#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("PVT");
}
#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 PP levels.
DrawingRegisterPen("Pivot Point", new int[] {
22 ,81, 238, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the resistance levels.
DrawingRegisterPen("Resistance", new int[] {
22 ,81, 238, 255
}, C_DashStyle.SOLID, 2);
// Register the pen with which to draw the support levels.
DrawingRegisterPen("Support", new int[] {
22 ,81, 238, 255
}, 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);
// Get yesterdays high.
double yesterdaysHigh = SessionHigh(1);
// Get yesterdays low.
double yesterdaysLow = SessionLow(1);
// Get yesterdays close.
double yesterdaysClose = SessionClose(1);
// Calculate the pivot point.
double pp = (yesterdaysHigh + yesterdaysLow + yesterdaysClose) / 3;
// Resistane level 1
double R1 = (pp * 2) - yesterdaysLow;
// Resistance level 2
double R2 = pp + (yesterdaysHigh - yesterdaysLow);
// Resistance level 3
double R3 = 2 * pp + (yesterdaysHigh - 2 * yesterdaysLow);
// Resistance level 4
double R4 = 3 * pp + (yesterdaysHigh - 3 * yesterdaysLow);
// Support level 1
double S1 = (pp * 2) - yesterdaysHigh;
// Support level 2
double S2 = pp - (yesterdaysHigh - yesterdaysLow);
// Support level 3
double S3 = 2 * pp - (2 * yesterdaysHigh - yesterdaysLow);
// Support level 4
double S4 = 3 * pp - (3 * yesterdaysHigh - yesterdaysLow);
// Adjust the first anchor point to be on the pivot point.
DrawingSetAnchorPoint(0, x1, pp);
// Adjust the second anchor point to be on the pivot point.
DrawingSetAnchorPoint(1, x2, pp);
// Draw the Pivot Point line.
DrawingSetLine("Pivot Point", x1, pp, "PP", x2, pp, "PP");
// Draw the R1 line.
DrawingSetLine("Resistance", x1, R1, "R1", x2, R1, "R1");
// Draw the R2 line.
DrawingSetLine("Resistance", x1, R2, "R2", x2, R2, "R2");
// Draw the R3 line.
DrawingSetLine("Resistance", x1, R3, "R3", x2, R3, "R3");
// Draw the R4 line.
DrawingSetLine("Resistance", x1, R4, "R4", x2, R4, "R4");
// Draw the S1 line.
DrawingSetLine("Support", x1, S1, "S1", x2, S1, "S1");
// Draw the S2 line.
DrawingSetLine("Support", x1, S2, "S2", x2, S2, "S2");
// Draw the S3 line.
DrawingSetLine("Support", x1, S3, "S3", x2, S3, "S3");
// Draw the S4 line.
DrawingSetLine("Support", x1, S4, "S4", x2, S4, "S4");
}
#endregion
}
}