File size: 8,540 Bytes
e51f92e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | """Generate perfectly-labeled synthetic poker table screenshots for perception evals.
Outputs:
dataset/images/test_XXX.png (1600x900)
dataset/labels/test_XXX.json (ground truth: cards, stacks, pot, bboxes)
Everything is deterministic given --seed. Labels use "A♠"-style card strings
and pixel-space bounding boxes. No redistribution concerns: all pixels are ours.
"""
import argparse
import json
import math
import os
import random
from pathlib import Path
from PIL import Image, ImageDraw, ImageFont
W, H = 1600, 900
RANKS = ["A", "K", "Q", "J", "10", "9", "8", "7", "6", "5", "4", "3", "2"]
SUITS = ["♠", "♥", "♦", "♣"]
RED_SUITS = {"♥", "♦"}
POSITIONS = {2: ["BTN", "SB", ], # completed later: BB
3: ["BTN", "SB", "BB"],
4: ["BTN", "SB", "BB", "UTG"],
5: ["BTN", "SB", "BB", "MP", "UTG"],
6: ["BTN", "SB", "BB", "MP", "MP2", "UTG"]}
def _font(size, bold=True):
for name in ("DejaVuSans-Bold.ttf" if bold else "DejaVuSans.ttf",
"LiberationSans-Bold.ttf" if bold else "LiberationSans-Regular.ttf"):
for d in ("/usr/share/fonts/truetype/dejavu", "/usr/share/fonts/truetype/liberation"):
p = os.path.join(d, name)
if os.path.exists(p):
return ImageFont.truetype(p, size)
try:
return ImageFont.load_default(size=size)
except TypeError:
return ImageFont.load_default()
FONT_CARD = _font(34)
FONT_SUIT = _font(58)
FONT_UI = _font(22)
FONT_UI_BIG = _font(30)
def _rand_deck(rng):
deck = [(r, s) for r in RANKS for s in SUITS]
rng.shuffle(deck)
return deck
def _card_str(card):
r, s = card
return r + s
def render_card(canvas, x, y, card, w=84, h=118, cid=None, labels=None):
"""Draw one face-up card at (x, y) top-left. Records pixel bbox."""
r, s = card
draw = ImageDraw.Draw(canvas)
draw.rounded_rectangle([x, y, x + w, y + h], radius=8, fill=(248, 248, 245),
outline=(40, 40, 40), width=2)
color = (200, 30, 30) if s in RED_SUITS else (20, 20, 20)
draw.text((x + 6, y + 4), r, font=FONT_CARD, fill=color)
draw.text((x + 6, y + 34), s, font=FONT_CARD, fill=color)
draw.text((x + w - 40, y + h - 66), s, font=FONT_SUIT, fill=color)
if labels is not None:
labels["card_bboxes"].append({"card": _card_str(card), "bbox": [x, y, x + w, y + h],
"where": cid})
def generate_one(idx, rng, race=0):
n_players = rng.choice([2, 3, 4, 5, 6])
deck = _rand_deck(rng)
stage = rng.choice(["preflop", "flop", "turn", "river"])
n_board = {"preflop": 0, "flop": 3, "turn": 4, "river": 5}[stage]
pos_order = POSITIONS[n_players][:] if n_players > 2 else ["BTN", "SB/BB"]
pos_order = (pos_order + ["BB"])[:n_players]
pos_order = ["UTG"] + pos_order[:-1] if n_players >= 4 else pos_order
pot = rng.choice([40, 80, 120, 240, 500, 1250, 3400])
labels = {
"image": f"test_{idx:03d}.png", "width": W, "height": H,
"stage": stage, "pot": pot, "seats": [],
"community": [], "card_bboxes": [],
}
canvas = Image.new("RGB", (W, H), (18, 92, 46))
draw = ImageDraw.Draw(canvas)
# felt shading rings for a bit of texture
cx, cy = W // 2, H // 2 + 30
draw.ellipse([cx - 560, cy - 300, cx + 560, cy + 300], fill=(24, 104, 52))
draw.ellipse([cx - 460, cy - 240, cx + 460, cy + 240], fill=(30, 116, 60))
# board cards (center upper area); unrevealed slots left blank
board = [deck.pop() for _ in range(n_board)]
bw, bh = 92, 130
total_w = 5 * (bw + 12)
bx0 = cx - total_w // 2
for i, card in enumerate(board):
bx = bx0 + i * (bw + 12)
render_card(canvas, bx, 250, card, bw, bh, cid=f"board_{i}", labels=labels)
labels["community"].append({"card": _card_str(card), "bbox": [bx, 250, bx + bw, 250 + bh]})
# hero cards, center bottom, slightly larger
hero = [deck.pop(), deck.pop()]
for i, card in enumerate(hero):
hx = cx - bw - 10 + i * (bw + 20)
render_card(canvas, hx, 640, card, bw + 10, bh + 14, cid="hero",
labels=labels)
labels["hero"] = [_card_str(hero[0]), _card_str(hero[1])]
# pot text
pot_y = 430
draw = ImageDraw.Draw(canvas)
draw.text((cx - 70, pot_y), f"POT: {pot}", font=FONT_UI_BIG, fill=(245, 235, 200))
labels["pot_bbox"] = [cx - 90, pot_y - 6, cx + 120, pot_y + 40]
# seats around the ellipse, alternating left/right/top/bottom
seat_angles = [(90 + 360 * i / n_players) for i in range(n_players)]
names = ["Alice", "Bob", "Clara", "Dan", "Eve", "Flo"]
for i, ang in enumerate(seat_angles):
sx = cx + int(500 * math.cos(math.radians(ang))) - 90
sy = cy + int(265 * math.sin(math.radians(ang))) - 40
sy = min(max(sy, 40), H - 130)
sx = min(max(sx, 20), W - 220)
stack = rng.choice([500, 900, 1800, 4200, 12000])
seat_label = pos_order[i % len(pos_order)]
seat_cards = [deck.pop(), deck.pop()]
slot = {"seat": i, "name": names[i], "stack": stack, "position": seat_label,
"hole": [_card_str(seat_cards[0]), _card_str(seat_cards[1])],
"card_bboxes": []}
# two cards per seat
for j, card in enumerate(seat_cards):
jx = sx + j * 92
if sy > cy: # bottom seats: cards above the name plate
card_y = sy - 10
else:
card_y = sy + 34
render_card(canvas, jx, card_y, seat_cards[j] if False else card,
cid=f"seat{i}", labels={"card_bboxes": labels["card_bboxes"]})
labels["card_bboxes"][-1]["where"] = f"seat{i}"
slot["card_bboxes"].append(labels["card_bboxes"][-1])
# name plate with stack
draw = ImageDraw.Draw(canvas)
plate_y = sy if sy > cy else sy
draw.rounded_rectangle([sx - 6, plate_y, sx + 200, plate_y + 30], radius=6,
fill=(40, 40, 60), outline=(10, 10, 10), width=1)
draw.text((sx + 2, plate_y + 3), f"{names[i]} [{seat_label}]", font=FONT_UI,
fill=(235, 235, 235))
draw.text((sx + 118, plate_y + 3), f"STACK {stack}", font=FONT_UI,
fill=(255, 215, 120))
slot["bbox"] = [sx - 6, plate_y, sx + 200, plate_y + 30]
# optional bet circle
if rng.random() < 0.5:
bet = rng.choice([20, 40, 60, 120, 300, 720])
draw.ellipse([sx - 70, plate_y + 34, sx + 40, plate_y + 74],
fill=(220, 180, 40), outline=(120, 90, 10), width=2)
draw.text((sx - 62, plate_y + 44), f"{bet}", font=FONT_UI, fill=(40, 30, 5))
slot["bet"] = bet
labels["seats"].append(slot)
# dealer button
bi = rng.randrange(n_players)
ang = seat_angles[bi]
dx = cx + int(430 * math.cos(math.radians(ang)))
dy = cy + int(225 * math.sin(math.radians(ang)))
draw.ellipse([dx - 16, dy - 16, dx + 16, dy + 16], fill=(235, 235, 235),
outline=(60, 60, 60), width=2)
draw.text((dx - 7, dy - 12), "D", font=FONT_UI, fill=(20, 20, 20))
labels["dealer_seat"] = bi
# mild noise so OCR isn't trivially easy
for _ in range(900):
npx = (rng.randrange(0, W), rng.randrange(0, H))
g = rng.randrange(140, 220)
draw.point(npx, fill=(g, g, g))
return canvas, labels
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--out", default="dataset")
ap.add_argument("--n", type=int, default=60)
ap.add_argument("--seed", type=int, default=17)
args = ap.parse_args()
rng = random.Random(args.seed)
img_dir = Path(args.out) / "images"
lbl_dir = Path(args.out) / "labels"
img_dir.mkdir(parents=True, exist_ok=True)
lbl_dir.mkdir(parents=True, exist_ok=True)
deck_check = []
for i in range(args.n):
img, labels = generate_one(i, rng)
img.save(img_dir / labels["image"], quality=92)
(lbl_dir / (labels["image"].replace(".png", ".json"))).write_text(
json.dumps(labels, indent=1))
ncards = len(labels["card_bboxes"])
deck_check.append(ncards)
if i < 3:
print(f"test_{i:03d}: {ncards} cards, {len(labels['seats'])} seats, "
f"stage={labels['stage']}, pot={labels['pot']}")
print(f"done: {args.n} images; cards/image avg={sum(deck_check)/len(deck_check):.1f}")
if __name__ == "__main__":
main()
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