1 /* Copyright (C) 1999 Aladdin Enterprises. All rights reserved.
2
3 This software is provided AS-IS with no warranty, either express or
4 implied.
5
6 This software is distributed under license and may not be copied,
7 modified or distributed except as expressly authorized under the terms
8 of the license contained in the file LICENSE in this distribution.
9
10 For more information about licensing, please refer to
11 http://www.ghostscript.com/licensing/. For information on
12 commercial licensing, go to http://www.artifex.com/licensing/ or
13 contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14 San Rafael, CA 94903, U.S.A., +1(415)492-9861.
15 */
16
17 /* $Id: gdevsunr.c,v 1.7 2004/08/10 13:02:36 stefan Exp $ */
18 /* Sun raster file driver */
19 #include "gdevprn.h"
20
21 /*
22 * Currently, the only variety of this format supported in this file is
23 * Harlequin's 1-bit "SUN_RAS" with no colormap and odd "};\n" at tail.
24 */
25
26 #define RAS_MAGIC 0x59a66a95
27 #define RT_STANDARD 1 /* Raw pixrect image in 68000 byte order */
28 #define RMT_NONE 0 /* ras_maplength is expected to be 0 */
29 typedef struct sun_rasterfile_s {
30 int ras_magic; /* magic number */
31 int ras_width; /* width (pixels) of image */
32 int ras_height; /* height (pixels) of image */
33 int ras_depth; /* depth (1, 8, or 24 bits) of pixel */
34 int ras_length; /* length (bytes) of image */
35 int ras_type; /* type of file; see RT_* below */
36 int ras_maptype; /* type of colormap; see RMT_* below */
37 int ras_maplength; /* length (bytes) of following map */
38 } sun_rasterfile_t;
39
40 #ifndef X_DPI
41 # define X_DPI 72
42 #endif
43 #ifndef Y_DPI
44 # define Y_DPI 72
45 #endif
46
47 private dev_proc_print_page(sunhmono_print_page);
48
49 const gx_device_printer gs_sunhmono_device =
50 prn_device(prn_std_procs, "sunhmono",
51 DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS,
52 X_DPI, Y_DPI,
53 0, 0, 0, 0, /* margins */
54 1, sunhmono_print_page);
55
56 private int
sunhmono_print_page(gx_device_printer * pdev,FILE * prn_stream)57 sunhmono_print_page(gx_device_printer * pdev, FILE * prn_stream)
58 {
59 int gsLineBytes = gdev_mem_bytes_per_scan_line((gx_device *) pdev);
60 /* Output bytes have to be padded to 16 bits. */
61 int rasLineBytes = ROUND_UP(gsLineBytes, 2);
62 int lineCnt;
63 char *lineStorage; /* Allocated for passing storage to gdev_prn_get_bits() */
64 byte *data;
65 sun_rasterfile_t ras;
66 int code = 0;
67
68 /*
69 errprintf("pdev->width:%d (%d/%d) gsLineBytes:%d rasLineBytes:%d\n",
70 pdev->width, pdev->width/8, pdev->width%8,gsLineBytes,rasLineBytes);
71 */
72 lineStorage = gs_malloc(pdev->memory, gsLineBytes, 1, "rasterfile_print_page(in)");
73 if (lineStorage == 0) {
74 code = gs_note_error(gs_error_VMerror);
75 goto out;
76 }
77 /* Setup values in header */
78 ras.ras_magic = RAS_MAGIC;
79 ras.ras_width = pdev->width;
80 ras.ras_height = pdev->height;
81 ras.ras_depth = 1;
82 ras.ras_length = (rasLineBytes * pdev->height);
83 ras.ras_type = RT_STANDARD;
84 ras.ras_maptype = RMT_NONE;
85 ras.ras_maplength = 0;
86 /* Write header */
87 fwrite(&ras, 1, sizeof(ras), prn_stream);
88 /* For each raster line */
89 for (lineCnt = 0; lineCnt < pdev->height; ++lineCnt) {
90 gdev_prn_get_bits(pdev, lineCnt, lineStorage, &data);
91 fwrite(data, 1, gsLineBytes, prn_stream);
92 if (gsLineBytes % 2)
93 fputc(0, prn_stream); /* pad to even # of bytes with a 0 */
94 }
95 /* The weird file terminator */
96 fwrite("};\n", 1, 3, prn_stream);
97 out:
98 /* Clean up... */
99 gs_free(pdev->memory, lineStorage, gsLineBytes, 1, "rasterfile_print_page(in)");
100 return code;
101 }
102