| 2 |
- |
1 |
/* Copyright (C) 1995, 1996 Aladdin Enterprises. All rights reserved.
|
|
|
2 |
|
|
|
3 |
This software is provided AS-IS with no warranty, either express or
|
|
|
4 |
implied.
|
|
|
5 |
|
|
|
6 |
This software is distributed under license and may not be copied,
|
|
|
7 |
modified or distributed except as expressly authorized under the terms
|
|
|
8 |
of the license contained in the file LICENSE in this distribution.
|
|
|
9 |
|
|
|
10 |
For more information about licensing, please refer to
|
|
|
11 |
http://www.ghostscript.com/licensing/. For information on
|
|
|
12 |
commercial licensing, go to http://www.artifex.com/licensing/ or
|
|
|
13 |
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
|
|
|
14 |
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
|
|
|
15 |
*/
|
|
|
16 |
|
|
|
17 |
/* $Id: gxhttile.h,v 1.4 2002/02/21 22:24:53 giles Exp $ */
|
|
|
18 |
/* Halftone tile definition */
|
|
|
19 |
/* Requires gxbitmap.h */
|
|
|
20 |
|
|
|
21 |
#ifndef gxhttile_INCLUDED
|
|
|
22 |
# define gxhttile_INCLUDED
|
|
|
23 |
|
|
|
24 |
/*
|
|
|
25 |
* A halftone tile is just an ordinary bitmap tile, plus a couple of other
|
|
|
26 |
* items associated with managing its existence in a tile cache.
|
|
|
27 |
* (See gzht.h for details.) We define this in its own file so that
|
|
|
28 |
* clients of gx_device_color can access it.
|
|
|
29 |
*/
|
|
|
30 |
|
|
|
31 |
#ifndef gx_ht_tile_DEFINED
|
|
|
32 |
# define gx_ht_tile_DEFINED
|
|
|
33 |
typedef struct gx_ht_tile_s gx_ht_tile;
|
|
|
34 |
|
|
|
35 |
#endif
|
|
|
36 |
|
|
|
37 |
struct gx_ht_tile_s {
|
|
|
38 |
gx_strip_bitmap tiles; /* the currently rendered tile */
|
|
|
39 |
int level; /* the cached gray level, i.e. */
|
|
|
40 |
/* the number of spots whitened, */
|
|
|
41 |
/* or -1 if the cache is empty */
|
|
|
42 |
uint index; /* the index of the tile within */
|
|
|
43 |
/* the cache (for GC) */
|
|
|
44 |
};
|
|
|
45 |
|
|
|
46 |
#endif /* gxhttile_INCLUDED */
|