private void DrawDistorted(Graphics canvas, DistortionHelper distorter, IImageToViewportTransformer transformer, Pen penEdges, Brush brush, Point start, Point end)
{
List <PointF> curve = distorter.DistortLine(points["a"], points["b"]);
List <Point> transformedCurve = transformer.Transform(curve);
if (styleHelper.LineShape == LineShape.Squiggle)
{
canvas.DrawSquigglyLine(penEdges, start, end);
}
else if (styleHelper.LineShape == LineShape.Dash)
{
DashStyle oldDashStyle = penEdges.DashStyle;
penEdges.DashStyle = DashStyle.Dash;
canvas.DrawCurve(penEdges, transformedCurve.ToArray());
penEdges.DashStyle = oldDashStyle;
}
else
{
canvas.DrawCurve(penEdges, transformedCurve.ToArray());
}
miniLabel.SetAttach(curve[curve.Count / 2], true);
if (styleHelper.LineEnding == LineEnding.StartArrow || styleHelper.LineEnding == LineEnding.DoubleArrow)
{
ArrowHelper.Draw(canvas, penEdges, start, end);
}
if (styleHelper.LineEnding == LineEnding.EndArrow || styleHelper.LineEnding == LineEnding.DoubleArrow)
{
ArrowHelper.Draw(canvas, penEdges, end, start);
}
}
private void DrawDistortedLine(Graphics canvas, Pen pen, PointF a, PointF b, ProjectiveMapping projectiveMapping, DistortionHelper distorter, IImageToViewportTransformer transformer)
{
a = projectiveMapping.Forward(a);
b = projectiveMapping.Forward(b);
if (distorter != null && distorter.Initialized)
{
a = distorter.Distort(a);
b = distorter.Distort(b);
List <PointF> curve = distorter.DistortLine(a, b);
List <Point> transformed = transformer.Transform(curve);
canvas.DrawCurve(penEdges, transformed.ToArray());
}
else
{
canvas.DrawLine(pen, transformer.Transform(a), transformer.Transform(b));
}
}
private void DrawDistorted(Graphics canvas, DistortionHelper distorter, IImageToViewportTransformer transformer, Pen penEdges, Point start, Point end)
{
List <PointF> curve = distorter.DistortLine(points["a"], points["b"]);
List <Point> transformedCurve = transformer.Transform(curve);
if (styleHelper.LineShape == LineShape.Squiggle)
{
canvas.DrawSquigglyLine(penEdges, start, end);
}
else if (styleHelper.LineShape == LineShape.Dash)
{
DashStyle oldDashStyle = penEdges.DashStyle;
penEdges.DashStyle = DashStyle.Dash;
canvas.DrawCurve(penEdges, transformedCurve.ToArray());
penEdges.DashStyle = oldDashStyle;
}
else
{
canvas.DrawCurve(penEdges, transformedCurve.ToArray());
}
labelMeasure.SetAttach(curve[curve.Count / 2], true);
}
private bool IsPointInObject(PointF point, DistortionHelper distorter, IImageToViewportTransformer transformer)
{
using (GraphicsPath areaPath = new GraphicsPath())
{
if (points["a"].NearlyCoincideWith(points["b"]))
{
areaPath.AddLine(points["a"].X, points["a"].Y, points["a"].X + 2, points["a"].Y + 2);
}
else
{
if (distorter != null && distorter.Initialized)
{
List <PointF> curve = distorter.DistortLine(points["a"], points["b"]);
areaPath.AddCurve(curve.ToArray());
}
else
{
areaPath.AddLine(points["a"], points["b"]);
}
}
return(HitTester.HitTest(areaPath, point, styleHelper.LineSize, false, transformer));
}
}
