xref: /plan9/sys/src/cmd/gs/src/dwdll.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1 /* Copyright (C) 1996, 2001, Ghostgum Software Pty Ltd.  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 
18 /* $Id: dwdll.h,v 1.6 2002/02/26 16:09:15 igor Exp $*/
19 
20 /* gsdll structure for MS-Windows */
21 
22 #ifndef dwdll_INCLUDED
23 #  define dwdll_INCLUDED
24 
25 #ifndef __PROTOTYPES__
26 #define __PROTOTYPES__
27 #endif
28 
29 #include "iapi.h"
30 
31 typedef struct GSDLL_S {
32 	HINSTANCE hmodule;	/* DLL module handle */
33 	PFN_gsapi_revision revision;
34 	PFN_gsapi_new_instance new_instance;
35 	PFN_gsapi_delete_instance delete_instance;
36 	PFN_gsapi_set_stdio set_stdio;
37 	PFN_gsapi_set_poll set_poll;
38 	PFN_gsapi_set_display_callback set_display_callback;
39 	PFN_gsapi_init_with_args init_with_args;
40 	PFN_gsapi_run_string run_string;
41 	PFN_gsapi_exit exit;
42         PFN_gsapi_set_visual_tracer set_visual_tracer;
43 } GSDLL;
44 
45 /* Load the Ghostscript DLL.
46  * Return 0 on success.
47  * Return non-zero on error and store error message
48  * to last_error of length len
49  */
50 int load_dll(GSDLL *gsdll, char *last_error, int len);
51 
52 void unload_dll(GSDLL *gsdll);
53 
54 #endif /* dwdll_INCLUDED */
55