cairo_set_target_ps 3 cairo_set_target_ps set surface for painting operations void cairo_set_target_ps (cairo_t *cr,FILE *file, double width_inches, double height_inches, double x_pixels_per_inch, double y_pixels_per_inch); cr : a cairo_t FILE : an open, writeable file width_inches, height_inches : width and height of an output page in inches x_pixels_per_inch, y_pixels_per_inch : Resolution of the postscript file. Right now cairo dumps an entire image on every page, so this parameters define the resolution of the resulting image. functions cairo_set_target_ps