National Puppy Menace

    exiv2

    0.6.3 • Public • Published

    Exiv2

    Exiv2 is a native c++ extension for io.js and node.js that provides support for reading and writing image metadata via the Exiv2 library.

    Dependencies

    To build this addon you'll need the Exiv2 library and headers so if you're using a package manager you might need to install an additional "-dev" packages.

    Debian

    apt-get install libexiv2 libexiv2-dev
    

    OS X

    You'll also need to install pkg-config to help locate the library and headers.

    MacPorts:

    port install pkgconfig exiv2
    

    Homebrew:

    brew install pkg-config exiv2
    

    Other systems

    See the Exiv2 download page for more information.

    Installation Instructions

    Once the dependencies are in place, you can build and install the module using npm:

    npm install exiv2
    

    You can verify that everything is installed and operating correctly by running the tests:

    npm test
    

    Sample Usage

    Read tags:

    var ex = require('exiv2');
    
    ex.getImageTags('./photo.jpg', function(err, tags) {
      console.log("DateTime: " + tags["Exif.Image.DateTime"]);
      console.log("DateTimeOriginal: " + tags["Exif.Photo.DateTimeOriginal"]);
    });
    

    Load preview images:

    var ex = require('exiv2')
      , fs = require('fs');
    
    ex.getImagePreviews('./photo.jpg', function(err, previews) {
      // Display information about the previews.
      console.log(previews);
    
      // Or you can save them--though you'll probably want to check the MIME
      // type before picking an extension.
      fs.writeFile('preview.jpg', previews[0].data);
    });
    

    Write tags:

    var ex = require('exiv2')
    
    var newTags = {
      "Exif.Photo.UserComment" : "Some Comment..",
      "Exif.Canon.OwnerName" : "My Camera"
    };
    ex.setImageTags('./photo.jpg', newTags, function(err){
      if (err) {
        console.error(err);
      } else {
        console.log("setImageTags complete..");
      }
    });
    

    Delete tags:

    var ex = require('exiv2')
    
    var tagsToDelete = ["Exif.Photo.UserComment", "Exif.Canon.OwnerName"];
    ex.deleteImageTags('./photo.jpg', tagsToDelete, function(err){
      if (err) {
        console.error(err);
      } else {
        console.log("deleteImageTags complete..");
      }
    });
    

    Take a look at the examples/ and test/ directories for more.

    email: dberesford at gmail twitter: @dberesford

    Keywords

    none

    Install

    npm i exiv2

    DownloadsWeekly Downloads

    5

    Version

    0.6.3

    License

    none

    Last publish

    Collaborators

    • drewish
    • damianberesford