ComputerCraft - AsciiUtils

--]] Ascii Utils, By Redxone [[--

-- ]] Drawing Utils
function loadAscii(file)
    if(fs.exists(file))then
        f = fs.open(file,"r")
        canv = textutils.unserialize(f.readAll())
        f.close()
        if(type(canv) == "table")then
            return canv
        else
            error("Ascii -> LoadAscii[ERROR], Invalid file format. (Not an Ascii)")
        end
    else
        error("Ascii -> LoadAscii[ERROR], No such file.")
    end
end

function drawAscii(art,x,y)
    local w,h = term.getSize()
    if(type(art) == "table")then
        for yy = 0, h-1 do
            for xx = 0, w-1 do
                if(art[yy][xx].char ~= "\127")then
                    term.setCursorPos(xx+x,yy+y)
                    term.setTextColor(tonumber(art[yy][xx].color))
                    write(tostring(art[yy][xx].char))
                end
            end
        end

        term.setTextColor(colors.white)
        term.setBackgroundColor(colors.black)

    else
        error("Ascii -> drawAscii[ERROR], Invalid art format. (Not an Ascii)")
    end
end