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);
}
}
}