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.. image:: https://travis-ci.org/hMatoba/piexifjs.svg?branch=master :target: https://travis-ci.org/hMatoba/piexifjs
Read and modify exif. Library to modify exif in JS(both client-side and Node.js). http://piexifjs.readthedocs.org/en/latest/index.html
Use with File API or Canvas API.
::
<input type="file" id="files" />
<script source="/js/piexif.js" />
<script>
function handleFileSelect(evt) {
var file = evt.target.files[0];
var zeroth = {};
var exif = {};
var gps = {};
zeroth[piexif.ImageIFD.Make] = "Make";
zeroth[piexif.ImageIFD.XResolution] = [777, 1];
zeroth[piexif.ImageIFD.YResolution] = [777, 1];
zeroth[piexif.ImageIFD.Software] = "Piexifjs";
exif[piexif.ExifIFD.DateTimeOriginal] = "2010:10:10 10:10:10";
exif[piexif.ExifIFD.LensMake] = "LensMake";
exif[piexif.ExifIFD.Sharpness] = 777;
exif[piexif.ExifIFD.LensSpecification] = [[1, 1], [1, 1], [1, 1], [1, 1]];
gps[piexif.GPSIFD.GPSVersionID] = [7, 7, 7, 7];
gps[piexif.GPSIFD.GPSDateStamp] = "1999:99:99 99:99:99";
var exifObj = {"0th":zeroth, "Exif":exif, "GPS":gps};
var exifStr = piexif.dump(exifObj);
var reader = new FileReader();
reader.onload = function(e) {
var inserted = piexif.insert(exifStr, e.target.result);
var image = new Image();
image.src = inserted;
image.width = 200;
var el = $("<div></div>").append(image);
$("#resized").prepend(el);
};
reader.readAsDataURL(file);
}
document.getElementById('files').addEventListener('change', handleFileSelect, false);
</script>
Doesn't need other libraries.
Tested on IE11, Opera28, and PhantomJS 1.9.8. It runs on even Node.js.
This software is released under the MIT License, see LICENSE.txt.
FAQs
Read and write exif.
The npm package piexifjs receives a total of 53,586 weekly downloads. As such, piexifjs popularity was classified as popular.
We found that piexifjs demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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