PDF Flyer generator
How do I make an pdf flyer generator?
A simple tool to generate a pdf flyer using JSpdf. What is a pdf flyer generator? How do you make a pdf flyer generator? This script and codes were developed by Massimo Cassandro on 09 November 2022, Wednesday.
PDF Flyer generator - Script Codes HTML Codes
<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>PDF Flyer generator</title> <link rel='stylesheet prefetch' href='http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css'> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div class="container-fluid flyer-builder"> <h1>Flyer Builder</h1> <p><em>The preview doesn't work with Chrome or Safari in this demo since it has been loaded in a iframe. Use Firefox or try at <a href="http://www.primominuto.net/articoli/pdf_flyer/flyer.html">www.primominuto.net/articoli/pdf_flyer/flyer.html</a></em></p> <div class="row"> <div class="col-sm-6 loc_form"> <div class="form-group"> <label for="flyer-image" class="control-label">Image</label> <input id="flyer-image" type="file" tabindex="1"> </div> <div class="row"> <div class="col-sm-7"> <div class="form-group"> <label for="flyer-title" class="control-label">Title</label> <input required class="form-control" id="flyer-title" placeholder="Main title" value="Really incredible!!" maxlength="255" type="text" tabindex="2"> </div> </div> <div class="col-sm-3"> <div class="form-group"> <label for="flyer-title-size" class="control-label">Size (pt)</label> <input required class="form-control" id="flyer-title-size" value="60" min="1" step="1" type="number" tabindex="3" title="Title size: tune it to fit the available space"> </div> </div> <div class="col-sm-2"> <div class="form-group"> <label for="flyer-title-color" class="control-label">Color</label> <input required class="form-control" id="flyer-title-color" value="#0080FF" type="color" tabindex="4" title="Title color"> </div> </div> </div> <div class="form-group"> <label class="control-label" for="flyer-description">Description</label> <textarea class="form-control" id="flyer-description" placeholder="Insert a short description taking care of the available space">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nemo, nihil officia neque ad expedita consequatur quae! Voluptate, incidunt, earum, sit, eveniet harum ratione expedita quibusdam possimus sed laboriosam dolore ut recusandae eos. Ipsa,natus pariatur iste dolorum optio nostrum consectetur!</textarea> </div> <div class="row"> <div class="col-sm-4"> <div class="form-group"> <label for="flyer-price" class="control-label">Price</label> <input required class="form-control" id="flyer-price" placeholder="Enter price (w/o decimals)" value="100" type="number" tabindex="5" step="any" min="0"> </div> </div> <div class="col-sm-3"> <div class="form-group"> <label for="flyer-price-currency" class="control-label">Currency</label> <select required class="form-control" id="flyer-price-currency" tabindex="6"> <option value="€">€</option> <option value="$">$</option> <option value="£">£</option> </select> </div> </div> <div class="col-sm-2"> <div class="form-group"> <label for="flyer-price-color" class="control-label">Color</label> <input required class="form-control" id="flyer-price-color" value="#cc0000" type="color" tabindex="8" title="Price color"> </div> </div> </div> <hr> <div class="row"> <div class="col-sm-6"> <div class="form-group"> <button id="flyer_preview_btn" type="button" class="btn btn-primary btn-block" tabindex="9">Update preview</button> </div> </div> <div class="col-sm-6"> <div class="form-group text-right"> <button id="flyer_download_btn" type="button" class="btn btn-default btn-xs btn-block" tabindex="10">Download</button> </div> </div> </div> </div> <div class="col-sm-6"> <iframe id="pdf_preview" type="application/pdf" src=""></iframe> </div> </div>
</div> <script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='http://cdnjs.cloudflare.com/ajax/libs/jspdf/1.0.272/jspdf.debug.js'></script> <script src="js/index.js"></script>
</body>
</html>
PDF Flyer generator - Script Codes CSS Codes
.flyer-builder { position: relative; height: 100%;
}
.flyer-builder iframe,
.flyer-builder .no_iframe { width: 100%; height: 400px; border: 1px solid #666; background-color: #ddd;
}
.flyer-builder .no_iframe > div { width: 80%; position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%); font-weight: normal;
}
@media all and (min-width: 768px) { .flyer-builder .btn.btn-block { display: inline; width: auto; }
}
PDF Flyer generator - Script Codes JS Codes
/* jshint undef:false, newcap: false, unused:false */
(function(API) { API.textAlign = function(txt, options, x, y) { options = options || {}; // Use the options align property to specify desired text alignment // Param x will be ignored if desired text alignment is 'center'. // Usage of options can easily extend the function to apply different text // styles and sizes // Get current font size var fontSize = this.internal.getFontSize(); // Get page width var pageWidth = this.internal.pageSize.width; // Get the actual text's width // You multiply the unit width of your string by your font size and divide // by the internal scale factor. The division is necessary // for the case where you use units other than 'pt' in the constructor // of jsPDF. var txtWidth = this.getStringUnitWidth(txt) * fontSize / this.internal.scaleFactor; if (options.align === "center") { // Calculate text's x coordinate x = (pageWidth - txtWidth) / 2; } else if (options.align === "centerAtX") { // center on X value x = x - (txtWidth / 2); } else if (options.align === "right") { x = x - txtWidth; } // Draw text at x,y this.text(txt, x, y); }; /* API.textWidth = function(txt) { var fontSize = this.internal.getFontSize(); return this.getStringUnitWidth(txt)*fontSize / this.internal.scaleFactor; }; */ API.getLineHeight = function(txt) { return this.internal.getLineHeight(); };
})(jsPDF.API);
(function() { "use strict"; /* Refs: https://mrrio.github.io/jsPDF/ https://github.com/MrRio/jsPDF https://mrrio.github.io/jsPDF/doc/symbols/jsPDF.html */ // some variables var agency_logo = { src: 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', w: 800, h: 285 }, agency_name = 'Travel & Holidays', agency_site_url = 'www.travelandholidays.com', footer = agency_name + ' - ' + agency_site_url, page_size = 'a4', page_width = 210, // mm page_margin = 10, // mm content_width = page_width - (page_margin * 2), // available width for the content _y, _x, // drawing coord color_array, _string, lineHeight, y_correction, // some variables vspace = 10 // standard vertical space between elements ; // some variables var can_display_preview = true, // if true a preview of the PDF can be displayed in the iframe, // this value is set to false if the browser can't display the preview preview_container = $('#pdf_preview'), update_preview_button = $('#flyer_preview_btn'), download_button = $('#flyer_download_btn'); // preview can be displayed? if (navigator.msSaveBlob) { // older IE update_preview_button.prop('disabled', true); can_display_preview = false; preview_container.replaceWith( '<div class="no_iframe">' + '<div>' + "The preview can't be displayed" + '</div>' + '</div>' ); } // utilities var hex2rgb = function(hex_string) { if (/^#/.test(hex_string)) { hex_string = hex_string.substr(1); } if (hex_string.length === 3) { hex_string = hex_string.replace(/\w/, function(match) { return String(match) + String(match); }); } return { red: parseInt(hex_string.substr(0, 2), 16), green: parseInt(hex_string.substr(2, 2), 16), blue: parseInt(hex_string.substr(4, 2), 16) }; }, px2mm = function(pixel) { // px to inches var inches = pixel / 72; return inches * 25.4; }, mm2px = function(millimeters) { // mm to inches var inches = millimeters / 25.4; return inches * 72; }, // function to calculate and check img sizes imgSizes = function(img_w, img_h, img_mm_w) { /* img_w and img_h represent the original image size, in pixel img_mm_w is the desidered rendered image size, in millimeters */ if (img_mm_w > content_width) { // this should be never used... img_mm_w = content_width; } if (mm2px(img_mm_w) > img_w) { throw 'The `img_mm_w` parameter is too big'; } var img_mm_h = Math.round((px2mm(img_h) * img_mm_w) / px2mm(img_w)); return { w: img_mm_w, h: img_mm_h, centered_x: (page_width - img_mm_w) / 2 }; }; try { // image reading // More info at https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsDataURL // for more examples about file api // take a look at https://scotch.io/tutorials/use-the-html5-file-api-to-work-with-files-locally-in-the-browser var flyer_img = $('#flyer-image'), img_data = null; $('#flyer-image').change(function() { // temporary disabling buttons while parsing image update_preview_button.prop('disabled', true); download_button.prop('disabled', true); /* getting the file flyer_img[0] : transforms the jQuery reference to a DOM object files[0] : refers to the file the the user has chosen use `console.log(user_file);` to show some info about the file */ var user_file = flyer_img[0].files[0]; img_data = { type: user_file.type === 'image/jpeg' ? 'JPEG' : 'PNG' // maybe you should add some controls to prevent loading of other file types }; var reader = new FileReader(); reader.onload = function(event) { img_data.src = event.target.result; // we need this to get img dimensions var user_img = new Image(); user_img.onload = function() { img_data.w = user_img.width; img_data.h = user_img.height; // restoring buttons download_button.prop('disabled', false); if (can_display_preview) { update_preview_button.prop('disabled', false); } }; user_img.src = img_data.src; }; //when the file is read it triggers the onload event above. reader.readAsDataURL(user_file); }); //!pdf builder var createPDF = function(update_preview) { /* update_preview: ==> true: shows pdf online ==> false: downloads the pdf */ _y = page_margin; // vertical starting point // form data var flyer_title = $('#flyer-title').val(), flyer_title_size = $('#flyer-title-size').val(), flyer_title_color = $('#flyer-title-color').val(), flyer_description = $('#flyer-description').val(), flyer_price = $('#flyer-price').val(), flyer_price_currency = $('#flyer-price-currency').val(), flyer_price_color = $('#flyer-price-color').val(); var pdf = new jsPDF('p', 'mm', page_size), text_baseline, // some colors: light_grey = 237, grey = 128, black = 0, white = 255; // Optional - set properties of the document pdf.setProperties({ title: flyer_title, subject: footer, author: 'me', creator: 'Flyer Builder & jsPDF' }); // !logo var logo_sizes = imgSizes(agency_logo.w, agency_logo.h, 60); pdf.addImage(agency_logo.src, 'PNG', logo_sizes.centered_x, _y, logo_sizes.w, logo_sizes.h); // fonts initializing pdf.setFont("helvetica"); pdf.setFontType("bold"); // !main title color_array = hex2rgb(flyer_title_color); pdf.setTextColor(color_array.red, color_array.green, color_array.blue); pdf.setFontSize(flyer_title_size); lineHeight = px2mm(pdf.getLineHeight(flyer_title)); _y += (logo_sizes.h + vspace + lineHeight); pdf.textAlign(flyer_title, { align: "center" }, 0, _y); _y += vspace; // !user image if (img_data) { var img_sizes = imgSizes(img_data.w, img_data.h, content_width); pdf.addImage(img_data.src, img_data.type, img_sizes.centered_x, _y, img_sizes.w, img_sizes.h); _y += img_sizes.h; } else { // if we haven't an image, a grey box with a text is added var box_height = 80; pdf.setFillColor(light_grey); pdf.roundedRect(page_margin, _y, content_width, box_height, 5, 5, 'F'); pdf.setFontSize(60); pdf.setTextColor(white); _string = 'SPECIAL OFFER'; lineHeight = px2mm(pdf.getLineHeight(_string)); // y_correction: value to be added to y coord of the grey box to have text vertically centered // it is empirically calculated adding 1/3 of text line height to half box height y_correction = box_height / 2 + lineHeight / 3; pdf.textAlign(_string, { align: "center" }, 0, _y + y_correction); _y += box_height; } // !price // first: creating a circle that overlaps the bottom side of the image var circle_radius = 30; color_array = hex2rgb(flyer_price_color); pdf.setFillColor(color_array.red, color_array.green, color_array.blue); // _x and _y refer to center of the circle _x = content_width - circle_radius; // circle ends at `page_margin` millimeters from the image right side pdf.circle(_x, _y, circle_radius, 'F'); // circle overlaps image for 1/2 of its height pdf.setFontSize(60); pdf.setFont("times"); pdf.setFontType("bold"); _string = flyer_price_currency + parseInt(flyer_price); // decimals are removed lineHeight = px2mm(pdf.getLineHeight(_string)); y_correction = lineHeight / 3; pdf.setTextColor(white); pdf.textAlign(_string, { align: "centerAtX" }, _x, _y + y_correction); // !description if (flyer_description) { pdf.setFontSize(20); pdf.setFont("helvetica"); pdf.setFontType("italic"); pdf.setTextColor(grey); var lineWidth = content_width - (circle_radius * 2) - (page_margin * 2); _y += page_margin; var line_height = 12; // mm var description_lines = pdf.splitTextToSize(flyer_description, lineWidth); //pdf.text(page_margin, _y, description_lines); // doesn't allows to change line spacing for (var i = 0; i < description_lines.length; i++) { pdf.text(page_margin, _y, description_lines[i]); _y += line_height; } } // !footer _y = 287; pdf.setFontSize(9); pdf.setFontType("normal"); pdf.setTextColor(black); pdf.textAlign(footer, { align: "center" }, 0, _y); // **************************** // output if (update_preview) { preview_container.attr('src', pdf.output('datauristring')); } else { pdf.save('flyer ' + flyer_title + '.pdf'); } }; // end createPDF // !buttons update_preview_button.click(function() { createPDF(true); }); $('#flyer_download_btn').click(function() { createPDF(false); }); } catch (e) { console.log(e); }
})();
Developer | Massimo Cassandro |
Username | massimo-cassandro |
Uploaded | November 09, 2022 |
Rating | 3 |
Size | 16,758 Kb |
Views | 16,192 |
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