-- Id: 13564 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=61794 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Patreon : https://goo.gl/GdXWeN | --| Paypal : https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Highest Low Lowest High"); indicator:description("Highest Low Lowest High"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Number of Elements", "Number of Elements", 10); indicator.parameters:addGroup("Style"); indicator.parameters:addInteger("Size", "Arrow Size", "Size", 10); indicator.parameters:addColor("Up", "Color of Up", "Color of Up", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Color of Down", "Color of Down", 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 first; local source = nil; local Flag; local Size; local Down, Up; local Top, Bottom; local Period; -- Routine function Prepare(nameOnly) source = instance.source; Size=instance.parameters.Size; Down=instance.parameters.Down; Up=instance.parameters.Up; Period=instance.parameters.Period; first = source:first(); local name = profile:id() .. "(" .. source:name() .. ")"; instance:name(name); if (not (nameOnly)) then Flag = instance:addInternalStream(0, 0); instance:ownerDrawn(true); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period) if period < 2 then return; end Calculate(period); end function Calculate(period) local curr = source.high[period - 2]; if (curr > source.high[period - 4] and curr > source.high[period - 3] and curr > source.high[period - 1] and curr > source.high[period]) then Flag[period-2]=1; end curr = source.low[period - 2]; if (curr < source.low[period - 4] and curr < source.low[period - 3] and curr < source.low[period - 1] and curr < source.low[period]) then Flag[period-2]=-1; end end local init = false; function Draw(stage, context) if stage ~= 2 then return; end if not init then context:createFont (1, "Wingdings", context:pointsToPixels (Size), context:pointsToPixels (Size), 0); init = true; end Find(context:firstBar (), context:lastBar ()); for i= 1, math.min(#Top,Period), 1 do x, x1, x2 =context:positionOfBar (Top[i]); width, height= context:measureText (1, "\217", 0) visible, y = context:pointOfPrice (source.high[Top[i]]); context:drawText (1, "\217", Up, -1, x-width/2, y-height, x+width/2, y, 0 ); end for i= 1, math.min( #Bottom,Period), 1 do x, x1, x2 = context:positionOfBar (Bottom[i]); width, height= context:measureText (1, "\217", 0) visible, y = context:pointOfPrice (source.low[Bottom[i]]); context:drawText (1, "\218", Down, -1, x-width/2, y, x+width/2, y+height, 0 ); end end function Find(First, Last) Top={}; Bottom={}; for period = First, Last, 1 do if Flag[period]== 1 then AddUp(period); elseif Flag[period]== -1 then AddDown(period); end end end function AddUp(period) if #Top<=Period then Top[#Top+1]= period ; else Top[Period+1]=period end SortUp(); end function AddDown(period) if #Bottom<=Period then Bottom[#Bottom+1]= period; else Bottom[Period+1]=period end SortDown(); end function SortUp(period) for i= #Top, 1 , - 1 do if Top[i]~= nil and Top[i-1 ]~= nil then if source.high[Top[i]] < source.high[Top[i-1]] then Temp=Top[i-1]; Top[i-1]= Top[i]; Top[i]= Temp; end end end end function SortDown(period) for i= #Bottom, 1 , - 1 do if Bottom[i]~= nil and Bottom[i-1 ]~= nil then if source.low[Bottom[i]] > source.low[ Bottom[i-1] ] then Temp=Bottom[i-1]; Bottom[i-1]= Bottom[i]; Bottom[i]= Temp; end end end end