88 lines
3.3 KiB
MQL5
88 lines
3.3 KiB
MQL5
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//+------------------------------------------------------------------+
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//| ResourceFont.mq5 |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2022, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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#property description "Display text with custom font in dynamically changing orientation."
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#property script_show_inputs
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#resource "a_LCDNova3DCmObl.ttf"
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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input string Message = "Hello world!"; // Message
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input uint Seconds = 10; // Demo Time (seconds)
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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const string name = "FONT";
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const int w = (int)ChartGetInteger(0, CHART_WIDTH_IN_PIXELS);
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const int h = (int)ChartGetInteger(0, CHART_HEIGHT_IN_PIXELS);
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// on-chart object to hold bitmap resource
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ObjectCreate(0, name, OBJ_BITMAP_LABEL, 0, 0, 0);
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ObjectSetInteger(0, name, OBJPROP_XDISTANCE, w / 2);
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ObjectSetInteger(0, name, OBJPROP_YDISTANCE, h / 2);
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ObjectSetInteger(0, name, OBJPROP_ANCHOR, ANCHOR_CENTER);
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uint data[], width, height;
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// empty resource for binding with the object
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ArrayResize(data, 1);
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ResourceCreate(name, data, 1, 1, 0, 0, 1, COLOR_FORMAT_ARGB_RAW);
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ObjectSetString(0, name, OBJPROP_BMPFILE, "::" + name);
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const uint timeout = GetTickCount() + Seconds * 1000;
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int angle = 0;
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int remain = 10;
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while(!IsStopped() && GetTickCount() < timeout)
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{
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// apply new angle
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TextSetFont("::a_LCDNova3DCmObl.ttf", -240, 0, angle * 10);
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// generate altered text
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const string text = Message + " (" + (string)remain-- + ")";
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// obtain dimensions of the text, allocate array
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TextGetSize(text, width, height);
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ArrayResize(data, width * height);
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ArrayInitialize(data, 0); // transparent background
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// on vertical orientation exchange the sizes
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if((bool)(angle / 90 & 1))
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{
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const uint t = width;
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width = height;
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height = t;
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}
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// adjust the object dimensions
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ObjectSetInteger(0, name, OBJPROP_XSIZE, width);
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ObjectSetInteger(0, name, OBJPROP_YSIZE, height);
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// draw the text
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TextOut(text, width / 2, height / 2, TA_CENTER | TA_VCENTER, data, width, height,
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ColorToARGB(clrBlue), COLOR_FORMAT_ARGB_RAW);
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// update the resource and the chart
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ResourceCreate(name, data, width, height, 0, 0, width, COLOR_FORMAT_ARGB_RAW);
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ChartRedraw();
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// update the counter
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angle += 90;
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Sleep(1000);
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}
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ObjectDelete(0, name);
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ResourceFree("::" + name);
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}
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//+------------------------------------------------------------------+
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