
protected $_outerText1;// dynamic text
protected $_outerText2;
function setWaterText($txt1="", $txt2=""){
$this->_outerText1 = $txt1;
$this->_outerText2 = $txt2;
}
function Header(){
//Put the watermark
$this->SetFont('Arial','B',40);
$this->SetTextColor(255,192,203);
$this->SetAlpha(0.5);
$this->RotatedText(35,190, $this->_outerText1, 45);
$this->RotatedText(75,190, $this->_outerText2, 45);
}
function RotatedText($x, $y, $txt, $angle){
//Text rotated around its origin
$this->Rotate($angle,$x,$y);
$this->Text($x,$y,$txt);
$this->Rotate(0);
}
}
$file = "path/filename.pdf";// path: file name
$pdf = new PDF();
if (file_exists($file)){
$pagecount = $pdf->setSourceFile($file);
} else {
return FALSE;
}
$pdf->setWaterText("w a t e r M a r k d e m o ", "s e c o n d L i n e o f t e x t");
/* loop for multipage pdf */
for($i=1; $i <= $pagecount; $i++) {
$tpl = $pdf->importPage($i);
$pdf->addPage();
$pdf->useTemplate($tpl, 1, 1, 0, 0, TRUE);
}
$pdf->Output(); //specify path filename to save or keep as it is to view in browser
/* rotation.php */
require('fpdf.php');
require('fpdi.php');
class PDF_Rotate extends FPDI
{
var $angle=0;
var $extgstates = array();
function Rotate($angle,$x=-1,$y=-1)
{
if($x==-1)
$x=$this->x;
if($y==-1)
$y=$this->y;
if($this->angle!=0)
$this->_out('Q');
$this->angle=$angle;
if($angle!=0)
{
$angle*=M_PI/180;
$c=cos($angle);
$s=sin($angle);
$cx=$x*$this->k;
$cy=($this->h-$y)*$this->k;
$this->_out(sprintf('q %.5F %.5F %.5F %.5F %.2F %.2F cm 1 0 0 1 %.2F %.2F cm',$c,$s,-$s,$c,$cx,$cy,-$cx,-$cy));
}
}
function _endpage()
{
if($this->angle!=0)
{
$this->angle=0;
$this->_out('Q');
}
parent::_endpage();
}
function SetAlpha($alpha, $bm='Normal')
{
// set alpha for stroking (CA) and non-stroking (ca) operations
$gs = $this->AddExtGState(array('ca'=>$alpha, 'CA'=>$alpha, 'BM'=>'/'.$bm));
$this->SetExtGState($gs);
}
function AddExtGState($parms)
{
$n = count($this->extgstates)+1;
$this->extgstates[$n]['parms'] = $parms;
return $n;
}
function SetExtGState($gs)
{
$this->_out(sprintf('/GS%d gs', $gs));
}
function _enddoc()
{
if(!empty($this->extgstates) && $this->PDFVersion<'1.4')
$this->PDFVersion='1.4';
parent::_enddoc();
}
function _putextgstates()
{
for ($i = 1; $i <= count($this->extgstates); $i++)
{
$this->_newobj();
$this->extgstates[$i]['n'] = $this->n;
$this->_out('<</Type /ExtGState');
foreach ($this->extgstates[$i]['parms'] as $k=>$v)
$this->_out('/'.$k.' '.$v);
$this->_out('>>');
$this->_out('endobj');
}
}
function _putresourcedict()
{
parent::_putresourcedict();
$this->_out('/ExtGState <<');
foreach($this->extgstates as $k=>$extgstate)
$this->_out('/GS'.$k.' '.$extgstate['n'].' 0 R');
$this->_out('>>');
}
function _putresources()
{
$this->_putextgstates();
parent::_putresources();
}
}
the perfect thing which i was looking for
