mirror of
https://github.com/MobileGL-Dev/MobileGL
synced 2026-11-07 01:53:24 +09:00
107 lines
4.8 KiB
Python
107 lines
4.8 KiB
Python
"""Cover / thumbnail for the MobileGL intro: one 16:9 image whose centre 4:3 crop keeps everything
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important; the side bands only carry decoration. MGL_LANG=zh for the Chinese cover."""
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from video import *
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import paper
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paper.TR.update({
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'Desktop OpenGL, anywhere': '桌面 OpenGL，处处可用',
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'How it works, in 5 minutes': '5 分钟看懂它如何工作',
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} if LANG == 'zh' else {})
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SAFE_W = H * 4 // 3 # 1440: width kept by a centred 4:3 crop
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OX = (W - SAFE_W) // 2 # 240: left edge of the safe area
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@cache
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def spr_big_tile(ch, color, k=1.22):
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w, h = int(160 * k), int(180 * k)
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a = Art(w, h, f'bigtile|{ch}|{color}|{k}')
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c = 46 * k
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a.poly([(0, 14 * k), (14 * k, 0), (w - c, 0), (w, c), (w, h - 14 * k), (w - 14 * k, h), (14 * k, h),
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(0, h - 14 * k)], color, rough=0.9)
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a.poly([(w - c, 0), (w - c, c), (w, c)], shade(color, 1.3), rough=0.4)
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a.text(w / 2 - 2, h / 2 + 4, ch, ('fredoka', int(122 * k), 'Bold'), WHITE, shade=True)
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return a.build()
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def put(c, spr, x, y, rot=0.0, s=1.0, elev=1.2):
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c.put(spr, x, y, rot, s, None, 1, elev, boil=0)
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def side_decor(c):
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"""Decoration confined to the two bands outside the 4:3 crop (x < 240, x > 1680)."""
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put(c, spr_plane(MUSTARD), 125, 330, 14, 0.8, 3.0)
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put(c, spr_plane(CORAL), 110, 790, -10, 0.7, 3.0)
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put(c, spr_crane(CORAL), 1800, 300, -6, 0.5, 3.0)
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put(c, spr_plane(TEAL), 1805, 770, -16, 0.75, 3.0)
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rng = random.Random(7)
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for band in ((25, OX - 25), (OX + SAFE_W + 25, W - 25)):
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n = 0
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while n < 7:
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x, y = rng.uniform(*band), rng.uniform(60, H - 60)
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size = rng.randrange(24, 46)
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if not (band[0] + size / 2 < x < band[1] - size / 2):
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continue
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if any(abs(y - yy) < 150 for yy in (330, 790, 300, 770)) and abs(x - (band[0] + band[1]) / 2) < 90:
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continue # keep clear of the planes / crane
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put(c, spr_confetti(rng.randrange(4), rng.choice((CORAL, MUSTARD, TEAL, BLUE, PLUM, ORANGE)), size),
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x, y, rng.uniform(-40, 40), 1, 0.6)
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n += 1
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def safe_content(c):
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"""Everything that matters, laid out inside the centre 1440x1080."""
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cx = W / 2
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rng = random.Random(43)
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n = 0
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while n < 12: # a few confetti pieces inside the safe area's own edges
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x, y = rng.uniform(OX + 40, OX + SAFE_W - 40), rng.uniform(40, H - 40)
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if OX + 90 < x < OX + SAFE_W - 90 and 90 < y < H - 60:
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continue
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put(c, spr_confetti(rng.randrange(4), rng.choice((CORAL, MUSTARD, TEAL, BLUE, PLUM, ORANGE)),
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rng.randrange(24, 46)), x, y, rng.uniform(-40, 40), 1, 0.6)
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n += 1
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step = 166
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for i, ch in enumerate('MobileGL'):
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put(c, spr_big_tile(ch, TITLE_COLS[i], 0.98), cx - step * 3.5 + step * i, 240 + (5 if i % 2 else -5),
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(3.5 if i % 2 else -3.5), 1, 1.3)
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put(c, spr_label('Desktop OpenGL, anywhere', ('fredoka', 64, 'SemiBold'), WHITE, INK, padx=44, pady=20),
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cx, 465, -1.5, 1, 1.4)
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put(c, spr_label('How it works, in 5 minutes', ('hand', 42), CORAL, WHITE, padx=28, pady=10),
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cx, 565, 2, 1, 1.4)
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y = 835
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put(c, spr_appwin(), OX + 225, y, -4, 0.5)
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put(c, spr_arrow(90, INK, 18, 40), OX + 445, y, 0, 1, 0.6)
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put(c, spr_crane(BRAND), OX + 655, y - 45, -4, 0.85, 3.5)
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put(c, spr_slab('MobileGL', 230, BRAND, h=64, size=36), OX + 655, y + 75, 2)
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put(c, spr_arrow(90, INK, 18, 40), OX + 870, y, 0, 1, 0.6)
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put(c, spr_phone(BG_PEACH), OX + 1035, y + 10, 4, 0.5)
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put(c, spr_tablet(BG_MINT), OX + 1250, y + 25, -3, 0.52)
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put(c, spr_bubble('OpenGL ES', ('fredoka', 36, 'SemiBold'), TEAL, WHITE), OX + 1020, y - 140, -3, 1, 1.5)
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put(c, spr_bubble('Vulkan', ('fredoka', 36, 'SemiBold'), PLUM, WHITE, 'br'), OX + 1285, y - 115, 3, 1, 1.5)
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put(c, spr_sticker('OpenGL\n4.6 Core', MUSTARD, r=80, size=29, fg=INK), OX + 1310, 462, 12, 1, 1.6)
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def cover():
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frame = background(BG_CREAM).copy()
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c = Ctx(frame, 100.0, 0, 1)
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side_decor(c)
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safe_content(c)
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return frame.convert('RGB')
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if __name__ == '__main__':
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suffix = '' if LANG == 'en' else '_' + LANG
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img = cover()
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img.save(os.path.join(OUT, f'cover{suffix}.png'))
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img.resize((1280, 720), Image.LANCZOS).save(os.path.join(OUT, f'cover{suffix}_1280x720.jpg'), quality=92)
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if '--guides' in sys.argv: # preview with the 4:3 crop lines drawn in
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g = img.copy()
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d = ImageDraw.Draw(g)
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for x in (OX, OX + SAFE_W):
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d.line([(x, 0), (x, H)], fill=(220, 0, 0), width=4)
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g.resize((1280, 720), Image.LANCZOS).save(os.path.join(OUT, f'cover{suffix}_guides.jpg'), quality=88)
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img.crop((OX, 0, OX + SAFE_W, H)).resize((960, 720), Image.LANCZOS).save(
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os.path.join(OUT, f'cover{suffix}_crop43.jpg'), quality=88)
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print('ok')
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