Workaround for blurry text in MOAI when Viewport scale is different from device screen resolution.

Flower label blurry text workaround

-- Label will create a bigger sized font and scale it down 
-- if view size is less than screen size. 
function Label:init(text, width, height, font, textSize)
    DisplayObject.init(self)
    local scale = math.min(M.getContentScale())

    -- do not apply scale fix to Bitmap fonts
    if type(font) == "string" then
        local fileBase, fileExt = Resources.extractFileExtension(font)
        if fileExt == ".fnt" then scale = 1 end
    elseif font and font.isBitmap then
        scale = 1
    end
    local textSize = textSize or Font.DEFAULT_POINTS
    textSize = textSize * scale

    font = Resources.getFont(font, nil, textSize)

    self._scaleFix = scale
    self:setScl(1 / scale)
    self:setFont(font)
    self:setSize(width or 10, height or 10)
    self:setTextSize(textSize or Font.DEFAULT_POINTS)
    self:setString(text)

    if not width then
        self:fitSize(#text)
    elseif not height then
        self:fitHeight(#text)
    end

    -- replace some default methods to hide scaling fix
    self._setScl = self.setScl
    self.setScl = function(self, xScl, yScl, zScl)
        xScl = xScl or 1
        self:_setScl(xScl / scale, (yScl or xScl) / scale, (zScl or 1) / scale)
    end

    self._getScl = self.getScl
    self.getScl = function(self)
        local xScl, yScl, zScl = self:_getScl()
        return xScl * scale, yScl * scale, zScl * scale
    end

    self._setTextSize = self.setTextSize
    self.setTextSize = function(self, size)
        self:_setTextSize(size * self._scaleFix)
    end
end

--------------------------------------------------------------------------------
-- Sets the size.
-- @param width Width
-- @param height Height
--------------------------------------------------------------------------------
function Label:setSize(width, height)
    self:setRect(0, 0, width * self._scaleFix, height * self._scaleFix)
end

--------------------------------------------------------------------------------
-- Sets the fit size.
-- @param lenfth (Option)Length of the text.
-- @param maxWidth (Option)maxWidth of the text.
-- @param maxHeight (Option)maxHeight of the text.
-- @param padding (Option)padding of the text.
--------------------------------------------------------------------------------
function Label:getContentSize()
    local w, h = self:getSize()
    return w / self._scaleFix, h / self._scaleFix
end

function Label:getContentWidth()
    local w, h = self:getContentSize()
    return w
end

function Label:getContentHeight()
    local w, h = self:getContentSize()
    return h
end