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avatar images' base64 encoding-decoding for jpeg and png for local storage, #339

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This commit is contained in:
Simon Grim 2016-01-18 10:59:55 +05:00
parent 573d28723b
commit f9ca714791
1 changed files with 4 additions and 4 deletions
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8
js/twister_io.js
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@ -384,10 +384,10 @@ function getAvatar(username, img) {
if (data) {
switch (data.substr(0, 4)) {
case 'jpg/':
data = 'data:image/jpeg;base64,/9j/' + data.slice(4);
data = 'data:image/jpeg;base64,/9j/' + window.btoa(data.slice(4));
break;
case 'png/':
data = 'data:image/png;base64,' + data.slice(4);
data = 'data:image/png;base64,' + window.btoa(data.slice(4));
break;
}
_avatarMap[username] = data;
@ -399,9 +399,9 @@ function getAvatar(username, img) {
_avatarMap[req.username] = imagedata;
if (imagedata !== 'img/genericPerson.png') {
if (imagedata.substr(0, 27) === 'data:image/jpeg;base64,/9j/')
_putResourceIntoStorage('avatar:' + username, 'jpg/' + imagedata.slice(27));
_putResourceIntoStorage('avatar:' + username, 'jpg/' + window.atob(imagedata.slice(27)));
else if (imagedata.substr(0, 22) === 'data:image/png;base64,')
_putResourceIntoStorage('avatar:' + username, 'png/' + imagedata.slice(22));
_putResourceIntoStorage('avatar:' + username, 'png/' + window.atob(imagedata.slice(22)));
else
_putResourceIntoStorage('avatar:' + username, imagedata);
}