private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Pen thePen = new Pen(Color.Black, 10);
int yOffSet = 10;
// Get all members of the LineCap enum.
Array obj = Enum.GetValues(typeof(LineCap));
// Draw a line with a LineCap member.
for (int x = 0; x < obj.Length; x++)
{
// Get next cap and configure pen.
LineCap temp = (LineCap)obj.GetValue(x);
thePen.StartCap = temp;
thePen.EndCap = temp;
// Print name of LineCap enum.
g.DrawString(temp.ToString(), new Font("Times New Roman", 10),
new SolidBrush(Color.Black), 0, yOffSet);
// Draw a line with the correct cap.
g.DrawLine(thePen, 100, yOffSet, Width - 50, yOffSet);
yOffSet += 40;
}
}
public async Task SetLineCapAsync(LineCap value)
{
this.LineCap = value;
await this.BatchCallAsync(LINE_CAP_PROPERTY, isMethodCall : false, value.ToString().ToLowerInvariant());
}
public void SetLineCap(LineCap value)
{
this.LineCap = value;
this.CallMethod <object>(LINE_CAP_PROPERTY, value.ToString().ToLowerInvariant());
}
private void DrawEndAnchor(LineCap lc, CustomLineCap clc, Color col, float w, PointF pt, float angle, bool ignoreUnsupportedLineCaps)
{
SvgStyledTransformedElement anchor = null;
PointF[] points = null;
switch (lc) {
case LineCap.NoAnchor:
break;
case LineCap.Flat:
// TODO: what is the correct look?
break;
case LineCap.ArrowAnchor:
points = new PointF[3];
points[0] = new PointF(0, -w / 2f);
points[1] = new PointF(-w, w);
points[2] = new PointF(w, w);
anchor = new SvgPolygonElement(points);
break;
case LineCap.DiamondAnchor:
points = new PointF[4];
points[0] = new PointF(0, -w);
points[1] = new PointF(w, 0);
points[2] = new PointF(0, w);
points[3] = new PointF(-w, 0);
anchor = new SvgPolygonElement(points);
break;
case LineCap.RoundAnchor:
anchor = new SvgEllipseElement(0, 0, w, w);
break;
case LineCap.SquareAnchor:
float ww = (w / 3) * 2;
anchor = new SvgRectElement(0 - ww, 0 - ww, ww * 2, ww * 2);
break;
case LineCap.Custom:
if (clc != null)
{
if (!ignoreUnsupportedLineCaps)
throw new SvgGdiNotImpl("DrawEndAnchor custom");
}
break;
default:
if (!ignoreUnsupportedLineCaps)
throw new SvgGdiNotImpl("DrawEndAnchor " + lc.ToString());
break;
}
if (anchor == null)
return;
anchor.Id += "_line_anchor";
anchor.Style.Set("fill", new SvgColor(col));
anchor.Style.Set("stroke", "none");
Matrix rotation = new Matrix();
rotation.Rotate((angle / (float)Math.PI) * 180);
Matrix translation = new Matrix();
translation.Translate(pt.X, pt.Y);
anchor.Transform = new SvgTransformList(_transforms.Result.Clone());
anchor.Transform.Add(translation);
anchor.Transform.Add(rotation);
_cur.AddChild(anchor);
}
