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