protected static void DrawRectangle(IRenderContext2D renderContext, IPen2D pen, IBrush2D brush, ICoordinateCalculator<double> xcal,
ICoordinateCalculator<double> ycal, float xv, float yv, float wv, float hv)
{
var x1 = xcal.GetCoordinate(xv);
var y1 = ycal.GetCoordinate(yv);
var x2 = xcal.GetCoordinate(xv + wv);
var y2 = ycal.GetCoordinate(yv + hv);
var pt1 = new Point(x1, y1);
var pt2 = new Point(x2, y2);
renderContext.FillRectangle(brush, pt1, pt2);
renderContext.DrawQuad(pen, pt1, pt2);
}
protected static void DrawRectangle(IRenderContext2D renderContext, IPen2D pen, IBrush2D brush, ICoordinateCalculator <double> xcal,
ICoordinateCalculator <double> ycal, float xv, float yv, float wv, float hv)
{
var x1 = xcal.GetCoordinate(xv);
var y1 = ycal.GetCoordinate(yv);
var x2 = xcal.GetCoordinate(xv + wv);
var y2 = ycal.GetCoordinate(yv + hv);
var pt1 = new Point(x1, y1);
var pt2 = new Point(x2, y2);
renderContext.FillRectangle(brush, pt1, pt2);
renderContext.DrawQuad(pen, pt1, pt2);
}
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
}
}
}