figure.py

1import os23# STYLE45FONT = "Helvetica,Arial,sans-serif"6# PALETTE7INK = "#000000"8MUTED = "#8e8e93"9PALE = "#bababf"10PAPER = "#ffffff"11CONCEPT = {12    "gasket": "#00cad8",13    "carpet": "#008cff",14    "sponge": "#6768fa",15    "prime": "#ff325a",16    "bound": "#ff8f2c",17    "window": "#ff3d40",18    "control": "#8e8e93",19}20PALETTE = {21    "black": "#000000",22    "white": "#ffffff",23    "red": "#ff3d40",24    "red-light": "#ff9d95",25    "red-dark": "#a80016",26    "orange": "#ff8f2c",27    "orange-light": "#ffc093",28    "orange-dark": "#a25400",29    "yellow": "#ffd100",30    "yellow-light": "#ffe591",31    "yellow-dark": "#9e8100",32    "green": "#32cc58",33    "green-light": "#5eee79",34    "green-dark": "#007f2c",35    "mint": "#00d1bb",36    "mint-light": "#48efd8",37    "mint-dark": "#008173",38    "teal": "#00cad8",39    "teal-light": "#48e9f7",40    "teal-dark": "#007c85",41    "cyan": "#1ec9f3",42    "cyan-light": "#86e2ff",43    "cyan-dark": "#007c98",44    "blue": "#008cff",45    "blue-light": "#84bdff",46    "blue-dark": "#00559f",47    "indigo": "#6768fa",48    "indigo-light": "#9ea9ff",49    "indigo-dark": "#3c2abc",50    "purple": "#d332e9",51    "purple-light": "#f08aff",52    "purple-dark": "#870097",53    "pink": "#ff325a",54    "pink-light": "#ff9a9f",55    "pink-dark": "#a50030",56    "brown": "#b18462",57    "brown-light": "#dfaf8c",58    "brown-dark": "#754c2b",59    "gray": "#8e8e93",60    "gray-light": "#bababf",61    "gray-dark": "#56565a",62}63# PALETTE END64STROKE = 1.265THIN = 0.666MARGIN = 366768def esc(s):69    return s.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")7071def header(width, height):72    return ['<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 %d %d" width="%d" height="%d">' % (width, height, width, height), '<rect width="%d" height="%d" fill="%s"/>' % (width, height, PAPER)]7374def text(x, y, s, size=11, fill=INK, anchor="start", weight=None):75    w = ' font-weight="%s"' % weight if weight else ""76    return '<text x="%.1f" y="%.1f" font-family="%s" font-size="%d" fill="%s" text-anchor="%s"%s>%s</text>' % (x, y, FONT, size, fill, anchor, w, esc(s))7778def line(x1, y1, x2, y2, stroke=INK, width=STROKE):79    return '<line x1="%.1f" y1="%.1f" x2="%.1f" y2="%.1f" stroke="%s" stroke-width="%.1f"/>' % (x1, y1, x2, y2, stroke, width)8081def rect(x, y, w, h, fill, opacity=1.0):82    return '<rect x="%.1f" y="%.1f" width="%.1f" height="%.1f" fill="%s" opacity="%.2f"/>' % (x, y, w, h, fill, opacity)8384def circle(x, y, r, fill):85    return '<circle cx="%.1f" cy="%.1f" r="%.1f" fill="%s"/>' % (x, y, r, fill)8687def save(parts, path):88    with open(path, "w") as handle:89        handle.write("\n".join(parts + ["</svg>"]) + "\n")9091# STYLE END9293# SPONGE9495CELL = 3496PAD = 1097GAP = 2698LAYERS = [99    ("z = 1", {(2, 2)}),100    ("z = 2", {(2, 1), (1, 2), (2, 2), (3, 2), (2, 3)}),101    ("z = 3", {(2, 2)}),102]103KEEP = PALETTE["indigo-light"]104DROP = CONCEPT["sponge"]105106def render():107    panel = 3 * CELL108    width = 2 * PAD + 3 * panel + 2 * GAP109    height = 2 * PAD + panel + 30110    out = header(width, height)111    for k, (label, removed) in enumerate(LAYERS):112        ox = PAD + k * (panel + GAP)113        oy = PAD114        for i in range(1, 4):115            for j in range(1, 4):116                x = ox + (i - 1) * CELL117                y = oy + (3 - j) * CELL118                colour = DROP if (i, j) in removed else KEEP119                out.append('<rect x="%d" y="%d" width="%d" height="%d" fill="%s" stroke="%s" stroke-width="%.1f"/>' % (x, y, CELL, CELL, colour, MUTED, THIN))120        out.append(text(ox + panel // 2, oy + panel + 20, label, size=13, fill=MUTED, anchor="middle"))121    return out122123def main():124    here = os.path.dirname(os.path.abspath(__file__))125    target = os.path.join(here, os.pardir, "figures")126    os.makedirs(target, exist_ok=True)127    save(render(), os.path.join(target, "sponge.svg"))128    print("wrote figures/sponge.svg")129130if __name__ == "__main__":131    main()