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EnigmA Amiga Run 1997 May
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EnigmA AMIGA RUN 18 (1997)(G.R. Edizioni)(IT)[!][issue 1997-05][EAR-CD II].iso
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ghost
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gs403src_gs.lha
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gs4.03
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gdevsnfb.c
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1996-09-18
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/* Copyright (C) 1989, 1990, 1991, 1996 Aladdin Enterprises. All rights reserved.
This file is part of Aladdin Ghostscript.
Aladdin 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 Ghostscript Free Public
License (the "License") for full details.
Every copy of Aladdin 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 Aladdin 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.
*/
/* gdevsnfb.c */
/* Sony News frame buffer driver for GhostScript */
#include "gdevprn.h"
/*#include <sys/types.h> problems with ushort! */
typedef char * caddr_t;
typedef long off_t;
#include <sys/uio.h>
#include <newsiop/framebuf.h>
/* The device descriptor */
private dev_proc_open_device(sonyfb_open);
private dev_proc_output_page(sonyfb_output_page);
private dev_proc_close_device(sonyfb_close);
private gx_device_procs sonyfb_procs =
prn_procs(sonyfb_open, sonyfb_output_page, sonyfb_close);
gx_device_printer far_data gs_sonyfb_device =
prn_device(sonyfb_procs, "sonyfb",
102.4, /* width_10ths */
103.2, /* height_10ths */
100, /* x_dpi */
100, /* y_dpi */
0,0,0,0, /* margins */
1, 0);
private int fb_file = -1;
sPrimRect prect;
private int
sonyfb_open(gx_device *dev)
{
sScrType stype;
if(fb_file < 0)
if((fb_file = open("/dev/fb", 2)) < 0)
perror("open failed");
else
if(ioctl(fb_file, FBIOCGETSCRTYPE, &stype) < 0)
perror("ioctl failed");
else
prect.rect = stype.visiblerect;
return gdev_prn_open(dev);
}
private int
sonyfb_close(gx_device *dev)
{
if(fb_file >= 0)
{
close(fb_file);
fb_file = -1;
}
return gdev_prn_close(dev);
}
#define FRAME_WIDTH 1024
/* Send the page to the printer. */
private int
sonyfb_output_page(gx_device *dev, int num_copies, int flush)
{
int l, i, byte_width, height;
unsigned char *bm, *fbs, *fb;
byte_width = (dev->width + 7) / 8;
height = dev->height;
bm = (typeof(bm))prn_dev->mem.base;
prect.refPoint.x = 0;
prect.refPoint.y = 0;
prect.ptnRect = prect.rect;
prect.ptnBM.type = BM_MEM;
prect.ptnBM.depth = 1;
prect.ptnBM.width = (byte_width + 1) / 2;
prect.ptnBM.rect.origin.x = 0;
prect.ptnBM.rect.origin.y = 0;
prect.ptnBM.rect.extent.x = byte_width * 8; /* width in 16bit words */
prect.ptnBM.rect.extent.y = height;
prect.ptnBM.base = (typeof(prect.ptnBM.base))bm;
prect.fore_color = 1;
prect.aux_color = 0;
prect.planemask = FB_PLANEALL;
prect.transp = 0;
prect.func = BF_S;
prect.clip = prect.rect;
prect.drawBM.type = BM_FB;
prect.drawBM.depth = 1;
prect.drawBM.width = (prect.rect.extent.x + 15) / 16;
prect.drawBM.rect = prect.rect;
prect.drawBM.base = 0;
if(ioctl(fb_file, FBIOCRECTANGLE, &prect) < 0)
perror("rect ioctl failed");
return 0;
}