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Diffstat (limited to 'nx-X11/lib/lbxutil/image/dpackbits.c')
-rw-r--r--nx-X11/lib/lbxutil/image/dpackbits.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/nx-X11/lib/lbxutil/image/dpackbits.c b/nx-X11/lib/lbxutil/image/dpackbits.c
deleted file mode 100644
index f0f2058d0..000000000
--- a/nx-X11/lib/lbxutil/image/dpackbits.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* $Xorg: dpackbits.c,v 1.4 2000/08/17 19:46:40 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86: xc/lib/lbxutil/image/dpackbits.c,v 1.3 2000/05/18 23:46:16 dawes Exp $ */
-
-#include <X11/Xos.h>
-#include <X11/Xfuncproto.h>
-#include <X11/extensions/lbximage.h>
-
-/*
- * -------------------------------------------------------------------------
- * PackBits decoding for 8 bit color images
- * -------------------------------------------------------------------------
- */
-
-static void
-DecodePackBits (char **inbuf,
- int numPixels,
- char *outbuf)
-
-{
- register char *inptr = *inbuf;
- register int n, b;
-
- while (numPixels > 0)
- {
- n = (int) *inptr++;
-
- /* Watch out for compilers that don't sign extend chars... */
-
- if (n >= 128)
- n -= 256;
-
- if (n < 0)
- {
- /* replicate next byte -n+1 times */
-
- if (n == -128) /* nop */
- continue;
-
- n = -n + 1;
- numPixels -= n;
- for (b = *inptr++; n-- > 0;)
- *outbuf++ = b;
- }
- else
- {
- /* copy next n+1 bytes literally */
-
- memcpy (outbuf, inptr, ++n);
- outbuf += n; numPixels -= n;
- inptr += n;
- }
- }
-
- *inbuf = inptr;
-}
-
-
-int
-LbxImageDecodePackBits (char *inbuf,
- char *outbuf,
- int num_scan_lines,
- int scan_line_size)
-
-{
- char *outbuf_start = outbuf;
- int padded_scan_line_size = (scan_line_size % 4) ?
- scan_line_size + (4 - scan_line_size % 4) : scan_line_size;
-
- while (num_scan_lines > 0)
- {
- DecodePackBits (&inbuf, scan_line_size, outbuf);
- outbuf += padded_scan_line_size;
- num_scan_lines--;
- }
-
- return (outbuf - outbuf_start);
-}