(PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
Sets the origin of coordinate system to the specified point.
pdf_document
The document handle, returned by cpdf_open().
x_coor
The x-coordinate of the point
y_coor
The y-coordinate of the point
如果成功则返回 TRUE,失败则返回 FALSE。