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The Datafile PD-CD 1 Issue 2
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PDCD-1 - Issue 02.iso
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_utilities
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utilities
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003
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_gs
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!GS
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h
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gdevarc
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1991-11-23
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/* Copyright (C) 1991 David Elworthy. All rights reserved.
Distributed by Free Software Foundation, Inc.
This file is part of Ghostscript.
Ghostscript is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
to anyone for the consequences of using it or for whether it serves any
particular purpose or works at all, unless he says so in writing. Refer
to the Ghostscript General Public License for full details.
Everyone is granted permission to copy, modify and redistribute
Ghostscript, but only under the conditions described in the Ghostscript
General Public License. A copy of this license is supposed to have been
given to you along with Ghostscript so you can know your rights and
responsibilities. It should be in a file named COPYING. Among other
things, the copyright notice and this notice must be preserved on all
copies. */
/* gdevarc.h */
/* Ghostscript driver for Acorn Archimedes (RISC OS) */
/*--- Miscellaneous parameters and globals ---*/
#define MAX_OPTIONS 80
#define Max_Zoom (524288)
/* Sprite name - normally we use pointer reference */
#define sprite_name "gsoutput"
#define file_type 0xff9 /* Sprite */
#if (0)
extern char *arc_client;
#endif
/*--- Device structure ---*/
/* The non-standard field in here are ones that are specifically associated
with the sprite output device. Things which are general to the user interface
are help elswehere.
*/
typedef struct gx_device_arc_s gx_device_arc;
struct gx_device_arc_s {
gx_device_common; /* Standard part of device structure */
int mode; /* Screen mode */
int xeig, yeig; /* OS/pixel factors */
wimp_w page_window; /* Page window handle */
sprite_area *sarea; /* Address of sprite area */
int sarea_size; /* Space allocated for it */
sprite_id sprite; /* Sprite identifier block */
sprite_factors f; /* Current sprite scaling */
BOOL is_256; /* Is this a 256 colour mode? */
BOOL page_closed; /* Is page open or closed? */
BOOL save_only; /* Are we in save only mode? */
int paltab[256]; /* Palette table */
};
#define arc_dev(dev) ((gx_device_arc *)dev)
#define adev_needed(d) gx_device_arc *adev = arc_dev(d)
#define arc_is_col256(adev) (adev->is_256)
/* Low level code */
void arc_set_options(gx_device_arc *adev, int mode, float width,
float height, float xres, float yres);
BOOL arc_create_op(gx_device_arc *dev);
void arc_set_title(gx_device_arc *adev, char *title);
void arc_page_event_handler(wimp_eventstr *e, void *handle);
BOOL arc_device_options(void *handle, char* hit);
void arc_set_window_extent(gx_device_arc *adev);
BOOL arc_saver(char *filename, void *handle);
void arc_process_page_menu(void *handle, char* hit);
menu arc_create_page_menu(void *handle);