1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/* #ident "@(#)x11:contrib/clients/xloadimage/xwd.h 1.6 94/07/29 Labtam" */
/* xwd.h:
*
* portable-ized xwd file information. they could have made this easier.
*
* jim frost 07.24.90
*
* Copyright 1989 Jim Frost. See included file "copyright.h" for complete
* copyright information.
*/
#define XWD_VERSION 7 /* XWD version we support */
#define sizeofGenericXWDHeader 100
typedef struct {
byte header_size[4]; /* Size of the entire file header (bytes). */
byte file_version[4]; /* XWD_FILE_VERSION */
byte pixmap_format[4]; /* Pixmap format */
byte pixmap_depth[4]; /* Pixmap depth */
byte pixmap_width[4]; /* Pixmap width */
byte pixmap_height[4]; /* Pixmap height */
byte xoffset[4]; /* Bitmap x offset */
byte byte_order[4]; /* MSBFirst, LSBFirst */
byte bitmap_unit[4]; /* Bitmap unit */
byte bitmap_bit_order[4]; /* MSBFirst, LSBFirst */
byte bitmap_pad[4]; /* Bitmap scanline pad */
byte bits_per_pixel[4]; /* Bits per pixel */
byte bytes_per_line[4]; /* Bytes per scanline */
byte visual_class[4]; /* Class of colormap */
byte red_mask[4]; /* Z red mask */
byte green_mask[4]; /* Z green mask */
byte blue_mask[4]; /* Z blue mask */
byte bits_per_rgb[4]; /* Log2 of distinct color values */
byte colormap_entries[4]; /* Number of entries in colormap */
byte ncolors[4]; /* Number of Color structures */
byte window_width[4]; /* Window width */
byte window_height[4]; /* Window height */
byte window_x[4]; /* Window upper left X coordinate */
byte window_y[4]; /* Window upper left Y coordinate */
byte window_bdrwidth[4]; /* Window border width */
} GenericXWDHeader;
typedef struct {
unsigned int header_size; /* Size of the entire file header (bytes). */
unsigned int file_version; /* XWD_FILE_VERSION */
unsigned int pixmap_format; /* Pixmap format */
unsigned int pixmap_depth; /* Pixmap depth */
unsigned int pixmap_width; /* Pixmap width */
unsigned int pixmap_height; /* Pixmap height */
unsigned int xoffset; /* Bitmap x offset */
unsigned int byte_order; /* MSBFirst, LSBFirst */
unsigned int bitmap_unit; /* Bitmap unit */
unsigned int bitmap_bit_order; /* MSBFirst, LSBFirst */
unsigned int bitmap_pad; /* Bitmap scanline pad */
unsigned int bits_per_pixel; /* Bits per pixel */
unsigned int bytes_per_line; /* Bytes per scanline */
unsigned int visual_class; /* Class of colormap */
/*unsigned int red_mask;*/ /* Z red mask */
/*unsigned int green_mask;*/ /* Z green mask */
/*unsigned int blue_mask;*/ /* Z blue mask */
/*unsigned int bits_per_rgb;*/ /* Log2 of distinct color values */
unsigned int colormap_entries; /* Number of entries in colormap */
unsigned int ncolors; /* Number of Color structures */
/*unsigned int window_width;*/ /* Window width */
/*unsigned int window_height;*/ /* Window height */
/*unsigned int window_x;*/ /* Window upper left X coordinate */
/*unsigned int window_y;*/ /* Window upper left Y coordinate */
/*unsigned int window_bdrwidth;*//* Window border width */
} XWDHeader;
#define sizeofXWDColor 12
typedef struct {
byte pixel[4]; /* pixel value for this color */
byte red[2]; /* red intensity */
byte green[2]; /* green intensity */
byte blue[2]; /* blue intensity */
byte flags; /* XColor flags (ignored) */
byte pad;
} XWDColor;
#define NOT_XWD 0 /* definitely not an XWD file */
#define XWD_MSB 1 /* looks like XWD file created on MSBFirst machine */
#define XWD_LSB 2 /* looks like XWD file created on LSBFirst machine */
|
