--- /dev/null
+/* $XConsortium: XWDFile.h /main/18 1995/12/07 10:24:58 kaleb $ */
+/*
+
+Copyright (c) 1985, 1986 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+*/
+
+/*
+ * XWDFile.h MIT Project Athena, X Window system window raster
+ * image dumper, dump file format header file.
+ *
+ * Author: Tony Della Fera, DEC
+ * 27-Jun-85
+ *
+ * Modifier: William F. Wyatt, SAO
+ * 18-Nov-86 - version 6 for saving/restoring color maps
+ */
+
+#ifndef XWDFILE_H
+#define XWDFILE_H
+
+#include <X11/Xmd.h>
+
+#define XWD_FILE_VERSION 7
+#define sz_XWDheader 100
+#define sz_XWDColor 12
+
+typedef CARD32 xwdval; /* for old broken programs */
+
+/* Values in the file are most significant byte first. */
+
+typedef struct _xwd_file_header {
+ /* header_size = SIZEOF(XWDheader) + length of null-terminated
+ * window name. */
+ CARD32 header_size B32;
+
+ CARD32 file_version B32; /* = XWD_FILE_VERSION above */
+ CARD32 pixmap_format B32; /* ZPixmap or XYPixmap */
+ CARD32 pixmap_depth B32; /* Pixmap depth */
+ CARD32 pixmap_width B32; /* Pixmap width */
+ CARD32 pixmap_height B32; /* Pixmap height */
+ CARD32 xoffset B32; /* Bitmap x offset, normally 0 */
+ CARD32 byte_order B32; /* of image data: MSBFirst, LSBFirst */
+
+ /* bitmap_unit applies to bitmaps (depth 1 format XY) only.
+ * It is the number of bits that each scanline is padded to. */
+ CARD32 bitmap_unit B32;
+
+ CARD32 bitmap_bit_order B32; /* bitmaps only: MSBFirst, LSBFirst */
+
+ /* bitmap_pad applies to pixmaps (non-bitmaps) only.
+ * It is the number of bits that each scanline is padded to. */
+ CARD32 bitmap_pad B32;
+
+ CARD32 bits_per_pixel B32; /* Bits per pixel */
+
+ /* bytes_per_line is pixmap_width padded to bitmap_unit (bitmaps)
+ * or bitmap_pad (pixmaps). It is the delta (in bytes) to get
+ * to the same x position on an adjacent row. */
+ CARD32 bytes_per_line B32;
+ CARD32 visual_class B32; /* Class of colormap */
+ CARD32 red_mask B32; /* Z red mask */
+ CARD32 green_mask B32; /* Z green mask */
+ CARD32 blue_mask B32; /* Z blue mask */
+ CARD32 bits_per_rgb B32; /* Log2 of distinct color values */
+ CARD32 colormap_entries B32; /* Number of entries in colormap; not used? */
+ CARD32 ncolors B32; /* Number of XWDColor structures */
+ CARD32 window_width B32; /* Window width */
+ CARD32 window_height B32; /* Window height */
+ CARD32 window_x B32; /* Window upper left X coordinate */
+ CARD32 window_y B32; /* Window upper left Y coordinate */
+ CARD32 window_bdrwidth B32; /* Window border width */
+} XWDFileHeader;
+
+/* Null-terminated window name follows the above structure. */
+
+/* Next comes XWDColor structures, at offset XWDFileHeader.header_size in
+ * the file. XWDFileHeader.ncolors tells how many XWDColor structures
+ * there are.
+ */
+
+typedef struct {
+ CARD32 pixel B32;
+ CARD16 red B16;
+ CARD16 green B16;
+ CARD16 blue B16;
+ CARD8 flags;
+ CARD8 pad;
+} XWDColor;
+
+/* Last comes the image data in the format described by XWDFileHeader. */
+
+#endif /* XWDFILE_H */
+