diff --git a/libGUIDoc/README.md b/libGUIDoc/README.md
new file mode 100644
index 0000000..1f74303
--- /dev/null
+++ b/libGUIDoc/README.md
@@ -0,0 +1,9 @@
+# libGUI
+## Classes
+- [Screen](Screen.md)
+- [ImageFile](ImageFile.md)
+- *[widget.Widget](widget/Widget.md)*
+- [widget.Rectangle](widget/Rectangle.md)
+- [widget.Text](widget/Text.md)
+- [widget.Input](widget/Input.md)
+- [widget.Image](widget/Image.md)
\ No newline at end of file
diff --git a/libGUIDoc/Screen.md b/libGUIDoc/Screen.md
new file mode 100644
index 0000000..d3f0352
--- /dev/null
+++ b/libGUIDoc/Screen.md
@@ -0,0 +1,58 @@
+# Screen
+Group widgets together do draw them, hide or show, enable or disable them.  
+You should always put any widget in at least one Screen as it manage a [frame buffer](https://ocdoc.cil.li/component:gpu#video_ram_buffers) to speed up drawing
+## Constructor
+Take no arguments
+
+## Public methods
+### setVisible
+Set the Screen's visibility. When hidden, no child widgets will be drawn.
+#### Arguments
+- visible : boolean
+
+---
+### enable
+Enable or disable the Screen. When disabled, the trigger event won't be propagated to the children.
+#### Arguments
+- enable : boolean
+
+---
+### isVisible
+Check if the Screen is visible.
+#### Return
+- boolean
+
+---
+### isEnabled
+Check if the Screen is enable.
+#### Return
+- boolean
+
+---
+### addChild
+Add a child to the Screen.
+#### Arguments
+- child : Widget|Screen
+
+---
+### trigger
+Method to call to handle events. Most often a `touch` handler.
+```lua
+local gui = require "libGUI"
+local event = require "event"
+
+local screen = gui.Screen()
+event.listen("touch",function(...) screen:trigger(...) end)
+```
+#### Arguments
+- ... : any. The event infos
+
+---
+### draw
+Draw the child widgets.
+#### Arguments
+- useBuffer : boolean. Should the Screen create a frame buffer to draw in. Default is true.
+## Private methods
+### clickHandler(eventName:string, uuid:string, x:int, y:int, button:int, playerName:string)
+#### Parameter
+`touch` event property.
diff --git a/libGUIDoc/uml.txt b/libGUIDoc/uml.txt
index c04e6a7..42871e4 100644
--- a/libGUIDoc/uml.txt
+++ b/libGUIDoc/uml.txt
@@ -13,7 +13,7 @@ class Screen {
     + bool isEnabled()
     + void addChild(Widget|Screen child)
     + void trigger(...)
-    + void draw()
+    + void draw(bool useBuffer)
     + childs[] Widget
 }
 class ImageFile {
diff --git a/libGUIDoc/widget/Image.md b/libGUIDoc/widget/Image.md
new file mode 100644
index 0000000..ac97f83
--- /dev/null
+++ b/libGUIDoc/widget/Image.md
@@ -0,0 +1,52 @@
+# Image([Widget](Widget.md))
+Display a image. Supported format are `.ppm` and `.pam` both in ASCII or RAW (binary) format.
+
+## Constructor
+- x : int
+- y : int
+- img : string|[ImageFile](ImageFile.md). The image file path
+- drawMethod : int
+
+## Inherited public methods
+- [setX](Widget.md#setx)
+- [setY](Widget.md#sety)
+- [setPos](Widget.md#setpos)
+- [getX](Widget.md#getx)
+- [getY](Widget.md#gety)
+- [getPos](Widget.md#getpos)
+- [setCallback](Widget.md#setcallback)
+- [draw](Widget.md#draw)
+- [collide](Widget.md#collide)
+
+## Public methods
+### getWidth
+#### Return
+- width : int
+---
+### getHeight
+#### Return
+- height: int
+
+---
+### getSize
+#### Return
+- width : int
+- height : int
+
+---
+### setDrawMethod
+Define how a individual pixel is drawn :
+- true : 2 pixels per character (square pixel)
+- false : 1 pixel per character (rectangle pixel)
+#### Argument
+- drawMethod : boolean
+
+---
+### getDrawMethod
+How a individual pixel is drawn :
+- true : 2 pixels per character (square pixel)
+- false : 1 pixel per character (rectangle pixel)
+#### Return
+- drawMethod : boolean
+
+---
\ No newline at end of file
diff --git a/libGUIDoc/widget/Input.md b/libGUIDoc/widget/Input.md
new file mode 100644
index 0000000..dae359f
--- /dev/null
+++ b/libGUIDoc/widget/Input.md
@@ -0,0 +1,57 @@
+# Input([Text](Text.md))
+Get text input from the user.
+The widget must be able to 
+
+## Inherited public methods
+- [setX](Widget.md#setx)
+- [setY](Widget.md#sety)
+- [setPos](Widget.md#setpos)
+- [getX](Widget.md#getx)
+- [getY](Widget.md#gety)
+- [getPos](Widget.md#getpos)
+- [draw](Widget.md#draw)
+- [collide](Widget.md#collide)
+- [setWidth](Rectangle.md#setwidth)
+- [setHeight](Rectangle.mdsetHeight)
+- [setSize](Rectangle.mdd#setsize)
+- [setColor](Rectangle.md#setcolor)
+- [getWidth](Rectangle.md#getwidth)
+- [getHeight](Rectangle.md#getheight)
+- [getSize](Rectangle.mdd#getsize)
+- [getColor](Rectangle.md#getcolor)
+- [getForeground](Text.md#getforeground)
+- [getBackground](Text.md#getbackground)
+- [setForeground](Text.md#setforeground)
+- [setBackground](Text.md#setbackground)  
+
+Do not use :
+- [setCallback](Widget.md#setcallback)
+
+This methods are replaced by [getValue](#getvalue) and [setValue](#setvalue)
+- [getText](Text.md#gettext)
+- [setText](Text.md#settext)
+
+## Public methods
+### setPlaceholder
+If set, the widget will show the placeholder character instead of the normal text. Useful for password prompts
+#### Arguments
+- char : string|nil
+
+---
+### getPlaceholder
+Get the placeholder character.
+#### Return
+- char : string
+
+---
+### getValue
+Get the inputted value. Return a different value than `getText`. Prefer this method.
+#### Return
+- value : string
+---
+### setValue
+Get the inputted value. Should be used instead of `setText`
+#### Arguments
+#### Return
+
+---
\ No newline at end of file
diff --git a/libGUIDoc/widget/Rectangle.md b/libGUIDoc/widget/Rectangle.md
new file mode 100644
index 0000000..4568814
--- /dev/null
+++ b/libGUIDoc/widget/Rectangle.md
@@ -0,0 +1,61 @@
+# Rectangle([Widget](Widget.md))
+Basic rectangle shape.
+
+## Constructor
+- x : int
+- y : int
+- width : int
+- height : int
+- color : int
+
+## Inherited public methods
+- [setX](Widget.md#setx)
+- [setY](Widget.md#sety)
+- [setPos](Widget.md#setpos)
+- [getX](Widget.md#getx)
+- [getY](Widget.md#gety)
+- [getPos](Widget.md#getpos)
+- [setCallback](Widget.md#setcallback)
+- [draw](Widget.md#draw)
+- [collide](Widget.md#collide)
+
+## Public methods
+### setWidth
+#### Arguments
+- width : int
+
+---
+### setHeight
+#### Arguments
+- height : int
+
+---
+### setSize
+#### Arguments
+- width : int
+- height : int
+
+---
+### setColor
+#### Arguments
+- color : int. RGB color
+
+---
+### getWidth
+#### Return
+- width : int
+---
+### getHeight
+#### Return
+- height: int
+
+---
+### getSize
+#### Return
+- width : int
+- height : int
+
+---
+### getColor
+#### Return
+- color : int. RGB color
diff --git a/libGUIDoc/widget/Text.md b/libGUIDoc/widget/Text.md
new file mode 100644
index 0000000..dcf51ef
--- /dev/null
+++ b/libGUIDoc/widget/Text.md
@@ -0,0 +1,59 @@
+# Text([Rectangle](Rectangle.md))
+Display text.
+## Constructor
+- x : int
+- y : int
+- width : int
+- height : int
+- backgroundColor : int
+- text : string
+
+## Inherited public methods
+- [setX](Widget.md#setx)
+- [setY](Widget.md#sety)
+- [setPos](Widget.md#setpos)
+- [getX](Widget.md#getx)
+- [getY](Widget.md#gety)
+- [getPos](Widget.md#getpos)
+- [setCallback](Widget.md#setcallback)
+- [draw](Widget.md#draw)
+- [collide](Widget.md#collide)
+- [setWidth](Rectangle.md#setwidth)
+- [setHeight](Rectangle.md#setheight)
+- [setSize](Rectangle.mdd#setsize)
+- [setColor](Rectangle.md#setcolor)
+- [getWidth](Rectangle.md#getwidth)
+- [getHeight](Rectangle.md#getheight)
+- [getSize](Rectangle.mdd#getsize)
+- [getColor](Rectangle.md#getcolor)
+
+## Public methods
+### getText
+#### Return
+- text : string
+
+---
+### setText
+#### Arguments
+- text : string
+
+---
+### getForeground
+#### Return
+- color : int. RGB color
+
+---
+### getBackground
+#### Return
+- color : int. RGB color
+
+---
+### setForeground
+#### Arguments
+- color : int. RGB color
+
+---
+### setBackground
+#### Arguments
+- color : int. RGB color
+
diff --git a/libGUIDoc/widget/Widget.md b/libGUIDoc/widget/Widget.md
new file mode 100644
index 0000000..1fc5e36
--- /dev/null
+++ b/libGUIDoc/widget/Widget.md
@@ -0,0 +1,64 @@
+# *Widget*
+Abstract class. Define the basic information any widget need.
+## Constructor
+### Arguments
+- x : int
+- y : int
+
+## Abstract public methods
+
+### setPos
+#### Arguments
+- x : int
+- y : int
+
+---
+### setX
+#### Arguments
+ - x : int
+
+---
+### setY
+#### Arguments
+ - y : int
+
+---
+### setCallback
+Set the function called when `trigger` is called. This usually happen when the widget is clicked.
+#### Arguments
+- callback : function
+
+---
+### getX
+#### Return
+- x : int
+
+---
+### getY
+#### Return
+- y : int
+
+---
+### getPos
+#### Return
+- x : int
+- y : int
+
+---
+### *collide*
+Check if the position passed as arguments is on the widget
+#### Arguments
+- x : int
+- y : int
+
+---
+### *draw*
+Draw the widget.
+
+---
+## Public methods
+
+### trigger
+Call the callback method if the widget is enabled. Pass the widget and all arguments passed to it to the callback method.
+### Arguments
+- ... : any
\ No newline at end of file