20260629222128
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# -*- coding: utf-8 -*-
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import sys
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import io
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import urllib.request
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from PIL import Image
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URL = ("http://118.89.70.199:9001/test/finance-category-default/income/hongbao.webp"
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"?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD"
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"&X-Amz-Credential=54WPUR104SA9X00EKWS3%2F20260629%2Fus-east-1%2Fs3%2Faws4_request"
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"&X-Amz-Date=20260629T105003Z&X-Amz-Expires=86400"
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"&X-Amz-Security-Token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJleHAiOjE3ODI3NzMyMDUsInBhcmVudCI6Im9uZWFvIn0.zkP6L1zg_LPy1UuK-3-VT6LEWuhLNickKWTWDly_PzJCnwIRPS4naSZE9Lx84HtXPVVhxaZguHXl65AXjROJZA"
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"&X-Amz-Signature=b763181ad8bf74deb2ac55ac18402d26a91075088c9c109cfd3a4da6cca7b38f"
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"&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject")
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out_path = r"D:\workspace\code\app\.workbuddy\hongbao.webp"
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req = urllib.request.Request(URL, headers={"User-Agent": "Mozilla/5.0"})
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with urllib.request.urlopen(req, timeout=60) as resp:
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data = resp.read()
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print("Downloaded bytes:", len(data))
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with open(out_path, "wb") as f:
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f.write(data)
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img = Image.open(out_path)
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print("Format:", img.format)
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print("Size:", img.size)
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print("Mode:", img.mode)
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# Force load pixel data
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img.load()
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has_alpha = img.mode in ("RGBA", "LA") or (img.mode == "P" and "transparency" in img.info)
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print("Has alpha channel:", has_alpha)
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if img.mode == "P":
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# Convert palette to RGBA to inspect real pixels
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rgba = img.convert("RGBA")
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elif img.mode != "RGBA":
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rgba = img.convert("RGBA")
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else:
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rgba = img
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w, h = rgba.size
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px = rgba.load()
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def info(x, y):
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r, g, b, a = px[x, y]
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return f"({x},{y}) RGBA=({r},{g},{b},{a})"
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print("\n--- Corner pixels ---")
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print("TL", info(0, 0))
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print("TR", info(w - 1, 0))
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print("BL", info(0, h - 1))
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print("BR", info(w - 1, h - 1))
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print("\n--- Edge midpoints ---")
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print("Top-mid", info(w // 2, 0))
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print("Bottom-mid", info(w // 2, h - 1))
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print("Left-mid", info(0, h // 2))
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print("Right-mid", info(w - 1, h // 2))
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# Statistics over all pixels
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total = w * h
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transparent = 0 # alpha == 0
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near_transparent = 0 # alpha < 255 and > 0
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fully_opaque = 0 # alpha == 255
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white_pixels = 0 # opaque & RGB ~ (255,255,255)
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near_white_bg = 0 # alpha==0 OR rgb near white
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for y in range(h):
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for x in range(w):
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r, g, b, a = px[x, y]
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if a == 0:
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transparent += 1
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elif a < 255:
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near_transparent += 1
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else:
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fully_opaque += 1
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if r > 245 and g > 245 and b > 245:
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white_pixels += 1
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print("\n--- Global statistics ---")
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print("Total pixels:", total)
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print("Fully transparent (a==0):", transparent, f"({100*transparent/total:.2f}%)")
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print("Semi-transparent (0<a<255):", near_transparent, f"({100*near_transparent/total:.2f}%)")
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print("Fully opaque (a==255):", fully_opaque, f"({100*fully_opaque/total:.2f}%)")
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print("Opaque & near-white:", white_pixels, f"({100*white_pixels/total:.2f}%)")
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# Border-only statistics (outer 2px ring) - this is what reveals background
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def is_border(x, y, w, h, t=2):
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return x < t or y < t or x >= w - t or y >= h - t
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border_total = 0
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border_trans = 0
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border_white = 0
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for y in range(h):
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for x in range(w):
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if is_border(x, y, w, h):
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border_total += 1
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r, g, b, a = px[x, y]
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if a == 0:
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border_trans += 1
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elif r > 245 and g > 245 and b > 245:
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border_white += 1
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print("\n--- Border ring (outer 2px) ---")
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print("Border pixels:", border_total)
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print("Border transparent:", border_trans, f"({100*border_trans/border_total:.2f}%)")
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print("Border near-white opaque:", border_white, f"({100*border_white/border_total:.2f}%)")
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print("\n=== CONCLUSION ===")
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if border_trans / border_total > 0.5:
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print("BACKGROUND IS TRANSPARENT (alpha channel, mostly a==0 at edges)")
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elif border_white / border_total > 0.5:
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print("BACKGROUND IS WHITE (opaque near-white pixels at edges)")
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else:
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print("Background is neither clearly transparent nor white - inspect manually")
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Binary file not shown.
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After Width: | Height: | Size: 4.4 KiB |
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After Width: | Height: | Size: 32 KiB |
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# -*- coding: utf-8 -*-
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from PIL import Image, ImageDraw
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src = r"D:\workspace\code\app\.workbuddy\hongbao.webp"
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img = Image.open(src).convert("RGBA")
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w, h = img.size
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tile = 16
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# Panel 1: checkerboard background (shows transparency)
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def make_checker(width, height, t):
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cb = Image.new("RGB", (width, height), (255, 255, 255))
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d = ImageDraw.Draw(cb)
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for y in range(0, height, t):
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for x in range(0, width, t):
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if (x // t + y // t) % 2 == 0:
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d.rectangle([x, y, x + t - 1, y + t - 1], fill=(204, 204, 204))
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return cb
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checker = make_checker(w, h, tile).convert("RGBA")
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panel1 = Image.alpha_composite(checker, img).convert("RGB")
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# Panel 2: white background
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white_bg = Image.new("RGBA", (w, h), (255, 255, 255, 255))
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panel2 = Image.alpha_composite(white_bg, img).convert("RGB")
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# Panel 3: alpha channel as grayscale (white = opaque, black = transparent)
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alpha = img.split()[3]
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panel3 = Image.merge("RGB", (alpha, alpha, alpha))
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# Combine with labels
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gap = 10
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label_h = 28
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total_w = w * 3 + gap * 2
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total_h = h + label_h
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canvas = Image.new("RGB", (total_w, total_h), (245, 245, 245))
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canvas.paste(panel1, (0, label_h))
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canvas.paste(panel2, (w + gap, label_h))
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canvas.paste(panel3, (w * 2 + gap * 2, label_h))
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d = ImageDraw.Draw(canvas)
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d.text((4, 6), "Transparent bg (checker)", fill=(0, 0, 0))
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d.text((w + gap + 4, 6), "White bg", fill=(0, 0, 0))
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d.text((w * 2 + gap * 2 + 4, 6), "Alpha channel", fill=(0, 0, 0))
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out = r"D:\workspace\code\app\.workbuddy\hongbao_bg_compare.png"
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canvas.save(out)
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print("Saved:", out)
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@@ -0,0 +1,22 @@
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# 2026-06-29 工作日志
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## finance_default 图标背景色检查
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- 检查 `finance-category-default/income/hongbao.webp` 背景是否透明
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- 使用 Python + Pillow 下载并分析像素 alpha 通道
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- 结果：**背景为透明色**（RGBA 模式，外层 2px 边缘 100% 完全透明 a==0，全局 38.15% 像素完全透明）
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- 图片尺寸 256x256，webp 格式
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- 生成对比图 `hongbao_bg_compare.png`（透明棋盘格 / 白色背景 / alpha 通道三视图）
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- 分析脚本：`.workbuddy/check_bg.py`、`.workbuddy/make_compare.py`
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## finance/add/index.tsx 修复
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- 修复第 302 行乱码：`璁拌处` → `记账`（UTF-8 被误解释为 GBK）
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## FinanceCategoryIcon 背景色修复
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- 移除 `FinanceCategoryIcon` 内部 View 的 `backgroundColor: "#F3F4F6"`（DEFAULT_BG）
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- 根因：该背景色遮挡了外层选中态 `bg-accent` 绿色，导致图片透明区域显示灰色而非绿色
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- 选中态背景由外层 `CategoryItem` 的 `bg-accent` / `bg-gray-100` 控制
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## 记账 add 页面 BottomSheet 布局调整
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- 分类 icon+名称与日期合并到同一行（左右分布）
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- 金额移除 Label，居中放大（text-4xl）
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- 备注保持不变
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