protected override RadRect ArrangeCore(RadRect rect)
{
IChartView view = this.GetChartArea().view;
RadRect plotAreaVirtualSize = new RadRect(rect.X, rect.Y, rect.Width * view.ZoomWidth, rect.Height * view.ZoomHeight);
RadPoint point1, point2;
double panOffsetX = view.PlotOriginX * rect.Width;
double panOffsetY = view.PlotOriginY * rect.Height;
if (this.axis.type == AxisType.First)
{
point1 = new RadPoint(panOffsetX + this.plotInfo.CenterX(plotAreaVirtualSize), plotAreaVirtualSize.Y + panOffsetY);
point2 = new RadPoint(point1.X, plotAreaVirtualSize.Bottom + panOffsetY);
}
else
{
point1 = new RadPoint(plotAreaVirtualSize.X + panOffsetX, panOffsetY + this.plotInfo.CenterY(plotAreaVirtualSize));
point2 = new RadPoint(plotAreaVirtualSize.Right + panOffsetX, point1.Y);
}
this.line = new RadLine(point1, point2);
this.originalLayoutSlot = new RadRect(new RadPoint(this.line.X1, this.line.Y1), new RadPoint(this.line.X2, this.line.Y2));
this.line = AnnotationHelper.ClipGridLine(this.line, rect, this.StrokeThickness * 2, this.DashPatternLength * this.StrokeThickness);
this.line = RadLine.Round(this.line);
return(new RadRect(new RadPoint(this.line.X1, this.line.Y1), new RadPoint(this.line.X2, this.line.Y2)));
}
protected override RadRect ArrangeCore(RadRect rect)
{
IChartView view = this.GetChartArea().view;
RadRect plotAreaVirtualSize = new RadRect(rect.X, rect.Y, rect.Width * view.ZoomWidth, rect.Height * view.ZoomHeight);
RadPoint point1, point2;
double panOffsetX = view.PlotOriginX * rect.Width;
double panOffsetY = view.PlotOriginY * rect.Height;
if (this.axis.type == AxisType.First)
{
point1 = new RadPoint(panOffsetX + this.firstPlotInfo.CenterX(plotAreaVirtualSize), plotAreaVirtualSize.Y + panOffsetY);
point2 = new RadPoint(panOffsetX + this.secondPlotInfo.CenterX(plotAreaVirtualSize), plotAreaVirtualSize.Bottom + panOffsetY);
}
else
{
point1 = new RadPoint(plotAreaVirtualSize.X + panOffsetX, panOffsetY + this.firstPlotInfo.CenterY(plotAreaVirtualSize));
point2 = new RadPoint(plotAreaVirtualSize.Right + panOffsetX, panOffsetY + this.secondPlotInfo.CenterY(plotAreaVirtualSize));
}
var arrangeRect = new RadRect(point1, point2);
this.originalLayoutSlot = arrangeRect;
return(AnnotationHelper.ClipRectangle(arrangeRect, rect, this.StrokeThickness * 2, this.DashPatternLength * this.StrokeThickness));
}
protected override RadRect ArrangeCore(RadRect rect)
{
IChartView view = this.GetChartArea().view;
RadRect plotAreaVirtualSize = new RadRect(rect.X, rect.Y, rect.Width * view.ZoomWidth, rect.Height * view.ZoomHeight);
double panOffsetX = view.PlotOriginX * rect.Width;
double panOffsetY = view.PlotOriginY * rect.Height;
RadPoint point1 = new RadPoint(panOffsetX + this.horizontalFromPlotInfo.CenterX(plotAreaVirtualSize), panOffsetY + this.verticalFromPlotInfo.CenterY(plotAreaVirtualSize));
RadPoint point2 = new RadPoint(panOffsetX + this.horizontalToPlotInfo.CenterX(plotAreaVirtualSize), panOffsetY + this.verticalToPlotInfo.CenterY(plotAreaVirtualSize));
var arrangeRect = new RadRect(point1, point2);
this.originalLayoutSlot = arrangeRect;
return(AnnotationHelper.ClipRectangle(arrangeRect, rect, this.StrokeThickness * 2, this.DashPatternLength * this.StrokeThickness));
}
/// <summary>
/// Clips the <paramref name="line"/> to the <paramref name="container"/>.
/// </summary>
/// <param name="line">The line to be clipped.</param>
/// <param name="container">The container.</param>
/// <param name="borderOverflow">The border (stroke thickness) of the <paramref name="line"/>.</param>
/// <param name="dashPatternLength">The length of the dash pattern of the line stroke.</param>
/// <returns>The clipped line.</returns>
internal static RadLine ClipLine(RadLine line, RadRect container, double borderOverflow, double dashPatternLength)
{
// extend the container with the element border
container.X -= borderOverflow;
container.Y -= borderOverflow;
container.Width += 2 * borderOverflow;
container.Height += 2 * borderOverflow;
bool firstPointInside = container.Contains(line.X1, line.Y1);
bool secondPointInside = container.Contains(line.X2, line.Y2);
if (firstPointInside && secondPointInside)
{
return(line);
}
if (dashPatternLength == 0 || double.IsNaN(dashPatternLength) || double.IsInfinity(dashPatternLength))
{
dashPatternLength = 1;
}
// find intersectionns of the line with the sides of the container
double topIntersectionX = RadMath.CalculateIntersectionX(line.X1, line.Y1, line.X2, line.Y2, container.Y);
double bottomIntersectionX = RadMath.CalculateIntersectionX(line.X1, line.Y1, line.X2, line.Y2, container.Bottom);
double leftIntersectionY = RadMath.CalculateIntersectionY(line.X1, line.Y1, line.X2, line.Y2, container.X);
double rightIntersectionY = RadMath.CalculateIntersectionY(line.X1, line.Y1, line.X2, line.Y2, container.Right);
// slope of the line: angle between the line ant the horizon (-pi/2, pi/2)
var angle = Math.Atan((line.Y1 - line.Y2) / (line.X2 - line.X1));
bool intersectsWithRect = false;
// clip to container sides
intersectsWithRect |= AnnotationHelper.TryClipToContainerTop(ref line, container, topIntersectionX, dashPatternLength, angle > 0 ? angle : Math.PI + angle);
intersectsWithRect |= AnnotationHelper.TryClipToContainerBottom(ref line, container, bottomIntersectionX, dashPatternLength, angle > 0 ? angle : Math.PI + angle);
intersectsWithRect |= AnnotationHelper.TryClipToContainerLeft(ref line, container, leftIntersectionY, dashPatternLength, angle);
intersectsWithRect |= AnnotationHelper.TryClipToContainerRight(ref line, container, rightIntersectionY, dashPatternLength, angle);
if (!intersectsWithRect)
{
line = new RadLine();
}
return(line);
}
protected override RadRect ArrangeCore(RadRect rect)
{
IChartView view = this.GetChartArea().view;
RadRect plotAreaVirtualSize = new RadRect(rect.X, rect.Y, rect.Width * view.ZoomWidth, rect.Height * view.ZoomHeight);
double panOffsetX = view.PlotOriginX * rect.Width;
double panOffsetY = view.PlotOriginY * rect.Height;
RadPoint point1 = new RadPoint(panOffsetX + this.horizontalFromPlotInfo.CenterX(plotAreaVirtualSize), panOffsetY + this.verticalFromPlotInfo.CenterY(plotAreaVirtualSize));
RadPoint point2 = new RadPoint(panOffsetX + this.horizontalToPlotInfo.CenterX(plotAreaVirtualSize), panOffsetY + this.verticalToPlotInfo.CenterY(plotAreaVirtualSize));
this.line = new RadLine(point1, point2);
this.originalLayoutSlot = new RadRect(new RadPoint(this.line.X1, this.line.Y1), new RadPoint(this.line.X2, this.line.Y2));
this.line = AnnotationHelper.ClipLine(this.line, rect, 2 * this.StrokeThickness, this.DashPatternLength * this.StrokeThickness);
this.line = RadLine.Round(this.line);
return(new RadRect(new RadPoint(this.line.X1, this.line.Y1), new RadPoint(this.line.X2, this.line.Y2)));
}
