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- /* Copyright (C) 1994-1996, Russell Lang. All rights reserved.
- Portions Copyright (C) 1999 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
-
- /*$Id: gsdll.h,v 1.2 2000/09/19 19:00:27 lpd Exp $ */
-
- #ifndef gsdll_INCLUDED
- # define gsdll_INCLUDED
-
- #ifdef __MACINTOSH__
-
- #define HWND char *
- #define GSFAR
- #include <QDOffscreen.h>
- #pragma export on
-
- #endif
-
- #ifndef GSDLLEXPORT
- #define GSDLLEXPORT
- #endif
-
- #ifdef __WINDOWS__
- #define _Windows
- #endif
-
- /* type of exported functions */
- #ifdef _Windows
- #ifdef _WATCOM_
- #define GSDLLAPI GSDLLEXPORT
- #else
- #define GSDLLAPI CALLBACK GSDLLEXPORT
- #endif
- #else
- #ifdef __IBMC__
- #define GSDLLAPI _System
- #else
- #define GSDLLAPI
- #endif
- #endif
-
- #ifdef _Windows
- #define GSDLLCALLLINK
- #define GSFAR FAR
- #else
- #ifdef __IBMC__
- #define GSDLLCALLLINK _System
- #else
- #define GSDLLCALLLINK
- #endif
- #define GSFAR
- #endif
-
- /* global pointer to callback */
- typedef int (GSFAR * GSDLLCALLLINK GSDLL_CALLBACK) (int, char GSFAR *, unsigned long);
- extern GSDLL_CALLBACK pgsdll_callback;
-
- /* message values for callback */
- #define GSDLL_STDIN 1 /* get count characters to str from stdin */
- /* return number of characters read */
- #define GSDLL_STDOUT 2 /* put count characters from str to stdout */
- /* return number of characters written */
- #define GSDLL_DEVICE 3 /* device = str has been opened if count=1 */
- /* or closed if count=0 */
- #define GSDLL_SYNC 4 /* sync_output for device str */
- #define GSDLL_PAGE 5 /* output_page for device str */
- #define GSDLL_SIZE 6 /* resize for device str */
- /* LOWORD(count) is new xsize */
- /* HIWORD(count) is new ysize */
- #define GSDLL_POLL 7 /* Called from gp_check_interrupt */
- /* Can be used by caller to poll the message queue */
- /* Normally returns 0 */
- /* To abort gsdll_execute_cont(), return a */
- /* non zero error code until gsdll_execute_cont() */
- /* returns */
-
- /* return values from gsdll_init() */
- #define GSDLL_INIT_IN_USE 100 /* DLL is in use */
- #define GSDLL_INIT_QUIT 101 /* quit or EOF during init */
- /* This is not an error. */
- /* gsdll_exit() must not be called */
-
-
- /* DLL exported functions */
- /* for load time dynamic linking */
- int GSDLLAPI gsdll_revision(char GSFAR * GSFAR * product, char GSFAR * GSFAR * copyright, long GSFAR * gs_revision, long GSFAR * gs_revisiondate);
- int GSDLLAPI gsdll_init(GSDLL_CALLBACK callback, HWND hwnd, int argc, char GSFAR * GSFAR * argv);
- int GSDLLAPI gsdll_execute_begin(void);
- int GSDLLAPI gsdll_execute_cont(const char GSFAR * str, int len);
- int GSDLLAPI gsdll_execute_end(void);
- int GSDLLAPI gsdll_exit(void);
- int GSDLLAPI gsdll_lock_device(unsigned char *device, int flag);
-
- /* Function pointer typedefs */
- /* for run time dynamic linking */
- typedef int (GSDLLAPI * PFN_gsdll_revision) (char GSFAR * GSFAR *, char GSFAR * GSFAR *, long GSFAR *, long GSFAR *);
- typedef int (GSDLLAPI * PFN_gsdll_init) (GSDLL_CALLBACK, HWND, int argc, char GSFAR * GSFAR * argv);
- typedef int (GSDLLAPI * PFN_gsdll_execute_begin) (void);
- typedef int (GSDLLAPI * PFN_gsdll_execute_cont) (const char GSFAR * str, int len);
- typedef int (GSDLLAPI * PFN_gsdll_execute_end) (void);
- typedef int (GSDLLAPI * PFN_gsdll_exit) (void);
- typedef int (GSDLLAPI * PFN_gsdll_lock_device) (unsigned char GSFAR *, int);
-
- #ifdef __MACINTOSH__
- #pragma export off
- #endif
-
- #endif /* gsdll_INCLUDED */
-