|
public static Inflate ( |
||
| rect | ||
| size | ||
| return | ||
public void Update()
{
Drawing.Width = width * Scale;
Drawing.Height = height * Scale;
Drawing.OpenLayers();
var nodes = Nodes.Where(n => n != null).ToArray();
var segments = Segments.Where(n => n != null).ToArray();
foreach (TrafficNode node in nodes)
{
node.Update();
}
foreach (TrafficSegment segment in segments.OrderBy(m => (m?.Description as TrafficSegmentDescription)?.Type))
{
segment.Update();
}
var layer = Drawing.GetLayer(DrawingLayer.Outlines);
var rect = new System.Windows.Rect(0, 0, Drawing.Width, Drawing.Height);
rect.Inflate(-10.0, -10.0);
layer.DrawRectangle(null, new Pen(Brushes.HotPink, 1), rect);
Drawing.CloseLayers();
//Drawing.InvalidateVisual();
}
/// <summary>
/// Sets the item's position according to its tikzitem's value
/// </summary>
public override bool AdjustPosition(double Resolution)
{
Rect r = new Rect(0, 0, 0, 0);
bool hasone = false;
foreach (OverlayShape o in children)
{
o.AdjustPosition(Resolution);
Rect rr = o.View.GetBB();
if (hasone)
r.Union(rr);
else
{
r = rr;
hasone = true;
}
}
if (hasone)
{
r.Inflate(20, 20);
//r = new Rect(10, 10, 100, 100);
View.SetSize( r.Width, r.Height);
View.SetPosition(r.X, r.Y);
return true;
}
else return false;
}
public static void ScrollIntoViewCentered(this SurfaceListBox listBox, object item)
{
Debug.Assert(!VirtualizingStackPanel.GetIsVirtualizing(listBox),
"VirtualizingStackPanel.IsVirtualizing must be disabled for ScrollIntoViewCentered to work.");
Debug.Assert(!ScrollViewer.GetCanContentScroll(listBox),
"ScrollViewer.GetCanContentScroll must be disabled for ScrollIntoViewCentered to work.");
// Get the container for the specified item
var container = listBox.ItemContainerGenerator.ContainerFromItem(item) as FrameworkElement;
if (null != container)
{
// Get the bounds of the item container
var rect = new Rect(new Point(), container.RenderSize);
// Find constraining parent (either the nearest ScrollContentPresenter or the ListBox itself)
FrameworkElement constrainingParent = container;
do
{
constrainingParent = VisualTreeHelper.GetParent(constrainingParent) as FrameworkElement;
} while ((null != constrainingParent) &&
(listBox != constrainingParent) &&
!(constrainingParent is ScrollContentPresenter));
if (null != constrainingParent)
{
// Inflate rect to fill the constraining parent
rect.Inflate(
Math.Max((constrainingParent.ActualWidth - rect.Width)/2, 0),
Math.Max((constrainingParent.ActualHeight - rect.Height)/2, 0));
}
// Bring the (inflated) bounds into view
container.BringIntoView(rect);
}
}
public void Draw(LayerPropertiesModel props, LayerPropertiesModel applied, DrawingContext c)
{
if (applied?.Brush == null)
return;
const int scale = 4;
// Set up variables for this frame
var rect = props.Contain
? new Rect(applied.X*scale, applied.Y*scale, applied.Width*scale, applied.Height*scale)
: new Rect(props.X*scale, props.Y*scale, props.Width*scale, props.Height*scale);
var clip = new Rect(applied.X*scale, applied.Y*scale, applied.Width*scale, applied.Height*scale);
// Take an offset of 4 to allow layers to slightly leave their bounds
var progress = (6.0 - props.AnimationProgress)*10.0;
if (progress < 0)
{
// Can't meddle with the original brush because it's frozen.
var brush = applied.Brush.Clone();
brush.Opacity = 1 + 0.025*progress;
if (brush.Opacity < 0)
brush.Opacity = 0;
if (brush.Opacity > 1)
brush.Opacity = 1;
applied.Brush = brush;
}
rect.Inflate(-rect.Width/100.0*progress, -rect.Height/100.0*progress);
clip.Inflate(-clip.Width/100.0*progress, -clip.Height/100.0*progress);
c.PushClip(new RectangleGeometry(clip));
c.DrawRectangle(applied.Brush, null, rect);
c.Pop();
}
/// <summary>Creates a new <see cref=""/> instance.</summary>
public DiagramPaginator(DiagramCanvas source, Size printSize) {
PageSize = printSize;
_contentSize = new Size(printSize.Width - 2 * Margin, printSize.Height - 2 * Margin);
_frameRect = new Rect(new Point(Margin, Margin), _contentSize);
_frameRect.Inflate(1, 1);
_framePen = new Pen(Brushes.Black, 0.1);
var scale = 0.25; // hardcoded zoom for printing
var bounds = new Rect(0, 0, source.ActualWidth, source.ActualHeight);
_pageCountX = (int)((bounds.Width * scale) / _contentSize.Width) + 1;
_pageCountY = (int)((bounds.Height * scale) / _contentSize.Height) + 1;
// Transformation to borderless print size
var matrix = new Matrix();
matrix.Translate(-bounds.Left, -bounds.Top);
matrix.Scale(scale, scale);
matrix.Translate((_pageCountX * _contentSize.Width - bounds.Width * scale) / 2, (_pageCountY * _contentSize.Height - bounds.Height * scale) / 2);
// Create a new visual
var printImage = new RenderTargetBitmap((int)bounds.Width, (int)bounds.Height, 96, 96, PixelFormats.Pbgra32);
printImage.Render(source);
var printVisual = new DrawingVisual();
var printContext = printVisual.RenderOpen();
printContext.PushTransform(new MatrixTransform(matrix));
printContext.DrawImage(printImage, bounds);
printContext.Close();
_printDiagram = printVisual.Drawing;
}
protected override void OnRender( DrawingContext dc )
{
Rect rect;
if ( myLocation == DropLocation.InPlace )
{
rect = new Rect( new Size( myOwner.ActualWidth, myOwner.ActualHeight ) );
rect.Inflate( -1, -1 );
}
else
{
rect = new Rect( new Size( myOwner.ActualWidth, myOwner.ActualHeight * 0.2 ) );
if ( myLocation == DropLocation.Before )
{
rect.Offset( 0, -myOwner.ActualHeight * 0.1 );
}
else if ( myLocation == DropLocation.After )
{
rect.Offset( 0, myOwner.ActualHeight * 0.9 );
}
rect.Inflate( -1, 0 );
}
var brush = new SolidColorBrush( Colors.LightSkyBlue );
brush.Opacity = 0.5;
var pen = new Pen( new SolidColorBrush( Colors.White ), 1 );
dc.DrawRectangle( brush, pen, rect );
}
internal static Rect GetRectWithMargin(ConnectorInfo connectorThumb, double margin)
{
Rect rect = new Rect(connectorThumb.DesignerItemLeft,
connectorThumb.DesignerItemTop,
connectorThumb.DesignerItemSize.Width,
connectorThumb.DesignerItemSize.Height);
rect.Inflate(margin, margin);
return rect;
}
public Rect MapCubeToRenderPointRect(IntGrid3 grid)
{
var p1 = MapLocationToScreenTile(grid.Corner1);
var p2 = MapLocationToScreenTile(grid.Corner2);
var r = new Rect(p1, p2);
r.Inflate(0.5, 0.5);
p1 = ScreenToRenderPoint(r.TopLeft);
p2 = ScreenToRenderPoint(r.BottomRight);
return new Rect(p1, p2);
}
protected override void OnRender(DrawingContext drawingContext)
{
Rect adornedElementRect = new Rect(this.AdornedElement.DesiredSize);
Rect newRect = new Rect(adornedElementRect.Right - App.StrokeThinkness * 2, adornedElementRect.Bottom - App.StrokeThinkness * 2,
adornedElementRect.Right, adornedElementRect.Bottom);
newRect.Inflate(1, 1);
// Some arbitrary drawing implements.
SolidColorBrush renderBrush = new SolidColorBrush(Colors.Red);
renderBrush.Opacity = 0.2;
Pen renderPen = new Pen(new SolidColorBrush(Colors.Navy), 1.5);
//drawingContext.DrawRectangle(renderBrush, renderPen, newRect);
}
public ColorCell(Color clr)
{
visColor = new DrawingVisual();
DrawingContext dc = visColor.RenderOpen();
Rect rect = new Rect(new Point(0,0), sizeCell);
rect.Inflate(-4, -4);
Pen pen = new Pen(SystemColors.ControlTextBrush, 1);
brush = new SolidColorBrush(clr);
dc.DrawRectangle(brush, pen, rect);
dc.Close();
AddVisualChild(visColor);
AddLogicalChild(visColor);
}
public static Rect Inflate(Rect rect, double width, double height)
{
if (width < rect.Width * -2)
{
return(Rect.Empty);
}
if (height < rect.Height * -2)
{
return(Rect.Empty);
}
Rect result = rect;
result.Inflate(width, height);
return(result);
}
// Constructor requires Color argument.
public ColorCell(Color clr)
{
// Create a new DrawingVisual and store as field.
visColor = new DrawingVisual();
DrawingContext dc = visColor.RenderOpen();
// Draw a rectangle with the color argument.
Rect rect = new Rect(new Point(0, 0), sizeCell);
rect.Inflate(-4, -4);
Pen pen = new Pen(SystemColors.ControlTextBrush, 1);
brush = new SolidColorBrush(clr);
dc.DrawRectangle(brush, pen, rect);
dc.Close();
// AddVisualChild is necessary for event routing!
AddVisualChild(visColor);
AddLogicalChild(visColor);
}
private static void UIElement_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
var element = sender as UIElement;
if (element == null)
{
return;
}
var lastClickLocation = element.GetValue(LastClickLocationProperty) as Point?;
var lastClickTime = element.GetValue(LastClickTimeProperty) as int?;
if (lastClickLocation.HasValue && lastClickTime.HasValue)
{
if (e.Timestamp - lastClickTime.Value > SystemInformation.DoubleClickTime)
{
element.SetValue(LastClickLocationProperty, e.GetPosition(element));
element.SetValue(LastClickTimeProperty, e.Timestamp);
return;
}
var size = SystemInformation.DoubleClickSize;
var rect = new Rect(lastClickLocation.Value, lastClickLocation.Value);
rect.Inflate(size.Width / 2, size.Height / 2);
if (rect.Contains(e.GetPosition(element)))
{
var contentControl = element as ContentControl;
if (contentControl != null)
{
Debug.WriteLine($"Clipboard set to: \"{contentControl.Content.ToString()}\"");
System.Windows.Clipboard.SetText(contentControl.Content.ToString());
}
var textBlock = element as TextBlock;
if (textBlock != null)
{
Debug.WriteLine($"Clipboard set to: \"{textBlock.Text}\"");
System.Windows.Clipboard.SetText(textBlock.Text);
}
ClearDoubleClickProperties(element);
return;
}
}
element.SetValue(LastClickLocationProperty, e.GetPosition(element));
element.SetValue(LastClickTimeProperty, e.Timestamp);
}
internal GraphPaginator( DrawingVisual source, Size printSize )
{
PageSize = printSize;
contentSize = new Size( printSize.Width - 2 * Margin, printSize.Height - 2 * Margin );
myFrameRect = new Rect( new Point( Margin, Margin ), contentSize );
myFrameRect.Inflate( 1, 1 );
myFramePen = new Pen( Brushes.Black, 0.1 );
// Transformation to borderless print size
var bounds = source.DescendantBounds;
bounds.Union( source.ContentBounds );
var m = new Matrix();
m.Translate( -bounds.Left, -bounds.Top );
double scale = 16; // hardcoded zoom for printing
myPageCountX = ( int )( ( bounds.Width * scale ) / contentSize.Width ) + 1;
myPageCountY = ( int )( ( bounds.Height * scale ) / contentSize.Height ) + 1;
m.Scale( scale, scale );
// Center on available pages
m.Translate( ( myPageCountX * contentSize.Width - bounds.Width * scale ) / 2, ( myPageCountY * contentSize.Height - bounds.Height * scale ) / 2 );
var target = new DrawingVisual();
using( var dc = target.RenderOpen() )
{
dc.PushTransform( new MatrixTransform( m ) );
dc.DrawDrawing( source.Drawing );
foreach( DrawingVisual child in source.Children )
{
dc.DrawDrawing( child.Drawing );
}
}
myGraph = target.Drawing;
}
protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
{
base.OnRenderSizeChanged(sizeInfo);
Size s = sizeInfo.NewSize;
Rect inner = new Rect(0, 0, s.Width, s.Height);
double radius = s.Width - this.BorderThickness.Left;
double sinX = radius / Math.Sqrt(2);
double margin = (int)(s.Width - sinX);
inner.Inflate(-margin, -margin);
Path p = (Path)Template.FindName("CrossShape", this);
p.Data = new PathGeometry(new PathFigure[]
{
new PathFigure(new Point(inner.Left, inner.Top),
new PathSegment[] {
new LineSegment(new Point(inner.Right, inner.Bottom), true),
new LineSegment(new Point(inner.Left, inner.Bottom), false),
new LineSegment(new Point(inner.Right, inner.Top), true),
}, false)
});
}
/// <summary>
/// Gets the <see cref="DockTabItem"/> at the mouse position by testing against the
/// <see cref="DockTabItem"/> tabs in the specified pane.
/// </summary>
/// <param name="dockTabPane">The <see cref="DockTabPane"/>.</param>
/// <param name="verticalTolerance">
/// The tolerance (margin at top and bottom) in pixels.
/// </param>
/// <returns>The <see cref="DockTabItem"/> under the mouse cursor.</returns>
private static DockTabItem GetDockTabItemAtMouse(DockTabPane dockTabPane, double verticalTolerance = 0)
{
Debug.Assert(dockTabPane != null);
if (dockTabPane.Items.Count == 0)
return null; // Empty DockTabPane.
var itemsPanel = dockTabPane.GetItemsPanel();
if (itemsPanel == null)
return null; // ItemsPanel missing.
Point mousePosition = WindowsHelper.GetMousePosition(itemsPanel);
Rect bounds = new Rect(itemsPanel.RenderSize);
bounds.Inflate(0, verticalTolerance);
if (!bounds.Contains(mousePosition))
return null; // Mouse position outside ItemsPanel.
// Test mouse position against DockTabItems bounds.
double height = itemsPanel.RenderSize.Height;
double x = 0;
for (int i = 0; i < dockTabPane.Items.Count; i++)
{
var dockTabItem = dockTabPane.ItemContainerGenerator.ContainerFromIndex(i) as DockTabItem;
if (dockTabItem == null)
break;
bounds = new Rect(new Point(x, 0), new Size(dockTabItem.RenderSize.Width, height));
bounds.Inflate(0, verticalTolerance);
if (bounds.Contains(mousePosition))
return dockTabItem;
x += bounds.Width;
}
return null;
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
if (this.Frame != null)
{
double windowWidth = (this.ActualWidth / this.Frame.ColumnCount);
double windowHeight = (this.ActualHeight / this.Frame.RowCount);
double spaceX = 0.1 * windowWidth;
double spaceY = 0.1 * windowHeight;
// draw the background
drawingContext.DrawRectangle(new SolidColorBrush(new System.Windows.Media.Color() { R = 179, G = 123, B = 123, A = 255 }), null, new Rect(0, 0, this.ActualWidth, this.ActualHeight));
for (int row = 0; row < this.Frame.RowCount; row++)
{
for (int col = 0; col < this.Frame.ColumnCount; col++)
{
double x = col * (windowWidth);
double y = row * (windowHeight);
System.Windows.Media.Color color = new System.Windows.Media.Color();
color.R = this.Frame.Get(row, col).Red;
color.G = this.Frame.Get(row, col).Green;
color.B = this.Frame.Get(row, col).Blue;
color.A = 255;
Rect window = new Rect(x, y, windowWidth, windowHeight);
//window.Scale(0.9, 0.9);
//window.Offset(spaceX, spaceY);
window.Inflate(-spaceX, -spaceY);
drawingContext.DrawRectangle(new SolidColorBrush(color), null, window);
}
}
}
}
protected override void OnRender(DrawingContext dc)
{
Rect rect = new Rect(new Point(0, 0), RenderSize);
rect.Inflate(-1, -1);
Pen pen = new Pen(SystemColors.HighlightBrush, 1);
if (IsHighlighted)
dc.DrawRectangle(SystemColors.ControlDarkBrush, pen, rect);
else if (IsSelected)
dc.DrawRectangle(SystemColors.ControlLightBrush, pen, rect);
else
dc.DrawRectangle(Brushes.Transparent, null, rect);
}
/// <summary>
/// Returns the handle rect (both visibile and the tolerance one)
/// </summary>
private void GetHandleRect(InkCanvasSelectionHitResult hitResult, Rect rectWireFrame, out Rect visibleRect, out Rect toleranceRect)
{
Point center = new Point();
double size = 0;
double tolerance = ResizeHandleTolerance;
switch ( hitResult )
{
case InkCanvasSelectionHitResult.TopLeft:
{
size = CornerResizeHandleSize;
center = new Point(rectWireFrame.Left, rectWireFrame.Top);
break;
}
case InkCanvasSelectionHitResult.Top:
{
size = MiddleResizeHandleSize;
center = new Point(rectWireFrame.Left + rectWireFrame.Width / 2, rectWireFrame.Top);
tolerance = (CornerResizeHandleSize - MiddleResizeHandleSize) + ResizeHandleTolerance;
break;
}
case InkCanvasSelectionHitResult.TopRight:
{
size = CornerResizeHandleSize;
center = new Point(rectWireFrame.Right, rectWireFrame.Top);
break;
}
case InkCanvasSelectionHitResult.Left:
{
size = MiddleResizeHandleSize;
center = new Point(rectWireFrame.Left, rectWireFrame.Top + rectWireFrame.Height / 2);
tolerance = (CornerResizeHandleSize - MiddleResizeHandleSize) + ResizeHandleTolerance;
break;
}
case InkCanvasSelectionHitResult.Right:
{
size = MiddleResizeHandleSize;
center = new Point(rectWireFrame.Right, rectWireFrame.Top + rectWireFrame.Height / 2);
tolerance = (CornerResizeHandleSize - MiddleResizeHandleSize) + ResizeHandleTolerance;
break;
}
case InkCanvasSelectionHitResult.BottomLeft:
{
size = CornerResizeHandleSize;
center = new Point(rectWireFrame.Left, rectWireFrame.Bottom);
break;
}
case InkCanvasSelectionHitResult.Bottom:
{
size = MiddleResizeHandleSize;
center = new Point(rectWireFrame.Left + rectWireFrame.Width / 2, rectWireFrame.Bottom);
tolerance = (CornerResizeHandleSize - MiddleResizeHandleSize) + ResizeHandleTolerance;
break;
}
case InkCanvasSelectionHitResult.BottomRight:
{
size = CornerResizeHandleSize;
center = new Point(rectWireFrame.Right, rectWireFrame.Bottom);
break;
}
}
visibleRect = new Rect(center.X - size / 2, center.Y - size / 2, size, size);
toleranceRect = visibleRect;
toleranceRect.Inflate(tolerance, tolerance);
}
private static Rect GetRectWithMargin(ConnectorInfo connectorThumb, double margin)
{
Rect rect = new Rect(connectorThumb.DesignerItemLeft,
connectorThumb.DesignerItemTop,
0,
0);
rect.Inflate(margin, margin);
return rect;
}
private void DrawBorders(DrawingContext dc, ref Rect bounds)
{
if ((bounds.Width >= 2.0) && (bounds.Height >= 2.0))
{
Brush brush = Fill;
Pen pen = OuterBorder;
if (pen != null)
{
dc.DrawRoundedRectangle(
brush,
pen,
new Rect(bounds.X, bounds.Y, bounds.Width, bounds.Height),
2.0, 2.0);
brush = null; // Done with the fill
bounds.Inflate(-1.0, -1.0);
}
if ((bounds.Width >= 2.0) && (bounds.Height >= 2.0))
{
pen = InnerBorder;
if ((pen != null) || (brush != null))
{
dc.DrawRoundedRectangle(
brush,
pen,
new Rect(bounds.X, bounds.Y, bounds.Width, bounds.Height),
1.5, 1.5);
bounds.Inflate(-1.0, -1.0);
}
}
}
}
FormattedText FormatText(String Input, Rect DrawingRect, double StartingFontSize = -1)
{
DrawingRect.Inflate(0, 0);
double emSize = DrawingRect.Height;
if (StartingFontSize > 0)
emSize = StartingFontSize;
String FontFamily = "Arial Narrow"; //"Gill Sans MT Condensed"; //"Arial Narrow";
String FontStyle = "Bold";
Typeface DefaultTypeface = new Typeface(new FontFamily(FontFamily), FontStyles.Normal,
FontWeights.Normal, FontStretches.UltraCondensed, new FontFamily(FontFamily));
if (FontStyle == "Bold")
DefaultTypeface = new Typeface(new FontFamily(FontFamily), FontStyles.Normal,
FontWeights.Bold, FontStretches.UltraCondensed, new FontFamily(FontFamily));
Brush TextBrush = (Brush)new BrushConverter().ConvertFromString("black");
FormattedText FinalTextBlock = null;
do
{
FinalTextBlock = new FormattedText(Input, CultureInfo.CurrentCulture,
FlowDirection.LeftToRight, DefaultTypeface, emSize, TextBrush);
FinalTextBlock.TextAlignment = TextAlignment.Center;
FinalTextBlock.MaxTextWidth = DrawingRect.Width;
emSize /= 1.05;
} while ((FinalTextBlock.Height > DrawingRect.Height)
|| (FinalTextBlock.Width > DrawingRect.Width));
return FinalTextBlock;
}
/// <summary>
/// Inflate - return the result of inflating rect by the size provided, in all directions
/// If this is Empty, this method is illegal.
/// </summary>
public static Rect Inflate(Rect rect, Size size)
{
rect.Inflate(size._width, size._height);
return(rect);
}
public static Rect Inflate(Rect rect, Size size)
{
return(Rect.Inflate(rect, size.Width, size.Height));
}
/// <summary>
/// Draw the connector lines at a lower level (OnRender) instead
/// of creating visual tree objects.
/// </summary>
protected override void OnRender(DrawingContext drawingContext)
{
#if DEBUG
if (displayBorder)
{
// Draws borders around the rows and groups.
foreach (DiagramRow row in rows)
{
// Display row border.
Rect bounds = new Rect(row.Location, row.DesiredSize);
drawingContext.DrawRectangle(null, new Pen(Brushes.DarkKhaki, 1), bounds);
foreach (DiagramGroup group in row.Groups)
{
// Display group border.
bounds = new Rect(group.Location, group.DesiredSize);
bounds.Offset(row.Location.X, row.Location.Y);
bounds.Inflate(-1, -1);
drawingContext.DrawRectangle(null, new Pen(Brushes.Gray, 1), bounds);
}
}
}
#endif
// Draw child connectors first, so marriage information appears on top.
foreach (DiagramConnector connector in logic.Connections)
{
if (connector.IsChildConnector)
connector.Draw(drawingContext);
}
// Draw all other non-child connectors.
foreach (DiagramConnector connector in logic.Connections)
{
if (!connector.IsChildConnector)
connector.Draw(drawingContext);
}
}
public static BitmapSource DrawFaces(BitmapSource baseImage, Face[] faces, EmotionScores[] emotionScores,
string[] celebName, List <string> _id)
{
if (faces == null)
{
return(baseImage);
}
Action <DrawingContext, double> drawAction = (drawingContext, annotationScale) =>
{
for (var i = 0; i < faces.Length; i++)
{
var face = faces[i];
if (face.FaceRectangle == null)
{
continue;
}
var faceRect = new System.Windows.Rect(
face.FaceRectangle.Left, face.FaceRectangle.Top,
face.FaceRectangle.Width, face.FaceRectangle.Height);
var text = "";
if (face.FaceAttributes != null)
{
if (_id[i] != "Unidentified")
{
_sLineBrush = new SolidColorBrush(new Color {
R = 0, G = 185, B = 0, A = 255
});
text = _id[i];
}
else
{
_sLineBrush = new SolidColorBrush(new Color {
R = 255, G = 185, B = 0, A = 255
});
text = _id[i] + " (";
text += Aggregation.SummarizeFaceAttributes(face.FaceAttributes) + ")";
}
}
if (emotionScores?[i] != null)
{
text += Aggregation.SummarizeEmotion(emotionScores[i]);
}
if (celebName?[i] != null)
{
text += celebName[i];
}
faceRect.Inflate(6 * annotationScale, 6 * annotationScale);
var lineThickness = 4 * annotationScale;
drawingContext.DrawRectangle(
Brushes.Transparent,
new Pen(_sLineBrush, lineThickness),
faceRect);
if (text != "")
{
#pragma warning disable CS0618 // Type or member is obsolete
var ft = new FormattedText(text,
CultureInfo.CurrentCulture, FlowDirection.LeftToRight, STypeface,
16 * annotationScale, Brushes.Black);
#pragma warning restore CS0618 // Type or member is obsolete
var pad = 3 * annotationScale;
var ypad = pad;
var xpad = pad + 4 * annotationScale;
var origin = new Point(
faceRect.Left + xpad - lineThickness / 2,
faceRect.Top - ft.Height - ypad + lineThickness / 2);
var rect = ft.BuildHighlightGeometry(origin).GetRenderBounds(null);
rect.Inflate(xpad, ypad);
drawingContext.DrawRectangle(_sLineBrush, null, rect);
drawingContext.DrawText(ft, origin);
}
}
};
return(DrawOverlay(baseImage, drawAction));
}
/// <summary>
/// Applies the selection box on the view to know the selected items.
/// </summary>
private void ApplySelectionBox()
{
// Clear selection.
this.ParentView.SelectedItems.Clear();
// Hidding the canvas hosting the selection box.
this.SelectionBoxCanvas.Visibility = Visibility.Collapsed;
this.SelectionBox.Visibility = Visibility.Collapsed;
double lX = Canvas.GetLeft(this.SelectionBox);
double lY = Canvas.GetTop(this.SelectionBox);
double lWidth = this.SelectionBox.Width;
double lHeight = this.SelectionBox.Height;
Rect lSelectionRect = new Rect(lX, lY, lWidth, lHeight);
// Inflate the drag selection-rectangle by 1/10 of its size to make sure the intended item is selected.
lSelectionRect.Inflate(lWidth / 10, lHeight / 10);
// Selecting the items contained in the selection rect.
foreach (IGraphItemViewModel lItem in this.ParentView.ItemsSource)
{
// Getting the corresponding container.
AGraphItemContainer lContainer = this.ParentView.GetContainerForViewModel(lItem);
if (lContainer != null)
{
if (lSelectionRect.Contains(lContainer.BoundingBox))
{
this.ParentView.SelectedItems.Add(lItem);
}
}
}
}
public Geometry BuildGeometryForRange(TextCoordinate end1, TextCoordinate end2)
{
if (end1 == end2)
{
// No selection. Empty geometry.
return Geometry.Empty;
}
Geometry resultGeometry;
if (end1.Line == end2.Line)
{
int left = Math.Min(end1.Index, end2.Index);
int right = Math.Max(end1.Index, end2.Index);
var rect = new Rect(left * this.charWidth, end1.Line * this.lineHeight, (right - left) * this.charWidth, this.lineHeight);
// Must inflate the rect just a bit -- otherwise, rounding issues cause incomplete union combinations (below -- even though this
// particular rect won't ever be combined, we want it to have the same size when single-line).
rect.Inflate(.5, .5);
resultGeometry = new RectangleGeometry(rect);
}
else
{
var top = (end1.Line < end2.Line) ? end1 : end2;
var bottom = (end1.Line < end2.Line) ? end2 : end1;
var topRect = new Rect(top.Index * charWidth, top.Line * this.lineHeight, this.maxHorizontal + this.canvas.ActualWidth + 2, this.lineHeight);
var midRect = new Rect(0, (top.Line + 1) * this.lineHeight, this.maxHorizontal + this.canvas.ActualWidth + 2, (bottom.Line - top.Line - 1) * this.lineHeight);
var bottomRect = new Rect(0, bottom.Line * this.lineHeight, bottom.Index * this.charWidth, this.lineHeight);
// Inflate to ensure overlap for correct union combination
topRect.Inflate(.5, .5);
midRect.Inflate(.5, .5);
bottomRect.Inflate(.5, .5);
var topGeometry = new RectangleGeometry(topRect);
var bottomGeometry = new RectangleGeometry(bottomRect);
if (top.Line == bottom.Line - 1)
{
// Just top and bottom -- no lines between
resultGeometry = new CombinedGeometry(GeometryCombineMode.Union, topGeometry, bottomGeometry);
}
else
{
// Two combinations for 3 geometries
var midGeometry = new RectangleGeometry(midRect);
var firstCombinedGeometry = new CombinedGeometry(GeometryCombineMode.Union, topGeometry, midGeometry);
resultGeometry = new CombinedGeometry(GeometryCombineMode.Union, firstCombinedGeometry, bottomGeometry);
}
}
resultGeometry.Transform = this.highlightTransform;
return resultGeometry;
}
private void CheckMouseOver(object?sender, EventArgs e)
{
if (this.mouseOverWindows.Count == 0)
{
return;
}
bool isOver = false;
IEnumerable <Window> windows = this.mouseOverWindows.Where(w => w.IsVisible && w.Opacity > 0);
Point?cursor = null;
// Window.IsMouseOver is false if the mouse is over the window border, check if that's the case.
foreach (Window window in windows)
{
if (window.IsMouseOver)
{
isOver = true;
break;
}
cursor ??= PresentationSource.FromVisual(window)?.CompositionTarget.TransformFromDevice
.Transform(WindowMovement.GetCursorPos());
if (cursor is not null)
{
System.Windows.Rect rc = window.GetRect();
rc.Inflate(10, 10);
if (rc.Contains(cursor.Value))
{
isOver = true;
if (this.mouseTimer is null)
{
// Keep an eye on the current position.
this.mouseTimer = new DispatcherTimer(DispatcherPriority.Input)
{
Interval = TimeSpan.FromMilliseconds(100),
};
this.mouseTimer.Tick += this.CheckMouseOver;
this.mouseTimer.Start();
}
break;
}
}
}
if (!isOver)
{
this.mouseTimer?.Stop();
this.mouseTimer = null;
}
if (this.mouseOver != isOver)
{
this.mouseOver = isOver;
if (isOver)
{
this.MouseEnter?.Invoke(sender, new EventArgs());
}
else
{
this.MouseLeave?.Invoke(sender, new EventArgs());
}
}
}
private Rect MakeRectVisible(Rect rectangle)
{
double desiredWidth = CanHorizontallyScroll ? Math.Min(rectangle.Width*1.6, _viewport.Width) : rectangle.Width;
double desiredHeight = CanVerticallyScroll ? Math.Min(rectangle.Height*1.6, _viewport.Height) : rectangle.Height;
rectangle.Inflate(Math.Max(desiredWidth - rectangle.Width, 0)*0.5, Math.Max(desiredHeight - rectangle.Height, 0)*0.5);
if (ExtentWidth - rectangle.Right <= EndScrollPadding + 1) {
rectangle.Width += EndScrollPadding;
}
var viewRect = new Rect(HorizontalOffset, VerticalOffset, ViewportWidth, ViewportHeight);
viewRect.X = CalculateNewScrollOffset(viewRect.Left,
viewRect.Right, rectangle.Left, rectangle.Right);
viewRect.Y = CalculateNewScrollOffset(viewRect.Top,
viewRect.Bottom, rectangle.Top, rectangle.Bottom);
SetHorizontalOffset(viewRect.X);
SetVerticalOffset(viewRect.Y);
rectangle.Intersect(viewRect);
rectangle.X -= viewRect.X;
rectangle.Y -= viewRect.Y;
return rectangle;
}
public void Inflate ()
{
Rect r = Rect.Inflate (new Rect (0, 0, 20, 20), 10, 15);
Assert.AreEqual (new Rect (-10, -15, 40, 50), r);
r = Rect.Inflate (new Rect (0, 0, 20, 20), new Size (10, 15));
Assert.AreEqual (new Rect (-10, -15, 40, 50), r);
r = new Rect (0, 0, 20, 20);
r.Inflate (10, 15);
Assert.AreEqual (new Rect (-10, -15, 40, 50), r);
r = new Rect (0, 0, 20, 20);
r.Inflate (new Size (10, 15));
Assert.AreEqual (new Rect (-10, -15, 40, 50), r);
}
/// <summary>
/// Inflate - return the result of inflating rect by the size provided, in all directions
/// If this is Empty, this method is illegal.
/// </summary>
public static Rect Inflate(Rect rect, double width, double height)
{
rect.Inflate(width, height);
return(rect);
}
public override void Arrange(AdornerPanel panel, UIElement adorner, Size adornedElementSize)
{
Point p = _element.TranslatePoint(new Point(), panel.AdornedElement);
var rect = new Rect(p, _element.RenderSize);
rect.Inflate(3, 1);
adorner.Arrange(rect);
}
private static bool RectangleIntersectsLine(Rect rect, Point startPoint, Point endPoint)
{
rect.Inflate(-1, -1);
return rect.IntersectsWith(new Rect(startPoint, endPoint));
}
public void UpdateGeometry()
{
Rect tabRect = new Rect(2.0, 3.0, this.ActualWidth - 4.0, this.ActualHeight - 2.0);
tabRect.Inflate(-.5, -.5);
Rect leftTabCurveRect = new Rect(tabRect.Left, tabRect.Top, kTabCurveWidth, tabRect.Height);
Rect rightTabCurveRect = new Rect(tabRect.Left + tabRect.Width - kTabCurveWidth, tabRect.Top, kTabCurveWidth, tabRect.Height);
PathFigure tabFigure = new PathFigure();
tabFigure.StartPoint = tabRect.BottomLeft;
// Left curve
tabFigure.Segments.Add(new BezierSegment(new Point(leftTabCurveRect.Left + (kTabCurveWidth / 2), leftTabCurveRect.Bottom),
new Point(leftTabCurveRect.Right - (kTabCurveWidth / 2), leftTabCurveRect.Top),
leftTabCurveRect.TopRight,
true));
// Top line
tabFigure.Segments.Add(new LineSegment(rightTabCurveRect.TopLeft, true));
// Right curve
tabFigure.Segments.Add(new BezierSegment(new Point(rightTabCurveRect.Left + (kTabCurveWidth / 2), rightTabCurveRect.Top),
new Point(rightTabCurveRect.Right - (kTabCurveWidth / 2), rightTabCurveRect.Bottom),
rightTabCurveRect.BottomRight,
true));
PathGeometry tabGeometry = new PathGeometry();
tabGeometry.Figures.Add(tabFigure);
tabPath = tabGeometry;
}
void Render()
{
if (!_loaded || UpdateCount > 0)
return;
if (Chart != null)
{
var prect = Chart.View.PlotRect;
var bnds = new Rect(0,0,prect.Width, prect.Height);
bnds.Inflate(1, 1);
var offset = Chart.TranslatePoint(new Point(), (UIElement)this.Parent);
offset.X = prect.X - offset.X;
offset.Y = prect.Y - offset.Y;
foreach (var label in Children)
{
if (!base.Children.Contains(label))
base.Children.Add(label);
var line = label.ConnectingLine;
if (!base.Children.Contains(line))
base.Children.Add(line);
if (!Chart.ChartType.ToString().StartsWith("Pie"))
{
label.UpdateAttachPoint(Chart, offset);
if (bnds.Contains(label.AttachPoint))
label.Visibility = Visibility.Visible;
else
label.Visibility = Visibility.Collapsed;
}
else
label.UpdateAttachPoint(Chart, new Point());
}
if (LabelArranger != null)
LabelArranger.Arrange(Children.ToArray(), OccupiedRects, new Rect(0, 0, prect.Width, prect.Height));
foreach (var label in Children)
{
var line = label.ConnectingLine;
var pt = label.AttachPoint;
line.X1 = pt.X; line.Y1 = pt.Y;
var pt1 = LabelHelper.GetConnectingPoint(label);
if (!double.IsNaN(pt1.X) && !double.IsNaN(pt1.Y))
{
line.X2 = pt1.X; line.Y2 = pt1.Y;
}
}
_state = new ChartState(Chart);
}
}
private void UpdateAnimatingBackToRiver(RiverItemState state)
{
ScatterViewItem svi = state.Svi;
if (state.IsAnimatingBackToRiverComplete)
{
// When the animation is complete, return the item to the river.
state.IsAnimatingBackToRiver = false;
state.IsAnimatingBackToRiverComplete = false;
state.IsRemovedFromRiver = false;
state.Svi.IsHitTestVisible = true;
state.RemovedSize = Size.Empty;
state.Svi = null;
_scatterView.Items.Remove(svi);
_stateToProxyMap[state].Visibility = Visibility.Visible;
UpdateScrollPosition(_stateToProxyMap[state], state);
return;
}
Rect screen = new Rect(0, 0, Application.Current.MainWindow.ActualWidth, Application.Current.MainWindow.ActualHeight);
double diagonal = (new Point(svi.ActualWidth, svi.ActualHeight) - new Point()).Length;
screen.Inflate(new Size(diagonal, diagonal));
double currentTime = (DateTime.Now - state.AnimateBackBeginTime).TotalSeconds;
// Determine the size to animate to.
bool isPortrait = state.RowSpan > state.ColumnSpan;
double itemWidth = state.ColumnSpan * GridCellSize.Width;
double itemHeight = state.RowSpan * GridCellSize.Height;
itemWidth += Plane.GetPlaneFrontPadding(svi).Left + Plane.GetPlaneFrontPadding(svi).Right;
itemHeight += Plane.GetPlaneFrontPadding(svi).Top + Plane.GetPlaneFrontPadding(svi).Bottom;
double targetWidth = isPortrait ? itemHeight : itemWidth;
double targetHeight = isPortrait ? itemWidth : itemHeight;
// Determine the orientation to animate to.
double begin = state.AnimateBackFromOrientation % 360;
double end = state.OriginalOrientation % 360;
double change = end - begin;
if (Math.Abs(change) > 180)
{
// Don't go the long way around.
if (end < begin)
{
end += 360;
}
else
{
begin += 360;
}
}
change = end - begin;
double orientationTime = Math.Abs(change / OrientSpeed);
// Determine the center to animate to.
Point center = GetItemCenter(state);
double scrollChange = state.ReturnHorizontalOffset - state.OriginalHorizontalOffset;
if (center.X > ActualWidth && scrollChange > 0)
{
// The position looped around, so just go off-screen left.
center.X = -diagonal;
}
else if (center.X < 0 && scrollChange < 0)
{
// The position looped around, so just go off-screen right.
center.X = ActualWidth + diagonal;
}
double centerTime = (state.AnimateBackFromCenter - center).Length / ReturnToRiverSpeed;
// The duration of the animation will be the duration of the orientation or center animations, whichever is longer.
double totalTime = centerTime >= MinimumTransitionDuration.TotalSeconds || centerTime > orientationTime ? centerTime : orientationTime;
totalTime = Math.Max(totalTime, MinimumTransitionDuration.TotalSeconds);
// Update the orientation animation.
if (currentTime < totalTime && Math.Abs(state.OriginalOrientation - svi.Orientation) > 1)
{
svi.Orientation = SineEaseOut(currentTime, begin, change, totalTime);
}
else
{
svi.Orientation = state.OriginalOrientation;
}
// Update the center animation.
if (currentTime < totalTime && (svi.Center - center).Length > 1)
{
svi.Center = new Point(
SineEaseOut(currentTime, state.AnimateBackFromCenter.X, center.X - state.AnimateBackFromCenter.X, totalTime),
SineEaseOut(currentTime, state.AnimateBackFromCenter.Y, center.Y - state.AnimateBackFromCenter.Y, totalTime));
}
else
{
svi.Center = center;
}
// Update the width animation.
if (currentTime < totalTime && Math.Abs(targetWidth - svi.ActualWidth) > 1)
{
svi.Width = SineEaseOut(currentTime, state.AnimateBackFromSize.Width, targetWidth - state.AnimateBackFromSize.Width, totalTime);
}
else
{
svi.Width = targetWidth;
}
// Update the height animation.
if (currentTime < totalTime && Math.Abs(targetHeight - svi.ActualHeight) > 1)
{
svi.Height = SineEaseOut(currentTime, state.AnimateBackFromSize.Height, targetHeight - state.AnimateBackFromSize.Height, totalTime);
}
else
{
svi.Height = targetHeight;
}
// If the item animated offscreen, just let it go.
bool isOutsideScreen = !screen.Contains(svi.Center);
if (isOutsideScreen)
{
svi.Orientation = state.OriginalOrientation;
svi.Center = center;
svi.Width = targetWidth;
svi.Height = targetHeight;
}
state.IsAnimatingBackToRiverComplete =
svi.Orientation == state.OriginalOrientation &&
svi.Center == center &&
svi.Width == targetWidth &&
svi.Height == targetHeight;
}
