File: gdev3852.c

package info (click to toggle)
ghostscript 8.71~dfsg2-9+squeeze1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 79,896 kB
  • ctags: 80,654
  • sloc: ansic: 501,432; sh: 25,689; python: 4,853; cpp: 3,633; perl: 3,597; tcl: 1,480; makefile: 1,187; lisp: 407; asm: 284; xml: 263; awk: 66; csh: 17; yacc: 15
file content (184 lines) | stat: -rw-r--r-- 5,672 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
/* Copyright (C) 2001-2006 Artifex Software, Inc.
   All Rights Reserved.
  
   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/
   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
*/
/* $Id: gdev3852.c 8250 2007-09-25 13:31:24Z giles $*/
/* IBM 3852 JetPrinter color ink jet driver for Ghostscript */

/*
This driver program created by Kevin M. Gift <kgift@draper.com> in Sept. 1992.
Modified 3/93 to correct bug in cnt_2prn size.
Modified 3/93 to dimension page back to 8.5, which seems to
   work better than the actual page width of 7.6, ie. it uses
	the full printing width of the printer.
	It was modeled after the V2.4.1 HP Paintjet driver (gdevpjet.c)
Modified by L. Peter Deutsch <ghost@aladdin.com> 1999-01-10 to remove _ss
    modifiers inappropriately copied from other code.
 */

#include "gdevprn.h"
#include "gdevpcl.h"

/* X_DPI and Y_DPI must be the same - use the maximum graphics resolution */
/*   for this printer  */
#define X_DPI 84
#define Y_DPI 84

/* We round up LINE_SIZE to a multiple of 8 bytes */
/* because that's the unit of transposition from pixels to planes. */
/* Should = 96 (KMG) */
#define LINE_SIZE ((X_DPI * 86 / 10 + 63) / 64 * 8)

/* The device descriptor */
static dev_proc_print_page(jetp3852_print_page);
static gx_device_procs jetp3852_procs =
  prn_color_procs(gdev_prn_open, gdev_prn_output_page, gdev_prn_close,
    gdev_pcl_3bit_map_rgb_color, gdev_pcl_3bit_map_color_rgb);
const gx_device_printer far_data gs_jetp3852_device =
  prn_device(jetp3852_procs, "jetp3852",
	86,				/* width_10ths, 8.6" (?) */
	110,				/* height_10ths, 11" */
	X_DPI, Y_DPI,
	0.0, 0, 0.0, 0,		/* left, bottom, right, top margins */
	3, jetp3852_print_page);


/* ------ Internal routines ------ */

/* Send the page to the printer.  */
static int
jetp3852_print_page(gx_device_printer *pdev, FILE *prn_stream)
{
#define DATA_SIZE (LINE_SIZE * 8)

   unsigned int cnt_2prn;
	unsigned int count,tempcnt;
	unsigned char vtp,cntc1,cntc2;
	int line_size_color_plane;

	byte data[DATA_SIZE];
 	byte plane_data[LINE_SIZE * 3];

	/* Set initial condition for printer */
	fputs("\033@",prn_stream);

	/* Send each scan line in turn */
	   {	int lnum;
		int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
		int num_blank_lines = 0;
		for ( lnum = 0; lnum < pdev->height; lnum++ )
		   {	byte *end_data = data + line_size;
			gdev_prn_copy_scan_lines(pdev, lnum,
						 (byte *)data, line_size);
			/* Remove trailing 0s. */
			while ( end_data > data && end_data[-1] == 0 )
				end_data--;
			if ( end_data == data )
			   {	/* Blank line */
				num_blank_lines++;
			   }
			else
			   {	int i;
				byte *odp;
				byte *row;

				/* Pad with 0s to fill out the last */
				/* block of 8 bytes. */
				memset(end_data, 0, 7);

				/* Transpose the data to get pixel planes. */
				for ( i = 0, odp = plane_data; i < DATA_SIZE;
				      i += 8, odp++
				    )
				 { /* The following is for 16-bit machines */
#define spread3(c)\
 { 0, c, c*0x100, c*0x101, c*0x10000L, c*0x10001L, c*0x10100L, c*0x10101L }
				   static ulong spr40[8] = spread3(0x40);
				   static ulong spr8[8] = spread3(8);
				   static ulong spr2[8] = spread3(2);
				   register byte *dp = data + i;
				   register ulong pword =
				     (spr40[dp[0]] << 1) +
				     (spr40[dp[1]]) +
				     (spr40[dp[2]] >> 1) +
				     (spr8[dp[3]] << 1) +
				     (spr8[dp[4]]) +
				     (spr8[dp[5]] >> 1) +
				     (spr2[dp[6]]) +
				     (spr2[dp[7]] >> 1);
				   odp[0] = (byte)(pword >> 16);
				   odp[LINE_SIZE] = (byte)(pword >> 8);
				   odp[LINE_SIZE*2] = (byte)(pword);
				 }
				/* Skip blank lines if any */
				if ( num_blank_lines > 0 )
				   {	
					if (lnum == 0) 
					  { /* Skip down the page from the top */
     					 /* set line spacing = 1/8 inch */
	   				fputs("\0330",prn_stream);
		   			/* Set vertical tab */
		  	   		vtp = (num_blank_lines  / 8);
						fprintf(prn_stream,"\033B%c\000",vtp);
						/* Do vertical tab */
				    	fputs("\013",prn_stream);
				    	num_blank_lines = 0;
						}
					 else
					   { /* Do "dot skips" */
						while(num_blank_lines > 255)
						  {
						  fputs("\033e\377",prn_stream);
						  num_blank_lines -= 255;
						  }
						vtp = num_blank_lines; 
						fprintf(prn_stream,"\033e%c",vtp);
						num_blank_lines = 0;
					 }
				   }

				/* Transfer raster graphics in the order R, G, B. */
				/* Apparently it is stored in B, G, R */
				/* Calculate the amount of data to send by what */
				/* Ghostscript tells us the scan line_size in (bytes) */

				count = line_size / 3;
				line_size_color_plane = count / 3;
			   cnt_2prn = line_size_color_plane * 3 + 5;
				tempcnt = cnt_2prn;
				cntc1 = (tempcnt & 0xFF00) >> 8;
				cntc2 = (tempcnt & 0x00FF);
				fprintf(prn_stream, "\033[O%c%c\200\037",cntc2,cntc1);
				fputc('\000',prn_stream);
   			fputs("\124\124",prn_stream);

				for ( row = plane_data + LINE_SIZE * 2, i = 0; 
				      i < 3; row -= LINE_SIZE, i++ )     
				{	int jj;
				   byte ctemp;
				   odp = row;
					/* Complement bytes */
					for (jj=0; jj< line_size_color_plane; jj++)
					  { ctemp = *odp;
					    *odp++ = ~ctemp;
						 }
					fwrite(row, sizeof(byte),
					    line_size_color_plane, prn_stream);
					}
			   }
		   }
	   }

	/* eject page */
 	fputs("\014", prn_stream);  

	return 0;
}