Is there a way to import pdf files which stored in database into mpdf class instance?
As for now i can use import for certain page from file only like shown below.
$mpdf->SetImportUse();
$pagecount = $mpdf->SetSourceFile('testfile.pdf');
$tplId = $mpdf->ImportPage($pagecount, 50, 50, 100, 100);
$mpdf->UseTemplate($tplId, '', '', 100, 100);
$mpdf->Output();
But what if I want to import from pdf which saved in database?
Thanks for helping.
Reading large files from a database is a bad idea, you'll find storing them somewhere on the file-system to be much faster. But, any file stored in the database should be stored in its' original form (possibly base64 encoded). Pretend the value you get from the database is the return from fread() and it should work fine.
Little bit later, but maybe this help somebody else.
With MPDF 8 and later:
Method SetSourceFile accept string (filename) OR StreamReader. The StreamReader can be created from file OR from string.
So your code will looks like:
// $mpdf->SetImportUse(); is not supported in MPDF 8
$data = ''; // your data, NOT base64
$pagecount = $mpdf->SetSourceFile(\setasign\Fpdi\PdfParser\StreamReader::createByString($data));
for ($i=1; $i<=$pagecount; $i++) {
$import_page = $mpdf->ImportPage($i, 50, 50, 100, 100); // OR just: $import_page = $mpdf->ImportPage($i);
$mpdf->UseTemplate($import_page);
if ($i < $pagecount) {
$mpdf->AddPage();
}
}
$mpdf->Output();
Note:
You can always call WriteHTML before or after or inside for cycle.
Related
I'm trying to generate a labels for the members. It comes with two things Address and Name. I'm using mpdf to generate pdf. I don't know why mpdf is not generating pdf for twenty second data on-wards.
So, i tried to check it by replacing same data on 21st data on-wards. and again the result is same. I tried like below to create the problem I'm facing.
change for loop increment number from 21 to 22 and that's all...! Mpdf stops working. why only for 21st data it will generate pdf ? I Don't know.
require_once __DIR__ . '/vendor/autoload.php';
$style= "<style>html,body{height:297mm;width:210mm;padding: 8mm 4mm 8mm 4mm} p{font-size:14px;} div{overflow:hidden;width:65mm;height:38mm; float:left;border:1px solid;margin:0;padding:-2 0 -2 5px;} </style>";
for ($x = 0; $x < 21; $x++) {
$data .= "<div style='page-break-inside:avoid;padding:5px;'><p>ANAND S.N.</p><P> #54, M/S, RAJATHA ENTREPRISE V.T.STREET, SARJAPURA POST
BENGALURU RURAL, ANEKAL, 562125</P></div>";
}
$data_print = $style.'<p>'.$data.'</p>';
echo $data_print;
$mpdf = new mPDF();
// $mpdf = new \Mpdf\Mpdf();
$mpdf->WriteHTML($data_print);
$mpdf->Output('mpdf.pdf','D');
I have more then twenty thousand records list and I need to take print on this format. So, will mpdf work or Do i need to go for any other alternatives.
For others who are getting same problem. once check if you gave
ob_start();
after
include('vendor_pdf/vendor/autoload.php');
followed by your php code
and then
$content = ob_get_clean(); // get content of the buffer and clean the buffer
$mpdf = new \Mpdf\Mpdf();
$mpdf->SetDisplayMode('fullpage');
$mpdf->WriteHTML($content);
$mpdf->Output();
I'm using setasign V1 as our servers are yet to be updated past 5.5.9 and am trying to import the first page from 3 different pdf's to create a new pdf. But if I use any more than one file, I get an error.
I am also running this using the Slim framework and have had to add namespaces to each of the setasign files to get them to read in.
It works perfectly with single files, but not when trying to get a page out of multiple files.
In my below code, the loop goes through each file to get the first page and then add some text. This is a function where I pass in an array of "jobs" and also the $savedFile path to save to.
If I put the line "$pdf->setSourceFile($file)" before the loop and define $file as any of the files in the $inputFiles array, it works fine but obviously has just the first page of the first file on each of the 3 pages created. It also works if I make it bring in just the second file or just the third. But if I put this line inside the loop I get an Empty Response error.
I have also tried to unset the parser at the end of each loop but that didn't make any difference.
At the moment, I can't figure out where it's going wrong as no error details are thrown.
$pdf = new FPDI();
$inputFolder = $_SERVER["DOCUMENT_ROOT"] . '/' . $app->config->get('saveLocations.COC') . '/';
$inputFiles = [];
foreach($jobs as $job){
$coc = $app->coc_approval->getCOC($app, $job);
$cocFile = $coc->file;
array_push($inputFiles, $inputFolder . $cocFile);
}
foreach($inputFiles as $file){
$pdf->setSourceFile($file);
$pdf->AddPage();
$tpl = $pdf->importPage(1);
$pdf->useTemplate($tpl, 0, 0, null, null);
// Set font and color
$pdf->SetFont('Helvetica');
$pdf->SetFontSize('10');
$pdf->SetTextColor(0, 0, 0); // RGB
// Add Customer and PO details
$x = 75.5;
$pdf->SetXY($x,67);
$pdf->Cell(0, 15, $customer);
$pdf->SetXY($x, 73);
$pdf->Cell(0, 15, $PO);
//unset($pdf->parsers[$file]);
}
$pdf->Output($savedFile, 'F');
I am expecting the first page of each file listed in the $inputFiles array to be saved in the final output pdf.
Any advice would be very much appreciated thanks!
I have an image that is sent from an iPad app to an SQL database. I can retrieve this image and display in a web page using the following php:
$img = base64_encode($row['photoData']);
echo "<img src=\"data:image/jpg;charset=utf8;base64, $img\"/>";
This displays fine. What I want to do now is put this image into a PDF document using FPDF however I am struggling to do this.
This:
$img = base64_encode($row['photoData']);
$pdf->Image($img);
give this error:
FPDF error: Image file has no extension and no type was specified:
So I tried this (although I realise I will then have to look at how to get the size of the image sorted):
$pdf->Image($img, 20, 20, 20, 20 'JPG');
which give me:
FPDF error: Missing or incorrect image file:
What is the correct way to do this?
Or would it be easier to temporarily save the image to the server and then place the saved image into the PDFdoc?
As mentioned in the comments above this is possible by using a stream ("data url") to hand over the image data to the fpdf library without writing physical files to disk:
<?php
// load the 'fpdf' extension
require('fpdf.php');
// just for demonstration purpose, the OP gets the content from a database instead
$h_img = fopen('img.jpg', "rb");
$img = fread($h_img, filesize('img.jpg'));
fclose($h_img);
// prepare a base64 encoded "data url"
$pic = 'data://text/plain;base64,' . base64_encode($img);
// extract dimensions from image
$info = getimagesize($pic);
// create a simple pdf document to prove this is very well possible:
$pdf = new FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$pdf->Cell(40,10,'Hello Image!');
$pdf->Image($pic, 10, 30, $info[0], $info[1], 'jpg');
$pdf->Output();
If this is a good advice is another question, this is merely meant to prove that this is possible...
According to the Docs FPDF::Image accepts a filename as the first argument, not a binary blob.
If you want to use FPDF specifically, save the image to a temporary file first, and then pass that to FPDF::Image.
To do that, something like this should work:
$tmpFile = tempnam(sys_get_temp_dir(), 'fpdfimg');
if (file_put_contents($tmpFile, $row['photoData'])) {
$fpdf->Image($tmpFile);
// save/display image
unlink($tmpFile);
}
Alternatively, if you want to just serve the image as a PDF (with no other content) you could use Imagick:
$im = new \Imagick();
$im->readImageBlob($row['photoData']);
$im->setImageFormat('pdf');
header('Content-Type: application/pdf');
echo $im;
Since FPDF cannot use base64 data to produce images on the PDF, I would recommend saving the file to the disk permanently as opposed to writing a temp file for every PDF operation.
This will save you a lot of I/O overhead.
Assuming your table has unique photo_id or photo_name to accompany photoData then you can use something like this to create your images and use them in FPDF.
I will also assume you have a last_update and photo_extension column.
<?php
$path = '/path/to/fpdf/images/';
$filename = $row['photo_id'].'.'.$row['photo_extension'];
$filepath = $path.$filename;
// If a physical file is not available then create it
// If the DB data is fresher than the file then make a new file
if(!is_file($filepath) || strtotime($row['last_update']) > filemtime($filepath))
{
$result = file_put_contents($filepath, $row['photoData']);
if($result === FALSE)
{
die(__FILE__.'<br>Error - Line #'.__LINE__.': Could not create '.$filepath);
}
}
$pdf->Image($filepath);
If you plan on updating the photoData which is stored in your DB then you will have to make sure to also have a timestamp column and compare that timestamp against the filemtime($filepath) of the image on your disk.
Another solution for this ;)
Make a new php by copying and pasting this (piece of fpdf's code edited):
require('fpdf.php');
class DATAIMAGE extends FPDF
{
protected function _parsedata($file)
{
// Extract info from a JPEG file
$a = getimagesizefromstring($file);
if(!$a)
$this->Error('Missing or incorrect image file: '.$file);
if($a[2]!=2)
$this->Error('Not a JPEG file: '.$file);
if(!isset($a['channels']) || $a['channels']==3)
$colspace = 'DeviceRGB';
elseif($a['channels']==4)
$colspace = 'DeviceCMYK';
else
$colspace = 'DeviceGray';
$bpc = isset($a['bits']) ? $a['bits'] : 8;
return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$file);
}
}
Then call this php instead of fpdf.php in your main php.
You'll now be able to display an image simply by adding 'data' to the end of the function:
$pdf->Image($mysqlrow["blob"],0,0,40,0,'data');
The problem is, I need to write data to several copies of the same imported pdf file, and save it as one pdf. I can write data to one page just fine, but when I try to write to more than one, or even continue text (using SetAutoPageBreak()), it simply stops writing once it hits the next page. Although, if I add an arbitrary loop to write more data, the resulting pdf's number of pages is increased to accommodate the added data, but the pages beyond the first are still blank. I have simplified what I'm trying to do into a smaller example to illustrate the issue:
public function actionSample() {
$pdf = new FPDI();
$pdf->AcceptPageBreak();
$pdf->SetAutoPageBreak(true, 30);
$pagecount = $pdf->setSourceFile('images/sample.pdf');
for ($i = 1; $i <= $pagecount; $i++) {
$pdf->AddPage();
$tplidx = $pdf->ImportPage($i);
$pdf->useTemplate($tplidx, 10, 10, 200);
$s = $pdf->getTemplatesize($tplidx);
$pdf->SetTextColor(32,32,32);
$pdf->SetFontSize(10);
$pdf->SetXY($pdf->getX(), $pdf->getY()+10);
$pdf->Write(2, 'This is not!');
}
$pdf->Output('Sample.pdf', 'D');
}
The sample document has 3 blank pages initially. (I did this to make it easier to see what was being written)
$pdf->AddPage();
you have to just put this piece of code inside for loop near closing braces.
All the best..!!
Loads of answers on how to do it for a command line
convert /path/to/file/file.pdf[3] output.jpg
great... but what if I am using in memory processing, I am generating PDF with PDFlib and then output its buffer to a function that I want to generate jpg preview of selected page. How? My code :
[...]
$buf = $pdf->get_buffer();
//$buff is just a PDF stored in a string now.
$im = new Imagick();
$im->readimageblob($buf);
$im->setImageFormat("jpg");
$im->setimagecompressionquality(60);
$len = strlen($im);
header("Content-type: image/jpeg");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=test.jpg");
echo $im;
This creates a jpeg but always returns last page of the PDF. I want to be able to choose which one will be converted. Is it doable without saving temporary files and using command line (exec('convert /path/to/file/file.pdf[3] output.jpg')) syntax?
Let me add that I tried
$im->readimageblob($buf[2]);
and it did not work :)
For the ones who is still searching for solution of reading specific page number from blob, please check this question Creating array populated by images from a PDF using PHP and ImageMagick
$img_array = array();
$im = new imagick();
$im->setResolution(150,150);
$im->readImageBlob($pdf_in);
$num_pages = $im->getNumberImages();
for($i = 0;$i < $num_pages; $i++)
{
$im->setIteratorIndex($i);
$im->setImageFormat('jpeg');
$img_array[$i] = $im->getImageBlob();
}
$im->destroy();
I'm loading the PDF binary into memory from Amazon S3 and then selecting the specific page I want using setIteratorIndex() followed by getImage()
function get_image_from_pdf($pdf_bytes, $page_num){
$im = new \Imagick();
$im->setResolution(150, 150);
$im->readImageBlob($pdf_bytes);
$im->setIteratorIndex($page_num);
$im = $im->getImage();
$im->setImageFormat('png');
return $im->getImageBlob();
}
version 3.0.1
being on the last image or first image in imagic object
$image_obj = new Imagick("test.pdf"); then you on last image in $image_obj
if you use
fp_pdf = fopen("test.pdf", 'rb');
$image_obj = new Imagick();
$image_obj -> readImageFile($fp_pdf);
then you on the first image in $image_obj
In second case to switch to last image you can do
fp_pdf = fopen("test.pdf", 'rb');
$image_obj = new Imagick();
$image_obj -> readImageFile($fp_pdf,2); // 2 can be any positive number?
then you on the last image in $image_obj
echo $image_obj->getNumberImages() // Returns the number of images in the object
then
if ($image_obj->hadPreviousImage)
$image_obj->previousImage() //Switch to the previous image in the object
}
or
if ($image_obj->hasNextImage()) {
$image_obj->nextImage()) //Switch to the next image in the object
}
e.g. if you have 6 images total and you need 4th then do from the end
$image_obj->previousImage()
$image_obj->previousImage()
$image_obj->setImageFormat("png");
header("Content-Type: image/png");
echo $image_obj;
EDIT: Another find is that you can
foreach($image_obj as $slides) {
echo "<br>".$Obj_img->getImageWidth();
//or wehatever you need to do.
}
EDIT 2: Very simple solution would be to use this function $image_obj->setIteratorIndex(4) count starts with zero.
It's not good news unfortunately, but I can definitively say that, as of time of writing, the ImageMagick (and PHP libraries) don't support the page notation that you're trying to use. (For people from the future finding this: I'm checking php-imagick-3.0.1 and imagemagick-6.6.0.4).
I'm trying to do the exact same thing as you, and I've just spent the last few hours trawling through the source, trying to figure out what it does and how it gets the pages, and it looks like it simply won't use it when reading from a stream (ie. the readBlob() call).
As such, I'm just going to be putting it in a temporary file and reading it from there instead. Not as elegant, but it'll work.