#include "copyright.h"

/* $XConsortium: XCrBFData.c,v 1.6 88/09/06 16:05:38 jim Exp $ */
/* Copyright    Massachusetts Institute of Technology    1987	 */

#include "Xlib.h"

/*
 * XCreateBitmapFromData: Routine to make a pixmap of depth 1 from user
 * supplied data. D is any drawable on the same screen that the pixmap will
 * be used in. Data is a pointer to the bit data, and width & height give the
 * size in bits of the pixmap.
 * 
 * The following format is assumed for data:
 * 
 * format=XYPixmap bit_order=LSBFirst byte_order=LSBFirst padding=8
 * bitmap_unit=8 xoffset=0 no extra bytes per line
 */
Pixmap
XCreateBitmapFromData (display, d, data, width, height)
  Display *display;
  Drawable d;
  char *data;
  unsigned int width, height;
{
  XImage ximage;
  GC gc;
  Pixmap pix;

  pix = XCreatePixmap (display, d, width, height, 1);
  if (!pix)
    return (0);
  gc = XCreateGC (display, pix, (unsigned long) 0, (XGCValues *) 0);
  ximage.height = height;
  ximage.width = width;
  ximage.depth = 1;
  ximage.xoffset = 0;
  ximage.format = ZPixmap;
  ximage.data = data;
  ximage.byte_order = LSBFirst;
  ximage.bitmap_unit = 8;
  ximage.bitmap_bit_order = LSBFirst;
  ximage.bitmap_pad = 8;
  ximage.bytes_per_line = (width + 7) / 8;

  XPutImage (display, pix, gc, &ximage, 0, 0, 0, 0, width, height);
  XFreeGC (display, gc);
  return (pix);
}