public virtual StencilItem this[ArrowStencilType type]
{
get
{
string key = type.ToString();
return((StencilItem)Dictionary[key]);
}
set
{
string key = type.ToString();
Dictionary[key] = value;
}
}
public virtual StencilItem this[ArrowStencilType type]
{
get
{
string key = type.ToString();
return (StencilItem) Dictionary[key];
}
set
{
string key = type.ToString();
Dictionary[key] = value;
}
}
private void DrawStencilItem(StencilItem stencil, DrawShapeEventArgs e)
{
ArrowStencilType stencilType = (ArrowStencilType)Enum.Parse(typeof(ArrowStencilType), stencil.Key);
Matrix translateMatrix = new Matrix();
if (stencilType == ArrowStencilType.Left || stencilType == ArrowStencilType.Right || stencilType == ArrowStencilType.Up || stencilType == ArrowStencilType.Down)
{
//Draw the arrow using a 100x100 grid
e.Path.AddLine(0, 30, 60, 30);
e.Path.AddLine(60, 30, 60, 0);
e.Path.AddLine(60, 0, 100, 50);
e.Path.AddLine(100, 50, 60, 100);
e.Path.AddLine(60, 100, 60, 70);
e.Path.AddLine(60, 70, 0, 70);
//Close the figure
e.Path.CloseFigure();
//Rotate the path depending on the type of arrow
if (stencilType == ArrowStencilType.Right)
{
translateMatrix.RotateAt(180, new PointF(50, 50));
}
if (stencilType == ArrowStencilType.Up)
{
translateMatrix.RotateAt(-90, new PointF(50, 50));
}
if (stencilType == ArrowStencilType.Down)
{
translateMatrix.RotateAt(90, new PointF(50, 50));
}
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 100, e.Height / 100);
e.Path.Transform(translateMatrix);
}
else if (stencilType == ArrowStencilType.LeftRight || stencilType == ArrowStencilType.UpDown)
{
//Draw the arrow using a 120x100 grid
e.Path.AddLine(40, 30, 80, 30);
e.Path.AddLine(80, 30, 80, 0);
e.Path.AddLine(80, 0, 120, 50);
e.Path.AddLine(120, 50, 80, 100);
e.Path.AddLine(80, 100, 80, 70);
e.Path.AddLine(80, 70, 40, 70);
e.Path.AddLine(40, 70, 40, 100);
e.Path.AddLine(40, 100, 0, 50);
e.Path.AddLine(0, 50, 40, 0);
e.Path.AddLine(40, 0, 40, 30);
if (stencilType == ArrowStencilType.UpDown)
{
translateMatrix.RotateAt(90, new PointF(50, 50));
}
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 120, e.Height / 100);
e.Path.Transform(translateMatrix);
stencil.Options = StencilItemOptions.InnerRectangleFull;
}
else if (stencilType == ArrowStencilType.LeftRightUpDown)
{
//Draw the arrow using a 140x140 grid
e.Path.AddLine(80, 60, 110, 60);
e.Path.AddLine(110, 60, 110, 50);
e.Path.AddLine(110, 50, 140, 70);
e.Path.AddLine(140, 70, 110, 90);
e.Path.AddLine(110, 90, 110, 80);
e.Path.AddLine(110, 80, 80, 80);
e.Path.AddLine(80, 80, 80, 110);
e.Path.AddLine(80, 110, 90, 110);
e.Path.AddLine(90, 110, 70, 140);
e.Path.AddLine(70, 140, 50, 110);
e.Path.AddLine(50, 110, 60, 110);
e.Path.AddLine(60, 110, 60, 80);
e.Path.AddLine(60, 80, 30, 80);
e.Path.AddLine(30, 80, 30, 90);
e.Path.AddLine(30, 90, 0, 70);
e.Path.AddLine(0, 70, 30, 50);
e.Path.AddLine(30, 50, 30, 60);
e.Path.AddLine(30, 60, 60, 60);
e.Path.AddLine(60, 60, 60, 30);
e.Path.AddLine(60, 30, 50, 30);
e.Path.AddLine(50, 30, 70, 0);
e.Path.AddLine(70, 0, 90, 30);
e.Path.AddLine(90, 30, 80, 30);
e.Path.AddLine(80, 30, 80, 60);
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 140, e.Height / 140);
e.Path.Transform(translateMatrix);
}
if (stencilType == ArrowStencilType.Striped)
{
//Draw the arrow using a 100x100 grid
e.Path.AddRectangle(new Rectangle(0, 30, 4, 40));
e.Path.AddRectangle(new Rectangle(8, 30, 8, 40));
e.Path.AddLine(20, 30, 60, 30);
e.Path.AddLine(60, 30, 60, 0);
e.Path.AddLine(60, 0, 100, 50);
e.Path.AddLine(100, 50, 60, 100);
e.Path.AddLine(60, 100, 60, 70);
e.Path.AddLine(60, 70, 20, 70);
//Close the figure
e.Path.CloseFigure();
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 100, e.Height / 100);
e.Path.Transform(translateMatrix);
stencil.Options = StencilItemOptions.InnerRectangleFull;
}
if (stencilType == ArrowStencilType.Notched)
{
//Draw the arrow using a 100x100 grid
e.Path.AddLine(0, 30, 60, 30);
e.Path.AddLine(60, 30, 60, 0);
e.Path.AddLine(60, 0, 100, 50);
e.Path.AddLine(100, 50, 60, 100);
e.Path.AddLine(60, 100, 60, 70);
e.Path.AddLine(60, 70, 0, 70);
e.Path.AddLine(0, 70, 20, 50);
//Close the figure
e.Path.CloseFigure();
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 100, e.Height / 100);
e.Path.Transform(translateMatrix);
}
if (stencilType == ArrowStencilType.Pentagon)
{
//Draw the arrow using a 120x100 grid
e.Path.AddLine(0, 0, 80, 0);
e.Path.AddLine(80, 0, 120, 50);
e.Path.AddLine(120, 50, 80, 100);
e.Path.AddLine(80, 100, 0, 100);
//Close the figure
e.Path.CloseFigure();
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 100, e.Height / 100);
e.Path.Transform(translateMatrix);
}
else if (stencilType == ArrowStencilType.Chevron)
{
//Draw the arrow using a 120x100 grid
e.Path.AddLine(0, 0, 80, 0);
e.Path.AddLine(80, 0, 120, 50);
e.Path.AddLine(120, 50, 80, 100);
e.Path.AddLine(80, 100, 0, 100);
e.Path.AddLine(0, 100, 20, 50);
//Close the figure
e.Path.CloseFigure();
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 100, e.Height / 100);
e.Path.Transform(translateMatrix);
}
else if (stencilType == ArrowStencilType.RightCallout || stencilType == ArrowStencilType.LeftCallout || stencilType == ArrowStencilType.UpCallout || stencilType == ArrowStencilType.DownCallout)
{
//Draw the arrow using a 120x100 grid
e.Path.AddLine(0, 0, 80, 0);
e.Path.AddLine(80, 0, 80, 40);
e.Path.AddLine(80, 40, 90, 40);
e.Path.AddLine(90, 40, 90, 30);
e.Path.AddLine(90, 30, 120, 50);
e.Path.AddLine(120, 50, 90, 70);
e.Path.AddLine(90, 70, 90, 60);
e.Path.AddLine(90, 60, 80, 60);
e.Path.AddLine(80, 60, 80, 100);
e.Path.AddLine(80, 100, 0, 100);
//Close the figure
e.Path.CloseFigure();
//Rotate the matrix depending on type
if (stencilType == ArrowStencilType.LeftCallout)
{
translateMatrix.RotateAt(180, new PointF(60, 50));
}
if (stencilType == ArrowStencilType.UpCallout)
{
translateMatrix.RotateAt(-90, new PointF(60, 50));
}
if (stencilType == ArrowStencilType.DownCallout)
{
translateMatrix.RotateAt(90, new PointF(60, 50));
}
//Scale the matrix and apply it back to the path
translateMatrix.Scale(e.Width / 100, e.Height / 100);
e.Path.Transform(translateMatrix);
}
}