Files
podlite/tools/make_icons.py
T
XoséandClaude Opus 5.5 a4be0bab44 Podlite 1.8: MiniABS is now Podlite
Renames the app (label, texts, Audiobookshelf client name, User-Agent, APK). The package name,
preferences and signing key stay, so it installs over MiniABS and keeps its settings.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-19 16:57:47 +02:00

98 lines
3.4 KiB
Python

"""Draws Podlite's PNG icons for ldpi (Galaxy Mini), mdpi and hdpi.
The launcher icon (res/drawable-*/ic_launcher.png) comes from the supplied
Audiobookshelf icon pack and is not generated here. The notification icon is
cut out of that same artwork (art/icon_master_512.png): the white headphones
and equalizer become a white silhouette, as Android 2.3's status bar expects.
Android 2.x has no vector drawables, so the player icons are rendered at 4x and
downsampled for smooth edges.
"""
import os
import sys
from PIL import Image, ImageDraw
RES = sys.argv[1]
ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..")
DENS = {"ldpi": 0.75, "mdpi": 1.0, "hdpi": 1.5}
LILAC = (188, 138, 252, 255) # the icon's sound-wave colour (#BC8AFC)
WHITE = (255, 255, 255, 255)
SS = 4 # supersampling
def canvas(px):
s = px * SS
return Image.new("RGBA", (s, s), (0, 0, 0, 0)), s
def save(img, px, folder, name):
out = img.resize((px, px), Image.LANCZOS)
d = os.path.join(RES, "drawable-" + folder)
os.makedirs(d, exist_ok=True)
out.save(os.path.join(d, name + ".png"))
def status_silhouette():
"""White mask of the icon's light parts (headphones, bars, waves) on transparency."""
src = Image.open(os.path.join(ROOT, "art", "icon_master_512.png")).convert("RGBA")
out = Image.new("RGBA", src.size, (0, 0, 0, 0))
sp, op = src.load(), out.load()
for y in range(src.size[1]):
for x in range(src.size[0]):
r, g, b, a = sp[x, y]
# the purple background has a low green channel; the white/lilac artwork a high one
level = min(255, max(0, (g - 80) * 255 // 50))
op[x, y] = (255, 255, 255, level * a // 255)
box = out.getbbox()
out = out.crop(box)
side = max(out.size)
sq = Image.new("RGBA", (side, side), (0, 0, 0, 0))
sq.paste(out, ((side - out.size[0]) // 2, (side - out.size[1]) // 2))
return sq
def status(sil, px, folder):
pad = max(1, round(px * 0.06))
inner = sil.resize((px - 2 * pad, px - 2 * pad), Image.LANCZOS)
img = Image.new("RGBA", (px, px), (0, 0, 0, 0))
img.paste(inner, (pad, pad))
d = os.path.join(RES, "drawable-" + folder)
img.save(os.path.join(d, "ic_stat.png"))
def play(px, folder, name, color):
img, s = canvas(px)
d = ImageDraw.Draw(img)
d.polygon([(s * 0.32, s * 0.2), (s * 0.32, s * 0.8), (s * 0.82, s * 0.5)], fill=color)
save(img, px, folder, name)
def pause(px, folder, name, color):
img, s = canvas(px)
d = ImageDraw.Draw(img)
d.rectangle([s * 0.26, s * 0.2, s * 0.43, s * 0.8], fill=color)
d.rectangle([s * 0.57, s * 0.2, s * 0.74, s * 0.8], fill=color)
save(img, px, folder, name)
def refresh(px, folder):
img, s = canvas(px)
d = ImageDraw.Draw(img)
w = int(s * 0.1)
box = [s * 0.2, s * 0.2, s * 0.8, s * 0.8]
d.arc(box, 30, 320, fill=WHITE, width=w)
# arrow head at the arc's end (top right)
d.polygon([(s * 0.86, s * 0.14), (s * 0.88, s * 0.48), (s * 0.56, s * 0.36)], fill=WHITE)
save(img, px, folder, "ic_refresh")
sil = status_silhouette()
for folder, k in DENS.items():
status(sil, round(25 * k), folder)
play(round(32 * k), folder, "ic_play", WHITE) # on the purple play button
pause(round(32 * k), folder, "ic_pause", WHITE)
play(round(38 * k), folder, "ic_play_small", LILAC) # mini player bar, on dark
pause(round(38 * k), folder, "ic_pause_small", LILAC)
refresh(round(30 * k), folder)
print("icons ok")