var successCB = function (filePhoto) {
var fileType = file.contentType,
reader = new FileReader();
reader.onloadend = function () {
var image = new Image();
image.src = reader.result;
image.onload = function () {
var imageWidth = targetWidth,
imageHeight = targetHeight;
var canvas = document.createElement('canvas');
canvas.width = imageWidth;
canvas.height = imageHeight;
var ctx = canvas.getContext("2d");
ctx.drawImage(this, 0, 0, imageWidth, imageHeight);
// The resized file ready for upload
var _blob = canvas.msToBlob();
var _stream = _blob.msDetachStream();
Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) {
storageFolder.createFileAsync(tempPhotoFileName, Windows.Storage.CreationCollisionOption.generateUniqueName).done(function (file) {
file.openAsync(Windows.Storage.FileAccessMode.readWrite).done(function (fileStream) {
Windows.Storage.Streams.RandomAccessStream.copyAndCloseAsync(_stream, fileStream).done(function () {
var _imageUrl = URL.createObjectURL(file);
successCallback(_imageUrl);
}, function () { errorCallback("Resize picture error."); });
}, function () { errorCallback("Resize picture error."); });
}, function () { errorCallback("Resize picture error."); });
});
};
};
reader.readAsDataURL(filePhoto);
};
var successCB = function (filePhoto) {
var fileType = file.contentType,
reader = new FileReader();
reader.onloadend = function () {
var image = new Image();
image.src = reader.result;
image.onload = function () {
var imageWidth = targetWidth,
imageHeight = targetHeight;
var canvas = document.createElement('canvas');
canvas.width = imageWidth;
canvas.height = imageHeight;
var ctx = canvas.getContext("2d");
ctx.drawImage(this, 0, 0, imageWidth, imageHeight);
// The resized file ready for upload
var finalFile = canvas.toDataURL(fileType);
// Remove the prefix such as "data:" + contentType + ";base64," , in order to meet the Cordova API.
var arr = finalFile.split(",");
var newStr = finalFile.substr(arr[0].length + 1);
successCallback(newStr);
};
};
reader.readAsDataURL(filePhoto);
};