1 /* Copyright (C) 1999 Aladdin Enterprises. All rights reserved. 2 3 This file is part of Aladdin Ghostscript. 4 5 Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author 6 or distributor accepts any responsibility for the consequences of using it, 7 or for whether it serves any particular purpose or works at all, unless he 8 or she says so in writing. Refer to the Aladdin Ghostscript Free Public 9 License (the "License") for full details. 10 11 Every copy of Aladdin Ghostscript must include a copy of the License, 12 normally in a plain ASCII text file named PUBLIC. The License grants you 13 the right to copy, modify and redistribute Aladdin Ghostscript, but only 14 under certain conditions described in the License. Among other things, the 15 License requires that the copyright notice and this notice be preserved on 16 all copies. 17 */ 18 19 /*$Id: gdevsunr.c,v 1.1 2000/03/09 08:40:41 lpd Exp $ */ 20 /* Sun raster file driver */ 21 #include "gdevprn.h" 22 23 /* 24 * Currently, the only variety of this format supported in this file is 25 * Harlequin's 1-bit "SUN_RAS" with no colormap and odd "};\n" at tail. 26 */ 27 28 #define RAS_MAGIC 0x59a66a95 29 #define RT_STANDARD 1 /* Raw pixrect image in 68000 byte order */ 30 #define RMT_NONE 0 /* ras_maplength is expected to be 0 */ 31 typedef struct sun_rasterfile_s { 32 int ras_magic; /* magic number */ 33 int ras_width; /* width (pixels) of image */ 34 int ras_height; /* height (pixels) of image */ 35 int ras_depth; /* depth (1, 8, or 24 bits) of pixel */ 36 int ras_length; /* length (bytes) of image */ 37 int ras_type; /* type of file; see RT_* below */ 38 int ras_maptype; /* type of colormap; see RMT_* below */ 39 int ras_maplength; /* length (bytes) of following map */ 40 } sun_rasterfile_t; 41 42 #ifndef X_DPI 43 # define X_DPI 72 44 #endif 45 #ifndef Y_DPI 46 # define Y_DPI 72 47 #endif 48 49 private dev_proc_print_page(sunhmono_print_page); 50 51 gx_device_printer gs_sunhmono_device = 52 prn_device(prn_std_procs, "sunhmono", 53 DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS, 54 X_DPI, Y_DPI, 55 0, 0, 0, 0, /* margins */ 56 1, sunhmono_print_page); 57 58 private int 59 sunhmono_print_page(gx_device_printer * pdev, FILE * prn_stream) 60 { 61 int gsLineBytes = gdev_mem_bytes_per_scan_line((gx_device *) pdev); 62 /* Output bytes have to be padded to 16 bits. */ 63 int rasLineBytes = ROUND_UP(gsLineBytes, 2); 64 int lineCnt; 65 char *lineStorage; /* Allocated for passing storage to gdev_prn_get_bits() */ 66 byte *data; 67 sun_rasterfile_t ras; 68 int code = 0; 69 70 /* 71 fprintf(stderr,"pdev->width:%d (%d/%d) gsLineBytes:%d rasLineBytes:%d\n", 72 pdev->width, pdev->width/8, pdev->width%8,gsLineBytes,rasLineBytes); 73 */ 74 lineStorage = gs_malloc(gsLineBytes, 1, "rasterfile_print_page(in)"); 75 if (lineStorage == 0) { 76 code = gs_note_error(gs_error_VMerror); 77 goto out; 78 } 79 /* Setup values in header */ 80 ras.ras_magic = RAS_MAGIC; 81 ras.ras_width = pdev->width; 82 ras.ras_height = pdev->height; 83 ras.ras_depth = 1; 84 ras.ras_length = (rasLineBytes * pdev->height); 85 ras.ras_type = RT_STANDARD; 86 ras.ras_maptype = RMT_NONE; 87 ras.ras_maplength = 0; 88 /* Write header */ 89 fwrite(&ras, 1, sizeof(ras), prn_stream); 90 /* For each raster line */ 91 for (lineCnt = 0; lineCnt < pdev->height; ++lineCnt) { 92 gdev_prn_get_bits(pdev, lineCnt, lineStorage, &data); 93 fwrite(data, 1, gsLineBytes, prn_stream); 94 if (gsLineBytes % 2) 95 fputc(0, prn_stream); /* pad to even # of bytes with a 0 */ 96 } 97 /* The weird file terminator */ 98 fwrite("};\n", 1, 3, prn_stream); 99 out: 100 /* Clean up... */ 101 gs_free(lineStorage, gsLineBytes, 1, "rasterfile_print_page(in)"); 102 return code; 103 } 104