我想将图像保存到我的Azure MobileService。MobileService表格存储图片
我一直在环顾四周,发现你可以使用blob和azure存储。但是,如果你可以将图像转换为可存储在普通天蓝色移动服务表中的字符串或流,而不是执行此操作,我会很喜欢。
我创造我的应用程序图像为:
Canvas found = null;
try
{
found = FindParentOfType<Canvas>(ViewInteractionCanvas.canvas);
}
catch (Exception)
{
//MessageBox.Show(e.Message.ToString(), "ERROR", MessageBoxButton.OK);
found = ViewInteractionCanvas.canvas;
}
WriteableBitmap writeableBitmap = new WriteableBitmap(found, null);
var imageBrush = new ImageBrush
{
ImageSource = writeableBitmap,
Stretch = Stretch.None
};
writeableBitmap = null;
GC.Collect();
try
{
FindChildCanvas(found, imageBrush);
}
catch (Exception e)
{
MessageBox.Show(e.Message.ToString(), AppResources.ErrorSaving, MessageBoxButton.OK);
return false;
}
var fileStream = new MemoryStream();
writeableBitmap = new WriteableBitmap(found, null);
writeableBitmap.SaveJpeg(fileStream, writeableBitmap.PixelWidth, writeableBitmap.PixelHeight, 100, 100);
fileStream.Seek(0, SeekOrigin.Begin);
string tempJPEG = "My.jpg";
using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (myIsolatedStorage.FileExists(tempJPEG))
{
myIsolatedStorage.DeleteFile(tempJPEG);
}
IsolatedStorageFileStream IsofileStream = myIsolatedStorage.CreateFile(tempJPEG);
/*
StreamResourceInfo sri = null;
Uri uri = new Uri(tempJPEG, UriKind.Relative);
sri = Application.GetResourceStream(uri);
BitmapImage bitmap = new BitmapImage();
bitmap.SetSource(sri.Stream);
WriteableBitmap wb = new WriteableBitmap(bitmap);
*/
// Encode WriteableBitmap object to a JPEG stream.
//Extensions.SaveJpeg(wb, IsofileStream, wb.PixelWidth, wb.PixelHeight, 0, 85);
writeableBitmap.SaveJpeg(IsofileStream, writeableBitmap.PixelWidth, writeableBitmap.PixelHeight, 100, 100);
IsofileStream.Close();
}
dialogResult = MessageBox.Show(AppResources.ShieldCreator_SaveShield, AppResources.ShieldCreator_SaveShieldTitle, MessageBoxButton.OKCancel);
if (dialogResult == MessageBoxResult.OK)
{
MediaLibrary library = new MediaLibrary();
library.SavePictureToCameraRoll("picture", fileStream);
}
if (dialogResult == MessageBoxResult.Cancel)
{
}
fileStream.Close();
我在想,我可以把文件流或类似的东西?但是没有成功。也许这完全不可能。但只是想调查的可能性,而不是开始学习一个新的概念。
希望有人能帮助。
谢谢,Blob存储就是这样。但我有点不确定如何做到这一点。除了http://www.windowsazure.com/en-us/documentation/articles/mobile-services-windows-store-dotnet-upload-data-blob-storage/以外,您是否还有其他有用的信息。 – JTIM