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Permission to use, copy, modify, distribute, and sell this software and its

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documentation for any purpose is hereby granted without fee, provided that

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the above copyright notice appear in all copies and that both that

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documentation.

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The above copyright notice and this permission notice shall be included in

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all copies or substantial portions of the Software.

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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Except as contained in this notice, the name of The Open Group shall not be

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used in advertising or otherwise to promote the sale, use or other dealings

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in this Software without prior written authorization from The Open Group.

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* XWDFile.h MIT Project Athena, X Window system window raster

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* image dumper, dump file format header file.

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* Author: Tony Della Fera, DEC

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* 27-Jun-85

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* Modifier: William F. Wyatt, SAO

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* 18-Nov-86 - version 6 for saving/restoring color maps

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#ifndef XWDFILE_H

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#define XWDFILE_H

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#include <X11/Xmd.h>

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#define XWD_FILE_VERSION 7

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#define sz_XWDheader 100

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#define sz_XWDColor 12

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typedef CARD32 xwdval; /* for old broken programs */

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/* Values in the file are most significant byte first. */

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typedef struct _xwd_file_header {

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/* header_size = SIZEOF(XWDheader) + length of null-terminated

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* window name. */

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CARD32 header_size;

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CARD32 file_version; /* = XWD_FILE_VERSION above */

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CARD32 pixmap_format; /* ZPixmap or XYPixmap */

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CARD32 pixmap_depth; /* Pixmap depth */

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CARD32 pixmap_width; /* Pixmap width */

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CARD32 pixmap_height; /* Pixmap height */

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CARD32 xoffset; /* Bitmap x offset, normally 0 */

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CARD32 byte_order; /* of image data: MSBFirst, LSBFirst */

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/* bitmap_unit applies to bitmaps (depth 1 format XY) only.

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* It is the number of bits that each scanline is padded to. */

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CARD32 bitmap_unit;

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CARD32 bitmap_bit_order; /* bitmaps only: MSBFirst, LSBFirst */

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/* bitmap_pad applies to pixmaps (non-bitmaps) only.

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* It is the number of bits that each scanline is padded to. */

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CARD32 bitmap_pad;

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CARD32 bits_per_pixel; /* Bits per pixel */

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/* bytes_per_line is pixmap_width padded to bitmap_unit (bitmaps)

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* or bitmap_pad (pixmaps). It is the delta (in bytes) to get

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* to the same x position on an adjacent row. */

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CARD32 bytes_per_line;

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CARD32 visual_class; /* Class of colormap */

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CARD32 red_mask; /* Z red mask */

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CARD32 green_mask; /* Z green mask */

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CARD32 blue_mask; /* Z blue mask */

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CARD32 bits_per_rgb; /* Log2 of distinct color values */

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CARD32 colormap_entries; /* Number of entries in colormap; not used? */

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CARD32 ncolors; /* Number of XWDColor structures */

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CARD32 window_width; /* Window width */

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CARD32 window_height; /* Window height */

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CARD32 window_x; /* Window upper left X coordinate */

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CARD32 window_y; /* Window upper left Y coordinate */

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CARD32 window_bdrwidth; /* Window border width */

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} XWDFileHeader;

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/* Null-terminated window name follows the above structure. */

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/* Next comes XWDColor structures, at offset XWDFileHeader.header_size in

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* the file. XWDFileHeader.ncolors tells how many XWDColor structures

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* there are.

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typedef struct {

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CARD32 pixel;

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CARD16 red;

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CARD16 green;

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CARD16 blue;

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CARD8 flags;

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CARD8 pad;

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} XWDColor;

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/* Last comes the image data in the format described by XWDFileHeader. */

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#endif /* XWDFILE_H */

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