I am trying to create a graph in codeigniter and convert it to pdf. For pdf conversion I am using mpdf.
For graph generate I tried several method . including - phpgraphlib,phpmygraph5.0 and also gcharts..
gchart is generating the graph in javascript I guess..
So I tried with phpgraphlib and phpmygraph5 . But the problem I am facing now the graph is generating in the browser. Stuck how to convert it to image and send as data array to my pdf view..
Here is my pdf generation code:
$this->CI->load->library('pdf');
$pdf = $this->CI->pdf->load();
$style = 'assets/pdf/pdf.css';
$stylesheet = file_get_contents( $style);
//$pdf-> $img = file_get_contents($this->graph());
$graph_result['points'] = $points;
$graph_result['profile'] = $profile;
$graph_result['image'] = file_get_contents($this->mygraph());
$content = $this->CI->load->view('pdf/graph_pdf_view', $graph_result, TRUE);
$pdf->WriteHTML($stylesheet,1);
$pdf->WriteHTML($content,2);
$pdf->Output('Graph.pdf', 'I');
Here is generating graph function:
public function graph()
{
//graph library loads.......
include (APPPATH.'libraries/phpgraphlib/phpgraphlib.php');
$graph = new PHPGraphLib(650,200);
$data = array("1" => .0032, "2" => .0028, "3" => .0021, "4" => .0033,
"5" => .0034, "6" => .0031, "7" => .0036, "8" => .0027, "9" => .0024,
"10" => .0021, "11" => .0026, "12" => .0024, "13" => .0036,
"14" => .0028, "15" => .0025);
//print_r($data);
$graph->addData($data);
$graph->setTitle('PPM Per Container');
$graph->setBars(false);
$graph->setLine(true);
$graph->setDataPoints(true);
$graph->setDataPointColor('maroon');
$graph->setDataValues(true);
$graph->setDataValueColor('green');
$graph->setGoalLine(.0025);
$graph->setGoalLineColor('yellow');
$graph->createGraph();
return $graph;
}
When I call graph function from pdf generation function it directy generate graph on the browser.. not goint to the next piece of code in where I load view for pdf.. How can I save this generated graph as an image and only pass that image to pdf view??
It is easy to save the resulting graph as an .png image file, you must see this:
Save phpgraphlib graph as image
According to the documentation, the command is like this:
$graph = new PHPGraphLib(650,200, "image.png")
Related
Laravel Package:
"setasign/fpdi": "^2.3",
"setasign/fpdf": "^1.8"
$pdf = new \setasign\Fpdi\Fpdi('L','mm','A4');
$pageCount = $pdf->setSourceFile(public_path().'/'.$url);
$pdf->setFont('Arial', 'B', 10);
for($i = 1; $i <= $pageCount; $i++){
$tplIdx = $pdf->importPage($i);
$pageDimensions = $pdf->getImportedPageSize($tplIdx);
$pdf->addPage($pageDimensions['orientation'], $pageDimensions);
$pdf->useTemplate($tplIdx);
}
If It Possible read the content of the last page and get after page content ordinate of the current position. then Write new content without add new page or whitespaces
If Pdf Generate using DomPdf so you can generate HTML file using
$pdf->getDomPDF()->outputHtml()
Generated html file using DomPDF add some element like this:
<div id="divId"></div>
Then whenever you need to edit this document, you need to read the HTML file line by line and
Edit document:
$url=public_path() .'/test.html';
$htmlFile='';
foreach(file($url) as $key => $line){
if(strpos($line, 'id="divId"') !== false){
$line='<div>Hello world</div>';
}
$htmlFile.=$line;
}
$pdf = PDF::loadHTML($htmlFile)->setPaper('a4', 'landscape');
$pdf->output();
This is how I'm storing the image in the database:
$qr = NULL;
if ($file = file_save_upload('qr', $validators, FALSE, 0)) {
$type = pathinfo($file->getFileUri(), PATHINFO_EXTENSION);
$qr = file_get_contents($file->getFileUri());
$base64 = 'data:image/'.$type.';base64,'.base64_encode($qr);
}
Note that the data at the beginning of the base64 is there. Then I retrieve the data from the database, and place in inside of an image tag, like so:
$form['qr'] = [
'#prefix' => '<img width="100" height="100" src="'.$document[0]['QR_Image'].'"></img>',
];
However, when I go to inspect the element, I get a broken image symbol, and the source reads image/png;base64,..., without the data part. When I type in data at the beginning of the source attribute, the image shows up.
Any idea why Drupal cuts off the data part of my data block?
It's kinda basic, but this works:
$form['qr'] = [
'#markup' => new FormattableMarkup('<img width="100" height="100" src="data::src"></img>', [':src' => $document[0]['QR_Image']])
];
I'd rather it didn't chop off the first data though.
I have created a resume builder application.User enters all required details and i am storing all details in database. Then i am fetching those records and displaying it in different templates. I have created 3 templates. Now I want to give download as pdf and download as docx two download buttons. Once user clicks on any of buttons file will be downloaded in their chosen format. Either pdf or docx.
Is it possible to achieve in codeigniter?
i used Tcpdf
Controller Code is
the code written in controller download $this - > load - > library("Pdf");
// create new PDF document
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
// set auto page breaks
$pdf - > SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
// set image scale factor
$pdf - > setImageScale(PDF_IMAGE_SCALE_RATIO);
// Add a page
// This method has several options, check the source code documentation for more information.
$pdf - > AddPage();
// Set some content to print
$html = $this - > load - > view('resume/res_template1_view', array('left_sidebar' => 'sidebar/left_sidebar', ' right_sidebar' => 'sidebar/right_sidebar'), $data, TRUE);
// Print text using writeHTMLCell()
$pdf - > writeHTML($html, 0, 0, '', '', 0, 1, 0, true, '', true);
//$pdf->writeHTML($html, true, false, true, false, '');
// Close and output PDF document
// This method has several options, check the source code documentation for more information.
$pdf - > Output('resume.pdf', 'D');
Probably you need to use some library in CI to achieve this. Please check below.
you can use Html2Pdf for CI3 library. https://github.com/shyamshingadiya/HTML2PDF-CI3
How to Use
There are 4 options you a required to set in order to create a PDF; folder, filename, paper and HTML
//Load the library
$this->load->library('html2pdf');
//Set folder to save PDF to
$this->html2pdf->folder('./assets/pdfs/');
//Set the filename to save/download as
$this->html2pdf->filename('test.pdf');
//Set the paper defaults
$this->html2pdf->paper('a4', 'portrait');
//Load html view
$this->html2pdf->html(<h1>Some Title</h1><p>Some content in here</p>);
The create function has two options 'save' and 'download'. Save will just write the PDF to the folder you choose in the settings. Download will force the PDF to download in the clients browser.
//Create the PDF
$this->html2pdf->create('save');
Advanced usage
Theres no reason why you can't build and pass a view to the html() function. Also note the create() function will return the saved path if you choose the 'save' option.
$data = array(
'title' => 'PDF Created',
'message' => 'Hello World!'
);
//Load html view
$this->html2pdf->html($this->load->view('pdf', $data, true));
if($path = $this->html2pdf->create('save')) {
//PDF was successfully saved or downloaded
echo 'PDF saved to: ' . $path;
}
Please check above mentioned solution. Let me know if it not works.
I'm using PHPExcel with codeigniter to generate .xlx, .xlxs file, Every thing is working perfect except text formatting. Here is the screenshot of html view that I'm passing to PHPExcel library to generate .xlx file.
And Here is the output.
As you can see that text indentation and styles are removed. Here is my code used to generate output.
public function html_to_excel_download($filename, $data=null){
if ($data != null) {
// proper encoding of data UTF-8 for unicode characters
$data = chr(255).chr(254).iconv("UTF-8", "UTF-16LE//IGNORE", $data);
// Put the data into a temporary file
$tmpfile = time().'.html';
file_put_contents($tmpfile, $data);
// Read the contents of the file into PHPExcel Reader class
$reader = new PHPExcel_Reader_HTML;
$content = $reader->load($tmpfile);
// Excel Writer
$objWriter = PHPExcel_IOFactory::createWriter($content, 'Excel2007');
// Download File
header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="'.$filename.'"');
header('Cache-Control: max-age=0');
$objWriter->save('php://output');
unlink($tmpfile);
exit();
}
}
How can I indent title text to center?
you may try another way to do that...
Step 1) Define "$this->excel->setActiveSheetIndex(0);" at the top of function
step 2) Define style array and add it as a variable with excel object like,
$styleArray = array(
'font' => array(
'bold' => true,
'color' => array('rgb' => '2F4F4F')
),
'alignment' => array(
'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
)
);
Step 3) $this->excel->getActiveSheet()->getStyle('A3:Z3')->applyFromArray($styleArray);
Note: You have to use getStyle() in your code to apply specific styles on column/row
// single column A, setting e.g. horizontal alignment
$objWorksheet->getStyle('A')->getAlignment()->setHorizontal(...);
// range of columns A to K
$objWorksheet->getStyle('A:K')->getAlignment()->setHorizontal(...);
AND you can see full documentation on this site for formatting SHEET
HERE
There are two ways you can get rid of this issue, one is without json array:
$doc->getActiveSheet()->getStyle('A1:H1')->getAlignment()
->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
where $doc = new PHPExcel(); or a PHPExcel object
The second is using the json array as described here
I'm pretty confident that you'll find all instructions about this library in the official documentation
In drupal 7, i use function image_style_url('style', uri) to generate new image with style and return image's path. so what will be instead of it in drupal 8? thanks
Per the change records:
use Drupal\image\Entity\ImageStyle;
$path = 'public://images/image.jpg';
$url = ImageStyle::load('style_name')->buildUrl($path);
You should try to use the new Drupal functions wherever possible.
Instead, use:
use Drupal\file\Entity\File;
use Drupal\image\Entity\ImageStyle;
$fid = 123;
$file = File::load($fid);
$image_uri = ImageStyle::load('your_style-name')->buildUrl($file->getFileUri());
Edited as per https://www.drupal.org/node/2050669:
$original_image = 'public://images/image.jpg';
// Load the image style configuration entity
use Drupal\image\Entity\ImageStyle;
$style = ImageStyle::load('thumbnail');
$uri = $style->buildUri($original_image);
$url = $style->buildUrl($original_image);
In your Controllers and other OOP part of Drupal you can use :
use Drupal\image\Entity\ImageStyle;
$path = 'public://images/image.jpg';
$url = ImageStyle::load('style_name')->buildUrl($path);
And in YOUR_THEME.theme file while Error: Class 'ImageStyle' not found in YOURTHEMENAME_preprocess_node you can do it with the follwing
$path = 'public://images/image.jpg';
$style = \Drupal::entityTypeManager()->getStorage('image_style')->load('thumbnail');
$url = $style->buildUrl($path);
Another method is provide a renderable array and let the drupal Render engine render it.
$render = [
'#theme' => 'image_style',
'#style_name' => 'thumbnail',
'#uri' => $path,
// optional parameters
];
I have found that I often want to preprocess the image to apply an image style to an image on a node or a paragraph type. In many cases I have created a paragraph that allows the user to choose the width of the image as a percentage. In the preprocess I would check the value of the width and apply the correct image style.
use Drupal\image\Entity\ImageStyle;
function THEME_preprocess_paragraph__basic_content(&$vars) {
//get the paragraph
$paragraph = $vars['paragraph'];
//get the image
$images = $paragraph->get('field_para_image');
//get the images value, in my case I only have one required image, but if you have unlimited image, you could loop thru $images
$uri = $images[0]->entity->uri->value;
//This is my field that determines the width the user wants for the image and is used to determine the image style
$preset = $paragraph->get('field_column_width')->value;
$properties = array();
$properties['title'] = $images[0]->getValue()['title'];
$properties['alt'] = $images[0]->getValue()['alt'];
//this is where the Image style is applied
switch($preset) {
case 'image-20':
$properties['uri'] = ImageStyle::load('width_20_percent')->buildUrl($uri);
break;
case 'image-45':
$properties['uri'] = ImageStyle::load('width_45_percent')->buildUrl($uri);
break;
case 'image-55':
$properties['uri'] = ImageStyle::load('width_55_percent')->buildUrl($uri);
break;
case 'image-100':
$properties['uri'] = ImageStyle::load('width_100_percent')->buildUrl($uri);
break;
}
//assign to a variable that the twig template can use
$vars['basic_image_display'] = $properties;
}
In this example, I am preprocessing a specific paragraph type named "basic_content" but you can do the same thing with a node preprocess. Continuing my example, I would have a twig template named paragraph--basic_content.html.twig to handle the display of that paragraph type.
Displaying the image would be something like this in the twig file.
<img class="img-responsive" src="{{basic_image_display['uri']}}" alt="{{ basic_image_display['alt'] }}" title="{{ basic_image_display['title'] }}"/>
$view_mode = $variables['content']['field_media_image']['0']['#view_mode'];
$display_content = \Drupal::service('entity_display.repository')
->getViewDisplay('media', 'image', $view_mode)->build($media_entity);
$style = ImageStyle::load($display_content['image'][0]['#image_style']); $original_image = $media_entity->get('image')->entity->getFileUri();
$destination = $style->buildUri($original_image);
This is how you get image style from a media image entity.
Works for me from a classic Drupal database Query in .module file :
$query = \Drupal::database()->select('file_managed', 'f' );
$query->addField('f', 'uri');
$pictures = $query->execute()->fetchAll();
foreach ($pictures as $key => $picture) {
$largePictureUri = entity_load('image_style', 'large')->buildUrl($picture->uri);
}
I used in Drupal 8 this code. It's working fine.
$fid = 374; //get your file id, this value just for example
$fname = db_select('file_managed', 'f')->fields('f', array('filename'))->condition('f.fid', $fid)->execute()->fetchField();
$url = entity_load('image_style', 'YOUR_STYLE_NAME')->buildUrl($fname);