private StartedLineState(GraphVisual graphVisual, NumEllipse startingEllipse, Line workingLine, double weight)
: base(graphVisual)
{
StartingEllipse = startingEllipse;
WorkingLine = workingLine;
Weight = weight;
}
public static StartedLineState Create(GraphVisual graphVisual, NumEllipse startingEllipse, Point currentPoint)
{
var ellipseCenter = startingEllipse.Ellipse.GetCanvasCenter();
var weight = (graphVisual.MinWeight + graphVisual.MaxWeight) / 2.0;
var thickness = (graphVisual.MinLineThickness + graphVisual.MaxLineThickness) / 2.0;
var line = LineUtils.CreateLine(ellipseCenter, currentPoint, graphVisual.LineBrush, thickness, graphVisual.PenLineCap);
graphVisual.Canvas.Children.Add(line);
return(new StartedLineState(graphVisual, startingEllipse, line, weight));
}
private void pictureBox1_Paint(object sender, PaintEventArgs e)
{
if (Case == 1)
{
if (PenCase == 1)
{
pen = new Pen(color, size)
{
StartCap = System.Drawing.Drawing2D.LineCap.Round
};
if (curPoints.Count > 1)
{
e.Graphics.DrawCurve(pen, curPoints.ToArray());
}
}
else if (PenCase == 2)
{
pen = new Pen(color, size)
{
StartCap = System.Drawing.Drawing2D.LineCap.Round
};
if (curPoints.Count > 1)
{
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
e.Graphics.DrawCurve(pen, curPoints.ToArray());
}
}
// other lines or curves
foreach (List <Point> points in allPoints)
{
if (points.Count > 1)
{
pen = new Pen(color, size)
{
StartCap = System.Drawing.Drawing2D.LineCap.Round
};
if (PenCase == 1)
{
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
}
else if (PenCase == 2)
{
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
}
e.Graphics.DrawCurve(pen, points.ToArray());
}
}
allPoints.Clear();
}
else if (Case == 2)
{
Pen p = new Pen(Color.Red, 3);
e.Graphics.DrawRectangle(p, Rect);
}
else if (Case == 4)
{
if (NumEllipse < 100)
{
if (stopdraw % 2 == 0)
{
string str = NumEllipse.ToString();
Font f = new Font("arial", 15, FontStyle.Bold);
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
e.Graphics.FillEllipse(Brushes.Blue, P1.X, P1.Y, 30, 30);
e.Graphics.DrawEllipse(Pens.White, P1.X, P1.Y, 28, 28);
if (str.Length == 1)
{
P1.X = P1.X + 6;
}
else
{
P1.X = P1.X + 1;
}
e.Graphics.DrawString(str, f, Brushes.White, P1.X, P1.Y + 3);
NumEllipse += 1;
}
else
{
return;
}
}
else
{
NumEllipse = 1;
}
}
else if (Case == 5)
{
pen = new Pen(Color.Red, 8)
{
StartCap = System.Drawing.Drawing2D.LineCap.Round
};
pen.EndCap = LineCap.ArrowAnchor;
pen.StartCap = LineCap.RoundAnchor;
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
e.Graphics.DrawLine(pen, RectStartPoint, PLine);
}
}
