/// <summary>
/// Construct new SelectionRectVisual object for the given rectangle
/// </summary>
public SelectionRectVisual(Point firstPointP, Point secondPointP, double zoomP)
{
DrawingGroup drawing = new DrawingGroup();
DrawingContext context = drawing.Open();
context.DrawRectangle(Brushes.White, null, new Rect(-1, -1, 3, 3));
context.DrawRectangle(Brushes.Black, null, new Rect(0.25, -1, 0.5, 3));
context.Close();
drawing.Freeze();
// Create a drawing brush that tiles the unit square from the drawing created above.
// The size of the viewport and the rotation angle will be updated as we use the
// dashed pen.
DrawingBrush drawingBrush = new DrawingBrush(drawing);
drawingBrush.ViewportUnits = BrushMappingMode.Absolute;
drawingBrush.Viewport = new Rect(0, 0, _dashRepeatLength, _dashRepeatLength);
drawingBrush.ViewboxUnits = BrushMappingMode.Absolute;
drawingBrush.Viewbox = new Rect(0, 0, 1, 1);
drawingBrush.Stretch = Stretch.Uniform;
drawingBrush.TileMode = TileMode.Tile;
// Store the drawing brush and a copy that's rotated by 90 degrees.
_horizontalDashBrush = drawingBrush;
_verticalDashBrush = drawingBrush.Clone();
_verticalDashBrush.Transform = new RotateTransform(90);
this._firstPoint = firstPointP;
this._secondPoint = secondPointP;
this._zoom = zoomP;
_visualForRect = new DrawingVisual();
this.AddVisualChild(_visualForRect);
this.AddLogicalChild(_visualForRect);
}
protected override void OnUpdate(double[] values)
{
const double space = 3;
const double barwidth = 8;
int pts = values.Length / 2;
int width = 1000;//pts * (space + barwidth) - space;
int height = width / 4;
if (_bmp == null || width != _bmp.PixelWidth)
{
_bmp = new RenderTargetBitmap(width, height, 120, 96, PixelFormats.Pbgra32);
}
DrawingVisual drawingVisual = new DrawingVisual();
DrawingContext drawingContext = drawingVisual.RenderOpen();
Brush brush = DrawingBrush.Clone();
brush.Freeze();
double totalWidth = width / pts;
double totalBarWidth = totalWidth * ((barwidth) / (barwidth + space));
double totalSpace = totalWidth * ((space) / (barwidth + space));
for (int i = 0; i < pts; i++)
{
double x = i * totalWidth;
double y1 = height;
double y2 = y1 - values[i] * height;
drawingContext.DrawRectangle(brush, null, new Rect(x, y2, totalBarWidth, y1));
}
drawingContext.Close();
_bmp.Clear();
_bmp.Render(drawingVisual);
PART_visualationDisplay.Source = _bmp;
}
static FeedbackHelper()
{
FeedbackHelper.DefaultAdornerBrush.Freeze();
FeedbackHelper.DefaultThinPen = new Pen((Brush)Brushes.CornflowerBlue, 1.0);
FeedbackHelper.DefaultThinPen.Freeze();
FeedbackHelper.DefaultMediumPen = new Pen((Brush)Brushes.CornflowerBlue, 2.0);
FeedbackHelper.DefaultMediumPen.Freeze();
FeedbackHelper.DefaultThickPen = new Pen((Brush)Brushes.CornflowerBlue, 3.0);
FeedbackHelper.DefaultThickPen.Freeze();
FeedbackHelper.InactiveBrush = (Brush) new SolidColorBrush(Color.FromArgb(byte.MaxValue, (byte)150, (byte)150, (byte)150));
FeedbackHelper.InactiveBrush.Freeze();
FeedbackHelper.InactiveThinPen = new Pen(FeedbackHelper.InactiveBrush, 1.0);
FeedbackHelper.InactiveThinPen.Freeze();
FeedbackHelper.MultipleElementThinPen = new Pen((Brush)Brushes.CornflowerBlue, 1.0);
FeedbackHelper.MultipleElementThinPen.Freeze();
FeedbackHelper.MultipleElementMediumPen = new Pen((Brush)Brushes.CornflowerBlue, 2.0);
FeedbackHelper.MultipleElementMediumPen.Freeze();
FeedbackHelper.ClipPathBrush = (Brush) new SolidColorBrush(Color.FromArgb(byte.MaxValue, (byte)173, (byte)42, (byte)140));
FeedbackHelper.ClipPathBrush.Freeze();
FeedbackHelper.ClipPathThinPen = new Pen(FeedbackHelper.ClipPathBrush, 1.0);
FeedbackHelper.ClipPathThinPen.Freeze();
FeedbackHelper.ClipPathThickPen = new Pen(FeedbackHelper.ClipPathBrush, 3.0);
FeedbackHelper.ClipPathThickPen.Freeze();
FeedbackHelper.MotionPathThinPen = new Pen((Brush)Brushes.CornflowerBlue, 1.0);
FeedbackHelper.MotionPathThinPen.Freeze();
FeedbackHelper.WhiteBrush = (Brush) new SolidColorBrush(Color.FromArgb(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue));
FeedbackHelper.WhiteBrush.Freeze();
FeedbackHelper.MotionPathSegmentThinPen = new Pen((Brush)Brushes.CornflowerBlue, 1.0);
FeedbackHelper.MotionPathSegmentThinPen.DashStyle = new DashStyle((IEnumerable <double>) new double[2]
{
6.0,
6.0
}, 1.0);
FeedbackHelper.MotionPathSegmentThinPen.Freeze();
FeedbackHelper.MotionPathThickPen = new Pen((Brush)Brushes.CornflowerBlue, 3.0);
FeedbackHelper.MotionPathThickPen.Freeze();
FeedbackHelper.MotionPathSegmentThickPen = new Pen((Brush)Brushes.CornflowerBlue, 3.0);
FeedbackHelper.MotionPathSegmentThickPen.DashStyle = new DashStyle((IEnumerable <double>) new double[2]
{
2.0,
2.0
}, 1.0);
FeedbackHelper.MotionPathSegmentThickPen.Freeze();
FeedbackHelper.DefaultThinPenZoomCache = new PenZoomCache(FeedbackHelper.GetThinPen(AdornerType.Default));
DrawingGroup drawingGroup = new DrawingGroup();
DrawingContext drawingContext = drawingGroup.Open();
drawingContext.DrawRectangle((Brush)Brushes.White, (Pen)null, new Rect(-1.0, -1.0, 3.0, 3.0));
drawingContext.DrawRectangle((Brush)Brushes.Black, (Pen)null, new Rect(0.25, -1.0, 0.5, 3.0));
drawingContext.Close();
drawingGroup.Freeze();
DrawingBrush drawingBrush = new DrawingBrush((Drawing)drawingGroup);
drawingBrush.ViewportUnits = BrushMappingMode.Absolute;
drawingBrush.Viewport = new Rect(0.0, 0.0, 8.0, 8.0);
drawingBrush.ViewboxUnits = BrushMappingMode.Absolute;
drawingBrush.Viewbox = new Rect(0.0, 0.0, 1.0, 1.0);
drawingBrush.Stretch = Stretch.Uniform;
drawingBrush.TileMode = TileMode.Tile;
FeedbackHelper.horizontalDashBrush = (TileBrush)drawingBrush;
FeedbackHelper.verticalDashBrush = (TileBrush)drawingBrush.Clone();
FeedbackHelper.verticalDashBrush.Transform = (Transform) new RotateTransform(90.0);
}
