public void DrawText(Color color, Point point, string text)
{
SKPaint paint = new SKPaint {
Color = FromColor(color), TextSize = 18, IsAntialias = true
};
CurrentCanvas.DrawText(text, FromPoint(point), paint);
}
public void DrawSquare(Color color, Point point, Size size)
{
SKPaint paint = new SKPaint {
Color = FromColor(color)
};
CurrentCanvas.DrawRect(new SKRect(point.X, point.Y, point.X + size.Width, point.Y + size.Height), paint);
}
public void ShowPrevCanvas()
{
if (CanvasHistory.Count < 1)
{
return;
}
if (CurrentCanvas != null)
{
CurrentCanvas.HideCanvas();
}
CurrentCanvas = CanvasHistory.Pop();
CurrentCanvas.ShowCanvas();
}
public void DrawTriangle(Color color, Point point, int rotationDegrees = 0)
{
SKPaint paint = new SKPaint {
Color = FromColor(color), Style = SKPaintStyle.Fill, IsAntialias = true
};
SKPath path = new SKPath();
// TODO - Make the triangle variable size
path.MoveTo(new SKPoint(point.X, point.Y));
path.LineTo(new SKPoint(point.X + 100, point.Y));
path.LineTo(new SKPoint(point.X + 50f, point.Y + 86.6f));
path.MoveTo(new SKPoint(point.X, point.Y));
path.Close();
CurrentCanvas.Save();
CurrentCanvas.RotateDegrees(rotationDegrees, point.X + 50, point.Y + 28.86f);
CurrentCanvas.DrawPath(path, paint);
CurrentCanvas.Restore();
}
/// <summary>
/// 展示当前图表
/// </summary>
public void Draw()
{
if (CurrentCanvas != null)
{
if (CurrentCanvas.Parent == null)
{
CurrentCanvas.Parent = this.chartCanvas;
}
CurrentCanvas.DataContext = this.DataContext;
this.LayoutRoot.Children.Clear();
this.chartCanvas.Children.Clear();
if (IsShowLegend)
{
this.CurrentCanvas.LegendPanel.Visibility = System.Windows.Visibility.Visible;
///初始化图例容器
/////根据图例位置，排例图表与图例的位置
switch (CurrentCanvas.LegendLabelPosition)
{
case EnumLegendLabelPosition.Bottom:
{
this.LayoutRoot.Children.Add(this.chartCanvas);
this.CurrentCanvas.LegendPanel.Orientation = Orientation.Horizontal;
this.CurrentCanvas.LegendPanel.VerticalAlignment = System.Windows.VerticalAlignment.Bottom;
this.CurrentCanvas.LegendPanel.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
this.LayoutRoot.Children.Add(this.CurrentCanvas.LegendPanel);
chartCanvas.Margin = new Thickness(MarginSize);
CurrentCanvas.Width = this.ActualWidth - MarginSize * 2;
CurrentCanvas.Height = this.ActualHeight - CurrentCanvas.LegendSize.Height - MarginSize;
break;
}
case EnumLegendLabelPosition.Right:
{
this.LayoutRoot.Children.Add(this.chartCanvas);
this.CurrentCanvas.LegendPanel.Orientation = Orientation.Vertical;
this.CurrentCanvas.LegendPanel.VerticalAlignment = System.Windows.VerticalAlignment.Top;
this.CurrentCanvas.LegendPanel.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
this.LayoutRoot.Children.Add(this.CurrentCanvas.LegendPanel);
chartCanvas.Margin = new Thickness(24, 24, 24, 30);
CurrentCanvas.Width = this.ActualWidth - CurrentCanvas.LegendSize.Width - MarginSize;
CurrentCanvas.Height = this.ActualHeight - MarginSize * 2;
break;
}
case EnumLegendLabelPosition.Top:
{
this.CurrentCanvas.LegendPanel.Orientation = Orientation.Horizontal;
this.CurrentCanvas.LegendPanel.VerticalAlignment = System.Windows.VerticalAlignment.Top;
this.CurrentCanvas.LegendPanel.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
this.LayoutRoot.Children.Add(this.CurrentCanvas.LegendPanel);
this.LayoutRoot.Children.Add(this.chartCanvas);
CurrentCanvas.Width = this.ActualWidth - MarginSize * 2;
CurrentCanvas.Height = this.ActualHeight - CurrentCanvas.LegendSize.Height - MarginSize;
chartCanvas.Margin = new Thickness(24, CurrentCanvas.LegendSize.Height, MarginSize, MarginSize);
break;
}
case EnumLegendLabelPosition.Left:
{
this.CurrentCanvas.LegendPanel.Orientation = Orientation.Vertical;
this.CurrentCanvas.LegendPanel.VerticalAlignment = System.Windows.VerticalAlignment.Top;
this.CurrentCanvas.LegendPanel.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
this.LayoutRoot.Children.Add(this.CurrentCanvas.LegendPanel);
this.LayoutRoot.Children.Add(this.chartCanvas);
CurrentCanvas.Width = this.ActualWidth - CurrentCanvas.LegendSize.Width - MarginSize;
CurrentCanvas.Height = this.ActualHeight - MarginSize - MarginSize;
chartCanvas.Margin = new Thickness(CurrentCanvas.LegendSize.Width, MarginSize, MarginSize, MarginSize);
break;
}
}
}
else
{
CurrentCanvas.Width = this.ActualWidth - MarginSize * 2;
CurrentCanvas.Height = this.ActualHeight - MarginSize;
this.CurrentCanvas.LegendPanel.Visibility = System.Windows.Visibility.Collapsed;
this.LayoutRoot.Children.Add(this.chartCanvas);
}
if (CurrentCanvas.Width > 0 && CurrentCanvas.Height > 0)
{
CurrentCanvas.Draw();
}
}
}
public void LoadToolBar()
{
AdornerLayer al = null;
if (CurrentCanvas != null)
{
al = AdornerLayer.GetAdornerLayer(CurrentCanvas);
}
SetCanvasSize();
//判断当前页面编辑状态 如果是 则显示工具栏 反之。。。
//DesignMode = MODE.EDIT;
if (!(Toolbox != null && PropertyViewWindow != null && ToolbarContent != null && Bd != null))
{
return;
}
if (DesignMode == MODE.EDIT)
{
Grid grid = this.Template.FindName("gridToolbox", this) as Grid;
grid.Visibility = System.Windows.Visibility.Visible;
PropertyViewWindow.Visibility = Visibility.Collapsed;
ToolbarContent.Visibility = Visibility.Visible;
Toolbar.Visibility = Visibility.Visible;
Toolbar.IsEnabled = true;
if (CurrentCanvas != null)
{
Toolbox.Visibility = Visibility.Visible;
CurrentCanvas.AllowDrop = true;
CurrentCanvas.IsEnabled = true;
CurrentCanvas.Focusable = true;
if (CurrentCanvas.ContextMenu != null)
{
CurrentCanvas.ContextMenu.Visibility = Visibility.Visible;
CurrentCanvas.ContextMenu.Focus();
}
CurrentCanvas.Focus();
}
if (al != null)
{
al.IsEnabled = true;
}
Bd.BorderThickness = new Thickness(1);
}
else
{
if (CurrentCanvas != null)
{
CurrentCanvas.SelectionService.SelectedDesignerContainer.Clear();
CurrentCanvas.AllowDrop = false;
CurrentCanvas.ContextMenu.Visibility = Visibility.Collapsed;
}
Toolbox.Visibility = Visibility.Collapsed;
Grid grid = this.Template.FindName("gridToolbox", this) as Grid;
grid.Visibility = System.Windows.Visibility.Collapsed;
PropertyViewWindow.Visibility = Visibility.Collapsed;
ToolbarContent.Visibility = Visibility.Collapsed;
Bd.BorderThickness = new Thickness(0);
if (CurrentCanvas != null)
{
CurrentCanvas.Visibility = System.Windows.Visibility.Visible;
foreach (var item in CurrentCanvas.Children.OfType <DesignerContainer>())
{
item.IsSelected = false;
}
}
if (al != null)
{
al.IsEnabled = false;
}
}
if (CurrentCanvas == null)
{
return;
}
CurrentCanvas.DesignMode = DesignMode;
foreach (var item in CurrentCanvas.Children.OfType <DesignerContainer>())
{
//em.Editable = editable;
//string str = ((DesignerItem)item.DesignerChild)._displayName;
//item.IsHitTestVisible = editable;
item.IsHitTestVisible = true;
if (item.Item == null)
{
continue;
}
item.Item.ToolTip = null;
}
}
public void DrawTurtle(Point point)
{
CurrentCanvas.DrawBitmap(TurtleImage, FromPoint(point));
}
public void Fill(Color color)
{
CurrentCanvas.Clear(FromColor(color));
}
