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offline storage

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This commit is contained in:
Fred Chasen 2013-01-22 22:20:39 -08:00
parent 8e6f8289ca
commit 0690ad97d0
11 changed files with 926 additions and 342 deletions
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27
fpjs/render/core.js
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@ -136,4 +136,29 @@ FP.core.toArray = function(obj) {
}
return arr;
};
};
//-- https://github.com/ebidel/filer.js/blob/master/src/filer.js#L128
FP.core.dataURLToBlob = function(dataURL) {
var BASE64_MARKER = ';base64,';
if (dataURL.indexOf(BASE64_MARKER) == -1) {
var parts = dataURL.split(',');
var contentType = parts[0].split(':')[1];
var raw = parts[1];
return new Blob([raw], {type: contentType});
}
var parts = dataURL.split(BASE64_MARKER);
var contentType = parts[0].split(':')[1];
var raw = window.atob(parts[1]);
var rawLength = raw.length;
var uInt8Array = new Uint8Array(rawLength);
for (var i = 0; i < rawLength; ++i) {
uInt8Array[i] = raw.charCodeAt(i);
}
return new Blob([uInt8Array], {type: contentType});
}