24024
d4b28a731a
- 新增 SystemNotification 模型，实现系统通知的数据存储 - 管理后台新增通知相关接口，支持通知的增删改查 - 用户端新增接口，获取最新激活通知并支持标记已读 - 在前端首页添加全局通知弹窗，实现通知自动轮询及已读同步 - 生成历史记录中兼容支持图片缩略图及新旧图片格式 - 优化后台图片同步逻辑，新增缩略图生成与存储 - 支持上传参考图的拖拽、粘贴、多文件上传及排序功能 - 增加购买积分页面入口及菜单项，调整菜单结构 - 日志系统由 Redis 列表迁移为有序集合，保留 30 天日志 - 优化日志页面样式，提升可读性及滚动体验 - 调整部分模板布局为自定义滚动条容器，增强视觉一致性
76 lines
1.7 KiB
Python
76 lines
1.7 KiB
Python
#
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# The Python Imaging Library.
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# $Id$
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#
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# Windows Cursor support for PIL
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#
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# notes:
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# uses BmpImagePlugin.py to read the bitmap data.
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#
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# history:
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# 96-05-27 fl Created
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#
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# Copyright (c) Secret Labs AB 1997.
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# Copyright (c) Fredrik Lundh 1996.
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#
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# See the README file for information on usage and redistribution.
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#
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from __future__ import annotations
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from . import BmpImagePlugin, Image
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from ._binary import i16le as i16
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from ._binary import i32le as i32
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#
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# --------------------------------------------------------------------
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def _accept(prefix: bytes) -> bool:
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return prefix.startswith(b"\0\0\2\0")
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##
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# Image plugin for Windows Cursor files.
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class CurImageFile(BmpImagePlugin.BmpImageFile):
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format = "CUR"
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format_description = "Windows Cursor"
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def _open(self) -> None:
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assert self.fp is not None
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offset = self.fp.tell()
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# check magic
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s = self.fp.read(6)
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if not _accept(s):
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msg = "not a CUR file"
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raise SyntaxError(msg)
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# pick the largest cursor in the file
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m = b""
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for i in range(i16(s, 4)):
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s = self.fp.read(16)
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if not m:
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m = s
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elif s[0] > m[0] and s[1] > m[1]:
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m = s
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if not m:
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msg = "No cursors were found"
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raise TypeError(msg)
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# load as bitmap
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self._bitmap(i32(m, 12) + offset)
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# patch up the bitmap height
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self._size = self.size[0], self.size[1] // 2
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self.tile = [self.tile[0]._replace(extents=(0, 0) + self.size)]
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#
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# --------------------------------------------------------------------
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Image.register_open(CurImageFile.format, CurImageFile, _accept)
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Image.register_extension(CurImageFile.format, ".cur")
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