public async Task SaveFileDataAsync(Guid fileDataId, StorageFile file)
{
string fileName = fileDataId.ToString();
await EnsureInitializedAsync().ConfigureAwait(false);
if (await _localUserDataFolder.TryGetItemAsync(fileName) != null)
{
throw new IOException($"The file '{fileName}' already exists.");
}
using (IRandomAccessStreamWithContentType fileStream = await file.OpenReadAsync())
using (var reader = new DataReader(fileStream.GetInputStreamAt(0)))
{
await reader.LoadAsync((uint)fileStream.Size);
byte[] byteArray = new byte[fileStream.Size];
reader.ReadBytes(byteArray);
string encryptedFileContent = _encryptionProvider.EncryptString(Convert.ToBase64String(byteArray), reuseGlobalIV: true);
await CoreHelper.RetryAsync(async() =>
{
// Create and save the data in the new file.
var dataFileCreated = await _localUserDataFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
await FileIO.WriteTextAsync(dataFileCreated, encryptedFileContent);
}).ConfigureAwait(false);
}
_logger.LogEvent(SaveFileEvent, string.Empty);
}
private async void bt_Copy5_Click_1(object sender, RoutedEventArgs e)
{
BitmapImage bi = new BitmapImage();
//bi.UriSource = new Uri(tbgif.Text, UriKind.RelativeOrAbsolute);
//imageGif.Source = bi;
//bi.ImageOpened += (ee, ss) =>
// {
// var s1 = ee as BitmapImage;
// var h = s1.PixelHeight;
// };
//imageGif.ImageOpened += (ss, ee) =>
// {
// var s1 = ss as Image;
// PlayToSource PlayToSource = s1.PlayToSource;
// PlayToConnection Connection = PlayToSource.Connection;
// var yy = Connection.State.ToString();
// };
//tbgif.Text = "http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/c9/geili_org.gif";
//tbgif.Text = "http://ww2.sinaimg.cn/bmiddle/666d8d19jw1dvg3m7e0q0j.jpg";
RandomAccessStreamReference rass = RandomAccessStreamReference.CreateFromUri(new Uri(tbgif.Text, UriKind.RelativeOrAbsolute));
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead();
var randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
//bi.SetSource(randomAccessStream);
//imageGif.Source = bi;
//imageBrush.ImageSource = bi;
Gif(randomAccessStream);
}
/// <summary>
/// 输入Uri开始播放Gif图片
/// </summary>
/// <param name="Uri"></param>
private async void Start(string uri)
{
var reg = @"http(s)?://([\w-]+\.)+[\w-]+(/[\w-./?%&=]*)?";
Regex regex = new Regex(reg, RegexOptions.IgnoreCase);
RandomAccessStreamReference rass = null;
if (regex.IsMatch(this.Source))
{
rass = RandomAccessStreamReference.CreateFromUri(new Uri(uri, UriKind.RelativeOrAbsolute));
}
else
{
rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.baseUri, uri));
}
try
{
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead();
var randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
try
{
await CreateGifBitFrame(randomAccessStream);
PlayGif();
}
catch
{
JpegAndPng(randomAccessStream);
}
}
catch
{
BitmapImage bi = new BitmapImage();
if (regex.IsMatch(this.Source))
{
bi.UriSource = new Uri(uri, UriKind.RelativeOrAbsolute);
}
else
{
bi.UriSource = new Uri(this.baseUri, uri);
}
//imageGif.Source = bi;
}
}
/// <summary>
/// 把WebUri下完，存放到本地。返回本地的Uri的Uri
/// </summary>
/// <param name="WebUri"></param>
/// <returns></returns>
private async Task <Uri> GetLocalUri(string WebUri)
{
var fileName = string.Empty;
StorageFolder shareLocalFolder = null;
StorageFolder tempLocalFolder = ApplicationData.Current.LocalFolder;
bool isShareLocalFolder = false;
try
{
shareLocalFolder = await tempLocalFolder.CreateFolderAsync(myFolder, CreationCollisionOption.FailIfExists);
}
catch
{
isShareLocalFolder = true;
}
if (isShareLocalFolder)
{
shareLocalFolder = await tempLocalFolder.GetFolderAsync(myFolder);
}
if (shareLocalFolder != null)
{
var rass = RandomAccessStreamReference.CreateFromUri(new Uri(WebUri, UriKind.RelativeOrAbsolute));
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
using (Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead())
{
MemoryStream ms = new MemoryStream();
await tempStream.CopyToAsync(ms);
byte[] bytes = ms.ToArray();
string specialCharacters = @"[\/:*?\""-<>|]";
WebUri = Regex.Replace(WebUri, specialCharacters, "");
fileName = WebUri + ".jpg";
ImageFile = await shareLocalFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(ImageFile, bytes);
}
string filePath = ImageFile.Path;
return(new Uri("ms-appdata:///local/" + myFolder + "/" + fileName));
}
else
{
return(new Uri("ms-appdata:///local/"));
}
}
//显示Gif图片开始
private async void bt_Copy6_Click_1(object sender, RoutedEventArgs e)
{
//tbgif.Text = "http://img.t.sinajs.cn/t35/style/images/common/face/ext/normal/c9/geili_org.gif";
RandomAccessStreamReference rass = RandomAccessStreamReference.CreateFromUri(new Uri(tbgif.Text, UriKind.RelativeOrAbsolute));
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead();
var randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
await CreateGifBitFrame(randomAccessStream);
PlayGif();
//dispatcherTimer.Stop();
//dispatcherTimer.Start();
}
/// <summary>
/// 输入Uri开始播放Gif图片
/// </summary>
/// <param name="Uri"></param>
private async void Start(string uri)
{
var reg = @"http(s)?://([\w-]+\.)+[\w-]+(/[\w-./?%&=]*)?";
Regex regex = new Regex(reg, RegexOptions.IgnoreCase);
RandomAccessStreamReference rass = null;
if (regex.IsMatch(this.Source))
{
rass = RandomAccessStreamReference.CreateFromUri(new Uri(uri, UriKind.RelativeOrAbsolute));
}
else
{
try
{
//本地的Uri
//rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.BaseUri, uri));
rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.baseUri, uri));
//var packageLocation = Windows.ApplicationModel.Package.Current.InstalledLocation;
//var ss = await packageLocation.GetBasicPropertiesAsync();
//var imagesFolder = await packageLocation.GetFolderAsync("Images");
//StorageFile file = await imagesFolder.GetFileAsync("amy.jpg");
//rass = RandomAccessStreamReference.CreateFromFile(file);
}
catch (Exception)
{
Debug.WriteLine("不是一个有效的Uri");
}
}
try
{
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead();
//
MemoryStream ms = new MemoryStream();
await tempStream.CopyToAsync(ms);
byte[] bytes = ms.ToArray();
tempStream = new MemoryStream(bytes);
//
var randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
/*
* try
* {
* await CreateGifBitFrame(randomAccessStream);
* PlayGif();
* }
* catch
* {
* //var stop = this.Stop;
* //this.Stop = true;
* //bitFrame.Clear();
* //randomAccessStream.Seek(0);
* //randomAccessStream.FlushAsync().GetResults();
* //bmp.SetSource(randomAccessStream);
* //imageGif.Source = bmp;
* //this.Stop = stop;
*
* JpegAndPng(randomAccessStream);
* }
*/
//判断并设置图片类型
ImageType type = ImageTypeCheck.CheckImageType(bytes);
switch (type)
{
case ImageType.GIF:
{
await CreateGifBitFrame(randomAccessStream);
PlayGif();
break;
}
case ImageType.JPG:
{
JpegAndPng(randomAccessStream);
break;
}
case ImageType.PNG:
{
JpegAndPng(randomAccessStream);
break;
}
default:
{
JpegAndPng(randomAccessStream);
break;
}
}
}
catch
{
BitmapImage bi = new BitmapImage();
if (regex.IsMatch(this.Source))
{
bi.UriSource = new Uri(uri, UriKind.RelativeOrAbsolute);
}
else
{
bi.UriSource = new Uri(this.baseUri, uri);
}
this.imageGifGrid.Children.Clear();
//优化
this.imageList.Clear();
this.bitmapImageList.Clear();
Image imageGif = new Image();
imageGif.Source = bi;
this.imageGifGrid.Children.Add(imageGif);
}
}
/// <summary>
/// 输入Uri开始播放Gif图片
/// </summary>
/// <param name="Uri"></param>
private async void Start(string uri)
{
InMemoryRandomAccessStream randomAccessStream = null;
if (this.ImageDownLoadProgress != null)
{
this.ImageDownLoadProgress(0);
}
if (this.IsAnimation)
{
this.imageGifGrid.Opacity = 0;
CreateAnimationBegin();
}
else
{
this.imageGifGrid.Opacity = 1.0;
}
//优化网络流量和用户体验
if (GifCacheDictionaryHelper.Instance.SelectUriToBytes(this.Source) == null)
{
var reg = @"http(s)?://([\w-]+\.)+[\w-]+(/[\w-./?%&=]*)?";
Regex regex = new Regex(reg, RegexOptions.IgnoreCase);
RandomAccessStreamReference rass = null;
if (regex.IsMatch(this.Source))
{
rass = RandomAccessStreamReference.CreateFromUri(new Uri(uri, UriKind.RelativeOrAbsolute));
}
else
{
try
{
//本地的Uri
//rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.BaseUri, uri));
rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.baseUri, uri));
//var packageLocation = Windows.ApplicationModel.Package.Current.InstalledLocation;
//var ss = await packageLocation.GetBasicPropertiesAsync();
//var imagesFolder = await packageLocation.GetFolderAsync("Images");
//StorageFile file = await imagesFolder.GetFileAsync("amy.jpg");
//rass = RandomAccessStreamReference.CreateFromFile(file);
}
catch (Exception)
{
Debug.WriteLine("不是一个有效的Uri");
}
}
if (this.ImageDownLoadProgress != null)
{
for (int i = 0; i <= 7; i++)
{
this.ImageDownLoadProgress(i * 10);
await Task.Delay(TimeSpan.FromMilliseconds(100));
}
}
try
{
IRandomAccessStreamWithContentType streamRandom = null;
try
{
streamRandom = await rass.OpenReadAsync();
}
catch
{
if (ImageFailed != null)
{
ImageFailed(this, null);
}
return;
}
Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead();
//为了能判断文件头做了一个流拷贝，保存了一份字节数组
MemoryStream ms = new MemoryStream();
await tempStream.CopyToAsync(ms);
//byte[] bytes = ms.ToArray();
bytes = ms.ToArray();
tempStream = new MemoryStream(bytes);
//
randomAccessStream = new InMemoryRandomAccessStream();
var outputStream = randomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
/*
* try
* {
* await CreateGifBitFrame(randomAccessStream);
* PlayGif();
* }
* catch
* {
* //var stop = this.Stop;
* //this.Stop = true;
* //bitFrame.Clear();
* //randomAccessStream.Seek(0);
* //randomAccessStream.FlushAsync().GetResults();
* //bmp.SetSource(randomAccessStream);
* //imageGif.Source = bmp;
* //this.Stop = stop;
*
* JpegAndPng(randomAccessStream);
* }
*/
//判断并设置图片类型
ImageType type = ImageTypeCheck.CheckImageType(bytes);
if (this.ImageDownLoadProgress != null)
{
this.ImageDownLoadProgress(80);
await Task.Delay(TimeSpan.FromMilliseconds(100));
}
switch (type)
{
case ImageType.GIF:
{
using (await asyncLock.LockAsync())
{
//*优化网络流量和用户体验
GifCacheDictionaryHelper.Instance.AddUriToBytes(this.Source, bytes);
//*
viewBox.Stretch = this.Stretch;
await CreateGifBitFrame(randomAccessStream);
PlayGif();
}
break;
}
case ImageType.JPG:
{
viewBox.Stretch = Windows.UI.Xaml.Media.Stretch.None;
JpegAndPng(randomAccessStream);
break;
}
case ImageType.PNG:
{
viewBox.Stretch = Windows.UI.Xaml.Media.Stretch.None;
JpegAndPng(randomAccessStream);
break;
}
default:
{
viewBox.Stretch = Windows.UI.Xaml.Media.Stretch.None;
JpegAndPng(randomAccessStream);
break;
}
}
}
catch
{
//GIF错误数据的流程
GifCacheDictionaryHelper.Instance.DelectUriToBytes(this.Source);
var ss = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
BitmapImage bi = new BitmapImage();
bi.DownloadProgress -= bi_DownloadProgress;
bi.DownloadProgress += bi_DownloadProgress;
bi.ImageOpened -= bi_ImageOpened;
bi.ImageOpened += bi_ImageOpened;
bi.ImageFailed -= bi_ImageFailed;
bi.ImageFailed += bi_ImageFailed;
//if (regex.IsMatch(this.Source))
//{
// bi.UriSource = new Uri(uri, UriKind.RelativeOrAbsolute);
//}
//else
//{
// bi.UriSource = new Uri(this.baseUri, uri);
//}
randomAccessStream.Seek(0);
randomAccessStream.FlushAsync();
//await bi.SetSourceAsync(randomAccessStream);
bi.SetSource(randomAccessStream);
this.imageGifGrid.Children.Clear();
//优化
this.imageList.Clear();
this.bitmapImageList.Clear();
this.bitFrame.Clear();
viewBox.Stretch = Windows.UI.Xaml.Media.Stretch.None;
Image imageGif = new Image();
imageGif.Source = null;
imageGif.Stretch = this.Stretch;
imageGif.HorizontalAlignment = Windows.UI.Xaml.HorizontalAlignment.Stretch;
imageGif.VerticalAlignment = Windows.UI.Xaml.VerticalAlignment.Stretch;
if (!double.IsNaN(this.width) && this.width != 0.0)
{
imageGif.Width = this.width;
}
if (!double.IsNaN(this.height) && this.height != 0.0)
{
imageGif.Height = this.height;
}
imageGif.Source = bi;
this.imageGifGrid.Children.Add(imageGif);
});
//ss.Completed = delegate(IAsyncAction asyncAction, AsyncStatus asyncStatus)
//{
// ss.Close();
//};
this.Stop = catchStop;
}
}
else
{
using (await asyncLock.LockAsync())
{
if (this.ImageDownLoadProgress != null)
{
this.ImageDownLoadProgress(80);
}
bytes = GifCacheDictionaryHelper.Instance.SelectUriToBytes(this.Source).Bytes;
Stream tempStream = new MemoryStream(bytes);
var inMemoryRandomAccessStream = new InMemoryRandomAccessStream();
var outputStream = inMemoryRandomAccessStream.GetOutputStreamAt(0);
await RandomAccessStream.CopyAsync(tempStream.AsInputStream(), outputStream);
await CreateGifBitFrame(inMemoryRandomAccessStream);
PlayGif();
}
}
}
/// <summary>
/// 保存图片到任意的文件夹
/// </summary>
/// <returns>保存成功返回true,失败返回false</returns>
public async Task <bool> SaveFileImage()
{
if (!IsOnlineImage)
{
if (imageCacheSerivce != null && chip != null)
{
try
{
StorageFile storageFile = imageCacheSerivce.PickFile(chip).Result as StorageFile;
FileSavePicker savePicker = new FileSavePicker();
savePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
savePicker.FileTypeChoices.Add("图片类型", new List <string>()
{
".jpg"
});
savePicker.SuggestedFileName = storageFile.Name;
StorageFile file = await savePicker.PickSaveFileAsync();
if (file != null)
{
CachedFileManager.DeferUpdates(file);
await storageFile.CopyAndReplaceAsync(file);//, file.Name, NameCollisionOption.GenerateUniqueName);
FileUpdateStatus status = await CachedFileManager.CompleteUpdatesAsync(file);
if (status == FileUpdateStatus.Complete)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
else
{
return(false);
}
}
else
{
try
{
StorageFile storageFile = null;
var rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.Source, UriKind.RelativeOrAbsolute));
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
using (Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead())
{
MemoryStream ms = new MemoryStream();
await tempStream.CopyToAsync(ms);
byte[] bytes = ms.ToArray();
storageFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(ApiHelper.ComputeMD5(this.Source), CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(storageFile, bytes);
}
FileSavePicker savePicker = new FileSavePicker();
savePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
savePicker.FileTypeChoices.Add("图片类型", new List <string>()
{
".jpg"
});
savePicker.SuggestedFileName = storageFile.Name;
StorageFile file = await savePicker.PickSaveFileAsync();
if (file != null)
{
CachedFileManager.DeferUpdates(file);
await storageFile.CopyAndReplaceAsync(file);//, file.Name, NameCollisionOption.GenerateUniqueName);
FileUpdateStatus status = await CachedFileManager.CompleteUpdatesAsync(file);
if (status == FileUpdateStatus.Complete)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
}
/// <summary>
/// 保存图片到系统的文件夹
/// </summary>
/// <returns>保存成功返回true,失败返回false</returns>
public async Task <bool> SaveImage(string fileName = "")
{
if (!IsOnlineImage)
{
if (imageCacheSerivce != null && chip != null)
{
try
{
StorageFolder storageFolder = KnownFolders.PicturesLibrary;
StorageFile storageFile = imageCacheSerivce.PickFile(chip).Result as StorageFile;
if (string.IsNullOrEmpty(fileName))
{
await storageFile.CopyAsync(storageFolder, storageFile.Name + ".jpg", NameCollisionOption.GenerateUniqueName);
}
else
{
await storageFile.CopyAsync(storageFolder, fileName + ".jpg", NameCollisionOption.GenerateUniqueName);
}
return(true);
}
catch
{
return(false);
}
}
else
{
return(false);
}
}
else
{
try
{
StorageFolder storageFolder = KnownFolders.PicturesLibrary;
StorageFile storageFile = null;
var rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.Source, UriKind.RelativeOrAbsolute));
IRandomAccessStreamWithContentType streamRandom = await rass.OpenReadAsync();
using (Stream tempStream = streamRandom.GetInputStreamAt(0).AsStreamForRead())
{
MemoryStream ms = new MemoryStream();
await tempStream.CopyToAsync(ms);
byte[] bytes = ms.ToArray();
storageFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(ApiHelper.ComputeMD5(this.Source), CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(storageFile, bytes);
}
if (string.IsNullOrEmpty(fileName))
{
await storageFile.CopyAsync(storageFolder, storageFile.Name + ".jpg", NameCollisionOption.GenerateUniqueName);
}
else
{
await storageFile.CopyAsync(storageFolder, fileName + ".jpg", NameCollisionOption.GenerateUniqueName);
}
return(true);
}
catch
{
return(false);
}
}
}
