(PECL gmagick >= Unknown)
Gmagick::getimageinterlacescheme — Gets the image interlace scheme
Gets the image interlace scheme.
锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷
Returns the interlace scheme as an integer on success
锟斤拷锟斤拷时锟阶筹拷 GmagickException锟斤拷