public override void DrawRegionRepresentation(Graphics gc, Render.RenderParameter r, Render.IDrawVisitor drawMethods, PointD mousePosition)
{
if (m_Param.Path.PointCount > 0)
{
GraphicsPath fill = new GraphicsPath();
RectangleF rect = m_Param.Path.GetBounds();
PointD refPt = (PointD)rect.Location + ((PointD)rect.Size.ToPointF()) / 2;
// this will draw beyond the shape's location
for (double i = -rect.Height; i < rect.Height; i++)
{
PointD orth = PointD.Orthogonal(m_Param.V);
PointD pt1 = refPt + orth * i * drawMethods.Spacing(m_Param.C);
PointD pt2 = pt1 + m_Param.V * rect.Width * rect.Height;
PointD pt3 = pt1 - m_Param.V * rect.Width * rect.Height;
PointD pt4 = refPt + m_Param.V * i * drawMethods.Spacing(m_Param.C);
PointD pt5 = pt4 + orth * rect.Width * rect.Height;
PointD pt6 = pt4 - orth * rect.Width * rect.Height;
fill.StartFigure();
fill.AddLine((Point)pt2, (Point)pt3);
fill.StartFigure();
fill.AddLine((Point)pt5, (Point)pt6);
}
GraphicsContainer c = gc.BeginContainer();
gc.SetClip( (Tools.Model.VectorPath) m_Param.Path);
gc.DrawPath(r.RegionGuides, fill);
gc.EndContainer(c);
}
}
/*
gc.DrawLine(Pens.Green, new Point(100, 100), new Point(300, 200));
gc.DrawEllipse(Pens.Green, (float)mappedToLine.X, (float)mappedToLine.Y, 4f, 4f);
gc.DrawLine(Pens.Green, 100f, 100f, 100f + (float)normalComponent.X, 100f + (float)normalComponent.Y);
*/
protected override void SecondCache(Render.IDrawVisitor drawMethods)
{
if (m_Param.Path.PointCount == 0)
return;
PointF[] array = ((Tools.Model.VectorPath)m_Param.Path).InternalPath.PathPoints;
// calculate number of lines to show for feedback
int spacing = (int)drawMethods.Spacing(m_Param.C);
int numLines = (int)m_Param.PathThickness / spacing;
// build a number of trace lines
m_traceLines = new List<PointF>[numLines];
for (int j = 0; j < numLines; j++)
m_traceLines[j] = new List<PointF>(array.Length);
// render all the points
for (int i = 1; i < array.Length; i += 2)
{
PointD tangent = new PointD(array[i].X - array[i - 1].X, array[i].Y - array[i - 1].Y);
tangent = tangent / tangent.Magnitude();
PointD normalVector = PointD.Orthogonal(tangent);
PointD pointOnLine = new PointD((array[i].X + array[i - 1].X) / 2.0, (array[i].Y + array[i - 1].Y) / 2.0);
for (int k = 0; k < numLines; k++)
{
PointD testPt = pointOnLine + normalVector * spacing * (k - numLines / 2);
m_traceLines[k].Add((PointF)testPt);
}
//PointD testNormal1 = (testPt1 - pointOnLine);
//testNormal1 = testNormal1 / testNormal1.Magnitude();
//PointD testNormal2 = (testPt2 - pointOnLine);
//testNormal2 = testNormal2 / testNormal2.Magnitude();
//PointD scaledVector1 = testNormal1 * (GetScalar() * 7 * m_Param.C / Math.Pow((m_Param.PtRadius / 2.0) + 10, 0.5));
//PointD scaledVector2 = testNormal2 * (GetScalar() * 7 * m_Param.C / Math.Pow((m_Param.PtRadius / 2.0) + 10, 0.5));
//drawMethods.DrawArrow(gc, r, testPt1, scaledVector1 * Render.DrawHelper.SPEED_AMPLIFIER);
//drawMethods.DrawArrow(gc, r, testPt2, scaledVector2 * Render.DrawHelper.SPEED_AMPLIFIER);
}
}
