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