Gearslip: phone-side Android Auto client

docs/icon/generate.py

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+import math
+
+def pt(cx, cy, r, deg):
+    a = math.radians(deg - 90)
+    return (cx + r*math.cos(a), cy + r*math.sin(a))
+
+def gear_points(cx, cy, teeth, outer_r, inner_r, tooth_frac=0.5):
+    slice_w = 360.0 / teeth
+    gap = slice_w * (1 - tooth_frac)
+    pts = []
+    for i in range(teeth):
+        start = i * slice_w
+        a1 = start + gap/2
+        a2 = a1 + slice_w*tooth_frac
+        pts.append(pt(cx, cy, inner_r, start))
+        pts.append(pt(cx, cy, outer_r, a1))
+        pts.append(pt(cx, cy, outer_r, a2))
+        pts.append(pt(cx, cy, inner_r, start + slice_w))
+    return pts
+
+def path_from_pts(pts):
+    d = f"M {pts[0][0]:.2f},{pts[0][1]:.2f} "
+    for p in pts[1:]:
+        d += f"L {p[0]:.2f},{p[1]:.2f} "
+    return d + "Z"
+
+def rotate(pts, ocx, ocy, deg):
+    a = math.radians(deg)
+    out = []
+    for x, y in pts:
+        x0, y0 = x-ocx, y-ocy
+        out.append((x0*math.cos(a)-y0*math.sin(a)+ocx, x0*math.sin(a)+y0*math.cos(a)+ocy))
+    return out
+
+def scale_pts(pts, ocx, ocy, s):
+    return [((x-ocx)*s+ocx, (y-ocy)*s+ocy) for x, y in pts]
+
+cx, cy = 54, 54
+teeth = 8
+outer_r = 36
+inner_r = 27
+
+all_pts = gear_points(cx, cy, teeth, outer_r, inner_r)
+broken_idx = 1
+body_pts = [p for i, p in enumerate(all_pts) if not (4*broken_idx <= i < 4*broken_idx+4)]
+
+tooth_pts = all_pts[4*broken_idx:4*broken_idx+4]
+tooth_cx = sum(p[0] for p in tooth_pts)/4
+tooth_cy = sum(p[1] for p in tooth_pts)/4
+
+dx, dy = 14, 2
+final_pts = rotate([(x+dx, y+dy) for x, y in tooth_pts], tooth_cx+dx, tooth_cy+dy, 26)
+final_cx, final_cy = tooth_cx+dx, tooth_cy+dy
+
+trail_half_w_near = 1.2
+trail_half_w_far = 7.5
+perp = (-dy, dx)
+plen = math.hypot(*perp)
+perp = (perp[0]/plen, perp[1]/plen)
+
+gap_angle = math.atan2(tooth_cy - cy, tooth_cx - cx)
+extend_r = inner_r - 6
+gap_x = cx + math.cos(gap_angle) * extend_r
+gap_y = cy + math.sin(gap_angle) * extend_r
+
+near1 = (gap_x + perp[0]*trail_half_w_near, gap_y + perp[1]*trail_half_w_near)
+near2 = (gap_x - perp[0]*trail_half_w_near, gap_y - perp[1]*trail_half_w_near)
+far1 = (final_cx + perp[0]*trail_half_w_far, final_cy + perp[1]*trail_half_w_far)
+far2 = (final_cx - perp[0]*trail_half_w_far, final_cy - perp[1]*trail_half_w_far)
+trail_pts = [near1, far1, far2, near2]
+
+hub_r = 12
+
+# --- scale everything down to fit the adaptive-icon safe zone (66dp diameter circle) ---
+SCALE = 0.66
+def S(pts):
+    return scale_pts(pts, cx, cy, SCALE)
+
+body_s = S(body_pts)
+final_s = S(final_pts)
+trail_s = S(trail_pts)
+hub_r_s = hub_r * SCALE
+gap_x_s, gap_y_s = scale_pts([(gap_x, gap_y)], cx, cy, SCALE)[0]
+final_cx_s, final_cy_s = scale_pts([(final_cx, final_cy)], cx, cy, SCALE)[0]
+
+body_path = path_from_pts(body_s)
+final_path = path_from_pts(final_s)
+trail_path = path_from_pts(trail_s)
+
+GREY = "#8B9096"
+RED = "#8C1F1F"
+BG = "#0c0c0d"
+RING = "#131415"
+
+# ===== 1. Background: full-bleed, unscaled =====
+bg_xml = f'''<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:pathData="M0,0h108v108h-108z"
+        android:fillColor="{BG}"/>
+    <path
+        android:pathData="M54,2 A52,52 0 1,1 53.99,2 Z"
+        android:fillColor="{RING}"/>
+</vector>
+'''
+
+# ===== 2. Foreground: gear + broken piece + trail, scaled into the safe zone =====
+# Trail uses a gradient (narrow near the gear, fading out) via an <aapt:attr> gradient,
+# same visual as the mockup.
+fg_xml = f'''<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="{trail_path}">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="{gap_x_s:.2f}"
+                android:startY="{gap_y_s:.2f}"
+                android:endX="{final_cx_s:.2f}"
+                android:endY="{final_cy_s:.2f}">
+                <item android:offset="0" android:color="#00{RED[1:]}"/>
+                <item android:offset="1" android:color="{RED}"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:pathData="{body_path}"
+        android:fillColor="{GREY}"/>
+    <path
+        android:pathData="{final_path}"
+        android:fillColor="{RED}"/>
+    <path
+        android:pathData="M{cx},{cy-hub_r_s:.2f} A{hub_r_s:.2f},{hub_r_s:.2f} 0 1,1 {cx-0.01:.2f},{cy-hub_r_s:.2f} Z"
+        android:fillColor="{BG}"/>
+</vector>
+'''
+
+# ===== 3. Monochrome: same silhouette, single alpha-bearing color for Material You
+#     theming. The system substitutes its own tint - the fillColor value here is
+#     irrelevant, only the shape/alpha matters. Trail kept at a lower alpha so the
+#     fade effect survives tinting too.
+mono_xml = f'''<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:pathData="{trail_path}"
+        android:fillColor="#FF000000"
+        android:fillAlpha="0.35"/>
+    <path
+        android:pathData="{body_path}"
+        android:fillColor="#FF000000"/>
+    <path
+        android:pathData="{final_path}"
+        android:fillColor="#FF000000"/>
+    <path
+        android:pathData="M{cx},{cy-hub_r_s:.2f} A{hub_r_s:.2f},{hub_r_s:.2f} 0 1,1 {cx-0.01:.2f},{cy-hub_r_s:.2f} Z"
+        android:fillColor="#00000000"/>
+</vector>
+'''
+
+out = '/tmp/claude-1000/-home-seb-AABrowser/dadb0938-9338-4349-968f-4a89bc8de777/scratchpad/icon'
+open(f'{out}/ic_launcher_background.xml', 'w').write(bg_xml)
+open(f'{out}/ic_launcher_foreground.xml', 'w').write(fg_xml)
+open(f'{out}/ic_launcher_monochrome.xml', 'w').write(mono_xml)
+print("written")