#include "copyright.h"

/* $XConsortium: XQuColors.c,v 11.17 88/09/06 16:09:54 jim Exp $ */
/* Copyright    Massachusetts Institute of Technology    1986	 */

#define NEED_REPLIES
#include "Xlibint.h"

XQueryColors (dpy, cmap, defs, ncolors)
  register Display *dpy;
  Colormap cmap;
  XColor defs[];		/* RETURN */
  int ncolors;
{
  register int i;
  xrgb *color;
  xQueryColorsReply rep;
  long nbytes;
  register xQueryColorsReq *req;

  LockDisplay (dpy);
  GetReq (QueryColors, req);

  req->cmap = cmap;

  req->length += ncolors;	/* each pixel is a CARD32 */

  for (i = 0; i < ncolors; i++)
    Data32 (dpy, (long *) &defs[i].pixel, 4L);
  /* XXX this isn't very efficient */

  if (_XReply (dpy, (xReply *) & rep, 0, xFalse) != 0) {

    color = (xrgb *) Xmalloc (
		      (unsigned) (nbytes = (long) ncolors * SIZEOF (xrgb)));
    _XRead (dpy, (char *) color, nbytes);

    for (i = 0; i < ncolors; i++) {
      register XColor *def = &defs[i];
      register xrgb *rgb = &color[i];
      def->red = rgb->red;
      def->green = rgb->green;
      def->blue = rgb->blue;
      def->flags = DoRed | DoGreen | DoBlue;
    }

    Xfree ((char *) color);
  }
  UnlockDisplay (dpy);

  SyncHandle ();
}