图管家 (PicSteward) 第三方组件与许可证声明
============================================================

本软件为绿色单文件程序，运行时只调用 Windows 系统自带的组件，
不需要用户额外安装任何运行库。

本文档按开源许可证要求随程序一同分发，请勿删除。


============================================================
一、运行时依赖（Windows 系统自带，不随本软件分发）
============================================================

  GDI+      gdiplus.dll         屏幕绘制、图标与文字的矢量渲染
  WIC       windowscodecs.dll   图片解码 / 编码 / EXIF 元数据
  DWMAPI    dwmapi.dll          无边框窗口的暗色边框与圆角
  打印      winspool.drv        打印对话框与打印输出
  其它      user32 / gdi32 / shell32 / ole32 / shlwapi / msimg32 等基础系统 API

以上均为 Microsoft Windows 操作系统的组成部分，由系统提供。
本软件通过公开 API 调用，不包含也不分发其代码。

C 运行库采用 GCC 静态链接（libgcc）。GCC 运行库带有
"GCC Runtime Library Exception"，允许以任意许可证分发编译产物，
无需随附其源码。


============================================================
二、内置的第三方源码
============================================================

本软件内嵌 libwebp 1.5.0 的源码（用于读写 WebP 格式），未修改其算法实现。

  组件名称：libwebp
  版本：    1.5.0
  版权：    Copyright (c) 2010, Google Inc. All rights reserved.
  许可证：  BSD 3-Clause License
  官网：    https://chromium.googlesource.com/webm/libwebp
  用途：    WebP 图片的解码与编码

内嵌的子模块：
  src/dec      解码器
  src/enc      编码器
  src/dsp      底层 DSP（本构建只使用其纯 C 路径，未启用 SIMD）
  src/utils    公共工具
  sharpyuv     RGB→YUV 转换（libwebp 1.2 起分离出的子模块）

------------------------------------------------------------
libwebp 完整许可证（BSD 3-Clause）
------------------------------------------------------------

Copyright (c) 2010, Google Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

  * Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.

  * Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in
    the documentation and/or other materials provided with the
    distribution.

  * Neither the name of Google nor the names of its contributors may
    be used to endorse or promote products derived from this software
    without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

------------------------------------------------------------
附加专利授权（libwebp 的 PATENTS 文件）
------------------------------------------------------------

Google 就实现 WebP 格式所必需的专利，向所有使用者授予免版税的许可。
原文摘要：

  "Additional IP Rights Grant (Patents)

   The WebP format is designed to be freely usable. Google hereby grants
   to you a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
   irrevocable patent license to make, have made, use, offer to sell,
   sell, import, and otherwise transfer the WebP format..."

完整原文见 libwebp 源码包中的 PATENTS 文件。


============================================================
三、本软件的许可
============================================================

  Copyright (C) 2026 荣华软件  https://rongsoft.com

  本软件为闭源商业软件。上述第三方组件的使用遵守其各自的许可证条款；
  除此之外的一切权利由版权持有人保留。

  源码授权与定制开发：rongsoft@126.com
