public void AddPolygonLine(int xi1, int yi1, int xi2, int yi2,
double xv1, double yv1, double xv2, double yv2)
{
if (ActivePolygon == null)
{
ActivePolygon = new PolygonModel();
}
double xp1 = xi1 * Config.XIncrement + Config.XStart;
double yp1 = yi1 * Config.YIncrement + Config.YStart;
double xp2 = xi2 * Config.XIncrement + Config.XStart;
double yp2 = yi2 * Config.YIncrement + Config.YStart;
var line = new Line();
line.Stroke = new SolidColorBrush(Colors.Red);
line.StrokeThickness = 3;
line.Fill = new SolidColorBrush(Colors.Red);
line.X1 = xp1;
line.Y1 = yp1;
line.X2 = xp2;
line.Y2 = yp2;
ActivePolygon.Lines.Add(new LineModel
{
StartPoint = new Vector {
X = xv1, Y = yv1, Alternates = new CanvasPoint {
DotIndexLeft = xi1, DotIndexTop = yi1
}
},
EndPoint = new Vector {
X = xv2, Y = yv2, Alternates = new CanvasPoint {
DotIndexLeft = xi2, DotIndexTop = yi2
}
}
});
var cc = new CanvasComponent();
cc.AddUiElement(line);
line.Tag = ActivePolygon.Lines[ActivePolygon.Lines.Count - 1];
polygonLinesInProgress.Add(cc);
GetInputLayer().AddComponent(cc);
// if we're at least completing a triangle...
if (ActivePolygon.Lines.Count > 2)
{
// if endpoint of current line matches start point of first line, we're connecting
// back to start of polygon
if (GeomMath.AlmostEqual(new Vector {
X = xv2, Y = yv2
}, ActivePolygon.Lines[0].StartPoint))
{
CompletePolygon();
}
}
}
private void DrawGrid()
{
if (dotGrid == null)
{
dotGrid = new CanvasComponent();
}
if (Config == null)
{
// If we don't have a configuration yet, create the default...
Config = new CanvasConfiguration();
Config.BuildConfiguration(-800, 800, -400, 400,
AttachedCanvas.ActualWidth, AttachedCanvas.ActualHeight,
40, 20, 5, 5);
}
ResetGrid();
double total_x = Math.Abs(Config.XMin) + Config.XMax;
double total_y = Math.Abs(Config.YMin) + Config.YMax;
double pct_x = Math.Abs(Config.XMin) / total_x;
double pct_y = Math.Abs(Config.YMax) / total_y;
int origin_xi = (int)(pct_x * (double)Config.XCount);
int origin_yi = (int)(pct_y * (double)Config.YCount);
double origin_xp = origin_xi * Config.XIncrement + Config.XStart + 1;
double origin_yp = origin_yi * Config.YIncrement + Config.YStart + 1;
var axisLine = CreateLine(0, origin_yp, AttachedCanvas.ActualWidth, origin_yp);
axisLine.Stroke = new SolidColorBrush(Colors.Black);
if (axisLineX != null)
{
GetBaseLayer().RemoveComponent(axisLineX);
axisLineX.Shapes.Clear();
}
else
{
axisLineX = new CanvasComponent();
}
axisLineX.AddUiElement(axisLine);
GetBaseLayer().AddComponent(axisLineX);
axisLine = CreateLine(origin_xp, 0, origin_xp, AttachedCanvas.ActualHeight);
axisLine.Stroke = new SolidColorBrush(Colors.Black);
if (axisLineY != null)
{
GetBaseLayer().RemoveComponent(axisLineY);
axisLineY.Shapes.Clear();
}
else
{
axisLineY = new CanvasComponent();
}
axisLineY.AddUiElement(axisLine);
GetBaseLayer().AddComponent(axisLineY);
}
public void DrawLineUsingIndexes(int xi1, int yi1, int xi2, int yi2)
{
double xp1 = xi1 * Config.XIncrement + Config.XStart;
double yp1 = yi1 * Config.YIncrement + Config.YStart;
double xp2 = xi2 * Config.XIncrement + Config.XStart;
double yp2 = yi2 * Config.YIncrement + Config.YStart;
var line = new Line();
line.Stroke = new SolidColorBrush(Colors.Red);
line.StrokeThickness = 1;
line.Fill = new SolidColorBrush(Colors.Red);
line.X1 = xp1;
line.Y1 = yp1;
line.X2 = xp2;
line.Y2 = yp2;
line.Tag = new LineModel
{
StartPoint = new Vector(xp1, yp1, xi1, yi1),
EndPoint = new Vector(xp2, yp2, xi2, yi2)
};
var cc = new CanvasComponent();
cc.AddUiElement(line);
ActiveLayer.AddComponent(cc);
}
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);
}
public void AddInputLine(int xi1, int yi1, int xi2, int yi2)
{
double xp1 = xi1 * Config.XIncrement + Config.XStart;
double yp1 = yi1 * Config.YIncrement + Config.YStart;
double xp2 = xi2 * Config.XIncrement + Config.XStart;
double yp2 = yi2 * Config.YIncrement + Config.YStart;
if (InputLines.Count > 0)
{
InputLines[InputLines.Count - 1].HighlightLevel = 0;
}
EventBus.Publish <LineSetUpdated>(new LineSetUpdated
{
Label = "Raw Input",
Lines = InputLines
});
InputLines.Add(new LineModel {
StartPoint = new Vector(xp1, yp1, xi1, yi1),
EndPoint = new Vector(xp2, yp2, xi2, yi2),
HighlightLevel = 1
});
var line = new Line();
line.Stroke = new SolidColorBrush(Colors.Red);
line.StrokeThickness = 3;
line.Fill = new SolidColorBrush(Colors.Red);
line.Tag = InputLines[InputLines.Count - 1];
line.X1 = xp1;
line.Y1 = yp1;
line.X2 = xp2;
line.Y2 = yp2;
var cc = new CanvasComponent();
cc.AddUiElement(line);
GetInputLayer().AddComponent(cc);
}
public void AddInputPoint(int xi, int yi, double xp, double yp)
{
double cxp = xi * Config.XIncrement + Config.XStart;
double cyp = yi * Config.YIncrement + Config.YStart;
InputPoints.Add(new Vector {
X = xp, Y = yp, HighlightLevel = 1,
Alternates = new CanvasPoint {
DotIndexLeft = xi, DotIndexTop = yi, DotTopPostOffset = -3, DotLeftPostOffset = -3
}
});
if (InputPoints.Count > 0)
{
InputPoints[InputPoints.Count - 1].HighlightLevel = 0;
}
EventBus.Publish <PointSetUpdated>(new PointSetUpdated
{
Label = "Raw Input",
Points = InputPoints
});
double size = 6;
double offset = size / 2;
var ellipse = CreateEllipse(size, cxp - offset, cyp - offset);
ellipse.Tag = InputPoints[InputPoints.Count - 1];
ellipse.Stroke = new SolidColorBrush(Colors.Blue);
var cc = new CanvasComponent();
cc.AddUiElement(ellipse);
GetInputLayer().AddComponent(cc);
}