1 |
/* |
2 |
parse_image.c - Part of psiconv, a PSION 5 file formats converter |
3 |
Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl> |
4 |
|
5 |
This program is free software; you can redistribute it and/or modify |
6 |
it under the terms of the GNU General Public License as published by |
7 |
the Free Software Foundation; either version 2 of the License, or |
8 |
(at your option) any later version. |
9 |
|
10 |
This program is distributed in the hope that it will be useful, |
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
GNU General Public License for more details. |
14 |
|
15 |
You should have received a copy of the GNU General Public License |
16 |
along with this program; if not, write to the Free Software |
17 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 |
*/ |
19 |
|
20 |
#include "config.h" |
21 |
#include "compat.h" |
22 |
|
23 |
#include <stdlib.h> |
24 |
|
25 |
#include "parse_routines.h" |
26 |
#include "error.h" |
27 |
|
28 |
int psiconv_parse_jumptable_section(const psiconv_buffer buf,int lev, |
29 |
psiconv_u32 off, int *length, |
30 |
psiconv_jumptable_section *result) |
31 |
{ |
32 |
int res = 0; |
33 |
int len = 0; |
34 |
psiconv_u32 listlen,temp; |
35 |
int i; |
36 |
|
37 |
psiconv_progress(lev+1,off+len,"Going to read the jumptable section"); |
38 |
if (!((*result) = psiconv_list_new(sizeof(psiconv_u32)))) |
39 |
goto ERROR1; |
40 |
|
41 |
psiconv_progress(lev+2,off+len,"Going to read the list length"); |
42 |
listlen = psiconv_read_u32(buf,lev+2,off+len,&res); |
43 |
if (res) |
44 |
goto ERROR2; |
45 |
psiconv_debug(lev+2,off+len,"List length: %08x",listlen); |
46 |
len += 4; |
47 |
|
48 |
psiconv_progress(lev+2,off+len,"Going to read the list"); |
49 |
for (i = 0; i < listlen; i++) { |
50 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
51 |
if (res) |
52 |
goto ERROR2; |
53 |
if ((res = psiconv_list_add(*result,&temp))) |
54 |
goto ERROR2; |
55 |
psiconv_debug(lev+3,off+len,"Offset: %08x",temp); |
56 |
len += 4; |
57 |
} |
58 |
|
59 |
if (length) |
60 |
*length = len; |
61 |
|
62 |
psiconv_progress(lev+1,off+len-1,"End of jumptable section " |
63 |
"(total length: %08x)", len); |
64 |
|
65 |
return 0; |
66 |
|
67 |
ERROR2: |
68 |
psiconv_list_free(*result); |
69 |
ERROR1: |
70 |
psiconv_warn(lev+1,off,"Reading of Jumptable Section failed"); |
71 |
if (length) |
72 |
*length = 0; |
73 |
if (!res) |
74 |
return -PSICONV_E_NOMEM; |
75 |
else |
76 |
return res; |
77 |
} |
78 |
|
79 |
static int decode_byte(int lev, psiconv_u32 off, |
80 |
psiconv_paint_data_section data, psiconv_u32 *pixelnr, |
81 |
psiconv_u8 byte, int bits_per_pixel, int linelen, |
82 |
int *linepos,int picsize) |
83 |
{ |
84 |
int mask = (bits_per_pixel << 1) -1; |
85 |
int i; |
86 |
if (*linepos < (data->xsize + (8/bits_per_pixel) - 1) / (8/bits_per_pixel)) |
87 |
for (i = 0; i < 8/bits_per_pixel; i ++) { |
88 |
if ((i != 0) && ((*pixelnr % (data->xsize)) == 0)) { |
89 |
psiconv_debug(lev+1,off,"Skipping padding: %02x",byte); |
90 |
i = 8; |
91 |
} else if (*pixelnr >= picsize) { |
92 |
psiconv_warn(lev+1,off,"Corrupted picture data!"); |
93 |
psiconv_debug(lev+1,off,"Trying to write a pixel too far"); |
94 |
return -1; |
95 |
} else { |
96 |
data->red[*pixelnr] = data->green[*pixelnr] = data->blue[*pixelnr] = |
97 |
((float) (byte & mask)) / ((1 << bits_per_pixel) -1); |
98 |
psiconv_debug(lev+1,off,"Pixel %04x: (%04x,%04x) value %02x, color %f", |
99 |
*pixelnr,*pixelnr % data->xsize, |
100 |
*pixelnr / data->xsize, byte&mask, data->red[*pixelnr]); |
101 |
byte = byte >> bits_per_pixel; |
102 |
(*pixelnr) ++; |
103 |
} |
104 |
} |
105 |
else |
106 |
psiconv_debug(lev+1,off,"Skipping padding byte"); |
107 |
(*linepos) ++; |
108 |
if (*linepos == linelen) |
109 |
*linepos = 0; |
110 |
return 0; |
111 |
} |
112 |
|
113 |
|
114 |
int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, |
115 |
psiconv_u32 off, int *length,int isclipart, |
116 |
psiconv_paint_data_section *result) |
117 |
{ |
118 |
int res = 0; |
119 |
int len = 0; |
120 |
psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
121 |
psiconv_u8 marker; |
122 |
int i,leng; |
123 |
psiconv_u32 bits_per_pixel,compression; |
124 |
int linepos = 0; |
125 |
|
126 |
psiconv_progress(lev+1,off,"Going to read a paint data section"); |
127 |
if (!((*result) = malloc(sizeof(**result)))) |
128 |
goto ERROR1; |
129 |
|
130 |
psiconv_progress(lev+2,off+len,"Going to read section size"); |
131 |
size = psiconv_read_u32(buf,lev+2,off+len,&res); |
132 |
if (res) |
133 |
goto ERROR2; |
134 |
psiconv_debug(lev+2,off+len,"Section size: %08x",size); |
135 |
len += 4; |
136 |
|
137 |
psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); |
138 |
offset = psiconv_read_u32(buf,lev+2,off+len,&res); |
139 |
if (res) |
140 |
goto ERROR2; |
141 |
if (offset != 0x28) { |
142 |
psiconv_warn(lev+2,off+len, |
143 |
"Paint data section data offset has unexpected value"); |
144 |
psiconv_debug(lev+2,off+len, |
145 |
"Data offset: read %08x, expected %08x",offset,0x28); |
146 |
res = -1; |
147 |
} |
148 |
len += 4; |
149 |
|
150 |
psiconv_progress(lev+2,off+len,"Going to read picture X size"); |
151 |
(*result)->xsize = psiconv_read_u32(buf,lev+2,off+len,&res); |
152 |
if (res) |
153 |
goto ERROR2; |
154 |
psiconv_debug(lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
155 |
len += 4; |
156 |
|
157 |
psiconv_progress(lev+2,off+len,"Going to read picture Y size"); |
158 |
(*result)->ysize = psiconv_read_u32(buf,lev+2,off+len,&res); |
159 |
if (res) |
160 |
goto ERROR2; |
161 |
psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
162 |
len += 4; |
163 |
|
164 |
picsize = (*result)->ysize * (*result)->xsize; |
165 |
|
166 |
psiconv_progress(lev+2,off+len,"Going to read the real picture x size"); |
167 |
(*result)->pic_xsize = psiconv_read_length(buf,lev+2,off+len,&leng,&res); |
168 |
if (res) |
169 |
goto ERROR2; |
170 |
psiconv_debug(lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize); |
171 |
len += leng; |
172 |
|
173 |
psiconv_progress(lev+2,off+len,"Going to read the real picture y size"); |
174 |
(*result)->pic_ysize = psiconv_read_length(buf,lev+2,off+len,&leng,&res); |
175 |
if (res) |
176 |
goto ERROR2; |
177 |
psiconv_debug(lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize); |
178 |
len += leng; |
179 |
|
180 |
psiconv_progress(lev+2,off+len,"Going to read the number of bits per pixel"); |
181 |
bits_per_pixel=psiconv_read_u32(buf,lev+2,off+len,&res); |
182 |
if (res) |
183 |
goto ERROR2; |
184 |
if (bits_per_pixel > 8) { |
185 |
psiconv_warn(lev+2,off+len,"Picture has too many colors"); |
186 |
psiconv_debug(lev+2,off+len,"Read %d colorbits",bits_per_pixel); |
187 |
res = -PSICONV_E_PARSE; |
188 |
goto ERROR2; |
189 |
} |
190 |
psiconv_debug(lev+2,off+len,"Bits per pixel: %d",bits_per_pixel); |
191 |
len += 4; |
192 |
|
193 |
for (i = 0 ; i < 2; i++) { |
194 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
195 |
if (res) |
196 |
goto ERROR2; |
197 |
if (temp != 00) { |
198 |
psiconv_warn(lev+2,off+len, |
199 |
"Paint data section prologue has unknown values (ignored)"); |
200 |
psiconv_debug(lev+2,off+len, |
201 |
"offset %02x: read %08x, expected %08x",i,temp, 0x00); |
202 |
} |
203 |
len += 4; |
204 |
} |
205 |
|
206 |
psiconv_progress(lev+2,off+len, |
207 |
"Going to read whether RLE compression is used"); |
208 |
compression=psiconv_read_u32(buf,lev+2,off+len,&res); |
209 |
if (res) |
210 |
goto ERROR2; |
211 |
if (compression > 1) { |
212 |
psiconv_warn(lev+2,off+len,"Paint data section has unknown " |
213 |
"compression type, assuming RLE"); |
214 |
psiconv_debug(lev+2,off+len,"Read compression type %d",compression); |
215 |
compression = 1; |
216 |
} |
217 |
psiconv_debug(lev+2,off+len,"Compression: %s",compression?"RLE":"none"); |
218 |
len += 4; |
219 |
|
220 |
if (isclipart) { |
221 |
psiconv_progress(lev+2,off+len,"Going to read an unknown long"); |
222 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
223 |
if (res) |
224 |
goto ERROR2; |
225 |
if (temp != 0xffffffff) { |
226 |
psiconv_warn(lev+2,off+len, |
227 |
"Paint data section prologue has unknown values (ignoring)"); |
228 |
psiconv_debug(lev+2,off+len, |
229 |
"offset %02x: read %08x, expected %08x",i,temp, 0xffffffff); |
230 |
} |
231 |
len += 4; |
232 |
psiconv_progress(lev+2,off+len,"Going to read a second unknown long"); |
233 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
234 |
if (res) |
235 |
goto ERROR2; |
236 |
if (temp != 0x44) { |
237 |
psiconv_warn(lev+2,off+len, |
238 |
"Paint data section prologue has unknown values (ignoring)"); |
239 |
psiconv_debug(lev+2,off+len, |
240 |
"offset %02x: read %08x, expected %08x",i,temp, 0x44); |
241 |
} |
242 |
len += 4; |
243 |
} |
244 |
|
245 |
if (!((*result)->red = malloc(sizeof(float) * picsize))) |
246 |
goto ERROR2; |
247 |
if (!((*result)->green = malloc(sizeof(float) * picsize))) |
248 |
goto ERROR3; |
249 |
if (!((*result)->blue = malloc(sizeof(float) * picsize))) |
250 |
goto ERROR4; |
251 |
len = offset; |
252 |
datasize = size - len; |
253 |
if (isclipart) |
254 |
len += 8; |
255 |
|
256 |
psiconv_progress(lev+2,off+len,"Going to read the pixel data"); |
257 |
pixelnr = 0; |
258 |
datanr = 0; |
259 |
if (!compression) { |
260 |
linelen = datasize / (*result)->ysize; |
261 |
psiconv_debug(lev+3,off+len,"Line length: %04x bytes",linelen); |
262 |
while((datanr < datasize)) { |
263 |
temp = psiconv_read_u8(buf,lev+2,off+len+datanr,&res); |
264 |
if (res) |
265 |
goto ERROR5; |
266 |
if (decode_byte(lev+3,off+len+datanr,*result,&pixelnr,temp,bits_per_pixel, |
267 |
linelen,&linepos,picsize)) { |
268 |
res = -PSICONV_E_PARSE; |
269 |
break; |
270 |
} |
271 |
datanr++; |
272 |
} |
273 |
} else { |
274 |
psiconv_progress(lev+2,off+len,"First pass: determining line length"); |
275 |
datanr = 0; |
276 |
i = 0; |
277 |
while (datanr < datasize) { |
278 |
marker = psiconv_read_u8(buf,lev+3,off+len+datanr,&res); |
279 |
if (res) |
280 |
goto ERROR5; |
281 |
if (marker >= 0x80) { |
282 |
datanr += 0x100 - marker + 1; |
283 |
i += 0x100 - marker; |
284 |
} else { |
285 |
datanr += 2; |
286 |
i += marker + 1; |
287 |
} |
288 |
} |
289 |
linelen = i / (*result)->ysize; |
290 |
datanr=0; |
291 |
psiconv_debug(lev+2,off+len,"Linelen: %04x bytes",linelen); |
292 |
while((datanr < datasize)) { |
293 |
marker = psiconv_read_u8(buf,lev+3,off+len+datanr,&res); |
294 |
if (res) |
295 |
goto ERROR5; |
296 |
psiconv_debug(lev+3,off+len+datanr, |
297 |
"Pixelnr %08x, Datanr %08x: Read marker %02x", |
298 |
pixelnr,datanr,marker); |
299 |
datanr ++; |
300 |
if (marker >= 0x80) { |
301 |
/* 0x100 - marker bytes of data follow */ |
302 |
for (i = 0; i < 0x100-marker; i++,datanr++) { |
303 |
if (datanr >= datasize) { |
304 |
psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
305 |
psiconv_debug(lev+3,off+len+datanr, |
306 |
"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
307 |
"Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
308 |
datanr,marker); |
309 |
res = -PSICONV_E_PARSE; |
310 |
break; |
311 |
} |
312 |
temp = psiconv_read_u8(buf,lev+2,off+len+datanr,&res); |
313 |
if (res) |
314 |
goto ERROR5; |
315 |
if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp, |
316 |
bits_per_pixel,linelen,&linepos,picsize)) { |
317 |
res = -PSICONV_E_PARSE; |
318 |
break; |
319 |
} |
320 |
} |
321 |
} else { |
322 |
if (datanr >= datasize) { |
323 |
psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
324 |
psiconv_debug(lev+3,off+len+datanr, |
325 |
"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
326 |
"Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
327 |
datanr,marker); |
328 |
res = -PSICONV_E_PARSE; |
329 |
} else { |
330 |
temp = psiconv_read_u8(buf,lev+3,off+len+datanr,&res); |
331 |
if (res) |
332 |
goto ERROR5; |
333 |
for (i = 0; i <= marker; i++) { |
334 |
if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp, |
335 |
bits_per_pixel,linelen,&linepos,picsize)) { |
336 |
res = -PSICONV_E_PARSE; |
337 |
break; |
338 |
} |
339 |
} |
340 |
datanr ++; |
341 |
} |
342 |
} |
343 |
} |
344 |
} |
345 |
|
346 |
if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) / |
347 |
(8/bits_per_pixel)) |
348 |
datanr += (linelen - linepos); |
349 |
|
350 |
if (res || (datanr != datasize) || (pixelnr != picsize)) { |
351 |
psiconv_warn(lev+2,off+len,"Corrupted picture data!"); |
352 |
psiconv_debug(lev+3,off+len+datanr, |
353 |
"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
354 |
"Datanr: %08x",picsize,datasize,pixelnr,datanr); |
355 |
goto ERROR5; |
356 |
} |
357 |
|
358 |
len += datanr; |
359 |
|
360 |
if (length) |
361 |
*length = len; |
362 |
|
363 |
psiconv_progress(lev+1,off+len-1,"End of paint data section " |
364 |
"(total length: %08x)", len); |
365 |
|
366 |
return res; |
367 |
|
368 |
ERROR5: |
369 |
free((*result)->blue); |
370 |
ERROR4: |
371 |
free((*result)->green); |
372 |
ERROR3: |
373 |
free((*result)->red); |
374 |
ERROR2: |
375 |
free (*result); |
376 |
ERROR1: |
377 |
psiconv_warn(lev+1,off,"Reading of Paint Data Section failed"); |
378 |
if (length) |
379 |
*length = 0; |
380 |
if (!res) |
381 |
return -PSICONV_E_NOMEM; |
382 |
else |
383 |
return res; |
384 |
} |
385 |
|
386 |
int psiconv_parse_sketch_section(const psiconv_buffer buf, int lev, |
387 |
psiconv_u32 off, int *length, int is_object, |
388 |
psiconv_sketch_section *result) |
389 |
{ |
390 |
int res=0; |
391 |
int len=0; |
392 |
psiconv_u32 temp; |
393 |
int leng; |
394 |
int i; |
395 |
|
396 |
psiconv_progress(lev+1,off,"Going to read the sketch section"); |
397 |
if (!(*result = malloc(sizeof(**result)))) |
398 |
goto ERROR1; |
399 |
|
400 |
if (!is_object) { |
401 |
psiconv_progress(lev+2,off+len,"Going to read the form hor. size"); |
402 |
(*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len,&res); |
403 |
if (res) |
404 |
goto ERROR2; |
405 |
psiconv_debug(lev+2,off+len,"Form hor. size: %04x", |
406 |
(*result)->form_xsize); |
407 |
len += 0x02; |
408 |
psiconv_progress(lev+2,off+len,"Going to read the form ver. size"); |
409 |
(*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len,&res); |
410 |
if (res) |
411 |
goto ERROR2; |
412 |
psiconv_debug(lev+2,off+len,"Form ver. size: %04x", |
413 |
(*result)->form_ysize); |
414 |
len += 0x02; |
415 |
psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset"); |
416 |
(*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len,&res); |
417 |
if (res) |
418 |
goto ERROR2; |
419 |
psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x", |
420 |
(*result)->picture_x_offset); |
421 |
len += 0x02; |
422 |
psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset"); |
423 |
(*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len,&res); |
424 |
if (res) |
425 |
goto ERROR2; |
426 |
psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x", |
427 |
(*result)->picture_y_offset); |
428 |
len += 0x02; |
429 |
psiconv_progress(lev+2,off+len,"Going to skip 5 words of zeros"); |
430 |
for (i = 0; i < 5; i++) { |
431 |
temp = psiconv_read_u16(buf,lev+2,off+len,&res); |
432 |
if (res) |
433 |
goto ERROR2; |
434 |
if (temp != 0) { |
435 |
psiconv_warn(lev+2,off+len, |
436 |
"Unexpected value in sketch section preamble (ignored)"); |
437 |
psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i, |
438 |
temp,0); |
439 |
} |
440 |
off += 0x02; |
441 |
} |
442 |
} else { |
443 |
psiconv_progress(lev+2,off+len,"Going to read the displayed hor. size"); |
444 |
(*result)->picture_xsize = psiconv_read_u16(buf,lev+2,off + len,&res); |
445 |
if (res) |
446 |
goto ERROR2; |
447 |
psiconv_debug(lev+2,off+len,"Displayed hor. size: %04x", |
448 |
(*result)->picture_xsize); |
449 |
len += 0x02; |
450 |
psiconv_progress(lev+2,off+len,"Going to read the displayed ver. size"); |
451 |
(*result)->picture_ysize = psiconv_read_u16(buf,lev+2,off + len,&res); |
452 |
if (res) |
453 |
goto ERROR2; |
454 |
psiconv_debug(lev+2,off+len,"Displayed ver. size: %04x", |
455 |
(*result)->picture_ysize); |
456 |
len += 0x02; |
457 |
|
458 |
psiconv_progress(lev+2,off+len,"Going to skip 2 words of zeros"); |
459 |
for (i = 0; i < 2; i++) { |
460 |
temp = psiconv_read_u16(buf,lev+2,off+len,&res); |
461 |
if (res) |
462 |
goto ERROR2; |
463 |
if (temp != 0) { |
464 |
psiconv_warn(lev+2,off+len, |
465 |
"Unexpected value in sketch section preamble (ignored)"); |
466 |
psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i, |
467 |
temp,0); |
468 |
} |
469 |
off += 0x02; |
470 |
} |
471 |
psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset"); |
472 |
(*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len,&res); |
473 |
if (res) |
474 |
goto ERROR2; |
475 |
psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x", |
476 |
(*result)->picture_x_offset); |
477 |
len += 0x02; |
478 |
psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset"); |
479 |
(*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len,&res); |
480 |
if (res) |
481 |
goto ERROR2; |
482 |
psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x", |
483 |
(*result)->picture_y_offset); |
484 |
len += 0x02; |
485 |
psiconv_progress(lev+2,off+len,"Going to read the form hor. size"); |
486 |
(*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len,&res); |
487 |
if (res) |
488 |
goto ERROR2; |
489 |
psiconv_debug(lev+2,off+len,"Form hor. size: %04x", |
490 |
(*result)->form_xsize); |
491 |
len += 0x02; |
492 |
psiconv_progress(lev+2,off+len,"Going to read the form ver. size"); |
493 |
(*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len,&res); |
494 |
if (res) |
495 |
goto ERROR2; |
496 |
psiconv_debug(lev+2,off+len,"Form ver. size: %04x", |
497 |
(*result)->form_ysize); |
498 |
len += 0x02; |
499 |
psiconv_progress(lev+2,off+len,"Going to skip 1 zero word"); |
500 |
temp = psiconv_read_u16(buf,lev+2,off+len,&res); |
501 |
if (res) |
502 |
goto ERROR2; |
503 |
if (temp != 0) { |
504 |
psiconv_warn(lev+2,off+len, |
505 |
"Unexpected value in sketch section preamble (ignored)"); |
506 |
psiconv_debug(lev+2,off+len,"Read %04x, expected %04x",i, temp,0); |
507 |
} |
508 |
off += 0x02; |
509 |
} |
510 |
|
511 |
psiconv_progress(lev+2,off+len,"Going to read the picture data"); |
512 |
if ((res = psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,0, |
513 |
&((*result)->picture)))) |
514 |
goto ERROR2; |
515 |
off += leng; |
516 |
if (!is_object) { |
517 |
(*result)->picture_xsize = (*result)->picture->xsize; |
518 |
(*result)->picture_ysize = (*result)->picture->ysize; |
519 |
} |
520 |
|
521 |
psiconv_progress(lev+2,off+len,"Going to read the hor. magnification"); |
522 |
(*result)->magnification_x = psiconv_read_u16(buf,lev+2,off+len,&res)/1000.0; |
523 |
if (res) |
524 |
goto ERROR3; |
525 |
psiconv_debug(lev+2,off+len,"Form hor. magnification: %f", |
526 |
(*result)->magnification_x); |
527 |
len += 0x02; |
528 |
psiconv_progress(lev+2,off+len,"Going to read the ver. magnification"); |
529 |
(*result)->magnification_y = psiconv_read_u16(buf,lev+2,off+len,&res)/1000.0; |
530 |
if (res) |
531 |
goto ERROR3; |
532 |
psiconv_debug(lev+2,off+len,"Form ver. magnification: %f", |
533 |
(*result)->magnification_y); |
534 |
len += 0x02; |
535 |
|
536 |
psiconv_progress(lev+2,off+len,"Going to read the left cut"); |
537 |
temp = psiconv_read_u32(buf,lev+2,off + len,&res); |
538 |
if (res) |
539 |
goto ERROR3; |
540 |
(*result)->cut_left = (temp * 6.0) / (*result)->picture_xsize; |
541 |
psiconv_debug(lev+2,off+len,"Left cut: raw %08x, real: %f", |
542 |
temp,(*result)->cut_left); |
543 |
len += 0x04; |
544 |
psiconv_progress(lev+2,off+len,"Going to read the right cut"); |
545 |
temp = psiconv_read_u32(buf,lev+2,off + len,&res); |
546 |
if (res) |
547 |
goto ERROR3; |
548 |
(*result)->cut_right = (temp * 6.0) / (*result)->picture_xsize; |
549 |
psiconv_debug(lev+2,off+len,"Right cut: raw %08x, real: %f", |
550 |
temp,(*result)->cut_right); |
551 |
len += 0x04; |
552 |
psiconv_progress(lev+2,off+len,"Going to read the top cut"); |
553 |
temp = psiconv_read_u32(buf,lev+2,off + len,&res); |
554 |
if (res) |
555 |
goto ERROR3; |
556 |
(*result)->cut_top = (temp * 6.0) / (*result)->picture_ysize; |
557 |
psiconv_debug(lev+2,off+len,"Top cut: raw %08x, real: %f", |
558 |
temp,(*result)->cut_top); |
559 |
len += 0x04; |
560 |
psiconv_progress(lev+2,off+len,"Going to read the bottom cut"); |
561 |
temp = psiconv_read_u32(buf,lev+2,off + len,&res); |
562 |
if (res) |
563 |
goto ERROR3; |
564 |
(*result)->cut_bottom = (temp * 6.0) / (*result)->picture_ysize; |
565 |
psiconv_debug(lev+2,off+len,"Bottom cut: raw %08x, real: %f", |
566 |
temp,(*result)->cut_bottom); |
567 |
len += 0x04; |
568 |
|
569 |
if (length) |
570 |
*length = len; |
571 |
|
572 |
psiconv_progress(lev,off+len-1, |
573 |
"End of sketch section (total length: %08x)", len); |
574 |
|
575 |
return res; |
576 |
ERROR3: |
577 |
psiconv_free_paint_data_section((*result)->picture); |
578 |
ERROR2: |
579 |
free (*result); |
580 |
ERROR1: |
581 |
psiconv_warn(lev+1,off,"Reading of Sketch Section failed"); |
582 |
if (length) |
583 |
*length = 0; |
584 |
if (!res) |
585 |
return -PSICONV_E_NOMEM; |
586 |
else |
587 |
return res; |
588 |
} |
589 |
|
590 |
|
591 |
int psiconv_parse_clipart_section(const psiconv_buffer buf,int lev, |
592 |
psiconv_u32 off, int *length, |
593 |
psiconv_clipart_section *result) |
594 |
{ |
595 |
int res=0; |
596 |
int len=0; |
597 |
int leng; |
598 |
psiconv_u32 temp; |
599 |
|
600 |
psiconv_progress(lev+1,off+len,"Going to read the clipart section"); |
601 |
if (!(*result = malloc(sizeof(**result)))) |
602 |
goto ERROR1; |
603 |
|
604 |
psiconv_progress(lev+2,off+len,"Going to read the section ID"); |
605 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
606 |
if (res) |
607 |
goto ERROR2; |
608 |
if (temp != PSICONV_ID_CLIPART_ITEM) { |
609 |
psiconv_warn(lev+2,off+len, |
610 |
"Unexpected value in clipart section preamble (ignored)"); |
611 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, |
612 |
PSICONV_ID_CLIPART_ITEM); |
613 |
} else |
614 |
psiconv_debug(lev+2,off+len,"Clipart ID: %08x", temp); |
615 |
off += 4; |
616 |
|
617 |
psiconv_progress(lev+2,off+len,"Going to read an unknown long"); |
618 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
619 |
if (res) |
620 |
goto ERROR2; |
621 |
if (temp != 0x02) { |
622 |
psiconv_warn(lev+2,off+len, |
623 |
"Unexpected value in clipart section preamble (ignored)"); |
624 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, |
625 |
0x02); |
626 |
} else |
627 |
psiconv_debug(lev+2,off+len,"First unknown long: %08x", temp); |
628 |
off += 4; |
629 |
|
630 |
psiconv_progress(lev+2,off+len,"Going to read a second unknown long"); |
631 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
632 |
if (res) |
633 |
goto ERROR2; |
634 |
if (temp != 0) { |
635 |
psiconv_warn(lev+2,off+len, |
636 |
"Unexpected value in clipart section preamble (ignored)"); |
637 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
638 |
} else |
639 |
psiconv_debug(lev+2,off+len,"Second unknown long: %08x", temp); |
640 |
off += 4; |
641 |
|
642 |
psiconv_progress(lev+2,off+len,"Going to read a third unknown long"); |
643 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
644 |
if (res) |
645 |
goto ERROR2; |
646 |
if (temp != 0) { |
647 |
psiconv_warn(lev+2,off+len, |
648 |
"Unexpected value in clipart section preamble (ignored)"); |
649 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
650 |
} else |
651 |
psiconv_debug(lev+2,off+len,"Third unknown long: %08x", temp); |
652 |
off += 4; |
653 |
|
654 |
psiconv_progress(lev+2,off+len,"Going to read a fourth unknown long"); |
655 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
656 |
if (res) |
657 |
goto ERROR2; |
658 |
if ((temp != 0x0c) && (temp != 0x08)) { |
659 |
psiconv_warn(lev+2,off+len, |
660 |
"Unexpected value in clipart section preamble (ignored)"); |
661 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x or %08x",temp, |
662 |
0x0c, 0x08); |
663 |
} else |
664 |
psiconv_debug(lev+2,off+len,"Fourth unknown long: %08x", temp); |
665 |
off += 4; |
666 |
|
667 |
psiconv_progress(lev+2,off+len,"Going to read the Paint Data Section"); |
668 |
if ((res = psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,1, |
669 |
&((*result)->picture)))) |
670 |
goto ERROR2; |
671 |
len += leng; |
672 |
|
673 |
if (length) |
674 |
*length = len; |
675 |
|
676 |
psiconv_progress(lev,off+len-1, |
677 |
"End of clipart section (total length: %08x)", len); |
678 |
return 0; |
679 |
|
680 |
ERROR2: |
681 |
free (*result); |
682 |
ERROR1: |
683 |
psiconv_warn(lev+1,off,"Reading of Font failed"); |
684 |
if (length) |
685 |
*length = 0; |
686 |
if (!res) |
687 |
return -PSICONV_E_NOMEM; |
688 |
else |
689 |
return res; |
690 |
} |