/[public]/psiconv/trunk/lib/psiconv/generate_image.c
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Contents of /psiconv/trunk/lib/psiconv/generate_image.c

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Revision 175 - (show annotations)
Thu Nov 27 20:55:01 2003 UTC (20 years, 4 months ago) by frodo
File MIME type: text/plain
File size: 22700 byte(s)
(Frodo) RLE16/24 support, but not yet used

1 /*
2
3 generate_image.c - Part of psiconv, a PSION 5 file formats converter
4 Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl>
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #include "config.h"
22 #include "compat.h"
23
24 #include "generate_routines.h"
25 #include "error.h"
26 #include "list.h"
27
28 #ifdef DMALLOC
29 #include <dmalloc.h>
30 #endif
31
32 typedef psiconv_list psiconv_pixel_bytes; /* psiconv_u8 */
33
34 typedef psiconv_list psiconv_pixel_ints; /* of psiconv_u32 */
35
36 typedef struct psiconv_pixel_float_s
37 {
38 psiconv_u32 length;
39 float *red;
40 float *green;
41 float *blue;
42 } psiconv_pixel_floats_t;
43
44 static int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels,
45 int xsize,int ysize,
46 const psiconv_pixel_floats_t data,
47 int colordepth,
48 const psiconv_pixel_floats_t palet);
49 static int psiconv_pixel_data_to_bytes(const psiconv_config config,
50 psiconv_pixel_bytes *bytes, int xsize,
51 int ysize, const psiconv_pixel_ints pixels,
52 int colordepth);
53 static int psiconv_encode_rle8(const psiconv_config config,
54 const psiconv_pixel_bytes plain_bytes,
55 psiconv_pixel_bytes *encoded_bytes);
56 static int psiconv_encode_rle16(const psiconv_config config,
57 const psiconv_pixel_bytes plain_bytes,
58 psiconv_pixel_bytes *encoded_bytes);
59 static int psiconv_encode_rle24(const psiconv_config config,
60 const psiconv_pixel_bytes plain_bytes,
61 psiconv_pixel_bytes *encoded_bytes);
62
63 #define PALET_GREY_2_LEN 4
64 float palet_grey_2_rgb[PALET_GREY_2_LEN] = {0.0/3, 1.0/3, 2.0/3, 3.0/3};
65 #define PALET_GREY_4_LEN 16
66 float palet_grey_4_rgb[PALET_GREY_4_LEN] =
67 { 0.0/15, 1.0/15, 2.0/15, 3.0/15,
68 4.0/15, 5.0/15, 6.0/15, 7.0/15,
69 8.0/15, 9.0/15, 10.0/15, 11.0/15,
70 12.0/15, 13.0/15, 14.0/15, 15.0/15};
71 #define PALET_NONE_LEN 0
72
73 psiconv_pixel_floats_t palet_grey_2 =
74 {
75 PALET_GREY_2_LEN,
76 (float *) palet_grey_2_rgb,
77 (float *) palet_grey_2_rgb,
78 (float *) palet_grey_2_rgb
79 };
80
81 psiconv_pixel_floats_t palet_grey_4 =
82 {
83 PALET_GREY_4_LEN,
84 (float *) palet_grey_4_rgb,
85 (float *) palet_grey_4_rgb,
86 (float *) palet_grey_4_rgb
87 };
88
89 psiconv_pixel_floats_t palet_none =
90 {
91 PALET_NONE_LEN,
92 NULL,
93 NULL,
94 NULL
95 };
96
97
98 int psiconv_write_paint_data_section(const psiconv_config config,
99 psiconv_buffer buf,
100 const psiconv_paint_data_section value,
101 int is_clipart)
102 {
103 int res,colordepth,i;
104 psiconv_pixel_ints ints;
105 psiconv_pixel_floats_t floats,palet;
106 psiconv_list bytes,bytes_rle;
107 psiconv_u8 *byteptr,encoding;
108
109 if (!value) {
110 psiconv_warn(config,0,psiconv_buffer_length(buf),"Null paint data section");
111 res = -PSICONV_E_GENERATE;
112 goto ERROR1;
113 }
114
115 floats.red = value->red;
116 floats.green = value->green;
117 floats.blue = value->blue;
118 floats.length = value->xsize * value->ysize;
119
120 switch (config->colordepth) {
121 default:
122 case 2: palet = (config->color?palet_none:palet_grey_2);
123 break;
124 case 4: palet = (config->color?palet_none:palet_grey_4);
125 break;
126 }
127
128 if ((res = psiconv_collect_pixel_data(&ints,value->xsize,
129 value->ysize,floats,
130 config->colordepth,palet)))
131 goto ERROR1;
132
133 if ((res = psiconv_pixel_data_to_bytes(config,&bytes,value->xsize,value->ysize,
134 ints,config->colordepth)))
135 goto ERROR2;
136
137
138 encoding = 0x00;
139 if ((res = psiconv_encode_rle8(config,bytes,&bytes_rle)))
140 goto ERROR3;
141 if (psiconv_list_length(bytes_rle) < psiconv_list_length(bytes)) {
142 encoding = 0x01;
143 psiconv_list_free(bytes);
144 bytes = bytes_rle;
145 } else {
146 bytes_rle = NULL;
147 }
148
149 if ((res = psiconv_write_u32(config,buf,
150 0x28+psiconv_list_length(bytes))))
151 goto ERROR3;
152 if ((res = psiconv_write_u32(config,buf,0x28)))
153 goto ERROR3;
154 if ((res = psiconv_write_u32(config,buf,value->xsize)))
155 goto ERROR3;
156 if ((res = psiconv_write_u32(config,buf,value->ysize)))
157 goto ERROR3;
158 if ((res = psiconv_write_length(config,buf,value->pic_xsize)))
159 goto ERROR3;
160 if ((res = psiconv_write_length(config,buf,value->pic_ysize)))
161 goto ERROR3;
162 colordepth = config->colordepth;
163 if ((colordepth != 2) && colordepth != 4)
164 colordepth = 2;
165 if ((res = psiconv_write_u32(config,buf,colordepth)))
166 goto ERROR3;
167 if ((res = psiconv_write_u32(config,buf,(config->color?1:0))))
168 goto ERROR3;
169 if ((res = psiconv_write_u32(config,buf,0)))
170 goto ERROR3;
171 if ((res = psiconv_write_u32(config,buf,encoding)))
172 goto ERROR3;
173 if (is_clipart) {
174 if ((res = psiconv_write_u32(config,buf,0xffffffff)))
175 goto ERROR3;
176 if ((res = psiconv_write_u32(config,buf,0x00000044)))
177 goto ERROR3;
178 }
179 for (i = 0; i < psiconv_list_length(bytes); i++) {
180 if (!(byteptr = psiconv_list_get(bytes,i)))
181 goto ERROR3;
182 if ((res = psiconv_write_u8(config,buf,*byteptr)))
183 goto ERROR3;
184 }
185
186 ERROR3:
187 psiconv_list_free(bytes);
188 ERROR2:
189 psiconv_list_free(ints);
190 ERROR1:
191 return res;
192 }
193
194 /* Translate the floating point RGB information into pixel values.
195 The palet is optional; without it, we just use the
196 colordepth. With a large palet this is not very fast, but it will do for
197 now. For greyscale pictures, just use the palet. */
198 int psiconv_collect_pixel_data(psiconv_pixel_ints *pixels,int xsize,int ysize,
199 const psiconv_pixel_floats_t data,
200 int colordepth,
201 const psiconv_pixel_floats_t palet)
202 {
203 int res,x,y,i;
204 psiconv_u32 index,pixel;
205 float p_red,p_green,p_blue,mult,dist,new_dist;
206
207 if (!(*pixels = psiconv_list_new(sizeof(psiconv_u32)))) {
208 res = -PSICONV_E_NOMEM;
209 goto ERROR1;
210 }
211
212 mult = 1 << colordepth;
213 for (y = 0; y < ysize; y++) {
214 for (x = 0; x < xsize; x++) {
215 index = y*xsize+x;
216 p_red = data.red[index];
217 p_green = data.green[index];
218 p_blue = data.blue[index];
219 if (!palet.length) {
220 pixel = (((psiconv_u32) (p_red*mult+0.5)) << (2*colordepth)) +
221 (((psiconv_u32) (p_green*mult+0.5)) << colordepth) +
222 ((psiconv_u32) (p_blue*mult+0.5));
223 } else {
224 dist = 4; /* Max distance is 3, so this is safe */
225 pixel = -1;
226 for (i = 0; i < palet.length; i++) {
227 new_dist = (p_red - palet.red[i]) * (p_red - palet.red[i]) +
228 (p_green - palet.green[i]) * (p_green - palet.green[i]) +
229 (p_blue - palet.blue[i]) * (p_blue - palet.blue[i]);
230 if (new_dist < dist) {
231 pixel = i;
232 dist = new_dist;
233 }
234 }
235 }
236 if ((res = psiconv_list_add(*pixels,&pixel)))
237 goto ERROR2;
238 }
239 }
240 return 0;
241
242 ERROR2:
243 psiconv_list_free(*pixels);
244 ERROR1:
245 return res;
246 }
247
248 int psiconv_pixel_data_to_bytes(const psiconv_config config,
249 psiconv_pixel_bytes *bytes, int xsize,
250 int ysize, const psiconv_pixel_ints pixels,
251 int colordepth)
252 {
253 int res;
254 int x,y;
255
256 psiconv_u32 inputdata;
257 psiconv_u8 outputbyte;
258 psiconv_u32 *pixelptr;
259 int inputbitsleft,outputbitnr,bitsfit,outputbytenr;
260
261
262 if (!bytes) {
263 psiconv_warn(config,0,0,"NULL pixel data");
264 res = -PSICONV_E_GENERATE;
265 goto ERROR1;
266 }
267 if (!pixels) {
268 psiconv_warn(config,0,0,"NULL pixel data");
269 res = -PSICONV_E_GENERATE;
270 goto ERROR1;
271 }
272 if (psiconv_list_length(pixels) != xsize * ysize) {
273 psiconv_warn(config,0,0,"Pixel number is not correct");
274 res = -PSICONV_E_GENERATE;
275 goto ERROR1;
276 }
277
278 if (!(*bytes = psiconv_list_new(sizeof(psiconv_u8)))) {
279 res = -PSICONV_E_NOMEM;
280 goto ERROR1;
281 }
282
283
284 outputbitnr = 0;
285 outputbyte = 0;
286 for (y = 0; y < ysize; y++) {
287 outputbytenr = 0;
288 for (x = 0; x < xsize; x++) {
289 if (!(pixelptr = psiconv_list_get(pixels,y*xsize+x))) {
290 psiconv_warn(config,0,0,"Massive internal corruption");
291 res = -PSICONV_E_NOMEM;
292 goto ERROR2;
293 }
294 inputbitsleft = colordepth;
295 inputdata = *pixelptr;
296 while (inputbitsleft) {
297 bitsfit = (inputbitsleft+outputbitnr<=8?inputbitsleft:8-outputbitnr);
298 outputbyte |= (inputdata & ((1 << bitsfit) - 1)) << outputbitnr;
299 inputdata = inputdata >> bitsfit;
300 inputbitsleft -= bitsfit;
301 outputbitnr += bitsfit;
302 if (outputbitnr == 8) {
303 if ((res = psiconv_list_add(*bytes,&outputbyte)))
304 goto ERROR2;
305 outputbitnr = 0;
306 outputbyte = 0;
307 outputbytenr ++;
308 }
309 }
310 }
311 /* Always end lines on a long border */
312 if (outputbitnr != 0) {
313 if ((res = psiconv_list_add(*bytes,&outputbyte)))
314 goto ERROR2;
315 outputbitnr = 0;
316 outputbyte = 0;
317 outputbytenr ++;
318 }
319
320 while (outputbytenr % 0x04) {
321 if ((res = psiconv_list_add(*bytes,&outputbyte)))
322 goto ERROR2;
323 outputbytenr ++;
324 }
325 }
326
327 return 0;
328
329 ERROR2:
330 psiconv_list_free(*bytes);
331 ERROR1:
332 return res;
333 }
334
335 int psiconv_encode_rle8(const psiconv_config config,
336 const psiconv_pixel_bytes plain_bytes,
337 psiconv_pixel_bytes *encoded_bytes)
338 {
339 int res,i,j,len;
340 psiconv_u8 *entry,*next;
341 psiconv_u8 temp;
342
343 if (!(*encoded_bytes = psiconv_list_new(sizeof(*entry)))) {
344 res = -PSICONV_E_NOMEM;
345 goto ERROR1;
346 }
347
348 for (i = 0; i < psiconv_list_length(plain_bytes);) {
349 if (!(entry = psiconv_list_get(plain_bytes,i))) {
350 res = -PSICONV_E_NOMEM;
351 goto ERROR2;
352 }
353 if (!(next = psiconv_list_get(plain_bytes,i+1))) {
354 res = -PSICONV_E_NOMEM;
355 goto ERROR2;
356 }
357 if (i == psiconv_list_length(plain_bytes) - 2) {
358 temp = 0xfe;
359 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
360 goto ERROR2;
361 if ((res = psiconv_list_add(*encoded_bytes,entry)))
362 goto ERROR2;
363 if ((res = psiconv_list_add(*encoded_bytes,next)))
364 goto ERROR2;
365 i +=2;
366 } else if (*next == *entry) {
367 len = 0;
368 while ((*next == *entry) &&
369 (i+len + 1 < psiconv_list_length(plain_bytes)) &&
370 len < 0x80) {
371 len ++;
372 if (!(next = psiconv_list_get(plain_bytes,i+len))) {
373 res = -PSICONV_E_NOMEM;
374 goto ERROR2;
375 }
376 }
377 temp = len - 1;
378 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
379 goto ERROR2;
380 if ((res = psiconv_list_add(*encoded_bytes,entry)))
381 goto ERROR2;
382 i += len;
383 } else {
384 len = 1;
385 while ((*next != *entry) &&
386 (i+len+1 < psiconv_list_length(plain_bytes)) &&
387 len < 0x80) {
388 len ++;
389 entry = next;
390 if (!(next = psiconv_list_get(plain_bytes,i+len))) {
391 res = -PSICONV_E_NOMEM;
392 goto ERROR2;
393 }
394 }
395 len --;
396 temp = 0x100 - len;
397 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
398 goto ERROR2;
399 for (j = 0; j < len; j++) {
400 if (!(next = psiconv_list_get(plain_bytes,i+j))) {
401 res = -PSICONV_E_NOMEM;
402 goto ERROR2;
403 }
404 if ((res = psiconv_list_add(*encoded_bytes,next)))
405 goto ERROR2;
406 }
407 i += len;
408 }
409 }
410 return 0;
411
412 ERROR2:
413 psiconv_list_free(*encoded_bytes);
414 ERROR1:
415 return res;
416 }
417
418 int psiconv_encode_rle16(const psiconv_config config,
419 const psiconv_pixel_bytes plain_bytes,
420 psiconv_pixel_bytes *encoded_bytes)
421 {
422 int res,i,j,len;
423 psiconv_u8 *entry1,*entry2,*next1,*next2;
424 psiconv_u8 temp;
425
426 if (!(*encoded_bytes = psiconv_list_new(sizeof(*entry1)))) {
427 res = -PSICONV_E_NOMEM;
428 goto ERROR1;
429 }
430
431 for (i = 0; i < psiconv_list_length(plain_bytes);) {
432 if (!(entry1 = psiconv_list_get(plain_bytes,i))) {
433 res = -PSICONV_E_NOMEM;
434 goto ERROR2;
435 }
436 if (!(entry2 = psiconv_list_get(plain_bytes,i+1))) {
437 res = -PSICONV_E_NOMEM;
438 goto ERROR2;
439 }
440 if (!(next1 = psiconv_list_get(plain_bytes,i+2))) {
441 res = -PSICONV_E_NOMEM;
442 goto ERROR2;
443 }
444 if (!(next2 = psiconv_list_get(plain_bytes,i+3))) {
445 res = -PSICONV_E_NOMEM;
446 goto ERROR2;
447 }
448 if (i == psiconv_list_length(plain_bytes) - 4) {
449 temp = 0xfe;
450 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
451 goto ERROR2;
452 if ((res = psiconv_list_add(*encoded_bytes,entry1)))
453 goto ERROR2;
454 if ((res = psiconv_list_add(*encoded_bytes,entry2)))
455 goto ERROR2;
456 if ((res = psiconv_list_add(*encoded_bytes,next1)))
457 goto ERROR2;
458 if ((res = psiconv_list_add(*encoded_bytes,next2)))
459 goto ERROR2;
460 i +=4;
461 } else if ((*next1 == *entry1) && (*next2 == *entry2)) {
462 len = 0;
463 while (((*next1 == *entry1) && (*next2 == *entry2)) &&
464 (i+2*len + 4 < psiconv_list_length(plain_bytes)) &&
465 len < 0x80) {
466 len ++;
467 if (!(next1 = psiconv_list_get(plain_bytes,i+len*2))) {
468 res = -PSICONV_E_NOMEM;
469 goto ERROR2;
470 }
471 if (!(next2 = psiconv_list_get(plain_bytes,i+len*2+1))) {
472 res = -PSICONV_E_NOMEM;
473 goto ERROR2;
474 }
475 }
476 temp = len - 1;
477 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
478 goto ERROR2;
479 if ((res = psiconv_list_add(*encoded_bytes,entry1)))
480 goto ERROR2;
481 if ((res = psiconv_list_add(*encoded_bytes,entry2)))
482 goto ERROR2;
483 i += len*2;
484 } else {
485 len = 1;
486 while (((*next1 != *entry1) || (*next2 != *entry2))&&
487 (i+len*2+4 < psiconv_list_length(plain_bytes)) &&
488 len < 0x80) {
489 len ++;
490 entry1 = next1;
491 entry2 = next2;
492 if (!(next1 = psiconv_list_get(plain_bytes,i+len*2))) {
493 res = -PSICONV_E_NOMEM;
494 goto ERROR2;
495 }
496 if (!(next2 = psiconv_list_get(plain_bytes,i+len*2+1))) {
497 res = -PSICONV_E_NOMEM;
498 goto ERROR2;
499 }
500 }
501 len --;
502 temp = 0x100 - len;
503 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
504 goto ERROR2;
505 for (j = 0; j < len; j++) {
506 if (!(next1 = psiconv_list_get(plain_bytes,i+j*2))) {
507 res = -PSICONV_E_NOMEM;
508 goto ERROR2;
509 }
510 if (!(next2 = psiconv_list_get(plain_bytes,i+j*2+1))) {
511 res = -PSICONV_E_NOMEM;
512 goto ERROR2;
513 }
514 if ((res = psiconv_list_add(*encoded_bytes,next1)))
515 goto ERROR2;
516 if ((res = psiconv_list_add(*encoded_bytes,next2)))
517 goto ERROR2;
518 }
519 i += len*2;
520 }
521 }
522 return 0;
523
524 ERROR2:
525 psiconv_list_free(*encoded_bytes);
526 ERROR1:
527 return res;
528 }
529
530 int psiconv_encode_rle24(const psiconv_config config,
531 const psiconv_pixel_bytes plain_bytes,
532 psiconv_pixel_bytes *encoded_bytes)
533 {
534 int res,i,j,len;
535 psiconv_u8 *entry1,*entry2,*entry3,*next1,*next2,*next3;
536 psiconv_u8 temp;
537
538 if (!(*encoded_bytes = psiconv_list_new(sizeof(*entry1)))) {
539 res = -PSICONV_E_NOMEM;
540 goto ERROR1;
541 }
542
543 for (i = 0; i < psiconv_list_length(plain_bytes);) {
544 if (!(entry1 = psiconv_list_get(plain_bytes,i))) {
545 res = -PSICONV_E_NOMEM;
546 goto ERROR2;
547 }
548 if (!(entry2 = psiconv_list_get(plain_bytes,i+1))) {
549 res = -PSICONV_E_NOMEM;
550 goto ERROR2;
551 }
552 if (!(entry3 = psiconv_list_get(plain_bytes,i+2))) {
553 res = -PSICONV_E_NOMEM;
554 goto ERROR2;
555 }
556 if (!(next1 = psiconv_list_get(plain_bytes,i+3))) {
557 res = -PSICONV_E_NOMEM;
558 goto ERROR2;
559 }
560 if (!(next2 = psiconv_list_get(plain_bytes,i+4))) {
561 res = -PSICONV_E_NOMEM;
562 goto ERROR2;
563 }
564 if (!(next3 = psiconv_list_get(plain_bytes,i+5))) {
565 res = -PSICONV_E_NOMEM;
566 goto ERROR2;
567 }
568 if (i == psiconv_list_length(plain_bytes) - 6) {
569 temp = 0xfe;
570 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
571 goto ERROR2;
572 if ((res = psiconv_list_add(*encoded_bytes,entry1)))
573 goto ERROR2;
574 if ((res = psiconv_list_add(*encoded_bytes,entry2)))
575 goto ERROR2;
576 if ((res = psiconv_list_add(*encoded_bytes,entry3)))
577 goto ERROR2;
578 if ((res = psiconv_list_add(*encoded_bytes,next1)))
579 goto ERROR2;
580 if ((res = psiconv_list_add(*encoded_bytes,next2)))
581 goto ERROR2;
582 if ((res = psiconv_list_add(*encoded_bytes,next3)))
583 goto ERROR2;
584 i +=4;
585 } else if ((*next1 == *entry1) && (*next2 == *entry2) &&
586 (*next3 == *entry3)) {
587 len = 0;
588 while (((*next1 == *entry1) && (*next2 == *entry2) &&
589 (*next3 == *entry3)) &&
590 (i+3*len + 6 < psiconv_list_length(plain_bytes)) &&
591 len < 0x80) {
592 len ++;
593 if (!(next1 = psiconv_list_get(plain_bytes,i+len*3))) {
594 res = -PSICONV_E_NOMEM;
595 goto ERROR2;
596 }
597 if (!(next2 = psiconv_list_get(plain_bytes,i+len*3+1))) {
598 res = -PSICONV_E_NOMEM;
599 goto ERROR2;
600 }
601 if (!(next3 = psiconv_list_get(plain_bytes,i+len*3+2))) {
602 res = -PSICONV_E_NOMEM;
603 goto ERROR2;
604 }
605 }
606 temp = len - 1;
607 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
608 goto ERROR2;
609 if ((res = psiconv_list_add(*encoded_bytes,entry1)))
610 goto ERROR2;
611 if ((res = psiconv_list_add(*encoded_bytes,entry2)))
612 goto ERROR2;
613 if ((res = psiconv_list_add(*encoded_bytes,entry3)))
614 goto ERROR2;
615 i += len*3;
616 } else {
617 len = 1;
618 while (((*next1 != *entry1) || (*next2 != *entry2) ||
619 (*next3 != *entry3)) &&
620 (i+len*3+6 < psiconv_list_length(plain_bytes)) &&
621 len < 0x80) {
622 len ++;
623 entry1 = next1;
624 entry2 = next2;
625 entry3 = next3;
626 if (!(next1 = psiconv_list_get(plain_bytes,i+len*3))) {
627 res = -PSICONV_E_NOMEM;
628 goto ERROR2;
629 }
630 if (!(next2 = psiconv_list_get(plain_bytes,i+len*3+1))) {
631 res = -PSICONV_E_NOMEM;
632 goto ERROR2;
633 }
634 if (!(next3 = psiconv_list_get(plain_bytes,i+len*3+2))) {
635 res = -PSICONV_E_NOMEM;
636 goto ERROR2;
637 }
638 }
639 len --;
640 temp = 0x100 - len;
641 if ((res = psiconv_list_add(*encoded_bytes,&temp)))
642 goto ERROR2;
643 for (j = 0; j < len; j++) {
644 if (!(next1 = psiconv_list_get(plain_bytes,i+j*3))) {
645 res = -PSICONV_E_NOMEM;
646 goto ERROR2;
647 }
648 if (!(next2 = psiconv_list_get(plain_bytes,i+j*3+1))) {
649 res = -PSICONV_E_NOMEM;
650 goto ERROR2;
651 }
652 if (!(next2 = psiconv_list_get(plain_bytes,i+j*3+2))) {
653 res = -PSICONV_E_NOMEM;
654 goto ERROR2;
655 }
656 if ((res = psiconv_list_add(*encoded_bytes,next1)))
657 goto ERROR2;
658 if ((res = psiconv_list_add(*encoded_bytes,next2)))
659 goto ERROR2;
660 if ((res = psiconv_list_add(*encoded_bytes,next3)))
661 goto ERROR2;
662 }
663 i += len*3;
664 }
665 }
666 return 0;
667
668 ERROR2:
669 psiconv_list_free(*encoded_bytes);
670 ERROR1:
671 return res;
672 }
673
674
675 int psiconv_write_sketch_section(const psiconv_config config,
676 psiconv_buffer buf,
677 const psiconv_sketch_section value)
678 {
679 int res;
680
681 if (!value) {
682 psiconv_warn(config,0,0,"NULL sketch section");
683 res = -PSICONV_E_GENERATE;
684 goto ERROR1;
685 }
686
687 if ((res = psiconv_write_u16(config,buf,value->displayed_xsize)))
688 goto ERROR1;
689 if ((res = psiconv_write_u16(config,buf,value->displayed_ysize)))
690 goto ERROR1;
691 if ((res = psiconv_write_u16(config,buf,value->picture_data_x_offset)))
692 goto ERROR1;
693 if ((res = psiconv_write_u16(config,buf,value->picture_data_y_offset)))
694 goto ERROR1;
695 if ((res = psiconv_write_u16(config,buf,value->displayed_size_x_offset)))
696 goto ERROR1;
697 if ((res = psiconv_write_u16(config,buf,value->displayed_size_y_offset)))
698 goto ERROR1;
699 if ((res = psiconv_write_u16(config,buf,value->form_xsize)))
700 goto ERROR1;
701 if ((res = psiconv_write_u16(config,buf,value->form_ysize)))
702 goto ERROR1;
703 if ((res = psiconv_write_u16(config,buf,0x0000)))
704 goto ERROR1;
705 if ((res = psiconv_write_paint_data_section(config,buf,value->picture,0)))
706 goto ERROR1;
707 if ((res = psiconv_write_u16(config,buf,value->magnification_x * 0x03e8)))
708 goto ERROR1;
709 if ((res = psiconv_write_u16(config,buf,value->magnification_y * 0x03e8)))
710 goto ERROR1;
711 if ((res = psiconv_write_u32(config,buf,value->cut_left * 0x0c *
712 value->displayed_xsize)))
713 goto ERROR1;
714 if ((res = psiconv_write_u32(config,buf,value->cut_right * 0x0c *
715 value->displayed_xsize)))
716 goto ERROR1;
717 if ((res = psiconv_write_u32(config,buf,value->cut_top * 0x0c *
718 value->displayed_ysize)))
719 goto ERROR1;
720 if ((res = psiconv_write_u32(config,buf,value->cut_bottom * 0x0c *
721 value->displayed_ysize)))
722 goto ERROR1;
723
724 ERROR1:
725 return res;
726 }
727
728 int psiconv_write_clipart_section(const psiconv_config config,
729 psiconv_buffer buf,
730 const psiconv_clipart_section value)
731 {
732 int res;
733
734
735 if (!value) {
736 psiconv_warn(config,0,psiconv_buffer_length(buf),
737 "NULL Clipart Section");
738 res = -PSICONV_E_GENERATE;
739 goto ERROR;
740 }
741 if ((res = psiconv_write_u32(config,buf,PSICONV_ID_CLIPART_ITEM)))
742 goto ERROR;
743 if ((res = psiconv_write_u32(config,buf,0x00000002)))
744 goto ERROR;
745 if ((res = psiconv_write_u32(config,buf,0x00000000)))
746 goto ERROR;
747 if ((res = psiconv_write_u32(config,buf,0x00000000)))
748 goto ERROR;
749 if ((res = psiconv_write_u32(config,buf,0x0000000C)))
750 goto ERROR;
751 if ((res = psiconv_write_paint_data_section(config,buf,value->picture,1)))
752 goto ERROR;
753
754 ERROR:
755 return res;
756 }
757
758 int psiconv_write_jumptable_section(const psiconv_config config,
759 psiconv_buffer buf,
760 const psiconv_jumptable_section value)
761 {
762 int res,i;
763 psiconv_u32 *offset_ptr;
764
765
766 if (!value) {
767 psiconv_warn(config,0,psiconv_buffer_length(buf),
768 "NULL Jumptable Section");
769 res = -PSICONV_E_GENERATE;
770 goto ERROR;
771 }
772 if ((res = psiconv_write_u32(config,buf,psiconv_list_length(value))))
773 goto ERROR;
774 for (i = 0; i < psiconv_list_length(value); i++) {
775 if (!(offset_ptr = psiconv_list_get(value,i))) {
776 psiconv_warn(config,0,psiconv_buffer_length(buf),
777 "Massive memory corruption");
778 res = -PSICONV_E_NOMEM;
779 goto ERROR;
780 }
781 if ((res = psiconv_write_offset(config,buf,*offset_ptr)))
782 goto ERROR;
783 }
784
785 ERROR:
786 return res;
787 }
788

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