| 2 |
- |
1 |
/* Copyright (C) 2000-2003, Ghostgum Software Pty Ltd. All rights reserved.
|
|
|
2 |
|
|
|
3 |
This software is provided AS-IS with no warranty, either express or
|
|
|
4 |
implied.
|
|
|
5 |
|
|
|
6 |
This software is distributed under license and may not be copied,
|
|
|
7 |
modified or distributed except as expressly authorized under the terms
|
|
|
8 |
of the license contained in the file LICENSE in this distribution.
|
|
|
9 |
|
|
|
10 |
For more information about licensing, please refer to
|
|
|
11 |
http://www.ghostscript.com/licensing/. For information on
|
|
|
12 |
commercial licensing, go to http://www.artifex.com/licensing/ or
|
|
|
13 |
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
|
|
|
14 |
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
|
|
|
15 |
*/
|
|
|
16 |
|
|
|
17 |
/* $Id: dscparse.c,v 1.14 2003/09/13 02:04:15 ghostgum Exp $ */
|
|
|
18 |
|
|
|
19 |
/*
|
|
|
20 |
* This is a DSC parser, based on the DSC 3.0 spec,
|
|
|
21 |
* with a few DSC 2.1 additions for page size.
|
|
|
22 |
*
|
|
|
23 |
* Current limitations:
|
|
|
24 |
* %%+ may be used after any comment in the comment or trailer,
|
|
|
25 |
* but is currently only supported by
|
|
|
26 |
* %%DocumentMedia
|
|
|
27 |
*
|
|
|
28 |
* DSC 2.1 additions (discontinued in DSC 3.0):
|
|
|
29 |
* %%DocumentPaperColors:
|
|
|
30 |
* %%DocumentPaperForms:
|
|
|
31 |
* %%DocumentPaperSizes:
|
|
|
32 |
* %%DocumentPaperWeights:
|
|
|
33 |
* %%PaperColor: (ignored)
|
|
|
34 |
* %%PaperForm: (ignored)
|
|
|
35 |
* %%PaperSize:
|
|
|
36 |
* %%PaperWeight: (ignored)
|
|
|
37 |
*
|
|
|
38 |
* Other additions for defaults or page section
|
|
|
39 |
% %%ViewingOrientation: xx xy yx yy
|
|
|
40 |
*/
|
|
|
41 |
|
|
|
42 |
#include <stdio.h> /* for sprintf(), not file I/O */
|
|
|
43 |
#include <stdlib.h>
|
|
|
44 |
#include <string.h>
|
|
|
45 |
#include <ctype.h>
|
|
|
46 |
|
|
|
47 |
#define MAXSTR 256
|
|
|
48 |
|
|
|
49 |
#include "dscparse.h"
|
|
|
50 |
|
|
|
51 |
/* Macros for comparing string literals
|
|
|
52 |
* For maximum speed, the length of the second macro argument is
|
|
|
53 |
* computed at compile time.
|
|
|
54 |
* THE SECOND MACRO ARGUMENT MUST BE A STRING LITERAL.
|
|
|
55 |
*/
|
|
|
56 |
#define COMPARE(p,str) (strncmp((const char *)(p), (str), sizeof(str)-1)==0)
|
|
|
57 |
#define IS_DSC(line, str) (COMPARE((line), (str)))
|
|
|
58 |
|
|
|
59 |
/* Macros for comparing the first one or two characters */
|
|
|
60 |
#define IS_WHITE(ch) (((ch)==' ') || ((ch)=='\t'))
|
|
|
61 |
#define IS_EOL(ch) (((ch)=='\r') || ((ch)=='\n'))
|
|
|
62 |
#define IS_WHITE_OR_EOL(ch) (IS_WHITE(ch) || IS_EOL(ch))
|
|
|
63 |
#define IS_BLANK(str) (IS_EOL(str[0]))
|
|
|
64 |
#define NOT_DSC_LINE(str) (((str)[0]!='%') || ((str)[1]!='%'))
|
|
|
65 |
|
|
|
66 |
/* Macros for document offset to start and end of line */
|
|
|
67 |
#define DSC_START(dsc) ((dsc)->data_offset + (dsc)->data_index - (dsc)->line_length)
|
|
|
68 |
#define DSC_END(dsc) ((dsc)->data_offset + (dsc)->data_index)
|
|
|
69 |
|
|
|
70 |
/* dsc_scan_SECTION() functions return one of
|
|
|
71 |
* CDSC_ERROR, CDSC_OK, CDSC_NOTDSC
|
|
|
72 |
* or one of the following
|
|
|
73 |
*/
|
|
|
74 |
/* The line should be passed on to the next section parser. */
|
|
|
75 |
#define CDSC_PROPAGATE 10
|
|
|
76 |
|
|
|
77 |
/* If document is DOS EPS and we haven't read 30 bytes, ask for more. */
|
|
|
78 |
#define CDSC_NEEDMORE 11
|
|
|
79 |
|
|
|
80 |
/* local prototypes */
|
|
|
81 |
dsc_private void * dsc_memalloc(CDSC *dsc, size_t size);
|
|
|
82 |
dsc_private void dsc_memfree(CDSC*dsc, void *ptr);
|
|
|
83 |
dsc_private CDSC * dsc_init2(CDSC *dsc);
|
|
|
84 |
dsc_private void dsc_reset(CDSC *dsc);
|
|
|
85 |
dsc_private void dsc_section_join(DSC_OFFSET begin, DSC_OFFSET *pend, DSC_OFFSET **pplast);
|
|
|
86 |
dsc_private int dsc_read_line(CDSC *dsc);
|
|
|
87 |
dsc_private int dsc_read_doseps(CDSC *dsc);
|
|
|
88 |
dsc_private int dsc_read_macbin(CDSC *dsc);
|
|
|
89 |
dsc_private int dsc_read_applesingle(CDSC *dsc);
|
|
|
90 |
dsc_private char * dsc_alloc_string(CDSC *dsc, const char *str, int len);
|
|
|
91 |
dsc_private char * dsc_add_line(CDSC *dsc, const char *line, unsigned int len);
|
|
|
92 |
dsc_private char * dsc_copy_string(char *str, unsigned int slen,
|
|
|
93 |
char *line, unsigned int len, unsigned int *offset);
|
|
|
94 |
dsc_private GSDWORD dsc_get_dword(const unsigned char *buf);
|
|
|
95 |
dsc_private GSWORD dsc_get_word(const unsigned char *buf);
|
|
|
96 |
dsc_private GSDWORD dsc_get_bigendian_dword(const unsigned char *buf);
|
|
|
97 |
dsc_private GSWORD dsc_get_bigendian_word(const unsigned char *buf);
|
|
|
98 |
dsc_private int dsc_get_int(const char *line, unsigned int len, unsigned int *offset);
|
|
|
99 |
dsc_private float dsc_get_real(const char *line, unsigned int len,
|
|
|
100 |
unsigned int *offset);
|
|
|
101 |
dsc_private void dsc_unknown(CDSC *dsc);
|
|
|
102 |
dsc_private GSBOOL dsc_is_section(char *line);
|
|
|
103 |
dsc_private int dsc_parse_pages(CDSC *dsc);
|
|
|
104 |
dsc_private int dsc_parse_bounding_box(CDSC *dsc, CDSCBBOX** pbbox, int offset);
|
|
|
105 |
dsc_private int dsc_parse_float_bounding_box(CDSC *dsc, CDSCFBBOX** pfbbox, int offset);
|
|
|
106 |
dsc_private int dsc_parse_orientation(CDSC *dsc, unsigned int *porientation,
|
|
|
107 |
int offset);
|
|
|
108 |
dsc_private int dsc_parse_order(CDSC *dsc);
|
|
|
109 |
dsc_private int dsc_parse_media(CDSC *dsc, const CDSCMEDIA **page_media);
|
|
|
110 |
dsc_private int dsc_parse_document_media(CDSC *dsc);
|
|
|
111 |
dsc_private int dsc_parse_viewing_orientation(CDSC *dsc, CDSCCTM **pctm);
|
|
|
112 |
dsc_private int dsc_parse_page(CDSC *dsc);
|
|
|
113 |
dsc_private void dsc_save_line(CDSC *dsc);
|
|
|
114 |
dsc_private int dsc_scan_type(CDSC *dsc);
|
|
|
115 |
dsc_private int dsc_scan_comments(CDSC *dsc);
|
|
|
116 |
dsc_private int dsc_scan_preview(CDSC *dsc);
|
|
|
117 |
dsc_private int dsc_scan_defaults(CDSC *dsc);
|
|
|
118 |
dsc_private int dsc_scan_prolog(CDSC *dsc);
|
|
|
119 |
dsc_private int dsc_scan_setup(CDSC *dsc);
|
|
|
120 |
dsc_private int dsc_scan_page(CDSC *dsc);
|
|
|
121 |
dsc_private int dsc_scan_trailer(CDSC *dsc);
|
|
|
122 |
dsc_private int dsc_error(CDSC *dsc, unsigned int explanation,
|
|
|
123 |
char *line, unsigned int line_len);
|
|
|
124 |
dsc_private int dsc_dcs2_fixup(CDSC *dsc);
|
|
|
125 |
dsc_private int dsc_parse_platefile(CDSC *dsc);
|
|
|
126 |
dsc_private int dsc_parse_dcs1plate(CDSC *dsc);
|
|
|
127 |
dsc_private CDSCCOLOUR * dsc_find_colour(CDSC *dsc, const char *colourname);
|
|
|
128 |
dsc_private int dsc_parse_process_colours(CDSC *dsc);
|
|
|
129 |
dsc_private int dsc_parse_custom_colours(CDSC *dsc);
|
|
|
130 |
dsc_private int dsc_parse_cmyk_custom_colour(CDSC *dsc);
|
|
|
131 |
dsc_private int dsc_parse_rgb_custom_colour(CDSC *dsc);
|
|
|
132 |
|
|
|
133 |
/* DSC error reporting */
|
|
|
134 |
dsc_private const int dsc_severity[] = {
|
|
|
135 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_BBOX */
|
|
|
136 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_EARLY_TRAILER */
|
|
|
137 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_EARLY_EOF */
|
|
|
138 |
CDSC_ERROR_ERROR, /* CDSC_MESSAGE_PAGE_IN_TRAILER */
|
|
|
139 |
CDSC_ERROR_ERROR, /* CDSC_MESSAGE_PAGE_ORDINAL */
|
|
|
140 |
CDSC_ERROR_ERROR, /* CDSC_MESSAGE_PAGES_WRONG */
|
|
|
141 |
CDSC_ERROR_ERROR, /* CDSC_MESSAGE_EPS_NO_BBOX */
|
|
|
142 |
CDSC_ERROR_ERROR, /* CDSC_MESSAGE_EPS_PAGES */
|
|
|
143 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_NO_MEDIA */
|
|
|
144 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_ATEND */
|
|
|
145 |
CDSC_ERROR_INFORM, /* CDSC_MESSAGE_DUP_COMMENT */
|
|
|
146 |
CDSC_ERROR_INFORM, /* CDSC_MESSAGE_DUP_TRAILER */
|
|
|
147 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_BEGIN_END */
|
|
|
148 |
CDSC_ERROR_INFORM, /* CDSC_MESSAGE_BAD_SECTION */
|
|
|
149 |
CDSC_ERROR_INFORM, /* CDSC_MESSAGE_LONG_LINE */
|
|
|
150 |
CDSC_ERROR_WARN, /* CDSC_MESSAGE_INCORRECT_USAGE */
|
|
|
151 |
|
|
|
152 |
};
|
|
|
153 |
|
|
|
154 |
#define DSC_MAX_ERROR ((sizeof(dsc_severity) / sizeof(int))-2)
|
|
|
155 |
|
|
|
156 |
const CDSCMEDIA dsc_known_media[CDSC_KNOWN_MEDIA] = {
|
|
|
157 |
/* These sizes taken from Ghostscript gs_statd.ps */
|
|
|
158 |
{"11x17", 792, 1224, 0, NULL, NULL},
|
|
|
159 |
{"A3", 842, 1190, 0, NULL, NULL},
|
|
|
160 |
{"A4", 595, 842, 0, NULL, NULL},
|
|
|
161 |
{"A5", 421, 595, 0, NULL, NULL},
|
|
|
162 |
{"B4", 709, 1002, 0, NULL, NULL}, /* ISO, but not Adobe standard */
|
|
|
163 |
{"B5", 501, 709, 0, NULL, NULL}, /* ISO, but not Adobe standard */
|
|
|
164 |
{"Ledger", 1224, 792, 0, NULL, NULL},
|
|
|
165 |
{"Legal", 612, 1008, 0, NULL, NULL},
|
|
|
166 |
{"Letter", 612, 792, 0, NULL, NULL},
|
|
|
167 |
{"Note", 612, 792, 0, NULL, NULL},
|
|
|
168 |
{NULL, 0, 0, 0, NULL, NULL}
|
|
|
169 |
};
|
|
|
170 |
|
|
|
171 |
/* parser state */
|
|
|
172 |
enum CDSC_SCAN_SECTION {
|
|
|
173 |
scan_none = 0,
|
|
|
174 |
scan_comments = 1,
|
|
|
175 |
scan_pre_preview = 2,
|
|
|
176 |
scan_preview = 3,
|
|
|
177 |
scan_pre_defaults = 4,
|
|
|
178 |
scan_defaults = 5,
|
|
|
179 |
scan_pre_prolog = 6,
|
|
|
180 |
scan_prolog = 7,
|
|
|
181 |
scan_pre_setup = 8,
|
|
|
182 |
scan_setup = 9,
|
|
|
183 |
scan_pre_pages = 10,
|
|
|
184 |
scan_pages = 11,
|
|
|
185 |
scan_pre_trailer = 12,
|
|
|
186 |
scan_trailer = 13,
|
|
|
187 |
scan_eof = 14
|
|
|
188 |
};
|
|
|
189 |
|
|
|
190 |
static const char * const dsc_scan_section_name[15] = {
|
|
|
191 |
"Type", "Comments",
|
|
|
192 |
"pre-Preview", "Preview",
|
|
|
193 |
"pre-Defaults", "Defaults",
|
|
|
194 |
"pre-Prolog", "Prolog",
|
|
|
195 |
"pre-Setup", "Setup",
|
|
|
196 |
"pre-Page", "Page",
|
|
|
197 |
"pre-Trailer", "Trailer",
|
|
|
198 |
"EOF"
|
|
|
199 |
};
|
|
|
200 |
|
|
|
201 |
|
|
|
202 |
/******************************************************************/
|
|
|
203 |
/* Public functions */
|
|
|
204 |
/******************************************************************/
|
|
|
205 |
|
|
|
206 |
/* constructor */
|
|
|
207 |
CDSC *
|
|
|
208 |
dsc_init(void *caller_data)
|
|
|
209 |
{
|
|
|
210 |
CDSC *dsc = (CDSC *)malloc(sizeof(CDSC));
|
|
|
211 |
if (dsc == NULL)
|
|
|
212 |
return NULL;
|
|
|
213 |
memset(dsc, 0, sizeof(CDSC));
|
|
|
214 |
dsc->caller_data = caller_data;
|
|
|
215 |
dsc->ref_count = 0;
|
|
|
216 |
dsc_ref(dsc);
|
|
|
217 |
|
|
|
218 |
return dsc_init2(dsc);
|
|
|
219 |
}
|
|
|
220 |
|
|
|
221 |
/* constructor, with caller supplied memalloc */
|
|
|
222 |
CDSC *
|
|
|
223 |
dsc_init_with_alloc(
|
|
|
224 |
void *caller_data,
|
|
|
225 |
void *(*memalloc)(size_t size, void *closure_data),
|
|
|
226 |
void (*memfree)(void *ptr, void *closure_data),
|
|
|
227 |
void *closure_data)
|
|
|
228 |
{
|
|
|
229 |
CDSC *dsc = (CDSC *)memalloc(sizeof(CDSC), closure_data);
|
|
|
230 |
if (dsc == NULL)
|
|
|
231 |
return NULL;
|
|
|
232 |
memset(dsc, 0, sizeof(CDSC));
|
|
|
233 |
dsc->caller_data = caller_data;
|
|
|
234 |
|
|
|
235 |
dsc->memalloc = memalloc;
|
|
|
236 |
dsc->memfree = memfree;
|
|
|
237 |
dsc->mem_closure_data = closure_data;
|
|
|
238 |
dsc->ref_count = 0;
|
|
|
239 |
dsc_ref(dsc);
|
|
|
240 |
|
|
|
241 |
return dsc_init2(dsc);
|
|
|
242 |
}
|
|
|
243 |
|
|
|
244 |
|
|
|
245 |
|
|
|
246 |
/* destructor */
|
|
|
247 |
void
|
|
|
248 |
dsc_free(CDSC *dsc)
|
|
|
249 |
{
|
|
|
250 |
if (dsc == NULL)
|
|
|
251 |
return;
|
|
|
252 |
dsc_reset(dsc);
|
|
|
253 |
dsc_memfree(dsc, dsc);
|
|
|
254 |
}
|
|
|
255 |
|
|
|
256 |
|
|
|
257 |
CDSC *
|
|
|
258 |
dsc_new(void *caller_data)
|
|
|
259 |
{
|
|
|
260 |
return dsc_init(caller_data);
|
|
|
261 |
}
|
|
|
262 |
|
|
|
263 |
int
|
|
|
264 |
dsc_ref(CDSC *dsc)
|
|
|
265 |
{
|
|
|
266 |
return ++(dsc->ref_count);
|
|
|
267 |
}
|
|
|
268 |
|
|
|
269 |
int
|
|
|
270 |
dsc_unref(CDSC *dsc)
|
|
|
271 |
{
|
|
|
272 |
if (dsc->ref_count <= 0)
|
|
|
273 |
return -1;
|
|
|
274 |
dsc->ref_count--;
|
|
|
275 |
if (dsc->ref_count == 0) {
|
|
|
276 |
dsc_free(dsc);
|
|
|
277 |
return 0;
|
|
|
278 |
}
|
|
|
279 |
return dsc->ref_count;
|
|
|
280 |
}
|
|
|
281 |
|
|
|
282 |
|
|
|
283 |
/* Tell DSC parser how long document will be, to allow ignoring
|
|
|
284 |
* of early %%Trailer and %%EOF. This is optional.
|
|
|
285 |
*/
|
|
|
286 |
void
|
|
|
287 |
dsc_set_length(CDSC *dsc, DSC_OFFSET len)
|
|
|
288 |
{
|
|
|
289 |
dsc->file_length = len;
|
|
|
290 |
}
|
|
|
291 |
|
|
|
292 |
/* Process a buffer containing DSC comments and PostScript */
|
|
|
293 |
/* Return value is < 0 for error, >=0 for OK.
|
|
|
294 |
* CDSC_ERROR
|
|
|
295 |
* CDSC_OK
|
|
|
296 |
* CDSC_NOTDSC (DSC will be ignored)
|
|
|
297 |
* other values indicate the last DSC comment read
|
|
|
298 |
*/
|
|
|
299 |
int
|
|
|
300 |
dsc_scan_data(CDSC *dsc, const char *data, int length)
|
|
|
301 |
{
|
|
|
302 |
int bytes_read;
|
|
|
303 |
int code = 0;
|
|
|
304 |
|
|
|
305 |
if (dsc == NULL)
|
|
|
306 |
return CDSC_ERROR;
|
|
|
307 |
|
|
|
308 |
if (dsc->id == CDSC_NOTDSC)
|
|
|
309 |
return CDSC_NOTDSC;
|
|
|
310 |
dsc->id = CDSC_OK;
|
|
|
311 |
if (dsc->eof)
|
|
|
312 |
return CDSC_OK; /* ignore */
|
|
|
313 |
|
|
|
314 |
if (length == 0) {
|
|
|
315 |
/* EOF, so process what remains */
|
|
|
316 |
dsc->eof = TRUE;
|
|
|
317 |
}
|
|
|
318 |
|
|
|
319 |
do {
|
|
|
320 |
if (dsc->id == CDSC_NOTDSC)
|
|
|
321 |
break;
|
|
|
322 |
|
|
|
323 |
if (length != 0) {
|
|
|
324 |
/* move existing data if needed */
|
|
|
325 |
if (dsc->data_length > CDSC_DATA_LENGTH/2) {
|
|
|
326 |
memmove(dsc->data, dsc->data + dsc->data_index,
|
|
|
327 |
dsc->data_length - dsc->data_index);
|
|
|
328 |
dsc->data_offset += dsc->data_index;
|
|
|
329 |
dsc->data_length -= dsc->data_index;
|
|
|
330 |
dsc->data_index = 0;
|
|
|
331 |
}
|
|
|
332 |
/* append to buffer */
|
|
|
333 |
bytes_read = min(length, (int)(CDSC_DATA_LENGTH - dsc->data_length));
|
|
|
334 |
memcpy(dsc->data + dsc->data_length, data, bytes_read);
|
|
|
335 |
dsc->data_length += bytes_read;
|
|
|
336 |
data += bytes_read;
|
|
|
337 |
length -= bytes_read;
|
|
|
338 |
}
|
|
|
339 |
if (dsc->scan_section == scan_none) {
|
|
|
340 |
code = dsc_scan_type(dsc);
|
|
|
341 |
if (code == CDSC_NEEDMORE) {
|
|
|
342 |
/* need more characters before we can identify type */
|
|
|
343 |
code = CDSC_OK;
|
|
|
344 |
break;
|
|
|
345 |
}
|
|
|
346 |
dsc->id = code;
|
|
|
347 |
}
|
|
|
348 |
|
|
|
349 |
if (code == CDSC_NOTDSC) {
|
|
|
350 |
dsc->id = CDSC_NOTDSC;
|
|
|
351 |
break;
|
|
|
352 |
}
|
|
|
353 |
|
|
|
354 |
while ((code = dsc_read_line(dsc)) > 0) {
|
|
|
355 |
if (dsc->id == CDSC_NOTDSC)
|
|
|
356 |
break;
|
|
|
357 |
if (dsc->file_length &&
|
|
|
358 |
(dsc->data_offset + dsc->data_index > dsc->file_length)) {
|
|
|
359 |
/* have read past end of where we need to parse. */
|
|
|
360 |
return CDSC_OK; /* ignore */
|
|
|
361 |
}
|
|
|
362 |
if (dsc->doseps_end &&
|
|
|
363 |
(dsc->data_offset + dsc->data_index > dsc->doseps_end)) {
|
|
|
364 |
/* have read past end of DOS EPS or Mac Binary
|
|
|
365 |
* PostScript section
|
|
|
366 |
*/
|
|
|
367 |
return CDSC_OK; /* ignore */
|
|
|
368 |
}
|
|
|
369 |
if (dsc->eof)
|
|
|
370 |
return CDSC_OK;
|
|
|
371 |
if (dsc->skip_document)
|
|
|
372 |
continue; /* embedded document */
|
|
|
373 |
if (dsc->skip_lines)
|
|
|
374 |
continue; /* embedded lines */
|
|
|
375 |
if (IS_DSC(dsc->line, "%%BeginData:"))
|
|
|
376 |
continue;
|
|
|
377 |
if (IS_DSC(dsc->line, "%%BeginBinary:"))
|
|
|
378 |
continue;
|
|
|
379 |
if (IS_DSC(dsc->line, "%%EndDocument"))
|
|
|
380 |
continue;
|
|
|
381 |
if (IS_DSC(dsc->line, "%%EndData"))
|
|
|
382 |
continue;
|
|
|
383 |
if (IS_DSC(dsc->line, "%%EndBinary"))
|
|
|
384 |
continue;
|
|
|
385 |
|
|
|
386 |
do {
|
|
|
387 |
switch (dsc->scan_section) {
|
|
|
388 |
case scan_comments:
|
|
|
389 |
code = dsc_scan_comments(dsc);
|
|
|
390 |
break;
|
|
|
391 |
case scan_pre_preview:
|
|
|
392 |
case scan_preview:
|
|
|
393 |
code = dsc_scan_preview(dsc);
|
|
|
394 |
break;
|
|
|
395 |
case scan_pre_defaults:
|
|
|
396 |
case scan_defaults:
|
|
|
397 |
code = dsc_scan_defaults(dsc);
|
|
|
398 |
break;
|
|
|
399 |
case scan_pre_prolog:
|
|
|
400 |
case scan_prolog:
|
|
|
401 |
code = dsc_scan_prolog(dsc);
|
|
|
402 |
break;
|
|
|
403 |
case scan_pre_setup:
|
|
|
404 |
case scan_setup:
|
|
|
405 |
code = dsc_scan_setup(dsc);
|
|
|
406 |
break;
|
|
|
407 |
case scan_pre_pages:
|
|
|
408 |
case scan_pages:
|
|
|
409 |
code = dsc_scan_page(dsc);
|
|
|
410 |
break;
|
|
|
411 |
case scan_pre_trailer:
|
|
|
412 |
case scan_trailer:
|
|
|
413 |
code = dsc_scan_trailer(dsc);
|
|
|
414 |
break;
|
|
|
415 |
case scan_eof:
|
|
|
416 |
code = CDSC_OK;
|
|
|
417 |
break;
|
|
|
418 |
default:
|
|
|
419 |
/* invalid state */
|
|
|
420 |
code = CDSC_ERROR;
|
|
|
421 |
}
|
|
|
422 |
/* repeat if line is start of next section */
|
|
|
423 |
} while (code == CDSC_PROPAGATE);
|
|
|
424 |
|
|
|
425 |
/* if DOS EPS header not complete, ask for more */
|
|
|
426 |
if (code == CDSC_NEEDMORE) {
|
|
|
427 |
code = CDSC_OK;
|
|
|
428 |
break;
|
|
|
429 |
}
|
|
|
430 |
if (code == CDSC_NOTDSC) {
|
|
|
431 |
dsc->id = CDSC_NOTDSC;
|
|
|
432 |
break;
|
|
|
433 |
}
|
|
|
434 |
}
|
|
|
435 |
} while (length != 0);
|
|
|
436 |
|
|
|
437 |
return (code < 0) ? code : dsc->id;
|
|
|
438 |
}
|
|
|
439 |
|
|
|
440 |
/* Tidy up from incorrect DSC comments */
|
|
|
441 |
int
|
|
|
442 |
dsc_fixup(CDSC *dsc)
|
|
|
443 |
{
|
|
|
444 |
unsigned int i;
|
|
|
445 |
char buf[32];
|
|
|
446 |
DSC_OFFSET *last;
|
|
|
447 |
|
|
|
448 |
if (dsc->id == CDSC_NOTDSC)
|
|
|
449 |
return 0;
|
|
|
450 |
|
|
|
451 |
/* flush last partial line */
|
|
|
452 |
dsc_scan_data(dsc, NULL, 0);
|
|
|
453 |
|
|
|
454 |
|
|
|
455 |
/* Fix DSC error: EOF before end of %%BeginData */
|
|
|
456 |
if (dsc->eof &&
|
|
|
457 |
(dsc->skip_lines || dsc->skip_bytes || dsc->skip_document)) {
|
|
|
458 |
switch (dsc->scan_section) {
|
|
|
459 |
case scan_comments:
|
|
|
460 |
dsc->endcomments = DSC_END(dsc);
|
|
|
461 |
break;
|
|
|
462 |
case scan_preview:
|
|
|
463 |
dsc->endpreview = DSC_END(dsc);
|
|
|
464 |
break;
|
|
|
465 |
case scan_defaults:
|
|
|
466 |
dsc->enddefaults = DSC_END(dsc);
|
|
|
467 |
break;
|
|
|
468 |
case scan_prolog:
|
|
|
469 |
dsc->endprolog = DSC_END(dsc);
|
|
|
470 |
break;
|
|
|
471 |
case scan_setup:
|
|
|
472 |
dsc->endsetup = DSC_END(dsc);
|
|
|
473 |
break;
|
|
|
474 |
case scan_pages:
|
|
|
475 |
if (dsc->page_count)
|
|
|
476 |
dsc->page[dsc->page_count-1].end = DSC_END(dsc);
|
|
|
477 |
break;
|
|
|
478 |
case scan_trailer:
|
|
|
479 |
case scan_eof:
|
|
|
480 |
dsc->endtrailer = DSC_END(dsc);
|
|
|
481 |
break;
|
|
|
482 |
}
|
|
|
483 |
}
|
|
|
484 |
|
|
|
485 |
/* Fix DSC error: code between %%EndSetup and %%Page */
|
|
|
486 |
if (dsc->page_count && (dsc->page[0].begin != dsc->endsetup)
|
|
|
487 |
&& (dsc->endsetup != dsc->beginsetup)) {
|
|
|
488 |
dsc->endsetup = dsc->page[0].begin;
|
|
|
489 |
dsc_debug_print(dsc, "Warning: code included between setup and first page\n");
|
|
|
490 |
}
|
|
|
491 |
|
|
|
492 |
/* Last page contained a false trailer, */
|
|
|
493 |
/* so extend last page to start of trailer */
|
|
|
494 |
if (dsc->page_count && (dsc->begintrailer != 0) &&
|
|
|
495 |
(dsc->page[dsc->page_count-1].end != dsc->begintrailer)) {
|
|
|
496 |
dsc_debug_print(dsc, "Ignoring earlier misplaced trailer\n");
|
|
|
497 |
dsc_debug_print(dsc, "and extending last page to start of trailer\n");
|
|
|
498 |
dsc->page[dsc->page_count-1].end = dsc->begintrailer;
|
|
|
499 |
}
|
|
|
500 |
|
|
|
501 |
/*
|
|
|
502 |
* Join up all sections.
|
|
|
503 |
* There might be extra code between them, or we might have
|
|
|
504 |
* missed including the \n which followed \r.
|
|
|
505 |
*/
|
|
|
506 |
last = &dsc->endcomments;
|
|
|
507 |
dsc_section_join(dsc->beginpreview, &dsc->endpreview, &last);
|
|
|
508 |
dsc_section_join(dsc->begindefaults, &dsc->enddefaults, &last);
|
|
|
509 |
dsc_section_join(dsc->beginprolog, &dsc->endprolog, &last);
|
|
|
510 |
dsc_section_join(dsc->beginsetup, &dsc->endsetup, &last);
|
|
|
511 |
for (i=0; i<dsc->page_count; i++)
|
|
|
512 |
dsc_section_join(dsc->page[i].begin, &dsc->page[i].end, &last);
|
|
|
513 |
if (dsc->begintrailer)
|
|
|
514 |
*last = dsc->begintrailer;
|
|
|
515 |
|
|
|
516 |
if ((dsc->page_pages == 0) && (dsc->page_count == 1)) {
|
|
|
517 |
/* don't flag an error if %%Pages absent but one %%Page found */
|
|
|
518 |
/* adjust incorrect page count */
|
|
|
519 |
dsc->page_pages = dsc->page_count;
|
|
|
520 |
}
|
|
|
521 |
|
|
|
522 |
/* Warnings and Errors that we can now identify */
|
|
|
523 |
if ((dsc->page_count != dsc->page_pages)) {
|
|
|
524 |
int rc = dsc_error(dsc, CDSC_MESSAGE_PAGES_WRONG, NULL, 0);
|
|
|
525 |
switch (rc) {
|
|
|
526 |
case CDSC_RESPONSE_OK:
|
|
|
527 |
/* adjust incorrect page count */
|
|
|
528 |
dsc->page_pages = dsc->page_count;
|
|
|
529 |
break;
|
|
|
530 |
case CDSC_RESPONSE_CANCEL:
|
|
|
531 |
break;;
|
|
|
532 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
533 |
return CDSC_NOTDSC;
|
|
|
534 |
}
|
|
|
535 |
}
|
|
|
536 |
|
|
|
537 |
if (dsc->epsf && (dsc->bbox == (CDSCBBOX *)NULL)) {
|
|
|
538 |
/* EPS files MUST include a BoundingBox */
|
|
|
539 |
int rc = dsc_error(dsc, CDSC_MESSAGE_EPS_NO_BBOX, NULL, 0);
|
|
|
540 |
switch (rc) {
|
|
|
541 |
case CDSC_RESPONSE_OK:
|
|
|
542 |
/* Assume that it is EPS */
|
|
|
543 |
break;
|
|
|
544 |
case CDSC_RESPONSE_CANCEL:
|
|
|
545 |
/* Is NOT an EPS file */
|
|
|
546 |
dsc->epsf = FALSE;
|
|
|
547 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
548 |
return CDSC_NOTDSC;
|
|
|
549 |
}
|
|
|
550 |
}
|
|
|
551 |
|
|
|
552 |
if (dsc->epsf && ((dsc->page_count > 1) || (dsc->page_pages > 1))) {
|
|
|
553 |
int rc = dsc_error(dsc, CDSC_MESSAGE_EPS_PAGES, NULL, 0);
|
|
|
554 |
switch (rc) {
|
|
|
555 |
case CDSC_RESPONSE_OK:
|
|
|
556 |
/* Is an EPS file */
|
|
|
557 |
break;
|
|
|
558 |
case CDSC_RESPONSE_CANCEL:
|
|
|
559 |
/* Is NOT an EPS file */
|
|
|
560 |
dsc->epsf = FALSE;
|
|
|
561 |
break;
|
|
|
562 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
563 |
return CDSC_NOTDSC;
|
|
|
564 |
}
|
|
|
565 |
}
|
|
|
566 |
|
|
|
567 |
/* convert single file DSC 2.0 into multiple pages */
|
|
|
568 |
dsc_dcs2_fixup(dsc);
|
|
|
569 |
|
|
|
570 |
if ((dsc->media_count == 1) && (dsc->page_media == NULL)) {
|
|
|
571 |
/* if one only media was specified, and default page media */
|
|
|
572 |
/* was not specified, assume that default is the only media. */
|
|
|
573 |
dsc->page_media = dsc->media[0];
|
|
|
574 |
}
|
|
|
575 |
|
|
|
576 |
if ((dsc->media_count != 0) && (dsc->page_media == NULL)) {
|
|
|
577 |
int rc = dsc_error(dsc, CDSC_MESSAGE_NO_MEDIA, NULL, 0);
|
|
|
578 |
switch (rc) {
|
|
|
579 |
case CDSC_RESPONSE_OK:
|
|
|
580 |
/* default media is first listed */
|
|
|
581 |
dsc->page_media = dsc->media[0];
|
|
|
582 |
break;
|
|
|
583 |
case CDSC_RESPONSE_CANCEL:
|
|
|
584 |
/* No default media */
|
|
|
585 |
break;
|
|
|
586 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
587 |
return CDSC_NOTDSC;
|
|
|
588 |
}
|
|
|
589 |
}
|
|
|
590 |
|
|
|
591 |
/* make sure all pages have a label */
|
|
|
592 |
for (i=0; i<dsc->page_count; i++) {
|
|
|
593 |
if (strlen(dsc->page[i].label) == 0) {
|
|
|
594 |
sprintf(buf, "%d", i+1);
|
|
|
595 |
if ((dsc->page[i].label = dsc_alloc_string(dsc, buf, (int)strlen(buf)))
|
|
|
596 |
== (char *)NULL)
|
|
|
597 |
return CDSC_ERROR; /* no memory */
|
|
|
598 |
}
|
|
|
599 |
}
|
|
|
600 |
return CDSC_OK;
|
|
|
601 |
}
|
|
|
602 |
|
|
|
603 |
/* Install a function to be used for displaying messages about
|
|
|
604 |
* DSC errors and warnings, and to request advice from user.
|
|
|
605 |
* Installing an error function is optional.
|
|
|
606 |
*/
|
|
|
607 |
void
|
|
|
608 |
dsc_set_error_function(CDSC *dsc,
|
|
|
609 |
int (*fn)(void *caller_data, CDSC *dsc,
|
|
|
610 |
unsigned int explanation, const char *line, unsigned int line_len))
|
|
|
611 |
{
|
|
|
612 |
dsc->dsc_error_fn = fn;
|
|
|
613 |
}
|
|
|
614 |
|
|
|
615 |
|
|
|
616 |
/* Install a function for printing debug messages */
|
|
|
617 |
/* This is optional */
|
|
|
618 |
void
|
|
|
619 |
dsc_set_debug_function(CDSC *dsc,
|
|
|
620 |
void (*debug_fn)(void *caller_data, const char *str))
|
|
|
621 |
{
|
|
|
622 |
dsc->debug_print_fn = debug_fn;
|
|
|
623 |
}
|
|
|
624 |
|
|
|
625 |
/* Doesn't need to be public for PostScript documents */
|
|
|
626 |
/* Made public so GSview can add pages when processing PDF files */
|
|
|
627 |
int
|
|
|
628 |
dsc_add_page(CDSC *dsc, int ordinal, char *label)
|
|
|
629 |
{
|
|
|
630 |
dsc->page[dsc->page_count].ordinal = ordinal;
|
|
|
631 |
dsc->page[dsc->page_count].label =
|
|
|
632 |
dsc_alloc_string(dsc, label, (int)strlen(label)+1);
|
|
|
633 |
dsc->page[dsc->page_count].begin = 0;
|
|
|
634 |
dsc->page[dsc->page_count].end = 0;
|
|
|
635 |
dsc->page[dsc->page_count].orientation = CDSC_ORIENT_UNKNOWN;
|
|
|
636 |
dsc->page[dsc->page_count].media = NULL;
|
|
|
637 |
dsc->page[dsc->page_count].bbox = NULL;
|
|
|
638 |
dsc->page[dsc->page_count].viewing_orientation = NULL;
|
|
|
639 |
dsc->page[dsc->page_count].crop_box = NULL;
|
|
|
640 |
|
|
|
641 |
dsc->page_count++;
|
|
|
642 |
if (dsc->page_count >= dsc->page_chunk_length) {
|
|
|
643 |
CDSCPAGE *new_page = (CDSCPAGE *)dsc_memalloc(dsc,
|
|
|
644 |
(CDSC_PAGE_CHUNK+dsc->page_count) * sizeof(CDSCPAGE));
|
|
|
645 |
if (new_page == NULL)
|
|
|
646 |
return CDSC_ERROR; /* out of memory */
|
|
|
647 |
memcpy(new_page, dsc->page,
|
|
|
648 |
dsc->page_count * sizeof(CDSCPAGE));
|
|
|
649 |
dsc_memfree(dsc, dsc->page);
|
|
|
650 |
dsc->page= new_page;
|
|
|
651 |
dsc->page_chunk_length = CDSC_PAGE_CHUNK+dsc->page_count;
|
|
|
652 |
}
|
|
|
653 |
return CDSC_OK;
|
|
|
654 |
}
|
|
|
655 |
|
|
|
656 |
/* Doesn't need to be public for PostScript documents */
|
|
|
657 |
/* Made public so GSview can store PDF MediaBox */
|
|
|
658 |
int
|
|
|
659 |
dsc_add_media(CDSC *dsc, CDSCMEDIA *media)
|
|
|
660 |
{
|
|
|
661 |
CDSCMEDIA **newmedia_array;
|
|
|
662 |
CDSCMEDIA *newmedia;
|
|
|
663 |
|
|
|
664 |
/* extend media array */
|
|
|
665 |
newmedia_array = (CDSCMEDIA **)dsc_memalloc(dsc,
|
|
|
666 |
(dsc->media_count + 1) * sizeof(CDSCMEDIA *));
|
|
|
667 |
if (newmedia_array == NULL)
|
|
|
668 |
return CDSC_ERROR; /* out of memory */
|
|
|
669 |
if (dsc->media != NULL) {
|
|
|
670 |
memcpy(newmedia_array, dsc->media,
|
|
|
671 |
dsc->media_count * sizeof(CDSCMEDIA *));
|
|
|
672 |
dsc_memfree(dsc, dsc->media);
|
|
|
673 |
}
|
|
|
674 |
dsc->media = newmedia_array;
|
|
|
675 |
|
|
|
676 |
/* allocate new media */
|
|
|
677 |
newmedia = dsc->media[dsc->media_count] =
|
|
|
678 |
(CDSCMEDIA *)dsc_memalloc(dsc, sizeof(CDSCMEDIA));
|
|
|
679 |
if (newmedia == NULL)
|
|
|
680 |
return CDSC_ERROR; /* out of memory */
|
|
|
681 |
newmedia->name = NULL;
|
|
|
682 |
newmedia->width = 595.0;
|
|
|
683 |
newmedia->height = 842.0;
|
|
|
684 |
newmedia->weight = 80.0;
|
|
|
685 |
newmedia->colour = NULL;
|
|
|
686 |
newmedia->type = NULL;
|
|
|
687 |
newmedia->mediabox = NULL;
|
|
|
688 |
|
|
|
689 |
dsc->media_count++;
|
|
|
690 |
|
|
|
691 |
if (media->name) {
|
|
|
692 |
newmedia->name = dsc_alloc_string(dsc, media->name,
|
|
|
693 |
(int)strlen(media->name));
|
|
|
694 |
if (newmedia->name == NULL)
|
|
|
695 |
return CDSC_ERROR; /* no memory */
|
|
|
696 |
}
|
|
|
697 |
newmedia->width = media->width;
|
|
|
698 |
newmedia->height = media->height;
|
|
|
699 |
newmedia->weight = media->weight;
|
|
|
700 |
if (media->colour) {
|
|
|
701 |
newmedia->colour = dsc_alloc_string(dsc, media->colour,
|
|
|
702 |
(int)strlen(media->colour));
|
|
|
703 |
if (newmedia->colour == NULL)
|
|
|
704 |
return CDSC_ERROR; /* no memory */
|
|
|
705 |
}
|
|
|
706 |
if (media->type) {
|
|
|
707 |
newmedia->type = dsc_alloc_string(dsc, media->type,
|
|
|
708 |
(int)strlen(media->type));
|
|
|
709 |
if (newmedia->type == NULL)
|
|
|
710 |
return CDSC_ERROR; /* no memory */
|
|
|
711 |
}
|
|
|
712 |
newmedia->mediabox = NULL;
|
|
|
713 |
|
|
|
714 |
if (media->mediabox) {
|
|
|
715 |
newmedia->mediabox = (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
|
|
|
716 |
if (newmedia->mediabox == NULL)
|
|
|
717 |
return CDSC_ERROR; /* no memory */
|
|
|
718 |
*newmedia->mediabox = *media->mediabox;
|
|
|
719 |
}
|
|
|
720 |
return CDSC_OK;
|
|
|
721 |
}
|
|
|
722 |
|
|
|
723 |
/* Doesn't need to be public for PostScript documents */
|
|
|
724 |
/* Made public so GSview can store PDF CropBox */
|
|
|
725 |
int
|
|
|
726 |
dsc_set_page_bbox(CDSC *dsc, unsigned int page_number,
|
|
|
727 |
int llx, int lly, int urx, int ury)
|
|
|
728 |
{
|
|
|
729 |
CDSCBBOX *bbox;
|
|
|
730 |
if (page_number >= dsc->page_count)
|
|
|
731 |
return CDSC_ERROR;
|
|
|
732 |
bbox = dsc->page[page_number].bbox;
|
|
|
733 |
if (bbox == NULL)
|
|
|
734 |
dsc->page[page_number].bbox = bbox =
|
|
|
735 |
(CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
|
|
|
736 |
if (bbox == NULL)
|
|
|
737 |
return CDSC_ERROR;
|
|
|
738 |
bbox->llx = llx;
|
|
|
739 |
bbox->lly = lly;
|
|
|
740 |
bbox->urx = urx;
|
|
|
741 |
bbox->ury = ury;
|
|
|
742 |
return CDSC_OK;
|
|
|
743 |
}
|
|
|
744 |
|
|
|
745 |
|
|
|
746 |
/******************************************************************/
|
|
|
747 |
/* Private functions below here. */
|
|
|
748 |
/******************************************************************/
|
|
|
749 |
|
|
|
750 |
dsc_private void *
|
|
|
751 |
dsc_memalloc(CDSC *dsc, size_t size)
|
|
|
752 |
{
|
|
|
753 |
if (dsc->memalloc)
|
|
|
754 |
return dsc->memalloc(size, dsc->mem_closure_data);
|
|
|
755 |
return malloc(size);
|
|
|
756 |
}
|
|
|
757 |
|
|
|
758 |
dsc_private void
|
|
|
759 |
dsc_memfree(CDSC*dsc, void *ptr)
|
|
|
760 |
{
|
|
|
761 |
if (dsc->memfree)
|
|
|
762 |
dsc->memfree(ptr, dsc->mem_closure_data);
|
|
|
763 |
else
|
|
|
764 |
free(ptr);
|
|
|
765 |
}
|
|
|
766 |
|
|
|
767 |
/* private constructor */
|
|
|
768 |
dsc_private CDSC *
|
|
|
769 |
dsc_init2(CDSC *dsc)
|
|
|
770 |
{
|
|
|
771 |
dsc_reset(dsc);
|
|
|
772 |
|
|
|
773 |
dsc->string_head = (CDSCSTRING *)dsc_memalloc(dsc, sizeof(CDSCSTRING));
|
|
|
774 |
if (dsc->string_head == NULL) {
|
|
|
775 |
dsc_free(dsc);
|
|
|
776 |
return NULL; /* no memory */
|
|
|
777 |
}
|
|
|
778 |
dsc->string = dsc->string_head;
|
|
|
779 |
dsc->string->next = NULL;
|
|
|
780 |
dsc->string->data = (char *)dsc_memalloc(dsc, CDSC_STRING_CHUNK);
|
|
|
781 |
if (dsc->string->data == NULL) {
|
|
|
782 |
dsc_free(dsc);
|
|
|
783 |
return NULL; /* no memory */
|
|
|
784 |
}
|
|
|
785 |
dsc->string->index = 0;
|
|
|
786 |
dsc->string->length = CDSC_STRING_CHUNK;
|
|
|
787 |
|
|
|
788 |
dsc->page = (CDSCPAGE *)dsc_memalloc(dsc, CDSC_PAGE_CHUNK * sizeof(CDSCPAGE));
|
|
|
789 |
if (dsc->page == NULL) {
|
|
|
790 |
dsc_free(dsc);
|
|
|
791 |
return NULL; /* no memory */
|
|
|
792 |
}
|
|
|
793 |
dsc->page_chunk_length = CDSC_PAGE_CHUNK;
|
|
|
794 |
dsc->page_count = 0;
|
|
|
795 |
|
|
|
796 |
dsc->line = NULL;
|
|
|
797 |
dsc->data_length = 0;
|
|
|
798 |
dsc->data_index = dsc->data_length;
|
|
|
799 |
|
|
|
800 |
return dsc;
|
|
|
801 |
}
|
|
|
802 |
|
|
|
803 |
|
|
|
804 |
dsc_private void
|
|
|
805 |
dsc_reset(CDSC *dsc)
|
|
|
806 |
{
|
|
|
807 |
unsigned int i;
|
|
|
808 |
/* Clear public members */
|
|
|
809 |
dsc->dsc = FALSE;
|
|
|
810 |
dsc->ctrld = FALSE;
|
|
|
811 |
dsc->pjl = FALSE;
|
|
|
812 |
dsc->epsf = FALSE;
|
|
|
813 |
dsc->pdf = FALSE;
|
|
|
814 |
dsc->epsf = FALSE;
|
|
|
815 |
dsc->preview = CDSC_NOPREVIEW;
|
|
|
816 |
dsc->dsc_version = NULL; /* stored in dsc->string */
|
|
|
817 |
dsc->language_level = 0;
|
|
|
818 |
dsc->document_data = CDSC_DATA_UNKNOWN;
|
|
|
819 |
dsc->begincomments = 0;
|
|
|
820 |
dsc->endcomments = 0;
|
|
|
821 |
dsc->beginpreview = 0;
|
|
|
822 |
dsc->endpreview = 0;
|
|
|
823 |
dsc->begindefaults = 0;
|
|
|
824 |
dsc->enddefaults = 0;
|
|
|
825 |
dsc->beginprolog = 0;
|
|
|
826 |
dsc->endprolog = 0;
|
|
|
827 |
dsc->beginsetup = 0;
|
|
|
828 |
dsc->endsetup = 0;
|
|
|
829 |
dsc->begintrailer = 0;
|
|
|
830 |
dsc->endtrailer = 0;
|
|
|
831 |
|
|
|
832 |
for (i=0; i<dsc->page_count; i++) {
|
|
|
833 |
/* page media is pointer to an element of media or dsc_known_media */
|
|
|
834 |
/* do not free it. */
|
|
|
835 |
|
|
|
836 |
if (dsc->page[i].bbox)
|
|
|
837 |
dsc_memfree(dsc, dsc->page[i].bbox);
|
|
|
838 |
if (dsc->page[i].viewing_orientation)
|
|
|
839 |
dsc_memfree(dsc, dsc->page[i].viewing_orientation);
|
|
|
840 |
if (dsc->page[i].crop_box)
|
|
|
841 |
dsc_memfree(dsc, dsc->page[i].crop_box);
|
|
|
842 |
}
|
|
|
843 |
if (dsc->page)
|
|
|
844 |
dsc_memfree(dsc, dsc->page);
|
|
|
845 |
dsc->page = NULL;
|
|
|
846 |
|
|
|
847 |
dsc->page_count = 0;
|
|
|
848 |
dsc->page_pages = 0;
|
|
|
849 |
dsc->page_order = CDSC_ORDER_UNKNOWN;
|
|
|
850 |
dsc->page_orientation = CDSC_ORIENT_UNKNOWN;
|
|
|
851 |
if (dsc->viewing_orientation)
|
|
|
852 |
dsc_memfree(dsc, dsc->viewing_orientation);
|
|
|
853 |
dsc->viewing_orientation = NULL;
|
|
|
854 |
|
|
|
855 |
if (dsc->media) {
|
|
|
856 |
for (i=0; i<dsc->media_count; i++) {
|
|
|
857 |
if (dsc->media[i]) {
|
|
|
858 |
if (dsc->media[i]->mediabox)
|
|
|
859 |
dsc_memfree(dsc, dsc->media[i]->mediabox);
|
|
|
860 |
dsc_memfree(dsc, dsc->media[i]);
|
|
|
861 |
}
|
|
|
862 |
}
|
|
|
863 |
dsc_memfree(dsc, dsc->media);
|
|
|
864 |
}
|
|
|
865 |
dsc->media_count = 0;
|
|
|
866 |
dsc->media = NULL;
|
|
|
867 |
|
|
|
868 |
/* page_media is pointer to an element of media or dsc_known_media */
|
|
|
869 |
/* do not free it. */
|
|
|
870 |
dsc->page_media = NULL;
|
|
|
871 |
|
|
|
872 |
if (dsc->bbox)
|
|
|
873 |
dsc_memfree(dsc, dsc->bbox);
|
|
|
874 |
dsc->bbox = NULL;
|
|
|
875 |
if (dsc->page_bbox)
|
|
|
876 |
dsc_memfree(dsc, dsc->page_bbox);
|
|
|
877 |
dsc->page_bbox = NULL;
|
|
|
878 |
if (dsc->doseps)
|
|
|
879 |
dsc_memfree(dsc, dsc->doseps);
|
|
|
880 |
dsc->doseps = NULL;
|
|
|
881 |
|
|
|
882 |
dsc->dsc_title = NULL;
|
|
|
883 |
dsc->dsc_creator = NULL;
|
|
|
884 |
dsc->dsc_date = NULL;
|
|
|
885 |
dsc->dsc_for = NULL;
|
|
|
886 |
|
|
|
887 |
|
|
|
888 |
dsc->max_error = DSC_MAX_ERROR;
|
|
|
889 |
dsc->severity = dsc_severity;
|
|
|
890 |
|
|
|
891 |
/* Clear private members */
|
|
|
892 |
/* Don't touch dsc->caller_data */
|
|
|
893 |
dsc->id = CDSC_OK;
|
|
|
894 |
dsc->scan_section = scan_none;
|
|
|
895 |
dsc->doseps_end = 0;
|
|
|
896 |
dsc->page_chunk_length = 0;
|
|
|
897 |
dsc->file_length = 0;
|
|
|
898 |
dsc->skip_document = 0;
|
|
|
899 |
dsc->skip_bytes = 0;
|
|
|
900 |
dsc->skip_lines = 0;
|
|
|
901 |
dsc->skip_pjl = 0;
|
|
|
902 |
dsc->begin_font_count = 0;
|
|
|
903 |
dsc->begin_feature_count = 0;
|
|
|
904 |
dsc->begin_resource_count = 0;
|
|
|
905 |
dsc->begin_procset_count = 0;
|
|
|
906 |
|
|
|
907 |
dsc->data_length = 0;
|
|
|
908 |
dsc->data_index = 0;
|
|
|
909 |
dsc->data_offset = 0;
|
|
|
910 |
|
|
|
911 |
dsc->eof = 0;
|
|
|
912 |
|
|
|
913 |
dsc->line = 0;
|
|
|
914 |
dsc->line_length = 0;
|
|
|
915 |
dsc->eol = 0;
|
|
|
916 |
dsc->last_cr = FALSE;
|
|
|
917 |
dsc->line_count = 1;
|
|
|
918 |
dsc->long_line = FALSE;
|
|
|
919 |
memset(dsc->last_line, 0, sizeof(dsc->last_line));
|
|
|
920 |
|
|
|
921 |
dsc->string = dsc->string_head;
|
|
|
922 |
while (dsc->string != (CDSCSTRING *)NULL) {
|
|
|
923 |
if (dsc->string->data)
|
|
|
924 |
dsc_memfree(dsc, dsc->string->data);
|
|
|
925 |
dsc->string_head = dsc->string;
|
|
|
926 |
dsc->string = dsc->string->next;
|
|
|
927 |
dsc_memfree(dsc, dsc->string_head);
|
|
|
928 |
}
|
|
|
929 |
dsc->string_head = NULL;
|
|
|
930 |
dsc->string = NULL;
|
|
|
931 |
|
|
|
932 |
/* don't touch caller functions */
|
|
|
933 |
|
|
|
934 |
/* public data */
|
|
|
935 |
if (dsc->hires_bbox)
|
|
|
936 |
dsc_memfree(dsc, dsc->hires_bbox);
|
|
|
937 |
dsc->hires_bbox = NULL;
|
|
|
938 |
if (dsc->crop_box)
|
|
|
939 |
dsc_memfree(dsc, dsc->crop_box);
|
|
|
940 |
dsc->crop_box = NULL;
|
|
|
941 |
|
|
|
942 |
if (dsc->dcs2) {
|
|
|
943 |
CDCS2 *this_dcs, *next_dcs;
|
|
|
944 |
this_dcs = dsc->dcs2;
|
|
|
945 |
while (this_dcs) {
|
|
|
946 |
next_dcs = this_dcs->next;
|
|
|
947 |
/* strings have already been freed */
|
|
|
948 |
dsc_memfree(dsc, this_dcs);
|
|
|
949 |
this_dcs = next_dcs;
|
|
|
950 |
}
|
|
|
951 |
dsc->dcs2 = NULL;
|
|
|
952 |
}
|
|
|
953 |
if (dsc->colours) {
|
|
|
954 |
CDSCCOLOUR *this_colour, *next_colour;
|
|
|
955 |
this_colour = dsc->colours;
|
|
|
956 |
while (this_colour) {
|
|
|
957 |
next_colour = this_colour->next;
|
|
|
958 |
/* strings have already been freed */
|
|
|
959 |
dsc_memfree(dsc, this_colour);
|
|
|
960 |
this_colour = next_colour;
|
|
|
961 |
}
|
|
|
962 |
dsc->colours = NULL;
|
|
|
963 |
}
|
|
|
964 |
|
|
|
965 |
if (dsc->macbin)
|
|
|
966 |
dsc_memfree(dsc, dsc->macbin);
|
|
|
967 |
dsc->macbin = NULL;
|
|
|
968 |
}
|
|
|
969 |
|
|
|
970 |
/*
|
|
|
971 |
* Join up all sections.
|
|
|
972 |
* There might be extra code between them, or we might have
|
|
|
973 |
* missed including the \n which followed \r.
|
|
|
974 |
* begin is the start of this section
|
|
|
975 |
* pend is a pointer to the end of this section
|
|
|
976 |
* pplast is a pointer to a pointer of the end of the previous section
|
|
|
977 |
*/
|
|
|
978 |
dsc_private void
|
|
|
979 |
dsc_section_join(DSC_OFFSET begin, DSC_OFFSET *pend, DSC_OFFSET **pplast)
|
|
|
980 |
{
|
|
|
981 |
if (begin)
|
|
|
982 |
**pplast = begin;
|
|
|
983 |
if (*pend > begin)
|
|
|
984 |
*pplast = pend;
|
|
|
985 |
}
|
|
|
986 |
|
|
|
987 |
|
|
|
988 |
/* return value is 0 if no line available, or length of line */
|
|
|
989 |
dsc_private int
|
|
|
990 |
dsc_read_line(CDSC *dsc)
|
|
|
991 |
{
|
|
|
992 |
char *p, *last;
|
|
|
993 |
dsc->line = NULL;
|
|
|
994 |
|
|
|
995 |
if (dsc->eof) {
|
|
|
996 |
/* return all that remains, even if line incomplete */
|
|
|
997 |
dsc->line = dsc->data + dsc->data_index;
|
|
|
998 |
dsc->line_length = dsc->data_length - dsc->data_index;
|
|
|
999 |
dsc->data_index = dsc->data_length;
|
|
|
1000 |
return dsc->line_length;
|
|
|
1001 |
}
|
|
|
1002 |
|
|
|
1003 |
if (dsc->file_length &&
|
|
|
1004 |
(dsc->data_offset + dsc->data_index >= dsc->file_length)) {
|
|
|
1005 |
/* Have read past where we need to parse. */
|
|
|
1006 |
/* Ignore all that remains. */
|
|
|
1007 |
dsc->line = dsc->data + dsc->data_index;
|
|
|
1008 |
dsc->line_length = dsc->data_length - dsc->data_index;
|
|
|
1009 |
dsc->data_index = dsc->data_length;
|
|
|
1010 |
return dsc->line_length;
|
|
|
1011 |
|
|
|
1012 |
}
|
|
|
1013 |
if (dsc->doseps_end &&
|
|
|
1014 |
(dsc->data_offset + dsc->data_index >= dsc->doseps_end)) {
|
|
|
1015 |
/* Have read past end of DOS EPS PostScript section. */
|
|
|
1016 |
/* Ignore all that remains. */
|
|
|
1017 |
dsc->line = dsc->data + dsc->data_index;
|
|
|
1018 |
dsc->line_length = dsc->data_length - dsc->data_index;
|
|
|
1019 |
dsc->data_index = dsc->data_length;
|
|
|
1020 |
return dsc->line_length;
|
|
|
1021 |
}
|
|
|
1022 |
|
|
|
1023 |
/* ignore embedded bytes */
|
|
|
1024 |
if (dsc->skip_bytes) {
|
|
|
1025 |
int cnt = min(dsc->skip_bytes,
|
|
|
1026 |
(int)(dsc->data_length - dsc->data_index));
|
|
|
1027 |
dsc->skip_bytes -= cnt;
|
|
|
1028 |
dsc->data_index += cnt;
|
|
|
1029 |
if (dsc->skip_bytes != 0)
|
|
|
1030 |
return 0;
|
|
|
1031 |
}
|
|
|
1032 |
|
|
|
1033 |
do {
|
|
|
1034 |
dsc->line = dsc->data + dsc->data_index;
|
|
|
1035 |
last = dsc->data + dsc->data_length;
|
|
|
1036 |
if (dsc->data_index == dsc->data_length) {
|
|
|
1037 |
dsc->line_length = 0;
|
|
|
1038 |
return 0;
|
|
|
1039 |
}
|
|
|
1040 |
if (dsc->eol) {
|
|
|
1041 |
/* if previous line was complete, increment line count */
|
|
|
1042 |
dsc->line_count++;
|
|
|
1043 |
if (dsc->skip_lines)
|
|
|
1044 |
dsc->skip_lines--;
|
|
|
1045 |
}
|
|
|
1046 |
|
|
|
1047 |
/* skip over \n which followed \r */
|
|
|
1048 |
if (dsc->last_cr && dsc->line[0] == '\n') {
|
|
|
1049 |
dsc->data_index++;
|
|
|
1050 |
dsc->line++;
|
|
|
1051 |
}
|
|
|
1052 |
dsc->last_cr = FALSE;
|
|
|
1053 |
|
|
|
1054 |
/* look for EOL */
|
|
|
1055 |
dsc->eol = FALSE;
|
|
|
1056 |
for (p = dsc->line; p < last; p++) {
|
|
|
1057 |
if (*p == '\r') {
|
|
|
1058 |
p++;
|
|
|
1059 |
if ((p<last) && (*p == '\n'))
|
|
|
1060 |
p++; /* include line feed also */
|
|
|
1061 |
else
|
|
|
1062 |
dsc->last_cr = TRUE; /* we might need to skip \n */
|
|
|
1063 |
dsc->eol = TRUE; /* dsc->line is a complete line */
|
|
|
1064 |
break;
|
|
|
1065 |
}
|
|
|
1066 |
if (*p == '\n') {
|
|
|
1067 |
p++;
|
|
|
1068 |
dsc->eol = TRUE; /* dsc->line is a complete line */
|
|
|
1069 |
break;
|
|
|
1070 |
}
|
|
|
1071 |
if (*p == '\032') { /* MS-DOS Ctrl+Z */
|
|
|
1072 |
dsc->eol = TRUE;
|
|
|
1073 |
}
|
|
|
1074 |
}
|
|
|
1075 |
if (dsc->eol == FALSE) {
|
|
|
1076 |
/* we haven't got a complete line yet */
|
|
|
1077 |
if (dsc->data_length - dsc->data_index < sizeof(dsc->data)/2) {
|
|
|
1078 |
/* buffer is less than half full, ask for some more */
|
|
|
1079 |
dsc->line_length = 0;
|
|
|
1080 |
return 0;
|
|
|
1081 |
}
|
|
|
1082 |
}
|
|
|
1083 |
dsc->data_index += dsc->line_length = (int)(p - dsc->line);
|
|
|
1084 |
} while (dsc->skip_lines && dsc->line_length);
|
|
|
1085 |
|
|
|
1086 |
if (dsc->line_length == 0)
|
|
|
1087 |
return 0;
|
|
|
1088 |
|
|
|
1089 |
if ((dsc->line[0]=='%') && (dsc->line[1]=='%')) {
|
|
|
1090 |
/* handle recursive %%BeginDocument */
|
|
|
1091 |
if ((dsc->skip_document) && dsc->line_length &&
|
|
|
1092 |
COMPARE(dsc->line, "%%EndDocument")) {
|
|
|
1093 |
dsc->skip_document--;
|
|
|
1094 |
}
|
|
|
1095 |
|
|
|
1096 |
/* handle embedded lines or binary data */
|
|
|
1097 |
if (COMPARE(dsc->line, "%%BeginData:")) {
|
|
|
1098 |
/* %%BeginData: <numberof>[ <type> [ <bytesorlines> ] ]
|
|
|
1099 |
* <numberof> ::= <uint> (Lines or physical bytes)
|
|
|
1100 |
* <type> ::= Hex | Binary | ASCII (Type of data)
|
|
|
1101 |
* <bytesorlines> ::= Bytes | Lines (Read in bytes or lines)
|
|
|
1102 |
*/
|
|
|
1103 |
char begindata[MAXSTR+1];
|
|
|
1104 |
int cnt;
|
|
|
1105 |
const char *numberof, *bytesorlines;
|
|
|
1106 |
cnt = dsc->line_length;
|
|
|
1107 |
if (dsc->line_length > sizeof(begindata)-1)
|
|
|
1108 |
cnt = sizeof(begindata)-1;
|
|
|
1109 |
memcpy(begindata, dsc->line, cnt);
|
|
|
1110 |
begindata[cnt] = '\0';
|
|
|
1111 |
numberof = strtok(begindata+12, " \r\n");
|
|
|
1112 |
strtok(NULL, " \r\n"); /* dump type */
|
|
|
1113 |
bytesorlines = strtok(NULL, " \r\n");
|
|
|
1114 |
if (bytesorlines == NULL)
|
|
|
1115 |
bytesorlines = "Bytes";
|
|
|
1116 |
|
|
|
1117 |
if ( (numberof == NULL) || (bytesorlines == NULL) ) {
|
|
|
1118 |
/* invalid usage of %%BeginData */
|
|
|
1119 |
/* ignore that we ever saw it */
|
|
|
1120 |
int rc = dsc_error(dsc, CDSC_MESSAGE_INCORRECT_USAGE,
|
|
|
1121 |
dsc->line, dsc->line_length);
|
|
|
1122 |
switch (rc) {
|
|
|
1123 |
case CDSC_RESPONSE_OK:
|
|
|
1124 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1125 |
break;
|
|
|
1126 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1127 |
return 0;
|
|
|
1128 |
}
|
|
|
1129 |
}
|
|
|
1130 |
else {
|
|
|
1131 |
cnt = atoi(numberof);
|
|
|
1132 |
if (cnt) {
|
|
|
1133 |
if (bytesorlines && (dsc_stricmp(bytesorlines, "Lines")==0)) {
|
|
|
1134 |
/* skip cnt lines */
|
|
|
1135 |
if (dsc->skip_lines == 0) {
|
|
|
1136 |
/* we are not already skipping lines */
|
|
|
1137 |
dsc->skip_lines = cnt+1;
|
|
|
1138 |
}
|
|
|
1139 |
}
|
|
|
1140 |
else {
|
|
|
1141 |
/* byte count doesn't includes \n or \r\n */
|
|
|
1142 |
/* or \r of %%BeginData: */
|
|
|
1143 |
/* skip cnt bytes */
|
|
|
1144 |
if (dsc->skip_bytes == 0) {
|
|
|
1145 |
/* we are not already skipping lines */
|
|
|
1146 |
dsc->skip_bytes = cnt;
|
|
|
1147 |
}
|
|
|
1148 |
|
|
|
1149 |
}
|
|
|
1150 |
}
|
|
|
1151 |
}
|
|
|
1152 |
}
|
|
|
1153 |
else if (COMPARE(dsc->line, "%%BeginBinary:")) {
|
|
|
1154 |
/* byte count doesn't includes \n or \r\n or \r of %%BeginBinary:*/
|
|
|
1155 |
int cnt = dsc_get_int(dsc->line + 14,
|
|
|
1156 |
dsc->line_length - 14, NULL);
|
|
|
1157 |
if (dsc->skip_bytes == 0) {
|
|
|
1158 |
/* we are not already skipping lines */
|
|
|
1159 |
dsc->skip_bytes = cnt;
|
|
|
1160 |
}
|
|
|
1161 |
}
|
|
|
1162 |
}
|
|
|
1163 |
|
|
|
1164 |
if ((dsc->line[0]=='%') && (dsc->line[1]=='%') &&
|
|
|
1165 |
COMPARE(dsc->line, "%%BeginDocument:") ) {
|
|
|
1166 |
/* Skip over embedded document, recursively */
|
|
|
1167 |
dsc->skip_document++;
|
|
|
1168 |
}
|
|
|
1169 |
|
|
|
1170 |
if (!dsc->long_line && (dsc->line_length > DSC_LINE_LENGTH)) {
|
|
|
1171 |
dsc_error(dsc, CDSC_MESSAGE_LONG_LINE, dsc->line, dsc->line_length);
|
|
|
1172 |
dsc->long_line = TRUE;
|
|
|
1173 |
}
|
|
|
1174 |
|
|
|
1175 |
return dsc->line_length;
|
|
|
1176 |
}
|
|
|
1177 |
|
|
|
1178 |
|
|
|
1179 |
/* Save last DSC line, for use with %%+ */
|
|
|
1180 |
dsc_private void
|
|
|
1181 |
dsc_save_line(CDSC *dsc)
|
|
|
1182 |
{
|
|
|
1183 |
int len = min(sizeof(dsc->last_line), dsc->line_length);
|
|
|
1184 |
memcpy(dsc->last_line, dsc->line, len);
|
|
|
1185 |
}
|
|
|
1186 |
|
|
|
1187 |
/* display unknown DSC line */
|
|
|
1188 |
dsc_private void
|
|
|
1189 |
dsc_unknown(CDSC *dsc)
|
|
|
1190 |
{
|
|
|
1191 |
if (dsc->debug_print_fn) {
|
|
|
1192 |
char line[DSC_LINE_LENGTH];
|
|
|
1193 |
unsigned int length = min(DSC_LINE_LENGTH-1, dsc->line_length);
|
|
|
1194 |
sprintf(line, "Unknown in %s section at line %d:\n ",
|
|
|
1195 |
dsc_scan_section_name[dsc->scan_section], dsc->line_count);
|
|
|
1196 |
dsc_debug_print(dsc, line);
|
|
|
1197 |
strncpy(line, dsc->line, length);
|
|
|
1198 |
line[length] = '\0';
|
|
|
1199 |
dsc_debug_print(dsc, line);
|
|
|
1200 |
dsc_debug_print(dsc, "\n");
|
|
|
1201 |
}
|
|
|
1202 |
}
|
|
|
1203 |
|
|
|
1204 |
|
|
|
1205 |
dsc_private GSBOOL
|
|
|
1206 |
dsc_is_section(char *line)
|
|
|
1207 |
{
|
|
|
1208 |
if ( !((line[0]=='%') && (line[1]=='%')) )
|
|
|
1209 |
return FALSE;
|
|
|
1210 |
if (IS_DSC(line, "%%BeginPreview"))
|
|
|
1211 |
return TRUE;
|
|
|
1212 |
if (IS_DSC(line, "%%BeginDefaults"))
|
|
|
1213 |
return TRUE;
|
|
|
1214 |
if (IS_DSC(line, "%%BeginProlog"))
|
|
|
1215 |
return TRUE;
|
|
|
1216 |
if (IS_DSC(line, "%%BeginSetup"))
|
|
|
1217 |
return TRUE;
|
|
|
1218 |
if (IS_DSC(line, "%%Page:"))
|
|
|
1219 |
return TRUE;
|
|
|
1220 |
if (IS_DSC(line, "%%Trailer"))
|
|
|
1221 |
return TRUE;
|
|
|
1222 |
if (IS_DSC(line, "%%EOF"))
|
|
|
1223 |
return TRUE;
|
|
|
1224 |
return FALSE;
|
|
|
1225 |
}
|
|
|
1226 |
|
|
|
1227 |
/* Get little-endian DWORD, used for DOS EPS files */
|
|
|
1228 |
dsc_private GSDWORD
|
|
|
1229 |
dsc_get_dword(const unsigned char *buf)
|
|
|
1230 |
{
|
|
|
1231 |
GSDWORD dw;
|
|
|
1232 |
dw = (GSDWORD)buf[0];
|
|
|
1233 |
dw += ((GSDWORD)buf[1])<<8;
|
|
|
1234 |
dw += ((GSDWORD)buf[2])<<16;
|
|
|
1235 |
dw += ((GSDWORD)buf[3])<<24;
|
|
|
1236 |
return dw;
|
|
|
1237 |
}
|
|
|
1238 |
|
|
|
1239 |
dsc_private GSWORD
|
|
|
1240 |
dsc_get_word(const unsigned char *buf)
|
|
|
1241 |
{
|
|
|
1242 |
GSWORD w;
|
|
|
1243 |
w = (GSWORD)buf[0];
|
|
|
1244 |
w |= (GSWORD)(buf[1]<<8);
|
|
|
1245 |
return w;
|
|
|
1246 |
}
|
|
|
1247 |
|
|
|
1248 |
/* Get big-endian DWORD, used for Mac Binary files */
|
|
|
1249 |
dsc_private GSDWORD
|
|
|
1250 |
dsc_get_bigendian_dword(const unsigned char *buf)
|
|
|
1251 |
{
|
|
|
1252 |
GSDWORD dw;
|
|
|
1253 |
dw = (GSDWORD)buf[3];
|
|
|
1254 |
dw += ((GSDWORD)buf[2])<<8;
|
|
|
1255 |
dw += ((GSDWORD)buf[1])<<16;
|
|
|
1256 |
dw += ((GSDWORD)buf[0])<<24;
|
|
|
1257 |
return dw;
|
|
|
1258 |
}
|
|
|
1259 |
|
|
|
1260 |
dsc_private GSWORD
|
|
|
1261 |
dsc_get_bigendian_word(const unsigned char *buf)
|
|
|
1262 |
{
|
|
|
1263 |
GSWORD w;
|
|
|
1264 |
w = (GSWORD)buf[1];
|
|
|
1265 |
w |= (GSWORD)(buf[0]<<8);
|
|
|
1266 |
return w;
|
|
|
1267 |
}
|
|
|
1268 |
|
|
|
1269 |
dsc_private int
|
|
|
1270 |
dsc_read_doseps(CDSC *dsc)
|
|
|
1271 |
{
|
|
|
1272 |
unsigned char *line = (unsigned char *)dsc->line;
|
|
|
1273 |
if ((dsc->doseps = (CDSCDOSEPS *)dsc_memalloc(dsc, sizeof(CDSCDOSEPS))) == NULL)
|
|
|
1274 |
return CDSC_ERROR; /* no memory */
|
|
|
1275 |
|
|
|
1276 |
dsc->doseps->ps_begin = dsc_get_dword(line+4);
|
|
|
1277 |
dsc->doseps->ps_length = dsc_get_dword(line+8);
|
|
|
1278 |
dsc->doseps->wmf_begin = dsc_get_dword(line+12);
|
|
|
1279 |
dsc->doseps->wmf_length = dsc_get_dword(line+16);
|
|
|
1280 |
dsc->doseps->tiff_begin = dsc_get_dword(line+20);
|
|
|
1281 |
dsc->doseps->tiff_length = dsc_get_dword(line+24);
|
|
|
1282 |
dsc->doseps->checksum = dsc_get_word(line+28);
|
|
|
1283 |
|
|
|
1284 |
if (dsc->file_length &&
|
|
|
1285 |
(dsc->doseps->ps_begin + dsc->doseps->ps_length > dsc->file_length)) {
|
|
|
1286 |
/* Error in DOS EPS header.
|
|
|
1287 |
* Some files have been seen with a fixed large value as
|
|
|
1288 |
* the length of the PostScript section.
|
|
|
1289 |
* Correct for these erroneous files.
|
|
|
1290 |
*/
|
|
|
1291 |
dsc->doseps->ps_length =
|
|
|
1292 |
(GSDWORD)(dsc->file_length - dsc->doseps->ps_begin);
|
|
|
1293 |
}
|
|
|
1294 |
|
|
|
1295 |
dsc->doseps_end = dsc->doseps->ps_begin + dsc->doseps->ps_length;
|
|
|
1296 |
|
|
|
1297 |
/* move data_index backwards to byte after doseps header */
|
|
|
1298 |
dsc->data_index -= dsc->line_length - 30;
|
|
|
1299 |
/* we haven't read a line of PostScript code yet */
|
|
|
1300 |
dsc->line_count = 0;
|
|
|
1301 |
/* skip from current position to start of PostScript section */
|
|
|
1302 |
dsc->skip_bytes = dsc->doseps->ps_begin - 30;
|
|
|
1303 |
|
|
|
1304 |
if (dsc->doseps->tiff_begin)
|
|
|
1305 |
dsc->preview = CDSC_TIFF;
|
|
|
1306 |
if (dsc->doseps->wmf_begin)
|
|
|
1307 |
dsc->preview = CDSC_WMF;
|
|
|
1308 |
|
|
|
1309 |
return CDSC_OK;
|
|
|
1310 |
}
|
|
|
1311 |
|
|
|
1312 |
|
|
|
1313 |
dsc_private int
|
|
|
1314 |
dsc_read_macbin(CDSC *dsc)
|
|
|
1315 |
{
|
|
|
1316 |
unsigned char *line = (unsigned char *)dsc->line;
|
|
|
1317 |
if ((dsc->macbin =
|
|
|
1318 |
(CDSCMACBIN *)dsc_memalloc(dsc, sizeof(CDSCMACBIN))) == NULL)
|
|
|
1319 |
return CDSC_ERROR; /* no memory */
|
|
|
1320 |
|
|
|
1321 |
dsc->macbin->data_begin = 128;
|
|
|
1322 |
dsc->macbin->data_length = dsc_get_bigendian_dword(line+83);
|
|
|
1323 |
dsc->macbin->resource_begin =
|
|
|
1324 |
(dsc->macbin->data_begin + dsc->macbin->data_length + 127 ) & ~127;
|
|
|
1325 |
dsc->macbin->resource_length = dsc_get_bigendian_dword(line+87);
|
|
|
1326 |
|
|
|
1327 |
if (dsc->file_length &&
|
|
|
1328 |
(((dsc->macbin->resource_begin + dsc->macbin->resource_length
|
|
|
1329 |
+ 127) & ~127) > dsc->file_length)) {
|
|
|
1330 |
return CDSC_ERROR;
|
|
|
1331 |
}
|
|
|
1332 |
|
|
|
1333 |
dsc->doseps_end = dsc->macbin->data_begin + dsc->macbin->data_length;
|
|
|
1334 |
|
|
|
1335 |
/* move data_index to byte after Mac Binary header */
|
|
|
1336 |
dsc->data_index -= dsc->line_length - 128;
|
|
|
1337 |
/* we haven't read a line of PostScript code yet */
|
|
|
1338 |
dsc->line_count = 0;
|
|
|
1339 |
|
|
|
1340 |
dsc->preview = CDSC_PICT;
|
|
|
1341 |
|
|
|
1342 |
return CDSC_OK;
|
|
|
1343 |
}
|
|
|
1344 |
|
|
|
1345 |
|
|
|
1346 |
dsc_private int
|
|
|
1347 |
dsc_read_applesingle(CDSC *dsc)
|
|
|
1348 |
{
|
|
|
1349 |
GSDWORD EntryID;
|
|
|
1350 |
GSDWORD Offset;
|
|
|
1351 |
GSDWORD Length;
|
|
|
1352 |
GSWORD entries;
|
|
|
1353 |
int index;
|
|
|
1354 |
int header;
|
|
|
1355 |
int i;
|
|
|
1356 |
|
|
|
1357 |
unsigned char *line = (unsigned char *)dsc->line;
|
|
|
1358 |
if ((dsc->macbin =
|
|
|
1359 |
(CDSCMACBIN *)dsc_memalloc(dsc, sizeof(CDSCMACBIN))) == NULL)
|
|
|
1360 |
return CDSC_ERROR; /* no memory */
|
|
|
1361 |
entries = dsc_get_bigendian_word(line+24);
|
|
|
1362 |
for (i=0; i<(int)entries; i++) {
|
|
|
1363 |
index = 26 + i * 12;
|
|
|
1364 |
EntryID = dsc_get_bigendian_dword(line+index);
|
|
|
1365 |
Offset = dsc_get_bigendian_dword(line+index+4);
|
|
|
1366 |
Length = dsc_get_bigendian_dword(line+index+8);
|
|
|
1367 |
if (EntryID == 1) {
|
|
|
1368 |
/* data fork */
|
|
|
1369 |
dsc->macbin->data_begin = Offset;
|
|
|
1370 |
dsc->macbin->data_length = Length;
|
|
|
1371 |
}
|
|
|
1372 |
else if (EntryID == 2) {
|
|
|
1373 |
/* resource fork */
|
|
|
1374 |
dsc->macbin->resource_begin = Offset;
|
|
|
1375 |
dsc->macbin->resource_length = Length;
|
|
|
1376 |
}
|
|
|
1377 |
}
|
|
|
1378 |
|
|
|
1379 |
if (dsc->file_length &&
|
|
|
1380 |
(dsc->macbin->resource_begin + dsc->macbin->resource_length
|
|
|
1381 |
> dsc->file_length)) {
|
|
|
1382 |
return CDSC_ERROR;
|
|
|
1383 |
}
|
|
|
1384 |
if (dsc->file_length &&
|
|
|
1385 |
(dsc->macbin->data_begin + dsc->macbin->data_length
|
|
|
1386 |
> dsc->file_length)) {
|
|
|
1387 |
return CDSC_ERROR;
|
|
|
1388 |
}
|
|
|
1389 |
|
|
|
1390 |
dsc->doseps_end = dsc->macbin->data_begin + dsc->macbin->data_length;
|
|
|
1391 |
|
|
|
1392 |
header = 26 + entries * 12;
|
|
|
1393 |
/* move data_index to byte after AppleSingle/AppleDouble header */
|
|
|
1394 |
dsc->data_index -= dsc->line_length - header;
|
|
|
1395 |
/* we haven't read a line of PostScript code yet */
|
|
|
1396 |
dsc->line_count = 0;
|
|
|
1397 |
/* skip from current position to start of PostScript section */
|
|
|
1398 |
dsc->skip_bytes = dsc->macbin->data_begin - header;
|
|
|
1399 |
|
|
|
1400 |
dsc->preview = CDSC_PICT;
|
|
|
1401 |
|
|
|
1402 |
return CDSC_OK;
|
|
|
1403 |
}
|
|
|
1404 |
|
|
|
1405 |
dsc_private int
|
|
|
1406 |
dsc_parse_pages(CDSC *dsc)
|
|
|
1407 |
{
|
|
|
1408 |
int ip, io;
|
|
|
1409 |
unsigned int i;
|
|
|
1410 |
char *p;
|
|
|
1411 |
int n;
|
|
|
1412 |
if ((dsc->page_pages != 0) && (dsc->scan_section == scan_comments)) {
|
|
|
1413 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1414 |
dsc->line_length);
|
|
|
1415 |
switch (rc) {
|
|
|
1416 |
case CDSC_RESPONSE_OK:
|
|
|
1417 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1418 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1419 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1420 |
return CDSC_NOTDSC;
|
|
|
1421 |
}
|
|
|
1422 |
}
|
|
|
1423 |
if ((dsc->page_pages != 0) && (dsc->scan_section == scan_trailer)) {
|
|
|
1424 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line,
|
|
|
1425 |
dsc->line_length);
|
|
|
1426 |
switch (rc) {
|
|
|
1427 |
case CDSC_RESPONSE_OK:
|
|
|
1428 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1429 |
break; /* use duplicate comments in header */
|
|
|
1430 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1431 |
return CDSC_NOTDSC;
|
|
|
1432 |
}
|
|
|
1433 |
}
|
|
|
1434 |
|
|
|
1435 |
n = IS_DSC(dsc->line, "%%+") ? 3 : 8;
|
|
|
1436 |
while (IS_WHITE(dsc->line[n]))
|
|
|
1437 |
n++;
|
|
|
1438 |
p = dsc->line + n;
|
|
|
1439 |
if (COMPARE(p, "atend")) {
|
|
|
1440 |
if (dsc->scan_section != scan_comments)
|
|
|
1441 |
dsc_unknown(dsc);
|
|
|
1442 |
else {
|
|
|
1443 |
int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND,
|
|
|
1444 |
dsc->line, dsc->line_length);
|
|
|
1445 |
switch (rc) {
|
|
|
1446 |
case CDSC_RESPONSE_OK:
|
|
|
1447 |
/* assume (atend) */
|
|
|
1448 |
/* we should mark it as deferred */
|
|
|
1449 |
break;
|
|
|
1450 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1451 |
/* ignore it */
|
|
|
1452 |
break;
|
|
|
1453 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1454 |
return CDSC_NOTDSC;
|
|
|
1455 |
}
|
|
|
1456 |
}
|
|
|
1457 |
}
|
|
|
1458 |
else if (COMPARE(p, "(atend)")) {
|
|
|
1459 |
if (dsc->scan_section != scan_comments)
|
|
|
1460 |
dsc_unknown(dsc);
|
|
|
1461 |
/* do nothing */
|
|
|
1462 |
/* we should mark it as deferred */
|
|
|
1463 |
}
|
|
|
1464 |
else {
|
|
|
1465 |
ip = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1466 |
if (i) {
|
|
|
1467 |
n+=i;
|
|
|
1468 |
dsc->page_pages = ip;
|
|
|
1469 |
io = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1470 |
if (i) {
|
|
|
1471 |
/* DSC 2 uses extra integer to indicate page order */
|
|
|
1472 |
/* DSC 3 uses %%PageOrder: */
|
|
|
1473 |
if (dsc->page_order == CDSC_ORDER_UNKNOWN)
|
|
|
1474 |
switch (io) {
|
|
|
1475 |
case -1:
|
|
|
1476 |
dsc->page_order = CDSC_DESCEND;
|
|
|
1477 |
break;
|
|
|
1478 |
case 0:
|
|
|
1479 |
dsc->page_order = CDSC_SPECIAL;
|
|
|
1480 |
break;
|
|
|
1481 |
case 1:
|
|
|
1482 |
dsc->page_order = CDSC_ASCEND;
|
|
|
1483 |
break;
|
|
|
1484 |
}
|
|
|
1485 |
}
|
|
|
1486 |
}
|
|
|
1487 |
else {
|
|
|
1488 |
int rc = dsc_error(dsc, CDSC_MESSAGE_INCORRECT_USAGE, dsc->line,
|
|
|
1489 |
dsc->line_length);
|
|
|
1490 |
switch (rc) {
|
|
|
1491 |
case CDSC_RESPONSE_OK:
|
|
|
1492 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1493 |
/* ignore it */
|
|
|
1494 |
break;
|
|
|
1495 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1496 |
return CDSC_NOTDSC;
|
|
|
1497 |
}
|
|
|
1498 |
}
|
|
|
1499 |
}
|
|
|
1500 |
return CDSC_OK;
|
|
|
1501 |
}
|
|
|
1502 |
|
|
|
1503 |
dsc_private int
|
|
|
1504 |
dsc_parse_bounding_box(CDSC *dsc, CDSCBBOX** pbbox, int offset)
|
|
|
1505 |
{
|
|
|
1506 |
unsigned int i, n;
|
|
|
1507 |
int llx, lly, urx, ury;
|
|
|
1508 |
float fllx, flly, furx, fury;
|
|
|
1509 |
char *p;
|
|
|
1510 |
/* Process first %%BoundingBox: in comments, and last in trailer */
|
|
|
1511 |
if ((*pbbox != NULL) && (dsc->scan_section == scan_comments)) {
|
|
|
1512 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1513 |
dsc->line_length);
|
|
|
1514 |
switch (rc) {
|
|
|
1515 |
case CDSC_RESPONSE_OK:
|
|
|
1516 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1517 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1518 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1519 |
return CDSC_NOTDSC;
|
|
|
1520 |
}
|
|
|
1521 |
}
|
|
|
1522 |
if ((*pbbox != NULL) && (dsc->scan_section == scan_pages)) {
|
|
|
1523 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1524 |
dsc->line_length);
|
|
|
1525 |
switch (rc) {
|
|
|
1526 |
case CDSC_RESPONSE_OK:
|
|
|
1527 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1528 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1529 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1530 |
return CDSC_NOTDSC;
|
|
|
1531 |
}
|
|
|
1532 |
}
|
|
|
1533 |
if ((*pbbox != NULL) && (dsc->scan_section == scan_trailer)) {
|
|
|
1534 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line,
|
|
|
1535 |
dsc->line_length);
|
|
|
1536 |
switch (rc) {
|
|
|
1537 |
case CDSC_RESPONSE_OK:
|
|
|
1538 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1539 |
break; /* use duplicate comments in trailer */
|
|
|
1540 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1541 |
return CDSC_NOTDSC;
|
|
|
1542 |
}
|
|
|
1543 |
}
|
|
|
1544 |
if (*pbbox != NULL) {
|
|
|
1545 |
dsc_memfree(dsc, *pbbox);
|
|
|
1546 |
*pbbox = NULL;
|
|
|
1547 |
}
|
|
|
1548 |
|
|
|
1549 |
/* should only process first %%BoundingBox: */
|
|
|
1550 |
|
|
|
1551 |
while (IS_WHITE(dsc->line[offset]))
|
|
|
1552 |
offset++;
|
|
|
1553 |
p = dsc->line + offset;
|
|
|
1554 |
|
|
|
1555 |
if (COMPARE(p, "atend")) {
|
|
|
1556 |
if (dsc->scan_section == scan_trailer)
|
|
|
1557 |
dsc_unknown(dsc);
|
|
|
1558 |
else {
|
|
|
1559 |
int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line,
|
|
|
1560 |
dsc->line_length);
|
|
|
1561 |
switch (rc) {
|
|
|
1562 |
case CDSC_RESPONSE_OK:
|
|
|
1563 |
/* assume (atend) */
|
|
|
1564 |
/* we should mark it as deferred */
|
|
|
1565 |
break;
|
|
|
1566 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1567 |
/* ignore it */
|
|
|
1568 |
break;
|
|
|
1569 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1570 |
return CDSC_NOTDSC;
|
|
|
1571 |
}
|
|
|
1572 |
}
|
|
|
1573 |
}
|
|
|
1574 |
else if (COMPARE(p, "(atend)")) {
|
|
|
1575 |
if (dsc->scan_section == scan_trailer)
|
|
|
1576 |
dsc_unknown(dsc);
|
|
|
1577 |
/* do nothing */
|
|
|
1578 |
/* we should mark it as deferred */
|
|
|
1579 |
}
|
|
|
1580 |
else {
|
|
|
1581 |
/* llx = */ lly = urx = ury = 0;
|
|
|
1582 |
n = offset;
|
|
|
1583 |
llx = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1584 |
n += i;
|
|
|
1585 |
if (i)
|
|
|
1586 |
lly = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1587 |
n += i;
|
|
|
1588 |
if (i)
|
|
|
1589 |
urx = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1590 |
n += i;
|
|
|
1591 |
if (i)
|
|
|
1592 |
ury = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1593 |
if (i) {
|
|
|
1594 |
*pbbox = (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
|
|
|
1595 |
if (*pbbox == NULL)
|
|
|
1596 |
return CDSC_ERROR; /* no memory */
|
|
|
1597 |
(*pbbox)->llx = llx;
|
|
|
1598 |
(*pbbox)->lly = lly;
|
|
|
1599 |
(*pbbox)->urx = urx;
|
|
|
1600 |
(*pbbox)->ury = ury;
|
|
|
1601 |
}
|
|
|
1602 |
else {
|
|
|
1603 |
int rc = dsc_error(dsc, CDSC_MESSAGE_BBOX, dsc->line,
|
|
|
1604 |
dsc->line_length);
|
|
|
1605 |
switch (rc) {
|
|
|
1606 |
case CDSC_RESPONSE_OK:
|
|
|
1607 |
/* fllx = */ flly = furx = fury = 0.0;
|
|
|
1608 |
n = offset;
|
|
|
1609 |
n += i;
|
|
|
1610 |
fllx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1611 |
n += i;
|
|
|
1612 |
if (i)
|
|
|
1613 |
flly = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1614 |
n += i;
|
|
|
1615 |
if (i)
|
|
|
1616 |
furx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1617 |
n += i;
|
|
|
1618 |
if (i)
|
|
|
1619 |
fury = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1620 |
if (i) {
|
|
|
1621 |
*pbbox = (CDSCBBOX *)dsc_memalloc(dsc, sizeof(CDSCBBOX));
|
|
|
1622 |
if (*pbbox == NULL)
|
|
|
1623 |
return CDSC_ERROR; /* no memory */
|
|
|
1624 |
(*pbbox)->llx = (int)fllx;
|
|
|
1625 |
(*pbbox)->lly = (int)flly;
|
|
|
1626 |
(*pbbox)->urx = (int)(furx+0.999);
|
|
|
1627 |
(*pbbox)->ury = (int)(fury+0.999);
|
|
|
1628 |
}
|
|
|
1629 |
return CDSC_OK;
|
|
|
1630 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1631 |
return CDSC_OK;
|
|
|
1632 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1633 |
return CDSC_NOTDSC;
|
|
|
1634 |
}
|
|
|
1635 |
}
|
|
|
1636 |
}
|
|
|
1637 |
return CDSC_OK;
|
|
|
1638 |
}
|
|
|
1639 |
|
|
|
1640 |
dsc_private int
|
|
|
1641 |
dsc_parse_float_bounding_box(CDSC *dsc, CDSCFBBOX** pbbox, int offset)
|
|
|
1642 |
{
|
|
|
1643 |
unsigned int i, n;
|
|
|
1644 |
float fllx, flly, furx, fury;
|
|
|
1645 |
char *p;
|
|
|
1646 |
/* Process first %%HiResBoundingBox: or %%CropBox: in comments,
|
|
|
1647 |
* and last in trailer.
|
|
|
1648 |
*/
|
|
|
1649 |
if ((*pbbox != NULL) && (dsc->scan_section == scan_comments)) {
|
|
|
1650 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1651 |
dsc->line_length);
|
|
|
1652 |
switch (rc) {
|
|
|
1653 |
case CDSC_RESPONSE_OK:
|
|
|
1654 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1655 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1656 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1657 |
return CDSC_NOTDSC;
|
|
|
1658 |
}
|
|
|
1659 |
}
|
|
|
1660 |
if ((*pbbox != NULL) && (dsc->scan_section == scan_pages)) {
|
|
|
1661 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1662 |
dsc->line_length);
|
|
|
1663 |
switch (rc) {
|
|
|
1664 |
case CDSC_RESPONSE_OK:
|
|
|
1665 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1666 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1667 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1668 |
return CDSC_NOTDSC;
|
|
|
1669 |
}
|
|
|
1670 |
}
|
|
|
1671 |
if ((*pbbox != NULL) && (dsc->scan_section == scan_trailer)) {
|
|
|
1672 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line,
|
|
|
1673 |
dsc->line_length);
|
|
|
1674 |
switch (rc) {
|
|
|
1675 |
case CDSC_RESPONSE_OK:
|
|
|
1676 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1677 |
break; /* use duplicate comments in trailer */
|
|
|
1678 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1679 |
return CDSC_NOTDSC;
|
|
|
1680 |
}
|
|
|
1681 |
}
|
|
|
1682 |
if (*pbbox != NULL) {
|
|
|
1683 |
dsc_memfree(dsc, *pbbox);
|
|
|
1684 |
*pbbox = NULL;
|
|
|
1685 |
}
|
|
|
1686 |
|
|
|
1687 |
/* should only process first %%BoundingBox: */
|
|
|
1688 |
|
|
|
1689 |
while (IS_WHITE(dsc->line[offset]))
|
|
|
1690 |
offset++;
|
|
|
1691 |
p = dsc->line + offset;
|
|
|
1692 |
|
|
|
1693 |
if (COMPARE(p, "atend")) {
|
|
|
1694 |
if (dsc->scan_section == scan_trailer)
|
|
|
1695 |
dsc_unknown(dsc);
|
|
|
1696 |
else {
|
|
|
1697 |
int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line,
|
|
|
1698 |
dsc->line_length);
|
|
|
1699 |
switch (rc) {
|
|
|
1700 |
case CDSC_RESPONSE_OK:
|
|
|
1701 |
/* assume (atend) */
|
|
|
1702 |
/* we should mark it as deferred */
|
|
|
1703 |
break;
|
|
|
1704 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1705 |
/* ignore it */
|
|
|
1706 |
break;
|
|
|
1707 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1708 |
return CDSC_NOTDSC;
|
|
|
1709 |
}
|
|
|
1710 |
}
|
|
|
1711 |
}
|
|
|
1712 |
else if (COMPARE(p, "(atend)")) {
|
|
|
1713 |
if (dsc->scan_section == scan_trailer)
|
|
|
1714 |
dsc_unknown(dsc);
|
|
|
1715 |
/* do nothing */
|
|
|
1716 |
/* we should mark it as deferred */
|
|
|
1717 |
}
|
|
|
1718 |
else {
|
|
|
1719 |
/* fllx = */ flly = furx = fury = 0.0;
|
|
|
1720 |
n = offset;
|
|
|
1721 |
fllx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1722 |
n += i;
|
|
|
1723 |
if (i)
|
|
|
1724 |
flly = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1725 |
n += i;
|
|
|
1726 |
if (i)
|
|
|
1727 |
furx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1728 |
n += i;
|
|
|
1729 |
if (i)
|
|
|
1730 |
fury = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1731 |
if (i) {
|
|
|
1732 |
*pbbox = (CDSCFBBOX *)dsc_memalloc(dsc, sizeof(CDSCFBBOX));
|
|
|
1733 |
if (*pbbox == NULL)
|
|
|
1734 |
return CDSC_ERROR; /* no memory */
|
|
|
1735 |
(*pbbox)->fllx = fllx;
|
|
|
1736 |
(*pbbox)->flly = flly;
|
|
|
1737 |
(*pbbox)->furx = furx;
|
|
|
1738 |
(*pbbox)->fury = fury;
|
|
|
1739 |
}
|
|
|
1740 |
}
|
|
|
1741 |
return CDSC_OK;
|
|
|
1742 |
}
|
|
|
1743 |
|
|
|
1744 |
dsc_private int
|
|
|
1745 |
dsc_parse_orientation(CDSC *dsc, unsigned int *porientation, int offset)
|
|
|
1746 |
{
|
|
|
1747 |
char *p;
|
|
|
1748 |
if ((dsc->page_orientation != CDSC_ORIENT_UNKNOWN) &&
|
|
|
1749 |
(dsc->scan_section == scan_comments)) {
|
|
|
1750 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1751 |
dsc->line_length);
|
|
|
1752 |
switch (rc) {
|
|
|
1753 |
case CDSC_RESPONSE_OK:
|
|
|
1754 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1755 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1756 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1757 |
return CDSC_NOTDSC;
|
|
|
1758 |
}
|
|
|
1759 |
}
|
|
|
1760 |
if ((dsc->page_orientation != CDSC_ORIENT_UNKNOWN) &&
|
|
|
1761 |
(dsc->scan_section == scan_trailer)) {
|
|
|
1762 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line,
|
|
|
1763 |
dsc->line_length);
|
|
|
1764 |
switch (rc) {
|
|
|
1765 |
case CDSC_RESPONSE_OK:
|
|
|
1766 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1767 |
break; /* use duplicate comments in header; */
|
|
|
1768 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1769 |
return CDSC_NOTDSC;
|
|
|
1770 |
}
|
|
|
1771 |
}
|
|
|
1772 |
p = dsc->line + offset;
|
|
|
1773 |
while (IS_WHITE(*p))
|
|
|
1774 |
p++;
|
|
|
1775 |
if (COMPARE(p, "atend")) {
|
|
|
1776 |
if (dsc->scan_section == scan_trailer)
|
|
|
1777 |
dsc_unknown(dsc);
|
|
|
1778 |
else {
|
|
|
1779 |
int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND,
|
|
|
1780 |
dsc->line, dsc->line_length);
|
|
|
1781 |
switch (rc) {
|
|
|
1782 |
case CDSC_RESPONSE_OK:
|
|
|
1783 |
/* assume (atend) */
|
|
|
1784 |
/* we should mark it as deferred */
|
|
|
1785 |
break;
|
|
|
1786 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1787 |
/* ignore it */
|
|
|
1788 |
break;
|
|
|
1789 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1790 |
return CDSC_NOTDSC;
|
|
|
1791 |
}
|
|
|
1792 |
}
|
|
|
1793 |
}
|
|
|
1794 |
else if (COMPARE(p, "(atend)")) {
|
|
|
1795 |
if (dsc->scan_section == scan_trailer)
|
|
|
1796 |
dsc_unknown(dsc);
|
|
|
1797 |
/* do nothing */
|
|
|
1798 |
/* we should mark it as deferred */
|
|
|
1799 |
}
|
|
|
1800 |
else if (COMPARE(p, "Portrait")) {
|
|
|
1801 |
*porientation = CDSC_PORTRAIT;
|
|
|
1802 |
}
|
|
|
1803 |
else if (COMPARE(p, "Landscape")) {
|
|
|
1804 |
*porientation = CDSC_LANDSCAPE;
|
|
|
1805 |
}
|
|
|
1806 |
else {
|
|
|
1807 |
dsc_unknown(dsc);
|
|
|
1808 |
}
|
|
|
1809 |
return CDSC_OK;
|
|
|
1810 |
}
|
|
|
1811 |
|
|
|
1812 |
dsc_private int
|
|
|
1813 |
dsc_parse_order(CDSC *dsc)
|
|
|
1814 |
{
|
|
|
1815 |
char *p;
|
|
|
1816 |
if ((dsc->page_order != CDSC_ORDER_UNKNOWN) &&
|
|
|
1817 |
(dsc->scan_section == scan_comments)) {
|
|
|
1818 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_COMMENT, dsc->line,
|
|
|
1819 |
dsc->line_length);
|
|
|
1820 |
switch (rc) {
|
|
|
1821 |
case CDSC_RESPONSE_OK:
|
|
|
1822 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1823 |
return CDSC_OK; /* ignore duplicate comments in header */
|
|
|
1824 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1825 |
return CDSC_NOTDSC;
|
|
|
1826 |
}
|
|
|
1827 |
}
|
|
|
1828 |
if ((dsc->page_order != CDSC_ORDER_UNKNOWN) &&
|
|
|
1829 |
(dsc->scan_section == scan_trailer)) {
|
|
|
1830 |
int rc = dsc_error(dsc, CDSC_MESSAGE_DUP_TRAILER, dsc->line,
|
|
|
1831 |
dsc->line_length);
|
|
|
1832 |
switch (rc) {
|
|
|
1833 |
case CDSC_RESPONSE_OK:
|
|
|
1834 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1835 |
break; /* use duplicate comments in trailer */
|
|
|
1836 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1837 |
return CDSC_NOTDSC;
|
|
|
1838 |
}
|
|
|
1839 |
}
|
|
|
1840 |
|
|
|
1841 |
p = dsc->line + (IS_DSC(dsc->line, "%%+") ? 3 : 13);
|
|
|
1842 |
while (IS_WHITE(*p))
|
|
|
1843 |
p++;
|
|
|
1844 |
if (COMPARE(p, "atend")) {
|
|
|
1845 |
if (dsc->scan_section == scan_trailer)
|
|
|
1846 |
dsc_unknown(dsc);
|
|
|
1847 |
else {
|
|
|
1848 |
int rc = dsc_error(dsc, CDSC_MESSAGE_ATEND, dsc->line,
|
|
|
1849 |
dsc->line_length);
|
|
|
1850 |
switch (rc) {
|
|
|
1851 |
case CDSC_RESPONSE_OK:
|
|
|
1852 |
/* assume (atend) */
|
|
|
1853 |
/* we should mark it as deferred */
|
|
|
1854 |
break;
|
|
|
1855 |
case CDSC_RESPONSE_CANCEL:
|
|
|
1856 |
/* ignore it */
|
|
|
1857 |
break;
|
|
|
1858 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
1859 |
return CDSC_NOTDSC;
|
|
|
1860 |
}
|
|
|
1861 |
}
|
|
|
1862 |
}
|
|
|
1863 |
else if (COMPARE(p, "(atend)")) {
|
|
|
1864 |
if (dsc->scan_section == scan_trailer)
|
|
|
1865 |
dsc_unknown(dsc);
|
|
|
1866 |
/* do nothing */
|
|
|
1867 |
/* we should mark it as deferred */
|
|
|
1868 |
}
|
|
|
1869 |
else if (COMPARE(p, "Ascend")) {
|
|
|
1870 |
dsc->page_order = CDSC_ASCEND;
|
|
|
1871 |
}
|
|
|
1872 |
else if (COMPARE(p, "Descend")) {
|
|
|
1873 |
dsc->page_order = CDSC_DESCEND;
|
|
|
1874 |
}
|
|
|
1875 |
else if (COMPARE(p, "Special")) {
|
|
|
1876 |
dsc->page_order = CDSC_SPECIAL;
|
|
|
1877 |
}
|
|
|
1878 |
else {
|
|
|
1879 |
dsc_unknown(dsc);
|
|
|
1880 |
}
|
|
|
1881 |
return CDSC_OK;
|
|
|
1882 |
}
|
|
|
1883 |
|
|
|
1884 |
|
|
|
1885 |
dsc_private int
|
|
|
1886 |
dsc_parse_media(CDSC *dsc, const CDSCMEDIA **page_media)
|
|
|
1887 |
{
|
|
|
1888 |
char media_name[MAXSTR];
|
|
|
1889 |
int n = IS_DSC(dsc->line, "%%+") ? 3 : 12; /* %%PageMedia: */
|
|
|
1890 |
unsigned int i;
|
|
|
1891 |
|
|
|
1892 |
if (dsc_copy_string(media_name, sizeof(media_name)-1,
|
|
|
1893 |
dsc->line+n, dsc->line_length-n, NULL)) {
|
|
|
1894 |
for (i=0; i<dsc->media_count; i++) {
|
|
|
1895 |
if (dsc->media[i]->name &&
|
|
|
1896 |
(dsc_stricmp(media_name, dsc->media[i]->name) == 0)) {
|
|
|
1897 |
*page_media = dsc->media[i];
|
|
|
1898 |
return CDSC_OK;
|
|
|
1899 |
}
|
|
|
1900 |
}
|
|
|
1901 |
}
|
|
|
1902 |
dsc_unknown(dsc);
|
|
|
1903 |
|
|
|
1904 |
return CDSC_OK;
|
|
|
1905 |
}
|
|
|
1906 |
|
|
|
1907 |
|
|
|
1908 |
dsc_private int
|
|
|
1909 |
dsc_parse_document_media(CDSC *dsc)
|
|
|
1910 |
{
|
|
|
1911 |
unsigned int i, n;
|
|
|
1912 |
CDSCMEDIA lmedia;
|
|
|
1913 |
GSBOOL blank_line;
|
|
|
1914 |
|
|
|
1915 |
if (IS_DSC(dsc->line, "%%DocumentMedia:"))
|
|
|
1916 |
n = 16;
|
|
|
1917 |
else if (IS_DSC(dsc->line, "%%+"))
|
|
|
1918 |
n = 3;
|
|
|
1919 |
else
|
|
|
1920 |
return CDSC_ERROR; /* error */
|
|
|
1921 |
|
|
|
1922 |
/* check for blank remainder of line */
|
|
|
1923 |
blank_line = TRUE;
|
|
|
1924 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
1925 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
1926 |
blank_line = FALSE;
|
|
|
1927 |
break;
|
|
|
1928 |
}
|
|
|
1929 |
}
|
|
|
1930 |
|
|
|
1931 |
if (!blank_line) {
|
|
|
1932 |
char name[MAXSTR];
|
|
|
1933 |
char colour[MAXSTR];
|
|
|
1934 |
char type[MAXSTR];
|
|
|
1935 |
lmedia.name = lmedia.colour = lmedia.type = (char *)NULL;
|
|
|
1936 |
lmedia.width = lmedia.height = lmedia.weight = 0;
|
|
|
1937 |
lmedia.mediabox = (CDSCBBOX *)NULL;
|
|
|
1938 |
lmedia.name = dsc_copy_string(name, sizeof(name),
|
|
|
1939 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
1940 |
n+=i;
|
|
|
1941 |
if (i)
|
|
|
1942 |
lmedia.width = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1943 |
n+=i;
|
|
|
1944 |
if (i)
|
|
|
1945 |
lmedia.height = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1946 |
n+=i;
|
|
|
1947 |
if (i)
|
|
|
1948 |
lmedia.weight = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1949 |
n+=i;
|
|
|
1950 |
if (i)
|
|
|
1951 |
lmedia.colour = dsc_copy_string(colour, sizeof(colour),
|
|
|
1952 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
1953 |
n+=i;
|
|
|
1954 |
if (i)
|
|
|
1955 |
lmedia.type = dsc_copy_string(type, sizeof(type),
|
|
|
1956 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
1957 |
|
|
|
1958 |
if (i==0)
|
|
|
1959 |
dsc_unknown(dsc); /* we didn't get all fields */
|
|
|
1960 |
else {
|
|
|
1961 |
if (dsc_add_media(dsc, &lmedia))
|
|
|
1962 |
return CDSC_ERROR; /* out of memory */
|
|
|
1963 |
}
|
|
|
1964 |
}
|
|
|
1965 |
return CDSC_OK;
|
|
|
1966 |
}
|
|
|
1967 |
|
|
|
1968 |
/* viewing orientation is believed to be the first four elements of
|
|
|
1969 |
* a CTM matrix
|
|
|
1970 |
*/
|
|
|
1971 |
dsc_private int
|
|
|
1972 |
dsc_parse_viewing_orientation(CDSC *dsc, CDSCCTM **pctm)
|
|
|
1973 |
{
|
|
|
1974 |
CDSCCTM ctm;
|
|
|
1975 |
unsigned int i, n;
|
|
|
1976 |
|
|
|
1977 |
if (*pctm != NULL) {
|
|
|
1978 |
dsc_memfree(dsc, *pctm);
|
|
|
1979 |
*pctm = NULL;
|
|
|
1980 |
}
|
|
|
1981 |
|
|
|
1982 |
n = IS_DSC(dsc->line, "%%+") ? 3 : 21; /* %%ViewingOrientation: */
|
|
|
1983 |
while (IS_WHITE(dsc->line[n]))
|
|
|
1984 |
n++;
|
|
|
1985 |
|
|
|
1986 |
/* ctm.xx = */ ctm.xy = ctm.yx = ctm.yy = 0.0;
|
|
|
1987 |
ctm.xx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1988 |
n += i;
|
|
|
1989 |
if (i)
|
|
|
1990 |
ctm.xy = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1991 |
n += i;
|
|
|
1992 |
if (i)
|
|
|
1993 |
ctm.yx = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1994 |
n += i;
|
|
|
1995 |
if (i)
|
|
|
1996 |
ctm.yy = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
1997 |
if (i==0) {
|
|
|
1998 |
dsc_unknown(dsc); /* we didn't get all fields */
|
|
|
1999 |
}
|
|
|
2000 |
else {
|
|
|
2001 |
*pctm = (CDSCCTM *)dsc_memalloc(dsc, sizeof(CDSCCTM));
|
|
|
2002 |
if (*pctm == NULL)
|
|
|
2003 |
return CDSC_ERROR; /* no memory */
|
|
|
2004 |
**pctm = ctm;
|
|
|
2005 |
}
|
|
|
2006 |
return CDSC_OK;
|
|
|
2007 |
}
|
|
|
2008 |
|
|
|
2009 |
|
|
|
2010 |
/* This is called before dsc_read_line(), since we may
|
|
|
2011 |
* need to skip a binary header which contains a new line
|
|
|
2012 |
* character
|
|
|
2013 |
*/
|
|
|
2014 |
dsc_private int
|
|
|
2015 |
dsc_scan_type(CDSC *dsc)
|
|
|
2016 |
{
|
|
|
2017 |
unsigned char *p;
|
|
|
2018 |
unsigned char *line = (unsigned char *)(dsc->data + dsc->data_index);
|
|
|
2019 |
int length = dsc->data_length - dsc->data_index;
|
|
|
2020 |
|
|
|
2021 |
/* Types that should be known:
|
|
|
2022 |
* DSC
|
|
|
2023 |
* EPSF
|
|
|
2024 |
* PJL + any of above
|
|
|
2025 |
* ^D + any of above
|
|
|
2026 |
* DOS EPS
|
|
|
2027 |
* PDF
|
|
|
2028 |
* non-DSC
|
|
|
2029 |
*/
|
|
|
2030 |
|
|
|
2031 |
/* First process any non PostScript headers */
|
|
|
2032 |
/* At this stage we do not have a complete line */
|
|
|
2033 |
|
|
|
2034 |
if (length == 0)
|
|
|
2035 |
return CDSC_NEEDMORE;
|
|
|
2036 |
|
|
|
2037 |
/* If we have already found a DOS EPS header, */
|
|
|
2038 |
/* ignore all until the PostScript section */
|
|
|
2039 |
if (dsc->skip_bytes) {
|
|
|
2040 |
int cnt = min(dsc->skip_bytes,
|
|
|
2041 |
(int)(dsc->data_length - dsc->data_index));
|
|
|
2042 |
dsc->skip_bytes -= cnt;
|
|
|
2043 |
dsc->data_index += cnt;
|
|
|
2044 |
length -= cnt;
|
|
|
2045 |
line += cnt;
|
|
|
2046 |
if (dsc->skip_bytes != 0)
|
|
|
2047 |
return CDSC_NEEDMORE;
|
|
|
2048 |
}
|
|
|
2049 |
|
|
|
2050 |
if (dsc->skip_pjl) {
|
|
|
2051 |
/* skip until first PostScript comment */
|
|
|
2052 |
while (length >= 2) {
|
|
|
2053 |
while (length && !IS_EOL(line[0])) {
|
|
|
2054 |
/* skip until EOL character */
|
|
|
2055 |
line++;
|
|
|
2056 |
dsc->data_index++;
|
|
|
2057 |
length--;
|
|
|
2058 |
}
|
|
|
2059 |
while ((length >= 2) && IS_EOL(line[0]) && IS_EOL(line[1])) {
|
|
|
2060 |
/* skip until EOL followed by non-EOL */
|
|
|
2061 |
line++;
|
|
|
2062 |
dsc->data_index++;
|
|
|
2063 |
length--;
|
|
|
2064 |
}
|
|
|
2065 |
if (length < 2)
|
|
|
2066 |
return CDSC_NEEDMORE;
|
|
|
2067 |
|
|
|
2068 |
if (IS_EOL(line[0]) && line[1]=='%') {
|
|
|
2069 |
line++;
|
|
|
2070 |
dsc->data_index++;
|
|
|
2071 |
length--;
|
|
|
2072 |
dsc->skip_pjl = FALSE;
|
|
|
2073 |
break;
|
|
|
2074 |
}
|
|
|
2075 |
else {
|
|
|
2076 |
line++;
|
|
|
2077 |
dsc->data_index++;
|
|
|
2078 |
length--;
|
|
|
2079 |
}
|
|
|
2080 |
}
|
|
|
2081 |
if (dsc->skip_pjl)
|
|
|
2082 |
return CDSC_NEEDMORE;
|
|
|
2083 |
}
|
|
|
2084 |
|
|
|
2085 |
if (length == 0)
|
|
|
2086 |
return CDSC_NEEDMORE;
|
|
|
2087 |
|
|
|
2088 |
if (line[0] == '\004') {
|
|
|
2089 |
line++;
|
|
|
2090 |
dsc->data_index++;
|
|
|
2091 |
length--;
|
|
|
2092 |
dsc->ctrld = TRUE;
|
|
|
2093 |
}
|
|
|
2094 |
|
|
|
2095 |
if (line[0] == '\033') {
|
|
|
2096 |
/* possibly PJL */
|
|
|
2097 |
if (length < 9)
|
|
|
2098 |
return CDSC_NEEDMORE;
|
|
|
2099 |
if (COMPARE(line, "\033%-12345X")) {
|
|
|
2100 |
dsc->skip_pjl = TRUE; /* skip until first PostScript comment */
|
|
|
2101 |
dsc->pjl = TRUE;
|
|
|
2102 |
dsc->data_index += 9;
|
|
|
2103 |
return dsc_scan_type(dsc);
|
|
|
2104 |
}
|
|
|
2105 |
}
|
|
|
2106 |
|
|
|
2107 |
if ((line[0]==0x0) && (length < 2))
|
|
|
2108 |
return CDSC_NEEDMORE; /* Could be Mac Binary EPSF */
|
|
|
2109 |
if ((line[0]==0x0) && (line[1] >= 1) && (line[1] <= 63) && (length < 128))
|
|
|
2110 |
return CDSC_NEEDMORE; /* Could be Mac Binary EPSF */
|
|
|
2111 |
if ((line[0]==0x0) && (line[1] == 0x5) && (length < 4))
|
|
|
2112 |
return CDSC_NEEDMORE; /* Could be Mac AppleSingle/AppleDouble */
|
|
|
2113 |
if ((line[0]==0xc5) && (length < 4))
|
|
|
2114 |
return CDSC_NEEDMORE; /* Could be DOS EPS */
|
|
|
2115 |
|
|
|
2116 |
if ((line[0]==0xc5) && (line[1]==0xd0) &&
|
|
|
2117 |
(line[2]==0xd3) && (line[3]==0xc6) ) {
|
|
|
2118 |
/* id is "EPSF" with bit 7 set */
|
|
|
2119 |
/* read DOS EPS header, then ignore all bytes until the PS section */
|
|
|
2120 |
if (length < 30)
|
|
|
2121 |
return CDSC_NEEDMORE;
|
|
|
2122 |
dsc->line = (char *)line;
|
|
|
2123 |
if (dsc_read_doseps(dsc))
|
|
|
2124 |
return CDSC_ERROR;
|
|
|
2125 |
}
|
|
|
2126 |
else if ((line[0]==0x0) && (line[1]==0x05) &&
|
|
|
2127 |
(line[2]==0x16) && ((line[3]==0x0) || (line[3] == 0x07))) {
|
|
|
2128 |
/* Mac AppleSingle or AppleDouble */
|
|
|
2129 |
GSDWORD version;
|
|
|
2130 |
GSWORD entries;
|
|
|
2131 |
if (length < 26)
|
|
|
2132 |
return CDSC_NEEDMORE;
|
|
|
2133 |
version = dsc_get_bigendian_dword(line+4);
|
|
|
2134 |
entries = dsc_get_bigendian_word(line+24);
|
|
|
2135 |
if ((version == 0x00010000) || (version == 0x00020000)) {
|
|
|
2136 |
if (length < (int)(26 + entries * 12))
|
|
|
2137 |
return CDSC_NEEDMORE;
|
|
|
2138 |
dsc->line = (char *)line;
|
|
|
2139 |
if (dsc_read_applesingle(dsc))
|
|
|
2140 |
return CDSC_ERROR;
|
|
|
2141 |
}
|
|
|
2142 |
}
|
|
|
2143 |
else if ((line[0]==0x0) &&
|
|
|
2144 |
(line[1] >= 1) && (line[1] <= 63) &&
|
|
|
2145 |
(line[74]==0x0) &&
|
|
|
2146 |
(line[65]=='E') && (line[66]=='P') &&
|
|
|
2147 |
(line[67]=='S') && (line[68]=='F')) {
|
|
|
2148 |
/* Mac Binary EPSF */
|
|
|
2149 |
dsc->line = (char *)line;
|
|
|
2150 |
if (dsc_read_macbin(dsc))
|
|
|
2151 |
return CDSC_ERROR;
|
|
|
2152 |
}
|
|
|
2153 |
else {
|
|
|
2154 |
if (length < 2)
|
|
|
2155 |
return CDSC_NEEDMORE;
|
|
|
2156 |
if ((line[0] == '%') && (line[1] == 'P')) {
|
|
|
2157 |
if (length < 5)
|
|
|
2158 |
return CDSC_NEEDMORE;
|
|
|
2159 |
if (COMPARE(line, "%PDF-")) {
|
|
|
2160 |
dsc->pdf = TRUE;
|
|
|
2161 |
dsc->scan_section = scan_comments;
|
|
|
2162 |
return CDSC_OK;
|
|
|
2163 |
}
|
|
|
2164 |
}
|
|
|
2165 |
}
|
|
|
2166 |
|
|
|
2167 |
/* Finally process PostScript headers */
|
|
|
2168 |
|
|
|
2169 |
if (dsc_read_line(dsc) <= 0)
|
|
|
2170 |
return CDSC_NEEDMORE;
|
|
|
2171 |
|
|
|
2172 |
dsc->dsc_version = dsc_add_line(dsc, dsc->line, dsc->line_length);
|
|
|
2173 |
if (COMPARE(dsc->line, "%!PS-Adobe")) {
|
|
|
2174 |
dsc->dsc = TRUE;
|
|
|
2175 |
dsc->begincomments = DSC_START(dsc);
|
|
|
2176 |
if (dsc->dsc_version == NULL)
|
|
|
2177 |
return CDSC_ERROR; /* no memory */
|
|
|
2178 |
p = (unsigned char *)dsc->line + 14;
|
|
|
2179 |
while (IS_WHITE(*p))
|
|
|
2180 |
p++;
|
|
|
2181 |
if (COMPARE(p, "EPSF-"))
|
|
|
2182 |
dsc->epsf = TRUE;
|
|
|
2183 |
dsc->scan_section = scan_comments;
|
|
|
2184 |
return CDSC_PSADOBE;
|
|
|
2185 |
}
|
|
|
2186 |
if (COMPARE(dsc->line, "%!")) {
|
|
|
2187 |
dsc->scan_section = scan_comments;
|
|
|
2188 |
return CDSC_NOTDSC;
|
|
|
2189 |
}
|
|
|
2190 |
|
|
|
2191 |
dsc->scan_section = scan_comments;
|
|
|
2192 |
return CDSC_NOTDSC; /* unrecognised */
|
|
|
2193 |
}
|
|
|
2194 |
|
|
|
2195 |
|
|
|
2196 |
|
|
|
2197 |
dsc_private int
|
|
|
2198 |
dsc_scan_comments(CDSC *dsc)
|
|
|
2199 |
{
|
|
|
2200 |
/* Comments section ends at */
|
|
|
2201 |
/* %%EndComments */
|
|
|
2202 |
/* another section */
|
|
|
2203 |
/* line that does not start with %% */
|
|
|
2204 |
/* Save a few important lines */
|
|
|
2205 |
|
|
|
2206 |
char *line = dsc->line;
|
|
|
2207 |
GSBOOL continued = FALSE;
|
|
|
2208 |
dsc->id = CDSC_OK;
|
|
|
2209 |
if (IS_DSC(line, "%%EndComments")) {
|
|
|
2210 |
dsc->id = CDSC_ENDCOMMENTS;
|
|
|
2211 |
dsc->endcomments = DSC_END(dsc);
|
|
|
2212 |
dsc->scan_section = scan_pre_preview;
|
|
|
2213 |
return CDSC_OK;
|
|
|
2214 |
}
|
|
|
2215 |
else if (IS_DSC(line, "%%BeginComments")) {
|
|
|
2216 |
/* ignore because we are in this section */
|
|
|
2217 |
dsc->id = CDSC_BEGINCOMMENTS;
|
|
|
2218 |
}
|
|
|
2219 |
else if (dsc_is_section(line)) {
|
|
|
2220 |
dsc->endcomments = DSC_START(dsc);
|
|
|
2221 |
dsc->scan_section = scan_pre_preview;
|
|
|
2222 |
return CDSC_PROPAGATE;
|
|
|
2223 |
}
|
|
|
2224 |
else if (line[0] == '%' && IS_WHITE_OR_EOL(line[1])) {
|
|
|
2225 |
dsc->endcomments = DSC_START(dsc);
|
|
|
2226 |
dsc->scan_section = scan_pre_preview;
|
|
|
2227 |
return CDSC_PROPAGATE;
|
|
|
2228 |
}
|
|
|
2229 |
else if (line[0] != '%') {
|
|
|
2230 |
dsc->id = CDSC_OK;
|
|
|
2231 |
dsc->endcomments = DSC_START(dsc);
|
|
|
2232 |
dsc->scan_section = scan_pre_preview;
|
|
|
2233 |
return CDSC_PROPAGATE;
|
|
|
2234 |
}
|
|
|
2235 |
else if (IS_DSC(line, "%%Begin")) {
|
|
|
2236 |
dsc->endcomments = DSC_START(dsc);
|
|
|
2237 |
dsc->scan_section = scan_pre_preview;
|
|
|
2238 |
return CDSC_PROPAGATE;
|
|
|
2239 |
}
|
|
|
2240 |
|
|
|
2241 |
/* Handle continuation lines.
|
|
|
2242 |
* To simply processing, we assume that contination lines
|
|
|
2243 |
* will only occur if repeat parameters are allowed and that
|
|
|
2244 |
* a complete set of these parameters appears on each line.
|
|
|
2245 |
* This is more restrictive than the DSC specification, but
|
|
|
2246 |
* is valid for the DSC comments understood by this parser
|
|
|
2247 |
* for all documents that we have seen.
|
|
|
2248 |
*/
|
|
|
2249 |
if (IS_DSC(line, "%%+")) {
|
|
|
2250 |
line = dsc->last_line;
|
|
|
2251 |
continued = TRUE;
|
|
|
2252 |
}
|
|
|
2253 |
else
|
|
|
2254 |
dsc_save_line(dsc);
|
|
|
2255 |
|
|
|
2256 |
if (IS_DSC(line, "%%Pages:")) {
|
|
|
2257 |
dsc->id = CDSC_PAGES;
|
|
|
2258 |
if (dsc_parse_pages(dsc) != 0)
|
|
|
2259 |
return CDSC_ERROR;
|
|
|
2260 |
}
|
|
|
2261 |
else if (IS_DSC(line, "%%Creator:")) {
|
|
|
2262 |
dsc->id = CDSC_CREATOR;
|
|
|
2263 |
dsc->dsc_creator = dsc_add_line(dsc, dsc->line+10, dsc->line_length-10);
|
|
|
2264 |
if (dsc->dsc_creator==NULL)
|
|
|
2265 |
return CDSC_ERROR;
|
|
|
2266 |
}
|
|
|
2267 |
else if (IS_DSC(line, "%%CreationDate:")) {
|
|
|
2268 |
dsc->id = CDSC_CREATIONDATE;
|
|
|
2269 |
dsc->dsc_date = dsc_add_line(dsc, dsc->line+15, dsc->line_length-15);
|
|
|
2270 |
if (dsc->dsc_date==NULL)
|
|
|
2271 |
return CDSC_ERROR;
|
|
|
2272 |
}
|
|
|
2273 |
else if (IS_DSC(line, "%%Title:")) {
|
|
|
2274 |
dsc->id = CDSC_TITLE;
|
|
|
2275 |
dsc->dsc_title = dsc_add_line(dsc, dsc->line+8, dsc->line_length-8);
|
|
|
2276 |
if (dsc->dsc_title==NULL)
|
|
|
2277 |
return CDSC_ERROR;
|
|
|
2278 |
}
|
|
|
2279 |
else if (IS_DSC(line, "%%For:")) {
|
|
|
2280 |
dsc->id = CDSC_FOR;
|
|
|
2281 |
dsc->dsc_for = dsc_add_line(dsc, dsc->line+6, dsc->line_length-6);
|
|
|
2282 |
if (dsc->dsc_for==NULL)
|
|
|
2283 |
return CDSC_ERROR;
|
|
|
2284 |
}
|
|
|
2285 |
else if (IS_DSC(line, "%%LanguageLevel:")) {
|
|
|
2286 |
unsigned int n = continued ? 3 : 16;
|
|
|
2287 |
unsigned int i;
|
|
|
2288 |
int ll;
|
|
|
2289 |
dsc->id = CDSC_LANGUAGELEVEL;
|
|
|
2290 |
ll = dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
2291 |
if (i) {
|
|
|
2292 |
if ( (ll==1) || (ll==2) || (ll==3) )
|
|
|
2293 |
dsc->language_level = ll;
|
|
|
2294 |
else {
|
|
|
2295 |
dsc_unknown(dsc);
|
|
|
2296 |
}
|
|
|
2297 |
}
|
|
|
2298 |
else
|
|
|
2299 |
dsc_unknown(dsc);
|
|
|
2300 |
}
|
|
|
2301 |
else if (IS_DSC(line, "%%BoundingBox:")) {
|
|
|
2302 |
dsc->id = CDSC_BOUNDINGBOX;
|
|
|
2303 |
if (dsc_parse_bounding_box(dsc, &(dsc->bbox), continued ? 3 : 14))
|
|
|
2304 |
return CDSC_ERROR;
|
|
|
2305 |
}
|
|
|
2306 |
else if (IS_DSC(line, "%%HiResBoundingBox:")) {
|
|
|
2307 |
dsc->id = CDSC_HIRESBOUNDINGBOX;
|
|
|
2308 |
if (dsc_parse_float_bounding_box(dsc, &(dsc->hires_bbox),
|
|
|
2309 |
continued ? 3 : 19))
|
|
|
2310 |
return CDSC_ERROR;
|
|
|
2311 |
}
|
|
|
2312 |
else if (IS_DSC(line, "%%CropBox:")) {
|
|
|
2313 |
dsc->id = CDSC_CROPBOX;
|
|
|
2314 |
if (dsc_parse_float_bounding_box(dsc, &(dsc->crop_box),
|
|
|
2315 |
continued ? 3 : 10))
|
|
|
2316 |
return CDSC_ERROR;
|
|
|
2317 |
}
|
|
|
2318 |
else if (IS_DSC(line, "%%Orientation:")) {
|
|
|
2319 |
dsc->id = CDSC_ORIENTATION;
|
|
|
2320 |
if (dsc_parse_orientation(dsc, &(dsc->page_orientation),
|
|
|
2321 |
continued ? 3 : 14))
|
|
|
2322 |
return CDSC_ERROR;
|
|
|
2323 |
}
|
|
|
2324 |
else if (IS_DSC(line, "%%PageOrder:")) {
|
|
|
2325 |
dsc->id = CDSC_PAGEORDER;
|
|
|
2326 |
if (dsc_parse_order(dsc))
|
|
|
2327 |
return CDSC_ERROR;
|
|
|
2328 |
}
|
|
|
2329 |
else if (IS_DSC(line, "%%DocumentMedia:")) {
|
|
|
2330 |
dsc->id = CDSC_DOCUMENTMEDIA;
|
|
|
2331 |
if (dsc_parse_document_media(dsc))
|
|
|
2332 |
return CDSC_ERROR;
|
|
|
2333 |
}
|
|
|
2334 |
else if (IS_DSC(line, "%%DocumentPaperSizes:")) {
|
|
|
2335 |
/* DSC 2.1 */
|
|
|
2336 |
unsigned int n = continued ? 3 : 21;
|
|
|
2337 |
unsigned int count = 0;
|
|
|
2338 |
unsigned int i = 1;
|
|
|
2339 |
char name[MAXSTR];
|
|
|
2340 |
char *p;
|
|
|
2341 |
dsc->id = CDSC_DOCUMENTPAPERSIZES;
|
|
|
2342 |
while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
|
|
|
2343 |
p = dsc_copy_string(name, sizeof(name)-1,
|
|
|
2344 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
2345 |
if (i && p) {
|
|
|
2346 |
const CDSCMEDIA *m = dsc_known_media;
|
|
|
2347 |
if (count >= dsc->media_count) {
|
|
|
2348 |
/* set some default values */
|
|
|
2349 |
CDSCMEDIA lmedia;
|
|
|
2350 |
lmedia.name = p;
|
|
|
2351 |
lmedia.width = 595.0;
|
|
|
2352 |
lmedia.height = 842.0;
|
|
|
2353 |
lmedia.weight = 80.0;
|
|
|
2354 |
lmedia.colour = NULL;
|
|
|
2355 |
lmedia.type = NULL;
|
|
|
2356 |
lmedia.mediabox = NULL;
|
|
|
2357 |
if (dsc_add_media(dsc, &lmedia))
|
|
|
2358 |
return CDSC_ERROR;
|
|
|
2359 |
}
|
|
|
2360 |
else
|
|
|
2361 |
dsc->media[count]->name =
|
|
|
2362 |
dsc_alloc_string(dsc, p, (int)strlen(p));
|
|
|
2363 |
/* find in list of known media */
|
|
|
2364 |
while (m && m->name) {
|
|
|
2365 |
if (dsc_stricmp(p, m->name)==0) {
|
|
|
2366 |
dsc->media[count]->width = m->width;
|
|
|
2367 |
dsc->media[count]->height = m->height;
|
|
|
2368 |
break;
|
|
|
2369 |
}
|
|
|
2370 |
m++;
|
|
|
2371 |
}
|
|
|
2372 |
}
|
|
|
2373 |
n+=i;
|
|
|
2374 |
count++;
|
|
|
2375 |
}
|
|
|
2376 |
}
|
|
|
2377 |
else if (IS_DSC(line, "%%DocumentPaperForms:")) {
|
|
|
2378 |
/* DSC 2.1 */
|
|
|
2379 |
unsigned int n = continued ? 3 : 21;
|
|
|
2380 |
unsigned int count = 0;
|
|
|
2381 |
unsigned int i = 1;
|
|
|
2382 |
char type[MAXSTR];
|
|
|
2383 |
char *p;
|
|
|
2384 |
dsc->id = CDSC_DOCUMENTPAPERFORMS;
|
|
|
2385 |
while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
|
|
|
2386 |
p = dsc_copy_string(type, sizeof(type)-1,
|
|
|
2387 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
2388 |
if (i && p) {
|
|
|
2389 |
if (count >= dsc->media_count) {
|
|
|
2390 |
/* set some default values */
|
|
|
2391 |
CDSCMEDIA lmedia;
|
|
|
2392 |
lmedia.name = NULL;
|
|
|
2393 |
lmedia.width = 595.0;
|
|
|
2394 |
lmedia.height = 842.0;
|
|
|
2395 |
lmedia.weight = 80.0;
|
|
|
2396 |
lmedia.colour = NULL;
|
|
|
2397 |
lmedia.type = p;
|
|
|
2398 |
lmedia.mediabox = NULL;
|
|
|
2399 |
if (dsc_add_media(dsc, &lmedia))
|
|
|
2400 |
return CDSC_ERROR;
|
|
|
2401 |
}
|
|
|
2402 |
else
|
|
|
2403 |
dsc->media[count]->type =
|
|
|
2404 |
dsc_alloc_string(dsc, p, (int)strlen(p));
|
|
|
2405 |
}
|
|
|
2406 |
n+=i;
|
|
|
2407 |
count++;
|
|
|
2408 |
}
|
|
|
2409 |
}
|
|
|
2410 |
else if (IS_DSC(line, "%%DocumentPaperColors:")) {
|
|
|
2411 |
/* DSC 2.1 */
|
|
|
2412 |
unsigned int n = continued ? 3 : 22;
|
|
|
2413 |
unsigned int count = 0;
|
|
|
2414 |
unsigned int i = 1;
|
|
|
2415 |
char colour[MAXSTR];
|
|
|
2416 |
char *p;
|
|
|
2417 |
dsc->id = CDSC_DOCUMENTPAPERCOLORS;
|
|
|
2418 |
while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
|
|
|
2419 |
p = dsc_copy_string(colour, sizeof(colour)-1,
|
|
|
2420 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
2421 |
if (i && p) {
|
|
|
2422 |
if (count >= dsc->media_count) {
|
|
|
2423 |
/* set some default values */
|
|
|
2424 |
CDSCMEDIA lmedia;
|
|
|
2425 |
lmedia.name = NULL;
|
|
|
2426 |
lmedia.width = 595.0;
|
|
|
2427 |
lmedia.height = 842.0;
|
|
|
2428 |
lmedia.weight = 80.0;
|
|
|
2429 |
lmedia.colour = p;
|
|
|
2430 |
lmedia.type = NULL;
|
|
|
2431 |
lmedia.mediabox = NULL;
|
|
|
2432 |
if (dsc_add_media(dsc, &lmedia))
|
|
|
2433 |
return CDSC_ERROR;
|
|
|
2434 |
}
|
|
|
2435 |
else
|
|
|
2436 |
dsc->media[count]->colour =
|
|
|
2437 |
dsc_alloc_string(dsc, p, (int)strlen(p));
|
|
|
2438 |
}
|
|
|
2439 |
n+=i;
|
|
|
2440 |
count++;
|
|
|
2441 |
}
|
|
|
2442 |
}
|
|
|
2443 |
else if (IS_DSC(line, "%%DocumentPaperWeights:")) {
|
|
|
2444 |
/* DSC 2.1 */
|
|
|
2445 |
unsigned int n = continued ? 3 : 23;
|
|
|
2446 |
unsigned int count = 0;
|
|
|
2447 |
unsigned int i = 1;
|
|
|
2448 |
float w;
|
|
|
2449 |
dsc->id = CDSC_DOCUMENTPAPERWEIGHTS;
|
|
|
2450 |
while (i && (dsc->line[n]!='\r') && (dsc->line[n]!='\n')) {
|
|
|
2451 |
w = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
2452 |
if (i) {
|
|
|
2453 |
if (count >= dsc->media_count) {
|
|
|
2454 |
/* set some default values */
|
|
|
2455 |
CDSCMEDIA lmedia;
|
|
|
2456 |
lmedia.name = NULL;
|
|
|
2457 |
lmedia.width = 595.0;
|
|
|
2458 |
lmedia.height = 842.0;
|
|
|
2459 |
lmedia.weight = w;
|
|
|
2460 |
lmedia.colour = NULL;
|
|
|
2461 |
lmedia.type = NULL;
|
|
|
2462 |
lmedia.mediabox = NULL;
|
|
|
2463 |
if (dsc_add_media(dsc, &lmedia))
|
|
|
2464 |
return CDSC_ERROR;
|
|
|
2465 |
}
|
|
|
2466 |
else
|
|
|
2467 |
dsc->media[count]->weight = w;
|
|
|
2468 |
}
|
|
|
2469 |
n+=i;
|
|
|
2470 |
count++;
|
|
|
2471 |
}
|
|
|
2472 |
}
|
|
|
2473 |
else if (IS_DSC(line, "%%DocumentData:")) {
|
|
|
2474 |
unsigned int n = continued ? 3 : 15;
|
|
|
2475 |
char *p = dsc->line + n;
|
|
|
2476 |
while (IS_WHITE(*p))
|
|
|
2477 |
p++;
|
|
|
2478 |
dsc->id = CDSC_DOCUMENTDATA;
|
|
|
2479 |
if (COMPARE(p, "Clean7Bit"))
|
|
|
2480 |
dsc->document_data = CDSC_CLEAN7BIT;
|
|
|
2481 |
else if (COMPARE(p, "Clean8Bit"))
|
|
|
2482 |
dsc->document_data = CDSC_CLEAN8BIT;
|
|
|
2483 |
else if (COMPARE(p, "Binary"))
|
|
|
2484 |
dsc->document_data = CDSC_BINARY;
|
|
|
2485 |
else
|
|
|
2486 |
dsc_unknown(dsc);
|
|
|
2487 |
}
|
|
|
2488 |
else if (IS_DSC(line, "%%Requirements:")) {
|
|
|
2489 |
dsc->id = CDSC_REQUIREMENTS;
|
|
|
2490 |
/* ignore */
|
|
|
2491 |
}
|
|
|
2492 |
else if (IS_DSC(line, "%%DocumentNeededFonts:")) {
|
|
|
2493 |
dsc->id = CDSC_DOCUMENTNEEDEDFONTS;
|
|
|
2494 |
/* ignore */
|
|
|
2495 |
}
|
|
|
2496 |
else if (IS_DSC(line, "%%DocumentSuppliedFonts:")) {
|
|
|
2497 |
dsc->id = CDSC_DOCUMENTSUPPLIEDFONTS;
|
|
|
2498 |
/* ignore */
|
|
|
2499 |
}
|
|
|
2500 |
else if (IS_DSC(line, "%%PlateFile:")) {
|
|
|
2501 |
dsc->id = CDSC_PLATEFILE;
|
|
|
2502 |
if (dsc_parse_platefile(dsc) != CDSC_OK)
|
|
|
2503 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2504 |
}
|
|
|
2505 |
else if (IS_DSC(line, "%%CyanPlate:") ||
|
|
|
2506 |
IS_DSC(line, "%%MagentaPlate:") ||
|
|
|
2507 |
IS_DSC(line, "%%YellowPlate:") ||
|
|
|
2508 |
IS_DSC(line, "%%BlackPlate:")) {
|
|
|
2509 |
dsc->id = CDSC_PLATEFILE;
|
|
|
2510 |
if (dsc_parse_dcs1plate(dsc) != CDSC_OK)
|
|
|
2511 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2512 |
}
|
|
|
2513 |
else if (IS_DSC(line, "%%DocumentProcessColors:")) {
|
|
|
2514 |
dsc->id = CDSC_DOCUMENTPROCESSCOLORS;
|
|
|
2515 |
if (dsc_parse_process_colours(dsc) != CDSC_OK)
|
|
|
2516 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2517 |
}
|
|
|
2518 |
else if (IS_DSC(line, "%%DocumentCustomColors:")) {
|
|
|
2519 |
dsc->id = CDSC_DOCUMENTCUSTOMCOLORS;
|
|
|
2520 |
if (dsc_parse_custom_colours(dsc) != CDSC_OK)
|
|
|
2521 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2522 |
}
|
|
|
2523 |
else if (IS_DSC(line, "%%CMYKCustomColor:")) {
|
|
|
2524 |
dsc->id = CDSC_CMYKCUSTOMCOLOR;
|
|
|
2525 |
if (dsc_parse_cmyk_custom_colour(dsc) != CDSC_OK)
|
|
|
2526 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2527 |
}
|
|
|
2528 |
else if (IS_DSC(line, "%%RGBCustomColor:")) {
|
|
|
2529 |
dsc->id = CDSC_RGBCUSTOMCOLOR;
|
|
|
2530 |
if (dsc_parse_rgb_custom_colour(dsc) != CDSC_OK)
|
|
|
2531 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2532 |
}
|
|
|
2533 |
else if (dsc->line[0] == '%' && IS_WHITE_OR_EOL(dsc->line[1])) {
|
|
|
2534 |
dsc->id = CDSC_OK;
|
|
|
2535 |
/* ignore */
|
|
|
2536 |
}
|
|
|
2537 |
else {
|
|
|
2538 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2539 |
dsc_unknown(dsc);
|
|
|
2540 |
}
|
|
|
2541 |
|
|
|
2542 |
dsc->endcomments = DSC_END(dsc);
|
|
|
2543 |
return CDSC_OK;
|
|
|
2544 |
}
|
|
|
2545 |
|
|
|
2546 |
|
|
|
2547 |
dsc_private int
|
|
|
2548 |
dsc_scan_preview(CDSC *dsc)
|
|
|
2549 |
{
|
|
|
2550 |
/* Preview section ends at */
|
|
|
2551 |
/* %%EndPreview */
|
|
|
2552 |
/* another section */
|
|
|
2553 |
/* Preview section must start with %%BeginPreview */
|
|
|
2554 |
char *line = dsc->line;
|
|
|
2555 |
dsc->id = CDSC_OK;
|
|
|
2556 |
|
|
|
2557 |
if (dsc->scan_section == scan_pre_preview) {
|
|
|
2558 |
if (IS_BLANK(line))
|
|
|
2559 |
return CDSC_OK; /* ignore blank lines before preview */
|
|
|
2560 |
else if (IS_DSC(line, "%%BeginPreview")) {
|
|
|
2561 |
dsc->id = CDSC_BEGINPREVIEW;
|
|
|
2562 |
dsc->beginpreview = DSC_START(dsc);
|
|
|
2563 |
dsc->endpreview = DSC_END(dsc);
|
|
|
2564 |
dsc->scan_section = scan_preview;
|
|
|
2565 |
/* Don't mark the preview as EPSI if a DOS EPS header is present */
|
|
|
2566 |
if (dsc->preview == CDSC_NOPREVIEW)
|
|
|
2567 |
dsc->preview = CDSC_EPSI;
|
|
|
2568 |
return CDSC_OK;
|
|
|
2569 |
}
|
|
|
2570 |
else {
|
|
|
2571 |
dsc->scan_section = scan_pre_defaults;
|
|
|
2572 |
return CDSC_PROPAGATE;
|
|
|
2573 |
}
|
|
|
2574 |
}
|
|
|
2575 |
|
|
|
2576 |
if (IS_DSC(line, "%%BeginPreview")) {
|
|
|
2577 |
/* ignore because we are in this section */
|
|
|
2578 |
}
|
|
|
2579 |
else if (dsc_is_section(line)) {
|
|
|
2580 |
dsc->endpreview = DSC_START(dsc);
|
|
|
2581 |
dsc->scan_section = scan_pre_defaults;
|
|
|
2582 |
return CDSC_PROPAGATE;
|
|
|
2583 |
}
|
|
|
2584 |
else if (IS_DSC(line, "%%EndPreview")) {
|
|
|
2585 |
dsc->id = CDSC_ENDPREVIEW;
|
|
|
2586 |
dsc->endpreview = DSC_END(dsc);
|
|
|
2587 |
dsc->scan_section = scan_pre_defaults;
|
|
|
2588 |
return CDSC_OK;
|
|
|
2589 |
}
|
|
|
2590 |
else if (line[0] == '%' && line[1] != '%') {
|
|
|
2591 |
/* Ordinary comments are OK */
|
|
|
2592 |
}
|
|
|
2593 |
else {
|
|
|
2594 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2595 |
/* DSC comments should not occur in preview */
|
|
|
2596 |
dsc_unknown(dsc);
|
|
|
2597 |
}
|
|
|
2598 |
|
|
|
2599 |
dsc->endpreview = DSC_END(dsc);
|
|
|
2600 |
return CDSC_OK;
|
|
|
2601 |
}
|
|
|
2602 |
|
|
|
2603 |
dsc_private int
|
|
|
2604 |
dsc_scan_defaults(CDSC *dsc)
|
|
|
2605 |
{
|
|
|
2606 |
/* Defaults section ends at */
|
|
|
2607 |
/* %%EndDefaults */
|
|
|
2608 |
/* another section */
|
|
|
2609 |
/* Defaults section must start with %%BeginDefaults */
|
|
|
2610 |
char *line = dsc->line;
|
|
|
2611 |
dsc->id = CDSC_OK;
|
|
|
2612 |
|
|
|
2613 |
if (dsc->scan_section == scan_pre_defaults) {
|
|
|
2614 |
if (IS_BLANK(line))
|
|
|
2615 |
return CDSC_OK; /* ignore blank lines before defaults */
|
|
|
2616 |
else if (IS_DSC(line, "%%BeginDefaults")) {
|
|
|
2617 |
dsc->id = CDSC_BEGINDEFAULTS;
|
|
|
2618 |
dsc->begindefaults = DSC_START(dsc);
|
|
|
2619 |
dsc->enddefaults = DSC_END(dsc);
|
|
|
2620 |
dsc->scan_section = scan_defaults;
|
|
|
2621 |
return CDSC_OK;
|
|
|
2622 |
}
|
|
|
2623 |
else {
|
|
|
2624 |
dsc->scan_section = scan_pre_prolog;
|
|
|
2625 |
return CDSC_PROPAGATE;
|
|
|
2626 |
}
|
|
|
2627 |
}
|
|
|
2628 |
|
|
|
2629 |
if (NOT_DSC_LINE(line)) {
|
|
|
2630 |
/* ignore */
|
|
|
2631 |
}
|
|
|
2632 |
else if (IS_DSC(line, "%%BeginPreview")) {
|
|
|
2633 |
/* ignore because we have already processed this section */
|
|
|
2634 |
}
|
|
|
2635 |
else if (IS_DSC(line, "%%BeginDefaults")) {
|
|
|
2636 |
/* ignore because we are in this section */
|
|
|
2637 |
}
|
|
|
2638 |
else if (dsc_is_section(line)) {
|
|
|
2639 |
dsc->enddefaults = DSC_START(dsc);
|
|
|
2640 |
dsc->scan_section = scan_pre_prolog;
|
|
|
2641 |
return CDSC_PROPAGATE;
|
|
|
2642 |
}
|
|
|
2643 |
else if (IS_DSC(line, "%%EndDefaults")) {
|
|
|
2644 |
dsc->id = CDSC_ENDDEFAULTS;
|
|
|
2645 |
dsc->enddefaults = DSC_END(dsc);
|
|
|
2646 |
dsc->scan_section = scan_pre_prolog;
|
|
|
2647 |
return CDSC_OK;
|
|
|
2648 |
}
|
|
|
2649 |
else if (IS_DSC(line, "%%PageMedia:")) {
|
|
|
2650 |
dsc->id = CDSC_PAGEMEDIA;
|
|
|
2651 |
dsc_parse_media(dsc, &dsc->page_media);
|
|
|
2652 |
}
|
|
|
2653 |
else if (IS_DSC(line, "%%PageOrientation:")) {
|
|
|
2654 |
dsc->id = CDSC_PAGEORIENTATION;
|
|
|
2655 |
/* This can override %%Orientation: */
|
|
|
2656 |
if (dsc_parse_orientation(dsc, &(dsc->page_orientation), 18))
|
|
|
2657 |
return CDSC_ERROR;
|
|
|
2658 |
}
|
|
|
2659 |
else if (IS_DSC(line, "%%PageBoundingBox:")) {
|
|
|
2660 |
dsc->id = CDSC_PAGEBOUNDINGBOX;
|
|
|
2661 |
if (dsc_parse_bounding_box(dsc, &(dsc->page_bbox), 18))
|
|
|
2662 |
return CDSC_ERROR;
|
|
|
2663 |
}
|
|
|
2664 |
else if (IS_DSC(line, "%%ViewingOrientation:")) {
|
|
|
2665 |
dsc->id = CDSC_VIEWINGORIENTATION;
|
|
|
2666 |
if (dsc_parse_viewing_orientation(dsc, &dsc->viewing_orientation))
|
|
|
2667 |
return CDSC_ERROR;
|
|
|
2668 |
}
|
|
|
2669 |
else if (IS_DSC(line, "%%PageCropBox:")) {
|
|
|
2670 |
dsc->id = CDSC_PAGECROPBOX;
|
|
|
2671 |
if (dsc_parse_float_bounding_box(dsc, &dsc->crop_box, 14))
|
|
|
2672 |
return CDSC_ERROR;
|
|
|
2673 |
}
|
|
|
2674 |
else {
|
|
|
2675 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2676 |
/* All other DSC comments are unknown, but not an error */
|
|
|
2677 |
dsc_unknown(dsc);
|
|
|
2678 |
}
|
|
|
2679 |
dsc->enddefaults = DSC_END(dsc);
|
|
|
2680 |
return CDSC_OK;
|
|
|
2681 |
}
|
|
|
2682 |
|
|
|
2683 |
/* CDSC_RESPONSE_OK and CDSC_RESPONSE_CANCEL mean ignore the
|
|
|
2684 |
* mismatch (default) */
|
|
|
2685 |
dsc_private int
|
|
|
2686 |
dsc_check_match_prompt(CDSC *dsc, const char *str, int count)
|
|
|
2687 |
{
|
|
|
2688 |
if (count != 0) {
|
|
|
2689 |
char buf[MAXSTR+MAXSTR];
|
|
|
2690 |
if (dsc->line_length < (unsigned int)(sizeof(buf)/2-1)) {
|
|
|
2691 |
strncpy(buf, dsc->line, dsc->line_length);
|
|
|
2692 |
buf[dsc->line_length] = '\0';
|
|
|
2693 |
}
|
|
|
2694 |
sprintf(buf+strlen(buf), "\n%%%%Begin%.40s: / %%%%End%.40s\n", str, str);
|
|
|
2695 |
return dsc_error(dsc, CDSC_MESSAGE_BEGIN_END, buf, (int)strlen(buf));
|
|
|
2696 |
}
|
|
|
2697 |
return CDSC_RESPONSE_CANCEL;
|
|
|
2698 |
}
|
|
|
2699 |
|
|
|
2700 |
dsc_private int
|
|
|
2701 |
dsc_check_match_type(CDSC *dsc, const char *str, int count)
|
|
|
2702 |
{
|
|
|
2703 |
if (dsc_check_match_prompt(dsc, str, count) == CDSC_RESPONSE_IGNORE_ALL)
|
|
|
2704 |
return CDSC_NOTDSC;
|
|
|
2705 |
return CDSC_OK;
|
|
|
2706 |
}
|
|
|
2707 |
|
|
|
2708 |
/* complain if Begin/End blocks didn't match */
|
|
|
2709 |
/* return non-zero if we should ignore all DSC */
|
|
|
2710 |
dsc_private int
|
|
|
2711 |
dsc_check_match(CDSC *dsc)
|
|
|
2712 |
{
|
|
|
2713 |
int rc = 0;
|
|
|
2714 |
const char *font = "Font";
|
|
|
2715 |
const char *feature = "Feature";
|
|
|
2716 |
const char *resource = "Resource";
|
|
|
2717 |
const char *procset = "ProcSet";
|
|
|
2718 |
|
|
|
2719 |
if (!rc)
|
|
|
2720 |
rc = dsc_check_match_type(dsc, font, dsc->begin_font_count);
|
|
|
2721 |
if (!rc)
|
|
|
2722 |
rc = dsc_check_match_type(dsc, feature, dsc->begin_feature_count);
|
|
|
2723 |
if (!rc)
|
|
|
2724 |
rc = dsc_check_match_type(dsc, resource, dsc->begin_resource_count);
|
|
|
2725 |
if (!rc)
|
|
|
2726 |
rc = dsc_check_match_type(dsc, procset, dsc->begin_procset_count);
|
|
|
2727 |
|
|
|
2728 |
dsc->begin_font_count = 0;
|
|
|
2729 |
dsc->begin_feature_count = 0;
|
|
|
2730 |
dsc->begin_resource_count = 0;
|
|
|
2731 |
dsc->begin_procset_count = 0;
|
|
|
2732 |
return rc;
|
|
|
2733 |
}
|
|
|
2734 |
|
|
|
2735 |
|
|
|
2736 |
dsc_private int
|
|
|
2737 |
dsc_scan_prolog(CDSC *dsc)
|
|
|
2738 |
{
|
|
|
2739 |
/* Prolog section ends at */
|
|
|
2740 |
/* %%EndProlog */
|
|
|
2741 |
/* another section */
|
|
|
2742 |
/* Prolog section may start with %%BeginProlog or non-dsc line */
|
|
|
2743 |
char *line = dsc->line;
|
|
|
2744 |
dsc->id = CDSC_OK;
|
|
|
2745 |
|
|
|
2746 |
if (dsc->scan_section == scan_pre_prolog) {
|
|
|
2747 |
if (dsc_is_section(line) && (!IS_DSC(line, "%%BeginProlog"))) {
|
|
|
2748 |
dsc->scan_section = scan_pre_setup;
|
|
|
2749 |
return CDSC_PROPAGATE;
|
|
|
2750 |
}
|
|
|
2751 |
dsc->id = CDSC_BEGINPROLOG;
|
|
|
2752 |
dsc->beginprolog = DSC_START(dsc);
|
|
|
2753 |
dsc->endprolog = DSC_END(dsc);
|
|
|
2754 |
dsc->scan_section = scan_prolog;
|
|
|
2755 |
if (IS_DSC(line, "%%BeginProlog"))
|
|
|
2756 |
return CDSC_OK;
|
|
|
2757 |
}
|
|
|
2758 |
|
|
|
2759 |
if (NOT_DSC_LINE(line)) {
|
|
|
2760 |
/* ignore */
|
|
|
2761 |
}
|
|
|
2762 |
else if (IS_DSC(line, "%%BeginPreview")) {
|
|
|
2763 |
/* ignore because we have already processed this section */
|
|
|
2764 |
}
|
|
|
2765 |
else if (IS_DSC(line, "%%BeginDefaults")) {
|
|
|
2766 |
/* ignore because we have already processed this section */
|
|
|
2767 |
}
|
|
|
2768 |
else if (IS_DSC(line, "%%BeginProlog")) {
|
|
|
2769 |
/* ignore because we are in this section */
|
|
|
2770 |
}
|
|
|
2771 |
else if (dsc_is_section(line)) {
|
|
|
2772 |
dsc->endprolog = DSC_START(dsc);
|
|
|
2773 |
dsc->scan_section = scan_pre_setup;
|
|
|
2774 |
if (dsc_check_match(dsc))
|
|
|
2775 |
return CDSC_NOTDSC;
|
|
|
2776 |
return CDSC_PROPAGATE;
|
|
|
2777 |
}
|
|
|
2778 |
else if (IS_DSC(line, "%%EndProlog")) {
|
|
|
2779 |
dsc->id = CDSC_ENDPROLOG;
|
|
|
2780 |
dsc->endprolog = DSC_END(dsc);
|
|
|
2781 |
dsc->scan_section = scan_pre_setup;
|
|
|
2782 |
if (dsc_check_match(dsc))
|
|
|
2783 |
return CDSC_NOTDSC;
|
|
|
2784 |
return CDSC_OK;
|
|
|
2785 |
}
|
|
|
2786 |
else if (IS_DSC(line, "%%BeginFont:")) {
|
|
|
2787 |
dsc->id = CDSC_BEGINFONT;
|
|
|
2788 |
/* ignore Begin/EndFont, apart form making sure */
|
|
|
2789 |
/* that they are matched. */
|
|
|
2790 |
dsc->begin_font_count++;
|
|
|
2791 |
}
|
|
|
2792 |
else if (IS_DSC(line, "%%EndFont")) {
|
|
|
2793 |
dsc->id = CDSC_ENDFONT;
|
|
|
2794 |
dsc->begin_font_count--;
|
|
|
2795 |
}
|
|
|
2796 |
else if (IS_DSC(line, "%%BeginFeature:")) {
|
|
|
2797 |
dsc->id = CDSC_BEGINFEATURE;
|
|
|
2798 |
/* ignore Begin/EndFeature, apart form making sure */
|
|
|
2799 |
/* that they are matched. */
|
|
|
2800 |
dsc->begin_feature_count++;
|
|
|
2801 |
}
|
|
|
2802 |
else if (IS_DSC(line, "%%EndFeature")) {
|
|
|
2803 |
dsc->id = CDSC_ENDFEATURE;
|
|
|
2804 |
dsc->begin_feature_count--;
|
|
|
2805 |
}
|
|
|
2806 |
else if (IS_DSC(line, "%%BeginResource:")) {
|
|
|
2807 |
dsc->id = CDSC_BEGINRESOURCE;
|
|
|
2808 |
/* ignore Begin/EndResource, apart form making sure */
|
|
|
2809 |
/* that they are matched. */
|
|
|
2810 |
dsc->begin_resource_count++;
|
|
|
2811 |
}
|
|
|
2812 |
else if (IS_DSC(line, "%%EndResource")) {
|
|
|
2813 |
dsc->id = CDSC_ENDRESOURCE;
|
|
|
2814 |
dsc->begin_resource_count--;
|
|
|
2815 |
}
|
|
|
2816 |
else if (IS_DSC(line, "%%BeginProcSet:")) {
|
|
|
2817 |
dsc->id = CDSC_BEGINPROCSET;
|
|
|
2818 |
/* ignore Begin/EndProcSet, apart form making sure */
|
|
|
2819 |
/* that they are matched. */
|
|
|
2820 |
dsc->begin_procset_count++;
|
|
|
2821 |
}
|
|
|
2822 |
else if (IS_DSC(line, "%%EndProcSet")) {
|
|
|
2823 |
dsc->id = CDSC_ENDPROCSET;
|
|
|
2824 |
dsc->begin_procset_count--;
|
|
|
2825 |
}
|
|
|
2826 |
else {
|
|
|
2827 |
/* All other DSC comments are unknown, but not an error */
|
|
|
2828 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2829 |
dsc_unknown(dsc);
|
|
|
2830 |
}
|
|
|
2831 |
|
|
|
2832 |
dsc->endprolog = DSC_END(dsc);
|
|
|
2833 |
return CDSC_OK;
|
|
|
2834 |
}
|
|
|
2835 |
|
|
|
2836 |
dsc_private int
|
|
|
2837 |
dsc_scan_setup(CDSC *dsc)
|
|
|
2838 |
{
|
|
|
2839 |
/* Setup section ends at */
|
|
|
2840 |
/* %%EndSetup */
|
|
|
2841 |
/* another section */
|
|
|
2842 |
/* Setup section must start with %%BeginSetup */
|
|
|
2843 |
|
|
|
2844 |
char *line = dsc->line;
|
|
|
2845 |
dsc->id = CDSC_OK;
|
|
|
2846 |
|
|
|
2847 |
if (dsc->scan_section == scan_pre_setup) {
|
|
|
2848 |
if (IS_BLANK(line))
|
|
|
2849 |
return CDSC_OK; /* ignore blank lines before setup */
|
|
|
2850 |
else if (IS_DSC(line, "%%BeginSetup")) {
|
|
|
2851 |
dsc->id = CDSC_BEGINSETUP;
|
|
|
2852 |
dsc->beginsetup = DSC_START(dsc);
|
|
|
2853 |
dsc->endsetup = DSC_END(dsc);
|
|
|
2854 |
dsc->scan_section = scan_setup;
|
|
|
2855 |
return CDSC_OK;
|
|
|
2856 |
}
|
|
|
2857 |
else {
|
|
|
2858 |
dsc->scan_section = scan_pre_pages;
|
|
|
2859 |
return CDSC_PROPAGATE;
|
|
|
2860 |
}
|
|
|
2861 |
}
|
|
|
2862 |
|
|
|
2863 |
if (NOT_DSC_LINE(line)) {
|
|
|
2864 |
/* ignore */
|
|
|
2865 |
}
|
|
|
2866 |
else if (IS_DSC(line, "%%BeginPreview")) {
|
|
|
2867 |
/* ignore because we have already processed this section */
|
|
|
2868 |
}
|
|
|
2869 |
else if (IS_DSC(line, "%%BeginDefaults")) {
|
|
|
2870 |
/* ignore because we have already processed this section */
|
|
|
2871 |
}
|
|
|
2872 |
else if (IS_DSC(line, "%%BeginProlog")) {
|
|
|
2873 |
/* ignore because we have already processed this section */
|
|
|
2874 |
}
|
|
|
2875 |
else if (IS_DSC(line, "%%BeginSetup")) {
|
|
|
2876 |
/* ignore because we are in this section */
|
|
|
2877 |
}
|
|
|
2878 |
else if (dsc_is_section(line)) {
|
|
|
2879 |
dsc->endsetup = DSC_START(dsc);
|
|
|
2880 |
dsc->scan_section = scan_pre_pages;
|
|
|
2881 |
if (dsc_check_match(dsc))
|
|
|
2882 |
return CDSC_NOTDSC;
|
|
|
2883 |
return CDSC_PROPAGATE;
|
|
|
2884 |
}
|
|
|
2885 |
else if (IS_DSC(line, "%%EndSetup")) {
|
|
|
2886 |
dsc->id = CDSC_ENDSETUP;
|
|
|
2887 |
dsc->endsetup = DSC_END(dsc);
|
|
|
2888 |
dsc->scan_section = scan_pre_pages;
|
|
|
2889 |
if (dsc_check_match(dsc))
|
|
|
2890 |
return CDSC_NOTDSC;
|
|
|
2891 |
return CDSC_OK;
|
|
|
2892 |
}
|
|
|
2893 |
else if (IS_DSC(line, "%%BeginFeature:")) {
|
|
|
2894 |
dsc->id = CDSC_BEGINFEATURE;
|
|
|
2895 |
/* ignore Begin/EndFeature, apart form making sure */
|
|
|
2896 |
/* that they are matched. */
|
|
|
2897 |
dsc->begin_feature_count++;
|
|
|
2898 |
}
|
|
|
2899 |
else if (IS_DSC(line, "%%EndFeature")) {
|
|
|
2900 |
dsc->id = CDSC_ENDFEATURE;
|
|
|
2901 |
dsc->begin_feature_count--;
|
|
|
2902 |
}
|
|
|
2903 |
else if (IS_DSC(line, "%%Feature:")) {
|
|
|
2904 |
dsc->id = CDSC_FEATURE;
|
|
|
2905 |
/* ignore */
|
|
|
2906 |
}
|
|
|
2907 |
else if (IS_DSC(line, "%%BeginResource:")) {
|
|
|
2908 |
dsc->id = CDSC_BEGINRESOURCE;
|
|
|
2909 |
/* ignore Begin/EndResource, apart form making sure */
|
|
|
2910 |
/* that they are matched. */
|
|
|
2911 |
dsc->begin_resource_count++;
|
|
|
2912 |
}
|
|
|
2913 |
else if (IS_DSC(line, "%%EndResource")) {
|
|
|
2914 |
dsc->id = CDSC_ENDRESOURCE;
|
|
|
2915 |
dsc->begin_resource_count--;
|
|
|
2916 |
}
|
|
|
2917 |
else if (IS_DSC(line, "%%PaperColor:")) {
|
|
|
2918 |
dsc->id = CDSC_PAPERCOLOR;
|
|
|
2919 |
/* ignore */
|
|
|
2920 |
}
|
|
|
2921 |
else if (IS_DSC(line, "%%PaperForm:")) {
|
|
|
2922 |
dsc->id = CDSC_PAPERFORM;
|
|
|
2923 |
/* ignore */
|
|
|
2924 |
}
|
|
|
2925 |
else if (IS_DSC(line, "%%PaperWeight:")) {
|
|
|
2926 |
dsc->id = CDSC_PAPERWEIGHT;
|
|
|
2927 |
/* ignore */
|
|
|
2928 |
}
|
|
|
2929 |
else if (IS_DSC(line, "%%PaperSize:")) {
|
|
|
2930 |
/* DSC 2.1 */
|
|
|
2931 |
GSBOOL found_media = FALSE;
|
|
|
2932 |
int i;
|
|
|
2933 |
int n = 12;
|
|
|
2934 |
char buf[MAXSTR];
|
|
|
2935 |
buf[0] = '\0';
|
|
|
2936 |
dsc->id = CDSC_PAPERSIZE;
|
|
|
2937 |
dsc_copy_string(buf, sizeof(buf)-1, dsc->line+n, dsc->line_length-n,
|
|
|
2938 |
NULL);
|
|
|
2939 |
for (i=0; i<(int)dsc->media_count; i++) {
|
|
|
2940 |
if (dsc->media[i] && dsc->media[i]->name &&
|
|
|
2941 |
(dsc_stricmp(buf, dsc->media[i]->name)==0)) {
|
|
|
2942 |
dsc->page_media = dsc->media[i];
|
|
|
2943 |
found_media = TRUE;
|
|
|
2944 |
break;
|
|
|
2945 |
}
|
|
|
2946 |
}
|
|
|
2947 |
if (!found_media) {
|
|
|
2948 |
/* It didn't match %%DocumentPaperSizes: */
|
|
|
2949 |
/* Try our known media */
|
|
|
2950 |
const CDSCMEDIA *m = dsc_known_media;
|
|
|
2951 |
while (m->name) {
|
|
|
2952 |
if (dsc_stricmp(buf, m->name)==0) {
|
|
|
2953 |
dsc->page_media = m;
|
|
|
2954 |
break;
|
|
|
2955 |
}
|
|
|
2956 |
m++;
|
|
|
2957 |
}
|
|
|
2958 |
if (m->name == NULL)
|
|
|
2959 |
dsc_unknown(dsc);
|
|
|
2960 |
}
|
|
|
2961 |
}
|
|
|
2962 |
else {
|
|
|
2963 |
/* All other DSC comments are unknown, but not an error */
|
|
|
2964 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
2965 |
dsc_unknown(dsc);
|
|
|
2966 |
}
|
|
|
2967 |
|
|
|
2968 |
dsc->endsetup = DSC_END(dsc);
|
|
|
2969 |
return CDSC_OK;
|
|
|
2970 |
}
|
|
|
2971 |
|
|
|
2972 |
dsc_private int
|
|
|
2973 |
dsc_scan_page(CDSC *dsc)
|
|
|
2974 |
{
|
|
|
2975 |
/* Page section ends at */
|
|
|
2976 |
/* %%Page */
|
|
|
2977 |
/* %%Trailer */
|
|
|
2978 |
/* %%EOF */
|
|
|
2979 |
char *line = dsc->line;
|
|
|
2980 |
dsc->id = CDSC_OK;
|
|
|
2981 |
|
|
|
2982 |
if (dsc->scan_section == scan_pre_pages) {
|
|
|
2983 |
if (IS_DSC(line, "%%Page:")) {
|
|
|
2984 |
dsc->scan_section = scan_pages;
|
|
|
2985 |
/* fall through */
|
|
|
2986 |
}
|
|
|
2987 |
else {
|
|
|
2988 |
/* %%Page: didn't follow %%EndSetup
|
|
|
2989 |
* Keep reading until reach %%Page or %%Trailer
|
|
|
2990 |
* and add it to previous section.
|
|
|
2991 |
*/
|
|
|
2992 |
DSC_OFFSET *last;
|
|
|
2993 |
if (dsc->endsetup != 0)
|
|
|
2994 |
last = &dsc->endsetup;
|
|
|
2995 |
else if (dsc->endprolog != 0)
|
|
|
2996 |
last = &dsc->endprolog;
|
|
|
2997 |
else if (dsc->enddefaults != 0)
|
|
|
2998 |
last = &dsc->enddefaults;
|
|
|
2999 |
else if (dsc->endpreview != 0)
|
|
|
3000 |
last = &dsc->endpreview;
|
|
|
3001 |
else if (dsc->endcomments != 0)
|
|
|
3002 |
last = &dsc->endcomments;
|
|
|
3003 |
else
|
|
|
3004 |
last = &dsc->begincomments;
|
|
|
3005 |
*last = DSC_START(dsc);
|
|
|
3006 |
if (IS_DSC(line, "%%Trailer") || IS_DSC(line, "%%EOF")) {
|
|
|
3007 |
dsc->scan_section = scan_pre_trailer;
|
|
|
3008 |
return CDSC_PROPAGATE;
|
|
|
3009 |
}
|
|
|
3010 |
*last = DSC_END(dsc);
|
|
|
3011 |
return CDSC_OK;
|
|
|
3012 |
}
|
|
|
3013 |
}
|
|
|
3014 |
|
|
|
3015 |
if (NOT_DSC_LINE(line)) {
|
|
|
3016 |
/* ignore */
|
|
|
3017 |
}
|
|
|
3018 |
else if (IS_DSC(line, "%%Page:")) {
|
|
|
3019 |
int code;
|
|
|
3020 |
dsc->id = CDSC_PAGE;
|
|
|
3021 |
if (dsc->page_count) {
|
|
|
3022 |
dsc->page[dsc->page_count-1].end = DSC_START(dsc);
|
|
|
3023 |
if (dsc_check_match(dsc))
|
|
|
3024 |
return CDSC_NOTDSC;
|
|
|
3025 |
}
|
|
|
3026 |
|
|
|
3027 |
if ( (code = dsc_parse_page(dsc)) != CDSC_OK)
|
|
|
3028 |
return code;
|
|
|
3029 |
if (dsc->page_count == 0)
|
|
|
3030 |
dsc->scan_section = scan_pre_pages;
|
|
|
3031 |
}
|
|
|
3032 |
else if (IS_DSC(line, "%%BeginPreview")) {
|
|
|
3033 |
/* ignore because we have already processed this section */
|
|
|
3034 |
}
|
|
|
3035 |
else if (IS_DSC(line, "%%BeginDefaults")) {
|
|
|
3036 |
/* ignore because we have already processed this section */
|
|
|
3037 |
}
|
|
|
3038 |
else if (IS_DSC(line, "%%BeginProlog")) {
|
|
|
3039 |
/* ignore because we have already processed this section */
|
|
|
3040 |
}
|
|
|
3041 |
else if (IS_DSC(line, "%%BeginSetup")) {
|
|
|
3042 |
/* ignore because we have already processed this section */
|
|
|
3043 |
}
|
|
|
3044 |
else if (dsc_is_section(line)) {
|
|
|
3045 |
if (IS_DSC(line, "%%Trailer")) {
|
|
|
3046 |
if (dsc->page_count)
|
|
|
3047 |
dsc->page[dsc->page_count-1].end = DSC_START(dsc);
|
|
|
3048 |
if (dsc->file_length) {
|
|
|
3049 |
if ((!dsc->doseps_end &&
|
|
|
3050 |
((DSC_END(dsc) + 32768) < dsc->file_length)) ||
|
|
|
3051 |
((dsc->doseps_end) &&
|
|
|
3052 |
((DSC_END(dsc) + 32768) < dsc->doseps_end))) {
|
|
|
3053 |
int rc = dsc_error(dsc, CDSC_MESSAGE_EARLY_TRAILER,
|
|
|
3054 |
dsc->line, dsc->line_length);
|
|
|
3055 |
switch (rc) {
|
|
|
3056 |
case CDSC_RESPONSE_OK:
|
|
|
3057 |
/* ignore early trailer */
|
|
|
3058 |
break;
|
|
|
3059 |
case CDSC_RESPONSE_CANCEL:
|
|
|
3060 |
/* this is the trailer */
|
|
|
3061 |
dsc->scan_section = scan_pre_trailer;
|
|
|
3062 |
if (dsc_check_match(dsc))
|
|
|
3063 |
return CDSC_NOTDSC;
|
|
|
3064 |
return CDSC_PROPAGATE;
|
|
|
3065 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
3066 |
return CDSC_NOTDSC;
|
|
|
3067 |
}
|
|
|
3068 |
}
|
|
|
3069 |
else {
|
|
|
3070 |
dsc->scan_section = scan_pre_trailer;
|
|
|
3071 |
if (dsc_check_match(dsc))
|
|
|
3072 |
return CDSC_NOTDSC;
|
|
|
3073 |
return CDSC_PROPAGATE;
|
|
|
3074 |
}
|
|
|
3075 |
}
|
|
|
3076 |
else {
|
|
|
3077 |
dsc->scan_section = scan_pre_trailer;
|
|
|
3078 |
if (dsc_check_match(dsc))
|
|
|
3079 |
return CDSC_NOTDSC;
|
|
|
3080 |
return CDSC_PROPAGATE;
|
|
|
3081 |
}
|
|
|
3082 |
}
|
|
|
3083 |
else if (IS_DSC(line, "%%EOF")) {
|
|
|
3084 |
if (dsc->page_count)
|
|
|
3085 |
dsc->page[dsc->page_count-1].end = DSC_START(dsc);
|
|
|
3086 |
if (dsc->file_length) {
|
|
|
3087 |
if ((!dsc->doseps_end &&
|
|
|
3088 |
((DSC_END(dsc) + 100) < dsc->file_length)) ||
|
|
|
3089 |
((dsc->doseps_end) &&
|
|
|
3090 |
((DSC_END(dsc) + 100) < dsc->doseps_end))) {
|
|
|
3091 |
int rc = dsc_error(dsc, CDSC_MESSAGE_EARLY_EOF,
|
|
|
3092 |
dsc->line, dsc->line_length);
|
|
|
3093 |
switch (rc) {
|
|
|
3094 |
case CDSC_RESPONSE_OK:
|
|
|
3095 |
/* %%EOF is wrong, ignore it */
|
|
|
3096 |
break;
|
|
|
3097 |
case CDSC_RESPONSE_CANCEL:
|
|
|
3098 |
/* %%EOF is correct */
|
|
|
3099 |
dsc->scan_section = scan_eof;
|
|
|
3100 |
dsc->eof = TRUE;
|
|
|
3101 |
if (dsc_check_match(dsc))
|
|
|
3102 |
return CDSC_NOTDSC;
|
|
|
3103 |
return CDSC_PROPAGATE;
|
|
|
3104 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
3105 |
return CDSC_NOTDSC;
|
|
|
3106 |
}
|
|
|
3107 |
}
|
|
|
3108 |
}
|
|
|
3109 |
else {
|
|
|
3110 |
/* ignore it */
|
|
|
3111 |
if (dsc_check_match(dsc))
|
|
|
3112 |
return CDSC_NOTDSC;
|
|
|
3113 |
return CDSC_OK;
|
|
|
3114 |
}
|
|
|
3115 |
}
|
|
|
3116 |
else {
|
|
|
3117 |
/* Section comment, probably from a badly */
|
|
|
3118 |
/* encapsulated EPS file. */
|
|
|
3119 |
int rc = dsc_error(dsc, CDSC_MESSAGE_BAD_SECTION,
|
|
|
3120 |
dsc->line, dsc->line_length);
|
|
|
3121 |
if (rc == CDSC_RESPONSE_IGNORE_ALL)
|
|
|
3122 |
return CDSC_NOTDSC;
|
|
|
3123 |
}
|
|
|
3124 |
}
|
|
|
3125 |
else if (IS_DSC(line, "%%PageTrailer")) {
|
|
|
3126 |
dsc->id = CDSC_PAGETRAILER;
|
|
|
3127 |
/* ignore */
|
|
|
3128 |
}
|
|
|
3129 |
else if (IS_DSC(line, "%%BeginPageSetup")) {
|
|
|
3130 |
dsc->id = CDSC_BEGINPAGESETUP;
|
|
|
3131 |
/* ignore */
|
|
|
3132 |
}
|
|
|
3133 |
else if (IS_DSC(line, "%%EndPageSetup")) {
|
|
|
3134 |
dsc->id = CDSC_ENDPAGESETUP;
|
|
|
3135 |
/* ignore */
|
|
|
3136 |
}
|
|
|
3137 |
else if (IS_DSC(line, "%%PageMedia:")) {
|
|
|
3138 |
dsc->id = CDSC_PAGEMEDIA;
|
|
|
3139 |
if (dsc->page_count)
|
|
|
3140 |
dsc_parse_media(dsc, &(dsc->page[dsc->page_count-1].media));
|
|
|
3141 |
}
|
|
|
3142 |
else if (IS_DSC(line, "%%PaperColor:")) {
|
|
|
3143 |
dsc->id = CDSC_PAPERCOLOR;
|
|
|
3144 |
/* ignore */
|
|
|
3145 |
}
|
|
|
3146 |
else if (IS_DSC(line, "%%PaperForm:")) {
|
|
|
3147 |
dsc->id = CDSC_PAPERFORM;
|
|
|
3148 |
/* ignore */
|
|
|
3149 |
}
|
|
|
3150 |
else if (IS_DSC(line, "%%PaperWeight:")) {
|
|
|
3151 |
dsc->id = CDSC_PAPERWEIGHT;
|
|
|
3152 |
/* ignore */
|
|
|
3153 |
}
|
|
|
3154 |
else if (IS_DSC(line, "%%PaperSize:")) {
|
|
|
3155 |
/* DSC 2.1 */
|
|
|
3156 |
GSBOOL found_media = FALSE;
|
|
|
3157 |
int i;
|
|
|
3158 |
int n = 12;
|
|
|
3159 |
char buf[MAXSTR];
|
|
|
3160 |
buf[0] = '\0';
|
|
|
3161 |
dsc_copy_string(buf, sizeof(buf)-1, dsc->line+n,
|
|
|
3162 |
dsc->line_length-n, NULL);
|
|
|
3163 |
for (i=0; i<(int)dsc->media_count; i++) {
|
|
|
3164 |
if (dsc->media[i] && dsc->media[i]->name &&
|
|
|
3165 |
(dsc_stricmp(buf, dsc->media[i]->name)==0)) {
|
|
|
3166 |
if (dsc->page_count)
|
|
|
3167 |
dsc->page[dsc->page_count-1].media = dsc->media[i];
|
|
|
3168 |
found_media = TRUE;
|
|
|
3169 |
break;
|
|
|
3170 |
}
|
|
|
3171 |
}
|
|
|
3172 |
if (!found_media) {
|
|
|
3173 |
/* It didn't match %%DocumentPaperSizes: */
|
|
|
3174 |
/* Try our known media */
|
|
|
3175 |
const CDSCMEDIA *m = dsc_known_media;
|
|
|
3176 |
while (m->name) {
|
|
|
3177 |
if (dsc_stricmp(buf, m->name)==0) {
|
|
|
3178 |
if (dsc->page_count)
|
|
|
3179 |
dsc->page[dsc->page_count-1].media = m;
|
|
|
3180 |
break;
|
|
|
3181 |
}
|
|
|
3182 |
m++;
|
|
|
3183 |
}
|
|
|
3184 |
if (m->name == NULL)
|
|
|
3185 |
dsc_unknown(dsc);
|
|
|
3186 |
}
|
|
|
3187 |
}
|
|
|
3188 |
else if (IS_DSC(line, "%%PageOrientation:")) {
|
|
|
3189 |
if (dsc->page_count) {
|
|
|
3190 |
dsc->id = CDSC_PAGEORIENTATION;
|
|
|
3191 |
if (dsc_parse_orientation(dsc,
|
|
|
3192 |
&(dsc->page[dsc->page_count-1].orientation) ,18))
|
|
|
3193 |
return CDSC_NOTDSC;
|
|
|
3194 |
}
|
|
|
3195 |
}
|
|
|
3196 |
else if (IS_DSC(line, "%%PageBoundingBox:")) {
|
|
|
3197 |
if (dsc->page_count) {
|
|
|
3198 |
dsc->id = CDSC_PAGEBOUNDINGBOX;
|
|
|
3199 |
if (dsc_parse_bounding_box(dsc,
|
|
|
3200 |
&dsc->page[dsc->page_count-1].bbox, 18))
|
|
|
3201 |
return CDSC_NOTDSC;
|
|
|
3202 |
}
|
|
|
3203 |
}
|
|
|
3204 |
else if (IS_DSC(line, "%%ViewingOrientation:")) {
|
|
|
3205 |
if (dsc->page_count) {
|
|
|
3206 |
dsc->id = CDSC_VIEWINGORIENTATION;
|
|
|
3207 |
if (dsc_parse_viewing_orientation(dsc,
|
|
|
3208 |
&dsc->page[dsc->page_count-1].viewing_orientation))
|
|
|
3209 |
return CDSC_ERROR;
|
|
|
3210 |
}
|
|
|
3211 |
}
|
|
|
3212 |
else if (IS_DSC(line, "%%PageCropBox:")) {
|
|
|
3213 |
if (dsc->page_count) {
|
|
|
3214 |
dsc->id = CDSC_PAGECROPBOX;
|
|
|
3215 |
if (dsc_parse_float_bounding_box(dsc,
|
|
|
3216 |
&(dsc->page[dsc->page_count-1].crop_box), 14))
|
|
|
3217 |
return CDSC_ERROR;
|
|
|
3218 |
}
|
|
|
3219 |
}
|
|
|
3220 |
else if (IS_DSC(line, "%%BeginFont:")) {
|
|
|
3221 |
dsc->id = CDSC_BEGINFONT;
|
|
|
3222 |
/* ignore Begin/EndFont, apart form making sure */
|
|
|
3223 |
/* that they are matched. */
|
|
|
3224 |
dsc->begin_font_count++;
|
|
|
3225 |
}
|
|
|
3226 |
else if (IS_DSC(line, "%%EndFont")) {
|
|
|
3227 |
dsc->id = CDSC_BEGINFONT;
|
|
|
3228 |
dsc->begin_font_count--;
|
|
|
3229 |
}
|
|
|
3230 |
else if (IS_DSC(line, "%%BeginFeature:")) {
|
|
|
3231 |
dsc->id = CDSC_BEGINFEATURE;
|
|
|
3232 |
/* ignore Begin/EndFeature, apart form making sure */
|
|
|
3233 |
/* that they are matched. */
|
|
|
3234 |
dsc->begin_feature_count++;
|
|
|
3235 |
}
|
|
|
3236 |
else if (IS_DSC(line, "%%EndFeature")) {
|
|
|
3237 |
dsc->id = CDSC_ENDFEATURE;
|
|
|
3238 |
dsc->begin_feature_count--;
|
|
|
3239 |
}
|
|
|
3240 |
else if (IS_DSC(line, "%%BeginResource:")) {
|
|
|
3241 |
dsc->id = CDSC_BEGINRESOURCE;
|
|
|
3242 |
/* ignore Begin/EndResource, apart form making sure */
|
|
|
3243 |
/* that they are matched. */
|
|
|
3244 |
dsc->begin_resource_count++;
|
|
|
3245 |
}
|
|
|
3246 |
else if (IS_DSC(line, "%%EndResource")) {
|
|
|
3247 |
dsc->id = CDSC_ENDRESOURCE;
|
|
|
3248 |
dsc->begin_resource_count--;
|
|
|
3249 |
}
|
|
|
3250 |
else if (IS_DSC(line, "%%BeginProcSet:")) {
|
|
|
3251 |
dsc->id = CDSC_BEGINPROCSET;
|
|
|
3252 |
/* ignore Begin/EndProcSet, apart form making sure */
|
|
|
3253 |
/* that they are matched. */
|
|
|
3254 |
dsc->begin_procset_count++;
|
|
|
3255 |
}
|
|
|
3256 |
else if (IS_DSC(line, "%%EndProcSet")) {
|
|
|
3257 |
dsc->id = CDSC_ENDPROCSET;
|
|
|
3258 |
dsc->begin_procset_count--;
|
|
|
3259 |
}
|
|
|
3260 |
else if (IS_DSC(line, "%%IncludeFont:")) {
|
|
|
3261 |
dsc->id = CDSC_INCLUDEFONT;
|
|
|
3262 |
/* ignore */
|
|
|
3263 |
}
|
|
|
3264 |
else {
|
|
|
3265 |
/* All other DSC comments are unknown, but not an error */
|
|
|
3266 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
3267 |
dsc_unknown(dsc);
|
|
|
3268 |
}
|
|
|
3269 |
|
|
|
3270 |
if (dsc->page_count)
|
|
|
3271 |
dsc->page[dsc->page_count-1].end = DSC_END(dsc);
|
|
|
3272 |
return CDSC_OK;
|
|
|
3273 |
}
|
|
|
3274 |
|
|
|
3275 |
/* Valid Trailer comments are
|
|
|
3276 |
* %%Trailer
|
|
|
3277 |
* %%EOF
|
|
|
3278 |
* or the following deferred with (atend)
|
|
|
3279 |
* %%BoundingBox:
|
|
|
3280 |
* %%DocumentCustomColors:
|
|
|
3281 |
* %%DocumentFiles:
|
|
|
3282 |
* %%DocumentFonts:
|
|
|
3283 |
* %%DocumentNeededFiles:
|
|
|
3284 |
* %%DocumentNeededFonts:
|
|
|
3285 |
* %%DocumentNeededProcSets:
|
|
|
3286 |
* %%DocumentNeededResources:
|
|
|
3287 |
* %%DocumentProcSets:
|
|
|
3288 |
* %%DocumentProcessColors:
|
|
|
3289 |
* %%DocumentSuppliedFiles:
|
|
|
3290 |
* %%DocumentSuppliedFonts:
|
|
|
3291 |
* %%DocumentSuppliedProcSets:
|
|
|
3292 |
* %%DocumentSuppliedResources:
|
|
|
3293 |
* %%Orientation:
|
|
|
3294 |
* %%Pages:
|
|
|
3295 |
* %%PageOrder:
|
|
|
3296 |
*
|
|
|
3297 |
* Our supported subset is
|
|
|
3298 |
* %%Trailer
|
|
|
3299 |
* %%EOF
|
|
|
3300 |
* %%BoundingBox:
|
|
|
3301 |
* %%CropBox:
|
|
|
3302 |
* %%HiResBoundingBox:
|
|
|
3303 |
* %%DocumentCustomColors:
|
|
|
3304 |
* %%DocumentProcessColors:
|
|
|
3305 |
* %%Orientation:
|
|
|
3306 |
* %%Pages:
|
|
|
3307 |
* %%PageOrder:
|
|
|
3308 |
* In addition to these, we support
|
|
|
3309 |
* %%DocumentMedia:
|
|
|
3310 |
*
|
|
|
3311 |
* A %%PageTrailer can have the following:
|
|
|
3312 |
* %%PageBoundingBox:
|
|
|
3313 |
* %%PageCustomColors:
|
|
|
3314 |
* %%PageFiles:
|
|
|
3315 |
* %%PageFonts:
|
|
|
3316 |
* %%PageOrientation:
|
|
|
3317 |
* %%PageProcessColors:
|
|
|
3318 |
* %%PageResources:
|
|
|
3319 |
*/
|
|
|
3320 |
|
|
|
3321 |
dsc_private int
|
|
|
3322 |
dsc_scan_trailer(CDSC *dsc)
|
|
|
3323 |
{
|
|
|
3324 |
/* Trailer section start at */
|
|
|
3325 |
/* %%Trailer */
|
|
|
3326 |
/* and ends at */
|
|
|
3327 |
/* %%EOF */
|
|
|
3328 |
char *line = dsc->line;
|
|
|
3329 |
GSBOOL continued = FALSE;
|
|
|
3330 |
dsc->id = CDSC_OK;
|
|
|
3331 |
|
|
|
3332 |
if (dsc->scan_section == scan_pre_trailer) {
|
|
|
3333 |
if (IS_DSC(line, "%%Trailer")) {
|
|
|
3334 |
dsc->id = CDSC_TRAILER;
|
|
|
3335 |
dsc->begintrailer = DSC_START(dsc);
|
|
|
3336 |
dsc->endtrailer = DSC_END(dsc);
|
|
|
3337 |
dsc->scan_section = scan_trailer;
|
|
|
3338 |
return CDSC_OK;
|
|
|
3339 |
}
|
|
|
3340 |
else if (IS_DSC(line, "%%EOF")) {
|
|
|
3341 |
dsc->id = CDSC_EOF;
|
|
|
3342 |
dsc->begintrailer = DSC_START(dsc);
|
|
|
3343 |
dsc->endtrailer = DSC_END(dsc);
|
|
|
3344 |
dsc->scan_section = scan_trailer;
|
|
|
3345 |
/* Continue, in case we found %%EOF in an embedded document */
|
|
|
3346 |
return CDSC_OK;
|
|
|
3347 |
}
|
|
|
3348 |
else {
|
|
|
3349 |
/* %%Page: didn't follow %%EndSetup
|
|
|
3350 |
* Keep reading until reach %%Page or %%Trailer
|
|
|
3351 |
* and add it to setup section
|
|
|
3352 |
*/
|
|
|
3353 |
/* append to previous section */
|
|
|
3354 |
if (dsc->beginsetup)
|
|
|
3355 |
dsc->endsetup = DSC_END(dsc);
|
|
|
3356 |
else if (dsc->beginprolog)
|
|
|
3357 |
dsc->endprolog = DSC_END(dsc);
|
|
|
3358 |
else {
|
|
|
3359 |
/* horribly confused */
|
|
|
3360 |
}
|
|
|
3361 |
return CDSC_OK;
|
|
|
3362 |
}
|
|
|
3363 |
}
|
|
|
3364 |
|
|
|
3365 |
/* Handle continuation lines.
|
|
|
3366 |
* See comment above about our restrictive processing of
|
|
|
3367 |
* continuation lines
|
|
|
3368 |
*/
|
|
|
3369 |
if (IS_DSC(line, "%%+")) {
|
|
|
3370 |
line = dsc->last_line;
|
|
|
3371 |
continued = TRUE;
|
|
|
3372 |
}
|
|
|
3373 |
else
|
|
|
3374 |
dsc_save_line(dsc);
|
|
|
3375 |
|
|
|
3376 |
if (NOT_DSC_LINE(line)) {
|
|
|
3377 |
/* ignore */
|
|
|
3378 |
}
|
|
|
3379 |
else if (IS_DSC(dsc->line, "%%EOF")) {
|
|
|
3380 |
/* Keep scanning, in case we have a false trailer */
|
|
|
3381 |
dsc->id = CDSC_EOF;
|
|
|
3382 |
}
|
|
|
3383 |
else if (IS_DSC(dsc->line, "%%Trailer")) {
|
|
|
3384 |
/* Cope with no pages with code after setup and before trailer. */
|
|
|
3385 |
/* Last trailer is the correct one. */
|
|
|
3386 |
dsc->id = CDSC_TRAILER;
|
|
|
3387 |
dsc->begintrailer = DSC_START(dsc);
|
|
|
3388 |
}
|
|
|
3389 |
else if (IS_DSC(line, "%%Pages:")) {
|
|
|
3390 |
dsc->id = CDSC_PAGES;
|
|
|
3391 |
if (dsc_parse_pages(dsc) != 0)
|
|
|
3392 |
return CDSC_ERROR;
|
|
|
3393 |
}
|
|
|
3394 |
else if (IS_DSC(line, "%%BoundingBox:")) {
|
|
|
3395 |
dsc->id = CDSC_BOUNDINGBOX;
|
|
|
3396 |
if (dsc_parse_bounding_box(dsc, &(dsc->bbox), continued ? 3 : 14))
|
|
|
3397 |
return CDSC_ERROR;
|
|
|
3398 |
}
|
|
|
3399 |
else if (IS_DSC(line, "%%HiResBoundingBox:")) {
|
|
|
3400 |
dsc->id = CDSC_HIRESBOUNDINGBOX;
|
|
|
3401 |
if (dsc_parse_float_bounding_box(dsc, &(dsc->hires_bbox),
|
|
|
3402 |
continued ? 3 : 19))
|
|
|
3403 |
return CDSC_ERROR;
|
|
|
3404 |
}
|
|
|
3405 |
else if (IS_DSC(line, "%%CropBox:")) {
|
|
|
3406 |
dsc->id = CDSC_CROPBOX;
|
|
|
3407 |
if (dsc_parse_float_bounding_box(dsc, &(dsc->crop_box),
|
|
|
3408 |
continued ? 3 : 10))
|
|
|
3409 |
return CDSC_ERROR;
|
|
|
3410 |
}
|
|
|
3411 |
else if (IS_DSC(line, "%%Orientation:")) {
|
|
|
3412 |
dsc->id = CDSC_ORIENTATION;
|
|
|
3413 |
if (dsc_parse_orientation(dsc, &(dsc->page_orientation), continued ? 3 : 14))
|
|
|
3414 |
return CDSC_ERROR;
|
|
|
3415 |
}
|
|
|
3416 |
else if (IS_DSC(line, "%%PageOrder:")) {
|
|
|
3417 |
dsc->id = CDSC_PAGEORDER;
|
|
|
3418 |
if (dsc_parse_order(dsc))
|
|
|
3419 |
return CDSC_ERROR;
|
|
|
3420 |
}
|
|
|
3421 |
else if (IS_DSC(line, "%%DocumentMedia:")) {
|
|
|
3422 |
dsc->id = CDSC_DOCUMENTMEDIA;
|
|
|
3423 |
if (dsc_parse_document_media(dsc))
|
|
|
3424 |
return CDSC_ERROR;
|
|
|
3425 |
}
|
|
|
3426 |
else if (IS_DSC(dsc->line, "%%Page:")) {
|
|
|
3427 |
/* This should not occur in the trailer, but we might see
|
|
|
3428 |
* this if a document has been incorrectly embedded.
|
|
|
3429 |
*/
|
|
|
3430 |
int rc = dsc_error(dsc, CDSC_MESSAGE_PAGE_IN_TRAILER,
|
|
|
3431 |
dsc->line, dsc->line_length);
|
|
|
3432 |
switch (rc) {
|
|
|
3433 |
case CDSC_RESPONSE_OK:
|
|
|
3434 |
/* Assume that we are really in the previous */
|
|
|
3435 |
/* page, not the trailer */
|
|
|
3436 |
dsc->scan_section = scan_pre_pages;
|
|
|
3437 |
if (dsc->page_count)
|
|
|
3438 |
dsc->page[dsc->page_count-1].end = DSC_START(dsc);
|
|
|
3439 |
return CDSC_PROPAGATE; /* try again */
|
|
|
3440 |
case CDSC_RESPONSE_CANCEL:
|
|
|
3441 |
/* ignore pages in trailer */
|
|
|
3442 |
break;
|
|
|
3443 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
3444 |
return CDSC_NOTDSC;
|
|
|
3445 |
}
|
|
|
3446 |
}
|
|
|
3447 |
else if (IS_DSC(line, "%%DocumentNeededFonts:")) {
|
|
|
3448 |
dsc->id = CDSC_DOCUMENTNEEDEDFONTS;
|
|
|
3449 |
/* ignore */
|
|
|
3450 |
}
|
|
|
3451 |
else if (IS_DSC(line, "%%DocumentSuppliedFonts:")) {
|
|
|
3452 |
dsc->id = CDSC_DOCUMENTSUPPLIEDFONTS;
|
|
|
3453 |
/* ignore */
|
|
|
3454 |
}
|
|
|
3455 |
else if (IS_DSC(line, "%%DocumentProcessColors:")) {
|
|
|
3456 |
dsc->id = CDSC_DOCUMENTPROCESSCOLORS;
|
|
|
3457 |
if (dsc_parse_process_colours(dsc) != CDSC_OK)
|
|
|
3458 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
3459 |
}
|
|
|
3460 |
else if (IS_DSC(line, "%%DocumentCustomColors:")) {
|
|
|
3461 |
dsc->id = CDSC_DOCUMENTCUSTOMCOLORS;
|
|
|
3462 |
if (dsc_parse_custom_colours(dsc) != CDSC_OK)
|
|
|
3463 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
3464 |
}
|
|
|
3465 |
else {
|
|
|
3466 |
/* All other DSC comments are unknown, but not an error */
|
|
|
3467 |
dsc->id = CDSC_UNKNOWNDSC;
|
|
|
3468 |
dsc_unknown(dsc);
|
|
|
3469 |
}
|
|
|
3470 |
|
|
|
3471 |
dsc->endtrailer = DSC_END(dsc);
|
|
|
3472 |
return CDSC_OK;
|
|
|
3473 |
}
|
|
|
3474 |
|
|
|
3475 |
|
|
|
3476 |
dsc_private char *
|
|
|
3477 |
dsc_alloc_string(CDSC *dsc, const char *str, int len)
|
|
|
3478 |
{
|
|
|
3479 |
char *p;
|
|
|
3480 |
if (dsc->string_head == NULL) {
|
|
|
3481 |
dsc->string_head = (CDSCSTRING *)dsc_memalloc(dsc, sizeof(CDSCSTRING));
|
|
|
3482 |
if (dsc->string_head == NULL)
|
|
|
3483 |
return NULL; /* no memory */
|
|
|
3484 |
dsc->string = dsc->string_head;
|
|
|
3485 |
dsc->string->next = NULL;
|
|
|
3486 |
dsc->string->data = (char *)dsc_memalloc(dsc, CDSC_STRING_CHUNK);
|
|
|
3487 |
if (dsc->string->data == NULL) {
|
|
|
3488 |
dsc_reset(dsc);
|
|
|
3489 |
return NULL; /* no memory */
|
|
|
3490 |
}
|
|
|
3491 |
dsc->string->index = 0;
|
|
|
3492 |
dsc->string->length = CDSC_STRING_CHUNK;
|
|
|
3493 |
}
|
|
|
3494 |
if ( dsc->string->index + len + 1 > dsc->string->length) {
|
|
|
3495 |
/* allocate another string block */
|
|
|
3496 |
CDSCSTRING *newstring = (CDSCSTRING *)dsc_memalloc(dsc, sizeof(CDSCSTRING));
|
|
|
3497 |
if (newstring == NULL) {
|
|
|
3498 |
dsc_debug_print(dsc, "Out of memory\n");
|
|
|
3499 |
return NULL;
|
|
|
3500 |
}
|
|
|
3501 |
newstring->next = NULL;
|
|
|
3502 |
newstring->length = 0;
|
|
|
3503 |
newstring->index = 0;
|
|
|
3504 |
newstring->data = (char *)dsc_memalloc(dsc, CDSC_STRING_CHUNK);
|
|
|
3505 |
if (newstring->data == NULL) {
|
|
|
3506 |
dsc_memfree(dsc, newstring);
|
|
|
3507 |
dsc_debug_print(dsc, "Out of memory\n");
|
|
|
3508 |
return NULL; /* no memory */
|
|
|
3509 |
}
|
|
|
3510 |
newstring->length = CDSC_STRING_CHUNK;
|
|
|
3511 |
dsc->string->next = newstring;
|
|
|
3512 |
dsc->string = newstring;
|
|
|
3513 |
}
|
|
|
3514 |
if ( dsc->string->index + len + 1 > dsc->string->length)
|
|
|
3515 |
return NULL; /* failed */
|
|
|
3516 |
p = dsc->string->data + dsc->string->index;
|
|
|
3517 |
memcpy(p, str, len);
|
|
|
3518 |
*(p+len) = '\0';
|
|
|
3519 |
dsc->string->index += len + 1;
|
|
|
3520 |
return p;
|
|
|
3521 |
}
|
|
|
3522 |
|
|
|
3523 |
/* store line, ignoring leading spaces */
|
|
|
3524 |
dsc_private char *
|
|
|
3525 |
dsc_add_line(CDSC *dsc, const char *line, unsigned int len)
|
|
|
3526 |
{
|
|
|
3527 |
char *newline;
|
|
|
3528 |
unsigned int i;
|
|
|
3529 |
while (len && (IS_WHITE(*line))) {
|
|
|
3530 |
len--;
|
|
|
3531 |
line++;
|
|
|
3532 |
}
|
|
|
3533 |
newline = dsc_alloc_string(dsc, line, len);
|
|
|
3534 |
if (newline == NULL)
|
|
|
3535 |
return NULL;
|
|
|
3536 |
|
|
|
3537 |
for (i=0; i<len; i++) {
|
|
|
3538 |
if (newline[i] == '\r') {
|
|
|
3539 |
newline[i]='\0';
|
|
|
3540 |
break;
|
|
|
3541 |
}
|
|
|
3542 |
if (newline[i] == '\n') {
|
|
|
3543 |
newline[i]='\0';
|
|
|
3544 |
break;
|
|
|
3545 |
}
|
|
|
3546 |
}
|
|
|
3547 |
return newline;
|
|
|
3548 |
}
|
|
|
3549 |
|
|
|
3550 |
|
|
|
3551 |
/* Copy string on line to new allocated string str */
|
|
|
3552 |
/* String is always null terminated */
|
|
|
3553 |
/* String is no longer than len */
|
|
|
3554 |
/* Return pointer to string */
|
|
|
3555 |
/* Store number of used characters from line */
|
|
|
3556 |
/* Don't copy enclosing () */
|
|
|
3557 |
dsc_private char *
|
|
|
3558 |
dsc_copy_string(char *str, unsigned int slen, char *line,
|
|
|
3559 |
unsigned int len, unsigned int *offset)
|
|
|
3560 |
{
|
|
|
3561 |
int quoted = FALSE;
|
|
|
3562 |
int instring=0;
|
|
|
3563 |
unsigned int newlength = 0;
|
|
|
3564 |
unsigned int i = 0;
|
|
|
3565 |
unsigned char ch;
|
|
|
3566 |
if (len > slen)
|
|
|
3567 |
len = slen-1;
|
|
|
3568 |
while ( (i<len) && IS_WHITE(line[i]))
|
|
|
3569 |
i++; /* skip leading spaces */
|
|
|
3570 |
if ((i < len) && (line[i]=='(')) {
|
|
|
3571 |
quoted = TRUE;
|
|
|
3572 |
instring++;
|
|
|
3573 |
i++; /* don't copy outside () */
|
|
|
3574 |
}
|
|
|
3575 |
while (i < len) {
|
|
|
3576 |
str[newlength] = ch = line[i];
|
|
|
3577 |
i++;
|
|
|
3578 |
if (quoted) {
|
|
|
3579 |
if (ch == '(')
|
|
|
3580 |
instring++;
|
|
|
3581 |
if (ch == ')')
|
|
|
3582 |
instring--;
|
|
|
3583 |
if (instring==0)
|
|
|
3584 |
break;
|
|
|
3585 |
}
|
|
|
3586 |
else if (ch == ' ')
|
|
|
3587 |
break;
|
|
|
3588 |
|
|
|
3589 |
if (ch == '\r')
|
|
|
3590 |
break;
|
|
|
3591 |
if (ch == '\n')
|
|
|
3592 |
break;
|
|
|
3593 |
else if ( (ch == '\\') && (i+1 < len) ) {
|
|
|
3594 |
ch = line[i];
|
|
|
3595 |
if ((ch >= '0') && (ch <= '9')) {
|
|
|
3596 |
/* octal coded character */
|
|
|
3597 |
int j = 3;
|
|
|
3598 |
ch = 0;
|
|
|
3599 |
while (j && (i < len) && line[i]>='0' && line[i]<='7') {
|
|
|
3600 |
ch = (unsigned char)((ch<<3) + (line[i]-'0'));
|
|
|
3601 |
i++;
|
|
|
3602 |
j--;
|
|
|
3603 |
}
|
|
|
3604 |
str[newlength] = ch;
|
|
|
3605 |
}
|
|
|
3606 |
else if (ch == '(') {
|
|
|
3607 |
str[newlength] = ch;
|
|
|
3608 |
i++;
|
|
|
3609 |
}
|
|
|
3610 |
else if (ch == ')') {
|
|
|
3611 |
str[newlength] = ch;
|
|
|
3612 |
i++;
|
|
|
3613 |
}
|
|
|
3614 |
else if (ch == 'b') {
|
|
|
3615 |
str[newlength] = '\b';
|
|
|
3616 |
i++;
|
|
|
3617 |
}
|
|
|
3618 |
else if (ch == 'f') {
|
|
|
3619 |
str[newlength] = '\b';
|
|
|
3620 |
i++;
|
|
|
3621 |
}
|
|
|
3622 |
else if (ch == 'n') {
|
|
|
3623 |
str[newlength] = '\n';
|
|
|
3624 |
i++;
|
|
|
3625 |
}
|
|
|
3626 |
else if (ch == 'r') {
|
|
|
3627 |
str[newlength] = '\r';
|
|
|
3628 |
i++;
|
|
|
3629 |
}
|
|
|
3630 |
else if (ch == 't') {
|
|
|
3631 |
str[newlength] = '\t';
|
|
|
3632 |
i++;
|
|
|
3633 |
}
|
|
|
3634 |
else if (ch == '\\') {
|
|
|
3635 |
str[newlength] = '\\';
|
|
|
3636 |
i++;
|
|
|
3637 |
}
|
|
|
3638 |
}
|
|
|
3639 |
newlength++;
|
|
|
3640 |
}
|
|
|
3641 |
str[newlength] = '\0';
|
|
|
3642 |
if (offset != (unsigned int *)NULL)
|
|
|
3643 |
*offset = i;
|
|
|
3644 |
return str;
|
|
|
3645 |
}
|
|
|
3646 |
|
|
|
3647 |
dsc_private int
|
|
|
3648 |
dsc_get_int(const char *line, unsigned int len, unsigned int *offset)
|
|
|
3649 |
{
|
|
|
3650 |
char newline[MAXSTR];
|
|
|
3651 |
int newlength = 0;
|
|
|
3652 |
unsigned int i = 0;
|
|
|
3653 |
unsigned char ch;
|
|
|
3654 |
|
|
|
3655 |
len = min(len, sizeof(newline)-1);
|
|
|
3656 |
while ((i<len) && IS_WHITE(line[i]))
|
|
|
3657 |
i++; /* skip leading spaces */
|
|
|
3658 |
while (i < len) {
|
|
|
3659 |
newline[newlength] = ch = line[i];
|
|
|
3660 |
if (!(isdigit(ch) || (ch=='-') || (ch=='+')))
|
|
|
3661 |
break; /* not part of an integer number */
|
|
|
3662 |
i++;
|
|
|
3663 |
newlength++;
|
|
|
3664 |
}
|
|
|
3665 |
while ((i<len) && IS_WHITE(line[i]))
|
|
|
3666 |
i++; /* skip trailing spaces */
|
|
|
3667 |
newline[newlength] = '\0';
|
|
|
3668 |
if (offset != (unsigned int *)NULL)
|
|
|
3669 |
*offset = i;
|
|
|
3670 |
return atoi(newline);
|
|
|
3671 |
}
|
|
|
3672 |
|
|
|
3673 |
dsc_private float
|
|
|
3674 |
dsc_get_real(const char *line, unsigned int len, unsigned int *offset)
|
|
|
3675 |
{
|
|
|
3676 |
char newline[MAXSTR];
|
|
|
3677 |
int newlength = 0;
|
|
|
3678 |
unsigned int i = 0;
|
|
|
3679 |
unsigned char ch;
|
|
|
3680 |
|
|
|
3681 |
len = min(len, sizeof(newline)-1);
|
|
|
3682 |
while ((i<len) && IS_WHITE(line[i]))
|
|
|
3683 |
i++; /* skip leading spaces */
|
|
|
3684 |
while (i < len) {
|
|
|
3685 |
newline[newlength] = ch = line[i];
|
|
|
3686 |
if (!(isdigit(ch) || (ch=='.') || (ch=='-') || (ch=='+')
|
|
|
3687 |
|| (ch=='e') || (ch=='E')))
|
|
|
3688 |
break; /* not part of a real number */
|
|
|
3689 |
i++;
|
|
|
3690 |
newlength++;
|
|
|
3691 |
}
|
|
|
3692 |
while ((i<len) && IS_WHITE(line[i]))
|
|
|
3693 |
i++; /* skip trailing spaces */
|
|
|
3694 |
|
|
|
3695 |
newline[newlength] = '\0';
|
|
|
3696 |
|
|
|
3697 |
if (offset != (unsigned int *)NULL)
|
|
|
3698 |
*offset = i;
|
|
|
3699 |
return (float)atof(newline);
|
|
|
3700 |
}
|
|
|
3701 |
|
|
|
3702 |
int
|
|
|
3703 |
dsc_stricmp(const char *s, const char *t)
|
|
|
3704 |
{
|
|
|
3705 |
while (toupper(*s) == toupper(*t)) {
|
|
|
3706 |
if (*s == '\0')
|
|
|
3707 |
return 0;
|
|
|
3708 |
s++;
|
|
|
3709 |
t++;
|
|
|
3710 |
}
|
|
|
3711 |
return (toupper(*s) - toupper(*t));
|
|
|
3712 |
}
|
|
|
3713 |
|
|
|
3714 |
|
|
|
3715 |
dsc_private int
|
|
|
3716 |
dsc_parse_page(CDSC *dsc)
|
|
|
3717 |
{
|
|
|
3718 |
char *p;
|
|
|
3719 |
unsigned int i;
|
|
|
3720 |
char page_label[MAXSTR];
|
|
|
3721 |
char *pl;
|
|
|
3722 |
int page_ordinal;
|
|
|
3723 |
int page_number;
|
|
|
3724 |
|
|
|
3725 |
p = dsc->line + 7;
|
|
|
3726 |
pl = dsc_copy_string(page_label, sizeof(page_label), p, dsc->line_length-7, &i);
|
|
|
3727 |
if (pl == NULL)
|
|
|
3728 |
return CDSC_ERROR;
|
|
|
3729 |
p += i;
|
|
|
3730 |
if (dsc->line_length - 7 - i == 0) {
|
|
|
3731 |
/* Ordinal missing, or parentheses not matched in label */
|
|
|
3732 |
/* Try to find ordinal at end of line */
|
|
|
3733 |
while (i > 0) {
|
|
|
3734 |
if (!IS_WHITE_OR_EOL(p[-1]))
|
|
|
3735 |
break;
|
|
|
3736 |
p--;
|
|
|
3737 |
i--;
|
|
|
3738 |
}
|
|
|
3739 |
while (i > 0) {
|
|
|
3740 |
if (!isdigit((int)p[-1]))
|
|
|
3741 |
break;
|
|
|
3742 |
p--;
|
|
|
3743 |
i--;
|
|
|
3744 |
}
|
|
|
3745 |
}
|
|
|
3746 |
page_ordinal = dsc_get_int(p, dsc->line_length - 7 - i, NULL);
|
|
|
3747 |
|
|
|
3748 |
if ( (page_ordinal == 0) || (strlen(page_label) == 0) ||
|
|
|
3749 |
(dsc->page_count &&
|
|
|
3750 |
(page_ordinal != dsc->page[dsc->page_count-1].ordinal+1)) ) {
|
|
|
3751 |
int rc = dsc_error(dsc, CDSC_MESSAGE_PAGE_ORDINAL, dsc->line,
|
|
|
3752 |
dsc->line_length);
|
|
|
3753 |
switch (rc) {
|
|
|
3754 |
case CDSC_RESPONSE_OK:
|
|
|
3755 |
/* ignore this page */
|
|
|
3756 |
return CDSC_OK;
|
|
|
3757 |
case CDSC_RESPONSE_CANCEL:
|
|
|
3758 |
/* accept the page */
|
|
|
3759 |
break;
|
|
|
3760 |
case CDSC_RESPONSE_IGNORE_ALL:
|
|
|
3761 |
return CDSC_NOTDSC;
|
|
|
3762 |
}
|
|
|
3763 |
}
|
|
|
3764 |
|
|
|
3765 |
page_number = dsc->page_count;
|
|
|
3766 |
dsc_add_page(dsc, page_ordinal, page_label);
|
|
|
3767 |
dsc->page[page_number].begin = DSC_START(dsc);
|
|
|
3768 |
dsc->page[page_number].end = DSC_START(dsc);
|
|
|
3769 |
|
|
|
3770 |
if (dsc->page[page_number].label == NULL)
|
|
|
3771 |
return CDSC_ERROR; /* no memory */
|
|
|
3772 |
|
|
|
3773 |
return CDSC_OK;
|
|
|
3774 |
}
|
|
|
3775 |
|
|
|
3776 |
|
|
|
3777 |
|
|
|
3778 |
/* DSC error reporting */
|
|
|
3779 |
|
|
|
3780 |
void
|
|
|
3781 |
dsc_debug_print(CDSC *dsc, const char *str)
|
|
|
3782 |
{
|
|
|
3783 |
if (dsc->debug_print_fn)
|
|
|
3784 |
dsc->debug_print_fn(dsc->caller_data, str);
|
|
|
3785 |
}
|
|
|
3786 |
|
|
|
3787 |
|
|
|
3788 |
/* Display a message about a problem with the DSC comments.
|
|
|
3789 |
*
|
|
|
3790 |
* explanation = an index to to a multiline explanation in dsc_message[]
|
|
|
3791 |
* line = pointer to the offending DSC line (if any)
|
|
|
3792 |
* return code =
|
|
|
3793 |
* CDSC_RESPONSE_OK DSC was wrong, make a guess about what
|
|
|
3794 |
* was really meant.
|
|
|
3795 |
* CDSC_RESPONSE_CANCEL Assume DSC was correct, ignore if it
|
|
|
3796 |
* is misplaced.
|
|
|
3797 |
* CDSC_RESPONSE_IGNORE_ALL Ignore all DSC.
|
|
|
3798 |
*/
|
|
|
3799 |
/* Silent operation. Don't display errors. */
|
|
|
3800 |
dsc_private int
|
|
|
3801 |
dsc_error(CDSC *dsc, unsigned int explanation,
|
|
|
3802 |
char *line, unsigned int line_len)
|
|
|
3803 |
{
|
|
|
3804 |
/* if error function provided, use it */
|
|
|
3805 |
if (dsc->dsc_error_fn)
|
|
|
3806 |
return dsc->dsc_error_fn(dsc->caller_data, dsc,
|
|
|
3807 |
explanation, line, line_len);
|
|
|
3808 |
|
|
|
3809 |
/* treat DSC as being correct */
|
|
|
3810 |
return CDSC_RESPONSE_CANCEL;
|
|
|
3811 |
}
|
|
|
3812 |
|
|
|
3813 |
|
|
|
3814 |
/* Fixup if DCS 2.0 was used */
|
|
|
3815 |
dsc_private int
|
|
|
3816 |
dsc_dcs2_fixup(CDSC *dsc)
|
|
|
3817 |
{
|
|
|
3818 |
char composite[] = "Composite";
|
|
|
3819 |
/* If DCS 2.0 single file format found, expose the separations
|
|
|
3820 |
* as multiple pages. Treat the initial EPS file as a single
|
|
|
3821 |
* page without comments, prolog or trailer.
|
|
|
3822 |
*/
|
|
|
3823 |
if (dsc->dcs2) {
|
|
|
3824 |
int code = CDSC_OK;
|
|
|
3825 |
int page_number;
|
|
|
3826 |
DSC_OFFSET *pbegin;
|
|
|
3827 |
DSC_OFFSET *pend;
|
|
|
3828 |
DSC_OFFSET end;
|
|
|
3829 |
CDCS2 *pdcs = dsc->dcs2;
|
|
|
3830 |
/* Now treat the initial EPS file as a single page without
|
|
|
3831 |
* headers or trailer, so page extraction will fetch the
|
|
|
3832 |
* the correct separation. */
|
|
|
3833 |
if (dsc->page_count == 0)
|
|
|
3834 |
code = dsc_add_page(dsc, 1, composite);
|
|
|
3835 |
else if (dsc->page_count == 1)
|
|
|
3836 |
dsc->page[0].label =
|
|
|
3837 |
dsc_alloc_string(dsc, composite, (int)strlen(composite)+1);
|
|
|
3838 |
if (code != CDSC_OK)
|
|
|
3839 |
return code;
|
|
|
3840 |
page_number = dsc->page_count - 1;
|
|
|
3841 |
pbegin = &dsc->page[page_number].begin;
|
|
|
3842 |
pend = &dsc->page[page_number].end;
|
|
|
3843 |
if (*pbegin == *pend) {
|
|
|
3844 |
/* no page, so force it to conform to the following sections */
|
|
|
3845 |
*pbegin = 999999999;
|
|
|
3846 |
*pend = 0;
|
|
|
3847 |
}
|
|
|
3848 |
|
|
|
3849 |
if (dsc->begincomments != dsc->endcomments) {
|
|
|
3850 |
*pbegin = min(dsc->begincomments, *pbegin);
|
|
|
3851 |
dsc->begincomments = 0;
|
|
|
3852 |
*pend = max(dsc->endcomments, *pend);
|
|
|
3853 |
dsc->endcomments = 0;
|
|
|
3854 |
}
|
|
|
3855 |
|
|
|
3856 |
if (dsc->beginpreview != dsc->endpreview) {
|
|
|
3857 |
*pbegin = min(dsc->beginpreview, *pbegin);
|
|
|
3858 |
dsc->beginpreview = 0;
|
|
|
3859 |
*pend = max(dsc->endpreview, *pend);
|
|
|
3860 |
dsc->endpreview = 0;
|
|
|
3861 |
}
|
|
|
3862 |
|
|
|
3863 |
if (dsc->begindefaults != dsc->enddefaults) {
|
|
|
3864 |
*pbegin = min(dsc->begindefaults, *pbegin);
|
|
|
3865 |
dsc->begindefaults = 0;
|
|
|
3866 |
*pend = max(dsc->enddefaults, *pend);
|
|
|
3867 |
dsc->enddefaults = 0;
|
|
|
3868 |
}
|
|
|
3869 |
|
|
|
3870 |
if (dsc->beginprolog != dsc->endprolog) {
|
|
|
3871 |
*pbegin = min(dsc->beginprolog, *pbegin);
|
|
|
3872 |
dsc->beginprolog = 0;
|
|
|
3873 |
*pend = max(dsc->endprolog, *pend);
|
|
|
3874 |
dsc->endprolog = 0;
|
|
|
3875 |
}
|
|
|
3876 |
|
|
|
3877 |
if (dsc->beginsetup != dsc->endsetup) {
|
|
|
3878 |
*pbegin = min(dsc->beginsetup, *pbegin);
|
|
|
3879 |
dsc->beginsetup = 0;
|
|
|
3880 |
*pend = max(dsc->endsetup, *pend);
|
|
|
3881 |
dsc->endsetup = 0;
|
|
|
3882 |
}
|
|
|
3883 |
|
|
|
3884 |
if (dsc->begintrailer != dsc->endtrailer) {
|
|
|
3885 |
*pbegin = min(dsc->begintrailer, *pbegin);
|
|
|
3886 |
dsc->begintrailer = 0;
|
|
|
3887 |
*pend = max(dsc->endtrailer, *pend);
|
|
|
3888 |
dsc->endtrailer = 0;
|
|
|
3889 |
}
|
|
|
3890 |
|
|
|
3891 |
if (*pbegin == 999999999)
|
|
|
3892 |
*pbegin = *pend;
|
|
|
3893 |
end = 0; /* end of composite is start of first separation */
|
|
|
3894 |
|
|
|
3895 |
while (pdcs) {
|
|
|
3896 |
page_number = dsc->page_count;
|
|
|
3897 |
if ((pdcs->begin) && (pdcs->colourname != NULL)) {
|
|
|
3898 |
/* Single file DCS 2.0 */
|
|
|
3899 |
code = dsc_add_page(dsc, page_number+1, pdcs->colourname);
|
|
|
3900 |
if (code)
|
|
|
3901 |
return code;
|
|
|
3902 |
dsc->page[page_number].begin = pdcs->begin;
|
|
|
3903 |
dsc->page[page_number].end = pdcs->end;
|
|
|
3904 |
if (end != 0)
|
|
|
3905 |
end = min(end, pdcs->begin);
|
|
|
3906 |
else
|
|
|
3907 |
end = pdcs->begin; /* first separation */
|
|
|
3908 |
}
|
|
|
3909 |
else {
|
|
|
3910 |
/* Multiple file DCS 2.0 */
|
|
|
3911 |
if ((pdcs->location != NULL) &&
|
|
|
3912 |
(pdcs->filetype != NULL) &&
|
|
|
3913 |
(pdcs->colourname != NULL) &&
|
|
|
3914 |
(dsc_stricmp(pdcs->location, "Local") == 0) &&
|
|
|
3915 |
((dsc_stricmp(pdcs->filetype, "EPS") == 0) ||
|
|
|
3916 |
(dsc_stricmp(pdcs->filetype, "EPSF") == 0))) {
|
|
|
3917 |
code = dsc_add_page(dsc, page_number+1, pdcs->colourname);
|
|
|
3918 |
if (code)
|
|
|
3919 |
return code;
|
|
|
3920 |
dsc->page[page_number].begin = 0;
|
|
|
3921 |
dsc->page[page_number].end = 0;
|
|
|
3922 |
}
|
|
|
3923 |
}
|
|
|
3924 |
pdcs = pdcs->next;
|
|
|
3925 |
}
|
|
|
3926 |
/* end of composite is start of first separation */
|
|
|
3927 |
if (end != 0)
|
|
|
3928 |
*pend = end;
|
|
|
3929 |
/* According to the DCS2 specification, the size of the composite
|
|
|
3930 |
* section can be determined by the smallest #offset.
|
|
|
3931 |
* Some incorrect DCS2 files don't put the separations inside
|
|
|
3932 |
* the DOS EPS PostScript section, and have a TIFF separation
|
|
|
3933 |
* between the composite and the first separation. This
|
|
|
3934 |
* contravenes the DCS2 specification. If we see one of these
|
|
|
3935 |
* files, bring the end of the composite back to the end of
|
|
|
3936 |
* the DOS EPS PostScript section.
|
|
|
3937 |
*/
|
|
|
3938 |
if (dsc->doseps_end && (*pend > dsc->doseps_end))
|
|
|
3939 |
*pend = dsc->doseps_end;
|
|
|
3940 |
}
|
|
|
3941 |
return 0;
|
|
|
3942 |
}
|
|
|
3943 |
|
|
|
3944 |
|
|
|
3945 |
dsc_private int
|
|
|
3946 |
dsc_parse_platefile(CDSC *dsc)
|
|
|
3947 |
{
|
|
|
3948 |
unsigned int i, n;
|
|
|
3949 |
CDCS2 dcs2;
|
|
|
3950 |
CDCS2 *pdcs2;
|
|
|
3951 |
char colourname[MAXSTR];
|
|
|
3952 |
char filetype[MAXSTR];
|
|
|
3953 |
char location[MAXSTR];
|
|
|
3954 |
char *filename = NULL;
|
|
|
3955 |
int filename_length = 0;
|
|
|
3956 |
GSBOOL blank_line;
|
|
|
3957 |
GSBOOL single = FALSE;
|
|
|
3958 |
if (IS_DSC(dsc->line, "%%PlateFile:"))
|
|
|
3959 |
n = 12;
|
|
|
3960 |
else if (IS_DSC(dsc->line, "%%+"))
|
|
|
3961 |
n = 3;
|
|
|
3962 |
else
|
|
|
3963 |
return CDSC_ERROR; /* error */
|
|
|
3964 |
|
|
|
3965 |
memset(&dcs2, 0, sizeof(dcs2));
|
|
|
3966 |
memset(&colourname, 0, sizeof(colourname));
|
|
|
3967 |
memset(&filetype, 0, sizeof(filetype));
|
|
|
3968 |
memset(&location, 0, sizeof(location));
|
|
|
3969 |
memset(&filename, 0, sizeof(filename));
|
|
|
3970 |
|
|
|
3971 |
/* check for blank remainder of line */
|
|
|
3972 |
blank_line = TRUE;
|
|
|
3973 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
3974 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
3975 |
blank_line = FALSE;
|
|
|
3976 |
break;
|
|
|
3977 |
}
|
|
|
3978 |
}
|
|
|
3979 |
|
|
|
3980 |
if (!blank_line) {
|
|
|
3981 |
dsc_copy_string(colourname, sizeof(colourname),
|
|
|
3982 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
3983 |
n+=i;
|
|
|
3984 |
if (i)
|
|
|
3985 |
dsc_copy_string(filetype, sizeof(filetype),
|
|
|
3986 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
3987 |
n+=i;
|
|
|
3988 |
while (IS_WHITE_OR_EOL(dsc->line[n]))
|
|
|
3989 |
n++;
|
|
|
3990 |
if (dsc->line[n] == '#') {
|
|
|
3991 |
/* single file DCS 2.0 */
|
|
|
3992 |
single = TRUE;
|
|
|
3993 |
n++;
|
|
|
3994 |
if (i)
|
|
|
3995 |
dcs2.begin= dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
3996 |
n+=i;
|
|
|
3997 |
if (i)
|
|
|
3998 |
dcs2.end= dcs2.begin +
|
|
|
3999 |
dsc_get_int(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4000 |
}
|
|
|
4001 |
else {
|
|
|
4002 |
/* multiple file DCS 2.0 */
|
|
|
4003 |
if (i)
|
|
|
4004 |
dsc_copy_string(location, sizeof(location),
|
|
|
4005 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
4006 |
n+=i;
|
|
|
4007 |
if (i) {
|
|
|
4008 |
filename = dsc->line+n;
|
|
|
4009 |
filename_length = dsc->line_length-n;
|
|
|
4010 |
}
|
|
|
4011 |
}
|
|
|
4012 |
if (i==0)
|
|
|
4013 |
dsc_unknown(dsc); /* we didn't get all fields */
|
|
|
4014 |
else {
|
|
|
4015 |
/* Allocate strings */
|
|
|
4016 |
if (strlen(colourname))
|
|
|
4017 |
dcs2.colourname = dsc_alloc_string(dsc,
|
|
|
4018 |
colourname, (int)strlen(colourname));
|
|
|
4019 |
if (strlen(filetype))
|
|
|
4020 |
dcs2.filetype = dsc_alloc_string(dsc,
|
|
|
4021 |
filetype, (int)strlen(filetype));
|
|
|
4022 |
if (strlen(location))
|
|
|
4023 |
dcs2.location = dsc_alloc_string(dsc,
|
|
|
4024 |
location, (int)strlen(location));
|
|
|
4025 |
if (filename)
|
|
|
4026 |
dcs2.filename = dsc_add_line(dsc, filename, filename_length);
|
|
|
4027 |
|
|
|
4028 |
/* Prevent parser from reading separations */
|
|
|
4029 |
if (single)
|
|
|
4030 |
dsc->file_length = min(dsc->file_length, dcs2.begin);
|
|
|
4031 |
/* Allocate it */
|
|
|
4032 |
pdcs2 = (CDCS2 *)dsc_memalloc(dsc, sizeof(CDCS2));
|
|
|
4033 |
if (pdcs2 == NULL)
|
|
|
4034 |
return CDSC_ERROR; /* out of memory */
|
|
|
4035 |
memcpy(pdcs2, &dcs2, sizeof(CDCS2));
|
|
|
4036 |
/* Then add to list of separations */
|
|
|
4037 |
if (dsc->dcs2 == NULL)
|
|
|
4038 |
dsc->dcs2 = pdcs2;
|
|
|
4039 |
else {
|
|
|
4040 |
CDCS2 *this_dcs2 = dsc->dcs2;
|
|
|
4041 |
while (this_dcs2->next)
|
|
|
4042 |
this_dcs2 = this_dcs2->next;
|
|
|
4043 |
this_dcs2->next = pdcs2;
|
|
|
4044 |
}
|
|
|
4045 |
}
|
|
|
4046 |
}
|
|
|
4047 |
return CDSC_OK;
|
|
|
4048 |
}
|
|
|
4049 |
|
|
|
4050 |
/* Parse a DCS 1.0 plate comment, storing like a multi file DSC 2.0 */
|
|
|
4051 |
dsc_private int
|
|
|
4052 |
dsc_parse_dcs1plate(CDSC *dsc)
|
|
|
4053 |
{
|
|
|
4054 |
unsigned int i, n = 0;
|
|
|
4055 |
CDCS2 dcs2;
|
|
|
4056 |
CDCS2 *pdcs2;
|
|
|
4057 |
const char *colourname;
|
|
|
4058 |
char filename[MAXSTR];
|
|
|
4059 |
GSBOOL blank_line;
|
|
|
4060 |
GSBOOL continued = FALSE;
|
|
|
4061 |
char *line = dsc->line;
|
|
|
4062 |
|
|
|
4063 |
memset(&dcs2, 0, sizeof(dcs2));
|
|
|
4064 |
memset(&filename, 0, sizeof(filename));
|
|
|
4065 |
|
|
|
4066 |
if (IS_DSC(line, "%%+")) {
|
|
|
4067 |
n = 3;
|
|
|
4068 |
line = dsc->last_line;
|
|
|
4069 |
continued = TRUE;
|
|
|
4070 |
}
|
|
|
4071 |
|
|
|
4072 |
if (IS_DSC(line, "%%CyanPlate:")) {
|
|
|
4073 |
colourname = "Cyan";
|
|
|
4074 |
if (!continued)
|
|
|
4075 |
n = 12;
|
|
|
4076 |
}
|
|
|
4077 |
else if (IS_DSC(line, "%%MagentaPlate:")) {
|
|
|
4078 |
colourname = "Magenta";
|
|
|
4079 |
if (!continued)
|
|
|
4080 |
n = 15;
|
|
|
4081 |
}
|
|
|
4082 |
else if (IS_DSC(line, "%%YellowPlate:")) {
|
|
|
4083 |
colourname = "Yellow";
|
|
|
4084 |
if (!continued)
|
|
|
4085 |
n = 14;
|
|
|
4086 |
}
|
|
|
4087 |
else if (IS_DSC(line, "%%BlackPlate:")) {
|
|
|
4088 |
colourname = "Black";
|
|
|
4089 |
if (!continued)
|
|
|
4090 |
n = 13;
|
|
|
4091 |
}
|
|
|
4092 |
else
|
|
|
4093 |
return CDSC_ERROR; /* error */
|
|
|
4094 |
|
|
|
4095 |
/* check for blank remainder of line */
|
|
|
4096 |
blank_line = TRUE;
|
|
|
4097 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
4098 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
4099 |
blank_line = FALSE;
|
|
|
4100 |
break;
|
|
|
4101 |
}
|
|
|
4102 |
}
|
|
|
4103 |
|
|
|
4104 |
if (!blank_line) {
|
|
|
4105 |
dsc_copy_string(filename, sizeof(filename),
|
|
|
4106 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
4107 |
if (i==0)
|
|
|
4108 |
dsc_unknown(dsc); /* we didn't get all fields */
|
|
|
4109 |
else {
|
|
|
4110 |
/* Allocate strings */
|
|
|
4111 |
dcs2.colourname = dsc_alloc_string(dsc,
|
|
|
4112 |
colourname, (int)strlen(colourname));
|
|
|
4113 |
dcs2.filetype = dsc_alloc_string(dsc, "EPS", 3);
|
|
|
4114 |
dcs2.location = dsc_alloc_string(dsc, "Local", 5);
|
|
|
4115 |
if (strlen(filename))
|
|
|
4116 |
dcs2.filename = dsc_alloc_string(dsc,
|
|
|
4117 |
filename, (int)strlen(filename));
|
|
|
4118 |
/* Allocate it */
|
|
|
4119 |
pdcs2 = (CDCS2 *)dsc_memalloc(dsc, sizeof(CDCS2));
|
|
|
4120 |
if (pdcs2 == NULL)
|
|
|
4121 |
return CDSC_ERROR; /* out of memory */
|
|
|
4122 |
memcpy(pdcs2, &dcs2, sizeof(CDCS2));
|
|
|
4123 |
/* Then add to list of separations */
|
|
|
4124 |
if (dsc->dcs2 == NULL)
|
|
|
4125 |
dsc->dcs2 = pdcs2;
|
|
|
4126 |
else {
|
|
|
4127 |
CDCS2 *this_dcs2 = dsc->dcs2;
|
|
|
4128 |
while (this_dcs2->next)
|
|
|
4129 |
this_dcs2 = this_dcs2->next;
|
|
|
4130 |
this_dcs2->next = pdcs2;
|
|
|
4131 |
}
|
|
|
4132 |
}
|
|
|
4133 |
}
|
|
|
4134 |
return CDSC_OK;
|
|
|
4135 |
}
|
|
|
4136 |
|
|
|
4137 |
|
|
|
4138 |
/* Find the filename which corresponds to this separation.
|
|
|
4139 |
* Used with multiple file DCS 2.0.
|
|
|
4140 |
* Returns NULL if there is no filename, or not DCS 2.0,
|
|
|
4141 |
* or single file DCS 2.0.
|
|
|
4142 |
* Caller will need to obtain the filesize from the file.
|
|
|
4143 |
*/
|
|
|
4144 |
const char *
|
|
|
4145 |
dsc_find_platefile(CDSC *dsc, int page)
|
|
|
4146 |
{
|
|
|
4147 |
CDCS2 *pdcs = dsc->dcs2;
|
|
|
4148 |
int i = 1;
|
|
|
4149 |
while (pdcs) {
|
|
|
4150 |
if (pdcs->begin != pdcs->end)
|
|
|
4151 |
return NULL; /* Single file DCS 2.0 */
|
|
|
4152 |
if (pdcs->location && pdcs->filetype && pdcs->colourname
|
|
|
4153 |
&& (dsc_stricmp(pdcs->location, "Local") == 0)
|
|
|
4154 |
&& ((dsc_stricmp(pdcs->filetype, "EPS") == 0) ||
|
|
|
4155 |
(dsc_stricmp(pdcs->filetype, "EPSF") == 0))) {
|
|
|
4156 |
if (i == page)
|
|
|
4157 |
return pdcs->filename;
|
|
|
4158 |
i++;
|
|
|
4159 |
}
|
|
|
4160 |
pdcs = pdcs->next;
|
|
|
4161 |
}
|
|
|
4162 |
return NULL;
|
|
|
4163 |
}
|
|
|
4164 |
|
|
|
4165 |
|
|
|
4166 |
dsc_private CDSCCOLOUR *
|
|
|
4167 |
dsc_find_colour(CDSC *dsc, const char *colourname)
|
|
|
4168 |
{
|
|
|
4169 |
CDSCCOLOUR *colour = dsc->colours;
|
|
|
4170 |
while (colour) {
|
|
|
4171 |
if (colour->name && (dsc_stricmp(colour->name, colourname)==0))
|
|
|
4172 |
return colour;
|
|
|
4173 |
colour = colour->next;
|
|
|
4174 |
}
|
|
|
4175 |
return 0;
|
|
|
4176 |
}
|
|
|
4177 |
|
|
|
4178 |
dsc_private int
|
|
|
4179 |
dsc_parse_process_colours(CDSC *dsc)
|
|
|
4180 |
{
|
|
|
4181 |
unsigned int i, n;
|
|
|
4182 |
CDSCCOLOUR *pcolour;
|
|
|
4183 |
char colourname[MAXSTR];
|
|
|
4184 |
GSBOOL blank_line;
|
|
|
4185 |
if (IS_DSC(dsc->line, "%%DocumentProcessColors:"))
|
|
|
4186 |
n = 24;
|
|
|
4187 |
else if (IS_DSC(dsc->line, "%%+"))
|
|
|
4188 |
n = 3;
|
|
|
4189 |
else
|
|
|
4190 |
return CDSC_ERROR; /* error */
|
|
|
4191 |
|
|
|
4192 |
memset(&colourname, 0, sizeof(colourname));
|
|
|
4193 |
|
|
|
4194 |
/* check for blank remainder of line */
|
|
|
4195 |
blank_line = TRUE;
|
|
|
4196 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
4197 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
4198 |
blank_line = FALSE;
|
|
|
4199 |
break;
|
|
|
4200 |
}
|
|
|
4201 |
}
|
|
|
4202 |
while (IS_WHITE(dsc->line[n]))
|
|
|
4203 |
n++;
|
|
|
4204 |
if (COMPARE(dsc->line+n, "(atend)")) {
|
|
|
4205 |
if (dsc->scan_section == scan_comments)
|
|
|
4206 |
blank_line = TRUE;
|
|
|
4207 |
else {
|
|
|
4208 |
dsc_unknown(dsc);
|
|
|
4209 |
return CDSC_NOTDSC;
|
|
|
4210 |
}
|
|
|
4211 |
}
|
|
|
4212 |
|
|
|
4213 |
if (!blank_line) {
|
|
|
4214 |
do {
|
|
|
4215 |
dsc_copy_string(colourname, sizeof(colourname),
|
|
|
4216 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
4217 |
n+=i;
|
|
|
4218 |
if (i && strlen(colourname)) {
|
|
|
4219 |
if ((pcolour = dsc_find_colour(dsc, colourname)) == NULL) {
|
|
|
4220 |
pcolour = (CDSCCOLOUR *)
|
|
|
4221 |
dsc_memalloc(dsc, sizeof(CDSCCOLOUR));
|
|
|
4222 |
if (pcolour == NULL)
|
|
|
4223 |
return CDSC_ERROR; /* out of memory */
|
|
|
4224 |
memset(pcolour, 0, sizeof(CDSCCOLOUR));
|
|
|
4225 |
pcolour->custom = CDSC_CUSTOM_COLOUR_UNKNOWN;
|
|
|
4226 |
pcolour->name = dsc_alloc_string(dsc,
|
|
|
4227 |
colourname, (int)strlen(colourname));
|
|
|
4228 |
if (dsc->colours == NULL)
|
|
|
4229 |
dsc->colours = pcolour;
|
|
|
4230 |
else {
|
|
|
4231 |
CDSCCOLOUR *this_colour = dsc->colours;
|
|
|
4232 |
while (this_colour->next)
|
|
|
4233 |
this_colour = this_colour->next;
|
|
|
4234 |
this_colour->next = pcolour;
|
|
|
4235 |
}
|
|
|
4236 |
}
|
|
|
4237 |
pcolour->type = CDSC_COLOUR_PROCESS;
|
|
|
4238 |
if (dsc_stricmp(colourname, "Cyan")==0) {
|
|
|
4239 |
pcolour->custom = CDSC_CUSTOM_COLOUR_CMYK;
|
|
|
4240 |
pcolour->cyan = 1.0;
|
|
|
4241 |
pcolour->magenta = pcolour->yellow = pcolour->black = 0.0;
|
|
|
4242 |
}
|
|
|
4243 |
else if (dsc_stricmp(colourname, "Magenta")==0) {
|
|
|
4244 |
pcolour->custom = CDSC_CUSTOM_COLOUR_CMYK;
|
|
|
4245 |
pcolour->magenta = 1.0;
|
|
|
4246 |
pcolour->cyan = pcolour->yellow = pcolour->black = 0.0;
|
|
|
4247 |
}
|
|
|
4248 |
else if (dsc_stricmp(colourname, "Yellow")==0) {
|
|
|
4249 |
pcolour->custom = CDSC_CUSTOM_COLOUR_CMYK;
|
|
|
4250 |
pcolour->yellow = 1.0;
|
|
|
4251 |
pcolour->cyan = pcolour->magenta = pcolour->black = 0.0;
|
|
|
4252 |
}
|
|
|
4253 |
else if (dsc_stricmp(colourname, "Black")==0) {
|
|
|
4254 |
pcolour->custom = CDSC_CUSTOM_COLOUR_CMYK;
|
|
|
4255 |
pcolour->black = 1.0;
|
|
|
4256 |
pcolour->cyan = pcolour->magenta = pcolour->yellow = 0.0;
|
|
|
4257 |
}
|
|
|
4258 |
else if (dsc_stricmp(colourname, "Red")==0) {
|
|
|
4259 |
pcolour->custom = CDSC_CUSTOM_COLOUR_RGB;
|
|
|
4260 |
pcolour->red = 1.0;
|
|
|
4261 |
pcolour->green = pcolour->blue = 0.0;
|
|
|
4262 |
}
|
|
|
4263 |
else if (dsc_stricmp(colourname, "Green")==0) {
|
|
|
4264 |
pcolour->custom = CDSC_CUSTOM_COLOUR_RGB;
|
|
|
4265 |
pcolour->green = 1.0;
|
|
|
4266 |
pcolour->red = pcolour->blue = 0.0;
|
|
|
4267 |
}
|
|
|
4268 |
else if (dsc_stricmp(colourname, "Blue")==0) {
|
|
|
4269 |
pcolour->custom = CDSC_CUSTOM_COLOUR_RGB;
|
|
|
4270 |
pcolour->blue = 1.0;
|
|
|
4271 |
pcolour->red = pcolour->green = 0.0;
|
|
|
4272 |
}
|
|
|
4273 |
}
|
|
|
4274 |
} while (i != 0);
|
|
|
4275 |
}
|
|
|
4276 |
return CDSC_OK;
|
|
|
4277 |
}
|
|
|
4278 |
|
|
|
4279 |
dsc_private int
|
|
|
4280 |
dsc_parse_custom_colours(CDSC *dsc)
|
|
|
4281 |
{
|
|
|
4282 |
unsigned int i, n;
|
|
|
4283 |
CDSCCOLOUR *pcolour;
|
|
|
4284 |
char colourname[MAXSTR];
|
|
|
4285 |
GSBOOL blank_line;
|
|
|
4286 |
if (IS_DSC(dsc->line, "%%DocumentCustomColors:"))
|
|
|
4287 |
n = 23;
|
|
|
4288 |
else if (IS_DSC(dsc->line, "%%+"))
|
|
|
4289 |
n = 3;
|
|
|
4290 |
else
|
|
|
4291 |
return CDSC_ERROR; /* error */
|
|
|
4292 |
|
|
|
4293 |
memset(&colourname, 0, sizeof(colourname));
|
|
|
4294 |
|
|
|
4295 |
/* check for blank remainder of line */
|
|
|
4296 |
blank_line = TRUE;
|
|
|
4297 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
4298 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
4299 |
blank_line = FALSE;
|
|
|
4300 |
break;
|
|
|
4301 |
}
|
|
|
4302 |
}
|
|
|
4303 |
while (IS_WHITE(dsc->line[n]))
|
|
|
4304 |
n++;
|
|
|
4305 |
if (COMPARE(dsc->line+n, "(atend)")) {
|
|
|
4306 |
if (dsc->scan_section == scan_comments)
|
|
|
4307 |
blank_line = TRUE;
|
|
|
4308 |
else {
|
|
|
4309 |
dsc_unknown(dsc);
|
|
|
4310 |
return CDSC_NOTDSC;
|
|
|
4311 |
}
|
|
|
4312 |
}
|
|
|
4313 |
|
|
|
4314 |
if (!blank_line) {
|
|
|
4315 |
do {
|
|
|
4316 |
dsc_copy_string(colourname, sizeof(colourname),
|
|
|
4317 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
4318 |
n+=i;
|
|
|
4319 |
if (i && strlen(colourname)) {
|
|
|
4320 |
if ((pcolour = dsc_find_colour(dsc, colourname)) == NULL) {
|
|
|
4321 |
pcolour = (CDSCCOLOUR *)
|
|
|
4322 |
dsc_memalloc(dsc, sizeof(CDSCCOLOUR));
|
|
|
4323 |
if (pcolour == NULL)
|
|
|
4324 |
return CDSC_ERROR; /* out of memory */
|
|
|
4325 |
memset(pcolour, 0, sizeof(CDSCCOLOUR));
|
|
|
4326 |
pcolour->name = dsc_alloc_string(dsc,
|
|
|
4327 |
colourname, (int)strlen(colourname));
|
|
|
4328 |
pcolour->custom = CDSC_CUSTOM_COLOUR_UNKNOWN;
|
|
|
4329 |
if (dsc->colours == NULL)
|
|
|
4330 |
dsc->colours = pcolour;
|
|
|
4331 |
else {
|
|
|
4332 |
CDSCCOLOUR *this_colour = dsc->colours;
|
|
|
4333 |
while (this_colour->next)
|
|
|
4334 |
this_colour = this_colour->next;
|
|
|
4335 |
this_colour->next = pcolour;
|
|
|
4336 |
}
|
|
|
4337 |
}
|
|
|
4338 |
pcolour->type = CDSC_COLOUR_CUSTOM;
|
|
|
4339 |
}
|
|
|
4340 |
} while (i != 0);
|
|
|
4341 |
}
|
|
|
4342 |
return CDSC_OK;
|
|
|
4343 |
}
|
|
|
4344 |
|
|
|
4345 |
|
|
|
4346 |
dsc_private int
|
|
|
4347 |
dsc_parse_cmyk_custom_colour(CDSC *dsc)
|
|
|
4348 |
{
|
|
|
4349 |
unsigned int i, n;
|
|
|
4350 |
CDSCCOLOUR *pcolour;
|
|
|
4351 |
char colourname[MAXSTR];
|
|
|
4352 |
float cyan, magenta, yellow, black;
|
|
|
4353 |
GSBOOL blank_line;
|
|
|
4354 |
if (IS_DSC(dsc->line, "%%CMYKCustomColor:"))
|
|
|
4355 |
n = 18;
|
|
|
4356 |
else if (IS_DSC(dsc->line, "%%+"))
|
|
|
4357 |
n = 3;
|
|
|
4358 |
else
|
|
|
4359 |
return CDSC_ERROR; /* error */
|
|
|
4360 |
|
|
|
4361 |
memset(&colourname, 0, sizeof(colourname));
|
|
|
4362 |
|
|
|
4363 |
/* check for blank remainder of line */
|
|
|
4364 |
|
|
|
4365 |
do {
|
|
|
4366 |
blank_line = TRUE;
|
|
|
4367 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
4368 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
4369 |
blank_line = FALSE;
|
|
|
4370 |
break;
|
|
|
4371 |
}
|
|
|
4372 |
}
|
|
|
4373 |
if (blank_line)
|
|
|
4374 |
break;
|
|
|
4375 |
else {
|
|
|
4376 |
cyan = magenta = yellow = black = 0.0;
|
|
|
4377 |
cyan = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4378 |
n += i;
|
|
|
4379 |
if (i)
|
|
|
4380 |
magenta = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4381 |
n += i;
|
|
|
4382 |
if (i)
|
|
|
4383 |
yellow = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4384 |
n += i;
|
|
|
4385 |
if (i)
|
|
|
4386 |
black = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4387 |
n += i;
|
|
|
4388 |
if (i)
|
|
|
4389 |
dsc_copy_string(colourname, sizeof(colourname),
|
|
|
4390 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
4391 |
n+=i;
|
|
|
4392 |
if (i && strlen(colourname)) {
|
|
|
4393 |
if ((pcolour = dsc_find_colour(dsc, colourname)) == NULL) {
|
|
|
4394 |
pcolour = (CDSCCOLOUR *)
|
|
|
4395 |
dsc_memalloc(dsc, sizeof(CDSCCOLOUR));
|
|
|
4396 |
if (pcolour == NULL)
|
|
|
4397 |
return CDSC_ERROR; /* out of memory */
|
|
|
4398 |
memset(pcolour, 0, sizeof(CDSCCOLOUR));
|
|
|
4399 |
pcolour->name = dsc_alloc_string(dsc,
|
|
|
4400 |
colourname, (int)strlen(colourname));
|
|
|
4401 |
pcolour->type = CDSC_COLOUR_UNKNOWN;
|
|
|
4402 |
if (dsc->colours == NULL)
|
|
|
4403 |
dsc->colours = pcolour;
|
|
|
4404 |
else {
|
|
|
4405 |
CDSCCOLOUR *this_colour = dsc->colours;
|
|
|
4406 |
while (this_colour->next)
|
|
|
4407 |
this_colour = this_colour->next;
|
|
|
4408 |
this_colour->next = pcolour;
|
|
|
4409 |
}
|
|
|
4410 |
}
|
|
|
4411 |
pcolour->custom = CDSC_CUSTOM_COLOUR_CMYK;
|
|
|
4412 |
pcolour->cyan = cyan;
|
|
|
4413 |
pcolour->magenta = magenta;
|
|
|
4414 |
pcolour->yellow = yellow;
|
|
|
4415 |
pcolour->black = black;
|
|
|
4416 |
}
|
|
|
4417 |
}
|
|
|
4418 |
} while (i != 0);
|
|
|
4419 |
return CDSC_OK;
|
|
|
4420 |
}
|
|
|
4421 |
|
|
|
4422 |
dsc_private int
|
|
|
4423 |
dsc_parse_rgb_custom_colour(CDSC *dsc)
|
|
|
4424 |
{
|
|
|
4425 |
unsigned int i, n;
|
|
|
4426 |
CDSCCOLOUR *pcolour;
|
|
|
4427 |
char colourname[MAXSTR];
|
|
|
4428 |
float red, green, blue;
|
|
|
4429 |
GSBOOL blank_line;
|
|
|
4430 |
if (IS_DSC(dsc->line, "%%RGBCustomColor:"))
|
|
|
4431 |
n = 17;
|
|
|
4432 |
else if (IS_DSC(dsc->line, "%%+"))
|
|
|
4433 |
n = 3;
|
|
|
4434 |
else
|
|
|
4435 |
return CDSC_ERROR; /* error */
|
|
|
4436 |
|
|
|
4437 |
memset(&colourname, 0, sizeof(colourname));
|
|
|
4438 |
|
|
|
4439 |
/* check for blank remainder of line */
|
|
|
4440 |
|
|
|
4441 |
do {
|
|
|
4442 |
blank_line = TRUE;
|
|
|
4443 |
for (i=n; i<dsc->line_length; i++) {
|
|
|
4444 |
if (!IS_WHITE_OR_EOL(dsc->line[i])) {
|
|
|
4445 |
blank_line = FALSE;
|
|
|
4446 |
break;
|
|
|
4447 |
}
|
|
|
4448 |
}
|
|
|
4449 |
if (blank_line)
|
|
|
4450 |
break;
|
|
|
4451 |
else {
|
|
|
4452 |
red = green = blue = 0.0;
|
|
|
4453 |
red = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4454 |
n += i;
|
|
|
4455 |
if (i)
|
|
|
4456 |
green = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4457 |
n += i;
|
|
|
4458 |
if (i)
|
|
|
4459 |
blue = dsc_get_real(dsc->line+n, dsc->line_length-n, &i);
|
|
|
4460 |
n += i;
|
|
|
4461 |
if (i)
|
|
|
4462 |
dsc_copy_string(colourname, sizeof(colourname),
|
|
|
4463 |
dsc->line+n, dsc->line_length-n, &i);
|
|
|
4464 |
n+=i;
|
|
|
4465 |
if (i && strlen(colourname)) {
|
|
|
4466 |
if ((pcolour = dsc_find_colour(dsc, colourname)) == NULL) {
|
|
|
4467 |
pcolour = (CDSCCOLOUR *)
|
|
|
4468 |
dsc_memalloc(dsc, sizeof(CDSCCOLOUR));
|
|
|
4469 |
if (pcolour == NULL)
|
|
|
4470 |
return CDSC_ERROR; /* out of memory */
|
|
|
4471 |
memset(pcolour, 0, sizeof(CDSCCOLOUR));
|
|
|
4472 |
pcolour->name = dsc_alloc_string(dsc,
|
|
|
4473 |
colourname, (int)strlen(colourname));
|
|
|
4474 |
pcolour->type = CDSC_COLOUR_UNKNOWN;
|
|
|
4475 |
if (dsc->colours == NULL)
|
|
|
4476 |
dsc->colours = pcolour;
|
|
|
4477 |
else {
|
|
|
4478 |
CDSCCOLOUR *this_colour = dsc->colours;
|
|
|
4479 |
while (this_colour->next)
|
|
|
4480 |
this_colour = this_colour->next;
|
|
|
4481 |
this_colour->next = pcolour;
|
|
|
4482 |
}
|
|
|
4483 |
}
|
|
|
4484 |
pcolour->custom = CDSC_CUSTOM_COLOUR_RGB;
|
|
|
4485 |
pcolour->red = red;
|
|
|
4486 |
pcolour->green = green;
|
|
|
4487 |
pcolour->blue = blue;
|
|
|
4488 |
}
|
|
|
4489 |
}
|
|
|
4490 |
} while (i != 0);
|
|
|
4491 |
return CDSC_OK;
|
|
|
4492 |
}
|