getcolors used to return 255-based rgbs for white color if string, bu…

…t vcs expects 100-based rgbs (#239)

tests/test_vcs_getcolors_white_rgb.py

@@ -0,0 +1,14 @@
+import unittest
+import vcs
+
+class VCSGetcolors(unittest.TestCase):
+    def testGetColorsRGB(self):
+        for white_color in ["white","black","green","blue","pink","salmon","grey"]:
+            colors = vcs.getcolors([-0.5,-0.2,0.2,0.5], white=white_color)
+            for color in colors:
+                if isinstance(color,(list,tuple)):
+                    r,g,b = color
+                    self.assertTrue(r<=100.)
+                    self.assertTrue(g<=100.)
+                    self.assertTrue(b<=100.)
+

vcs/utils.py

@@ -1549,7 +1549,7 @@ def getcolors(levs, colors=None, split=1, white="white"):
             split = 1
     # Take care of argument white
     if isinstance(white, basestring):
-        white = genutil.colors.str2rgb(white)
+        white = [value/2.55 for value in genutil.colors.str2rgb(white)]
 
     # Gets first and last value, and adjust if extensions
     mn = levs[0]