lcd.drawNumber(x, y, value [, flags])

Display a number at (x,y)

@status current Introduced in 2.0.0, SHADOWED introduced in 2.2.1

Parameters

  • x,y (positive numbers) starting coordinate

  • value (number) value to display

  • flags (unsigned number) drawing flags:

    • 0 or not specified display with no decimal (like abs())
    • PREC1 display with one decimal place (number 386 is displayed as 38.6)
    • PREC2 display with tow decimal places (number 386 is displayed as 3.86)
    • other general LCD flag also apply
    • SHADOWED Horus only, apply a shadow effect

Return value

none


Examples

lcd/drawNumber-example

function round(num, decimals)
  local mult = 10^(decimals or 0)
  return math.floor(num * mult + 0.5) / mult
end

local function run(event)
  lcd.clear()
  lcd.drawText(1,1,"drawNumber() example", 0)
  local myNumber = 123.456789
  lcd.drawNumber(75, 11, myNumber, 0)
  lcd.drawNumber(75, 21, myNumber, PREC1)
  lcd.drawNumber(75, 31, myNumber, PREC2)
  lcd.drawText(1, 41, "Compare to drawText: " .. myNumber, 0)
  lcd.drawText(1, 51, "Or custom rounding: " .. round(myNumber, 4), 0)
end

return{run=run}

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