#region Namespaces
using System;
#endregion
namespace ScriptCode {
/// <summary>
/// Drawing scripts are used for drawing a visual object.
///
/// This script can be used in several ways:
/// (1) It can be used on a chart by clicking the chart in order to set the drawing's anchor points.
/// (2) It can be used from another script by having that script set the drawing's anchor points.
/// </summary>
public partial class MyDrawing : DrawingScriptBase // NEVER CHANGE THE CLASS NAME
{
#region Variables
#endregion
#region OnInitialize
/// <summary>
/// This function is called when a new drawing instance is created.
/// </summary>
/// --------------------------------------------------------------------------------------------------
/// THIS FUNCTION MUST ACCEPT THE SYMBOL INDEX PARAMETER AND SHOULD NOT ACCEPT ANY OTHER PARAMETERS.
/// --------------------------------------------------------------------------------------------------
/// <param name="symbolIndex" type="Symbol" default="">The underlying symbol index for the drawing.</param>
public void OnInitialize(int symbolIndex) {
// Initialize the drawing for the symbol to accept 2 anchor points.
DrawingInitialize(symbolIndex, 2);
// Set the icon for the drawing tool.
DrawingSetIcon("Fibonacci Circles");
}
#endregion
#region OnChartSetup
/// <summary>
/// This function is used for setting up the drawing on the chart and registering its pens (see the DrawingRegisterPen function).
/// </summary>
public override void OnChartSetup() {
// Register the pen with which to draw the 0.0 line.
DrawingRegisterPen("0.0", new int[] {
150, 150, 150, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the 23.6 line.
DrawingRegisterPen("23.6", new int[] {
35, 145, 255, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the 38.2 line.
DrawingRegisterPen("38.2", new int[] {
100, 150, 235, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the 50.0 line.
DrawingRegisterPen("50.0", new int[] {
75, 135, 185, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the 61.8 line.
DrawingRegisterPen("61.8", new int[] {
10, 140, 145, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the 76.4 line.
DrawingRegisterPen("76.4", new int[] {
50, 140, 90, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the 100.0 line.
DrawingRegisterPen("100.0", new int[] {
150, 150, 150, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to fill the circles.
DrawingRegisterPen("Fill", new int[] {
0, 0, 0, 0
}, C_DashStyle.SOLID, 2);
}
#endregion
#region OnDraw
/// <summary>
/// This function is used to draw the drawing by setting all of its anchor points, lines and labels on a virtual canvas.
/// The canvas x-axis values are the date and time of the underlying symbol bars and its y-axis values are the symbol prices.
///
/// The location of the drawing on the canvas is specified by the drawing anchor points, which can either be specified by
/// clicking on a chart or from another script (see the Drawing functions).
/// </summary>
public override void OnDraw() {
// Get the X value of anchor point 0.
int x1 = DrawingAnchorPointBarShift(0);
// Get the Y value of anchor point 0.
double y1 = DrawingAnchorPointValue(0);
// Get the X value of anchor point 1.
int x2 = DrawingAnchorPointBarShift(1);
// Get the Y value of anchor point 1.
double y2 = DrawingAnchorPointValue(1);
int radX = Math.Abs(x2 - x1);
double radY = Math.Abs(y2 - y1);
DrawingSetEllipse("23.6", "Fill", x1, y1, (int)(236d / 1000 * radX), 236d / 1000 * radY, "23.6");
DrawingSetEllipse("38.2", "Fill", x1, y1, (int)(382d / 1000 * radX), 382d / 1000 * radY, "38.2");
DrawingSetEllipse("50.0", "Fill", x1, y1, (int)(500d / 1000 * radX), 500d / 1000 * radY, "50.0");
DrawingSetEllipse("61.8", "Fill", x1, y1, (int)(618d / 1000 * radX), 618d / 1000 * radY, "61.8");
DrawingSetEllipse("76.4", "Fill", x1, y1, (int)(764d / 1000 * radX), 764d / 1000 * radY, "76.4");
DrawingSetEllipse("100.0", "Fill", x1, y1, radX, radY, "100.0");
}
#endregion
}
}