| File: | x2jet.c |
| Location: | line 1557, column 1 |
| Description: | Potential leak of memory pointed to by 'line' |
| 1 | /* -*-C-*- | |||
| 2 | ******************************************************************************** | |||
| 3 | * | |||
| 4 | * File: x2jet.c | |||
| 5 | * RCS: x2jet.c,v 1.23 89/07/17 12:02:51 lori Exp | |||
| 6 | * Description: xpr support for HP LaserJet and PaintJet printers | |||
| 7 | * Author: Larry Rupp, HP Graphics Technology Division | |||
| 8 | * Created: Fri Jul 15 15:22:26 1988 | |||
| 9 | * Modified: Thu Sep 15 11:59:34 1988 (Larry Rupp) ler@hpfcler | |||
| 10 | * Tue Dec 6 10:04:43 PST 1988 (Marc Ayotte) marca@hp-pcd | |||
| 11 | * Language: C | |||
| 12 | * Package: N/A | |||
| 13 | * Status: Released to MIT | |||
| 14 | * | |||
| 15 | * (c) Copyright 1988, Hewlett-Packard Company. | |||
| 16 | * | |||
| 17 | ******************************************************************************** | |||
| 18 | */ | |||
| 19 | ||||
| 20 | ||||
| 21 | ||||
| 22 | ||||
| 23 | ||||
| 24 | /******************************************************** | |||
| 25 | ||||
| 26 | Copyright (c) 1988 by Hewlett-Packard Company | |||
| 27 | ||||
| 28 | Permission to use, copy, modify, and distribute this software | |||
| 29 | and its documentation for any purpose and without fee is hereby | |||
| 30 | granted, provided that the above copyright notice appear in all | |||
| 31 | copies and that both that copyright notice and this permission | |||
| 32 | notice appear in supporting documentation, and that | |||
| 33 | Hewlett-Packard not be used in advertising or publicity | |||
| 34 | pertaining to distribution of the software without specific, written | |||
| 35 | prior permission. | |||
| 36 | ||||
| 37 | ********************************************************/ | |||
| 38 | /* | |||
| 39 | ||||
| 40 | Copyright (c) 1988 X Consortium | |||
| 41 | ||||
| 42 | Permission is hereby granted, free of charge, to any person obtaining | |||
| 43 | a copy of this software and associated documentation files (the | |||
| 44 | "Software"), to deal in the Software without restriction, including | |||
| 45 | without limitation the rights to use, copy, modify, merge, publish, | |||
| 46 | distribute, sublicense, and/or sell copies of the Software, and to | |||
| 47 | permit persons to whom the Software is furnished to do so, subject to | |||
| 48 | the following conditions: | |||
| 49 | ||||
| 50 | The above copyright notice and this permission notice shall be included | |||
| 51 | in all copies or substantial portions of the Software. | |||
| 52 | ||||
| 53 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |||
| 54 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||
| 55 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||
| 56 | IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR | |||
| 57 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |||
| 58 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |||
| 59 | OTHER DEALINGS IN THE SOFTWARE. | |||
| 60 | ||||
| 61 | Except as contained in this notice, the name of the X Consortium shall | |||
| 62 | not be used in advertising or otherwise to promote the sale, use or | |||
| 63 | other dealings in this Software without prior written authorization | |||
| 64 | from the X Consortium. | |||
| 65 | ||||
| 66 | */ | |||
| 67 | ||||
| 68 | ||||
| 69 | #include <stdio.h> | |||
| 70 | #include <stdarg.h> | |||
| 71 | #include <X11/Xlib.h> | |||
| 72 | #include <X11/XWDFile.h> | |||
| 73 | #include <X11/Xfuncproto.h> | |||
| 74 | ||||
| 75 | #include "xpr.h" | |||
| 76 | ||||
| 77 | #ifdef NLS16 | |||
| 78 | #ifndef NLS | |||
| 79 | #define NLS | |||
| 80 | #endif | |||
| 81 | #endif | |||
| 82 | ||||
| 83 | #ifndef NLS | |||
| 84 | #define catgets(i, sn,mn,s)(s) (s) | |||
| 85 | #else /* NLS */ | |||
| 86 | #define NL_SETN 2 /* set number */ | |||
| 87 | #include <nl_types.h> | |||
| 88 | ||||
| 89 | extern nl_catd nlmsg_fd; | |||
| 90 | ||||
| 91 | #endif /* NLS */ | |||
| 92 | ||||
| 93 | #ifndef TRUE1 | |||
| 94 | # define FALSE0 0 | |||
| 95 | # define TRUE1 1 | |||
| 96 | #endif | |||
| 97 | ||||
| 98 | /* default printable page area (inches) */ | |||
| 99 | #define STDWIDTH8.0 8.0 | |||
| 100 | #define STDHEIGHT10.5 10.5 | |||
| 101 | ||||
| 102 | /* header & trailer character cell size (centipoints) */ | |||
| 103 | #define CHARWIDTH720 720 | |||
| 104 | #define CHARHEIGHT1200 1200 | |||
| 105 | ||||
| 106 | #define XWDHEADERSIZE(sizeof(XWDFileHeader)) (sizeof(XWDFileHeader)) | |||
| 107 | #define XCOLORSIZE(sizeof(XColor)) (sizeof(XColor)) | |||
| 108 | ||||
| 109 | ||||
| 110 | typedef struct { long width, height; } Area; | |||
| 111 | typedef struct { long x, y; } Location; | |||
| 112 | ||||
| 113 | ||||
| 114 | static Area limit; /* image clip limits (dots) */ | |||
| 115 | static Area page; /* printable page size (centipoints) */ | |||
| 116 | ||||
| 117 | static Location headerloc; /* centipoint location of header string */ | |||
| 118 | static Location trailerloc; /* centipoint location of trailer string */ | |||
| 119 | static Location imageloc; /* centipoint location of image */ | |||
| 120 | ||||
| 121 | static int headerlimit; /* number of chars which will printed for */ | |||
| 122 | static int trailerlimit; /* the image's header/trailer strings */ | |||
| 123 | ||||
| 124 | static XWDFileHeader xwd_header; | |||
| 125 | ||||
| 126 | static XColor *xwd_colors; | |||
| 127 | ||||
| 128 | static char *xwd_image; | |||
| 129 | ||||
| 130 | static unsigned long Z_pixel_mask; | |||
| 131 | ||||
| 132 | static int true_scale; | |||
| 133 | ||||
| 134 | typedef struct { | |||
| 135 | unsigned long Rmask, Gmask, Bmask; | |||
| 136 | int Rshift, Gshift, Bshift; | |||
| 137 | } RGBshiftmask; | |||
| 138 | ||||
| 139 | /* Local prototypes */ | |||
| 140 | static void set_image_limits ( int scale, int density, enum orientation orient, Area print_area); | |||
| 141 | static void set_header_trailer_limits (char *header, char *trailer, long printwidth); | |||
| 142 | static void set_print_locations ( int scale, int density, int top, int left, const char *header, const char *trailer, enum orientation orient, int position_on_page); | |||
| 143 | static int scale_raster ( | |||
| 144 | int density, | |||
| 145 | enum orientation orient, | |||
| 146 | Area print_area); | |||
| 147 | static void scale_and_orient_image ( | |||
| 148 | int *scale, int *density, | |||
| 149 | int width, int height, int left, int top, /* in 300ths of an inch */ | |||
| 150 | const char *header, const char *trailer, | |||
| 151 | enum orientation *orient, | |||
| 152 | int position_on_page, | |||
| 153 | enum device device); | |||
| 154 | static void setup_RGBshiftmask (RGBshiftmask *sm, unsigned long rmask, unsigned long gmask, unsigned long bmask); | |||
| 155 | static void swap_black_and_white (void); | |||
| 156 | static void reset_color_mapping (void); | |||
| 157 | static void prepare_color_mapping ( | |||
| 158 | int invert, int paintjet, | |||
| 159 | unsigned int cutoff, | |||
| 160 | FILE *out); | |||
| 161 | static | |||
| 162 | void select_grey (int level, int *r, int *g, int *b); | |||
| 163 | static int load_printer_color ( | |||
| 164 | long index, | |||
| 165 | int nearmatch, | |||
| 166 | enum device device); | |||
| 167 | static int lookup_color_index (long i); | |||
| 168 | static void select_printer_color ( | |||
| 169 | long index, | |||
| 170 | int *red, int *green, int *blue, | |||
| 171 | long *compositeRGB, | |||
| 172 | enum device device); | |||
| 173 | static int color_already_in_printer (long compositeRGB, long *pindex); | |||
| 174 | static int program_new_printer_color ( | |||
| 175 | int red, int green, int blue, | |||
| 176 | long compositeRGB, | |||
| 177 | long *pindex); | |||
| 178 | static long composite_diff (long x, long y); | |||
| 179 | static long find_nearest_programmed_color (long compositeRGB); | |||
| 180 | static void add_index_to_chain ( | |||
| 181 | long cindex, | |||
| 182 | long pindex); | |||
| 183 | static int load_printer_color_DT ( | |||
| 184 | long index, | |||
| 185 | int nearmatch, | |||
| 186 | enum device device); | |||
| 187 | static int load_line_colors ( | |||
| 188 | long *line, | |||
| 189 | int length, int nearmatch, | |||
| 190 | enum device device); | |||
| 191 | static void download_colors ( | |||
| 192 | long *line, | |||
| 193 | int length, | |||
| 194 | enum device device); | |||
| 195 | static void validate_visual(void); | |||
| 196 | static void read_xwd_data (FILE *in); | |||
| 197 | static void write_image_prefix ( | |||
| 198 | FILE *out, | |||
| 199 | int scale, int density, | |||
| 200 | const char *header, | |||
| 201 | enum device device, | |||
| 202 | int position_on_page, int initial_formfeed, | |||
| 203 | enum orientation orient, | |||
| 204 | float gamma, | |||
| 205 | int render, | |||
| 206 | int slide); | |||
| 207 | static void write_image_suffix ( | |||
| 208 | FILE *out, | |||
| 209 | const char *trailer, | |||
| 210 | int position_on_page, | |||
| 211 | int slide, int render, | |||
| 212 | enum device device); | |||
| 213 | static unsigned long Z_image_pixel (int x, int y); | |||
| 214 | static unsigned long XY_image_pixel (int x, int y); | |||
| 215 | static void direct_by_pixel( | |||
| 216 | FILE *out, | |||
| 217 | long *line, | |||
| 218 | int length, | |||
| 219 | enum device device); | |||
| 220 | static void index_by_pixel( | |||
| 221 | FILE *out, | |||
| 222 | long *line, | |||
| 223 | int length); | |||
| 224 | static void write_raster_line ( | |||
| 225 | FILE *out, | |||
| 226 | int scale, | |||
| 227 | enum device device, | |||
| 228 | long *line, | |||
| 229 | int length); | |||
| 230 | static void write_portrait_Z_image ( | |||
| 231 | FILE *out, | |||
| 232 | int scale, | |||
| 233 | enum device device); | |||
| 234 | static void write_landscape_Z_image ( | |||
| 235 | FILE *out, | |||
| 236 | int scale, | |||
| 237 | enum device device); | |||
| 238 | static void write_portrait_XY_image ( | |||
| 239 | FILE *out, | |||
| 240 | int scale, | |||
| 241 | enum device device); | |||
| 242 | static void write_landscape_XY_image ( | |||
| 243 | FILE *out, | |||
| 244 | int scale, | |||
| 245 | enum device device); | |||
| 246 | static void write_Z_image ( | |||
| 247 | FILE *out, | |||
| 248 | int scale, | |||
| 249 | enum orientation orient, | |||
| 250 | enum device device); | |||
| 251 | static void write_XY_image ( | |||
| 252 | FILE *out, | |||
| 253 | int scale, | |||
| 254 | enum orientation orient, | |||
| 255 | enum device device); | |||
| 256 | static void write_image ( | |||
| 257 | FILE *out, | |||
| 258 | int scale, | |||
| 259 | enum orientation orient, | |||
| 260 | enum device device); | |||
| 261 | static void fatal_err (const char *s, ...) | |||
| 262 | _X_NORETURN__attribute((noreturn)) _X_ATTRIBUTE_PRINTF(1,2)__attribute__((__format__(__printf__,1,2))); | |||
| 263 | ||||
| 264 | ||||
| 265 | /* Computes the centipoint width of one printer dot. */ | |||
| 266 | #define dot_centipoints(s,d)((7200.0 * (s)) / (d)) ((7200.0 * (s)) / (d)) | |||
| 267 | ||||
| 268 | static | |||
| 269 | void set_image_limits ( | |||
| 270 | int scale, int density, | |||
| 271 | enum orientation orient, | |||
| 272 | Area print_area) | |||
| 273 | { | |||
| 274 | Area print_dots; | |||
| 275 | double dotsize; | |||
| 276 | ||||
| 277 | /* Set dotsize to the centipoint width of one printer dot. */ | |||
| 278 | dotsize = dot_centipoints(scale, density)((7200.0 * (scale)) / (density)); | |||
| 279 | ||||
| 280 | if (orient == PORTRAIT) { | |||
| 281 | print_dots.width = print_area.width / dotsize; | |||
| 282 | print_dots.height = print_area.height / dotsize; | |||
| 283 | } else { | |||
| 284 | print_dots.height = print_area.width / dotsize; | |||
| 285 | print_dots.width = print_area.height / dotsize; | |||
| 286 | } | |||
| 287 | ||||
| 288 | limit.width = (print_dots.width < xwd_header.pixmap_width) | |||
| 289 | ? print_dots.width : xwd_header.pixmap_width; | |||
| 290 | limit.height = (print_dots.height < xwd_header.pixmap_height) | |||
| 291 | ? print_dots.height : xwd_header.pixmap_height; | |||
| 292 | ||||
| 293 | if ((limit.width != xwd_header.pixmap_width) | |||
| 294 | || (limit.height != xwd_header.pixmap_height)) | |||
| 295 | fprintf(stderr__stderrp,(catgets(nlmsg_fd,NL_SETN,1, "%s: Warning: %d x %d image clipped to %ld x %ld.\n")("%s: Warning: %d x %d image clipped to %ld x %ld.\n")), | |||
| 296 | progname, | |||
| 297 | xwd_header.pixmap_width, xwd_header.pixmap_height, | |||
| 298 | limit.width, limit.height); | |||
| 299 | } | |||
| 300 | ||||
| 301 | ||||
| 302 | static | |||
| 303 | void set_header_trailer_limits (char *header, char *trailer, long printwidth) | |||
| 304 | { | |||
| 305 | /* Determine the number of header and trailer characters | |||
| 306 | * that will fit into the available printing area. | |||
| 307 | */ | |||
| 308 | headerlimit = header ? (((strlen(header) * CHARWIDTH720) <= printwidth) | |||
| 309 | ? strlen(header) : (printwidth / CHARWIDTH720)) | |||
| 310 | : 0; | |||
| 311 | if (header && headerlimit != strlen(header)) { | |||
| 312 | fprintf(stderr__stderrp,(catgets(nlmsg_fd,NL_SETN,2,("%s: Warning: Header string clipped to %d characters.\n") | |||
| 313 | "%s: Warning: Header string clipped to %d characters.\n")("%s: Warning: Header string clipped to %d characters.\n")), | |||
| 314 | progname, headerlimit); | |||
| 315 | header[headerlimit] = '\0'; | |||
| 316 | } | |||
| 317 | ||||
| 318 | trailerlimit = trailer ? (((strlen(trailer) * CHARWIDTH720) <= printwidth) | |||
| 319 | ? strlen(trailer) : (printwidth / CHARWIDTH720)) | |||
| 320 | : 0; | |||
| 321 | if (trailer && trailerlimit != strlen(trailer)) { | |||
| 322 | fprintf(stderr__stderrp,(catgets(nlmsg_fd,NL_SETN,3,("%s: Warning: Trailer string clipped to %d characters.\n") | |||
| 323 | "%s: Warning: Trailer string clipped to %d characters.\n")("%s: Warning: Trailer string clipped to %d characters.\n")), | |||
| 324 | progname, trailerlimit); | |||
| 325 | trailer[headerlimit] = '\0'; | |||
| 326 | } | |||
| 327 | } | |||
| 328 | ||||
| 329 | ||||
| 330 | static | |||
| 331 | void set_print_locations ( | |||
| 332 | int scale, int density, | |||
| 333 | int top, int left, | |||
| 334 | const char *header, const char *trailer, | |||
| 335 | enum orientation orient, | |||
| 336 | int position_on_page) | |||
| 337 | { | |||
| 338 | Area image; | |||
| 339 | double dotsize; | |||
| 340 | ||||
| 341 | /* Set dotsize to the centipoint width of one printer dot. */ | |||
| 342 | dotsize = dot_centipoints(scale, density)((7200.0 * (scale)) / (density)); | |||
| 343 | ||||
| 344 | /* Compute the centipoint size of the clipped image area. */ | |||
| 345 | if (orient == PORTRAIT) { | |||
| 346 | image.width = limit.width * dotsize; | |||
| 347 | image.height = limit.height * dotsize; | |||
| 348 | } else { | |||
| 349 | image.height = limit.width * dotsize; | |||
| 350 | image.width = limit.height * dotsize; | |||
| 351 | } | |||
| 352 | ||||
| 353 | if (position_on_page) { | |||
| 354 | /* set vertical positions */ | |||
| 355 | imageloc.y = (top >= 0) | |||
| 356 | ? top * 24 + ((header) ? CHARHEIGHT1200 : 0) | |||
| 357 | : ((page.height - ((header) ? CHARHEIGHT1200 : 0) | |||
| 358 | - image.height - ((trailer) ? CHARHEIGHT1200 : 0)) / 2) | |||
| 359 | + ((header) ? CHARHEIGHT1200 : 0); | |||
| 360 | headerloc.y = imageloc.y - CHARHEIGHT1200 / 4; | |||
| 361 | trailerloc.y = imageloc.y + image.height + (3 * CHARHEIGHT1200) / 4; | |||
| 362 | ||||
| 363 | /* set horizontal positions */ | |||
| 364 | if (left >= 0) | |||
| 365 | headerloc.x = imageloc.x = trailerloc.x = left * 24; | |||
| 366 | else { | |||
| 367 | headerloc.x = (page.width - headerlimit * CHARWIDTH720) / 2; | |||
| 368 | imageloc.x = (page.width - image.width) / 2; | |||
| 369 | trailerloc.x = (page.width - trailerlimit * CHARWIDTH720) / 2; | |||
| 370 | } | |||
| 371 | } | |||
| 372 | } | |||
| 373 | ||||
| 374 | ||||
| 375 | static | |||
| 376 | int scale_raster ( | |||
| 377 | int density, | |||
| 378 | enum orientation orient, | |||
| 379 | Area print_area) | |||
| 380 | { | |||
| 381 | Area image; | |||
| 382 | int h_scale, v_scale; | |||
| 383 | ||||
| 384 | /* Set the image dimensions to the number of centipoints that would be | |||
| 385 | * required for printing at the selected density. | |||
| 386 | */ | |||
| 387 | if (orient == PORTRAIT) { | |||
| 388 | image.width = xwd_header.pixmap_width * 7200 / density; | |||
| 389 | image.height = xwd_header.pixmap_height * 7200 / density; | |||
| 390 | } else { | |||
| 391 | image.height = xwd_header.pixmap_width * 7200 / density; | |||
| 392 | image.width = xwd_header.pixmap_height * 7200 / density; | |||
| 393 | } | |||
| 394 | ||||
| 395 | /* Calculate the maximum image multiplier along | |||
| 396 | * the horizontal and vertical dimensions. | |||
| 397 | */ | |||
| 398 | h_scale = print_area.width / image.width; | |||
| 399 | v_scale = print_area.height / image.height; | |||
| 400 | ||||
| 401 | /* If the image can be expanded, return the lesser of the horizontal and | |||
| 402 | * vertical multipliers. Otherwise, the image will not completely fit | |||
| 403 | * the available print area, so just return 1 as the expansion factor. | |||
| 404 | */ | |||
| 405 | return (((h_scale > 0) && (v_scale > 0)) | |||
| 406 | ? ((h_scale<v_scale) ? h_scale : v_scale) | |||
| 407 | : 1); | |||
| 408 | } | |||
| 409 | ||||
| 410 | ||||
| 411 | static | |||
| 412 | void scale_and_orient_image ( | |||
| 413 | int *scale, int *density, | |||
| 414 | int width, int height, int left, int top, /* in 300ths of an inch */ | |||
| 415 | const char *header, const char *trailer, | |||
| 416 | enum orientation *orient, | |||
| 417 | int position_on_page, | |||
| 418 | enum device device) | |||
| 419 | { | |||
| 420 | Area usable; | |||
| 421 | ||||
| 422 | /* Determine printable area expressed in centipoints. There are 7200 | |||
| 423 | * centipoints to the inch. The width and height parameters passed in | |||
| 424 | * are expressed in 300ths of an inch, therefore a 24x conversion factor | |||
| 425 | * is used on the parameter values. The default page dimensions STDWIDTH | |||
| 426 | * and STDHEIGHT are expressed in inches so must be multiplied by 7200 | |||
| 427 | * to convert to centipoints. | |||
| 428 | */ | |||
| 429 | page.width = (width >= 0) ? width * 24 : STDWIDTH8.0 * 7200; | |||
| 430 | page.height = (height >= 0) ? height * 24 : STDHEIGHT10.5 * 7200; | |||
| 431 | ||||
| 432 | /* Paintjet Xl has a mechanical form feed, not a strip feed. It has | |||
| 433 | * a slop of about 1/4 to 1/2 of an inch at the top and bottom. | |||
| 434 | * deduct it from the page height. | |||
| 435 | */ | |||
| 436 | if (device == PJETXL) | |||
| 437 | page.height = page.height - 7200; | |||
| 438 | ||||
| 439 | /* Determine the area usable for the image. This area will be smaller | |||
| 440 | * than the total printable area if margins or header/trailer strings | |||
| 441 | * have been specified. Margins, like width and height discussed above, | |||
| 442 | * are expressed in 300ths of an inch and must be converted to centipoints. | |||
| 443 | * Header and trailer strings each reduce the available image height | |||
| 444 | * by 1/6 inch, or 1200 centipoints (aka CHARHEIGHT). | |||
| 445 | */ | |||
| 446 | usable.width = page.width - ((left > 0) ? (left * 24) : 0); | |||
| 447 | usable.height = page.height - ((top > 0) ? (top * 24) : 0) | |||
| 448 | - ((header) ? CHARHEIGHT1200 : 0) | |||
| 449 | - ((trailer) ? CHARHEIGHT1200 : 0); | |||
| 450 | ||||
| 451 | /* Quit here if there is no usable image space. */ | |||
| 452 | if ((usable.width <= 0) || (usable.height <= 0)) { | |||
| 453 | fatal_err((catgets(nlmsg_fd,NL_SETN,4,("No space available on page for image.") | |||
| 454 | "No space available on page for image.")("No space available on page for image."))); | |||
| 455 | } | |||
| 456 | ||||
| 457 | /* Determine image orientation. The orientation will only be changed if | |||
| 458 | * it was not specified by a command line option. Portrait mode will be | |||
| 459 | * used if either the usable printing area or the image area are square. | |||
| 460 | * Portrait mode will also be used if the long dimensions of the usable | |||
| 461 | * printing area and the image area match, otherwise landscape mode is | |||
| 462 | * used. Portrait mode really means "don't rotate" and landscape mode | |||
| 463 | * means "rotate". | |||
| 464 | */ | |||
| 465 | if (*orient == UNSPECIFIED) { | |||
| 466 | if ((usable.width == usable.height) | |||
| 467 | || (xwd_header.pixmap_width == xwd_header.pixmap_height)) | |||
| 468 | *orient = PORTRAIT; | |||
| 469 | else | |||
| 470 | *orient = ((usable.width < usable.height) | |||
| 471 | == (xwd_header.pixmap_width < xwd_header.pixmap_height)) | |||
| 472 | ? PORTRAIT : LANDSCAPE; | |||
| 473 | } | |||
| 474 | ||||
| 475 | /* Set the dots-per-inch print density if it was not specified */ | |||
| 476 | if (*density <= 0) { | |||
| 477 | switch(device) { | |||
| 478 | case LJET: *density = 300; | |||
| 479 | break; | |||
| 480 | case PJET: *density = 90; | |||
| 481 | break; | |||
| 482 | case PJETXL: | |||
| 483 | default: *density = 180; | |||
| 484 | break; | |||
| 485 | } | |||
| 486 | } | |||
| 487 | ||||
| 488 | /* Fit image to available area if scale was not specified */ | |||
| 489 | if (*scale <= 0) | |||
| 490 | *scale = scale_raster(*density, *orient, usable); | |||
| 491 | ||||
| 492 | /* Determine image clipping limits */ | |||
| 493 | set_image_limits(*scale, *density, *orient, usable); | |||
| 494 | ||||
| 495 | /* Determine header/trailer string length clipping */ | |||
| 496 | set_header_trailer_limits((char *)header, (char *)trailer, usable.width); | |||
| 497 | ||||
| 498 | /* Calculate locations for page layout */ | |||
| 499 | set_print_locations(*scale, *density, top, left, | |||
| 500 | header, trailer, *orient, position_on_page); | |||
| 501 | ||||
| 502 | } | |||
| 503 | ||||
| 504 | ||||
| 505 | static unsigned short fullintensity; | |||
| 506 | ||||
| 507 | #define BLACK1 1 | |||
| 508 | #define WHITE0 0 | |||
| 509 | #define EMPTY-1 -1 | |||
| 510 | #define MAX_PJ_COLOR16 16 | |||
| 511 | ||||
| 512 | #define RGBmatch(r,g,b,i)(r == i) && (g == i) && (b == i) (r == i) && (g == i) && (b == i) | |||
| 513 | ||||
| 514 | ||||
| 515 | /* Colormap array is used to map from the Xcolor array (xwd_colors) index | |||
| 516 | * numbers into a pjcolor index number. This style of mapping is done when | |||
| 517 | * interpreting non-Direct/TrueColor visual types. | |||
| 518 | */ | |||
| 519 | static long *colormap; | |||
| 520 | ||||
| 521 | ||||
| 522 | /* Pjcolor array is used to hold the scaled RGB triple values | |||
| 523 | * programmed into the printer. | |||
| 524 | */ | |||
| 525 | static long pjcolor[MAX_PJ_COLOR16]; | |||
| 526 | ||||
| 527 | ||||
| 528 | static int color_warning_given = FALSE0; | |||
| 529 | ||||
| 530 | ||||
| 531 | /* Global visual type indicator, used to select color interpretation method. */ | |||
| 532 | static char Direct_or_TrueColor; | |||
| 533 | ||||
| 534 | ||||
| 535 | /* Color index element definition, these are linked into a circular list | |||
| 536 | * for interpretation of DirectColor or TrueColor visual types. | |||
| 537 | */ | |||
| 538 | typedef struct colorindex { | |||
| 539 | long index; | |||
| 540 | long pjcolor_index; | |||
| 541 | struct colorindex *next; | |||
| 542 | } COLORINDEX; | |||
| 543 | ||||
| 544 | ||||
| 545 | /* Global data for color interpretation. This structure serves as a home | |||
| 546 | * for the color index lists (only used when processing DirectColor or | |||
| 547 | * TrueColor visual types). It also holds color processing switches and a | |||
| 548 | * pointer to the output file to reduce parameter passing overhead. | |||
| 549 | */ | |||
| 550 | static struct { | |||
| 551 | int PaintJet; | |||
| 552 | int Invert; | |||
| 553 | unsigned int CutOff; | |||
| 554 | FILE *OutFile; | |||
| 555 | COLORINDEX *indexchain, *freechain; | |||
| 556 | RGBshiftmask sm; | |||
| 557 | } color; | |||
| 558 | ||||
| 559 | ||||
| 560 | static | |||
| 561 | void setup_RGBshiftmask ( | |||
| 562 | RGBshiftmask *sm, | |||
| 563 | unsigned long rmask, unsigned long gmask, unsigned long bmask) | |||
| 564 | { | |||
| 565 | sm->Rmask = rmask; sm->Gmask = gmask; sm->Bmask = bmask; | |||
| 566 | sm->Rshift = 0; sm->Gshift = 0; sm->Bshift = 0; | |||
| 567 | ||||
| 568 | if (!rmask) | |||
| 569 | fatal_err((catgets(nlmsg_fd,NL_SETN,5, "red mask for visual is zero.")("red mask for visual is zero."))); | |||
| 570 | if (!gmask) | |||
| 571 | fatal_err((catgets(nlmsg_fd,NL_SETN,6, "green mask for visual is zero.")("green mask for visual is zero."))); | |||
| 572 | if (!bmask) | |||
| 573 | fatal_err((catgets(nlmsg_fd,NL_SETN,7, "blue mask for visual is zero.")("blue mask for visual is zero."))); | |||
| 574 | ||||
| 575 | for (; !(rmask & 1); sm->Rshift++) | |||
| 576 | rmask >>= 1; | |||
| 577 | for (; !(gmask & 1); sm->Gshift++) | |||
| 578 | gmask >>= 1; | |||
| 579 | for (; !(bmask & 1); sm->Bshift++) | |||
| 580 | bmask >>= 1; | |||
| 581 | } | |||
| 582 | ||||
| 583 | ||||
| 584 | static | |||
| 585 | void swap_black_and_white (void) | |||
| 586 | { | |||
| 587 | /* Reverse black and white in the Xcolor structure array. */ | |||
| 588 | ||||
| 589 | XColor *color; | |||
| 590 | int n; | |||
| 591 | ||||
| 592 | for (n=xwd_header.ncolors, color=xwd_colors; n>0; n--, color++) | |||
| 593 | if (RGBmatch((color->red & fullintensity), (color->green & fullintensity),((color->red & fullintensity) == fullintensity) && ((color->green & fullintensity) == fullintensity) && ((color->blue & fullintensity) == fullintensity) | |||
| 594 | (color->blue & fullintensity), fullintensity)((color->red & fullintensity) == fullintensity) && ((color->green & fullintensity) == fullintensity) && ((color->blue & fullintensity) == fullintensity)) | |||
| 595 | color->red = color->green = color->blue = 0; | |||
| 596 | else if (RGBmatch(color->red, color->green, color->blue, 0)(color->red == 0) && (color->green == 0) && (color->blue == 0)) | |||
| 597 | color->red = color->green = color->blue = fullintensity; | |||
| 598 | } | |||
| 599 | ||||
| 600 | ||||
| 601 | static | |||
| 602 | void reset_color_mapping (void) | |||
| 603 | { | |||
| 604 | int n; | |||
| 605 | long *cmap; | |||
| 606 | COLORINDEX *splice; | |||
| 607 | ||||
| 608 | for (n=0; n<MAX_PJ_COLOR16; n++) | |||
| 609 | pjcolor[n] = EMPTY-1; | |||
| 610 | ||||
| 611 | if (!color.PaintJet) { | |||
| 612 | /* preload for monochrome output */ | |||
| 613 | pjcolor[0] = WHITE0; | |||
| 614 | pjcolor[1] = BLACK1; | |||
| 615 | } | |||
| 616 | ||||
| 617 | if (Direct_or_TrueColor) { | |||
| 618 | /* move color index chain cells onto the free list */ | |||
| 619 | if (color.indexchain != NULL((void*)0)) { | |||
| 620 | splice = color.indexchain->next; | |||
| 621 | color.indexchain->next = color.freechain; | |||
| 622 | color.freechain = splice; | |||
| 623 | color.indexchain = NULL((void*)0); | |||
| 624 | } | |||
| 625 | } else if (color.PaintJet) | |||
| 626 | for (n=xwd_header.ncolors, cmap=colormap; n>0; n--, cmap++) | |||
| 627 | *cmap = EMPTY-1; | |||
| 628 | } | |||
| 629 | ||||
| 630 | ||||
| 631 | #define Intensity(r,g,b)((r) * 0.30 + (g) * 0.59 + (b) * 0.11) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11) | |||
| 632 | ||||
| 633 | static | |||
| 634 | void prepare_color_mapping ( | |||
| 635 | int invert, int paintjet, | |||
| 636 | unsigned int cutoff, | |||
| 637 | FILE *out) | |||
| 638 | { | |||
| 639 | int n; | |||
| 640 | long *cmap; | |||
| 641 | XColor *xcolor; | |||
| 642 | ||||
| 643 | for (n = xwd_header.bits_per_rgb, fullintensity = 0; n > 0; n--) | |||
| 644 | fullintensity = (fullintensity << 1) | 1; | |||
| 645 | for (n = sizeof(short) * 8 - xwd_header.bits_per_rgb; n > 0; n--) | |||
| 646 | fullintensity = (fullintensity << 1); | |||
| 647 | ||||
| 648 | Direct_or_TrueColor = (xwd_header.visual_class == DirectColor5 | |||
| 649 | || xwd_header.visual_class == TrueColor4); | |||
| 650 | color.PaintJet = paintjet; | |||
| 651 | color.Invert = invert; | |||
| 652 | color.CutOff = cutoff; | |||
| 653 | color.OutFile = out; | |||
| 654 | color.indexchain = NULL((void*)0); | |||
| 655 | color.freechain = NULL((void*)0); | |||
| 656 | ||||
| 657 | if (Direct_or_TrueColor) | |||
| 658 | setup_RGBshiftmask(&color.sm, xwd_header.red_mask, | |||
| 659 | xwd_header.green_mask, xwd_header.blue_mask); | |||
| 660 | else { | |||
| 661 | if (!(colormap = (long *) malloc(xwd_header.ncolors * sizeof(long)))) | |||
| 662 | fatal_err((catgets(nlmsg_fd,NL_SETN,24,("Could not allocate memory for X-to-printer colormap.") | |||
| 663 | "Could not allocate memory for X-to-printer colormap.")("Could not allocate memory for X-to-printer colormap."))); | |||
| 664 | ||||
| 665 | /* For PaintJet, color map assignment will be done one line at a time. | |||
| 666 | * So for now just interchange the Xcolor structure's black and white | |||
| 667 | * if the -rv command line option was specified. | |||
| 668 | */ | |||
| 669 | if (paintjet && invert) | |||
| 670 | swap_black_and_white(); | |||
| 671 | ||||
| 672 | /* For LaserJet, map each color to black or white based upon the | |||
| 673 | * combined intensity of the RGB components. Note that the normal | |||
| 674 | * non-reversed (-rv) LaserJet mapping will represent light areas | |||
| 675 | * of the screen as black on the paper. | |||
| 676 | */ | |||
| 677 | if (!paintjet) | |||
| 678 | for (n=xwd_header.ncolors, xcolor=xwd_colors, cmap=colormap; n>0; | |||
| 679 | n--, xcolor++, cmap++) | |||
| 680 | *cmap = (Intensity(xcolor->red, xcolor->green, xcolor->blue)((xcolor->red) * 0.30 + (xcolor->green) * 0.59 + (xcolor ->blue) * 0.11) < cutoff) | |||
| 681 | ? (invert ? BLACK1 : WHITE0) | |||
| 682 | : (invert ? WHITE0 : BLACK1); | |||
| 683 | } | |||
| 684 | reset_color_mapping(); | |||
| 685 | } | |||
| 686 | ||||
| 687 | ||||
| 688 | /* On a PaintJet printer, the programmable color intensity ranges are: | |||
| 689 | * | |||
| 690 | * red: 4..90 green: 4..88 blue: 6..85 | |||
| 691 | * | |||
| 692 | * The following macros map the 0..65535 intensity ranges of X colors | |||
| 693 | * into the PaintJet's ranges. | |||
| 694 | */ | |||
| 695 | ||||
| 696 | #define fixred(x)(x / 762 + 4) (x / 762 + 4) | |||
| 697 | #define fixgreen(x)(x / 780 + 4) (x / 780 + 4) | |||
| 698 | #define fixblue(x)(x / 829 + 6) (x / 829 + 6) | |||
| 699 | ||||
| 700 | #define is_grey(r,g,b)((r == g) && (r == b)) ((r == g) && (r == b)) | |||
| 701 | ||||
| 702 | ||||
| 703 | static | |||
| 704 | void select_grey (int level, int *r, int *g, int *b) | |||
| 705 | { | |||
| 706 | /* Forced selection of a grey. This is done since the PaintJet does | |||
| 707 | * not do very well when picking greys, they tend to become pink! | |||
| 708 | */ | |||
| 709 | if (level > 66) { /* white */ | |||
| 710 | *r = 90; *g = 88; *b = 85; | |||
| 711 | } else if (level > 35) { | |||
| 712 | *r = 43; *g = 43; *b = 45; | |||
| 713 | } else if (level > 21) { | |||
| 714 | *r = 25; *g = 25; *b = 33; | |||
| 715 | } else if (level > 15) { | |||
| 716 | *r = 15; *g = 16; *b = 18; | |||
| 717 | } else if (level > 11) { | |||
| 718 | *r = 14; *g = 14; *b = 18; | |||
| 719 | } else if (level > 6) { | |||
| 720 | *r = 6; *g = 7; *b = 8; | |||
| 721 | } else { /* black */ | |||
| 722 | *r = 4; *g = 4; *b = 6; | |||
| 723 | } | |||
| 724 | } | |||
| 725 | ||||
| 726 | ||||
| 727 | static | |||
| 728 | int load_printer_color ( | |||
| 729 | long index, | |||
| 730 | int nearmatch, | |||
| 731 | enum device device) /* for non Direct/TrueColor */ | |||
| 732 | { | |||
| 733 | int n, red, blue, green, xred, xgreen, xblue; | |||
| 734 | long compositeRGB; | |||
| 735 | ||||
| 736 | if (colormap[index] != EMPTY-1) | |||
| 737 | /* printer has already been programmed for this color index */ | |||
| 738 | return(1); /* "success" */ | |||
| 739 | else { | |||
| 740 | xred = xwd_colors[index].red; | |||
| 741 | xgreen = xwd_colors[index].green; | |||
| 742 | xblue = xwd_colors[index].blue; | |||
| 743 | /* determine the scaled RGB PaintJet color values */ | |||
| 744 | if (device == PJET) { | |||
| 745 | red = fixred(xred)(xred / 762 + 4); | |||
| 746 | green = fixgreen(xgreen)(xgreen / 780 + 4); | |||
| 747 | blue = fixblue(xblue)(xblue / 829 + 6); | |||
| 748 | if (is_grey(xred, xgreen, xblue)((xred == xgreen) && (xred == xblue))) /* assist grey selection */ | |||
| 749 | select_grey(red, &red, &green, &blue); | |||
| 750 | } | |||
| 751 | compositeRGB = (red << 16) | (green << 8) | blue; | |||
| 752 | /* search for a matching or unused PaintJet mapping entry */ | |||
| 753 | for (n=0; n<MAX_PJ_COLOR16; n++) { | |||
| 754 | if (pjcolor[n] == compositeRGB) { | |||
| 755 | /* record mapping for this index */ | |||
| 756 | colormap[index] = n; | |||
| 757 | /* return "success" */ | |||
| 758 | return(1); | |||
| 759 | } else if (pjcolor[n] == EMPTY-1) { | |||
| 760 | /* download color to printer */ | |||
| 761 | fprintf(color.OutFile,"\033*v%dA", red); | |||
| 762 | fprintf(color.OutFile,"\033*v%dB", green); | |||
| 763 | fprintf(color.OutFile,"\033*v%dC", blue); | |||
| 764 | fprintf(color.OutFile,"\033*v%dI", n); | |||
| 765 | /* record that this is now programmed */ | |||
| 766 | pjcolor[n] = compositeRGB; | |||
| 767 | colormap[index] = n; | |||
| 768 | /* return "success" */ | |||
| 769 | return(1); | |||
| 770 | } | |||
| 771 | } | |||
| 772 | /* unable to find or program this color */ | |||
| 773 | if (nearmatch) | |||
| 774 | colormap[index] = find_nearest_programmed_color(compositeRGB); | |||
| 775 | } | |||
| 776 | return(0); /* "failure" */ | |||
| 777 | } | |||
| 778 | ||||
| 779 | ||||
| 780 | /* Lookup the image color index on the color.indexchain list. If found | |||
| 781 | * return the corresponding printer color index, otherwise -1. The index | |||
| 782 | * chain is a singly linked circular list. Its head pointer is left at | |||
| 783 | * the last cell matched on the theory that this will allow faster lookup | |||
| 784 | * for runs of color. | |||
| 785 | */ | |||
| 786 | static | |||
| 787 | int lookup_color_index (long i) | |||
| 788 | { | |||
| 789 | COLORINDEX *start, *current; | |||
| 790 | ||||
| 791 | start = current = color.indexchain; | |||
| 792 | ||||
| 793 | if (current == NULL((void*)0)) | |||
| 794 | return(-1); /* not found */ | |||
| 795 | ||||
| 796 | do { | |||
| 797 | if (current->index == i) { | |||
| 798 | color.indexchain = current; | |||
| 799 | return(current->pjcolor_index); /* found */ | |||
| 800 | } | |||
| 801 | current = current->next; | |||
| 802 | } while (current != start); | |||
| 803 | ||||
| 804 | return(-1); /* not found */ | |||
| 805 | } | |||
| 806 | ||||
| 807 | ||||
| 808 | /* Calculate the individual and composite printer RGB values. (Only the | |||
| 809 | * composite value is set for monochrome output.) | |||
| 810 | */ | |||
| 811 | static | |||
| 812 | void select_printer_color ( | |||
| 813 | long index, | |||
| 814 | int *red, int *green, int *blue, | |||
| 815 | long *compositeRGB, | |||
| 816 | enum device device) | |||
| 817 | { | |||
| 818 | int xred, xgreen, xblue; | |||
| 819 | ||||
| 820 | xred = xwd_colors[((index & color.sm.Rmask) >> color.sm.Rshift)].red; | |||
| 821 | xgreen = xwd_colors[((index & color.sm.Gmask) >> color.sm.Gshift)].green; | |||
| 822 | xblue = xwd_colors[((index & color.sm.Bmask) >> color.sm.Bshift)].blue; | |||
| 823 | ||||
| 824 | if (color.PaintJet) { | |||
| 825 | if (color.Invert) { | |||
| 826 | if (RGBmatch((xred & fullintensity), (xgreen & fullintensity),((xred & fullintensity) == fullintensity) && ((xgreen & fullintensity) == fullintensity) && ((xblue & fullintensity) == fullintensity) | |||
| 827 | (xblue & fullintensity), fullintensity)((xred & fullintensity) == fullintensity) && ((xgreen & fullintensity) == fullintensity) && ((xblue & fullintensity) == fullintensity)) | |||
| 828 | xred = xgreen = xblue = 0; | |||
| 829 | else if (RGBmatch(xred, xgreen, xblue, 0)(xred == 0) && (xgreen == 0) && (xblue == 0)) | |||
| 830 | xred = xgreen = xblue = fullintensity; | |||
| 831 | } | |||
| 832 | /* determine the scaled RGB PaintJet color values */ | |||
| 833 | if (device == PJET) { | |||
| 834 | *red = fixred(xred)(xred / 762 + 4); | |||
| 835 | *green = fixgreen(xgreen)(xgreen / 780 + 4); | |||
| 836 | *blue = fixblue(xblue)(xblue / 829 + 6); | |||
| 837 | if (is_grey(xred, xgreen, xblue)((xred == xgreen) && (xred == xblue))) /* assist grey selection */ | |||
| 838 | select_grey(*red, red, green, blue); | |||
| 839 | } | |||
| 840 | if (device == PJETXL) { | |||
| 841 | *red = xred >> 8; | |||
| 842 | *green = xgreen >> 8; | |||
| 843 | *blue = xblue >> 8; | |||
| 844 | } | |||
| 845 | *compositeRGB = (*red << 16) | (*green << 8) | *blue; | |||
| 846 | } else /* monochrome */ | |||
| 847 | *compositeRGB = (Intensity(xred, xgreen, xblue)((xred) * 0.30 + (xgreen) * 0.59 + (xblue) * 0.11) < color.CutOff) | |||
| 848 | ? (color.Invert ? BLACK1 : WHITE0) | |||
| 849 | : (color.Invert ? WHITE0 : BLACK1); | |||
| 850 | } | |||
| 851 | ||||
| 852 | ||||
| 853 | ||||
| 854 | /* Search for a color matching the compositeRGB value in the array of | |||
| 855 | * colors already programmed into the printer. Returns 1 if found, | |||
| 856 | * 0 otherwise. The matching array index is returned in pindex. | |||
| 857 | */ | |||
| 858 | static | |||
| 859 | int color_already_in_printer (long compositeRGB, long *pindex) | |||
| 860 | { | |||
| 861 | int n; | |||
| 862 | ||||
| 863 | for (n=0; n<MAX_PJ_COLOR16; n++) | |||
| 864 | if (pjcolor[n] == EMPTY-1) | |||
| 865 | return(0); /* not found */ | |||
| 866 | else if (pjcolor[n] == compositeRGB) { | |||
| 867 | *pindex = n; | |||
| 868 | return(1); /* found */ | |||
| 869 | } | |||
| 870 | return(0); /* not found */ | |||
| 871 | } | |||
| 872 | ||||
| 873 | ||||
| 874 | static | |||
| 875 | int program_new_printer_color ( | |||
| 876 | int red, int green, int blue, | |||
| 877 | long compositeRGB, | |||
| 878 | long *pindex) | |||
| 879 | { | |||
| 880 | int n; | |||
| 881 | ||||
| 882 | for (n=0; n<MAX_PJ_COLOR16; n++) | |||
| 883 | if (pjcolor[n] == EMPTY-1) { | |||
| 884 | /* download color to printer */ | |||
| 885 | fprintf(color.OutFile,"\033*v%dA", red); | |||
| 886 | fprintf(color.OutFile,"\033*v%dB", green); | |||
| 887 | fprintf(color.OutFile,"\033*v%dC", blue); | |||
| 888 | fprintf(color.OutFile,"\033*v%dI", n); | |||
| 889 | /* record that this is now programmed */ | |||
| 890 | pjcolor[n] = compositeRGB; | |||
| 891 | *pindex = n; | |||
| 892 | /* return "success" */ | |||
| 893 | return(1); | |||
| 894 | } | |||
| 895 | /* unable to program this color, return "failure" */ | |||
| 896 | return(0); | |||
| 897 | } | |||
| 898 | ||||
| 899 | ||||
| 900 | static | |||
| 901 | long composite_diff (long x, long y) | |||
| 902 | { | |||
| 903 | long r = (x >> 16 & 0xFF) - (y >> 16 & 0xFF); | |||
| 904 | long g = (x >> 8 & 0xFF) - (y >> 8 & 0xFF); | |||
| 905 | long b = (x & 0xFF) - (y & 0xFF); | |||
| 906 | ||||
| 907 | return(r*r + g*g + b*b); | |||
| 908 | } | |||
| 909 | ||||
| 910 | ||||
| 911 | static | |||
| 912 | long find_nearest_programmed_color (long compositeRGB) | |||
| 913 | { | |||
| 914 | int n, nearest = 0; | |||
| 915 | long neardiff = composite_diff(pjcolor[0], compositeRGB); | |||
| 916 | long diff; | |||
| 917 | ||||
| 918 | for (n=1; n<MAX_PJ_COLOR16; n++) { | |||
| 919 | diff = composite_diff(pjcolor[n], compositeRGB); | |||
| 920 | if (diff < neardiff) { | |||
| 921 | neardiff = diff; | |||
| 922 | nearest = n; | |||
| 923 | } | |||
| 924 | } | |||
| 925 | return(nearest); | |||
| 926 | } | |||
| 927 | ||||
| 928 | ||||
| 929 | static | |||
| 930 | void add_index_to_chain ( | |||
| 931 | long cindex, | |||
| 932 | long pindex) | |||
| 933 | { | |||
| 934 | COLORINDEX *new; | |||
| 935 | ||||
| 936 | /* Get a new cell for the color index chain. Take it from the free list | |||
| 937 | * if possible, otherwise malloc space. | |||
| 938 | */ | |||
| 939 | if (color.freechain == NULL((void*)0)) { | |||
| 940 | if (!(new = (COLORINDEX *) malloc(sizeof(COLORINDEX)))) | |||
| 941 | fatal_err((catgets(nlmsg_fd,NL_SETN,8,("Could not allocate memory for color translation.") | |||
| 942 | "Could not allocate memory for color translation.")("Could not allocate memory for color translation."))); | |||
| 943 | } else { | |||
| 944 | new = color.freechain; | |||
| 945 | color.freechain = color.freechain->next; | |||
| 946 | } | |||
| 947 | ||||
| 948 | /* put index values in the new cell */ | |||
| 949 | new->index = cindex; | |||
| 950 | new->pjcolor_index = pindex; | |||
| 951 | ||||
| 952 | /* link the new cell into the chain */ | |||
| 953 | if (color.indexchain == NULL((void*)0)) | |||
| 954 | new->next = new; | |||
| 955 | else { | |||
| 956 | new->next = color.indexchain->next; | |||
| 957 | color.indexchain->next = new; | |||
| 958 | } | |||
| 959 | /* leave head pointer at the new cell */ | |||
| 960 | color.indexchain = new; | |||
| 961 | } | |||
| 962 | ||||
| 963 | ||||
| 964 | static | |||
| 965 | int load_printer_color_DT ( | |||
| 966 | long index, | |||
| 967 | int nearmatch, | |||
| 968 | enum device device) /* for Direct/TrueColor */ | |||
| 969 | { | |||
| 970 | int pjred, pjgreen, pjblue; | |||
| 971 | long compositeRGB; | |||
| 972 | long pindex; | |||
| 973 | ||||
| 974 | if (lookup_color_index(index) >= 0) | |||
| 975 | return(1); /* "success" */ | |||
| 976 | else { | |||
| 977 | select_printer_color(index, &pjred, &pjgreen, &pjblue, &compositeRGB, | |||
| 978 | device); | |||
| 979 | if (color_already_in_printer(compositeRGB, &pindex)) { | |||
| 980 | add_index_to_chain(index, pindex); | |||
| 981 | return(1); /* success */ | |||
| 982 | } else if (program_new_printer_color(pjred, pjgreen, pjblue, | |||
| 983 | compositeRGB, &pindex)) { | |||
| 984 | add_index_to_chain(index, pindex); | |||
| 985 | return(1); /* success */ | |||
| 986 | } else if (nearmatch) { | |||
| 987 | add_index_to_chain(index, find_nearest_programmed_color(compositeRGB)); | |||
| 988 | return(0); /* failure, sorta... */ | |||
| 989 | } | |||
| 990 | } | |||
| 991 | return(0); /* failure */ | |||
| 992 | } | |||
| 993 | ||||
| 994 | ||||
| 995 | static | |||
| 996 | int load_line_colors ( | |||
| 997 | long *line, | |||
| 998 | int length, int nearmatch, | |||
| 999 | enum device device) | |||
| 1000 | { | |||
| 1001 | int result = 1; /* initialized to "success" */ | |||
| 1002 | ||||
| 1003 | for (; length>0; length--, line++) { | |||
| 1004 | result &= Direct_or_TrueColor | |||
| 1005 | ? load_printer_color_DT(*line, nearmatch, device) | |||
| 1006 | : load_printer_color(*line, nearmatch, device); | |||
| 1007 | if (!(nearmatch || result)) | |||
| 1008 | break; | |||
| 1009 | } | |||
| 1010 | return(result); | |||
| 1011 | } | |||
| 1012 | ||||
| 1013 | ||||
| 1014 | static | |||
| 1015 | void download_colors ( | |||
| 1016 | long *line, | |||
| 1017 | int length, | |||
| 1018 | enum device device) | |||
| 1019 | { | |||
| 1020 | /* For the first attempt at loading the colors for a line only exact | |||
| 1021 | * color matches are accepted. If this fails, the closest colors are | |||
| 1022 | * accepted on the second attempt. | |||
| 1023 | * | |||
| 1024 | * Note: The first "if" test below bypasses the initial color loading | |||
| 1025 | * attempt for monochrome output (which will only come here for Direct | |||
| 1026 | * or TrueColor mono). This forces reset_color_mapping which is | |||
| 1027 | * necessary to keep the color index chain down to a tolerable length. | |||
| 1028 | */ | |||
| 1029 | if (!color.PaintJet || !load_line_colors(line, length, FALSE0, device)) { | |||
| 1030 | reset_color_mapping(); | |||
| 1031 | if (!load_line_colors(line, length, TRUE1, device) && | |||
| 1032 | !color_warning_given) { | |||
| 1033 | fprintf(stderr__stderrp,(catgets(nlmsg_fd,NL_SETN,9,("%s: Warning: Cannot print all image colors.\n") | |||
| 1034 | "%s: Warning: Cannot print all image colors.\n")("%s: Warning: Cannot print all image colors.\n")), | |||
| 1035 | progname); | |||
| 1036 | color_warning_given = TRUE1; | |||
| 1037 | } | |||
| 1038 | } | |||
| 1039 | } | |||
| 1040 | ||||
| 1041 | ||||
| 1042 | static _X_INLINEinline _X_NORETURN__attribute((noreturn)) | |||
| 1043 | void invalid_depth_for_visual(int depth, const char *name) | |||
| 1044 | { | |||
| 1045 | fatal_err(catgets(nlmsg_fd,NL_SETN,25,("%d bit deep %s bitmap not supported.\n") | |||
| 1046 | "%d bit deep %s bitmap not supported.\n")("%d bit deep %s bitmap not supported.\n"), | |||
| 1047 | depth, name); | |||
| 1048 | } | |||
| 1049 | ||||
| 1050 | static | |||
| 1051 | void validate_visual(void) | |||
| 1052 | { | |||
| 1053 | int depth = xwd_header.pixmap_depth; | |||
| 1054 | ||||
| 1055 | switch (xwd_header.visual_class) { | |||
| 1056 | case GrayScale1: | |||
| 1057 | if (depth > 8) invalid_depth_for_visual(depth, "GrayScale"); break; | |||
| 1058 | case StaticGray0: | |||
| 1059 | if (depth > 8) invalid_depth_for_visual(depth, "StaticGray"); break; | |||
| 1060 | case PseudoColor3: | |||
| 1061 | if (depth > 8) invalid_depth_for_visual(depth, "PseudoColor"); break; | |||
| 1062 | case StaticColor2: | |||
| 1063 | if (depth > 8) invalid_depth_for_visual(depth, "StaticColor"); break; | |||
| 1064 | case DirectColor5: | |||
| 1065 | if (depth != 12 && depth != 24) | |||
| 1066 | invalid_depth_for_visual(depth, "DirectColor"); | |||
| 1067 | break; | |||
| 1068 | case TrueColor4: | |||
| 1069 | if (depth != 12 && depth != 24) | |||
| 1070 | invalid_depth_for_visual(depth, "TrueColor"); | |||
| 1071 | break; | |||
| 1072 | default: | |||
| 1073 | fatal_err((catgets(nlmsg_fd,NL_SETN,26,("visual class #%d not supported.\n") | |||
| 1074 | "visual class #%d not supported.\n")("visual class #%d not supported.\n")), | |||
| 1075 | (int)xwd_header.visual_class); | |||
| 1076 | } | |||
| 1077 | } | |||
| 1078 | ||||
| 1079 | static | |||
| 1080 | void read_xwd_data (FILE *in) | |||
| 1081 | { | |||
| 1082 | # define WINDOW_NAME_ALLOC32 32 | |||
| 1083 | unsigned long swaptest = 1; | |||
| 1084 | int window_name_size; | |||
| 1085 | int image_size; | |||
| 1086 | int n; | |||
| 1087 | char window_name [WINDOW_NAME_ALLOC32]; | |||
| 1088 | ||||
| 1089 | /* Read in XWDFileHeader structure */ | |||
| 1090 | if (fread((char*) &xwd_header, 1, XWDHEADERSIZE(sizeof(XWDFileHeader)), in) != XWDHEADERSIZE(sizeof(XWDFileHeader))) | |||
| 1091 | fatal_err((catgets(nlmsg_fd,NL_SETN,10,("Could not read xwd file's header.") | |||
| 1092 | "Could not read xwd file's header.")("Could not read xwd file's header."))); | |||
| 1093 | ||||
| 1094 | if (*(char *) &swaptest) | |||
| 1095 | _swaplong((char *) &xwd_header, XWDHEADERSIZE(sizeof(XWDFileHeader))); | |||
| 1096 | ||||
| 1097 | validate_visual(); | |||
| 1098 | ||||
| 1099 | /* Skip over window name */ | |||
| 1100 | window_name_size = xwd_header.header_size - XWDHEADERSIZE(sizeof(XWDFileHeader)); | |||
| 1101 | while (window_name_size > 0) { | |||
| 1102 | n = window_name_size > WINDOW_NAME_ALLOC32 | |||
| 1103 | ? WINDOW_NAME_ALLOC32 : window_name_size; | |||
| 1104 | if (fread(window_name, 1, n, in) != n) | |||
| 1105 | fatal_err((catgets(nlmsg_fd,NL_SETN,11,("Could not read xwd file's window name.") | |||
| 1106 | "Could not read xwd file's window name.")("Could not read xwd file's window name."))); | |||
| 1107 | window_name_size -= n; | |||
| 1108 | } | |||
| 1109 | ||||
| 1110 | /* Allocate space for xwd color structures */ | |||
| 1111 | if (!(xwd_colors = (XColor*) malloc(sizeof(XColor) * xwd_header.ncolors))) | |||
| 1112 | fatal_err((catgets(nlmsg_fd,NL_SETN,12,("Could not allocate memory for xwdfile color table.") | |||
| 1113 | "Could not allocate memory for xwdfile color table.")("Could not allocate memory for xwdfile color table."))); | |||
| 1114 | ||||
| 1115 | /* Read in xwd color structures */ | |||
| 1116 | for (n = 0; n < xwd_header.ncolors; n++) | |||
| 1117 | if (fread(&xwd_colors[n], 1, XCOLORSIZE(sizeof(XColor)), in) != XCOLORSIZE(sizeof(XColor))) | |||
| 1118 | fatal_err((catgets(nlmsg_fd,NL_SETN,13,("Could not read xwd file's color table.") | |||
| 1119 | "Could not read xwd file's color table.")("Could not read xwd file's color table."))); | |||
| 1120 | ||||
| 1121 | if (*(char *) &swaptest) { | |||
| 1122 | for (n = 0; n < xwd_header.ncolors; n++) { | |||
| 1123 | _swaplong((char *) &xwd_colors[n].pixel, sizeof(long)); | |||
| 1124 | _swapshort((char *) &xwd_colors[n].red, 3 * sizeof(short)); | |||
| 1125 | } | |||
| 1126 | } | |||
| 1127 | ||||
| 1128 | /* Allocate space for xwd image */ | |||
| 1129 | if (xwd_header.pixmap_format == ZPixmap2) | |||
| 1130 | image_size = 1; | |||
| 1131 | else if (xwd_header.pixmap_format == XYPixmap1) | |||
| 1132 | image_size = xwd_header.pixmap_depth; | |||
| 1133 | else | |||
| 1134 | fatal_err((catgets(nlmsg_fd,NL_SETN,14,("Image in xwd file is not in Z or XY pixmap format.") | |||
| 1135 | "Image in xwd file is not in Z or XY pixmap format.")("Image in xwd file is not in Z or XY pixmap format."))); | |||
| 1136 | image_size *= xwd_header.bytes_per_line * xwd_header.pixmap_height; | |||
| 1137 | if (!(xwd_image = malloc(image_size))) | |||
| 1138 | fatal_err((catgets(nlmsg_fd,NL_SETN,15,("Could not allocate memory for xwd file's image.") | |||
| 1139 | "Could not allocate memory for xwd file's image.")("Could not allocate memory for xwd file's image."))); | |||
| 1140 | ||||
| 1141 | /* Read in xwd image */ | |||
| 1142 | if (fread(xwd_image, 1, image_size, in) != image_size) | |||
| 1143 | fatal_err((catgets(nlmsg_fd,NL_SETN,16,("Could not read xwd file's image.") | |||
| 1144 | "Could not read xwd file's image.")("Could not read xwd file's image."))); | |||
| 1145 | ||||
| 1146 | } | |||
| 1147 | ||||
| 1148 | ||||
| 1149 | static | |||
| 1150 | void write_image_prefix ( | |||
| 1151 | FILE *out, | |||
| 1152 | int scale, int density, | |||
| 1153 | const char *header, | |||
| 1154 | enum device device, | |||
| 1155 | int position_on_page, int initial_formfeed, | |||
| 1156 | enum orientation orient, | |||
| 1157 | float gamma, | |||
| 1158 | int render, | |||
| 1159 | int slide) | |||
| 1160 | { | |||
| 1161 | if (initial_formfeed) | |||
| 1162 | fprintf(out,"\014"); | |||
| 1163 | ||||
| 1164 | /* Write out header & positioning commands */ | |||
| 1165 | if (header) { | |||
| 1166 | if (position_on_page) | |||
| 1167 | fprintf(out,"\033&a%dH\033&a%dV", | |||
| 1168 | /* headerloc x & y are written in decipoints */ | |||
| 1169 | (int) headerloc.x / 10, (int) headerloc.y / 10); | |||
| 1170 | fprintf(out,"%s\n", header); | |||
| 1171 | } | |||
| 1172 | ||||
| 1173 | /* Prepare printer for raster graphics: */ | |||
| 1174 | ||||
| 1175 | /* Write image positioning commands */ | |||
| 1176 | if (position_on_page) | |||
| 1177 | fprintf(out,"\033&a%dH\033&a%dV", | |||
| 1178 | /* imageloc x & y are written in decipoints */ | |||
| 1179 | (int) imageloc.x / 10, (int) imageloc.y / 10); | |||
| 1180 | ||||
| 1181 | /* If doing transparencies, tell the printer before raster graphics */ | |||
| 1182 | if (slide && device != LJET) | |||
| 1183 | fprintf(out, "\033&k3W"); | |||
| 1184 | ||||
| 1185 | /* Set printer resolution */ | |||
| 1186 | fprintf(out,"\033*t%dR", density); | |||
| 1187 | ||||
| 1188 | /* | |||
| 1189 | * do device dependent escape sequences | |||
| 1190 | */ | |||
| 1191 | if (device == PJET) { | |||
| 1192 | /* Enable all four "planes" for PaintJet */ | |||
| 1193 | fprintf(out,"\033*r4U"); | |||
| 1194 | ||||
| 1195 | /* Set picture width for PaintJet */ | |||
| 1196 | fprintf(out,"\033*r%dS", | |||
| 1197 | (int) (((orient == PORTRAIT) ? limit.width : limit.height) | |||
| 1198 | * scale)); | |||
| 1199 | } | |||
| 1200 | ||||
| 1201 | /* Enable various options for PaintJet XL */ | |||
| 1202 | if (device == PJETXL) { | |||
| 1203 | double dotsize; | |||
| 1204 | int n; | |||
| 1205 | ||||
| 1206 | /* Speed up printing by telling that there | |||
| 1207 | * will be no negative positioning | |||
| 1208 | */ | |||
| 1209 | fprintf(out, "\033&a1N"); | |||
| 1210 | ||||
| 1211 | if (gamma > 0.009) | |||
| 1212 | fprintf(out, "\033*t%.2fI", gamma); | |||
| 1213 | ||||
| 1214 | if (render > 0) | |||
| 1215 | fprintf(out, "\033*t%dJ", render); | |||
| 1216 | ||||
| 1217 | if (Direct_or_TrueColor) | |||
| 1218 | /* Enable direct by pixel for PaintJet XL */ | |||
| 1219 | fwrite("\033*v6W\000\003\010\010\010\010", 1, 11, out); | |||
| 1220 | else { | |||
| 1221 | /* Enable index by pixel for PaintJet XL */ | |||
| 1222 | fwrite("\033*v6W\000\001\010\010\010\010", 1, 11, out); | |||
| 1223 | ||||
| 1224 | /* Program the palette */ | |||
| 1225 | for (n = 0; n < xwd_header.ncolors; n++) { | |||
| 1226 | fprintf(out,"\033*v%dA", (xwd_colors[n].red >> 8)); | |||
| 1227 | fprintf(out,"\033*v%dB", (xwd_colors[n].green >> 8)); | |||
| 1228 | fprintf(out,"\033*v%dC", (xwd_colors[n].blue >> 8)); | |||
| 1229 | fprintf(out,"\033*v%dI", n); | |||
| 1230 | } | |||
| 1231 | } | |||
| 1232 | ||||
| 1233 | /**************************************** | |||
| 1234 | * * | |||
| 1235 | * PaintJet XL will do its own scaling * | |||
| 1236 | * * | |||
| 1237 | * Set picture width for PaintJet XL * | |||
| 1238 | ****************************************/ | |||
| 1239 | fprintf(out,"\033*r%dS", | |||
| 1240 | (int) ((orient == PORTRAIT) ? xwd_header.pixmap_width | |||
| 1241 | : xwd_header.pixmap_height)); | |||
| 1242 | fprintf(out,"\033*r%dT", | |||
| 1243 | (int) ((orient == PORTRAIT) ? xwd_header.pixmap_height | |||
| 1244 | : xwd_header.pixmap_width)); | |||
| 1245 | ||||
| 1246 | dotsize = dot_centipoints(scale, density)((7200.0 * (scale)) / (density)); | |||
| 1247 | ||||
| 1248 | fprintf(out,"\033*t%dH", | |||
| 1249 | (int)(((orient == PORTRAIT) ? xwd_header.pixmap_width | |||
| 1250 | : xwd_header.pixmap_height) | |||
| 1251 | * dotsize / 10)); | |||
| 1252 | ||||
| 1253 | fprintf(out,"\033*t%dV", | |||
| 1254 | (int)(((orient == PORTRAIT) ? xwd_header.pixmap_height | |||
| 1255 | : xwd_header.pixmap_width) | |||
| 1256 | * dotsize / 10)); | |||
| 1257 | } | |||
| 1258 | ||||
| 1259 | /* Switch to raster graphics mode */ | |||
| 1260 | if (device != PJETXL) | |||
| 1261 | fprintf(out,"\033*r1A"); | |||
| 1262 | else | |||
| 1263 | fprintf(out,"\033*r3A"); | |||
| 1264 | ||||
| 1265 | } | |||
| 1266 | ||||
| 1267 | ||||
| 1268 | static | |||
| 1269 | void write_image_suffix ( | |||
| 1270 | FILE *out, | |||
| 1271 | const char *trailer, | |||
| 1272 | int position_on_page, | |||
| 1273 | int slide, int render, | |||
| 1274 | enum device device) | |||
| 1275 | { | |||
| 1276 | /* Exit raster graphics mode */ | |||
| 1277 | if (device == PJETXL) | |||
| 1278 | fprintf(out,"\033*rC"); | |||
| 1279 | else | |||
| 1280 | fprintf(out,"\033*rB"); | |||
| 1281 | ||||
| 1282 | /* If doing transparencies, tell it to stop */ | |||
| 1283 | if (slide && device != LJET) | |||
| 1284 | fprintf(out, "\033&k1W"); | |||
| 1285 | ||||
| 1286 | if (device == PJETXL) { | |||
| 1287 | /* If selected a rendering algorithm, tell it to stop */ | |||
| 1288 | if (render) | |||
| 1289 | fprintf(out, "\033*t3J"); | |||
| 1290 | fprintf(out, "\033&a0N"); | |||
| 1291 | } | |||
| 1292 | ||||
| 1293 | /* Write out trailer & positioning commands */ | |||
| 1294 | if (trailer) { | |||
| 1295 | if (position_on_page) | |||
| 1296 | fprintf(out,"\033&a%dH\033&a%dV", | |||
| 1297 | /* trailerloc x & y are written in decipoints */ | |||
| 1298 | (int) trailerloc.x / 10, (int) trailerloc.y / 10); | |||
| 1299 | fprintf(out,"%s\n", trailer); | |||
| 1300 | } | |||
| 1301 | } | |||
| 1302 | ||||
| 1303 | ||||
| 1304 | static | |||
| 1305 | unsigned long Z_image_pixel (int x, int y) | |||
| 1306 | { | |||
| 1307 | int pixel_bytes, offset; | |||
| 1308 | unsigned char *image; | |||
| 1309 | unsigned long pixel; | |||
| 1310 | ||||
| 1311 | pixel_bytes = xwd_header.bits_per_pixel >> 3; | |||
| 1312 | offset = ((xwd_header.bits_per_pixel == 4) ? (x / 2) | |||
| 1313 | : ((xwd_header.bits_per_pixel == 1) ? (x / 8) | |||
| 1314 | : (x * pixel_bytes))) | |||
| 1315 | + (y * xwd_header.bytes_per_line); | |||
| 1316 | ||||
| 1317 | image = (unsigned char *) &xwd_image[offset]; | |||
| 1318 | ||||
| 1319 | switch (pixel_bytes) { | |||
| 1320 | case 0: /* pixel per nibble or bit per pixel packing */ | |||
| 1321 | if (xwd_header.bits_per_pixel == 1) { | |||
| 1322 | if (xwd_header.byte_order == MSBFirst1) | |||
| 1323 | pixel = *image >> (7 - (x % 8)); | |||
| 1324 | else | |||
| 1325 | pixel = *image >> (x % 8); | |||
| 1326 | } else { /* xwd_header.bits_per_pixel == 4 */ | |||
| 1327 | if (xwd_header.byte_order == MSBFirst1) | |||
| 1328 | pixel = (x & 1) ? *image : (*image >> 4); | |||
| 1329 | else | |||
| 1330 | pixel = (x & 1) ? (*image >> 4) : *image; | |||
| 1331 | } | |||
| 1332 | break; | |||
| 1333 | case 1: | |||
| 1334 | pixel = *image; | |||
| 1335 | break; | |||
| 1336 | case 2: | |||
| 1337 | pixel = (xwd_header.byte_order == MSBFirst1) | |||
| 1338 | ? ((unsigned long)*image << 8 | *(image + 1)) | |||
| 1339 | : (*image | (unsigned long)*(image + 1) << 8); | |||
| 1340 | break; | |||
| 1341 | case 3: | |||
| 1342 | pixel = (xwd_header.byte_order == MSBFirst1) | |||
| 1343 | ? ((unsigned long)*image << 16 | | |||
| 1344 | (unsigned long)*(image + 1) << 8 | | |||
| 1345 | (unsigned long)*(image + 2)) | |||
| 1346 | : (*image | | |||
| 1347 | (unsigned long)*(image + 1) << 8 | | |||
| 1348 | (unsigned long)*(image + 2) << 16); | |||
| 1349 | break; | |||
| 1350 | case 4: | |||
| 1351 | pixel = (xwd_header.byte_order == MSBFirst1) | |||
| 1352 | ? ((unsigned long)*image << 24 | | |||
| 1353 | (unsigned long)*(image+1) << 16 | | |||
| 1354 | (unsigned long)*(image+2) << 8 | | |||
| 1355 | *(image+3)) | |||
| 1356 | : (*image | | |||
| 1357 | (unsigned long)*(image+1) << 8 | | |||
| 1358 | (unsigned long)*(image+2) << 16 | | |||
| 1359 | (unsigned long)*(image+3) << 24); | |||
| 1360 | break; | |||
| 1361 | default: | |||
| 1362 | pixel = 0; | |||
| 1363 | break; | |||
| 1364 | } | |||
| 1365 | return (pixel & Z_pixel_mask); | |||
| 1366 | } | |||
| 1367 | ||||
| 1368 | ||||
| 1369 | static | |||
| 1370 | unsigned long XY_image_pixel (int x, int y) | |||
| 1371 | { | |||
| 1372 | int plane_start, line_start, bytes_per_bitmap_unit, bitmap_unit_start, | |||
| 1373 | byte_within_bitmap_unit, offset, byte_mask; | |||
| 1374 | ||||
| 1375 | plane_start = (xwd_header.pixmap_depth - 1) * xwd_header.pixmap_height | |||
| 1376 | * xwd_header.bytes_per_line; | |||
| 1377 | line_start = xwd_header.bytes_per_line * y; | |||
| 1378 | bytes_per_bitmap_unit = xwd_header.bitmap_unit >> 3; | |||
| 1379 | bitmap_unit_start = (x / xwd_header.bitmap_unit) * bytes_per_bitmap_unit; | |||
| 1380 | byte_within_bitmap_unit = (xwd_header.byte_order == MSBFirst1) | |||
| 1381 | ? (x % xwd_header.bitmap_unit) >> 3 | |||
| 1382 | : bytes_per_bitmap_unit - ((x % xwd_header.bitmap_unit) >> 3) - 1; | |||
| 1383 | ||||
| 1384 | offset = plane_start + line_start + bitmap_unit_start | |||
| 1385 | + byte_within_bitmap_unit; | |||
| 1386 | ||||
| 1387 | byte_mask = (xwd_header.bitmap_bit_order == MSBFirst1) | |||
| 1388 | ? 0x80 >> (x % 8) : 0x01 << (x % 8); | |||
| 1389 | ||||
| 1390 | return(xwd_image[offset] & byte_mask ? 1 : 0); | |||
| 1391 | } | |||
| 1392 | ||||
| 1393 | ||||
| 1394 | static | |||
| 1395 | void direct_by_pixel( | |||
| 1396 | FILE *out, | |||
| 1397 | long *line, | |||
| 1398 | int length, | |||
| 1399 | enum device device) | |||
| 1400 | { | |||
| 1401 | int red, green, blue; | |||
| 1402 | long compositeRGB; | |||
| 1403 | ||||
| 1404 | fprintf(out, "\033*b%dW", length * 3); | |||
| 1405 | for (; length>0; length--, line++) { | |||
| 1406 | select_printer_color(*line, &red, &green, &blue, &compositeRGB, device); | |||
| 1407 | fprintf(out, "%c%c%c", (char) red, (char) green, (char) blue); | |||
| 1408 | } | |||
| 1409 | } | |||
| 1410 | ||||
| 1411 | ||||
| 1412 | static | |||
| 1413 | void index_by_pixel( | |||
| 1414 | FILE *out, | |||
| 1415 | long *line, | |||
| 1416 | int length) | |||
| 1417 | { | |||
| 1418 | register int n; | |||
| 1419 | long *lp; | |||
| 1420 | char *line_pixels; | |||
| 1421 | register char *lc; | |||
| 1422 | ||||
| 1423 | if (!(line_pixels = malloc(length))) | |||
| 1424 | fatal_err((catgets(nlmsg_fd,NL_SETN,17,("Could not allocate raster line memory.") | |||
| 1425 | "Could not allocate raster line memory.")("Could not allocate raster line memory."))); | |||
| 1426 | ||||
| 1427 | for (n=0, lc=line_pixels, lp=line; n<length; n++) | |||
| 1428 | *lc++ = (char) *lp++; | |||
| 1429 | ||||
| 1430 | fprintf(out, "\033*b%dW", length); | |||
| 1431 | fwrite(line_pixels, 1, length, out); | |||
| 1432 | ||||
| 1433 | free(line_pixels); | |||
| 1434 | } | |||
| 1435 | ||||
| 1436 | ||||
| 1437 | static | |||
| 1438 | void write_raster_line ( | |||
| 1439 | FILE *out, | |||
| 1440 | int scale, | |||
| 1441 | enum device device, | |||
| 1442 | long *line, | |||
| 1443 | int length) | |||
| 1444 | { | |||
| 1445 | int planes = (device == PJET) ? 4 : 1; | |||
| 1446 | int raster_bytes = (length * scale + 7) / 8; | |||
| 1447 | register int bytebits, n, p, e, bit; | |||
| 1448 | long *lp; | |||
| 1449 | char *line_colors, *raster_line; | |||
| 1450 | register char *lc, *rl, byte = 0; | |||
| 1451 | ||||
| 1452 | if (device == PJETXL) { | |||
| 1453 | if (Direct_or_TrueColor) | |||
| 1454 | direct_by_pixel(out, line, length, device); | |||
| 1455 | else | |||
| 1456 | index_by_pixel(out, line, length); | |||
| 1457 | return; | |||
| 1458 | } | |||
| 1459 | ||||
| 1460 | if (!(line_colors = malloc(length)) | |||
| 1461 | || !(raster_line = malloc(raster_bytes * planes))) | |||
| 1462 | fatal_err((catgets(nlmsg_fd,NL_SETN,17,("Could not allocate raster line memory.") | |||
| 1463 | "Could not allocate raster line memory.")("Could not allocate raster line memory."))); | |||
| 1464 | ||||
| 1465 | if (device == PJET || Direct_or_TrueColor) | |||
| 1466 | download_colors(line, length, device); | |||
| 1467 | ||||
| 1468 | /* Map the line's colors into output color index numbers */ | |||
| 1469 | if (Direct_or_TrueColor) | |||
| 1470 | for (n=0, lc=line_colors, lp=line; n<length; n++) | |||
| 1471 | *lc++ = (char) lookup_color_index(*lp++); | |||
| 1472 | else | |||
| 1473 | for (n=0, lc=line_colors, lp=line; n<length; n++) | |||
| 1474 | *lc++ = (char) colormap[*lp++]; | |||
| 1475 | ||||
| 1476 | for (p=0; p<planes; p++) { | |||
| 1477 | bytebits = 0; | |||
| 1478 | n = length; | |||
| 1479 | lc = line_colors; | |||
| 1480 | rl = &raster_line[raster_bytes * p]; | |||
| 1481 | while (n-- > 0) { | |||
| 1482 | bit = (*lc++ >> p) & 0x01; | |||
| 1483 | e = scale; | |||
| 1484 | while (e--) { | |||
| 1485 | byte = (byte << 1) | bit; | |||
| 1486 | bytebits++; | |||
| 1487 | if (bytebits == 8) { | |||
| 1488 | *rl++ = byte; | |||
| 1489 | bytebits = 0; | |||
| 1490 | } | |||
| 1491 | } | |||
| 1492 | } | |||
| 1493 | if (bytebits) | |||
| 1494 | *rl = byte << (8 - bytebits); | |||
| 1495 | } | |||
| 1496 | ||||
| 1497 | e = scale; | |||
| 1498 | while (e--) { | |||
| 1499 | for (p=0; p<planes; p++) { | |||
| 1500 | fprintf(out,"\033*b%d%c", raster_bytes, (p+1 == planes) ? 'W' : 'V'); | |||
| 1501 | fwrite(&raster_line[raster_bytes * p], 1, raster_bytes, out); | |||
| 1502 | } | |||
| 1503 | } | |||
| 1504 | ||||
| 1505 | free(line_colors); | |||
| 1506 | free(raster_line); | |||
| 1507 | } | |||
| 1508 | ||||
| 1509 | ||||
| 1510 | static | |||
| 1511 | void write_portrait_Z_image ( | |||
| 1512 | FILE *out, | |||
| 1513 | int scale, | |||
| 1514 | enum device device) | |||
| 1515 | { | |||
| 1516 | int x, y; | |||
| 1517 | int width = limit.width; | |||
| 1518 | int height = limit.height; | |||
| 1519 | long *line, *lp; | |||
| 1520 | ||||
| 1521 | if (!(line = (long *) malloc(width * sizeof(long)))) | |||
| 1522 | fatal_err((catgets(nlmsg_fd,NL_SETN,18,("Could not allocate memory for image line buffer.") | |||
| 1523 | "Could not allocate memory for image line buffer.")("Could not allocate memory for image line buffer."))); | |||
| 1524 | ||||
| 1525 | for (y=0; y<height; y++) { | |||
| 1526 | ||||
| 1527 | for (x=0, lp=line; x<width; x++) | |||
| 1528 | *lp++ = Z_image_pixel(x,y); | |||
| 1529 | ||||
| 1530 | write_raster_line(out, scale, device, line, width); | |||
| 1531 | } | |||
| 1532 | } | |||
| 1533 | ||||
| 1534 | ||||
| 1535 | static | |||
| 1536 | void write_landscape_Z_image ( | |||
| 1537 | FILE *out, | |||
| 1538 | int scale, | |||
| 1539 | enum device device) | |||
| 1540 | { | |||
| 1541 | int x, y; | |||
| 1542 | int width = limit.height; | |||
| 1543 | int height = limit.width; | |||
| 1544 | long *line, *lp; | |||
| 1545 | ||||
| 1546 | if (!(line = (long *) malloc(width * sizeof(long)))) | |||
| 1547 | fatal_err((catgets(nlmsg_fd,NL_SETN,19,("Could not allocate memory for image line buffer.") | |||
| 1548 | "Could not allocate memory for image line buffer.")("Could not allocate memory for image line buffer."))); | |||
| 1549 | ||||
| 1550 | for (x=0; x<height; x++) { | |||
| 1551 | ||||
| 1552 | for (y=width-1, lp=line; y>=0; y--) | |||
| 1553 | *lp++ = Z_image_pixel(x,y); | |||
| 1554 | ||||
| 1555 | write_raster_line(out, scale, device, line, width); | |||
| 1556 | } | |||
| 1557 | } | |||
| ||||
| 1558 | ||||
| 1559 | ||||
| 1560 | static | |||
| 1561 | void write_portrait_XY_image ( | |||
| 1562 | FILE *out, | |||
| 1563 | int scale, | |||
| 1564 | enum device device) | |||
| 1565 | { | |||
| 1566 | int x, y; | |||
| 1567 | int width = limit.width; | |||
| 1568 | int height = limit.height; | |||
| 1569 | long *line, *lp; | |||
| 1570 | ||||
| 1571 | if (!(line = (long *) malloc(width * sizeof(long)))) | |||
| 1572 | fatal_err((catgets(nlmsg_fd,NL_SETN,20,("Could not allocate memory for image line buffer.") | |||
| 1573 | "Could not allocate memory for image line buffer.")("Could not allocate memory for image line buffer."))); | |||
| 1574 | ||||
| 1575 | for (y=0; y<height; y++) { | |||
| 1576 | ||||
| 1577 | for (x=0, lp=line; x<width; x++) | |||
| 1578 | *lp++ = XY_image_pixel(x,y); | |||
| 1579 | ||||
| 1580 | write_raster_line(out, scale, device, line, width); | |||
| 1581 | } | |||
| 1582 | } | |||
| 1583 | ||||
| 1584 | ||||
| 1585 | static | |||
| 1586 | void write_landscape_XY_image ( | |||
| 1587 | FILE *out, | |||
| 1588 | int scale, | |||
| 1589 | enum device device) | |||
| 1590 | { | |||
| 1591 | int x, y; | |||
| 1592 | int width = limit.height; | |||
| 1593 | int height = limit.width; | |||
| 1594 | long *line, *lp; | |||
| 1595 | ||||
| 1596 | if (!(line = (long *) malloc(width * sizeof(long)))) | |||
| 1597 | fatal_err((catgets(nlmsg_fd,NL_SETN,21,("Could not allocate memory for image line buffer.") | |||
| 1598 | "Could not allocate memory for image line buffer.")("Could not allocate memory for image line buffer."))); | |||
| 1599 | ||||
| 1600 | for (x=0; x<height; x++) { | |||
| 1601 | ||||
| 1602 | for (y=width-1, lp=line; y>=0; y--) | |||
| 1603 | *lp++ = XY_image_pixel(x,y); | |||
| 1604 | ||||
| 1605 | write_raster_line(out, scale, device, line, width); | |||
| 1606 | } | |||
| 1607 | } | |||
| 1608 | ||||
| 1609 | ||||
| 1610 | static | |||
| 1611 | void write_Z_image ( | |||
| 1612 | FILE *out, | |||
| 1613 | int scale, | |||
| 1614 | enum orientation orient, | |||
| 1615 | enum device device) | |||
| 1616 | { | |||
| 1617 | if (orient == PORTRAIT) { | |||
| 1618 | write_portrait_Z_image(out, scale, device); | |||
| 1619 | } else | |||
| 1620 | write_landscape_Z_image(out, scale, device); | |||
| 1621 | } | |||
| 1622 | ||||
| 1623 | ||||
| 1624 | static | |||
| 1625 | void write_XY_image ( | |||
| 1626 | FILE *out, | |||
| 1627 | int scale, | |||
| 1628 | enum orientation orient, | |||
| 1629 | enum device device) | |||
| 1630 | { | |||
| 1631 | if (xwd_header.pixmap_depth > 1) | |||
| 1632 | fatal_err((catgets(nlmsg_fd,NL_SETN,22,("XY format image, multiplane images must be Z format.") | |||
| 1633 | "XY format image, multiplane images must be Z format.")("XY format image, multiplane images must be Z format."))); | |||
| 1634 | ||||
| 1635 | if (orient == PORTRAIT) { | |||
| 1636 | write_portrait_XY_image(out, scale, device); | |||
| 1637 | } else | |||
| 1638 | write_landscape_XY_image(out, scale, device); | |||
| 1639 | } | |||
| 1640 | ||||
| 1641 | ||||
| 1642 | static | |||
| 1643 | void write_image ( | |||
| 1644 | FILE *out, | |||
| 1645 | int scale, | |||
| 1646 | enum orientation orient, | |||
| 1647 | enum device device) | |||
| 1648 | { | |||
| 1649 | switch (xwd_header.pixmap_format) { | |||
| 1650 | case XYPixmap1: | |||
| 1651 | write_XY_image(out, scale, orient, device); break; | |||
| 1652 | case ZPixmap2: | |||
| 1653 | write_Z_image(out, scale, orient, device); break; | |||
| 1654 | default: | |||
| 1655 | fatal_err((catgets(nlmsg_fd,NL_SETN,23, "image not in XY or Z format.")("image not in XY or Z format."))); | |||
| 1656 | } | |||
| 1657 | } | |||
| 1658 | ||||
| 1659 | ||||
| 1660 | void x2jet( | |||
| 1661 | FILE *in, FILE *out, | |||
| 1662 | int scale, int density, | |||
| 1663 | int width, int height, int left, int top, /* in 300ths of an inch */ | |||
| 1664 | const char *header, const char *trailer, | |||
| 1665 | enum orientation orient, | |||
| 1666 | int invert, int initial_formfeed, int position_on_page, int slide, | |||
| 1667 | enum device device, | |||
| 1668 | unsigned int cutoff, | |||
| 1669 | float gamma, | |||
| 1670 | int render) | |||
| 1671 | { | |||
| 1672 | int paintjet = FALSE0; | |||
| 1673 | ||||
| 1674 | true_scale = scale; | |||
| 1675 | ||||
| 1676 | if (device != LJET) | |||
| ||||
| 1677 | paintjet = TRUE1; | |||
| 1678 | ||||
| 1679 | read_xwd_data(in); | |||
| 1680 | ||||
| 1681 | Z_pixel_mask = ~(0xFFFFFFFFUL << xwd_header.pixmap_depth); | |||
| 1682 | ||||
| 1683 | prepare_color_mapping(invert, paintjet, cutoff, out); | |||
| 1684 | ||||
| 1685 | scale_and_orient_image(&scale, &density, width, height, left, top, | |||
| 1686 | header, trailer, | |||
| 1687 | &orient, position_on_page, device); | |||
| 1688 | ||||
| 1689 | write_image_prefix(out, scale, density, header, device, position_on_page, | |||
| 1690 | initial_formfeed, orient, gamma, render, slide); | |||
| 1691 | ||||
| 1692 | write_image(out, scale, orient, device); | |||
| 1693 | ||||
| 1694 | write_image_suffix(out, trailer, position_on_page, slide, render, device); | |||
| 1695 | ||||
| 1696 | fclose(out); | |||
| 1697 | } | |||
| 1698 | ||||
| 1699 | static | |||
| 1700 | void fatal_err (const char *s, ...) | |||
| 1701 | { | |||
| 1702 | va_list ap; | |||
| 1703 | ||||
| 1704 | fprintf(stderr__stderrp, "%s: ", progname); | |||
| 1705 | va_start(ap, s)__builtin_va_start(ap, s); | |||
| 1706 | vfprintf(stderr__stderrp, s, ap); | |||
| 1707 | va_end(ap)__builtin_va_end(ap); | |||
| 1708 | fputc('\n', stderr__stderrp); | |||
| 1709 | exit(EXIT_FAILURE1); | |||
| 1710 | } | |||
| 1711 |