59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
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"""用真实渲染结果判"会不会被圆屏切掉"。
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做法：渲染一张**不套圆形遮罩**的 RGBA，然后量所有非透明像素到圆心的距离。
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这样自动考虑字体实际字宽、折行、圆角、图片缩放 —— 比按元素外框估算准得多。
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"""
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import os, sys, math
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from PIL import Image, ImageDraw
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from render_ui import draw_label, W, H
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from pages import PAGES
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CX = CY = 233.0
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R = 233.0
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def render_raw(items):
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img = Image.new('RGBA', (W, None) if False else (W, H), (0, 0, 0, 0))
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d = ImageDraw.Draw(img)
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from render_ui import _rgb, font
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for it in items:
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k = it.get('kind')
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if k == 'rect':
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box = [it['x'], it['y'], it['x'] + it['w'] - 1, it['y'] + it['h'] - 1]
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r = it.get('radius', 0)
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if r:
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d.rounded_rectangle(box, radius=r, fill=_rgb(it['bg']) + (255,))
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else:
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d.rectangle(box, fill=_rgb(it['bg']) + (255,))
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elif k == 'circle':
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d.ellipse([it['x'], it['y'], it['x'] + it['w'] - 1, it['y'] + it['h'] - 1],
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fill=_rgb(it['bg']) + (255,))
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elif k == 'image':
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if os.path.exists(it['src']):
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im = Image.open(it['src']).convert('RGBA').resize((it['w'], it['h']), Image.LANCZOS)
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img.alpha_composite(im, (it['x'], it['y']))
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elif k == 'label':
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draw_label(img, d, it)
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return img
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print(f'{"page":<10} {"max r":>7} {"outside px":>11} worst point / note')
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print('-' * 78)
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for name, items in PAGES.items():
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im = render_raw(items)
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px = im.load()
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worst, wpt, outside = 0.0, None, 0
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for y in range(H):
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for x in range(W):
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if px[x, y][3] > 8:
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d = math.hypot(x - CX, y - CY)
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if d > worst:
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worst, wpt = d, (x, y)
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if d > R:
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outside += 1
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note = '全部在圆内' if worst <= R else f'会被切 {outside} px'
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print(f'{name:<10} {worst:>7.1f} {outside:>11} {wpt} {note}')
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print('-' * 78)
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print(f'圆心 ({CX:.0f},{CY:.0f}) 半径 {R:.0f} 画布 {W}x{H}')
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