/[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 11 Revision 45
… …
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 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
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,int isclipart,
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;
100 int read_err = 0;
32 psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr; 101 psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen;
33 psiconv_u8 marker; 102 psiconv_u8 marker;
34 int i; 103 int i,leng;
104 psiconv_u32 bits_per_pixel,compression;
105 int linepos = 0;
35 106
36 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");
37 (*result) = malloc(sizeof(**result)); 108 (*result) = malloc(sizeof(**result));
38 109
39 psiconv_progress(lev+2,off+len,"Going to read section size"); 110 psiconv_progress(lev+2,off+len,"Going to read section size");
… …
41 psiconv_debug(lev+2,off+len,"Section size: %08x",size); 112 psiconv_debug(lev+2,off+len,"Section size: %08x",size);
42 len += 4; 113 len += 4;
43 114
44 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");
45 offset = psiconv_read_u32(buf,lev+2,off+len); 116 offset = psiconv_read_u32(buf,lev+2,off+len);
46 if (size != 0x28) { 117 if (offset != 0x28) {
47 psiconv_warn(lev+2,off+len, 118 psiconv_warn(lev+2,off+len,
48 "Paint data section data offset has unexpected value"); 119 "Paint data section data offset has unexpected value");
49 psiconv_debug(lev+2,off+len, 120 psiconv_debug(lev+2,off+len,
50 "Data offset: read %08x, expected %08x",offset,0x28); 121 "Data offset: read %08x, expected %08x",offset,0x28);
122 res = -1;
51 } 123 }
52 len += 4; 124 len += 4;
53 125
54 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");
55 (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); 127 (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len);
… …
61 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);
62 len += 4; 134 len += 4;
63 135
64 picsize = (*result)->ysize * (*result)->xsize; 136 picsize = (*result)->ysize * (*result)->xsize;
65 137
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
66 psiconv_progress(lev+2,off+len,"Going to read 6 unused longs"); 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
67 for (i = 0 ; i < 6; i++) { 159 for (i = 0 ; i < 2; i++) {
68 temp = psiconv_read_u32(buf,lev+2,off+len); 160 temp = psiconv_read_u32(buf,lev+2,off+len);
69 if (temp != 0x00) { 161 if (temp != 00) {
70 psiconv_warn(lev+2,off+len, 162 psiconv_warn(lev+2,off+len,
71 "Paint data section prologue has unknown values"); 163 "Paint data section prologue has unknown values");
72 psiconv_debug(lev+2,off+len, 164 psiconv_debug(lev+2,off+len,
73 "offset %02x: read %08x, expected %08x",i,temp,0x00); 165 "offset %02x: read %08x, expected %08x",i,temp, 0x00);
166 res = -1;
167 }
168 len += 4;
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");
181 len += 4;
182
183 if (isclipart) {
184 psiconv_progress(lev+2,off+len,"Going to read an unknown long");
185 temp = psiconv_read_u32(buf,lev+2,off+len);
186 if (temp != 0xffffffff) {
187 psiconv_warn(lev+2,off+len,
188 "Paint data section prologue has unknown values");
189 psiconv_debug(lev+2,off+len,
190 "offset %02x: read %08x, expected %08x",i,temp, 0xffffffff);
191 res = -1;
192 }
193 len += 4;
194 psiconv_progress(lev+2,off+len,"Going to read a second unknown long");
195 temp = psiconv_read_u32(buf,lev+2,off+len);
196 if (temp != 0x44) {
197 psiconv_warn(lev+2,off+len,
198 "Paint data section prologue has unknown values");
199 psiconv_debug(lev+2,off+len,
200 "offset %02x: read %08x, expected %08x",i,temp, 0x44);
201 res = -1;
74 } 202 }
75 len += 4; 203 len += 4;
76 } 204 }
77 205
78 (*result)->red = malloc(sizeof(float) * picsize); 206 (*result)->red = malloc(sizeof(float) * picsize);
79 (*result)->green = malloc(sizeof(float) * picsize); 207 (*result)->green = malloc(sizeof(float) * picsize);
80 (*result)->blue = malloc(sizeof(float) * picsize); 208 (*result)->blue = malloc(sizeof(float) * picsize);
81 len = offset; 209 len = offset;
82 datasize = size - len; 210 datasize = size - len;
211 if (isclipart)
212 len += 8;
83 213
84 psiconv_progress(lev+2,off+len,"Going to read the pixel data"); 214 psiconv_progress(lev+2,off+len,"Going to read the pixel data");
85 pixelnr = 0; 215 pixelnr = 0;
86 datanr = 0; 216 datanr = 0;
87 while ((datanr < datasize) && (pixelnr < picsize)) { 217 if (!compression) {
218 linelen = datasize / (*result)->ysize;
219 psiconv_debug(lev+3,off+len,"Line length: %04x bytes",linelen);
220 while((datanr < datasize)) {
221 temp = psiconv_read_u8(buf,lev+2,off+len+datanr);
222 if (decode_byte(lev+3,off+len+datanr,*result,&pixelnr,temp,bits_per_pixel,
223 linelen,&linepos,picsize)) {
224 read_err = 1;
225 res = -1;
226 break;
227 }
228 datanr++;
229 }
230 } else {
231 psiconv_progress(lev+2,off+len,"First pass: determining line length");
232 datanr = 0;
233 i = 0;
234 while (datanr < datasize) {
88 marker = psiconv_read_u8(buf,lev+3,off+len+datanr); 235 marker = psiconv_read_u8(buf,lev+3,off+len+datanr);
236 if (marker >= 0x80) {
237 datanr += 0x100 - marker + 1;
238 i += 0x100 - marker;
239 } else {
240 datanr += 2;
241 i += marker + 1;
242 }
243 }
244 linelen = i / (*result)->ysize;
245 datanr=0;
246 psiconv_debug(lev+2,off+len,"Linelen: %04x bytes",linelen);
247 while((datanr < datasize)) {
248 marker = psiconv_read_u8(buf,lev+3,off+len+datanr);
249 psiconv_debug(lev+3,off+len+datanr,
250 "Pixelnr %08x, Datanr %08x: Read marker %02x",
251 pixelnr,datanr,marker);
252 datanr ++;
253 if (marker >= 0x80) {
254 /* 0x100 - marker bytes of data follow */
255 for (i = 0; i < 0x100-marker; i++,datanr++) {
256 if (datanr >= datasize) {
257 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
258 psiconv_debug(lev+3,off+len+datanr,
259 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
260 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr,
261 datanr,marker);
262 read_err = 1;
263 res = -1;
264 break;
265 }
266 temp = psiconv_read_u8(buf,lev+2,off+len+datanr);
267 if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp,
268 bits_per_pixel,linelen,&linepos,picsize)) {
269 res = -1;
270 read_err = 1;
271 break;
272 }
273 }
274 } else {
275 if (datanr >= datasize) {
276 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
277 psiconv_debug(lev+3,off+len+datanr,
278 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
279 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr,
280 datanr,marker);
281 read_err = 1;
282 res = -1;
283 } else {
284 temp = psiconv_read_u8(buf,lev+3,off+len+datanr);
285 for (i = 0; i <= marker; i++) {
286 if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp,
287 bits_per_pixel,linelen,&linepos,picsize)) {
288 read_err = 1;
289 res = -1;
290 break;
291 }
292 }
293 datanr ++;
294 }
295 }
296 }
297 }
298
299 if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) /
300 (8/bits_per_pixel))
301 datanr += (linelen - linepos);
302
303 if (!read_err && ((datanr != datasize) || (pixelnr != picsize))) {
304 psiconv_warn(lev+2,off+len,"Corrupted picture data!");
89 psiconv_debug(lev+3,off+len+datanr, 305 psiconv_debug(lev+3,off+len+datanr,
90 "Pixelnr %08x, Datanr %08x: Read marker %02x",
91 pixelnr,datanr,marker);
92 datanr ++;
93 if (marker >= 0x80) {
94 /* 0x100 - marker bytes of data follow */
95 if ((0x100 - marker + datanr > datasize) ||
96 ((0x100 - marker) * 4 + pixelnr > picsize)) {
97 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
98 psiconv_debug(lev+3,off+len+datanr,
99 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," 306 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
100 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, 307 "Datanr: %08x",picsize,datasize,pixelnr,datanr);
101 datanr,marker); 308 res = -1;
102 } else {
103 for (i = 0; i < 0x100-marker; i++) {
104 temp = psiconv_read_u8(buf,lev+3,off+len+datanr+i);
105 (*result)->red[pixelnr + i*4] =
106 (*result)->green[pixelnr + i*4] =
107 (*result)->blue[pixelnr + i*4] =
108 (temp & 0x03) * (1.0/3.0);
109 (*result)->red[pixelnr + i*4 + 1] =
110 (*result)->green[pixelnr + i*4 +1] =
111 (*result)->blue[pixelnr + i*4 + 1] =
112 ((temp >> 2) & 0x03) * (1.0/3.0);
113 (*result)->red[pixelnr + i*4 + 2] =
114 (*result)->green[pixelnr + i*4 +2] =
115 (*result)->blue[pixelnr + i*4 + 2] =
116 ((temp >> 4) & 0x03) * (1.0/3.0);
117 (*result)->red[pixelnr + i*4 + 3] =
118 (*result)->green[pixelnr + i*4 +3] =
119 (*result)->blue[pixelnr + i*4 + 3] =
120 ((temp >> 6) & 0x03) * (1.0/3.0);
121 }
122 }
123 pixelnr += (0x100 - marker) * 4;
124 datanr += (0x100 - marker);
125 } else { /* marker < 0x080 */
126 if ((datanr + 1 > datasize) ||
127 (marker * 4 + pixelnr > picsize)) {
128 psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data");
129 psiconv_debug(lev+3,off+len+datanr,
130 "Picsize: %08x, Datasize: %08x, Pixelnr: %08x,"
131 "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr,
132 datanr,marker);
133 } else {
134 temp = psiconv_read_u8(buf,lev+3,off+len+datanr);
135 for (i = 0; i < marker; i++) {
136 (*result)->red[pixelnr + i*4] =
137 (*result)->green[pixelnr + i*4] =
138 (*result)->blue[pixelnr + i*4] =
139 (temp & 0x03) * (1.0/3.0);
140 (*result)->red[pixelnr + i*4 + 1] =
141 (*result)->green[pixelnr + i*4 +1] =
142 (*result)->blue[pixelnr + i*4 + 1] =
143 ((temp >> 2) & 0x03) * (1.0/3.0);
144 (*result)->red[pixelnr + i*4 + 2] =
145 (*result)->green[pixelnr + i*4 +2] =
146 (*result)->blue[pixelnr + i*4 + 2] =
147 ((temp >> 4) & 0x03) * (1.0/3.0);
148 (*result)->red[pixelnr + i*4 + 3] =
149 (*result)->green[pixelnr + i*4 +3] =
150 (*result)->blue[pixelnr + i*4 + 3] =
151 ((temp >> 6) & 0x03) * (1.0/3.0);
152 }
153 }
154 pixelnr += marker * 4;
155 datanr += 1;
156 } 309 }
157 } 310
158 len += datanr; 311 len += datanr;
159 312
160 if (length) 313 if (length)
161 *length = len; 314 *length = len;
162 315
163 psiconv_progress(lev+1,off+len-1,"End of paint data section " 316 psiconv_progress(lev+1,off+len-1,"End of paint data section "
164 "(total length: %08x", len); 317 "(total length: %08x)", len);
165 318
166 return res; 319 return res;
167} 320}
168 321
322int psiconv_parse_sketch_section(const psiconv_buffer buf, int lev,
323 psiconv_u32 off, int *length, int is_object,
324 psiconv_sketch_section *result)
325{
326 int res=0;
327 int len=0;
328 psiconv_u32 temp;
329 int leng;
330 int i;
169 331
332 psiconv_progress(lev+1,off,"Going to read the sketch section");
333 *result = malloc(sizeof(**result));
334
335 if (!is_object) {
336 psiconv_progress(lev+2,off+len,"Going to read the form hor. size");
337 (*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len);
338 psiconv_debug(lev+2,off+len,"Form hor. size: %04x",
339 (*result)->form_xsize);
340 len += 0x02;
341 psiconv_progress(lev+2,off+len,"Going to read the form ver. size");
342 (*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len);
343 psiconv_debug(lev+2,off+len,"Form ver. size: %04x",
344 (*result)->form_ysize);
345 len += 0x02;
346 psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset");
347 (*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len);
348 psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x",
349 (*result)->picture_x_offset);
350 len += 0x02;
351 psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset");
352 (*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len);
353 psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x",
354 (*result)->picture_y_offset);
355 len += 0x02;
356 psiconv_progress(lev+2,off+len,"Going to skip 5 words of zeros");
357 for (i = 0; i < 5; i++) {
358 temp = psiconv_read_u16(buf,lev+2,off+len);
359 if (temp != 0) {
360 psiconv_warn(lev+2,off+len,
361 "Unexpected value in sketch section preamble");
362 psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i,
363 temp,0);
364 res = -1;
365 }
366 off += 0x02;
367 }
368 } else {
369 psiconv_progress(lev+2,off+len,"Going to read the displayed hor. size");
370 (*result)->picture_xsize = psiconv_read_u16(buf,lev+2,off + len);
371 psiconv_debug(lev+2,off+len,"Displayed hor. size: %04x",
372 (*result)->picture_xsize);
373 len += 0x02;
374 psiconv_progress(lev+2,off+len,"Going to read the displayed ver. size");
375 (*result)->picture_ysize = psiconv_read_u16(buf,lev+2,off + len);
376 psiconv_debug(lev+2,off+len,"Displayed ver. size: %04x",
377 (*result)->picture_ysize);
378 len += 0x02;
379
380 psiconv_progress(lev+2,off+len,"Going to skip 2 words of zeros");
381 for (i = 0; i < 2; i++) {
382 temp = psiconv_read_u16(buf,lev+2,off+len);
383 if (temp != 0) {
384 psiconv_warn(lev+2,off+len,
385 "Unexpected value in sketch section preamble");
386 psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i,
387 temp,0);
388 res = -1;
389 }
390 off += 0x02;
391 }
392 psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset");
393 (*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len);
394 psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x",
395 (*result)->picture_x_offset);
396 len += 0x02;
397 psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset");
398 (*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len);
399 psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x",
400 (*result)->picture_y_offset);
401 len += 0x02;
402 psiconv_progress(lev+2,off+len,"Going to read the form hor. size");
403 (*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len);
404 psiconv_debug(lev+2,off+len,"Form hor. size: %04x",
405 (*result)->form_xsize);
406 len += 0x02;
407 psiconv_progress(lev+2,off+len,"Going to read the form ver. size");
408 (*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len);
409 psiconv_debug(lev+2,off+len,"Form ver. size: %04x",
410 (*result)->form_ysize);
411 len += 0x02;
412 psiconv_progress(lev+2,off+len,"Going to skip 1 zero word");
413 temp = psiconv_read_u16(buf,lev+2,off+len);
414 if (temp != 0) {
415 psiconv_warn(lev+2,off+len,
416 "Unexpected value in sketch section preamble");
417 psiconv_debug(lev+2,off+len,"Read %04x, expected %04x",i, temp,0);
418 res = -1;
419 }
420 off += 0x02;
421 }
422
423 psiconv_progress(lev+2,off+len,"Going to read the picture data");
424 res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,0,
425 &((*result)->picture));
426 off += leng;
427 if (!is_object) {
428 (*result)->picture_xsize = (*result)->picture->xsize;
429 (*result)->picture_ysize = (*result)->picture->ysize;
430 }
431
432 psiconv_progress(lev+2,off+len,"Going to read the hor. magnification");
433 (*result)->magnification_x = psiconv_read_u16(buf,lev+2,off + len) / 1000.0;
434 psiconv_debug(lev+2,off+len,"Form hor. magnification: %f",
435 (*result)->magnification_x);
436 len += 0x02;
437 psiconv_progress(lev+2,off+len,"Going to read the ver. magnification");
438 (*result)->magnification_y = psiconv_read_u16(buf,lev+2,off + len) / 1000.0;
439 psiconv_debug(lev+2,off+len,"Form ver. magnification: %f",
440 (*result)->magnification_y);
441 len += 0x02;
442
443 psiconv_progress(lev+2,off+len,"Going to read the left cut");
444 temp = psiconv_read_u32(buf,lev+2,off + len);
445 (*result)->cut_left = (temp * 6.0) / (*result)->picture_xsize;
446 psiconv_debug(lev+2,off+len,"Left cut: raw %08x, real: %f",
447 temp,(*result)->cut_left);
448 len += 0x04;
449 psiconv_progress(lev+2,off+len,"Going to read the right cut");
450 temp = psiconv_read_u32(buf,lev+2,off + len);
451 (*result)->cut_right = (temp * 6.0) / (*result)->picture_xsize;
452 psiconv_debug(lev+2,off+len,"Right cut: raw %08x, real: %f",
453 temp,(*result)->cut_right);
454 len += 0x04;
455 psiconv_progress(lev+2,off+len,"Going to read the top cut");
456 temp = psiconv_read_u32(buf,lev+2,off + len);
457 (*result)->cut_top = (temp * 6.0) / (*result)->picture_ysize;
458 psiconv_debug(lev+2,off+len,"Top cut: raw %08x, real: %f",
459 temp,(*result)->cut_top);
460 len += 0x04;
461 psiconv_progress(lev+2,off+len,"Going to read the bottom cut");
462 temp = psiconv_read_u32(buf,lev+2,off + len);
463 (*result)->cut_bottom = (temp * 6.0) / (*result)->picture_ysize;
464 psiconv_debug(lev+2,off+len,"Bottom cut: raw %08x, real: %f",
465 temp,(*result)->cut_bottom);
466 len += 0x04;
467
468 if (length)
469 *length = len;
470
471 psiconv_progress(lev,off+len-1,
472 "End of sketch section (total length: %08x)", len);
473
474 return res;
475}
476
477
478int psiconv_parse_clipart_section(const psiconv_buffer buf,int lev,
479 psiconv_u32 off, int *length,
480 psiconv_clipart_section *result)
481{
482 int res=0;
483 int len=0;
484 int leng;
485 psiconv_u32 temp;
486
487 psiconv_progress(lev+1,off+len,"Going to read the clipart section");
488 *result = malloc(sizeof(**result));
489
490 psiconv_progress(lev+2,off+len,"Going to read the section ID");
491 temp = psiconv_read_u32(buf,lev+2,off+len);
492 if (temp != PSICONV_ID_CLIPART_ITEM) {
493 psiconv_warn(lev+2,off+len,
494 "Unexpected value in clipart section preamble");
495 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp,
496 PSICONV_ID_CLIPART_ITEM);
497 res = -1;
498 } else
499 psiconv_debug(lev+2,off+len,"Clipart ID: %08x", temp);
500 off += 4;
501
502 psiconv_progress(lev+2,off+len,"Going to read an unknown long");
503 temp = psiconv_read_u32(buf,lev+2,off+len);
504 if (temp != 0x02) {
505 psiconv_warn(lev+2,off+len,
506 "Unexpected value in clipart section preamble");
507 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp,
508 0x02);
509 res = -1;
510 } else
511 psiconv_debug(lev+2,off+len,"First unknown long: %08x", temp);
512 off += 4;
513
514 psiconv_progress(lev+2,off+len,"Going to read a second unknown long");
515 temp = psiconv_read_u32(buf,lev+2,off+len);
516 if (temp != 0) {
517 psiconv_warn(lev+2,off+len,
518 "Unexpected value in clipart section preamble");
519 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0);
520 res = -1;
521 } else
522 psiconv_debug(lev+2,off+len,"Second unknown long: %08x", temp);
523 off += 4;
524
525 psiconv_progress(lev+2,off+len,"Going to read a third unknown long");
526 temp = psiconv_read_u32(buf,lev+2,off+len);
527 if (temp != 0) {
528 psiconv_warn(lev+2,off+len,
529 "Unexpected value in clipart section preamble");
530 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0);
531 res = -1;
532 } else
533 psiconv_debug(lev+2,off+len,"Third unknown long: %08x", temp);
534 off += 4;
535
536 psiconv_progress(lev+2,off+len,"Going to read a fourth unknown long");
537 temp = psiconv_read_u32(buf,lev+2,off+len);
538 if ((temp != 0x0c) && (temp != 0x08)) {
539 psiconv_warn(lev+2,off+len,
540 "Unexpected value in clipart section preamble");
541 psiconv_debug(lev+2,off+len,"Read %08x, expected %08x or %08x",temp,
542 0x0c, 0x08);
543 res = -1;
544 } else
545 psiconv_debug(lev+2,off+len,"Fourth unknown long: %08x", temp);
546 off += 4;
547
548 psiconv_progress(lev+2,off+len,"Going to read the Paint Data Section");
549 res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,1,
550 &((*result)->picture));
551 len += leng;
552
553 if (length)
554 *length = len;
555
556 psiconv_progress(lev,off+len-1,
557 "End of clipart section (total length: %08x)", len);
558
559 return res;
560}
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