public void HighlightLineUsingValues(double xv1, double yv1, double xv2, double yv2)
{
// -------------------------------
// works-ish
double xrange = Math.Abs(Config.XMin) + Config.XMax;
double yrange = Math.Abs(Config.YMin) + Config.YMax;
double xper = (Config.CanvasWidth - Config.XStart) / xrange;
double yper = (Config.CanvasHeight - Config.YStart) / yrange;
var cp_x1 = (Math.Abs(Config.XMin) + xv1) * xper + Config.XStart;
var cp_y1 = (Math.Abs(Config.YMax) - yv1) * yper + Config.YStart;
var cp_x2 = (Math.Abs(Config.XMin) + xv2) * xper + Config.XStart;
var cp_y2 = (Math.Abs(Config.YMax) - yv2) * yper + Config.YStart;
// -------------------------------
var line = new Line();
line.Stroke = new SolidColorBrush(Colors.Yellow);
line.StrokeThickness = 6;
line.Fill = new SolidColorBrush(Colors.Yellow);
line.X1 = cp_x1;
line.Y1 = cp_y1;
line.X2 = cp_x2;
line.Y2 = cp_y2;
var cc = new CanvasComponent();
cc.AddUiElement(line);
cc.SendToFarBack();
ActiveLayer.AddComponent(cc);
}
public void HighlightPointUsingValues(double xv1, double yv1, int highlightLevel)
{
double xrange = Math.Abs(Config.XMin) + Config.XMax;
double yrange = Math.Abs(Config.YMin) + Config.YMax;
double xper = (Config.CanvasWidth - Config.XStart) / xrange;
double yper = (Config.CanvasHeight - Config.YStart) / yrange;
var cxp = (Math.Abs(Config.XMin) + xv1) * xper + Config.XStart;
var cyp = (Math.Abs(Config.YMax) - yv1) * yper + Config.YStart;
// -------------------------------
double size = 12;
double offset = size / 2;
var ellipse = CreateEllipse(size, cxp - offset, cyp - offset);
ellipse.Stroke = new SolidColorBrush(Colors.Yellow);
var cc = new CanvasComponent();
cc.AddUiElement(ellipse);
cc.SendToFarBack();
ActiveLayer.AddComponent(cc);
}
private void CreateDefaultShapes()
{
gridPointHighlight = new CanvasComponent();
double highlightPointSize = 9;
highlightPointOffset = highlightPointSize / 2;
Ellipse e = CreateEllipse(highlightPointSize, -10, -10);
e.Stroke = new SolidColorBrush(Colors.Red);
e.Visibility = Visibility.Collapsed;
gridPointHighlight.AddUiElement(e);
gridPointHighlight.SendToFarBack();
GetBaseLayer().AddComponent(gridPointHighlight);
}