File: | x2jet.c |
Location: | line 751, column 25 |
Description: | The left operand of '<<' is a garbage value |
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 |