add dedicated backend (WIP)

luigi/font.lua

@@ -1,67 +1,5 @@
 local ROOT = (...):gsub('[^.]*$', '')
 
-local Base = require(ROOT .. 'base')
+local Backend = require(ROOT .. 'backend')
 
-local Font = Base:extend()
-
-local cache = {}
-
-function Font:constructor (path, size, color)
-    if not size then
-        size = 12
-    end
-    if not color then
-        color = { 0, 0, 0 }
-    end
-    local key = (path or '') .. '_' .. size
-
-    if not cache[key] then
-        if path then
-            cache[key] = love.graphics.newFont(path, size)
-        else
-            cache[key] = love.graphics.newFont(size)
-        end
-    end
-
-    self.layout = {}
-    self.font = cache[key]
-    self.color = color
-end
-
-function Font:setAlignment (align)
-    self.layout.align = align
-end
-
-function Font:setWidth (width)
-    self.layout.width = width
-end
-
-function Font:getLineHeight ()
-    return self.font:getHeight()
-end
-
-function Font:getAscender ()
-    return self.font:getAscent()
-end
-
-function Font:getDescender ()
-    return self.font:getDescent()
-end
-
-function Font:getAdvance (text)
-    return (self.font:getWidth(text))
-end
-
-if love._version_minor < 10 then
-    function Font:getWrappedHeight (text)
-        local _, lines = self.font:getWrap(text, self.layout.width)
-        return lines * self.font:getHeight()
-    end
-else
-    function Font:getWrappedHeight (text)
-        local _, lines = self.font:getWrap(text, self.layout.width)
-        return #lines * self.font:getHeight()
-    end
-end
-
-return Font
+return Backend.Font