Merge pull request #174 from dylanaraps/light

colors: Add light theme support.

.pylintrc

@@ -1,5 +1,5 @@
 [BASIC]
-good-names=i,j,k,n,x,y,fg,bg,r,g,b,i3,r1,r2,r3,g1,g2,g3,b1,b2,b3
+good-names=i,j,k,n,x,y,fg,bg,r,g,b,i3,r1,r2,r3,g1,g2,g3,b1,b2,b3,h,s,v
 
 [MESSAGES CONTROL]
 # inconsistent-return-statements:

pywal/__main__.py

@@ -48,6 +48,9 @@ def get_args(args):
     arg.add_argument("-g", action="store_true",
                      help="Generate an oomox theme.")
 
+    arg.add_argument("-l", action="store_true",
+                     help="Generate a light colorscheme.")
+
     arg.add_argument("-n", action="store_true",
                      help="Skip setting the wallpaper.")
 
@@ -118,7 +121,7 @@ def process_args(args):
 
     if args.i:
         image_file = image.get(args.i)
-        colors_plain = colors.get(image_file, notify=not args.q)
+        colors_plain = colors.get(image_file, light=args.l, notify=not args.q)
 
     if args.f:
         colors_plain = colors.file(args.f)

pywal/colors.py

@@ -56,19 +56,26 @@ def gen_colors(img, color_count):
     return [re.search("#.{6}", str(col)).group(0) for col in raw_colors[1:]]
 
 
-def create_palette(img, colors):
+def create_palette(img, colors, light):
     """Sort the generated colors and store them in a dict that
        we will later save in json format."""
     raw_colors = colors[:1] + colors[8:16] + colors[8:-1]
 
-    # Darken the background color slightly.
-    if raw_colors[0][1] != "0":
-        raw_colors[0] = util.darken_color(raw_colors[0], 0.25)
+    if light:
+        # Manually adjust colors.
+        raw_colors[7] = raw_colors[0]
+        raw_colors[0] = util.lighten_color(raw_colors[15], 0.85)
+        raw_colors[15] = raw_colors[7]
+        raw_colors[8] = util.lighten_color(raw_colors[7], 0.25)
 
-    # Manually adjust colors.
-    raw_colors[7] = util.blend_color(raw_colors[7], "#EEEEEE")
-    raw_colors[8] = util.darken_color(raw_colors[7], 0.30)
-    raw_colors[15] = util.blend_color(raw_colors[15], "#EEEEEE")
+    else:
+        # Darken the background color slightly.
+        if raw_colors[0][1] != "0":
+            raw_colors[0] = util.darken_color(raw_colors[0], 0.25)
+
+        # Manually adjust colors.
+        raw_colors[7] = util.blend_color(raw_colors[7], "#EEEEEE")
+        raw_colors[15] = util.blend_color(raw_colors[15], "#EEEEEE")
 
     colors = {"wallpaper": img, "alpha": util.Color.alpha_num,
               "special": {}, "colors": {}}
@@ -76,19 +83,30 @@ def create_palette(img, colors):
     colors["special"]["foreground"] = raw_colors[15]
     colors["special"]["cursor"] = raw_colors[15]
 
-    for i, color in enumerate(raw_colors):
-        colors["colors"]["color%s" % i] = color
+    if light:
+        for i, color in enumerate(raw_colors):
+            colors["colors"]["color%s" % i] = util.saturate_color(color, 0.5)
+
+        colors["colors"]["color0"] = raw_colors[0]
+        colors["colors"]["color7"] = raw_colors[15]
+        colors["colors"]["color8"] = util.darken_color(raw_colors[0], 0.5)
+        colors["colors"]["color15"] = raw_colors[15]
+
+    else:
+        for i, color in enumerate(raw_colors):
+            colors["colors"]["color%s" % i] = color
 
     return colors
 
 
 def get(img, cache_dir=CACHE_DIR,
-        color_count=COLOR_COUNT, notify=False):
+        color_count=COLOR_COUNT, light=False, notify=False):
     """Get the colorscheme."""
     # home_dylan_img_jpg_1.2.2.json
+    color_type = "light" if light else "dark"
     cache_file = re.sub("[/|\\|.]", "_", img)
-    cache_file = os.path.join(cache_dir, "schemes", cache_file + "_" +
-                              __version__ + ".json")
+    cache_file = os.path.join(cache_dir, "schemes", "%s_%s_%s.json"
+                              % (cache_file, color_type, __version__))
 
     if os.path.isfile(cache_file):
         colors = file(cache_file)
@@ -99,7 +117,7 @@ def get(img, cache_dir=CACHE_DIR,
         util.msg("wal: Generating a colorscheme...", notify)
 
         colors = gen_colors(img, color_count)
-        colors = create_palette(img, colors)
+        colors = create_palette(img, colors, light)
 
         util.save_file_json(colors, cache_file)
         util.msg("wal: Generation complete.", notify)

pywal/util.py

@@ -1,6 +1,7 @@
 """
 Misc helper functions.
 """
+import colorsys
 import json
 import os
 import shutil
@@ -121,6 +122,19 @@ def blend_color(color, color2):
     return rgb_to_hex((r3, g3, b3))
 
 
+def saturate_color(color, amount):
+    """Saturate a hex color."""
+    r, g, b = hex_to_rgb(color)
+    r, g, b = [x/255.0 for x in (r, g, b)]
+    h, s, v = colorsys.rgb_to_hsv(r, g, b)
+    s = amount
+    v = 0.2
+    r, g, b = colorsys.hls_to_rgb(h, s, v)
+    r, g, b = [x*255.0 for x in (r, g, b)]
+
+    return rgb_to_hex((int(r), int(g), int(b)))
+
+
 def disown(cmd):
     """Call a system command in the background,
        disown it and hide it's output."""