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October 9, 2019 06:11
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Extract metadata from image using exif-js; has drag-drop box to drop image into, and shows metadata if any exists.
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge" /> | |
| <title>EXIF example with inline EXIF info</title> | |
| </head> | |
| <body> | |
| <br /> | |
| <br /> | |
| <br /> | |
| <input type="file" id="fileInput" hidden /> | |
| <div id="dropzone"> | |
| <h3 | |
| style="font-family: Arial, Helvetica, sans-serif;font-size: 24px;color:#e3e3e3" | |
| > | |
| Drop Here | |
| </h3> | |
| <img src="" id="image" /><br /> | |
| </div> | |
| <pre id="img3WithXmpMetaData"></pre> | |
| <!-- <img src="./img.jpg" height="150px" width="150px" /> --> | |
| <!-- <script type="text/javascript" src="./exif.min-2.3.0.js"></script> --> | |
| <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/exif-js"></script> | |
| <script> | |
| "use strict"; | |
| window.onload = () => { | |
| var img = document.getElementById("image"); | |
| // getExif(img); | |
| let dropzone = document.getElementById("dropzone"); | |
| const fileInput = document.getElementById("fileInput"); | |
| dropzone.ondragover = e => { | |
| e.preventDefault(); | |
| }; | |
| dropzone.ondrop = e => { | |
| e.preventDefault(); | |
| // console.log(e); | |
| fileInput.files = e.dataTransfer.files; | |
| var files = e.dataTransfer.files[0]; | |
| img.src = URL.createObjectURL( | |
| new Blob([e.dataTransfer.files[0]], { type: "image/jpeg" }) | |
| ); | |
| img.classList.add("show"); | |
| }; | |
| img.onload = function(e) { | |
| getExif(this); | |
| }; | |
| }; | |
| function getExif(img) { | |
| if (!img) return console.error("no image"); | |
| // EXIF.enableXmp(); | |
| EXIF.getData(img, function() { | |
| var allMetaData = EXIF.getAllTags(this); | |
| var img3WithXmpMetaData = document.getElementById( | |
| "img3WithXmpMetaData" | |
| ); | |
| img3WithXmpMetaData.innerHTML = JSON.stringify( | |
| allMetaData, | |
| null, | |
| "\t" | |
| ).replace(/\u0000/g, ""); | |
| }); | |
| } | |
| </script> | |
| </body> | |
| <style> | |
| #image { | |
| width: 200px; | |
| height: 200px; | |
| display: none; | |
| border-radius: 6px; | |
| } | |
| #image.show { | |
| display: initial; | |
| position: absolute; | |
| left: 0; | |
| top: 0;z-index: 100; | |
| } | |
| #dropzone { | |
| position: relative; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| width: 200px; | |
| height: 200px; | |
| border: 1px dashed black; | |
| border-radius: 6px; | |
| } | |
| </style> | |
| </html> |
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