87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
#!/usr/bin/env python3
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"""Generate app icon for Saat Invest (1024x1024, anti-aliased 4x supersample).
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Desain: bg hijau zamrud gradient, garis grafik naik putih tebal, titik akhir,
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badge 'Rp' kecil. Simpan ke flutter/assets/icon/app_icon.png."""
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import math
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from PIL import Image, ImageDraw, ImageFont
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SS = 4 # supersample factor
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SIZE = 1024
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W = H = SIZE * SS
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# --- background gradient (emerald) ---
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top = (0x16, 0x8a, 0x63) # lebih terang
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bot = (0x07, 0x53, 0x3a) # lebih gelap
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img = Image.new('RGB', (W, H))
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px = img.load()
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for y in range(H):
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t = y / (H - 1)
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r = int(top[0] + (bot[0] - top[0]) * t)
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g = int(top[1] + (bot[1] - top[1]) * t)
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b = int(top[2] + (bot[2] - top[2]) * t)
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for x in range(W):
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px[x, y] = (r, g, b)
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d = ImageDraw.Draw(img)
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WHITE = (255, 255, 255, 255)
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SOFT = (255, 255, 255, 128)
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def pt(x, y):
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"""convert normalized (0..1) to supersampled px coords."""
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return (x * W, y * H)
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# --- line chart (naik) ---
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# area chart di tengah (safe zone); baseline 0.78 -> puncak 0.34
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line_pts = [
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(0.18, 0.72),
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(0.36, 0.58),
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(0.52, 0.62),
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(0.68, 0.46),
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(0.82, 0.34),
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]
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pts_px = [pt(x, y) for x, y in line_pts]
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# stroke tebal dengan join bulat
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lw = int(0.078 * W)
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d.line(pts_px, fill=WHITE, width=lw, joint='curve')
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# titik pada tiap vertex (bulatan kecil)
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r = int(0.042 * W)
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for (x, y) in pts_px:
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d.ellipse([x - r, y - r, x + r, y + r], fill=WHITE)
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# area di bawah garis (fill lembut)
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base_y = 0.80 * H
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poly = [(pts_px[0][0], base_y)] + list(pts_px) + [(pts_px[-1][0], base_y)]
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overlay = Image.new('RGBA', (W, H), (0, 0, 0, 0))
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od = ImageDraw.Draw(overlay)
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od.polygon(poly, fill=(255, 255, 255, 45))
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img = Image.alpha_composite(img.convert('RGBA'), overlay)
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d = ImageDraw.Draw(img)
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# --- badge 'Rp' ---
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# posisikan di kiri-atas dari ujung grafik, tetap dalam safe zone
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font_path = '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'
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fsize = int(0.105 * W)
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f = ImageFont.truetype(font_path, fsize)
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text = 'Rp'
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bbox = d.textbbox((0, 0), text, font=f)
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tw = bbox[2] - bbox[0]
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th = bbox[3] - bbox[1]
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# badge bulat: di atas segmen terakhir, kiri dari titik ujung
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bcx = pts_px[-2][0] * 0.92 + pts_px[-1][0] * 0.08 - 0.10 * W
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bcy = pts_px[-2][1] * 0.5 + pts_px[-1][1] * 0.5 - 0.20 * H
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br = int(0.105 * W)
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d.ellipse([bcx - br, bcy - br, bcx + br, bcy + br], fill=(255, 255, 255, 240))
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# teks Rp hijau tua di badge
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d.text((bcx - tw / 2 - bbox[0], bcy - th / 2 - bbox[1]), text,
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font=f, fill=(0x07, 0x53, 0x3a, 255))
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# --- downscale to 1024 (Lanczos) ---
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out = img.resize((SIZE, SIZE), Image.Resampling.LANCZOS).convert('RGB')
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import os
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os.makedirs('flutter/assets/icon', exist_ok=True)
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out.save('flutter/assets/icon/app_icon.png')
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print('saved flutter/assets/icon/app_icon.png', out.size)
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