(UI 0.9.9)
UI\Draw\Text\Font\Descriptor::__construct — 构造新的字体描述符
$family
,$size
,$weight
= UI\Draw\Text\Font\Weight::Normal,$italic
= UI\Draw\Text\Font\Italic::Normal,$stretch
= UI\Draw\Text\Font\Stretch::Normal将构造一个新的字体描述符
family
有效字体系列的名称
size
首选大小
weight
UI\Draw\Text\Font\Weight 常量
italic
UI\Draw\Text\Font\Italic 常量
stretch
UI\Draw\Text\Font\Stretch 常量