(PECL gmagick >= Unknown)
Gmagick::queryfontmetrics — Returns an array representing the font metrics
MagickQueryFontMetrics() returns an array representing the font metrics.
锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷
The Gmagick object on success
锟斤拷锟斤拷时锟阶筹拷 GmagickException锟斤拷