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Posted to issues@cordova.apache.org by GitBox <gi...@apache.org> on 2020/07/07 18:39:01 UTC
[GitHub] [cordova-plugin-camera] hungabor01 opened a new issue #623: Data url does not contain gps information
hungabor01 opened a new issue #623:
URL: https://github.com/apache/cordova-plugin-camera/issues/623
# Bug Report
## Problem
When using navigator.camera.getPicture function with data url destination type, the returned base64 string does not contain the gps exif information. I am able to extract other exif data, like orientation or height, but the longitude, latitude values are undefined.
### What is expected to happen?
For example, attaching an image from photo library with gps information, the longitude, latitude values can be extracted from the base64 data url of the image.
### What does actually happen?
Longitude and latitude values are given back as undefined.
## Information
I am using the base64 string of the image as destination type, because it is necessary later on. So I can only use other destination types, if I can get the base64 string of the image as well.
### Command or Code
```
var successCallback = function (imageData) {
var image = new Image();
image.onload = function () {
EXIF.getData(image, function () {
var lat = EXIF.getTag(this, "GPSLatitude"),
long = EXIF.getTag(this, "GPSLongitude");
console.log("lat and long: " + lat + " " + long); //and do other stuff with the long, lat values
});
};
image.src = imageData;
var dataUri = "data:image/jpeg;base64," + imageData,
fileInfo = {
name: 'img.jpg',
type: 'image/jpg'
};
me.SaveImageData(dataUri, fileInfo); //display, put in local store, send to server
};
navigator.camera.getPicture(successCallback,
failureCallback,
{
sourceType: fromvalue, //user selection
destinationType: Camera.DestinationType.DATA_URL,
targetWidth: 800,
targetHeight: 600
});
```
### Environment, Platform, Device
Android and iOS (tried on different versions as well)
capturing image and attaching existing one, both cases
### Version information
cordova 7.0.1
cordova-plugin-camera 4.0.3 (latest supported version for this cordova version)
## Checklist
- [x] I searched for existing GitHub issues
- [x] I updated all Cordova tooling to most recent version
- [x] I included all the necessary information above
Note, I could not find any information that this plugin is not able to return the gps information in the exif data, that is why I consider this as a bug. However, since I am no expert in cordova, maybe I am doing something wrong or missing something. Therefore I posted a question to [stakoverflow](https://stackoverflow.com/questions/62781535/in-cordova-navigator-camera-getpicture-function-data-url-does-not-return-gps-lo) as well. If this does not qualify as a bug, but somebody can help, I would appreciate anything.
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[GitHub] [cordova-plugin-camera] hungabor01 commented on issue #623: Data url does not contain gps information
Posted by GitBox <gi...@apache.org>.
hungabor01 commented on issue #623:
URL: https://github.com/apache/cordova-plugin-camera/issues/623#issuecomment-680069405
Thank you, ryaa's version indeed solved all of my issues.
https://github.com/ryaa/cordova-plugin-camera
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[GitHub] [cordova-plugin-camera] sc0ttdav3y edited a comment on issue #623: Data url does not contain gps information
Posted by GitBox <gi...@apache.org>.
sc0ttdav3y edited a comment on issue #623:
URL: https://github.com/apache/cordova-plugin-camera/issues/623#issuecomment-659865804
Take a look at this PR thread for details of current progress on a fix for missing exif data: https://github.com/apache/cordova-plugin-camera/pull/525
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[GitHub] [cordova-plugin-camera] hungabor01 closed issue #623: Data url does not contain gps information
Posted by GitBox <gi...@apache.org>.
hungabor01 closed issue #623:
URL: https://github.com/apache/cordova-plugin-camera/issues/623
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[GitHub] [cordova-plugin-camera] sc0ttdav3y commented on issue #623: Data url does not contain gps information
Posted by GitBox <gi...@apache.org>.
sc0ttdav3y commented on issue #623:
URL: https://github.com/apache/cordova-plugin-camera/issues/623#issuecomment-659865804
Take a look at this PR thread for details of current progress on a fix.
https://github.com/apache/cordova-plugin-camera/pull/525
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