Update and rename PrinterLib.lua to PrinterLib

PrinterLib

@@ -0,0 +1,99 @@
+-- shell.run("wget http://127.0.0.1:8080/code/printer/printer.lua")
+
+local lib = {}
+local printer
+local xp = 1
+local yp = 1
+local shouldNewPage = false
+
+function lib.init(side)
+    printer = peripheral.wrap(side)
+    if not printer then return nil end
+    return true
+end
+
+function lib.setPrinterObject(obj)
+    printer = obj
+end
+
+function lib.getPrinterObject()
+    return printer
+end
+
+function lib.setPos(x, y)
+    if x ~= nil then
+        xp = x
+    end
+    if y ~= nil then
+        yp = y
+    end
+    printer.setCursorPos(xp, yp)
+end
+
+function lib.getPos()
+    return printer.getCursorPos()
+end
+
+function lib.startPage()
+    xp = 1
+    yp = 1
+    local st = printer.newPage()
+    printer.setCursorPos(xp, yp)
+    shouldNewPage = false
+    return st
+end
+
+function lib.endPage()
+    printer.endPage()
+    shouldNewPage = false
+end
+
+function lib.write(text)
+    data = tostring(text)
+    for i = 1, #data do
+        lib.writeChar(data:sub(i, i))
+    end
+end
+
+function lib.print(text)
+    lib.write(text)
+    lib.writeChar("\n")
+end
+
+function lib.printCenter(text)
+    data = tostring(text)
+    xp = 13-(math.floor(#data/2))
+    lib.print(data)
+end
+
+-------------------
+
+function lib.writeChar(char)
+    if shouldNewPage then
+        local st = false
+        while st == false do
+            st = printer.newPage()
+        end
+        printer.setCursorPos(1, 1)
+        shouldNewPage = false
+    end
+    printer.setCursorPos(xp, yp)
+    if char == "\n" then
+        xp = 0
+        yp = yp + 1
+    else
+        printer.write(char)
+    end
+    
+    xp = xp + 1
+    if xp >= 26 then
+        xp = 1
+        yp = yp + 1
+    end
+    if yp >= 22 then
+        yp = 1
+        shouldNewPage = true
+    end
+end
+
+return lib