/// <summary>
/// Draws the polygon from the specified points. The polygon can have stroke and/or fill.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The stroke thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join type.</param>
/// <param name="aliased">if set to <c>true</c> the shape will be aliased.</param>
public override void DrawPolygon(
IList <ScreenPoint> points,
OxyColor fill,
OxyColor stroke,
double thickness,
double[] dashArray,
OxyPlot.LineJoin lineJoin,
bool aliased)
{
if (points.Count < 2)
{
return;
}
this.g.SmoothingMode = aliased ? SmoothingMode.None : SmoothingMode.HighQuality;
var pts = this.ToPoints(points);
if (fill.IsVisible())
{
this.g.FillPolygon(this.GetCachedBrush(fill), pts);
}
if (stroke.IsInvisible() || thickness <= 0)
{
return;
}
var pen = this.GetCachedPen(stroke, thickness, dashArray, lineJoin);
this.g.DrawPolygon(pen, pts);
}
/// <summary>
/// Draws the polygon from the specified points. The polygon can have stroke and/or fill.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The stroke thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join type.</param>
/// <param name="aliased">if set to <c>true</c> the shape will be aliased.</param>
public override void DrawPolygon(
IList <ScreenPoint> points,
OxyColor fill,
OxyColor stroke,
double thickness,
double[] dashArray,
OxyPlot.LineJoin lineJoin,
bool aliased)
{
if (points.Count < 2)
{
return;
}
this.g.SmoothingMode = aliased ? SmoothingMode.None : SmoothingMode.HighQuality;
var pts = this.ToPoints(points);
if (fill.IsVisible() || stroke.IsVisible())
{
float minX = pts.Min(p => p.X);
float minY = pts.Min(p => p.Y);
float maxX = pts.Max(p => p.X);
float maxY = pts.Max(p => p.Y);
this.GroundTruth[KeyPolygon].Add(new RectangleF(minX, minY, maxX - minX, maxY - minY));
}
if (fill.IsVisible())
{
this.g.FillPolygon(this.GetCachedBrush(fill), pts);
}
if (stroke.IsInvisible() || thickness <= 0)
{
return;
}
using (var pen = this.CreatePen(stroke, thickness))
{
if (dashArray != null)
{
pen.DashPattern = this.ToFloatArray(dashArray);
}
switch (lineJoin)
{
case OxyPlot.LineJoin.Round:
pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Round;
break;
case OxyPlot.LineJoin.Bevel:
pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Bevel;
break;
// The default LineJoin is Miter
}
this.g.DrawPolygon(pen, pts);
}
}
/// <summary>
/// Draws the polyline from the specified points.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The stroke thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join type.</param>
/// <param name="aliased">if set to <c>true</c> the shape will be aliased.</param>
public override void DrawLine(
IList <ScreenPoint> points,
OxyColor stroke,
double thickness,
double[] dashArray,
OxyPlot.LineJoin lineJoin,
bool aliased)
{
if (stroke.IsInvisible() || thickness <= 0 || points.Count < 2)
{
return;
}
this.g.SmoothingMode = aliased ? SmoothingMode.None : SmoothingMode.HighQuality;
using (var pen = this.CreatePen(stroke, thickness, dashArray, lineJoin))
{
var pointFs = this.ToPoints(points);
float minX = pointFs.Min(p => p.X);
float minY = pointFs.Min(p => p.Y);
float maxX = pointFs.Max(p => p.X);
float maxY = pointFs.Max(p => p.Y);
this.GroundTruth[KeyLine].Add(new RectangleF(minX, minY, maxX - minX, maxY - minY));
this.g.DrawLines(pen, pointFs);
}
}
/// <inheritdoc/>
public override void DrawPolygon(
IList <ScreenPoint> points,
OxyColor fill,
OxyColor stroke,
double thickness,
EdgeRenderingMode edgeRenderingMode,
double[] dashArray,
OxyPlot.LineJoin lineJoin)
{
if (points.Count < 2)
{
return;
}
this.SetSmoothingMode(this.ShouldUseAntiAliasingForLine(edgeRenderingMode, points));
var pts = this.ToPoints(points);
if (fill.IsVisible())
{
this.g.FillPolygon(this.GetCachedBrush(fill), pts);
}
if (stroke.IsInvisible() || thickness <= 0)
{
return;
}
var pen = this.GetCachedPen(stroke, thickness, dashArray, lineJoin);
this.g.DrawPolygon(pen, pts);
}
/// <summary>
/// Draws the polygon from the specified points. The polygon can have stroke and/or fill.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The stroke thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join type.</param>
/// <param name="aliased">if set to <c>true</c> the shape will be aliased.</param>
public override void DrawPolygon(
IList <ScreenPoint> points,
OxyColor fill,
OxyColor stroke,
double thickness,
double[] dashArray,
OxyPlot.LineJoin lineJoin,
bool aliased)
{
if (points.Count < 2)
{
return;
}
this.g.SmoothingMode = aliased ? SmoothingMode.None : SmoothingMode.HighQuality;
var pts = this.ToPoints(points);
if (fill.IsVisible())
{
this.g.FillPolygon(fill.ToBrush(), pts);
}
if (stroke.IsInvisible() || thickness <= 0)
{
return;
}
using (var pen = this.CreatePen(stroke, thickness))
{
if (dashArray != null)
{
pen.DashPattern = this.ToFloatArray(dashArray);
}
switch (lineJoin)
{
case OxyPlot.LineJoin.Round:
pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Round;
break;
case OxyPlot.LineJoin.Bevel:
pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Bevel;
break;
// The default LineJoin is Miter
}
this.g.DrawPolygon(pen, pts);
}
}
/// <summary>
/// Draws the polyline from the specified points.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The stroke thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join type.</param>
/// <param name="aliased">if set to <c>true</c> the shape will be aliased.</param>
public override void DrawLine(
IList <ScreenPoint> points,
OxyColor stroke,
double thickness,
double[] dashArray,
OxyPlot.LineJoin lineJoin,
bool aliased)
{
if (stroke.IsInvisible() || thickness <= 0 || points.Count < 2)
{
return;
}
this.g.SmoothingMode = aliased ? SmoothingMode.None : SmoothingMode.HighQuality;
var pen = this.GetCachedPen(stroke, thickness, dashArray, lineJoin);
this.g.DrawLines(pen, this.ToPoints(points));
}
/// <inheritdoc/>
public override void DrawLine(
IList <ScreenPoint> points,
OxyColor stroke,
double thickness,
EdgeRenderingMode edgeRenderingMode,
double[] dashArray,
OxyPlot.LineJoin lineJoin)
{
if (stroke.IsInvisible() || thickness <= 0 || points.Count < 2)
{
return;
}
this.SetSmoothingMode(this.ShouldUseAntiAliasingForLine(edgeRenderingMode, points));
var pen = this.GetCachedPen(stroke, thickness, dashArray, lineJoin);
this.g.DrawLines(pen, this.ToPoints(points));
}
/// <summary>
/// Gets a cached pen.
/// </summary>
/// <param name="stroke">The stroke.</param>
/// <param name="thickness">The thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join.</param>
/// <returns>A <see cref="Pen" />.</returns>
private Pen CreatePen(OxyColor stroke, double thickness, double[] dashArray = null, OxyPlot.LineJoin lineJoin = OxyPlot.LineJoin.Miter)
{
var pen = new Pen(stroke.ToColor(), (float)thickness);
if (dashArray != null)
{
pen.DashPattern = this.ToFloatArray(dashArray);
}
switch (lineJoin)
{
case OxyPlot.LineJoin.Round:
pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Round;
break;
case OxyPlot.LineJoin.Bevel:
pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Bevel;
break;
//// The default LineJoin is Miter
}
return(pen);
}
/// <summary>
/// Gets the cached pen.
/// </summary>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join.</param>
/// <returns>A <see cref="Pen" />.</returns>
private Pen GetCachedPen(OxyColor stroke, double thickness, double[] dashArray = null, OxyPlot.LineJoin lineJoin = OxyPlot.LineJoin.Miter)
{
GraphicsPenDescription description = new GraphicsPenDescription(stroke, thickness, dashArray, lineJoin);
Pen pen;
if (this.pens.TryGetValue(description, out pen))
{
return(pen);
}
return(this.pens[description] = CreatePen(stroke, thickness, dashArray, lineJoin));
}
