/// <summary>
/// Exports a figure, which was created by Potrace to a Bitmap.
/// </summary>
/// <param name="Fig">Arraylist, which contains vectorinformations about the Curves</param>
/// <param name="Width">Width of the Bitmap</param>
/// <param name="Height">Height of the Bitmap</param>
/// <returns></returns>
public static Bitmap Export2GDIPlus(ArrayList Fig, int Width, int Height)
{
Image I = new Bitmap(Width, Height);
Graphics g = Graphics.FromImage(I);
g.FillRectangle(new SolidBrush(Color.White), 0, 0, Width, Height);
GraphicsPath gp = new GraphicsPath();
for (int i = 0; i < Fig.Count; i++)
{
ArrayList CurveArray = (ArrayList)Fig[i];
GraphicsPath Contour = null;
GraphicsPath Hole = null;
GraphicsPath Current = null;
for (int j = 0; j < CurveArray.Count; j++)
{
if (j == 0)
{
Contour = new GraphicsPath();
Current = Contour;
}
else
{
Hole = new GraphicsPath();
Current = Hole;
}
Potrace.Curve[] Curves = (Potrace.Curve[])CurveArray[j];
float factor = 1;
for (int k = 0; k < Curves.Length; k++)
{
if (Curves[k].Kind == Potrace.CurveKind.Bezier)
{
Current.AddBezier((float)Curves[k].A.x * factor, (float)Curves[k].A.y * factor, (float)Curves[k].ControlPointA.x * factor, (float)Curves[k].ControlPointA.y * factor,
(float)Curves[k].ControlPointB.x * factor, (float)Curves[k].ControlPointB.y * factor, (float)Curves[k].B.x * factor, (float)Curves[k].B.y * factor);
}
else
{
Current.AddLine((float)Curves[k].A.x * factor, (float)Curves[k].A.y * factor, (float)Curves[k].B.x * factor, (float)Curves[k].B.y * factor);
}
}
if (j > 0)
{
Contour.AddPath(Hole, false);
}
}
gp.AddPath(Contour, false);
}
g.FillPath(Brushes.Black, gp);
return((Bitmap)I);
}
/// <summary>
/// potrace draw
/// </summary>
private void draw()
{
if (ListOfCurveArray == null)
{
return;
}
Graphics g = Graphics.FromImage(pictureBox1.Image);
GraphicsPath gp = new GraphicsPath();
for (int i = 0; i < ListOfCurveArray.Count; i++)
{
ArrayList CurveArray = (ArrayList)ListOfCurveArray[i];
GraphicsPath Contour = null;
GraphicsPath Hole = null;
GraphicsPath Current = null;
for (int j = 0; j < CurveArray.Count; j++)
{
if (j == 0)
{
Contour = new GraphicsPath();
Current = Contour;
}
else
{
Hole = new GraphicsPath();
Current = Hole;
}
Potrace.Curve[] Curves = (Potrace.Curve[])CurveArray[j];
float factor = 1;
if (checkBox2.Checked)
{
factor = (trackBar1.Value + 1);
}
for (int k = 0; k < Curves.Length; k++)
{
if (Curves[k].Kind == Potrace.CurveKind.Bezier)
{
Current.AddBezier((float)Curves[k].A.x * factor, (float)Curves[k].A.y * factor, (float)Curves[k].ControlPointA.x * factor, (float)Curves[k].ControlPointA.y * factor,
(float)Curves[k].ControlPointB.x * factor, (float)Curves[k].ControlPointB.y * factor, (float)Curves[k].B.x * factor, (float)Curves[k].B.y * factor);
}
else
{
Current.AddLine((float)Curves[k].A.x * factor, (float)Curves[k].A.y * factor, (float)Curves[k].B.x * factor, (float)Curves[k].B.y * factor);
}
}
if (j > 0)
{
Contour.AddPath(Hole, false);
}
}
gp.AddPath(Contour, false);
}
if (checkBox1.Checked)
{
g.DrawPath(Pens.Red, gp);
}
if (checkBox2.Checked)
{
showPoints();
}
}
/// <summary>
/// Zeichnet das erzeugte Vektorbild auf dem PictureBox
/// </summary>
void Draw()
{
if (ListOfCurveArray == null)
{
return;
}
Bitmap neuImage = new Bitmap(this.tableLayoutPanel1.Width / 2, this.tableLayoutPanel1.Height / 2);
vectorizedImage_pictBox.Image = neuImage;
Graphics neueZeichnung = Graphics.FromImage(neuImage);
GraphicsPath neuerPfad = new GraphicsPath();
for (int i = 0; i < ListOfCurveArray.Count; i++)
{
ArrayList CurveArray = (ArrayList)ListOfCurveArray[i];
GraphicsPath Contour = null;
GraphicsPath Hole = null;
GraphicsPath Current = null;
for (int j = 0; j < CurveArray.Count; j++)
{
if (j == 0)
{
Contour = new GraphicsPath();
Current = Contour;
}
else
{
Hole = new GraphicsPath();
Current = Hole;
}
Potrace.Curve[] Curves = (Potrace.Curve[])CurveArray[j];
for (int k = 0; k < Curves.Length; k++)
{
if (Curves[k].Kind == Potrace.CurveKind.Bezier)
{
Current.AddBezier((float)Curves[k].A.X, (float)Curves[k].A.Y, (float)Curves[k].ControlPointA.X, (float)Curves[k].ControlPointA.Y,
(float)Curves[k].ControlPointB.X, (float)Curves[k].ControlPointB.Y, (float)Curves[k].B.X, (float)Curves[k].B.Y);
}
else
{
Current.AddLine((float)Curves[k].A.X, (float)Curves[k].A.Y, (float)Curves[k].B.X, (float)Curves[k].B.Y);
}
}
if (j > 0)
{
Contour.AddPath(Hole, false);
}
neuerPfad.AddPath(Contour, false);
}
}
if (befuellen_CheckBox.Checked)
{
neueZeichnung.FillPath(Brushes.DarkCyan, neuerPfad);
}
if (tracing_checkBox.Checked)
{
neueZeichnung.DrawPath(Pens.Black, neuerPfad);
}
if (punkte_anzeigen_checkbox.Checked)
{
Punkte_anzeigen();
}
}
