Canvas.fontsize | LuaRT free and open source Windows programming framework for Lua

Canvas.fontsize readwrite property

Get or set the current Canvas font size, a number, expressed "Device-Independent Pixel" units. A DIP equals 1/96 inch.

Example


local ui = require "ui"
require "canvas"

-- create a fixed Window
local win = ui.Window("Canvas:align() sample", "fixed", 320, 200)

-- create a Canvas
local canvas = ui.Canvas(win)

-- align the Canvas in all of its parent area 
canvas.font = "Arial"
canvas.fontsize = 18

-- don't use onPaint() event, draw only once
for i=1, 9 do
  canvas.fontsize = i*5
  canvas:print(canvas.font, 6, i*17, math.random(0xFFFFFFFF))
end

ui.run(win):wait()