1 /* Copyright (C) 2001-2006 Artifex Software, Inc.
2 All Rights Reserved.
3
4 This software is provided AS-IS with no warranty, either express or
5 implied.
6
7 This software is distributed under license and may not be copied, modified
8 or distributed except as expressly authorized under the terms of that
9 license. Refer to licensing information at http://www.artifex.com/
10 or contact Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134,
11 San Rafael, CA 94903, U.S.A., +1(415)492-9861, for further information.
12 */
13
14 /* $Id: gdevsunr.c 8250 2007-09-25 13:31:24Z giles $ */
15 /* Sun raster file driver */
16 #include "gdevprn.h"
17
18 /*
19 * Currently, the only variety of this format supported in this file is
20 * Harlequin's 1-bit "SUN_RAS" with no colormap and odd "};\n" at tail.
21 */
22
23 #define RAS_MAGIC 0x59a66a95
24 #define RT_STANDARD 1 /* Raw pixrect image in 68000 byte order */
25 #define RMT_NONE 0 /* ras_maplength is expected to be 0 */
26 typedef struct sun_rasterfile_s {
27 int ras_magic; /* magic number */
28 int ras_width; /* width (pixels) of image */
29 int ras_height; /* height (pixels) of image */
30 int ras_depth; /* depth (1, 8, or 24 bits) of pixel */
31 int ras_length; /* length (bytes) of image */
32 int ras_type; /* type of file; see RT_* below */
33 int ras_maptype; /* type of colormap; see RMT_* below */
34 int ras_maplength; /* length (bytes) of following map */
35 } sun_rasterfile_t;
36
37 #ifndef X_DPI
38 # define X_DPI 72
39 #endif
40 #ifndef Y_DPI
41 # define Y_DPI 72
42 #endif
43
44 static dev_proc_print_page(sunhmono_print_page);
45
46 const gx_device_printer gs_sunhmono_device =
47 prn_device(prn_std_procs, "sunhmono",
48 DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS,
49 X_DPI, Y_DPI,
50 0, 0, 0, 0, /* margins */
51 1, sunhmono_print_page);
52
53 static int
sunhmono_print_page(gx_device_printer * pdev,FILE * prn_stream)54 sunhmono_print_page(gx_device_printer * pdev, FILE * prn_stream)
55 {
56 int gsLineBytes = gdev_mem_bytes_per_scan_line((gx_device *) pdev);
57 /* Output bytes have to be padded to 16 bits. */
58 int rasLineBytes = ROUND_UP(gsLineBytes, 2);
59 int lineCnt;
60 char *lineStorage; /* Allocated for passing storage to gdev_prn_get_bits() */
61 byte *data;
62 sun_rasterfile_t ras;
63 int code = 0;
64
65 /*
66 errprintf("pdev->width:%d (%d/%d) gsLineBytes:%d rasLineBytes:%d\n",
67 pdev->width, pdev->width/8, pdev->width%8,gsLineBytes,rasLineBytes);
68 */
69 lineStorage = gs_malloc(pdev->memory, gsLineBytes, 1, "rasterfile_print_page(in)");
70 if (lineStorage == 0) {
71 code = gs_note_error(gs_error_VMerror);
72 goto out;
73 }
74 /* Setup values in header */
75 ras.ras_magic = RAS_MAGIC;
76 ras.ras_width = pdev->width;
77 ras.ras_height = pdev->height;
78 ras.ras_depth = 1;
79 ras.ras_length = (rasLineBytes * pdev->height);
80 ras.ras_type = RT_STANDARD;
81 ras.ras_maptype = RMT_NONE;
82 ras.ras_maplength = 0;
83 /* Write header */
84 fwrite(&ras, 1, sizeof(ras), prn_stream);
85 /* For each raster line */
86 for (lineCnt = 0; lineCnt < pdev->height; ++lineCnt) {
87 gdev_prn_get_bits(pdev, lineCnt, lineStorage, &data);
88 fwrite(data, 1, gsLineBytes, prn_stream);
89 if (gsLineBytes % 2)
90 fputc(0, prn_stream); /* pad to even # of bytes with a 0 */
91 }
92 /* The weird file terminator */
93 fwrite("};\n", 1, 3, prn_stream);
94 out:
95 /* Clean up... */
96 gs_free(pdev->memory, lineStorage, gsLineBytes, 1, "rasterfile_print_page(in)");
97 return code;
98 }
99