-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=61970 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| 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("Custom ATR Pivot"); indicator:description("Custom ATR Pivot"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("ATR_Period", "ATR Period", "ATR Period", 14); indicator.parameters:addInteger("Period", "Period", "Period", 14); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Top_color", "Color of Top Line", "Color of Top", core.rgb(0, 255, 0)); indicator.parameters:addColor("Bottom_color", "Color of Bottom Line", "Color of Bottom", core.rgb(255, 0, 0)); indicator.parameters:addColor("Color", "Color of Label", "Color of Label", core.rgb(0, 0, 0)); indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("fontwidth", "Font width", "", 10); indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); 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 ATR_Period; local Period; local first; local source = nil; local Color; -- Streams block local ATR = nil; -- Routine function Prepare(nameOnly) ATR_Period = instance.parameters.ATR_Period; Period = instance.parameters.Period; Color = instance.parameters.Color; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(ATR_Period) .. ", " .. tostring(Period) .. ")"; instance:name(name); if (nameOnly) then return; end ATR= core.indicators:create("ATR", source, ATR_Period); first = math.max(Period, ATR.DATA:first()); instance:ownerDrawn(true); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period ) end local init = false; function Draw(stage, context) if stage ~= 2 then return; end if not init then context:createPen (1, context:convertPenStyle (instance.parameters.style), instance.parameters.width, instance.parameters.Top_color); context:createPen (2, context:convertPenStyle (instance.parameters.style), instance.parameters.width, instance.parameters.Bottom_color); context:createFont (3, "Arial", instance.parameters.fontwidth, instance.parameters.fontwidth, 0) init = true; end ATR:update(core.UpdateLast); local period= source:size()-1; if period-Period+1 < source:first() then return; end local Min, Max= mathex.minmax(source, period-Period+1, period); local Top= Max-ATR.DATA[period]; local Bottom= Min+ATR.DATA[period]; visible, y1 = context:pointOfPrice (Top); visible, y2 = context:pointOfPrice (Bottom); context:drawLine (1, context:left (), y1, context:right (), y1); context:drawLine (2,context:left (), y2, context:right (), y2); local text1= string.format("%." .. source:getPrecision() .. "f", Top); local text2= string.format("%." .. source:getPrecision() .. "f", Bottom); local width1, height1 = context:measureText (3,text1, 0); local width2, height2 = context:measureText (3,text2, 0) context:drawText (3, text1, Color, -1, context:right ()-width1, y1-height1, context:right (), y1, 0); context:drawText (3, text2, Color, -1, context:right ()-width2, y2-height2, context:right (), y2, 0); core.host:execute ("setStatus", "Top :" .. text1.. " Bottom :" .. text2 ) end