/[public]/psiconv/trunk/lib/psiconv/parse_image.c
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Diff of /psiconv/trunk/lib/psiconv/parse_image.c

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Revision 10 Revision 43
… …
20#include "config.h" 20#include "config.h"
21#include <stdlib.h> 21#include <stdlib.h>
22 22
23#include "data.h" 23#include "data.h"
24#include "parse_routines.h" 24#include "parse_routines.h"
25
26int 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 (*result) = psiconv_list_new(sizeof(psiconv_u32));
37
38 psiconv_progress(lev+2,off+len,"Going to read the list length");
39 listlen = psiconv_read_u32(buf,lev+2,off+len);
40 psiconv_debug(lev+2,off+len,"List length: %08x",listlen);
41 len += 4;
42
43 psiconv_progress(lev+2,off+len,"Going to read the list");
44 for (i = 0; i < listlen; i++) {
45 temp = psiconv_read_u32(buf,lev+2,off+len);
46 psiconv_list_add(*result,&temp);
47 psiconv_debug(lev+3,off+len,"Offset: %08x",temp);
48 len += 4;
49 }
50
51 if (length)
52 *length = len;
53
54 psiconv_progress(lev+1,off+len-1,"End of jumptable section "
55 "(total length: %08x)", len);
56
57 return res;
58}
59
60static int decode_byte(int lev, psiconv_u32 off,
61 psiconv_paint_data_section data, int *pixelnr,
62 psiconv_u8 byte, int bits_per_pixel, int linelen,
63 int *linepos,int picsize)
64{
65 int mask = (bits_per_pixel << 1) -1;
66 int i;
67 if (*linepos < (data->xsize + (8/bits_per_pixel) - 1) / (8/bits_per_pixel))
68 for (i = 0; i < 8/bits_per_pixel; i ++) {
69 if ((i != 0) && ((*pixelnr % (data->xsize)) == 0)) {
70 psiconv_debug(lev+1,off,"Skipping padding: %02x",byte);
71 i = 8;
72 } else if (*pixelnr >= picsize) {
73 psiconv_warn(lev+1,off,"Corrupted picture data!");
74 psiconv_debug(lev+1,off,"Trying to write a pixel too far");
75 return -1;
76 } else {
77 data->red[*pixelnr] = data->green[*pixelnr] = data->blue[*pixelnr] =
78 ((float) (byte & mask)) / ((1 << bits_per_pixel) -1);
79 psiconv_debug(lev+1,off,"Pixel %04x: (%04x,%04x) value %02x, color %f",
80 *pixelnr,*pixelnr % data->xsize,*pixelnr / data->xsize, byte&mask, data->red[*pixelnr]);
81 byte = byte >> bits_per_pixel;
82 (*pixelnr) ++;
83 }
84 }
85 else
86 psiconv_debug(lev+1,off,"Skipping padding byte");
87 (*linepos) ++;
88 if (*linepos == linelen)
89 *linepos = 0;
90 return 0;
91}
92
25 93
26int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, 94int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev,
27 psiconv_u32 off, int *length, 95 psiconv_u32 off, int *length,
28 psiconv_paint_data_section *result) 96 psiconv_paint_data_section *result)
29{ 97{
30 int res = 0; 98 int res = 0;
31 int len = 0; 99 int len = 0;
32 psiconv_u32 size; 100 int read_err = 0;
101 psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen;
102 psiconv_u8 marker;
33 int leng; 103 int i,leng;
104 psiconv_u32 bits_per_pixel,compression;
105 int linepos = 0;
34 106
35 psiconv_progress(lev+1,off,"Going to read a paint data section"); 107 psiconv_progress(lev+1,off,"Going to read a paint data section");
36 (*result) = malloc(sizeof(**result)); 108 (*result) = malloc(sizeof(**result));
37 109
38 psiconv_progress(lev+2,off+len,"Going to read section size"); 110 psiconv_progress(lev+2,off+len,"Going to read section size");
… …
40 psiconv_debug(lev+2,off+len,"Section size: %08x",size); 112 psiconv_debug(lev+2,off+len,"Section size: %08x",size);
41 len += 4; 113 len += 4;
42 114
43 psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); 115 psiconv_progress(lev+2,off+len,"Going to read pixel data offset");
44 offset = psiconv_read_u32(buf,lev+2,off+len); 116 offset = psiconv_read_u32(buf,lev+2,off+len);
45 if (size != 0x28) { 117 if (offset != 0x28) {
46 psiconv_warn(lev+2,off+len, 118 psiconv_warn(lev+2,off+len,
47 "Paint data section data offset has unexpected value"); 119 "Paint data section data offset has unexpected value");
48 psiconv_debug(lev+2,off+len, 120 psiconv_debug(lev+2,off+len,
49 "Data offset: read %08x, expected %08x",offset,0x28); 121 "Data offset: read %08x, expected %08x",offset,0x28);
122 res = -1;
50 } 123 }
51 len += 4; 124 len += 4;
52 125
53 psiconv_progress(lev+2,off+len,"Going to read picture X size"); 126 psiconv_progress(lev+2,off+len,"Going to read picture X size");
54 (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); 127 (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len);
… …
60 psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); 133 psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize);
61 len += 4; 134 len += 4;
62 135
63 picsize = (*result)->ysize * (*result)->xsize; 136 picsize = (*result)->ysize * (*result)->xsize;
64 137
65 psiconv_progress("Going to read 6 unused longs"); 138 psiconv_progress(lev+2,off+len,"Going to read the real picture x size");
139 (*result)->pic_xsize = psiconv_read_length(buf,lev+2,off+len,&leng);
140 psiconv_debug(lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize);
141 len += leng;
142
143 psiconv_progress(lev+2,off+len,"Going to read the real picture y size");
144 (*result)->pic_ysize = psiconv_read_length(buf,lev+2,off+len,&leng);
145 psiconv_debug(lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize);
146 len += leng;
147
148 psiconv_progress(lev+2,off+len,"Going to read the number of bits per pixel");
149 bits_per_pixel=psiconv_read_u32(buf,lev+2,off+len);
150 if (bits_per_pixel > 8) {
151 psiconv_warn(lev+2,off+len,"Picture has too many colors");
152 psiconv_debug(lev+2,off+len,"Read %d colorbits",bits_per_pixel);
153 res = -1;
154 bits_per_pixel = 2;
155 }
156 psiconv_debug(lev+2,off+len,"Bits per pixel: %d",bits_per_pixel);
157 len += 4;
158
66 for (i = 0 ; i < 6; i++) { 159 for (i = 0 ; i < 2; i++) {
67 temp = psiconv_read_u32(buf,lev+2,off+len); 160 temp = psiconv_read_u32(buf,lev+2,off+len);
68 if (temp != 0x00) { 161 if (temp != 00) {
69 psiconv_warn(lev+2,off+len, 162 psiconv_warn(lev+2,off+len,
70 "Paint data section prologue has unknown values"); 163 "Paint data section prologue has unknown values");
71 psiconv_debug(lev+2,off+len, 164 psiconv_debug(lev+2,off+len,
72 "offset %02x: read %08x, expected %08x",i,temp,0x00); 165 "offset %02x: read %08x, expected %08x",i,temp, 0x00);
166 res = -1;
73 } 167 }
74 len += 4; 168 len += 4;
75 } 169 }
170
171 psiconv_progress(lev+2,off+len,
172 "Going to read whether RLE compression is used");
173 compression=psiconv_read_u32(buf,lev+2,off+len);
174 if (compression > 1) {
175 psiconv_warn(lev+2,off+len,"Paint data section has unknown "
176 "compression type, assuming RLE");
177 psiconv_debug(lev+2,off+len,"Read compression type %d",compression);
178 compression = 1;
179 }
180 psiconv_debug(lev+2,off+len,"Compression: %s",compression?"RLE":"none");
76 181
77 (*result)->red = malloc(sizeof(float) * picsize); 182 (*result)->red = malloc(sizeof(float) * picsize);
78 (*result)->green = malloc(sizeof(float) * picsize); 183 (*result)->green = malloc(sizeof(float) * picsize);
79 (*result)->blue = malloc(sizeof(float) * picsize); 184 (*result)->blue = malloc(sizeof(float) * picsize);
80 len = offset; 185 len = offset;
81 datasize = size - len; 186 datasize = size - len;
82 187
83 psiconv_progress(buf,lev+2,off+len,"Going to read the pixel data"); 188 psiconv_progress(lev+2,off+len,"Going to read the pixel data");
84 pixelnr = 0; 189 pixelnr = 0;
85 datanr = 0; 190 datanr = 0;
86 while ((datanr < datasize) && (pixelnr < picsize)) { 191 if (!compression) {
192 linelen = datasize / (*result)->ysize;
193 psiconv_debug(lev+3,off+len,"Line length: %04x bytes",linelen);
194 while((datanr < datasize)) {
195 temp = psiconv_read_u8(buf,lev+2,off+len+datanr);
196 if (decode_byte(lev+3,off+len+datanr,*result,&pixelnr,temp,bits_per_pixel,
197 linelen,&linepos,picsize)) {
198 read_err = 1;
199 res = -1;
200 break;
201 }
202 datanr++;
203 }
204 } else {
205 psiconv_progress(lev+2,off+len,"First pass: determining line length");
206 datanr = 0;
207 i = 0;
208 while (datanr < datasize) {
87 marker = psiconv_read_u8(buf,lev+3,off+len+datanr); 209 marker = psiconv_read_u8(buf,lev+3,off+len+datanr);
210 if (marker >= 0x80) {
211 datanr += 0x100 - marker + 1;
212 i += 0x100 - marker;
213 } else {
214 datanr += 2;
215 i += marker + 1;
216 }
217 }
218 linelen = i / (*result)->ysize;
219 datanr=0;
220 psiconv_debug(lev+2,off+len,"Linelen: %04x bytes",linelen);
221 while((datanr < datasize)) {
222 marker = psiconv_read_u8(buf,lev+3,off+len+datanr);
223 psiconv_debug(lev+3,off+len+datanr,
224 "Pixelnr %08x, Datanr %08x: Read marker %02x",
225 pixelnr,datanr,marker);
226 datanr ++;
227 if (marker >= 0x80) {
228 /* 0x100 - marker bytes of data follow */
229 for (i = 0; i < 0x100-marker; i++,datanr++) {
230 if (datanr >= datasize) {
231 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
232 psiconv_debug(lev+3,off+len+datanr,
233 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
234 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr,
235 datanr,marker);
236 read_err = 1;
237 res = -1;
238 break;
239 }
240 temp = psiconv_read_u8(buf,lev+2,off+len+datanr);
241 if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp,
242 bits_per_pixel,linelen,&linepos,picsize)) {
243 res = -1;
244 read_err = 1;
245 break;
246 }
247 }
248 } else {
249 if (datanr >= datasize) {
250 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
251 psiconv_debug(lev+3,off+len+datanr,
252 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
253 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr,
254 datanr,marker);
255 read_err = 1;
256 res = -1;
257 } else {
258 temp = psiconv_read_u8(buf,lev+3,off+len+datanr);
259 for (i = 0; i <= marker; i++) {
260 if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp,
261 bits_per_pixel,linelen,&linepos,picsize)) {
262 read_err = 1;
263 res = -1;
264 break;
265 }
266 }
267 datanr ++;
268 }
269 }
270 }
271 }
272
273 if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) /
274 (8/bits_per_pixel))
275 datanr += (linelen - linepos);
276
277 if (!read_err && ((datanr != datasize) || (pixelnr != picsize))) {
278 psiconv_warn(lev+2,off+len,"Corrupted picture data!");
88 psiconv_debug(lev+3,off+len+datanr, 279 psiconv_debug(lev+3,off+len+datanr,
89 "Pixelnr %08x, Datanr %08x: Read marker %02x",
90 pixelnr,datanr,marker);
91 datanr ++;
92 if (marker >= 0x80) {
93 /* 0x100 - marker bytes of data follow */
94 if ((0x100 - marker + datanr > datasize) ||
95 ((0x100 - marker) * 4 + pixelnr > picsize)) {
96 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
97 psiconv_debug(lev+3,off+len+datanr,
98 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," 280 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
99 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, 281 "Datanr: %08x",picsize,datasize,pixelnr,datanr);
100 datanr,marker); 282 res = -1;
101 } else {
102 for (i = 0; i < 0x100-marker; i++) {
103 temp = psiconv_read_u8(buf,lev+3,off+len+datanr+i);
104 (*result)->red[pixelnr + i*4] =
105 (*result)->green[pixelnr + i*4] =
106 (*result)->blue[pixelnr + i*4] =
107 (temp & 0x03) * (1.0/3.0);
108 (*result)->red[pixelnr + i*4 + 1] =
109 (*result)->green[pixelnr + i*4 +1] =
110 (*result)->blue[pixelnr + i*4 + 1] =
111 ((temp >> 2) & 0x03) * (1.0/3.0);
112 (*result)->red[pixelnr + i*4 + 2] =
113 (*result)->green[pixelnr + i*4 +2] =
114 (*result)->blue[pixelnr + i*4 + 2] =
115 ((temp >> 4) & 0x03) * (1.0/3.0);
116 (*result)->red[pixelnr + i*4 + 3] =
117 (*result)->green[pixelnr + i*4 +3] =
118 (*result)->blue[pixelnr + i*4 + 3] =
119 ((temp >> 6) & 0x03) * (1.0/3.0);
120 }
121 }
122 pixelnr += (0x100 - marker) * 4;
123 datanr += (0x100 - marker);
124 } else { /* marker < 0x080 */
125 if ((datanr + 1 > datasize) ||
126 (marker * 4 + pixelnr > picsize)) {
127 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
128 psiconv_debug(lev+3,off+len+datanr,
129 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
130 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr,
131 datanr,marker);
132 } else {
133 temp = psiconv_read_u8(buf,lev+3,off+len+datanr);
134 for (i = 0; i < marker; i++) {
135 (*result)->red[pixelnr + i*4] =
136 (*result)->green[pixelnr + i*4] =
137 (*result)->blue[pixelnr + i*4] =
138 (temp & 0x03) * (1.0/3.0);
139 (*result)->red[pixelnr + i*4 + 1] =
140 (*result)->green[pixelnr + i*4 +1] =
141 (*result)->blue[pixelnr + i*4 + 1] =
142 ((temp >> 2) & 0x03) * (1.0/3.0);
143 (*result)->red[pixelnr + i*4 + 2] =
144 (*result)->green[pixelnr + i*4 +2] =
145 (*result)->blue[pixelnr + i*4 + 2] =
146 ((temp >> 4) & 0x03) * (1.0/3.0);
147 (*result)->red[pixelnr + i*4 + 3] =
148 (*result)->green[pixelnr + i*4 +3] =
149 (*result)->blue[pixelnr + i*4 + 3] =
150 ((temp >> 6) & 0x03) * (1.0/3.0);
151 }
152 }
153 pixelnr += marker * 4;
154 datanr += 1;
155 } 283 }
156 } 284
157 len += datanr; 285 len += datanr;
158 286
159 if (length) 287 if (length)
160 *length = len; 288 *length = len;
161 289
162 psiconv_progress(lev+1,off+len-1,"End of paint data section " 290 psiconv_progress(lev+1,off+len-1,"End of paint data section "
163 "(total length: %08x", len); 291 "(total length: %08x)", len);
164 292
165 return res; 293 return res;
166} 294}
167 295
296int psiconv_parse_sketch_section(const psiconv_buffer buf, int lev,
297 psiconv_u32 off, int *length, int is_object,
298 psiconv_sketch_section *result)
299{
300 int res=0;
301 int len=0;
302 psiconv_u32 temp;
303 int leng;
304 int i;
168 305
306 psiconv_progress(lev+1,off,"Going to read the sketch section");
307 *result = malloc(sizeof(**result));
308
309 if (!is_object) {
310 psiconv_progress(lev+2,off+len,"Going to read the form hor. size");
311 (*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len);
312 psiconv_debug(lev+2,off+len,"Form hor. size: %04x",
313 (*result)->form_xsize);
314 len += 0x02;
315 psiconv_progress(lev+2,off+len,"Going to read the form ver. size");
316 (*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len);
317 psiconv_debug(lev+2,off+len,"Form ver. size: %04x",
318 (*result)->form_ysize);
319 len += 0x02;
320 psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset");
321 (*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len);
322 psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x",
323 (*result)->picture_x_offset);
324 len += 0x02;
325 psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset");
326 (*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len);
327 psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x",
328 (*result)->picture_y_offset);
329 len += 0x02;
330 psiconv_progress(lev+2,off+len,"Going to skip 5 words of zeros");
331 for (i = 0; i < 5; i++) {
332 temp = psiconv_read_u16(buf,lev+2,off+len);
333 if (temp != 0) {
334 psiconv_warn(lev+2,off+len,
335 "Unexpected value in sketch section preamble");
336 psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i,
337 temp,0);
338 res = -1;
339 }
340 off += 0x02;
341 }
342 } else {
343 psiconv_progress(lev+2,off+len,"Going to read the displayed hor. size");
344 (*result)->picture_xsize = psiconv_read_u16(buf,lev+2,off + len);
345 psiconv_debug(lev+2,off+len,"Displayed hor. size: %04x",
346 (*result)->picture_xsize);
347 len += 0x02;
348 psiconv_progress(lev+2,off+len,"Going to read the displayed ver. size");
349 (*result)->picture_ysize = psiconv_read_u16(buf,lev+2,off + len);
350 psiconv_debug(lev+2,off+len,"Displayed ver. size: %04x",
351 (*result)->picture_ysize);
352 len += 0x02;
353
354 psiconv_progress(lev+2,off+len,"Going to skip 2 words of zeros");
355 for (i = 0; i < 2; i++) {
356 temp = psiconv_read_u16(buf,lev+2,off+len);
357 if (temp != 0) {
358 psiconv_warn(lev+2,off+len,
359 "Unexpected value in sketch section preamble");
360 psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i,
361 temp,0);
362 res = -1;
363 }
364 off += 0x02;
365 }
366 psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset");
367 (*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len);
368 psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x",
369 (*result)->picture_x_offset);
370 len += 0x02;
371 psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset");
372 (*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len);
373 psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x",
374 (*result)->picture_y_offset);
375 len += 0x02;
376 psiconv_progress(lev+2,off+len,"Going to read the form hor. size");
377 (*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len);
378 psiconv_debug(lev+2,off+len,"Form hor. size: %04x",
379 (*result)->form_xsize);
380 len += 0x02;
381 psiconv_progress(lev+2,off+len,"Going to read the form ver. size");
382 (*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len);
383 psiconv_debug(lev+2,off+len,"Form ver. size: %04x",
384 (*result)->form_ysize);
385 len += 0x02;
386 psiconv_progress(lev+2,off+len,"Going to skip 1 zero word");
387 temp = psiconv_read_u16(buf,lev+2,off+len);
388 if (temp != 0) {
389 psiconv_warn(lev+2,off+len,
390 "Unexpected value in sketch section preamble");
391 psiconv_debug(lev+2,off+len,"Read %04x, expected %04x",i, temp,0);
392 res = -1;
393 }
394 off += 0x02;
395 }
396
397 psiconv_progress(lev+2,off+len,"Going to read the picture data");
398 res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,
399 &((*result)->picture));
400 off += leng;
401 if (!is_object) {
402 (*result)->picture_xsize = (*result)->picture->xsize;
403 (*result)->picture_ysize = (*result)->picture->ysize;
404 }
405
406 psiconv_progress(lev+2,off+len,"Going to read the hor. magnification");
407 (*result)->magnification_x = psiconv_read_u16(buf,lev+2,off + len) / 1000.0;
408 psiconv_debug(lev+2,off+len,"Form hor. magnification: %f",
409 (*result)->magnification_x);
410 len += 0x02;
411 psiconv_progress(lev+2,off+len,"Going to read the ver. magnification");
412 (*result)->magnification_y = psiconv_read_u16(buf,lev+2,off + len) / 1000.0;
413 psiconv_debug(lev+2,off+len,"Form ver. magnification: %f",
414 (*result)->magnification_y);
415 len += 0x02;
416
417 psiconv_progress(lev+2,off+len,"Going to read the left cut");
418 temp = psiconv_read_u32(buf,lev+2,off + len);
419 (*result)->cut_left = (temp * 6.0) / (*result)->picture_xsize;
420 psiconv_debug(lev+2,off+len,"Left cut: raw %08x, real: %f",
421 temp,(*result)->cut_left);
422 len += 0x04;
423 psiconv_progress(lev+2,off+len,"Going to read the right cut");
424 temp = psiconv_read_u32(buf,lev+2,off + len);
425 (*result)->cut_right = (temp * 6.0) / (*result)->picture_xsize;
426 psiconv_debug(lev+2,off+len,"Right cut: raw %08x, real: %f",
427 temp,(*result)->cut_right);
428 len += 0x04;
429 psiconv_progress(lev+2,off+len,"Going to read the top cut");
430 temp = psiconv_read_u32(buf,lev+2,off + len);
431 (*result)->cut_top = (temp * 6.0) / (*result)->picture_ysize;
432 psiconv_debug(lev+2,off+len,"Top cut: raw %08x, real: %f",
433 temp,(*result)->cut_top);
434 len += 0x04;
435 psiconv_progress(lev+2,off+len,"Going to read the bottom cut");
436 temp = psiconv_read_u32(buf,lev+2,off + len);
437 (*result)->cut_bottom = (temp * 6.0) / (*result)->picture_ysize;
438 psiconv_debug(lev+2,off+len,"Bottom cut: raw %08x, real: %f",
439 temp,(*result)->cut_bottom);
440 len += 0x04;
441
442 if (length)
443 *length = len;
444
445 psiconv_progress(lev,off+len-1,
446 "End of sketch section (total length: %08x)", len);
447
448 return res;
449}
450
451
452int psiconv_parse_clipart_section(const psiconv_buffer buf,int lev,
453 psiconv_u32 off, int *length,
454 psiconv_clipart_section *result)
455{
456 int res=0;
457 int len=0;
458 int leng;
459 psiconv_u32 temp;
460
461 psiconv_progress(lev+1,off+len,"Going to read the clipart section");
462 *result = malloc(sizeof(**result));
463
464 psiconv_progress(lev+2,off+len,"Going to read the section ID");
465 temp = psiconv_read_u32(buf,lev+2,off+len);
466 if (temp != PSICONV_ID_CLIPART_ITEM) {
467 psiconv_warn(lev+2,off+len,
468 "Unexpected value in clipart section preamble");
469 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp,
470 PSICONV_ID_CLIPART_ITEM);
471 res = -1;
472 } else
473 psiconv_debug(lev+2,off+len,"Clipart ID: %08x", temp);
474 off += 4;
475
476 psiconv_progress(lev+2,off+len,"Going to read an unknown long");
477 temp = psiconv_read_u32(buf,lev+2,off+len);
478 if (temp != 0x02) {
479 psiconv_warn(lev+2,off+len,
480 "Unexpected value in clipart section preamble");
481 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp,
482 0x02);
483 res = -1;
484 } else
485 psiconv_debug(lev+2,off+len,"First unknown long: %08x", temp);
486 off += 4;
487
488 psiconv_progress(lev+2,off+len,"Going to read a second unknown long");
489 temp = psiconv_read_u32(buf,lev+2,off+len);
490 if (temp != 0) {
491 psiconv_warn(lev+2,off+len,
492 "Unexpected value in clipart section preamble");
493 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0);
494 res = -1;
495 } else
496 psiconv_debug(lev+2,off+len,"Second unknown long: %08x", temp);
497 off += 4;
498
499 psiconv_progress(lev+2,off+len,"Going to read a third unknown long");
500 temp = psiconv_read_u32(buf,lev+2,off+len);
501 if (temp != 0) {
502 psiconv_warn(lev+2,off+len,
503 "Unexpected value in clipart section preamble");
504 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0);
505 res = -1;
506 } else
507 psiconv_debug(lev+2,off+len,"Third unknown long: %08x", temp);
508 off += 4;
509
510 psiconv_progress(lev+2,off+len,"Going to read a fourth unknown long");
511 temp = psiconv_read_u32(buf,lev+2,off+len);
512 if ((temp != 0x0c) && (temp != 0x08)) {
513 psiconv_warn(lev+2,off+len,
514 "Unexpected value in clipart section preamble");
515 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x or %08x",temp,
516 0x0c, 0x08);
517 res = -1;
518 } else
519 psiconv_debug(lev+2,off+len,"Fourth unknown long: %08x", temp);
520 off += 4;
521
522 psiconv_progress(lev+2,off+len,"Going to read the Paint Data Section");
523 res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,
524 &((*result)->picture));
525 len += leng;
526
527 if (length)
528 *length = len;
529
530 psiconv_progress(lev,off+len-1,
531 "End of clipart section (total length: %08x)", len);
532
533 return res;
534}
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