public override PaintResult BeginPaint(PaintContext context, Point beginPoint)
{
if (context == null)
{
return(null);
}
if (_layers == null)
{
_layers = new List <LayerBase>();
}
else
{
_layers.Clear();
}
_paintContext = context;
StartDrag(beginPoint);
_layers.AddRange(context.OperationLayers);
PaintResult result = new PaintResult();
result.PaintLayerType = PaintLayerType.Original;
result.Layers = _layers;
context.OperationLayers.Clear();
_layers.ForEach(m => context.OperationLayers.Add(m));
NotifyLayerGroup(context, result);
return(result);
}
/// <summary>
/// 通知图层列表响应
/// </summary>
/// <param name="context"></param>
/// <param name="result"></param>
private void NotifyLayerGroup(PaintContext context, PaintResult result)
{
if (result.PaintLayerType == PaintLayerType.New)
{
foreach (var layer in result.Layers)
{
layer.Name = "未命名" + context.HistoryLayerCnt++.ToString();
context.LayerGroup.Insert(0, layer);
var geometrys = layer.GetGeometries();
if (geometrys != null)
{
geometrys.ForEach(m => context.Canvas.AddChild(m));
}
}
}
}
private void Container_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (Service.PaintContext.ToolType == ToolType.None)
{
return;
}
CvsRoot.ClipToBounds = false;
_leftButtonPressed = true;
PaintResult result = PaintManager.Default.BeginPaint(Service.PaintContext, e.GetPosition(CvsRoot));
if (result.PaintLayerType == PaintLayerType.New)
{
LayerGroup.SelectedIndex = 0;
}
Keyboard.ClearFocus();
Keyboard.Focus(CvsRoot);
}
public override PaintResult BeginPaint(PaintContext context, Point beginPoint)
{
if (context == null)
{
return(null);
}
if (_layers == null)
{
_layers = new List <LayerBase>();
}
else
{
_layers.Clear();
}
_paintContext = context;
_geometry = null;
PaintResult result = new PaintResult();
SimpleLayer layer = new SimpleLayer();
result.PaintLayerType = PaintLayerType.New;
_geometry = new Circle(new CircleStyle()
{
FirstPoint = beginPoint,
SecondPoint = beginPoint,
LineBrush = (context.PaintTool as CircleTool).LineBrush,
FillBrush = (context.PaintTool as CircleTool).FillBrush,
LineWidth = (context.PaintTool as CircleTool).LineWidth
}, new CircleAction());
layer.AddGeometry(_geometry);
_layers.Add(layer);
result.Layers = _layers;
context.OperationLayers.Clear();
_layers.ForEach(m => context.OperationLayers.Add(m));
NotifyLayerGroup(context, result);
return(result);
}
public override PaintResult BeginPaint(PaintContext context, Point beginPoint)
{
if (context == null)
{
return(null);
}
if (_layers == null)
{
_layers = new List <LayerBase>();
}
else
{
_layers.Clear();
}
_paintContext = context;
PaintResult result = new PaintResult();
result.PaintLayerType = PaintLayerType.New;
SimpleLayer layer = new SimpleLayer();
_geometry = new Text(new TextStyle()
{
FirstPoint = beginPoint,
SecondPoint = beginPoint,
Font = (context.PaintTool as TextTool).Font,
Foreground = (context.PaintTool as TextTool).Foreground,
}, new TextAction());
layer.AddGeometry(_geometry);
_layers.Add(layer);
result.Layers = _layers;
context.OperationLayers.Clear();
_layers.ForEach(m => context.OperationLayers.Add(m));
NotifyLayerGroup(context, result);
return(result);
}
