Places a formerly loaded image on the page. The image can be scaled. If the image shall be rotated as well, you will have to rotate the coordinate system before with ps_rotate().
Resource identifier of the postscript file as returned by ps_new().
x-coordinate of the lower left corner of the image.
y-coordinate of the lower left corner of the image.
The scaling factor for the image. A scale of 1.0 will result in a resolution of 72 dpi, because each pixel is equivalent to 1 point.