Enhance blob_color_fixer to check and boost saturation for bland palettes

scripts/blob_color_fixer.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+import sys
+import colorsys
+
+def hex_to_rgb(hex_str):
+    hex_str = hex_str.lstrip('#')
+    return tuple(int(hex_str[i:i+2], 16) / 255.0 for i in (0, 2, 4))
+
+def rgb_to_hex(r, g, b):
+    return '#{:02x}{:02x}{:02x}'.format(int(r * 255), int(g * 255), int(b * 255))
+
+def shift_hue_and_saturate(hex_str, shift_amount):
+    r, g, b = hex_to_rgb(hex_str)
+    h, l, s = colorsys.rgb_to_hls(r, g, b)
+    h = (h + shift_amount) % 1.0
+    s = max(s, 0.65) # Force vibrancy
+    l = min(max(l, 0.4), 0.7) # Ensure it's not too dark or overly washed out
+    r, g, b = colorsys.hls_to_rgb(h, l, s)
+    return rgb_to_hex(r, g, b)
+
+def get_hls_stats(hex_list):
+    hues = []
+    sats = []
+    for hex_str in hex_list:
+        r, g, b = hex_to_rgb(hex_str)
+        h, l, s = colorsys.rgb_to_hls(r, g, b)
+        hues.append(h)
+        sats.append(s)
+    return hues, sats
+
+def is_monotone_or_bland(hues, sats, hue_threshold=0.15, sat_threshold=0.35):
+    if not hues or not sats: return False
+    
+    # Calculate hue variance
+    min_h = min(hues)
+    max_h = max(hues)
+    hue_diff = min(max_h - min_h, 1.0 - (max_h - min_h))
+    
+    # Calculate average saturation
+    avg_s = sum(sats) / len(sats)
+    
+    return hue_diff < hue_threshold or avg_s < sat_threshold
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: python3 blob_color_fixer.py <path_to_wal_colors>")
+        sys.exit(1)
+        
+    filepath = sys.argv[1]
+    
+    try:
+        with open(filepath, 'r') as f:
+            colors = [line.strip() for line in f if line.strip()]
+    except Exception as e:
+        print(f"Error reading colors: {e}")
+        sys.exit(1)
+        
+    if len(colors) < 16:
+        print("Not enough colors found in file.")
+        sys.exit(1)
+        
+    # Check hue variance and saturation of accent colors (indices 1-6)
+    accents = colors[1:7]
+    hues, sats = get_hls_stats(accents)
+    
+    if is_monotone_or_bland(hues, sats, hue_threshold=0.15, sat_threshold=0.35):
+        print("Detected monotone or bland palette. Generating vibrant complementary colors...")
+        
+        # Pick the most saturated accent as the base
+        base_accent = accents[-1]
+        max_sat = 0
+        for i, sat in enumerate(sats):
+            if sat > max_sat:
+                max_sat = sat
+                base_accent = accents[i]
+                
+        # Generate new colors with forced vibrancy
+        comp = shift_hue_and_saturate(base_accent, 0.5)
+        ana1 = shift_hue_and_saturate(base_accent, 0.083)
+        ana2 = shift_hue_and_saturate(base_accent, -0.083)
+        split1 = shift_hue_and_saturate(base_accent, 0.416)
+        split2 = shift_hue_and_saturate(base_accent, -0.416)
+        
+        # The base accent itself also gets saturated if it was too bland
+        r, g, b = hex_to_rgb(base_accent)
+        h, l, s = colorsys.rgb_to_hls(r, g, b)
+        if s < 0.65:
+            base_vibrant = shift_hue_and_saturate(base_accent, 0.0)
+        else:
+            base_vibrant = base_accent
+            
+        new_accents = [base_vibrant, comp, ana1, ana2, split1, split2]
+        
+        # Replace normal and bright accents
+        for i in range(6):
+            colors[i+1] = new_accents[i]
+            colors[i+9] = new_accents[i]
+            
+        with open(filepath, 'w') as f:
+            for color in colors:
+                f.write(f"{color}\n")
+        print("Colors successfully enhanced.")
+    else:
+        print("Palette is already vibrant and diverse enough.")
+
+if __name__ == "__main__":
+    main()

scripts/blob_wallpaper.sh

@@ -50,6 +50,9 @@ fi
 echo "Extracting colors using Pywal..."
 wal -i "$IMAGE_PATH" -n -q 2> >(grep -v "deprecated in IMv7" >&2)
 
+# Enhance colors if the palette is too monotone
+python3 "$HOME/scripts/blob_color_fixer.py" "$HOME/.cache/wal/colors"
+
 # Clear old backgrounds and copy the new one into the dynamic theme
 rm -f "$THEME_DIR/backgrounds/"*
 cp "$IMAGE_PATH" "$THEME_DIR/backgrounds/"