public async Task <Stream> Encode()
{
try
{
Stopwatch stopwatchEncode = new Stopwatch();
stopwatchEncode.Start();
IRandomAccessStream imageStream = (IRandomAccessStream) new InMemoryRandomAccessStream();
BitmapEncoder bitmapEncoder = await GraffitiEncoder.BuildEncoder(imageStream);
BitmapPixelFormat pixelFormat;
byte[] imageBinaryData1 = GraffitiEncoder.GetImageBinaryData1(this._bitmap, out pixelFormat);
int num1 = (int)pixelFormat;
int num2 = 0;
int pixelWidth = ((BitmapSource)this._bitmap).PixelWidth;
int pixelHeight = ((BitmapSource)this._bitmap).PixelHeight;
double dpiX = 72.0;
double dpiY = 72.0;
byte[] pixels = imageBinaryData1;
bitmapEncoder.SetPixelData((BitmapPixelFormat)num1, (BitmapAlphaMode)num2, (uint)pixelWidth, (uint)pixelHeight, dpiX, dpiY, pixels);
await WindowsRuntimeSystemExtensions.AsTask(bitmapEncoder.FlushAsync()).ConfigureAwait(false);
long size = (long)imageStream.Size;
stopwatchEncode.Stop();
Execute.ExecuteOnUIThread((Action)(() => {}));
return(WindowsRuntimeStreamExtensions.AsStreamForRead((IInputStream)imageStream));
}
catch
{
return(null);
}
}
/// <summary>
/// 通过转成byte[]来实现图片储存，但不知道为什么就是不好用，得到得图片颜色配置不正确。
/// 会不会因为方法将所有像素数据视为sRGB 颜色空间中的像素数据？
/// </summary>
/// <param name="thumbnail"></param>
/// <returns></returns>
private async Task SaveWizPixelAsync(StorageItemThumbnail thumbnail)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(thumbnail.GetInputStreamAt(0));
byte[] buffer = new byte[thumbnail.Size];
// byte[] pixelbytes;
using (MemoryStream ms = new MemoryStream())
{
stream.Read(buffer, 0, buffer.Length);
}
#region 测试得到的buffer是否完整 结果是使用buffer生成的IrandomAccessTream来为BitmapImage.SetValue()提供参数，显示正常。
//InMemoryRandomAccessStream memoryStream = new InMemoryRandomAccessStream();
//DataWriter datawriter = new DataWriter(memoryStream.GetOutputStreamAt(0));
//datawriter.WriteBytes(buffer);
//await datawriter.StoreAsync();
#endregion
var file = await ApplicationData.Current.LocalFolder.CreateFileAsync("Testimage.jpg", CreationCollisionOption.GenerateUniqueName);
using (var sm = await file.OpenAsync(FileAccessMode.ReadWrite))
{
BitmapEncoder encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, sm);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Premultiplied
thumbnail.OriginalWidth,
thumbnail.OriginalHeight,
DisplayInformation.GetForCurrentView().LogicalDpi,
DisplayInformation.GetForCurrentView().LogicalDpi,
buffer);
await encoder.FlushAsync();
}
}
public static IEnumerable <string> ReadLines(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException();
}
try
{
IAsyncOperation <IRandomAccessStream> source = FileHelper.GetFileForPathOrURI(path).OpenAsync(FileAccessMode.Read);
WindowsRuntimeSystemExtensions.AsTask <IRandomAccessStream>(source).Wait();
using (FileRandomAccessStream randomAccessStream = (FileRandomAccessStream)source.GetResults())
{
StreamReader streamReader = new StreamReader(WindowsRuntimeStreamExtensions.AsStreamForRead((IInputStream)randomAccessStream));
List <string> list = new List <string>();
while (true)
{
string str = streamReader.ReadLine();
if (str != null)
{
list.Add(str);
}
else
{
break;
}
}
return((IEnumerable <string>)list);
}
}
catch (Exception ex)
{
throw File.GetRethrowException(ex);
}
}
/// <summary>
/// 保存远程url地址图片,到本地
/// </summary>
/// <param name="uri">远程地址</param>
/// <param name="filename">保存的名称</param>
/// <param name="folder">保存位置枚举</param>
/// <returns></returns>
internal async static Task SaveImageFromUrl(string uri, string filename, StorageFolder folder)
{
var rass = RandomAccessStreamReference.CreateFromUri(new Uri(uri));
IRandomAccessStream inputStream = await rass.OpenReadAsync();
Stream input = WindowsRuntimeStreamExtensions.AsStreamForRead(inputStream.GetInputStreamAt(0));
try
{
//获取图片扩展名的Guid
StorageFile outputFile = await folder.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
using (IRandomAccessStream outputStream = await outputFile.OpenAsync(FileAccessMode.ReadWrite))
{
Stream output = WindowsRuntimeStreamExtensions.AsStreamForWrite(outputStream.GetOutputStreamAt(0));
await input.CopyToAsync(output);
output.Dispose();
input.Dispose();
}
}
catch (Exception ex)
{
throw ex;
}
}
internal ImageSource GetActualImageSource()
{
if (_imageSource != null)
{
return(_imageSource);
}
if (_uriSource != null)
{
// hdt
BitmapImage imageSource = new BitmapImage();
StorageFile.GetFileFromApplicationUriAsync(_uriSource).AsTask().ContinueWith((fr) =>
{
if ((fr.Result != null) && !fr.IsFaulted)
{
Action <Task <IRandomAccessStreamWithContentType> > func = delegate(Task <IRandomAccessStreamWithContentType> r)
{
using (Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(r.Result))
{
// Utility.InitImageSource(imageSource, stream);
//导出RptText ImageUri时图片不出问题 李雪修改
InitImageSource(stream);
}
};
WindowsRuntimeSystemExtensions.AsTask <IRandomAccessStreamWithContentType>(fr.Result.OpenReadAsync()).ContinueWith(func);
}
});
return(imageSource);
}
return(null);
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
this.ConPPT.IsEnabled = false;
Client = Connect.Client;
changlanguage();
Client.SendCommand("data?");
if (e.NavigationMode == NavigationMode.Back && PickFiles.PickedFiles.Count > 0)
{
StorageFile file = PickFiles.PickedFiles[0];
IRandomAccessStream fileStream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(fileStream.GetInputStreamAt(0));
byte[] bt = ConvertStreamTobyte(stream);
Client.SendCommand("FileName|" + file.Name);
Thread.Sleep(1000);
Client.SendCommand(bt);
string[] type = file.Name.Split('.');
if (type[type.Length - 1] == "ppt")
{
this.ConPPT.IsEnabled = true;
}
}
}
public async Task <IRandomAccessStream> StartDownload(Uri uri)
{
byte[] bytes = null;
TriggerDownLoadChanging(new DownLoadChangingEventArgs(DownloadBytesCount, 0, bytes));
cts = new CancellationTokenSource();
DownloadBytesCount = new DownLoadBytes();
var stream = await GetAsyncStreamDownLoad(uri, cts.Token);
if (!cts.IsCancellationRequested && stream != null)
{
using (stream)
{
var randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(stream.AsInputStream(), outputStream);
DownloadBytesCount.BytesReceived = Convert.ToInt64(randomAccessStream.Size);
var randomAccessStreamTemp = randomAccessStream.CloneStream();
Stream streamTemp = WindowsRuntimeStreamExtensions.AsStreamForRead(randomAccessStreamTemp.GetInputStreamAt(0));
var bytesTemp = ConvertStreamTobyte(streamTemp);
TriggerDownLoadChanging(new DownLoadChangingEventArgs(DownloadBytesCount, 100, bytesTemp));
//TriggerDownLoadComplete(new DownLoadCompleteEventArgs(randomAccessStream));
TriggerDownLoadComplete(new DownLoadCompleteEventArgs(randomAccessStream.CloneStream()));
return(randomAccessStream as IRandomAccessStream);
}
}
return(null);
}
/// <summary>
/// IRandomAccessStream转换为bytes
/// </summary>
/// <param name="randomAccessStream"></param>
/// <returns></returns>
public static async Task <byte[]> AccessStreamToBytesAsync(IRandomAccessStream randomAccessStream)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(randomAccessStream.GetInputStreamAt(0));
MemoryStream ms = new MemoryStream();
await stream.CopyToAsync(ms);
return(ms.ToArray());
}
/// <summary>
/// 网络图片Uri转换成流
/// </summary>
/// <param name="uri"></param>
/// <returns></returns>
internal async static Task <Stream> UriToStream(string uri)
{
var rass = RandomAccessStreamReference.CreateFromUri(new Uri(uri));
IRandomAccessStream inputStream = await rass.OpenReadAsync();
Stream input = WindowsRuntimeStreamExtensions.AsStreamForRead(inputStream.GetInputStreamAt(0));
return(input);
}
private async void VoiceCaptureButton_Click(object sender, RoutedEventArgs e)
{
string output;
//开始录音
if (VoiceRecordSym == true)
{
_memoryBuffer = new InMemoryRandomAccessStream();
VoiceCaptureButton.FontFamily = new FontFamily("Segoe UI");
VoiceCaptureButton.Content = "停止录音";
VoiceRecordSym = false;
if (IsRecording)
{
throw new InvalidOperationException("Recording already in progress!");
}
MediaCaptureInitializationSettings settings =
new MediaCaptureInitializationSettings
{
StreamingCaptureMode = StreamingCaptureMode.Audio
};
_mediaCapture = new MediaCapture();
await _mediaCapture.InitializeAsync(settings);
//将录音文件存入_memoryBuffer里面
await _mediaCapture.StartRecordToStreamAsync(MediaEncodingProfile.CreateWav(AudioEncodingQuality.Auto), _memoryBuffer);
IsRecording = true;
}
//停止录音
else
{
await _mediaCapture.StopRecordAsync();
IsRecording = false;
VoiceCaptureButton.FontFamily = new FontFamily("Segoe MDL2 Assets");
VoiceCaptureButton.Content = "\xE1D6";
VoiceRecordSym = true;
progessRing.IsActive = true;
Input.IsReadOnly = true;
//转换InMemoryRandomAccessStream成Stream
Stream tempStream = WindowsRuntimeStreamExtensions.AsStreamForRead(_memoryBuffer.GetInputStreamAt(0));
using (var stream = new MemoryStream())
{
tempStream.CopyTo(stream);
VoiceToText voiceToText = new VoiceToText();
//传入VoiceToText函数
output = await voiceToText.ReadVoice(stream, "yue");
}
//tempStream.Position = 0;
progessRing.IsActive = false;
Input.IsReadOnly = false;
Input.Text += output;
}
}
public static async Task <string> GetTestData(string filePath)
{
var folder = Package.Current.InstalledLocation;
var file = await folder.GetFileAsync(filePath);
var openFile = await file.OpenReadAsync();
var reader = new StreamReader(WindowsRuntimeStreamExtensions.AsStreamForRead(openFile));
return(await reader.ReadToEndAsync());
}
internal static Stream OpenFileForReading(StorageFile file)
{
Task <IRandomAccessStream> task = WindowsRuntimeSystemExtensions.AsTask <IRandomAccessStream>(file.OpenAsync(FileAccessMode.Read));
task.Wait();
if (task.Status != TaskStatus.RanToCompletion)
{
throw new Exception("Failed to open file!");
}
else
{
return(WindowsRuntimeStreamExtensions.AsStreamForRead((IInputStream)task.Result));
}
}
public static async Task <Point> GetPixelWidthAndHeight(this IRandomAccessStream iRandomAccessStream)
{
var tempIRandomAccessStream = iRandomAccessStream.CloneStream();
Stream inputStream = WindowsRuntimeStreamExtensions.AsStreamForRead(tempIRandomAccessStream.GetInputStreamAt(0));
var copiedBytes = ConvertStreamTobyte(inputStream);
Stream tempStream = new MemoryStream(copiedBytes);
Guid decoderId = Guid.Empty;
ImageType type = ImageTypeCheck.CheckImageType(copiedBytes);
switch (type)
{
case ImageType.GIF:
{
break;
}
case ImageType.JPG:
{
decoderId = BitmapDecoder.JpegDecoderId;
break;
}
case ImageType.PNG:
{
decoderId = BitmapDecoder.PngDecoderId;
break;
}
default:
{
break;
}
}
var randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
var bitDecoder = await BitmapDecoder.CreateAsync(decoderId, randomAccessStream);
var frame = await bitDecoder.GetFrameAsync(0);
Point point = new Point();
point.X = frame.PixelWidth;
point.Y = frame.PixelHeight;
return(point);
}
/**
* Extracts image pixels into byte array "pixels"
*/
protected void GetImagePixels(IRandomAccessStream iRandomAccessStream)
{
/*Point pointWH = await WriteableBitmapExpansion.GetPixelWidthAndHeight(iRandomAccessStream);
* int w = (int)pointWH.X;
* int h = (int)pointWH.Y;*/
int count = 0;
byte[] tempByte = null;
/*
* //进行统一尺寸的格式压缩
* if ((w != width)
|| (h != height)
|| )
||{
|| var bytes = await WriteableBitmapExpansion.ResizeBytes(iRandomAccessStream, width, height, BitmapInterpolationMode.Cubic);
|| pixels = new Byte[3 * width * height];
|| pointWH = new Point(width, height);
|| tempByte = bytes;
||}
||else
||{
|| pointWH = await WriteableBitmapExpansion.GetPixelWidthAndHeight(imageIAStream);
|| pixels = new Byte[3 * (int)pointWH.X * (int)pointWH.Y];
|| tempByte = await WriteableBitmapExpansion.WriteableBitmapToBytes(imageIAStream);
||}
*/
pixels = new Byte[3 * (int)width * (int)height];
/*tempByte = await WriteableBitmapExpansion.WriteableBitmapToBytes(imageIAStream);*/
Stream inputStream = WindowsRuntimeStreamExtensions.AsStreamForRead(imageIAStream.GetInputStreamAt(0));
tempByte = inputStream.ConvertStreamTobyte();
for (int th = 0; th < height; th++)
{
for (int tw = 0; tw < width; tw++)
{
Color color = WriteableBitmapExpansion.GetPixel(tempByte, Convert.ToInt32(width), tw, th);
pixels[count] = color.R;
count++;
pixels[count] = color.G;
count++;
pixels[count] = color.B;
count++;
}
}
}
/// <summary>
/// Gets the image.
/// </summary>
/// <param name="source">The source</param>
/// <returns></returns>
internal Image GetImage(ImageSource source)
{
if (source == null)
{
return(null);
}
if (this.imageCaches.ContainsKey(source))
{
return(this.imageCaches[source]);
}
Windows.UI.Xaml.Media.Imaging.BitmapImage image = source as Windows.UI.Xaml.Media.Imaging.BitmapImage;
Stream stream = null;
try
{
if ((image != null) && (image.UriSource != null))
{
try
{
Uri uri1 = ((Windows.UI.Xaml.Media.Imaging.BitmapImage)source).UriSource;
Uri uri = new Uri("ms-appx:///" + uri1.LocalPath.TrimStart(new char[] { '/' }));
stream = WindowsRuntimeStreamExtensions.AsStreamForRead(StorageFile.GetFileFromApplicationUriAsync(uri).GetResultSynchronously <StorageFile>().OpenSequentialReadAsync().GetResultSynchronously <IInputStream>());
}
catch (Exception)
{
stream = Utility.GetImageStream(source, ImageFormat.Png, PictureSerializationMode.Normal);
}
}
else if (image != null)
{
stream = Utility.GetImageStream(source, ImageFormat.Png, PictureSerializationMode.Normal);
}
if (stream != null)
{
byte[] buffer = new byte[stream.Length];
stream.Read(buffer, 0, buffer.Length);
Image instance = Image.GetInstance(buffer);
this.imageCaches.Add(source, instance);
stream.Dispose();
return(instance);
}
return(null);
}
catch
{
return(null);
}
}
public static IBuffer ToBuffer(this IRandomAccessStream randomStream)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(randomStream.GetInputStreamAt(0));
var memoryStream = new MemoryStream();
if (stream != null)
{
byte[] bytes = stream.ToByteArray();
if (bytes != null)
{
var binaryWriter = new BinaryWriter(memoryStream);
binaryWriter.Write(bytes);
}
}
return(WindowsRuntimeBufferExtensions.GetWindowsRuntimeBuffer(memoryStream, 0, (int)memoryStream.Length));
}
//合成数据
private byte[] Combine(IRandomAccessStream iRandomAccessStream)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(iRandomAccessStream.GetInputStreamAt(0));
byte[] buffer = new byte[16 * 1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
Bytes.AddRange(ms.ToArray());
return(Bytes.ToArray());
}
}
/// <summary>
/// 检测上一次同步的时间，并于本机同步时间比对
/// </summary>
/// <returns>相同返回<c>True</c>，不同返回<c>False</c></returns>
public async Task <bool> CheckLastAsync()
{
if (_appFolder == null)
{
throw new UnauthorizedAccessException("You need to complete OneDrive authorization before you can upload the image");
}
try
{
var historyFile = await _appFolder.GetFileAsync("LastAsyncTime");
using (var stream = (await historyFile.StorageFilePlatformService.OpenAsync()) as IRandomAccessStream)
{
Stream st = WindowsRuntimeStreamExtensions.AsStreamForRead(stream);
st.Position = 0;
StreamReader sr = new StreamReader(st, Encoding.UTF8);
string result = sr.ReadToEnd();
result = result.Replace("\0", "");
if (string.IsNullOrEmpty(result))
{
return(true);
}
else
{
try
{
int cloudTime = Convert.ToInt32(result);
int localTime = Convert.ToInt32(AppTools.GetLocalSetting(AppSettings.SyncTime, "0"));
if (cloudTime != localTime)
{
return(false);
}
return(true);
}
catch (Exception)
{
return(true);
}
}
}
}
catch (Exception)
{
await _appFolder.StorageFolderPlatformService.CreateFileAsync("LastAsyncTime", CreationCollisionOption.OpenIfExists);
return(true);
}
}
public static string ReadAllText(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException();
}
try
{
IAsyncOperation <IRandomAccessStream> source = FileHelper.GetFileForPathOrURI(path).OpenAsync(FileAccessMode.Read);
WindowsRuntimeSystemExtensions.AsTask <IRandomAccessStream>(source).Wait();
using (FileRandomAccessStream randomAccessStream = (FileRandomAccessStream)source.GetResults())
return(new StreamReader(WindowsRuntimeStreamExtensions.AsStreamForRead((IInputStream)randomAccessStream)).ReadToEnd());
}
catch (Exception ex)
{
throw File.GetRethrowException(ex);
}
}
public static IBuffer RandomAccessStream2Buffer(IRandomAccessStream randomStream)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(randomStream.GetInputStreamAt(0));
MemoryStream memoryStream = new MemoryStream();
if (stream != null)
{
byte[] bytes = Stream2Bytes(stream);
if (bytes != null)
{
var binaryWriter = new BinaryWriter(memoryStream);
binaryWriter.Write(bytes);
}
}
IBuffer buffer = WindowsRuntimeBufferExtensions.GetWindowsRuntimeBuffer(memoryStream, 0, (int)memoryStream.Length);
return(buffer);
}
public static async Task <Int32> ReadMusicData()
{
Int32 num;
try
{
StorageFile fileAsync = await ApplicationData.Current.LocalFolder.GetFileAsync(readwrite.filename);
IInputStream inputStream = await fileAsync.OpenSequentialReadAsync();
try
{
DataContractSerializer dataContractSerializer = new DataContractSerializer(typeof(MusicData));
App.musicdata = dataContractSerializer.ReadObject(WindowsRuntimeStreamExtensions.AsStreamForRead(inputStream)) as MusicData;
}
finally
{
if (inputStream != null)
{
inputStream.Dispose();
}
}
}
catch (FileNotFoundException fileNotFoundException)
{
App.musicdata = new MusicData();
num = 1;
return(num);
}
catch (Exception exception1)
{
Exception exception = exception1;
App.ShowError(String.Concat("Error while reading music data: ", exception.Message.ToString()));
App.musicdata = new MusicData();
num = 1;
return(num);
}
Boolean flag = await App.musicdata.CheckForNewMusic();
num = (!flag ? 0 : 2);
return(num);
}
private async void takePhoto()
{
try
{
ImageEncodingProperties imageProp = ImageEncodingProperties.CreateJpeg();
IRandomAccessStream uwpStream = new InMemoryRandomAccessStream();
await camera.CapturePhotoToStreamAsync(imageProp, uwpStream);
Emotion[] emotionResult = await UploadAndDetectEmotions(
WindowsRuntimeStreamExtensions.AsStreamForRead(
uwpStream.GetInputStreamAt(0)));
ledDriver(emotionResult[0]);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
public async static Task <string> GetBase64(StorageFile imagefile)
{
string strbaser64 = "";
try
{
IRandomAccessStream iras = await imagefile.OpenReadAsync();
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(iras.GetInputStreamAt(0));
MemoryStream ms = new MemoryStream();
await stream.CopyToAsync(ms);
byte[] arr = ms.ToArray();
ms.Dispose();
strbaser64 = Convert.ToBase64String(arr);
}
catch { }
return(strbaser64);
}
/// <summary>
/// 强制执行云端数据同步，并将同步时间写入记录
/// </summary>
/// <returns></returns>
public async Task SyncCloud()
{
if (_appFolder == null)
{
throw new UnauthorizedAccessException("You need to complete OneDrive authorization before you can upload the image");
}
await ReplaceDatabase();
var historyFile = await _appFolder.GetFileAsync("LastAsyncTime");
using (var stream = (await historyFile.StorageFilePlatformService.OpenAsync()) as IRandomAccessStream)
{
Stream st = WindowsRuntimeStreamExtensions.AsStreamForRead(stream);
st.Position = 0;
StreamReader sr = new StreamReader(st, Encoding.UTF8);
string result = sr.ReadToEnd();
result = string.IsNullOrEmpty(result) ? "0" : result;
AppTools.WriteLocalSetting(AppSettings.SyncTime, result);
}
}
private async Task <string> ProcessStreamWithMLEdgeAsync(InMemoryRandomAccessStream stream)
{
string sret = null;
try
{
HttpContent httpContent = new StreamContent(WindowsRuntimeStreamExtensions.AsStreamForRead(stream.GetInputStreamAt(0)));
httpContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
HttpRequestMessage RequestMessage = new HttpRequestMessage(HttpMethod.Post, new Uri("http://" + AIEndPointIP + ":" + AIEndPointPort + "/image"));
RequestMessage.Content = httpContent;
var httpClient = new HttpClient();
HttpResponseMessage response = await httpClient.SendAsync(RequestMessage);
if (response.IsSuccessStatusCode)
{
sret = await response.Content.ReadAsStringAsync();
//WriteLog(sret);
//WriteLog("Connected!");
return(sret);
}
else
{
WriteLog(string.Format("The request failed with status code: {0}", response.StatusCode));
WriteLog(response.Headers.ToString());
string responseContent = await response.Content.ReadAsStringAsync();
WriteLog(responseContent);
WriteLog("Disconnect!");
}
}
catch (Exception ex)
{
//WriteLog(ex.Message);
//WriteLog( "Disconnect!");
}
return(sret);
}
/// <summary>
/// 获取OneDrive中存储的Rss列表数据
/// </summary>
/// <returns></returns>
public async Task <List <Category> > GetCategoryList()
{
if (_appFolder == null)
{
throw new UnauthorizedAccessException("You need to complete OneDrive authorization before you can get this file");
}
try
{
var file = await _appFolder.GetFileAsync("RssList.json");
using (var stream = (await file.StorageFilePlatformService.OpenAsync()) as IRandomAccessStream)
{
Stream st = WindowsRuntimeStreamExtensions.AsStreamForRead(stream);
st.Position = 0;
StreamReader sr = new StreamReader(st, Encoding.UTF8);
string result = sr.ReadToEnd();
result = result.Replace("\0", "");
if (string.IsNullOrEmpty(result))
{
result = "[]";
}
var list = JsonConvert.DeserializeObject <List <Category> >(result);
return(list);
}
}
catch (Exception ex)
{
if (ex.Message.ToLower().Contains("itemnotfound"))
{
await _appFolder.StorageFolderPlatformService.CreateFileAsync("RssList.json", CreationCollisionOption.ReplaceExisting);
return(new List <Category>());
}
throw;
}
}
static async void OnDocumentUriChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var excel = (Excel)d;
Uri uri = (Uri)e.NewValue;
if (uri == null)
{
return;
}
var file = await StorageFile.GetFileFromApplicationUriAsync(uri);
using (Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(await file.OpenReadAsync()))
{
if (file.FileType == ".ssxml" || file.FileType == ".xml")
{
await excel.OpenXml(stream);
}
else if (file.FileType == ".xlsx" || file.FileType == ".xls")
{
await excel.OpenExcel(stream);
}
}
}
public static Stream RandomAccessStream2Stream(IRandomAccessStream randomStream)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(randomStream.GetInputStreamAt(0));
return(stream);
}
private async void uploadAsync(string providerName, string token, string cloudFolder, string chunkName, string chunkId, IBuffer data)
{
try
{
HttpClient client = new HttpClient();
String uri = "toBeFilled";
HttpRequestMessage message;
HttpResponseMessage response;
switch (providerName)
{
case "dropbox":
uri = "https://content.dropboxapi.com/1/files_put/auto/trustydrive/" + chunkName;
message = new HttpRequestMessage(HttpMethod.Put, new Uri(uri));
message.Headers.Append("Authorization", "Bearer " + token);
message.Content = new HttpBufferContent(data);
break;
case "onedrive":
uri = "https://api.onedrive.com/v1.0/drive/items/" + cloudFolder + ":/" + chunkName + ":/content?select=id";
message = new HttpRequestMessage(HttpMethod.Put, new Uri(uri));
message.Headers.Append("Authorization", "Bearer " + token);
message.Content = new HttpBufferContent(data);
message.Content.Headers.Append("Content-Type", "application/octet-stream");
break;
case "gdrive":
if (chunkId == "none")
{
uri = "https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart";
message = new HttpRequestMessage(HttpMethod.Post, new Uri(uri));
}
else
{
uri = "https://www.googleapis.com/upload/drive/v3/files/" + chunkId + "?uploadType=media";
message = new HttpRequestMessage(HttpMethod.Patch, new Uri(uri));
}
message.Headers.Append("Authorization", "Bearer " + token);
message.Content = new HttpBufferContent(data);
message.Content.Headers.Append("Content-Type", "multipart/related; boundary=trustydrive_separator");
break;
default:
// Never used, just for the compilation
message = new HttpRequestMessage();
break;
}
response = await client.SendRequestAsync(message);
response.EnsureSuccessStatusCode();
DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(Chunk));
Chunk ch = (Chunk)jsonSerializer.ReadObject(WindowsRuntimeStreamExtensions.AsStreamForRead(await response.Content.ReadAsInputStreamAsync()));
if (providerName == "dropbox")
{
_result.Add(chunkName);
}
else
{
_result.Add(ch.name + ":$$:" + ch.id);
}
}
catch
{
_result.Add(chunkName + ":$$:error");
}
}
/// <summary>
/// IRandomAccessStream转byte[]
/// </summary>
/// <param name="randomAccessStream"></param>
/// <returns></returns>
public static byte[] ConvertIRandomAccessStreamTobyte(IRandomAccessStream randomAccessStream)
{
Stream stream = WindowsRuntimeStreamExtensions.AsStreamForRead(randomAccessStream.GetInputStreamAt(0));
return(ConvertStreamTobyte(stream));
}