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| #!/usr/bin/env python3
| """Compose a 3D stacked-window hero from the real TagLauncher screenshot."""
|
| from __future__ import annotations
|
| import math
| from pathlib import Path
|
| import numpy as np
| from PIL import Image, ImageDraw, ImageEnhance, ImageFilter, ImageOps
|
| ROOT = Path(__file__).resolve().parents[1]
| ASSETS = ROOT / "assets"
| _jpg = ASSETS / "hero-source-grid.jpg"
| _png = ASSETS / "hero-source-grid.png"
| SRC = _jpg if _jpg.exists() else _png
| OUT = ASSETS / "hero-visual-stack.jpg"
|
| CANVAS_W, CANVAS_H = 1180, 640
| BG = (255, 255, 255, 255)
|
|
| def find_coeffs(src: list[tuple[float, float]], dst: list[tuple[float, float]]) -> list[float]:
| matrix = []
| for (x, y), (u, v) in zip(src, dst):
| matrix.append([x, y, 1, 0, 0, 0, -u * x, -u * y])
| matrix.append([0, 0, 0, x, y, 1, -v * x, -v * y])
| a = np.matrix(matrix, dtype=float)
| b = np.array(dst).reshape(8)
| res = np.dot(np.linalg.inv(a.T * a) * a.T, b)
| return np.array(res).reshape(8).tolist()
|
|
| def warp_quad(img: Image.Image, quad: list[tuple[float, float]], out_size: tuple[int, int]) -> Image.Image:
| w, h = img.size
| src = [(0, 0), (w, 0), (w, h), (0, h)]
| coeffs = find_coeffs(src, quad)
| return img.transform(out_size, Image.PERSPECTIVE, coeffs, Image.BICUBIC)
|
|
| def rounded_mask(size: tuple[int, int], radius: int) -> Image.Image:
| mask = Image.new("L", size, 0)
| draw = ImageDraw.Draw(mask)
| draw.rounded_rectangle((0, 0, size[0] - 1, size[1] - 1), radius=radius, fill=255)
| return mask
|
|
| def crop_app_content(src: Image.Image) -> Image.Image:
| w, h = src.size
| if w > 2000:
| top = int(h * 0.055)
| left = int(w * 0.018)
| right = int(w * 0.982)
| bottom = int(h * 0.93)
| else:
| top = int(h * 0.04)
| left = int(w * 0.02)
| right = int(w * 0.98)
| bottom = int(h * 0.96)
| return src.crop((left, top, right, bottom))
|
|
| def make_window(content: Image.Image, title_h: int = 34, radius: int = 14) -> Image.Image:
| content = content.convert("RGBA")
| cw, ch = content.size
| frame = Image.new("RGBA", (cw, ch + title_h), (0, 0, 0, 0))
| body = Image.new("RGBA", (cw, ch + title_h), (245, 245, 247, 255))
| mask = rounded_mask((cw, ch + title_h), radius)
| body.putalpha(mask)
| frame.alpha_composite(body)
|
| draw = ImageDraw.Draw(frame)
| bar_h = title_h
| draw.rounded_rectangle((0, 0, cw - 1, bar_h + 6), radius=radius, fill=(236, 236, 238, 255))
| lights = [(18, bar_h // 2), (38, bar_h // 2), (58, bar_h // 2)]
| colors = [(255, 95, 86, 255), (255, 189, 46, 255), (39, 201, 63, 255)]
| for (x, y), color in zip(lights, colors):
| r = 7
| draw.ellipse((x - r, y - r, x + r, y + r), fill=color)
|
| shadow = Image.new("RGBA", (cw, ch + title_h), (0, 0, 0, 0))
| shadow_draw = ImageDraw.Draw(shadow)
| shadow_draw.rounded_rectangle((8, 10, cw - 2, ch + title_h - 2), radius=radius, fill=(0, 0, 0, 42))
| shadow = shadow.filter(ImageFilter.GaussianBlur(10))
| out = Image.new("RGBA", (cw + 16, ch + title_h + 16), (0, 0, 0, 0))
| out.alpha_composite(shadow, (0, 0))
| out.alpha_composite(frame, (8, 4))
| out.alpha_composite(content, (8, 4 + title_h))
| return out
|
|
| def tint_layer(img: Image.Image, brightness: float, alpha: float) -> Image.Image:
| layer = ImageEnhance.Brightness(img).enhance(brightness)
| layer = ImageEnhance.Color(layer).enhance(0.75)
| r, g, b, a = layer.split()
| a = a.point(lambda v: int(v * alpha))
| layer.putalpha(a)
| return layer
|
|
| def draw_tag_sidebar(size: tuple[int, int]) -> Image.Image:
| w, h = size
| side = Image.new("RGBA", size, (0, 0, 0, 0))
| draw = ImageDraw.Draw(side)
| draw.rounded_rectangle((0, 0, w - 1, h - 1), radius=12, fill=(34, 34, 38, 235))
| colors = [
| (76, 175, 80),
| (156, 39, 176),
| (33, 150, 243),
| (244, 67, 54),
| (255, 152, 0),
| (0, 188, 212),
| (233, 30, 99),
| ]
| gap = 8
| bar_w = w - 18
| bar_h = max(18, (h - gap * (len(colors) + 1)) // len(colors))
| y = 10
| for color in colors:
| draw.rounded_rectangle((9, y, 9 + bar_w, y + bar_h), radius=6, fill=(*color, 255))
| y += bar_h + gap
| return side
|
|
| def place_layer(
| canvas: Image.Image,
| layer: Image.Image,
| quad: list[tuple[float, float]],
| shadow_blur: int = 18,
| shadow_alpha: int = 55,
| ) -> None:
| xs = [p[0] for p in quad]
| ys = [p[1] for p in quad]
| pad = 30
| min_x, max_x = int(min(xs)) - pad, int(max(xs)) + pad
| min_y, max_y = int(min(ys)) - pad, int(max(ys)) + pad
| box_w = max(1, max_x - min_x)
| box_h = max(1, max_y - min_y)
| local_quad = [(x - min_x, y - min_y) for x, y in quad]
| warped = warp_quad(layer, local_quad, (box_w, box_h))
|
| shadow = Image.new("RGBA", (box_w, box_h), (0, 0, 0, 0))
| alpha = warped.split()[3]
| shadow.putalpha(alpha.point(lambda v: min(v, shadow_alpha)))
| shadow = shadow.filter(ImageFilter.GaussianBlur(shadow_blur))
| canvas.alpha_composite(shadow, (min_x + 10, min_y + 16))
| canvas.alpha_composite(warped, (min_x, min_y))
|
|
| def add_reflection(canvas: Image.Image, subject_box: tuple[int, int, int, int], strength: float = 0.22) -> None:
| x0, y0, x1, y1 = subject_box
| subject = canvas.crop((x0, y0, x1, y1)).convert("RGBA")
| refl_h = int((y1 - y0) * 0.14)
| if refl_h < 8:
| return
| strip = subject.crop((0, subject.height - refl_h, subject.width, subject.height))
| reflected = ImageOps.flip(strip)
| grad = Image.linear_gradient("L").resize((reflected.width, reflected.height))
| reflected.putalpha(grad.point(lambda v: int(v * strength)))
| canvas.alpha_composite(reflected, (x0, y1 + 2))
|
|
| def build() -> Image.Image:
| src = Image.open(SRC).convert("RGBA")
| content = crop_app_content(src)
| target_w = 820 if content.width < 2000 else 760
| scale = target_w / content.width
| target_h = int(content.height * scale)
| content = content.resize((target_w, target_h), Image.LANCZOS)
|
| front = make_window(content, title_h=30, radius=12)
| back_content = content.resize((int(target_w * 0.92), int(target_h * 0.92)), Image.LANCZOS)
| back = tint_layer(make_window(back_content, title_h=26, radius=10), brightness=0.42, alpha=0.92)
| deep = tint_layer(make_window(back_content.resize((int(target_w * 0.84), int(target_h * 0.84)), Image.LANCZOS), title_h=22, radius=10), brightness=0.28, alpha=0.88)
| sidebar = draw_tag_sidebar((74, int(target_h * 0.78)))
|
| canvas = Image.new("RGBA", (CANVAS_W, CANVAS_H), BG)
| fw, fh = front.size
|
| ox, oy = 210, 36
| front_quad = [
| (ox, oy + fh * 0.1),
| (ox + fw * 0.97, oy + fh * 0.02),
| (ox + fw * 0.99, oy + fh * 0.96),
| (ox + fw * 0.05, oy + fh),
| ]
| back_quad = [
| (ox + 88, oy - 24),
| (ox + fw + 62, oy - 56),
| (ox + fw + 78, oy + fh - 42),
| (ox + 104, oy + fh - 12),
| ]
| deep_quad = [
| (ox + 138, oy - 64),
| (ox + fw + 104, oy - 98),
| (ox + fw + 120, oy + fh - 78),
| (ox + 154, oy + fh - 40),
| ]
| side_quad = [
| (ox + fw + 22, oy + 24),
| (ox + fw + 98, oy + 8),
| (ox + fw + 104, oy + fh - 52),
| (ox + fw + 30, oy + fh - 18),
| ]
|
| place_layer(canvas, deep, deep_quad, shadow_blur=24, shadow_alpha=40)
| place_layer(canvas, back, back_quad, shadow_blur=20, shadow_alpha=48)
| place_layer(canvas, sidebar, side_quad, shadow_blur=12, shadow_alpha=70)
| place_layer(canvas, front, front_quad, shadow_blur=22, shadow_alpha=62)
|
| all_x = [p[0] for quad in (deep_quad, back_quad, side_quad, front_quad) for p in quad]
| all_y = [p[1] for quad in (deep_quad, back_quad, side_quad, front_quad) for p in quad]
| add_reflection(canvas, (int(min(all_x)), int(min(all_y)), int(max(all_x) + fw * 0.2), int(max(all_y) + fh * 0.05)))
|
| return canvas.convert("RGB")
|
|
| def main() -> None:
| img = build()
| img.save(OUT, quality=93, optimize=True, progressive=True)
| print(f"wrote {OUT} ({img.size[0]}x{img.size[1]})")
|
|
| if __name__ == "__main__":
| main()
|
|