README.md in podoff-1.2.4 vs README.md in podoff-1.3.0

@@ -235,29 +235,55 @@
   def insert_contents(obj_or_ref)
 ```
 
 ### Podoff::Stream
 
-TODO
+Here are the methods used to write to streams.
 
 ```ruby
 class Podoff::Stream
 
   # set the current font and font size for the stream
   #
   def tf(font_name, font_size)
-  alias :font :tf
+  alias font tf
 
   # set the current color for the stream
   #
   def rg(red, green, blue)
-  alias :rgb :rg
-  alias :color :rg
+  def rg(string) # like '#fffff' or 'white'
+  alias rgb rg
+  alias color rg
 
   # write a piece of text at a given position
   #
   def bt(x, y, text)
-  alias :text :bt
+  def bt(x, y, text, rgb: 'blue')
+  alias text bt
+
+  # draw a rectangle
+  #
+  def re(x, y, *a)
+  alias rect re
+  alias rectangle re
+    #
+  st.re(10, 20, 30, 40, rgb: [ 0.0, 0.0, 0.0 ])
+  st.rect(11, 21, w: 31, h: 41, rgb: [ 0.1, 0.1, 0.1 ])
+  st.rectangle(12, 22, 32, 42, rgb: [ 0.2, 0.2, 0.2 ])
+  # ...
+
+  # draw a line
+  #
+  def line(x0, y0, x1, y1, *a)
+    #
+  st.line(1, 1, 2, 2)
+  st.line(1, 1, 2, 2, 3, 3)
+  st.line([ 1, 1 ], [ 2, 2 ], [ 3, 3 ])
+  st.line([ 1, 1 ], [ 2, 2 ], [ 3, 3 ], rgb: [ 0.5, 0.5, 0.5 ])
+  st.line(1, 1, 2, 2, rgb: [ 0.7, 0.7, 0.7 ])
+  # ...
+  st.line(1, 1, 2, 2, rgb: [ 0.7, 0.7, 0.7 ], width: 0.3)
+  # ...
 ```
 
 
 ## disclaimer