rem: puts("aklpha");
add: puts("alpha");
context: main(int argc, char **argv){    RContextAttributes attr;    dpy = XOpenDisplay("");    if (!dpy) {	puts("cant open display");	exit(1);    }    attr.flags = RC_RenderMode | RC_ColorsPerChannel;    attr.render_mode = RDitheredRendering;    attr.colors_per_channel = 4;    ctx = RCreateContext(dpy, DefaultScreen(dpy), &attr);    if (argc<2) 	img = RGetImageFromXPMData(ctx, image_name);    else	img = RLoadImage(ctx, argv[1], 0);    if (!img) {	puts(RMessageForError(RErrorCode));	exit(1);    }    /*    if (argc > 2) {	RImage *tmp = img;		img = RSmoothScaleImage(tmp, tmp->width*atol(argv[2]), 				tmp->height*atol(argv[2]));	RDestroyImage(tmp);    }     */#if 0    if (argc > 2) {	img = RScaleImage(img, img->width*atof(argv[2]), 			  img->height*atof(argv[2]));    }        {	RImage *tmp = RCreateImage(200, 200, True);	RColor col = {0,0,255,255};		if (img->format == RRGBAFormat)	    puts("aklpha");	else	    puts("no alpha");		RClearImage(tmp, &col);		RCombineArea(tmp, img, 0, 0, 20, 20, 10, 10);	img = tmp;    }#endif        if (!RConvertImage(ctx, img, &pix)) {	puts(RMessageForError(RErrorCode));	exit(1);    }        printf("%ix%i\n", img->width, img->height);	   	       win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 10, 10, 			      img->width, img->height, 0, 0, 0);    XSetWindowBackgroundPixmap(dpy, win, pix);    XClearWindow(dpy, win);    XMapRaised(dpy, win);    XFlush(dpy);    getchar();    return 0;}