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| #!/usr/bin/env python3 | |
| """Rebuilds assets/bg_*.jpg: the theme backgrounds (America: official portrait, public domain; Korea: drawn taegeuk; Ling: the flag; Reitenland: drawn tricolour).""" | |
| import sys | |
| from pathlib import Path | |
| from PIL import Image, ImageDraw | |
| OUT = Path(__file__).parent / 'assets' | |
| RED, BLUE, BLACK = (205, 46, 58), (0, 71, 160), (20, 20, 20) | |
| def shrink(im, w): | |
| im = im.convert('RGB') | |
| return im.resize((w, round(im.height * w / im.width)), Image.LANCZOS) | |
| def korea(W=1600, H=1000, S=2): | |
| im = Image.new('RGB', (W * S, H * S), 'white'); d = ImageDraw.Draw(im) | |
| cx, cy, r = W * S // 2, H * S // 2, 200 * S | |
| d.pieslice([cx - r, cy - r, cx + r, cy + r], 180, 360, fill=RED) | |
| d.pieslice([cx - r, cy - r, cx + r, cy + r], 0, 180, fill=BLUE) | |
| d.ellipse([cx - r, cy - r // 2, cx, cy + r // 2], fill=RED) | |
| d.ellipse([cx, cy - r // 2, cx + r, cy + r // 2], fill=BLUE) | |
| bh, gap, L = 30 * S, 16 * S, 260 * S | |
| def trigram(x, y, rot, lines): | |
| g = Image.new('RGBA', (L, bh * 3 + gap * 2), (0, 0, 0, 0)); gd = ImageDraw.Draw(g) | |
| for i, solid in enumerate(lines): | |
| yy = i * (bh + gap) | |
| if solid: gd.rectangle([0, yy, L, yy + bh], fill=BLACK) | |
| else: gd.rectangle([0, yy, int(L * .44), yy + bh], fill=BLACK); gd.rectangle([int(L * .56), yy, L, yy + bh], fill=BLACK) | |
| g = g.rotate(rot, expand=True) | |
| im.paste(g, (int(x - g.width / 2), int(y - g.height / 2)), g) | |
| # geon, gam, gon, ri at the four corners of the Taegukgi | |
| for sx, sy, rot, lines in [(-1, -1, -33.7, (1, 1, 1)), (1, -1, 33.7, (0, 1, 0)), (1, 1, -33.7, (0, 0, 0)), (-1, 1, 33.7, (1, 0, 1))]: | |
| trigram(cx + sx * 520 * S, cy + sy * 300 * S, rot, lines) | |
| return im.resize((W, H), Image.LANCZOS) | |
| def reitenland(W=1620, H=1080): | |
| """The flag of Reitenland: three equal horizontal stripes, orange, red and white.""" | |
| im = Image.new('RGB', (W, H), 'white'); d = ImageDraw.Draw(im) | |
| d.rectangle([0, 0, W, H // 3], fill=(255, 140, 0)); d.rectangle([0, H // 3, W, 2 * H // 3], fill=(204, 0, 0)) | |
| return im | |
| if __name__ == '__main__': | |
| # usage: make_assets.py clinton_portrait.jpg ling_flag.png | |
| OUT.mkdir(exist_ok=True) | |
| shrink(Image.open(sys.argv[1]), 900).save(OUT / 'bg_america.jpg', quality=72, optimize=True) | |
| shrink(Image.open(sys.argv[2]), 800).save(OUT / 'bg_ling.jpg', quality=72, optimize=True) | |
| korea().save(OUT / 'bg_korea.jpg', quality=80, optimize=True) | |
| reitenland().save(OUT / 'bg_reitenland.jpg', quality=90, optimize=True) | |