/// <summary>
/// Renders the series on the specified rendering context.
/// </summary>
/// <param name="rc">The rendering context.</param>
/// <param name="model">The owner plot model.</param>
public override void Render(IRenderContext rc, PlotModel model)
{
if (Points.Count == 0)
{
return;
}
if (Points.Count % 2 != 0)
{
throw new InvalidOperationException("The number of points should be even.");
}
if (this.XAxis == null || this.YAxis == null)
{
throw new InvalidOperationException("Axis has not been defined.");
}
var clippingRect = GetClippingRect();
IList <ScreenPoint> screenPoints =
//TEST Points.Select<IDataPoint, ScreenPoint>(this.Transform).ToList();
Alt.EnumerableHelper.ToList(Alt.EnumerableHelper.Select <IDataPoint, ScreenPoint>(Points, this.Transform));
var verticalLines = new List <ScreenPoint>();
for (int i = 0; i < screenPoints.Count; i += 2)
{
if (screenPoints[i].DistanceToSquared(screenPoints[i + 1]) < this.StrokeThickness)
{
screenPoints[i] = new ScreenPoint(screenPoints[i].X - (this.StrokeThickness * 0.5), screenPoints[i].Y);
screenPoints[i + 1] = new ScreenPoint(screenPoints[i].X + (this.StrokeThickness * 0.5), screenPoints[i].Y);
}
if (this.ShowVerticals && i > 0 && Math.Abs(screenPoints[i - 1].X - screenPoints[i].X) < this.Epsilon)
{
verticalLines.Add(screenPoints[i - 1]);
verticalLines.Add(screenPoints[i]);
}
}
//TEST rc.DrawClippedLineSegments(screenPoints, clippingRect, this.ActualColor, this.StrokeThickness, this.LineStyle, this.LineJoin, false);
RenderingExtensions.DrawClippedLineSegments(rc, screenPoints, clippingRect, this.ActualColor, this.StrokeThickness, this.LineStyle, this.LineJoin, false);
//TEST rc.DrawClippedLineSegments(verticalLines, clippingRect, this.ActualColor, this.StrokeThickness / 3, LineStyle.Dash, this.LineJoin, false);
RenderingExtensions.DrawClippedLineSegments(rc, verticalLines, clippingRect, this.ActualColor, this.StrokeThickness / 3, LineStyle.Dash, this.LineJoin, false);
//TEST rc.DrawMarkers(screenPoints, clippingRect, this.MarkerType, null, this.MarkerSize, this.MarkerFill, this.MarkerStroke, this.MarkerStrokeThickness);
RenderingExtensions.DrawMarkers(rc, screenPoints, clippingRect, this.MarkerType, null, this.MarkerSize, this.MarkerFill, this.MarkerStroke, this.MarkerStrokeThickness);
}
/// <summary>
/// Renders the series on the specified render context.
/// </summary>
/// <param name="rc">The rendering context.</param>
/// <param name="model">The model.</param>
public override void Render(IRenderContext rc, PlotModel model)
{
if (this.Matrix == null)
{
return;
}
int m = this.Matrix.GetLength(0);
int n = this.Matrix.GetLength(1);
var p0 = this.Transform(0, 0);
var p1 = this.Transform(n, m);
if (this.image == null)
{
var pixels = new OxyColor[m, n];
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
pixels[i, j] = Math.Abs(this.Matrix[m - 1 - i, j]) <= this.ZeroTolerance ? OxyColors.Transparent : this.NotZeroColor;
}
}
this.image = OxyImage.PngFromArgb(pixels);
}
var clip = this.GetClippingRect();
var x0 = Math.Min(p0.X, p1.X);
var y0 = Math.Min(p0.Y, p1.Y);
var w = Math.Abs(p0.X - p1.X);
var h = Math.Abs(p0.Y - p1.Y);
//TEST rc.DrawClippedImage(clip, this.image, x0, y0, w, h, 1, false);
RenderingExtensions.DrawClippedImage(rc, clip, this.image, x0, y0, w, h, 1, false);
var points = new List <ScreenPoint>();
if (this.GridInterval > 0)
{
var p2 = this.Transform(this.GridInterval, this.GridInterval);
if (Math.Abs(p2.Y - p0.Y) > this.MinimumGridLineDistance)
{
for (int i = 1; i < n; i += this.GridInterval)
{
points.Add(this.Transform(0, i));
points.Add(this.Transform(n, i));
}
}
if (Math.Abs(p2.X - p0.X) > this.MinimumGridLineDistance)
{
for (int j = 1; j < m; j += this.GridInterval)
{
points.Add(this.Transform(j, 0));
points.Add(this.Transform(j, m));
}
}
}
if (this.ShowDiagonal)
{
points.Add(this.Transform(0, 0));
points.Add(this.Transform(n, m));
}
//TEST rc.DrawClippedLineSegments(points, clip, this.GridColor, 1, LineStyle.Solid, OxyPenLineJoin.Miter, true);
RenderingExtensions.DrawClippedLineSegments(rc, points, clip, this.GridColor, 1, LineStyle.Solid, OxyPenLineJoin.Miter, true);
if (this.BorderColor != null)
{
var borderPoints = new List <ScreenPoint>
{
this.Transform(0, 0),
this.Transform(m, 0),
this.Transform(0, n),
this.Transform(m, n),
this.Transform(0, 0),
this.Transform(0, n),
this.Transform(m, 0),
this.Transform(m, n)
};
//TEST rc.DrawClippedLineSegments(
RenderingExtensions.DrawClippedLineSegments(rc,
borderPoints, clip, this.BorderColor, 1, LineStyle.Solid, OxyPenLineJoin.Miter, true);
}
}