private void TryCasheResources(IRenderContext2D context)
{
_strokePen = _strokePen ?? context.CreatePen(Stroke, AntiAliasing, (float)StrokeThickness, Opacity);
_gainFillBrush = _gainFillBrush ?? context.CreateBrush(GainMarkerFill);
_lossFillBrush = _lossFillBrush ?? context.CreateBrush(LossMarkerFill);
}
protected override void Draw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
var xcal = renderPassData.XCoordinateCalculator;
var ycal = renderPassData.YCoordinateCalculator;
var surf = GetParentSurface();
var xrange = surf.XAxis.VisibleRange.AsDoubleRange();
var yrange = surf.YAxis.VisibleRange.AsDoubleRange();
var area = new Rect(xrange.Min, yrange.Min, xrange.Diff, yrange.Diff);
var pixTakeCare = 3;
var pixSizeX = (TReal)Math.Abs(xcal.GetDataValue(pixTakeCare) - xcal.GetDataValue(0.0));
var pixSizeY = (TReal)Math.Abs(ycal.GetDataValue(0.0) - ycal.GetDataValue(pixTakeCare));
var found = DataSeries.FindInArea(area, pixSizeX, pixSizeY);
var brush = renderContext.CreateBrush(new SolidColorBrush(Colors.BlueViolet));
var pen = renderContext.CreatePen(Colors.Black, false, 1);
foreach (var rect in found)
{
DrawRectangle(renderContext, pen, brush, xcal, ycal, (TReal)rect.X, (TReal)rect.Y, (TReal)rect.Width, (TReal)rect.Height);
}
brush.Dispose();
pen.Dispose();
var sdbg = DataSeries as Series4;
//sdbg.DrawNodes(renderContext, xcal, ycal, area, pixSizeX, pixSizeY);
}
private void CustomDraw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
var dataPointSeries = renderPassData.PointSeries as Point2DSeries;
foreach (var pt in ptList)
{
System.Windows.Media.Color ptColor = System.Windows.Media.Color.FromArgb(pt.Color.A, pt.Color.R, pt.Color.G, pt.Color.B);
var ptRefLocal = GetRenderingPoint(new Point(pt.Pt.X, pt.Pt.Y));
/// Create a pen to draw. Make sure you dispose it!
using (var ptPen = renderContext.CreatePen(ptColor, this.AntiAliasing, (float)1))
{
using (var ptBrush = renderContext.CreateBrush(new SolidColorBrush(ptColor)))
{
renderContext.DrawEllipse(ptPen, ptBrush, ptRefLocal, pt.Width, pt.Width);
//using (var lineDrawingContext = renderContext.BeginLine(linePen, initialPoint.X, initialPoint.Y))
// {
// lineDrawingContext.MoveTo(endPoint.X, endPoint.Y);
// lineDrawingContext.End();
// }
}
}
}
}
private void CustomDraw(IRenderContext2D renderContext)
{
foreach (var p in polygonList)
{
Polygon polygon = p.Value.polygon;
if (polygon.Points.Count > 0)
{
Point initialPoint = GetRenderingPoint(polygon.Points[0]);
System.Windows.Media.Color backgroundColor = System.Windows.Media.Color.FromArgb(p.Value.backgroundColor.A, p.Value.backgroundColor.R, p.Value.backgroundColor.G, p.Value.backgroundColor.B);
using (var brush = renderContext.CreateBrush(backgroundColor))
{
//IEnumerable<Point> points; // define your points
renderContext.FillPolygon(brush, GetRenderingPoints(polygon.Points));
}
//// Create a pen to draw. Make sure you dispose it!
System.Windows.Media.Color borderColor = System.Windows.Media.Color.FromArgb(p.Value.borderColor.A, p.Value.borderColor.R, p.Value.borderColor.G, p.Value.borderColor.B);
using (var linePen = renderContext.CreatePen(borderColor, this.AntiAliasing, p.Value.borderWidth, p.Value.borderOpacity, p.Value.borderDashPattern))
{
using (var lineDrawingContext = renderContext.BeginLine(linePen, initialPoint.X, initialPoint.Y))
{
for (int i = 1; i < polygon.Points.Count; i++)
{
lineDrawingContext.MoveTo(GetRenderingPoint(polygon.Points[i]).X, GetRenderingPoint(polygon.Points[i]).Y);
}
lineDrawingContext.End();
}
}
}
}
}
protected override void Draw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
base.Draw(renderContext, renderPassData);
// Do the drawing for our timeline here
//
// Input data is type XyzPointSeries so must be cast
var inputData = renderPassData.PointSeries as XyzPointSeries;
// Get X,Y axis calculators
var xCalc = renderPassData.XCoordinateCalculator;
var yCalc = renderPassData.YCoordinateCalculator;
// Compute some constants
double yMid = YOffset;
double halfHeight = Height * 0.5;
// Iterate over the data
for (int i = 0; i < inputData.Count; i++)
{
// Now compute the bounds of the box to draw for one data-points
// XStart = X, XEnd = XStart + Y (we use Y for the length of the box)
// YTop, YBottom defined by Height + YOffset properties
double xStartCoord = xCalc.GetCoordinate(inputData.XValues[i]);
double xEndCoord = xStartCoord + xCalc.GetCoordinate(inputData.YValues[i]);
double yTop = yCalc.GetCoordinate(yMid + halfHeight);
double yBottom = yCalc.GetCoordinate(yMid - halfHeight);
// Get the color for this block
int iColor = (int)inputData.ZPoints[i];
Color fill = iColor.ToColor();
// Brush creation can be expensive, cache brushes keyed on int color if you find this
using (var scichartBrush = renderContext.CreateBrush(fill))
{
// Draw a rectangle
renderContext.FillRectangle(scichartBrush, new Point(xStartCoord, yBottom), new Point(xEndCoord, yTop));
// NOTE:
// You can draw fill, stroke, and fills can be linear gradient brushes if you want.
// Extra data can be passed through the Metadata parameter in XyzDataSeries
}
}
}
protected override void Draw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
base.Draw(renderContext, renderPassData);
// Create a line drawing context. Make sure you dispose it!
// NOTE: You can create mutliple line drawing contexts to draw segments if you want
// You can also call renderContext.DrawLine() and renderContext.DrawLines(), but the lineDrawingContext is higher performance
foreach (var p in polygonList)
{
Polygon polygon = p.Value.polygon;
if (polygon.Points.Count > 0)
{
Point initialPoint = GetRenderingPoint(polygon.Points[0]);
System.Windows.Media.Color backgroundColor = System.Windows.Media.Color.FromArgb(p.Value.backgroundColor.A, p.Value.backgroundColor.R, p.Value.backgroundColor.G, p.Value.backgroundColor.B);
using (var brush = renderContext.CreateBrush(backgroundColor))
{
//IEnumerable<Point> points; // define your points
renderContext.FillPolygon(brush, GetRenderingPoints(polygon.Points));
}
//// Create a pen to draw. Make sure you dispose it!
System.Windows.Media.Color borderColor = System.Windows.Media.Color.FromArgb(p.Value.borderColor.A, p.Value.borderColor.R, p.Value.borderColor.G, p.Value.borderColor.B);
using (var linePen = renderContext.CreatePen(borderColor, this.AntiAliasing, p.Value.borderWidth, p.Value.borderOpacity, p.Value.borderDashPattern))
{
using (var lineDrawingContext = renderContext.BeginLine(linePen, initialPoint.X, initialPoint.Y))
{
for (int i = 1; i < polygon.Points.Count; i++)
{
lineDrawingContext.MoveTo(GetRenderingPoint(polygon.Points[i]).X, GetRenderingPoint(polygon.Points[i]).Y);
}
lineDrawingContext.End();
}
}
}
}
}
protected override void Draw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
var xcal = renderPassData.XCoordinateCalculator;
var ycal = renderPassData.YCoordinateCalculator;
var surf = GetParentSurface();
var xrange = surf.XAxis.VisibleRange.AsDoubleRange();
var yrange = surf.YAxis.VisibleRange.AsDoubleRange();
var area = new Rect(xrange.Min, yrange.Min, xrange.Diff, yrange.Diff);
var found = DataSeries.FindInArea(area);
var brush = renderContext.CreateBrush(new SolidColorBrush(Colors.BlueViolet));
var pen = renderContext.CreatePen(Colors.Black, false, 1);
foreach (var index in found)
{
var xv = DataSeries.XValues[index];
var yv = DataSeries.YValues[index];
var wv = DataSeries.WidthValues[index];
var hv = DataSeries.HeightValues[index];
DrawRectangle(renderContext, pen, brush, xcal, ycal, xv, yv, wv, hv);
}
brush.Dispose();
pen.Dispose();
}
protected override void Draw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
var xcal = renderPassData.XCoordinateCalculator;
var ycal = renderPassData.YCoordinateCalculator;
var surf = GetParentSurface();
var xrange = surf.XAxis.VisibleRange.AsDoubleRange();
var yrange = surf.YAxis.VisibleRange.AsDoubleRange();
var area = new Rect(xrange.Min, yrange.Min, xrange.Diff, yrange.Diff);
var found = DataSeries.FindInArea(area);
var brush = renderContext.CreateBrush(new SolidColorBrush(Colors.BlueViolet));
var pen = renderContext.CreatePen(Colors.Black, false, 1);
foreach (var index in found)
{
var xv = DataSeries.XValues[index];
var yv = DataSeries.YValues[index];
var wv = DataSeries.WidthValues[index];
var hv = DataSeries.HeightValues[index];
DrawRectangle(renderContext, pen, brush, xcal, ycal, xv, yv, wv, hv);
}
brush.Dispose();
pen.Dispose();
}
public override void Draw(IRenderContext2D context, IEnumerable <Point> centers)
{
var fill = context.CreateBrush(Fill);
var stroke = context.CreatePen(Stroke, AntiAliasing, (float)StrokeThickness);
float width2 = (float)(Width * 0.5);
float height2 = (float)(Height * 0.5);
foreach (var center in centers)
{
double top = center.Y - height2;
double bottom = center.Y + height2;
double left = center.X - width2;
double right = center.X + width2;
var diamondPoints = new[]
{
// Points drawn like this:
//
// x0 (x4 in same location as x0)
//
// x3 x1
//
// x2
new Point(center.X, top), // x0
new Point(right, center.Y), // x1
new Point(center.X, bottom), // x2
new Point(left, center.Y), // x3
new Point(center.X, top), // x4 == x0
};
context.FillPolygon(fill, diamondPoints);
context.DrawLines(stroke, diamondPoints);
}
}
protected override void Draw(IRenderContext2D renderContext, IRenderPassData renderPassData)
{
var xcal = renderPassData.XCoordinateCalculator;
var ycal = renderPassData.YCoordinateCalculator;
var surf = GetParentSurface();
var xrange = surf.XAxis.VisibleRange.AsDoubleRange();
var yrange = surf.YAxis.VisibleRange.AsDoubleRange();
var area = new Rect(xrange.Min, yrange.Min, xrange.Diff, yrange.Diff);
var pixTakeCare = 3;
var pixSizeX = (TReal)Math.Abs(xcal.GetDataValue(pixTakeCare) - xcal.GetDataValue(0.0));
var pixSizeY = (TReal)Math.Abs(ycal.GetDataValue(0.0) - ycal.GetDataValue(pixTakeCare));
var found = DataSeries.FindInArea(area, pixSizeX, pixSizeY);
var brush = renderContext.CreateBrush(new SolidColorBrush(Colors.BlueViolet));
var pen = renderContext.CreatePen(Colors.Black, false, 1);
foreach (var rect in found)
{
DrawRectangle(renderContext, pen, brush, xcal, ycal, (TReal)rect.X, (TReal)rect.Y, (TReal)rect.Width, (TReal)rect.Height);
}
brush.Dispose();
pen.Dispose();
var sdbg = DataSeries as Series4;
//sdbg.DrawNodes(renderContext, xcal, ycal, area, pixSizeX, pixSizeY);
}