xref: /plan9/sys/src/cmd/gs/src/gxropc.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1 /* Copyright (C) 1998 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: gxropc.h,v 1.5 2002/06/16 08:45:43 lpd Exp $ */
18 /* Internals for RasterOp compositing */
19 
20 #ifndef gxropc_INCLUDED
21 #  define gxropc_INCLUDED
22 
23 #include "gsropc.h"
24 #include "gxcomp.h"
25 
26 /* Define RasterOp-compositing objects. */
27 typedef struct gs_composite_rop_s {
28     gs_composite_common;
29     gs_composite_rop_params_t params;
30 } gs_composite_rop_t;
31 
32 #define private_st_composite_rop() /* in gsropc.c */\
33   gs_private_st_ptrs1(st_composite_rop, gs_composite_rop_t,\
34     "gs_composite_rop_t", composite_rop_enum_ptrs, composite_rop_reloc_ptrs,\
35     params.texture)
36 
37 /*
38  * Initialize a RasterOp compositing function from parameters.
39  * We make this visible so that clients can allocate gs_composite_rop_t
40  * objects on the stack, to reduce memory manager overhead.
41  */
42 void gx_init_composite_rop(gs_composite_rop_t * pcte,
43 			   const gs_composite_rop_params_t * params);
44 
45 #endif /* gxropc_INCLUDED */
46