-- Id: 13865 -- More information about this indicator can be found at: --http://fxcodebase.com/code/viewtopic.php?f=17&t=62040 --+------------------------------------------------------------------+ --| 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("MTF Moving Average"); indicator:description("MTF Moving Average"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); Add(1 ); Add(2 ); Add(3 ); Add(4 ); Add(5 ); Add(6 ); Add(7 ); Add(8 ); Add(9 ); Add(10 ); Add(11 ); Add(12 ); Add(13 ); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Label", "Label Color", "Color of Label",core.rgb(0, 0, 0)); indicator.parameters:addInteger("Size", "Font Size", "Font Size",10); indicator.parameters:addBoolean("Show", "Show Value", "", false); end function Add(id ) local TF={"m1", "m5","m15", "m30", "H1", "H2", "H3","H4", "H6", "H8", "D1", "W1", "M1"}; indicator.parameters:addGroup(id .. ". Slot"); indicator.parameters:addBoolean("On"..id, "Use This Slot", "", true); indicator.parameters:addString("TF" .. id, "Time Frame", "", TF[id]); indicator.parameters:setFlag("TF" .. id, core.FLAG_PERIODS); indicator.parameters:addString("Price".. id, "Price Source", "", "close"); indicator.parameters:addStringAlternative("Price".. id, "OPEN", "", "open"); indicator.parameters:addStringAlternative("Price".. id, "HIGH", "", "high"); indicator.parameters:addStringAlternative("Price".. id, "LOW", "", "low"); indicator.parameters:addStringAlternative("Price".. id,"CLOSE", "", "close"); indicator.parameters:addStringAlternative("Price".. id, "MEDIAN", "", "median"); indicator.parameters:addStringAlternative("Price".. id, "TYPICAL", "", "typical"); indicator.parameters:addStringAlternative("Price".. id, "WEIGHTED", "", "weighted"); indicator.parameters:addInteger("Period" .. id, "MA Period", "", 14); indicator.parameters:addString("Method".. id, "MA Method", "Method" , "MVA"); indicator.parameters:addStringAlternative("Method".. id, "MVA", "MVA" , "MVA"); indicator.parameters:addStringAlternative("Method".. id, "EMA", "EMA" , "EMA"); indicator.parameters:addStringAlternative("Method".. id, "LWMA", "LWMA" , "LWMA"); indicator.parameters:addStringAlternative("Method".. id, "TMA", "TMA" , "TMA"); indicator.parameters:addStringAlternative("Method".. id, "SMMA", "SMMA" , "SMMA"); indicator.parameters:addStringAlternative("Method".. id, "KAMA", "KAMA" , "KAMA"); indicator.parameters:addStringAlternative("Method".. id, "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters:addStringAlternative("Method".. id, "WMA", "WMA" , "WMA"); indicator.parameters:addColor("Color".. id, "Line Color", "Color of Line",getRainbowColour((1/13)*id)); end function getRainbowColour(ratio) -- Using HSV colour system, where Hue is changed in proportion to ratio ratio = math.max(0, math.min(1, ratio)); -- NOTE: hue is an angular value and can be 0..360, but it wraps around back to 'red' again -- which looks a bit weird so I limit to 300 degrees local hue = 300 * (1 - ratio); -- Convert back to RGB return convertHSVtoRGB(hue, 1, 1); end function convertHSVtoRGB(hue, saturation, value) -- http://en.wikipedia.org/wiki/HSL_and_HSV -- Hue is an angle (0..360), Saturation and Value are both in the range 0..1 local hi = (math.floor(hue / 60)) % 6; local f = hue / 60 - math.floor(hue / 60); value = value * 255; local v = math.floor(value); local p = math.floor(value * (1 - saturation)); local q = math.floor(value * (1 - f * saturation)); local t = math.floor(value * (1 - (1 - f) * saturation)); if hi == 0 then return core.rgb(v, t, p); elseif hi == 1 then return core.rgb(q, v, p); elseif hi == 2 then return core.rgb(p, v, t); elseif hi == 3 then return core.rgb(p, q, v); elseif hi == 4 then return core.rgb(t, p, v); else return core.rgb(v, p, q); end 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 Size, Label; local first; local source = nil; local Source={}; local Number; -- Streams block local Method = {}; local Period = {}; local Price = {}; local TF={}; local loading={}; local MA={}; local Color={}; local Show; -- Routine function Prepare(nameOnly) source = instance.source; first = source:first(); Size= instance.parameters.Size; Label= instance.parameters.Label; Show= instance.parameters.Show; local name = profile:id() .. "(" .. source:name() .. ")"; instance:name(name); if (nameOnly) then return; end Number=0; for i= 1 , 13 , 1 do if instance.parameters:getBoolean("On" .. i) then Number=Number+1; TF[Number]= instance.parameters:getString("TF" .. i); Period[Number]= instance.parameters:getInteger("Period" .. i); Method[Number]= instance.parameters:getString("Method" .. i); Price[Number]= instance.parameters:getString("Price" .. i); Color[Number]= instance.parameters:getColor("Color" .. i); Source[Number] = core.host:execute("getSyncHistory", source:instrument(), TF[Number], source:isBid(), math.min(Period[Number] ,300), 2000 + Number , 1000 +Number); assert(core.indicators:findIndicator(Method[Number]) ~= nil, Method[Number] .. " indicator must be installed"); MA[Number] = core.indicators:create(Method[Number], Source[Number][Price[Number]], Period[Number]); loading[Number] = true; end end core.host:execute ("setTimer", 1, 5); 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 local FLAG=false; for j = 1, Number, 1 do if loading[j] then FLAG= true; end end if FLAG then return; end context:setClipRectangle(context:left(), context:top(), context:right(), context:bottom()); if not init then init =true; for i= 1, Number, 1 do context:createPen (i, context.SOLID, 1, Color[i]) end context:createFont (Number+1, "Arial", context:pointsToPixels (Size), context:pointsToPixels (Size), 0); end local Shift=0; for i= 1, Number, 1 do if MA[i].DATA:hasData(MA[i].DATA:size()-1) then visible, y= context:pointOfPrice (MA[i].DATA[MA[i].DATA:size()-1]); context:drawLine (i, context:left (), y,context:right (), y); local Text= TF[i]; if Show then Text= Text .. " : " .. string.format("%." .. source:getPrecision() .. "f", MA[i].DATA[MA[i].DATA:size()-1]); end width, height = context:measureText (Number+1, Text, 0); Shift=Shift+width; context:drawText (Number+1, Text, Label, -1, context:right()-Shift, y-height, context:right()-Shift +width, y, 0); end end end function AsyncOperationFinished(cookie) local j; local FLAG=false; local Num=0; for j = 1, Number, 1 do if cookie == (1000 + j) then loading[j] = true; elseif cookie == (2000 + j ) then loading[j] = false; end if loading[j] then FLAG= true; Num=Num+1; end end if cookie == 1 and not FLAG then for j = 1, Number, 1 do MA[j]:update(core.UpdateLast); end end if FLAG then core.host:execute ("setStatus", " Loading "..((Number) - Num) .. " / " .. (Number) ); else core.host:execute ("setStatus", "Loaded"); instance:updateFrom(0); end return core.ASYNC_REDRAW ; end