(PECL imagick 2.0.0)
ImagickDraw::setViewbox — Sets the overall canvas size
$x1
, int $y1
, int $x2
, int $y2
)本函数还未编写文档，仅有参数列表。
Sets the overall canvas size to be recorded with the drawing vector data. Usually this will be specified using the same size as the canvas image. When the vector data is saved to SVG or MVG formats, the viewbox is use to specify the size of the canvas image that a viewer will render the vector data on.
x1
left x coordinate
y1
left y coordinate
x2
right x coordinate
y2
right y coordinate
没有返回值。