Add new file

Author: arshadumrethi

rgb2hex.py

@@ -0,0 +1,62 @@
+def rgb_hex():
+  invalid_msg = "Invalid value, enter a value between (0 - 255)"
+
+  red = int(raw_input("Enter red (R) value:"))
+  if red not in range(0,256):
+    print invalid_msg
+
+  green = int(raw_input("Enter green (G) value:"))
+  if green not in range(0,256):
+    print invalid_msg
+
+  blue = int(raw_input("Enter blue (B) value:"))
+  if blue not in range(0,256):
+    print invalid_msg
+
+  val = (red << 16) + (green << 8) + blue
+
+  print "%s" % (hex(val)[2:]).upper()
+
+def hex_rgb():
+  hex_val = raw_input("Enter a hexadecimal value:")
+
+  if len(hex_val) != 6:
+    print "Invalid value entered, value should contain 6 digits"
+    return
+
+  else:
+    hex_val = int(hex_val, 16)
+
+  two_hex_digits = 2 ** 8
+  blue = hex_val % two_hex_digits
+
+  hex_val = hex_val >> 8
+
+  green = hex_val % two_hex_digits
+
+  hex_val = hex_val >> 8
+
+  red = hex_val % two_hex_digits
+
+  print "Red: %s Green: %s Blue: %s" % (red, green, blue)
+
+
+def convert():
+  while True:
+    option = raw_input("Enter 1 to convert RGB to HEX. Enter 2 to convert HEX to RGB. Enter X to Exit:")
+
+    if option == "1":
+    	print "RGB to Hex.."
+    	rgb_hex()
+
+    elif option == "2":
+    	print "Hex to RGB.."
+    	hex_rgb()
+
+    elif option == "X" or option == "x":
+      break
+
+    else:
+      print "Error"
+
+convert()