-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=65816 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ -- Indicator profile initialization routine -- Defines indicator profile properties and indicator parameters -- TODO: Add minimal and maximal value of numeric parameters and default color of the streams function Init() indicator:name("RSI Value on Chart"); indicator:description(""); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", " Period","" , 14); indicator.parameters:addGroup("Placement"); indicator.parameters:addString("Y", " Y Placement","" , "Top"); indicator.parameters:addStringAlternative("Y", "Top", "Top" , "Top"); indicator.parameters:addStringAlternative("Y", "Bottom", "Bottom" , "Bottom"); indicator.parameters:addString("X", " X Placement","" , "Right"); indicator.parameters:addStringAlternative("X", "Right", "Right" , "Right"); indicator.parameters:addStringAlternative("X", "Left", "Left" , "Left"); indicator.parameters:addInteger("ShiftY", "Shift","" , 0); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Label", "Label Color", "", core.rgb(0, 0, 0)); indicator.parameters:addInteger("Size", "Font Size", "", 20); indicator.parameters:addColor("color", "Line Color", "", core.rgb(255, 0, 0)); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- TODO: Refine the first period calculation for each of the output streams. -- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries -- Parameters block local RSI; local first; local source = nil; local X,Y; local font; local Label; local Size; local ShiftY; -- Routine function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")"; instance:name(name); if (nameOnly) then return; end Y=instance.parameters.Y; X=instance.parameters.X; Period=instance.parameters.Period; ShiftY=instance.parameters.ShiftY; Label=instance.parameters.Label; Size=instance.parameters.Size; source = instance.source; RSI = core.indicators:create("RSI",source, Period); first=RSI.DATA:first(); instance:ownerDrawn(true); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period,mode) RSI:update(mode); end local init = false; function Draw(stage, context) if stage~= 2 then return; end if not init then context:createFont (1, "Arial", context:pointsToPixels (Size), context:pointsToPixels (Size), 0); init = true; end local Text1= "RSI : " .. win32.formatNumber( RSI.DATA[RSI.DATA:size()-1], false, source:getPrecision()); local i=1; width, height = context:measureText (1, Text1, 0); context:drawText (1, Text1, Label, -1, iX(context,width,0,1) , iY(context,height,i,0) ,iX(context,width,0,2),iY(context,height,i,1), 0 ); end function iX(context, width,Shift,x) if X== "Left" then return context:left()+ Shift*width + width*(x-1) ; else return context:right() - width*Shift - width*(1-(x-1)); end end function iY(context, height,Index , Line) if Y== "Top" then return context:top()+Index*height +ShiftY*height + Line *height; else if Line== 1 then return context:bottom()-(Index+1)*height -ShiftY*height + height; else return context:bottom()-(Index+1)*height -ShiftY*height; end end end