--- ray/src/rt/x11.c	1990/03/09 09:17:30	1.13
+++ ray/src/rt/x11.c	1990/07/18 12:25:07	1.16
@@ -67,9 +67,9 @@ static GC  ourgc = 0;			/* our graphics context for dr
 
 static Colormap ourmap = 0;		/* our color map */
 
-extern char  *malloc();
+extern char  *malloc(), *getcombuf();
 
-int  x11_close(), x11_clear(), x11_paintr(), x11_errout(),
+static int  x11_close(), x11_clear(), x11_paintr(), x11_errout(),
 		x11_getcur(), x11_comout(), x11_comin(), x11_flush();
 
 static struct driver  x11_driver = {
@@ -100,12 +100,15 @@ char  *name, *id;
 	} else if (nplanes <= 12) {
 		if (!XMatchVisualInfo(ourdisplay,ourscreen,
 				nplanes,PseudoColor,&ourvinfo)) {
-			stderr_v("PseudoColor not supported\n");
+			stderr_v("PseudoColor server required\n");
 			return(NULL);
 		}
 	} else if (!XMatchVisualInfo(ourdisplay,ourscreen,
-			nplanes,TrueColor,&ourvinfo)) {
-		stderr_v("TrueColor not supported\n");
+			nplanes,TrueColor,&ourvinfo) &&
+						/* kludge for DirectColor */
+			!XMatchVisualInfo(ourdisplay,ourscreen,
+			nplanes,DirectColor,&ourvinfo)) {
+		stderr_v("TrueColor server required\n");
 		return(NULL);
 	}
 	ourvisual = ourvinfo.visual;
@@ -225,7 +228,7 @@ int  xmin, ymin, xmax, ymax;
 
 	if (ncolors > 0)
 		pixel = pixval[get_pixel(col, xnewcolr)];
-	else if (ourvisual->class == TrueColor)
+	else if (ourvisual->class != PseudoColor)
 		pixel = true_pixel(col);
 	else
 		return;
@@ -248,7 +251,7 @@ static
 x11_comin(inp, prompt)		/* read in a command line */
 char  *inp, *prompt;
 {
-	int  x11_getc(), x11_comout();
+	extern int  x11_getc();
 
 	if (prompt != NULL)
 		if (fromcombuf(inp, &x11_driver))
@@ -333,8 +336,11 @@ int  r, g, b;
 static int
 getpixels()				/* get the color map */
 {
+	XColor  thiscolor;
+	register int  i, j;
+
 	if (ncolors > 0)
-		return(ncolors);
+		goto donecolors;
 	if (ourvisual == DefaultVisual(ourdisplay,ourscreen)) {
 		ourmap = DefaultColormap(ourdisplay,ourscreen);
 		goto loop;
@@ -360,11 +366,8 @@ loop:
 		else
 			return(ncolors = 0);	/* failed */
 	}
-	if (ourmap != DefaultColormap(ourdisplay,ourscreen)) {
-		XColor  thiscolor;
-		register int  i, j;
-						/* reset black and white */
-		for (i = 0; i < ncolors; i++) {
+	if (ourmap != DefaultColormap(ourdisplay,ourscreen))
+		for (i = 0; i < ncolors; i++) {	/* reset black and white */
 			if (pixval[i] != ourblack && pixval[i] != ourwhite)
 				continue;
 			thiscolor.pixel = pixval[i];
@@ -378,8 +381,16 @@ loop:
 			ncolors--;
 			i--;
 		}
-	}
 	XSetWindowColormap(ourdisplay, gwind, ourmap);
+donecolors:
+#ifdef  DEBUG
+	thiscolor.flags = DoRed|DoGreen|DoBlue;
+	thiscolor.red = thiscolor.green = thiscolor.blue = 0;
+	for (i = 0; i < ncolors; i++) {
+		thiscolor.pixel = pixval[i];
+		XStoreColor(ourdisplay, ourmap, &thiscolor);
+	}
+#endif
 	return(ncolors);
 }