1 /* Copyright (C) 1998 Aladdin Enterprises. All rights reserved. 2 3 This file is part of AFPL Ghostscript. 4 5 AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or 6 distributor accepts any responsibility for the consequences of using it, or 7 for whether it serves any particular purpose or works at all, unless he or 8 she says so in writing. Refer to the Aladdin Free Public License (the 9 "License") for full details. 10 11 Every copy of AFPL Ghostscript must include a copy of the License, normally 12 in a plain ASCII text file named PUBLIC. The License grants you the right 13 to copy, modify and redistribute AFPL Ghostscript, but only under certain 14 conditions described in the License. Among other things, the License 15 requires that the copyright notice and this notice be preserved on all 16 copies. 17 */ 18 19 /*$Id: gdevl31s.c,v 1.2 2000/09/19 19:00:13 lpd Exp $ */ 20 /* 21 * H-P LaserJet 3100 driver 22 * 23 * This is a driver for use with the H-P LaserJet 3100 Software. 24 * It requires installed H-P LaserJet 3100 Software to print. 25 * It can be used with smbclient to print from an UNIX box 26 * to a LaserJet 3100 printer attached to a MS-Windows box. 27 * 28 * Written by Ulrich Schmid, uschmid@mail.hh.provi.de. 29 */ 30 31 #include "gdevprn.h" 32 #include "gdevmeds.h" 33 34 #define XCORRECTION 0.11 35 #define YCORRECTION 0.12 36 37 /* order matters! 0 1 2 3 4 5 6 7 8 */ 38 const char *media[10] = {"a4", "letter", "legal", "com10", "c5", "dl", "b5", "monarch", "executive", 0}; 39 const int height[2][10] = {{3447, 3240, 4140, 5587, 2644, 5083, 2975, 4387, 3090, 0}, 40 {6894, 6480, 8280, 11167, 5288, 10159, 5950, 8767, 6180, 0}}; 41 const int width[2] = {2528, 42 5056}; 43 #define LARGEST_MEDIUM 2 /* legal */ 44 45 /* These codes correspond to sequences of pixels with the same color. 46 * After the code for a sequence < 64 pixels the color changes. 47 * After the code for a sequence with 64 pixels the previous color continues. */ 48 private struct { 49 uint bits; 50 uint length; /* number of valid bits */ 51 } code[2][65] = 52 /* White */ 53 {{{0x0ac, 8}, {0x038, 6}, {0x00e, 4}, {0x001, 4}, {0x00d, 4}, {0x003, 4}, {0x007, 4}, {0x00f, 4}, 54 {0x019, 5}, {0x005, 5}, {0x01c, 5}, {0x002, 5}, {0x004, 6}, {0x030, 6}, {0x00b, 6}, {0x02b, 6}, 55 {0x015, 6}, {0x035, 6}, {0x072, 7}, {0x018, 7}, {0x008, 7}, {0x074, 7}, {0x060, 7}, {0x010, 7}, 56 {0x00a, 7}, {0x06a, 7}, {0x064, 7}, {0x012, 7}, {0x00c, 7}, {0x040, 8}, {0x0c0, 8}, {0x058, 8}, 57 {0x0d8, 8}, {0x048, 8}, {0x0c8, 8}, {0x028, 8}, {0x0a8, 8}, {0x068, 8}, {0x0e8, 8}, {0x014, 8}, 58 {0x094, 8}, {0x054, 8}, {0x0d4, 8}, {0x034, 8}, {0x0b4, 8}, {0x020, 8}, {0x0a0, 8}, {0x050, 8}, 59 {0x0d0, 8}, {0x04a, 8}, {0x0ca, 8}, {0x02a, 8}, {0x0aa, 8}, {0x024, 8}, {0x0a4, 8}, {0x01a, 8}, 60 {0x09a, 8}, {0x05a, 8}, {0x0da, 8}, {0x052, 8}, {0x0d2, 8}, {0x04c, 8}, {0x0cc, 8}, {0x02c, 8}, 61 {0x01b, 5}}, 62 /* Black */ 63 {{0x3b0, 10}, {0x002, 3}, {0x003, 2}, {0x001, 2}, {0x006, 3}, {0x00c, 4}, {0x004, 4}, {0x018, 5}, 64 {0x028, 6}, {0x008, 6}, {0x010, 7}, {0x050, 7}, {0x070, 7}, {0x020, 8}, {0x0e0, 8}, {0x030, 9}, 65 {0x3a0, 10}, {0x060, 10}, {0x040, 10}, {0x730, 11}, {0x0b0, 11}, {0x1b0, 11}, {0x760, 11}, {0x0a0, 11}, 66 {0x740, 11}, {0x0c0, 11}, {0x530, 12}, {0xd30, 12}, {0x330, 12}, {0xb30, 12}, {0x160, 12}, {0x960, 12}, 67 {0x560, 12}, {0xd60, 12}, {0x4b0, 12}, {0xcb0, 12}, {0x2b0, 12}, {0xab0, 12}, {0x6b0, 12}, {0xeb0, 12}, 68 {0x360, 12}, {0xb60, 12}, {0x5b0, 12}, {0xdb0, 12}, {0x2a0, 12}, {0xaa0, 12}, {0x6a0, 12}, {0xea0, 12}, 69 {0x260, 12}, {0xa60, 12}, {0x4a0, 12}, {0xca0, 12}, {0x240, 12}, {0xec0, 12}, {0x1c0, 12}, {0xe40, 12}, 70 {0x140, 12}, {0x1a0, 12}, {0x9a0, 12}, {0xd40, 12}, {0x340, 12}, {0x5a0, 12}, {0x660, 12}, {0xe60, 12}, 71 {0x3c0, 10}}}; 72 73 /* Define the default, maximum resolutions. */ 74 #ifndef X_DPI 75 # define X_DPI 600 76 #endif 77 #ifndef Y_DPI 78 # define Y_DPI 600 79 #endif 80 81 /* The device descriptors */ 82 private dev_proc_print_page_copies(lj3100sw_print_page_copies); 83 private dev_proc_close_device(lj3100sw_close); 84 85 private gx_device_procs prn_lj3100sw_procs = 86 prn_params_procs(gdev_prn_open, gdev_prn_output_page, lj3100sw_close, 87 gdev_prn_get_params, gdev_prn_put_params); 88 89 /* workaround to emulate the missing prn_device_margins_copies macro */ 90 #define gx_default_print_page_copies lj3100sw_print_page_copies 91 gx_device_printer far_data gs_lj3100sw_device = 92 prn_device_margins/*_copies*/(prn_lj3100sw_procs, "lj3100sw", 93 DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS, 94 X_DPI, Y_DPI, 95 XCORRECTION, YCORRECTION, 96 0.25, 0.2, 0.25, 0.2, 97 1, 0 /* lj3100sw_print_page_copies */); 98 #undef gx_default_print_page_copies 99 100 #define ppdev ((gx_device_printer *)pdev) 101 102 #define BUFFERSIZE 0x1000 103 104 private void 105 lj3100sw_output_section_header(FILE *prn_stream, int type, int arg1, int arg2) 106 { 107 fputc(type & 0xff, prn_stream); 108 fputc(type >> 8 & 0xff, prn_stream); 109 fputc(arg1 & 0xff, prn_stream); 110 fputc(arg1 >> 8 & 0xff, prn_stream); 111 fputc(arg2 & 0xff, prn_stream); 112 fputc(arg2 >> 8 & 0xff, prn_stream); 113 } 114 115 private void 116 lj3100sw_flush_buffer(FILE *prn_stream, char *buffer, char **pptr) 117 { 118 int size = *pptr - buffer; 119 if (size) { 120 lj3100sw_output_section_header(prn_stream, 0, size, 0); 121 fwrite(buffer, 1, size, prn_stream); 122 *pptr = buffer; 123 } 124 } 125 126 private void 127 lj3100sw_output_data_byte(FILE *prn_stream, char *buffer, char **pptr, int val) 128 { 129 if (*pptr >= buffer + BUFFERSIZE) 130 lj3100sw_flush_buffer(prn_stream, buffer, pptr); 131 *(*pptr)++ = val; 132 } 133 134 private void 135 lj3100sw_output_repeated_data_bytes(FILE *prn_stream, char *buffer, char **pptr, int val, int num) 136 { 137 int size; 138 while (num) { 139 if (*pptr >= buffer + BUFFERSIZE) 140 lj3100sw_flush_buffer(prn_stream, buffer, pptr); 141 size = min(num, buffer + BUFFERSIZE - *pptr); 142 memset(*pptr, val, size); 143 *pptr += size; 144 num -= size; 145 } 146 } 147 148 private void 149 lj3100sw_output_newline(FILE *prn_stream, char *buffer, char **pptr) 150 { 151 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0); 152 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0); 153 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x80); 154 } 155 156 private void 157 lj3100sw_output_empty_line(FILE *prn_stream, char *buffer, char **pptr, bool high_resolution) 158 { 159 if (high_resolution) { 160 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x80); 161 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x0f); 162 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x78); 163 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0xac); 164 } else { 165 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x80); 166 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x87); 167 lj3100sw_output_data_byte(prn_stream, buffer, pptr, 0x0d); 168 } 169 } 170 171 private int 172 lj3100sw_print_page_copies(gx_device_printer *pdev, FILE *prn_stream, int num_copies /* ignored */) 173 { 174 int i, j; 175 char buffer[BUFFERSIZE], *ptr = buffer; 176 int medium_index = select_medium(pdev, media, LARGEST_MEDIUM); 177 bool high_resolution = (pdev->x_pixels_per_inch > 300); 178 int printer_height = height[high_resolution ? 1 : 0][medium_index]; 179 int printer_width = width[high_resolution ? 1 : 0]; 180 int paper_height = pdev->height; 181 int paper_width = pdev->width; 182 int line_size = gdev_prn_raster(pdev); 183 byte *in = (byte *)gs_malloc(line_size, 1, "lj3100sw_print_page"); 184 byte *data; 185 if (in == 0) 186 return_error(gs_error_VMerror); 187 if (gdev_prn_file_is_new(pdev)) { 188 lj3100sw_output_section_header(prn_stream, 1, 0, 0); 189 lj3100sw_output_repeated_data_bytes(prn_stream, buffer, &ptr, 0x1b, 12); 190 ptr += sprintf(ptr, "\r\nBD"); 191 lj3100sw_output_repeated_data_bytes(prn_stream, buffer, &ptr, 0, 5520); 192 ptr += sprintf(ptr, "%s\r\n%s %d\r\n%s %d\r\n%s %d\r\n%s %d\r\n%s %d\r\n%s %d\r\n", 193 "NJ", 194 "PQ", -1, 195 "RE", high_resolution ? 6 : 2, 196 "SL", printer_width, 197 "LM", 0, 198 "PS", medium_index, 199 "PC", 0); 200 lj3100sw_flush_buffer(prn_stream, buffer, &ptr); 201 } 202 203 lj3100sw_output_section_header(prn_stream, 3, ppdev->NumCopies, 0); 204 ptr += sprintf(ptr, "%s %d\r\n%s\r\n", 205 "CM", 1, 206 "PD"); 207 *ptr++ = 0; 208 lj3100sw_output_newline(prn_stream, buffer, &ptr); 209 210 for (i = 0; i < printer_height; i++) { 211 if (i < paper_height) { 212 int color = 0; /* white */ 213 int count = 0; 214 int bit_index = 0; 215 uint tmp = 0; 216 gdev_prn_get_bits(pdev, i, in, &data); 217 for (j = 0; j <= printer_width; j++) { 218 int xoffset = (printer_width - paper_width) / 2; 219 int newcolor = 0; 220 if (j >= xoffset && j < xoffset + paper_width) 221 newcolor = (data[(j - xoffset) / 8] >> (7 - (j - xoffset) % 8)) & 1; 222 if (j == printer_width) 223 newcolor = !color; /* force output */ 224 if (newcolor == color) 225 count++; 226 else if (count == printer_width && color == 0) /* implies j == printer_width */ 227 lj3100sw_output_empty_line(prn_stream, buffer, &ptr, high_resolution); 228 else /* print a sequence of pixels with a uniform color */ 229 while (newcolor != color) { 230 int size = min(count, 64); 231 tmp |= code[color][size].bits << bit_index; 232 bit_index += code[color][size].length; 233 while (bit_index >= 8) { 234 lj3100sw_output_data_byte(prn_stream, buffer, &ptr, tmp & 0xff); 235 tmp >>= 8; 236 bit_index -= 8; 237 } 238 if (size == 64) 239 count -= 64; 240 else { 241 color = newcolor; 242 count = 1; 243 } 244 } 245 } 246 if (bit_index) 247 lj3100sw_output_data_byte(prn_stream, buffer, &ptr, tmp & 0xff); 248 } 249 else 250 lj3100sw_output_empty_line(prn_stream, buffer, &ptr, high_resolution); 251 lj3100sw_output_newline(prn_stream, buffer, &ptr); 252 } 253 254 for (i = 0; i < 3; i++ ) { 255 lj3100sw_output_data_byte(prn_stream, buffer, &ptr, 0x00); 256 lj3100sw_output_data_byte(prn_stream, buffer, &ptr, 0x08); 257 lj3100sw_output_data_byte(prn_stream, buffer, &ptr, 0x80); 258 } 259 lj3100sw_output_repeated_data_bytes(prn_stream, buffer, &ptr, 0, 520); 260 lj3100sw_flush_buffer(prn_stream, buffer, &ptr); 261 262 lj3100sw_output_section_header(prn_stream, 4, 0, 0); 263 for (i = 0; i < 4 * ppdev->NumCopies; i++) 264 lj3100sw_output_section_header(prn_stream, 54, 0, 0); 265 266 gs_free((char *)in, line_size, 1, "lj3100sw_print_page"); 267 return 0; 268 } 269 270 private int 271 lj3100sw_close(gx_device *pdev) 272 { 273 int i; 274 FILE *prn_stream = ((gx_device_printer *)pdev)->file; 275 276 lj3100sw_output_section_header(prn_stream, 0, 4, 0); 277 fputs("XX\r\n", prn_stream); 278 for (i = 0; i < 4 * ppdev->NumCopies; i++) 279 lj3100sw_output_section_header(prn_stream, 54, 0, 0); 280 lj3100sw_output_section_header(prn_stream, 2, 0, 0); 281 282 return gdev_prn_close(pdev); 283 } 284