From c5bf957cb89cc223e126eba238f998a317533b6b Mon Sep 17 00:00:00 2001
From: Sébastien Dailly <sebastien@chimrod.com>
Date: Wed, 1 May 2019 19:32:21 +0200
Subject: Update theme

---
 theme/scripts/colors.py | 69 +++++++++++++++++++++++++++++++++----------------
 1 file changed, 47 insertions(+), 22 deletions(-)

(limited to 'theme/scripts')

diff --git a/theme/scripts/colors.py b/theme/scripts/colors.py
index e78dd3a..17433be 100644
--- a/theme/scripts/colors.py
+++ b/theme/scripts/colors.py
@@ -7,10 +7,30 @@ import colorsys
 def define(saturation, value):
 
     def showColor(hue):
-        return colorsys.hsv_to_rgb(hue, saturation, value)
+        return colorsys.hsv_to_rgb((1.0 + hue)%1.0, (1.0 + saturation)%1.0, (1.0 + value)%1.0)
 
     return showColor
 
+
+class Hering(object):
+    """ Create the palette with the Hering circle
+    https://fr.wikipedia.org/wiki/Cercle_chromatique#Hering
+    """
+
+    def of_value(self, angle):
+        angle = (angle + 360) % 360
+        if angle < 120:
+            return (angle * 1.5)
+        else:
+            return (180 + (angle - 120) * 0.75)
+
+    def to_value(self, angle):
+        angle = (angle + 360) % 360
+        if angle < 180:
+            return (angle * 2. / 3.)
+        else:
+            return (120 + ((angle - 180) * 4. / 3.))
+
 def showColor(theme, hue):
 
     r, g, b = theme(hue / 360.)
@@ -20,45 +40,50 @@ if __name__ == "__main__":
 
     if len(sys.argv) < 5:
         print "Usage :"
-        print "color.py SHIFT LIGHT_SATURATION DARK_SATURATION LIGHT_VALUE DARK_VALUE ANGLE"
+        print "color.py LIGHT_SATURATION DARK_SATURATION LIGHT_VALUE DARK_VALUE MIN_ANGLE MAX_ANGLE"
         sys.exit(1)
 
-    shift = int(sys.argv[1])
-    light_s = int(sys.argv[2])/100.
-    dark_s =  int(sys.argv[3])/100.
-    light_v = int(sys.argv[4])/100.
-    dark_v =  int(sys.argv[5])/100.
-    angle = 60
-    angle =  int(sys.argv[6])
+    shift = 0
+    light_s = int(sys.argv[1])/100.
+    dark_s =  int(sys.argv[2])/100.
+    light_v = int(sys.argv[3])/100.
+    dark_v =  int(sys.argv[4])/100.
+    angle =   int(sys.argv[5])
+    angle2 =  int(sys.argv[6])
 
     colors = [
 
-        1,    # red
-        3,   # yellow
-        2,   # green
-        6,  # cyan
-        4,  # blue
-        5,  # magenta
+        0,    # red
+        2,   # yellow
+        1,   # green
+        5,  # cyan
+        3,  # blue
+        4,  # magenta
 
     ]
 
+    h = Hering()
+
     print "!This theme has been generated with the command"
     print "!colors.py %s %s %s %s %s %s" % (sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4], sys.argv[5], sys.argv[6])
     dark_theme = define(dark_s, dark_v)
     light_theme = define(light_s, light_v)
+    h_angle = h.of_value(angle)
+    h_angle2 = h.of_value(angle2)
+    delta = (360 + (h_angle2 - h_angle))% 360 / 6.0
     for name in colors:
 
-        value = name * angle
+        value = h.to_value(angle + name * delta)
 
-        dark  = showColor(dark_theme, value - shift)
-        light = showColor(light_theme, value - shift)
+        dark  = showColor(dark_theme, value)
+        light = showColor(light_theme, value)
 
-        print "#define _color%s %s" % (name, dark)
-        print "#define _color%s %s" % (name+8, light)
+        print "#define _color%s %s" % (name+1, dark)
+        print "#define _color%s %s" % (name+9, light)
         #print "urxvt.color%d : %s" % (name, dark)
         #print "urxvt.color%d : %s" % (name+8, light)
 
-        print "XTerm*color%d : %s" % (name, dark)
-        print "XTerm*color%d : %s" % (name+8, light)
+        print "XTerm*color%d : %s" % (name+1, dark)
+        print "XTerm*color%d : %s" % (name+9, light)
 
 
-- 
cgit v1.2.3