Add API with basic rectangle functions

src/api.lua

@@ -0,0 +1,23 @@
+local api = {} -- API functions provided to games
+local drawState = {color=15}
+
+local function callGraphic(...)
+	local args = {...}
+	local name = table.remove(args,1)
+	love.graphics.setCanvas(scr)
+	pal.setColor(drawState.color)
+	love.graphics[name](unpack(args))
+	love.graphics.setCanvas()
+end
+
+local function api.rectfill(x,y,w,h,c)
+	drawState.color = c or drawState.color
+	return callGraphic("rectangle","fill",x,y,w,h)
+end
+
+local function api.rect(x,y,w,h,c)
+	drawState.color = c or drawState.color
+	return callGraphic("rectangle","line",x,y,w,h)
+end
+
+return api