//https://stackoverflow.com/questions/37179815/displaying-a-background-image-on-a-uwp-ink-canvas
private async void OpenMapCommandAction()
{
//Open the Map open dialog
try
{
MapFile mapFile = await _fileService.GetFile();
MapSource = mapFile;
//if(await _dialogService.ShowGeoDataQuestionDialog())
//{
// MapGeoData mapGeoData= await _dialogService.ShowGeoDataEntryDialog();
// mapFile.LatitudeTop = mapGeoData.LatitudeTop;
// mapFile.LatitudeBottom = mapGeoData.LatitudeBottom;
// mapFile.LongitudeLeft = mapGeoData.LongitudeLeft;
// mapFile.LongitudeRight = mapGeoData.LongitudeRight;
// mapFile.IsGeoReferenced = true;
//}
mapFile.IsGeoReferenced = false;
BaumCollection.Clear();
CurrentBaum.BaumNr = 1;
RaisePropertyChanged("CurrentBaum");
SelectedBaum = null;
}
catch (NullReferenceException)
{
}
}
private void DeleteTree()
{
Baum baumToDelete = BaumCollection.Where(x => x.IsMarked == true).FirstOrDefault();
if (baumToDelete != null)
{
BaumCollection.Remove(baumToDelete);
}
else
{
}
}
private async void RenderImage(NotificationMessageAction <SoftwareBitmap> notificationMessageAction)
{
if (BaumCollection != null && BaumCollection.Count > 0)
{
if (BaumCollection.Where(x => x.IsMarked == true).Count() > 0)
{
SelectTree(BaumCollection.Where(x => x.IsMarked == true).First());
}
//_selectedBaum = _BaumCollection.Where(x => x.IsMarked = true).First();
//RaisePropertyChanged(() => SelectedBaum);
}
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(mapGrid);
if (renderTargetBitmap.PixelHeight != 0 && renderTargetBitmap.PixelWidth != 0)
{
SoftwareBitmap softwareBitmap = new SoftwareBitmap(BitmapPixelFormat.Bgra8, renderTargetBitmap.PixelWidth, renderTargetBitmap.PixelHeight);
softwareBitmap.DpiX = 600;
softwareBitmap.DpiY = 600;
softwareBitmap.CopyFromBuffer(await renderTargetBitmap.GetPixelsAsync());
notificationMessageAction.Execute(softwareBitmap);
}
//BitmapDecoder imagedecoder;
//using (var imagestream = await Map.OpenAsync(FileAccessMode.Read))
//{
// imagedecoder = await BitmapDecoder.CreateAsync(imagestream);
// CanvasDevice device = CanvasDevice.GetSharedDevice();
// CanvasRenderTarget renderTarget = new CanvasRenderTarget(device, imagedecoder.PixelWidth, imagedecoder.PixelHeight, 96);
// using (var ds = renderTarget.CreateDrawingSession())
// {
// ds.Clear(Colors.White);
// CanvasBitmap image = await CanvasBitmap.LoadAsync(device, imagestream);
// ds.DrawImage(image);
// //ds.DrawText(lblName.Text, new System.Numerics.Vector2(150, 150), Colors.Black);
// }
// await renderTarget.SaveAsync(imagestream, CanvasBitmapFileFormat.Jpeg);
// BitmapImage bitmap = new BitmapImage();
// bitmap.SetSource(imagestream);
// MapR = bitmap;
//}
}
private void MoveTree(PointerPoint imagePoint, PointerPoint canvasPoint)
{
if (BaumCollection != null)
{
Baum selectedTree = (Baum)BaumCollection.Where(x => x.IsMarked == true).FirstOrDefault();
if (selectedTree != null)
{
selectedTree.CanvasPosition = canvasPoint.Position;
selectedTree.ImagePosition = imagePoint.Position;
BaumCollection.Remove(selectedTree);
BaumCollection.Add(selectedTree);
}
}
}
private void SetTree(PointerPoint imagePoint, PointerPoint canvasPoint)
{
Baum neuerBaum = new Baum();
neuerBaum.CanvasPosition = canvasPoint.Position;
neuerBaum.ImagePosition = imagePoint.Position;
neuerBaum.BaumNr = CurrentBaum.BaumNr;
BaumCollection.Add(neuerBaum);
SelectTree(neuerBaum);
double i = mapImage.DesiredSize.Height;
Messenger.Default.Send <SetBaumMessage>(new SetBaumMessage());
}
