1 /* Copyright (C) 2001-2006 Artifex Software, Inc.
2    All Rights Reserved.
3 
4    This software is provided AS-IS with no warranty, either express or
5    implied.
6 
7    This software is distributed under license and may not be copied, modified
8    or distributed except as expressly authorized under the terms of that
9    license.  Refer to licensing information at http://www.artifex.com/
10    or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
11    San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
12 */
13 
14 /* $Id: gsrop.h 8022 2007-06-05 22:23:38Z giles $ */
15 /* RasterOp / transparency procedure interface */
16 
17 #ifndef gsrop_INCLUDED
18 #  define gsrop_INCLUDED
19 
20 #include "gsropt.h"
21 
22 /* Procedural interface */
23 
24 int gs_setrasterop(gs_state *, gs_rop3_t);
25 gs_rop3_t gs_currentrasterop(const gs_state *);
26 int gs_setsourcetransparent(gs_state *, bool);
27 bool gs_currentsourcetransparent(const gs_state *);
28 int gs_settexturetransparent(gs_state *, bool);
29 bool gs_currenttexturetransparent(const gs_state *);
30 
31 /* Save/restore the combined logical operation. */
32 gs_logical_operation_t gs_current_logical_op(const gs_state *);
33 int gs_set_logical_op(gs_state *, gs_logical_operation_t);
34 
35 #endif /* gsrop_INCLUDED */
36