[hamster-applet] two functions - whan that turns whatever into color with normalized components.

[Toms Baugis <tbaugis src gnome org>]

commit 625462ff722a134e29dacd75b4af25a159d29e52
Author: Toms Bauģis <toms baugis gmail com>
Date:   Thu Nov 26 22:24:24 2009 +0000

    two functions - whan that turns whatever into color with normalized components.
    the other returns same thing just in 0..255 range.
    
    handy when you don't know in which format the color has been fed in

 hamster/graphics.py |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/hamster/graphics.py b/hamster/graphics.py
index b308b95..226cf1f 100644
--- a/hamster/graphics.py
+++ b/hamster/graphics.py
@@ -77,10 +77,18 @@ class Area(gtk.DrawingArea):
         w, h = self.layout.get_pixel_size()
         return w, h
         
-        
-    def set_color(self, color, opacity = None):
+    def normalize_rgb(self, color):
+        #if any of values is over 1 - that means color has been entered in 0-255 range and we should normalize it
         if color[0] > 1 or color[1] > 0 or color[2] > 0:
             color = [c / 255.0 for c in color]
+        return color
+    
+    def rgb(self, color):
+        #return color that has each component in 0..255 range
+        return [c*255 for c in self.normalize_rgb(color)]
+        
+    def set_color(self, color, opacity = None):
+        color = self.normalize_rgb(color)
 
         if opacity:
             self.context.set_source_rgba(color[0], color[1], color[2], opacity)