LibGD 2.1.0-rc1，图片操作类库

GD是一个创建和读取PNG，JPEG，GIF，WBMP，XPM格式的图片类库。它拥有许多功能并能够在脚本中使用如(e.g. PHP, Perl, Ruby, Lua, 和 Python)来生动态生成图片。PHP users should note that PHP 4.3.x includes its own distribution of gd, which is currently the best choice for PHP applications.

发布日志: This release fixes reported bugs and glitches.