protected async System.Threading.Tasks.Task TakeSnapshotAsync <T>(T list, string fieldName) where T : ObservableCollection <ImageCapture>
{
try
{
CameraCaptureUI ccui = new CameraCaptureUI();
var storagefile = await ccui.CaptureFileAsync(CameraCaptureUIMode.Photo);
if (storagefile != null)
{
var ms = await RenderDataStampOnSnap.RenderStaticTextToBitmap(storagefile);
var msrandom = new MemoryRandomAccessStream(ms);
Byte[] bytes = new Byte[ms.Length];
await ms.ReadAsync(bytes, 0, (int)ms.Length);
// StorageFile file = await KnownFolders.PicturesLibrary.CreateFileAsync("Image.png", Windows.Storage.CreationCollisionOption.GenerateUniqueName);
StorageFile file = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(DateTime.Now.Ticks.ToString() + storagefile.Name, CreationCollisionOption.ReplaceExisting);
using (var strm = await file.OpenStreamForWriteAsync())
{
await strm.WriteAsync(bytes, 0, bytes.Length);
strm.Flush();
}
var ic = new ImageCapture
{
ImagePath = file.Path,
ImageBinary = Convert.ToBase64String(bytes),
CaseServiceRecId = ((BaseModel)this.Model).VehicleInsRecID,
FileName = string.Format("{0}_{1}", fieldName, list.Count + 1)
};
list.Add(ic);
var imageTable = await SqliteHelper.Storage.LoadTableAsync <ImageCapture>();
var dbIC = imageTable.SingleOrDefault(x => x.CaseServiceRecId == ic.CaseServiceRecId && x.FileName == string.Format("{0}_{1}", fieldName, list.Count + 1));
if (dbIC == null)
{
await SqliteHelper.Storage.InsertSingleRecordAsync <ImageCapture>(ic);
}
else
{
dbIC.ImagePath = ic.ImagePath;
dbIC.ImageBinary = ic.ImageBinary;
await SqliteHelper.Storage.UpdateSingleRecordAsync <ImageCapture>(dbIC);
}
}
}
catch (Exception)
{
throw;
}
}
public ImageMarkupPageViewModel()
{
this.Snapshots = new ObservableCollection <ImageCapture>();
DoneCommand = DelegateCommand.FromAsyncHandler(async() =>
{
try
{
var caseNumber = ApplicationData.Current.LocalSettings.Values["CaseNumber"].ToString();
foreach (var item in this.Snapshots)
{
var image = await StorageFile.GetFileFromPathAsync(item.ImagePath);
var curMarkupImageFile = await ApplicationData.Current.RoamingFolder.TryGetItemAsync("markupimage_" + caseNumber + this.Snapshots.IndexOf(item)) as StorageFile;
if (image != null && curMarkupImageFile != null)
{
var ms = await RenderDataStampOnSnap.InterpolateImageMarkup(image, curMarkupImageFile);
var msrandom = new MemoryRandomAccessStream(ms);
Byte[] bytes = new Byte[ms.Length];
await ms.ReadAsync(bytes, 0, (int)ms.Length);
// StorageFile file = await KnownFolders.PicturesLibrary.CreateFileAsync("Image.png", Windows.Storage.CreationCollisionOption.GenerateUniqueName);
StorageFile file = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(DateTime.Now.Ticks.ToString() + curMarkupImageFile.Name, CreationCollisionOption.ReplaceExisting);
using (var strm = await file.OpenStreamForWriteAsync())
{
await strm.WriteAsync(bytes, 0, bytes.Length);
strm.Flush();
}
await UpdateImageAsync(new ImageCapture
{
CaseServiceRecId = Convert.ToInt64(ApplicationData.Current.LocalSettings.Values["VehicleInsRecId"]),
ImageBinary = Convert.ToBase64String(bytes),
ImagePath = file.Path,
FileName = item.FileName + "Marked"
});
}
}
}
catch (Exception)
{
throw;
}
});
}
async public virtual System.Threading.Tasks.Task TakePictureAsync(ImageCapture param, string fieldName)
{
try
{
CameraCaptureUI cam = new CameraCaptureUI();
var storagefile = await cam.CaptureFileAsync(CameraCaptureUIMode.Photo);
if (storagefile != null)
{
using (MemoryStream ms = await RenderDataStampOnSnap.RenderStaticTextToBitmap(storagefile))
{
using (var msrandom = new MemoryRandomAccessStream(ms))
{
Byte[] bytes = new Byte[ms.Length];
await ms.ReadAsync(bytes, 0, (int)ms.Length);
// StorageFile file = await KnownFolders.PicturesLibrary.CreateFileAsync("Image.png", Windows.Storage.CreationCollisionOption.GenerateUniqueName);
StorageFile file = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(DateTime.Now.Ticks.ToString() + storagefile.Name, CreationCollisionOption.ReplaceExisting);
using (var strm = await file.OpenStreamForWriteAsync())
{
await strm.WriteAsync(bytes, 0, bytes.Length);
strm.Flush();
}
param.ImagePath = file.Path;
param.ImageBinary = Convert.ToBase64String(bytes);
param.CaseServiceRecId = ((BaseModel)this.Model).VehicleInsRecID;
param.FileName = fieldName;
await UpdateImageAsync(param);
}
}
}
}
catch (Exception)
{
throw;
}
}
