/*H+ postscript_canvas.h
*
*    SCCS ID: @(#)postscript_canvas.h 1.1 91/10/24 SMI
*
*    Copyright (c) 1990,1991 Sun Microsystems, Inc.  All rights reserved.
*    See LEGAL_NOTICE file for terms of the license.
*
*    PURPOSE:
*
*    Provides a C++, XView V2 and V3 compatible header file for accessing
*    XView PostScript related functions.
*
*    Replaces $OPENWINHOME/include/xvps/pscanvas.h.
*
*    AUTHOR: XView Engineering
*
*    REVISION HISTORY:
*
*    Who       When       Why                   
*    --------- ---------- -----------------------
*    MGS       03/01/91   Prototype C++ functions properly.  Make the
*			  file XView V2 and V3 compatible.
*    MGS       09/26/91   Upgrade the file with the latest XView V3
*			  changes.
*
*H-*/
#ifndef	_POSTSCRIPT_CANVAS_H
#define _POSTSCRIPT_CANVAS_H	

#ifndef	pscanvas_defined
#define	pscanvas_defined

#include <xview/openwin.h>
#include <xview/win_input.h>
#include <xview/xv_xrect.h>

#if defined(__cplusplus)
extern  "C" {    
#include "xvps/pscan_ps.h"
}
#else
#include "xvps/pscan_ps.h"
#endif   /*__cplusplus */


#define PSCANVAS_NOSYNC	-1
#define NeWStoken int
// int ps_token_from_xid(), ps_token_from_code(), ps_end_stopped();
// void pscanvas_show_error();

#define PSCANVAS	&xv_pscanvas_pkg

#define ATTR_PKG_PSCANVAS	(ATTR_PKG_UNUSED_LAST - 1)
#define PSCANVAS_ATTR(type, ordinal)	\
			ATTR (ATTR_PKG_PSCANVAS, type, ordinal)
#define PSCANVAS_TYPE	ATTR_PKG_PSCANVAS

/*
 * Types
 */
typedef Xv_opaque	PScanvas;
typedef Xv_opaque	PSview;

/*
 * Enumerations
 */
typedef enum {
	/*
	 * Public Attributes
	 */
	PSCANVAS_SYNC		= PSCANVAS_ATTR(ATTR_INT,		 3),
	PSCANVAS_INPUT_PROC	= PSCANVAS_ATTR(ATTR_FUNCTION_PTR,	 7),
	PSCANVAS_REPAINT_PROC	= PSCANVAS_ATTR(ATTR_FUNCTION_PTR,	10),
	PSCANVAS_RESIZE_PROC	= PSCANVAS_ATTR(ATTR_FUNCTION_PTR,	15),
	PSCANVAS_SCROLL_PROC	= PSCANVAS_ATTR(ATTR_FUNCTION_PTR,	20),
	PSCANVAS_CLIPRECTS	= PSCANVAS_ATTR(ATTR_OPAQUE,		30),
	PSCANVAS_NEWSTOKEN	= PSCANVAS_ATTR(ATTR_INT,		50),
} PScanvas_attr;

typedef enum {
	/*
	 * Public Attributes
	 */
	PSVIEW_PSCANVAS		= PSCANVAS_ATTR(ATTR_OPAQUE,		30),
} PSview_attr;

/*
 * Structures
 */
typedef struct {
    Xv_openwin		parent_data;
    Xv_opaque		private_data;
} Xv_pscanvas;

typedef struct {
    Xv_window_struct	parent_data;
    Xv_opaque		private_data;
} Xv_psview;

/*
 * Globals
 */

/*
 * Variables
 */
extern Xv_pkg		xv_pscanvas_pkg;
extern Xv_pkg		xv_psview_pkg;

/*
 * Functions
 */

// These prototypes are required by C++
EXTERN_FUNCTION (ps_token_from_xid, (XID, NeWStoken *));
EXTERN_FUNCTION (ps_token_from_code, (void *, NeWStoken *));
EXTERN_FUNCTION (ps_end_stopped, ());
EXTERN_FUNCTION (void pscanvas_show_error, ());
EXTERN_FUNCTION (Event *pscanvas_xlate_event_xy, (PScanvas can, Event *event));

#endif pscanvas_defined
#endif _POSTSCRIPT_CANVAS_H