feat: custom golden star launcher icon and updated app title

scripts/generate_app_icons.py

@@ -0,0 +1,158 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Generate high-quality celestial gradient star launcher icons for Android.
+"""
+
+from PIL import Image, ImageDraw, ImageFilter
+import math
+import os
+
+def create_star_icon(size=512):
+    # Create high-res canvas (1024 for supersampling)
+    canvas_size = 1024
+    img = Image.new('RGBA', (canvas_size, canvas_size), (0, 0, 0, 0))
+    draw = ImageDraw.Draw(img)
+
+    center = canvas_size / 2.0
+    radius = canvas_size * 0.46
+
+    # 1. Background squircle / rounded rect or circle with deep mystical dark gradient
+    bg = Image.new('RGBA', (canvas_size, canvas_size), (0, 0, 0, 0))
+    bg_draw = ImageDraw.Draw(bg)
+
+    # Draw rounded rectangle background (squircle)
+    corner_radius = canvas_size * 0.22
+    margin = canvas_size * 0.04
+    bg_box = [margin, margin, canvas_size - margin, canvas_size - margin]
+    
+    # Base cosmic background color #0E1020
+    bg_draw.rounded_rectangle(bg_box, radius=corner_radius, fill=(14, 16, 32, 255))
+
+    # Add subtle radial inner glow in the background
+    for r in range(int(canvas_size * 0.4), 0, -4):
+        alpha = int(45 * (1.0 - r / (canvas_size * 0.4)))
+        bg_draw.ellipse(
+            [center - r, center - r, center + r, center + r],
+            fill=(42, 45, 74, alpha)
+        )
+
+    # Outer golden border on the squircle
+    bg_draw.rounded_rectangle(
+        bg_box,
+        radius=corner_radius,
+        outline=(255, 213, 79, 140),
+        width=int(canvas_size * 0.018)
+    )
+
+    img.paste(bg, (0, 0), bg)
+
+    # 2. Golden aura / glow behind the star
+    glow = Image.new('RGBA', (canvas_size, canvas_size), (0, 0, 0, 0))
+    glow_draw = ImageDraw.Draw(glow)
+    glow_radius = canvas_size * 0.30
+    for r in range(int(glow_radius), 0, -6):
+        alpha = int(70 * (1.0 - r / glow_radius)**1.5)
+        glow_draw.ellipse(
+            [center - r, center - r, center + r, center + r],
+            fill=(255, 213, 79, alpha)
+        )
+    glow = glow.filter(ImageFilter.GaussianBlur(15))
+    img.paste(glow, (0, 0), glow)
+
+    # 3. Draw 5-pointed celestial star polygon with white-to-yellow gradient
+    star_img = Image.new('RGBA', (canvas_size, canvas_size), (0, 0, 0, 0))
+    star_draw = ImageDraw.Draw(star_img)
+
+    r_outer = canvas_size * 0.33
+    r_inner = r_outer * 0.42
+    points = []
+    num_points = 5
+
+    # Rotate by -90 degrees so top point points straight up
+    start_angle = -math.pi / 2.0
+
+    for i in range(num_points * 2):
+        angle = start_angle + i * math.pi / num_points
+        r = r_outer if i % 2 == 0 else r_inner
+        x = center + r * math.cos(angle)
+        y = center + r * math.sin(angle)
+        points.append((x, y))
+
+    # Mask for star gradient
+    star_mask = Image.new('L', (canvas_size, canvas_size), 0)
+    mask_draw = ImageDraw.Draw(star_mask)
+    mask_draw.polygon(points, fill=255)
+
+    # Create gradient fill image for star (pure white at top-left to bright golden yellow at bottom)
+    gradient = Image.new('RGBA', (canvas_size, canvas_size), (0, 0, 0, 0))
+    for y in range(canvas_size):
+        ratio = y / float(canvas_size)
+        # Interpolate from #FFFFFF (top) -> #FFF9C4 -> #FFD54F -> #FFB300 (bottom)
+        if ratio < 0.3:
+            # White to light lemon
+            t = ratio / 0.3
+            r = int(255)
+            g = int(255 - (255 - 249) * t)
+            b = int(255 - (255 - 196) * t)
+        elif ratio < 0.7:
+            # Light lemon to golden yellow
+            t = (ratio - 0.3) / 0.4
+            r = int(255)
+            g = int(249 - (249 - 213) * t)
+            b = int(196 - (196 - 79) * t)
+        else:
+            # Golden yellow to deep amber
+            t = (ratio - 0.7) / 0.3
+            r = int(255)
+            g = int(213 - (213 - 179) * t)
+            b = int(79 - (79 - 0) * t)
+        
+        for x in range(canvas_size):
+            gradient.putpixel((x, y), (r, g, b, 255))
+
+    # Apply star mask to gradient
+    star_colored = Image.new('RGBA', (canvas_size, canvas_size), (0, 0, 0, 0))
+    star_colored.paste(gradient, (0, 0), star_mask)
+
+    # Subtle inner facets (diamond lines from center to outer/inner points)
+    facet_draw = ImageDraw.Draw(star_colored)
+    for i in range(num_points * 2):
+        pt = points[i]
+        if i % 2 == 0:
+            facet_draw.line([center, center, pt[0], pt[1]], fill=(255, 255, 255, 90), width=3)
+        else:
+            facet_draw.line([center, center, pt[0], pt[1]], fill=(200, 140, 0, 70), width=2)
+
+    # Star outline
+    facet_draw.polygon(points, outline=(255, 255, 255, 180), width=4)
+
+    # Composite star over canvas
+    img.paste(star_colored, (0, 0), star_colored)
+
+    # Resize with Lanczos downsampling to target size
+    return img.resize((size, size), Image.Resampling.LANCZOS)
+
+def main():
+    densities = {
+        'android/app/src/main/res/mipmap-mdpi': 48,
+        'android/app/src/main/res/mipmap-hdpi': 72,
+        'android/app/src/main/res/mipmap-xhdpi': 96,
+        'android/app/src/main/res/mipmap-xxhdpi': 144,
+        'android/app/src/main/res/mipmap-xxxhdpi': 192,
+    }
+
+    # Generate master 512x512
+    master = create_star_icon(512)
+    master.save('scripts/app_icon_master.png')
+    print("Created scripts/app_icon_master.png (512x512)")
+
+    for dir_path, sz in densities.items():
+        os.makedirs(dir_path, exist_ok=True)
+        icon = create_star_icon(sz)
+        out_file = os.path.join(dir_path, 'ic_launcher.png')
+        icon.save(out_file, 'PNG')
+        print(f"Saved {out_file} ({sz}x{sz})")
+
+if __name__ == '__main__':
+    main()