This function sets a context's drawing scale.
window = Window:Create()
context = Context:Create(window)
local font = Font:Load("Fonts/Arial.ttf",48)
context:SetFont(font)
while true do
if window:Closed() or window:KeyHit(Key.Escape) then return false end
Time:Update()
local a = Time:GetCurrent()*0.1
context:SetColor(0,0,1)
context:Clear()
--Draw some text centered on the screen
local text = "Hello!"
local x = context:GetWidth()/2
local y = context:GetHeight()/2
local w = font:GetTextWidth(text)
local h = font:GetHeight()
local scale = Math:Sin(a)*0.5 + 1.0
context:SetRotation(a)
context:SetScale(scale,scale)
context:SetTranslation( -(Math:Cos(a)*w - Math:Sin(a)*h)/2 * scale, (-Math:Sin(a)*w - Math:Cos(a)*h)/2 * scale )
context:SetBlendMode(Blend.Alpha)
context:SetColor(1,1,1)
context:DrawText(text,x,y)
context:SetBlendMode(Blend.Solid)
context:Sync()
end