Cordova Exif
This plugin, is the simplest way to get exif data of images at Cordova platform (Phonegap)
Getting Started
Installing
cordova plugin add https://github.com/domax/cordova-exif.git --save
Usage
Pass imageURI and get the object with EXIF information
CordovaExif.readData(imageURI, function(exifObject) {
console.log(exifObject);
});
OBS: To get the Exif data, you application need to have access permission to the file. If you are using Cordova version 3.3 or later, install the following plugins:
cordova plugin add org.apache.cordova.camera
cordova plugin add org.apache.cordova.file
What is Exif?
Is a standard followed by manufacturers of digital cameras that record information about the technical conditions of image capture on the image file itself in the form of tagged metadata.
If you want know more about technical information, see these links:
Example of Exif Data on photo
Key | Value |
---|---|
Make | Canon |
Model | Canon EOS 60D |
DateTime | 2014:02:16 15:00:00 |
XResolution | 240 |
YResolution | 240 |
Resolution Unit | Inch |
FNumber | f/8.0 |
Focal Length | 100 mm |
GPS Latitude | -8.053889 |
GPS Longitude | -34.880833 |
Exposure Program | Aperture priority |
Flash | Flash fired, compulsory flash mode |
Metering Mode | Pattern |
Exposure Time | 0.004 |
Shutter SpeedValue | 7.965784 |
Custom Rendered | Normal process |
White Balance | Auto white balance |
ISO Speed Ratings | (100) |
Lens Model | EF100mm f/2.8L Macro IS USM |
Lens Serial Number | 0000023967 |
Lens Specification | (100,100,0,0) |
This is just somes examples, has much more informations. | ... |
Complete Example
This example show how its simple get exif information of photo taken by a smartphone.
var options = {
quality: 90,
sourceType: 2,
destinationType: 1,
};
function onSuccess(imageURI) {
CordovaExif.readData(imageURI, function(exifObject) {
console.log(exifObject);
});
};
function onFail(message) {
console.log('Failed because: ' + message);
};
navigator.camera.getPicture(onSuccess, onFail, options);
About
Who?
Created by Guilherme Farias, a web developer from Brazil.
License?
Cordova Exif is released under the terms of the MIT license.