(PECL gmagick >= Unknown)
Gmagick::borderimage — Surrounds the image with a border
Surrounds the image with a border of the color defined by the bordercolor GmagickPixel object or a color string.
colorGmagickPixel object or a string containing the border color.
widthBorder width.
heightBorder height.
The Gmagick object with border defined.
错误时抛出 GmagickException。