Sticker Designer

Edit the colour grid in Cell 2, then run Cell 3 to preview.
Run Cell 4 to export as a print-ready PDF.

Palette: - I = #524BD5 indigo - G = #3C8662 pine green - Y = #F6D148 gold - R = #E34927 vermillion - K = #252628 dark grey (off)

import sys, random
from pathlib import Path
from IPython.display import SVG, display, HTML

sys.path.insert(0, '.')
from generate_postcards import WORDS, FONT, WHITE

# ── palette shortcuts ─────────────────────────────────────────────────────────
I = '#524BD5'   # indigo
G = '#3C8662'   # pine green
Y = '#F6D148'   # gold
R = '#E34927'   # vermillion
K = '#252628'   # dark grey

def render(cell_colors, seed=42, tile=61, gap=2):
    """
    cell_colors : list[str] of length 16, indexed by grid cell (row*4 + col).
                  Top-left = index 0, bottom-right = index 15.
    seed        : controls which 8 cells get words and in what order.
    """
    assert len(cell_colors) == 16, 'Need exactly 16 colours'
    rng = random.Random(seed)
    cells = list(range(16))
    rng.shuffle(cells)
    word_cells = sorted(cells[:8])
    cell_to_word = {cell: WORDS[rank] for rank, cell in enumerate(word_cells)}

    S  = tile * 4 + gap * 3
    fs = max(7, tile // 8)

    parts = [
        f'<svg xmlns="http://www.w3.org/2000/svg" width="2.5in" height="2.5in"'
        f' viewBox="0 0 {S} {S}">',
        f'  <rect width="{S}" height="{S}" fill="{WHITE}"/>',
        '  <defs><filter id="ts">',
        '    <feDropShadow dx="0" dy="0.6" stdDeviation="0.8"',
        '                  flood-color="#000" flood-opacity="0.22"/>',
        '  </filter></defs>',
    ]
    for cell in range(16):
        col, row = cell % 4, cell // 4
        x, y = col * (tile + gap), row * (tile + gap)
        fill = cell_colors[cell]
        parts.append(f'  <rect x="{x}" y="{y}" width="{tile}" height="{tile}" fill="{fill}"/>')
        if cell in cell_to_word:
            cx, cy = x + tile / 2, y + tile / 2
            parts.append(
                f'  <text x="{cx:.1f}" y="{cy:.1f}" text-anchor="middle"'
                f' dominant-baseline="central" font-family="{FONT}"'
                f' font-size="{fs}" font-weight="500" fill="{WHITE}"'
                f' filter="url(#ts)">{cell_to_word[cell]}</text>'
            )
    parts.append('</svg>')
    return '\n'.join(parts)


def color_grid(cell_colors):
    """Show a quick colour-only preview of the 4×4 layout."""
    rows = []
    for r in range(4):
        cells = ''.join(
            f'<td style="width:48px;height:48px;background:{cell_colors[r*4+c]};'
            f'border:2px solid white;"></td>'
            for c in range(4)
        )
        rows.append(f'<tr>{cells}</tr>')
    display(HTML(f'<table style="border-collapse:collapse;margin-bottom:8px">{" ".join(rows)}</table>'))


print('ready — edit Cell 2 then run Cell 3')

ready — edit Cell 2 then run Cell 3

# ── EDIT HERE ────────────────────────────────────────────────────────────────
# Layout mirrors the printed grid: row 0 = top, col 0 = left.
# Use the single-letter shortcuts:  I  G  Y  R  K

#          col0  col1  col2  col3
row0 = [    K,    K,    K,    I   ]
row1 = [    K,    K,    K,    K   ]
row2 = [    I,    R,    K,    K   ]
row3 = [    K,    K,    K,    K  ]

cell_colors = row0 + row1 + row2 + row3

SEED = 43   # change to reshuffle word positions
# ─────────────────────────────────────────────────────────────────────────────

# ── preview ───────────────────────────────────────────────────────────────────
color_grid(cell_colors)   # quick colour-only layout
svg = render(cell_colors, seed=SEED)
display(SVG(svg))         # full render with words

# ── export to PDF ─────────────────────────────────────────────────────────────
import os

OUT_DIR  = Path('docs/stickers/pdfs/custom')
OUT_DIR.mkdir(parents=True, exist_ok=True)

# Name the file — change to something memorable
NAME = f'custom_seed{SEED}'

svg_path = OUT_DIR / f'{NAME}.svg'
pdf_path = OUT_DIR / f'{NAME}.pdf'
svg_path.write_text(svg)

env = {**os.environ, 'DYLD_LIBRARY_PATH': '/opt/homebrew/lib'}
import subprocess
result = subprocess.run(
    [sys.executable, '-c',
     f'import cairosvg; cairosvg.svg2pdf(url=r"{svg_path}", write_to=r"{pdf_path}", dpi=300)'],
    env=env, capture_output=True, text=True
)
if result.returncode == 0:
    svg_path.unlink()
    print(f'saved → {pdf_path}')
else:
    print('PDF conversion failed:', result.stderr)
    print(f'SVG saved → {svg_path}')

saved → docs/stickers/pdfs/custom/custom_seed43.pdf