public NodeControl CreateNode(ViewModel.Node viewModelNode, SuperGraphControl parentSurface)
{
NodeControl nodeControl = null;
/// TODO: We will need to consider being able to have the same viewModelNode present here twice.
if (!Nodes.ContainsKey(viewModelNode.Id))
{
nodeControl = new NodeControl();
Canvas.SetZIndex(nodeControl, 50);
nodeControl.ParentSurface = parentSurface;
nodeControl.DataContext = viewModelNode;
nodeControl.VideoRemoteControl.DataContext = viewModelNode.VideoInfo;
//nodeControl.NodeCornerControl.DataContext = viewModelNode;
NodeControlFactorySet set = new NodeControlFactorySet();
set.Node = viewModelNode;
set.Control = nodeControl;
Nodes.Add(viewModelNode.Id, set);
}
else
{
nodeControl = Nodes[viewModelNode.Id].Control;
}
return nodeControl;
}
public void SaveToImage(SuperGraphControl mapCanvas)
{
var saveDlg = new SaveFileDialog {Filter = "JPEG Files (*.jpg)|*.jpg", DefaultExt = ".jpg"};
var showDialog = saveDlg.ShowDialog();
if (showDialog != null && (bool)showDialog)
{
WriteableBitmap bitmap;
try
{
double left, right, top, bottom;
mapCanvas.GetMapBounds(out left, out right, out top, out bottom);
left -= 70;
right += 70;
top -= 170;
bottom += 170;
double mapHeight = bottom - top;
double mapWidth = right - left;
var transform = new TransformGroup();
ScaleTransform st;
TranslateTransform tt;
var moved = mapCanvas.MoveGraphTransform;
double xMove, yMove;
const ScreenCaptureType type = ScreenCaptureType.ZoomedFullScale;
Canvas canvas;
switch (type)
{
case ScreenCaptureType.FullScale:
xMove = moved.X + left;
yMove = moved.Y + top;
st = new ScaleTransform
{
ScaleX = 1 / mapCanvas.Zoom,
ScaleY = 1 / mapCanvas.Zoom,
CenterX = 0,
CenterY = 0
};
transform.Children.Add(st);
tt = new TranslateTransform
{
X = -xMove,
Y = -yMove,
};
transform.Children.Add(tt);
canvas = new Canvas
{
Background = new SolidColorBrush(Colors.White),
Width = (int) mapWidth,
Height = (int) mapHeight
};
bitmap = new WriteableBitmap(canvas, null);
break;
case ScreenCaptureType.ZoomedFullScale:
xMove = moved.X + left;
yMove = moved.Y + top;
tt = new TranslateTransform
{
X = -xMove * mapCanvas.Zoom,
Y = -yMove * mapCanvas.Zoom,
};
transform.Children.Add(tt);
canvas = new Canvas
{
Background = new SolidColorBrush(Colors.White),
Width = (int) (mapWidth*mapCanvas.Zoom),
Height = (int) (mapHeight*mapCanvas.Zoom)
};
bitmap = new WriteableBitmap(canvas, null);
break;
case ScreenCaptureType.CurrentScreenOnly:
canvas = new Canvas
{
Background = new SolidColorBrush(Colors.White),
Width = (int) mapCanvas.ActualWidth,
Height = (int) mapCanvas.ActualHeight
};
bitmap = new WriteableBitmap(canvas, null);
break;
default:
canvas = new Canvas
{
Background = new SolidColorBrush(Colors.White),
Width = (int) mapCanvas.ActualWidth,
Height = (int) mapCanvas.ActualHeight
};
bitmap = new WriteableBitmap(canvas, null);
break;
}
bitmap.Render(mapCanvas, transform);
bitmap.Invalidate();
using (var fs = saveDlg.OpenFile())
{
var stream = GetImageStream(bitmap);
//Get Bytes from memory stream and write into IO stream
var binaryData = new Byte[stream.Length];
var bytesRead = stream.Read(binaryData, 0, (int)stream.Length);
fs.Write(binaryData, 0, binaryData.Length);
}
}
catch (Exception e)
{
SuperMessageBoxService.ShowError("Export Failed", "We are unable to export your map.\r\nPlease zoom out and try again.");
}
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
public JavaScriptBridge(SuperGraphControl superGraphControl)
{
_superGraphControl = superGraphControl;
}
