sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
storeDeviceParameter("ppmsubpixels", buf);
} else if(!strcmp(name, "poly2bitmap")) {
sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
storeDeviceParameter("ppmsubpixels", buf);
} else if(!strcmp(name, "poly2bitmap")) {