1 | /* |
1 | /* |
2 | parse_image.c - Part of psiconv, a PSION 5 file formats converter |
2 | parse_image.c - Part of psiconv, a PSION 5 file formats converter |
3 | Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
3 | Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl> |
4 | |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
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 |
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 |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
16 | along with this program; if not, write to the Free Software |
16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 | */ |
18 | */ |
19 | |
19 | |
20 | #include "config.h" |
20 | #include "config.h" |
|
|
21 | #include "compat.h" |
|
|
22 | |
21 | #include <stdlib.h> |
23 | #include <stdlib.h> |
22 | |
24 | |
23 | #include "data.h" |
|
|
24 | #include "parse_routines.h" |
25 | #include "parse_routines.h" |
|
|
26 | #include "error.h" |
25 | |
27 | |
26 | int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, |
28 | #ifdef DMALLOC |
|
|
29 | #include <dmalloc.h> |
|
|
30 | #endif |
|
|
31 | |
|
|
32 | |
|
|
33 | int psiconv_parse_jumptable_section(const psiconv_config config, |
|
|
34 | const psiconv_buffer buf,int lev, |
27 | psiconv_u32 off, int *length, |
35 | psiconv_u32 off, int *length, |
|
|
36 | psiconv_jumptable_section *result) |
|
|
37 | { |
|
|
38 | int res = 0; |
|
|
39 | int len = 0; |
|
|
40 | psiconv_u32 listlen,temp; |
|
|
41 | int i; |
|
|
42 | |
|
|
43 | psiconv_progress(config,lev+1,off+len,"Going to read the jumptable section"); |
|
|
44 | if (!((*result) = psiconv_list_new(sizeof(psiconv_u32)))) |
|
|
45 | goto ERROR1; |
|
|
46 | |
|
|
47 | psiconv_progress(config,lev+2,off+len,"Going to read the list length"); |
|
|
48 | listlen = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
49 | if (res) |
|
|
50 | goto ERROR2; |
|
|
51 | psiconv_debug(config,lev+2,off+len,"List length: %08x",listlen); |
|
|
52 | len += 4; |
|
|
53 | |
|
|
54 | psiconv_progress(config,lev+2,off+len,"Going to read the list"); |
|
|
55 | for (i = 0; i < listlen; i++) { |
|
|
56 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
57 | if (res) |
|
|
58 | goto ERROR2; |
|
|
59 | if ((res = psiconv_list_add(*result,&temp))) |
|
|
60 | goto ERROR2; |
|
|
61 | psiconv_debug(config,lev+3,off+len,"Offset: %08x",temp); |
|
|
62 | len += 4; |
|
|
63 | } |
|
|
64 | |
|
|
65 | if (length) |
|
|
66 | *length = len; |
|
|
67 | |
|
|
68 | psiconv_progress(config,lev+1,off+len-1,"End of jumptable section " |
|
|
69 | "(total length: %08x)", len); |
|
|
70 | |
|
|
71 | return 0; |
|
|
72 | |
|
|
73 | ERROR2: |
|
|
74 | psiconv_list_free(*result); |
|
|
75 | ERROR1: |
|
|
76 | psiconv_warn(config,lev+1,off,"Reading of Jumptable Section failed"); |
|
|
77 | if (length) |
|
|
78 | *length = 0; |
|
|
79 | if (!res) |
|
|
80 | return -PSICONV_E_NOMEM; |
|
|
81 | else |
|
|
82 | return res; |
|
|
83 | } |
|
|
84 | |
|
|
85 | static int decode_byte(const psiconv_config config, int lev, psiconv_u32 off, |
|
|
86 | psiconv_paint_data_section data, psiconv_u32 *pixelnr, |
|
|
87 | psiconv_u8 byte, int bits_per_pixel, int linelen, |
|
|
88 | int *linepos,int picsize) |
|
|
89 | { |
|
|
90 | int mask = (bits_per_pixel << 1) -1; |
|
|
91 | int i; |
|
|
92 | if (*linepos < (data->xsize + (8/bits_per_pixel) - 1) / (8/bits_per_pixel)) |
|
|
93 | for (i = 0; i < 8/bits_per_pixel; i ++) { |
|
|
94 | if ((i != 0) && ((*pixelnr % (data->xsize)) == 0)) { |
|
|
95 | psiconv_debug(config,lev+1,off,"Skipping padding: %02x",byte); |
|
|
96 | i = 8; |
|
|
97 | } else if (*pixelnr >= picsize) { |
|
|
98 | psiconv_warn(config,lev+1,off,"Corrupted picture data!"); |
|
|
99 | psiconv_debug(config,lev+1,off,"Trying to write a pixel too far"); |
|
|
100 | return -1; |
|
|
101 | } else { |
|
|
102 | data->red[*pixelnr] = data->green[*pixelnr] = data->blue[*pixelnr] = |
|
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103 | ((float) (byte & mask)) / ((1 << bits_per_pixel) -1); |
|
|
104 | psiconv_debug(config,lev+1,off,"Pixel %04x: (%04x,%04x) value %02x, color %f", |
|
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105 | *pixelnr,*pixelnr % data->xsize, |
|
|
106 | *pixelnr / data->xsize, byte&mask, data->red[*pixelnr]); |
|
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107 | byte = byte >> bits_per_pixel; |
|
|
108 | (*pixelnr) ++; |
|
|
109 | } |
|
|
110 | } |
|
|
111 | else |
|
|
112 | psiconv_debug(config,lev+1,off,"Skipping padding byte"); |
|
|
113 | (*linepos) ++; |
|
|
114 | if (*linepos == linelen) |
|
|
115 | *linepos = 0; |
|
|
116 | return 0; |
|
|
117 | } |
|
|
118 | |
|
|
119 | |
|
|
120 | int psiconv_parse_paint_data_section(const psiconv_config config, |
|
|
121 | const psiconv_buffer buf,int lev, |
|
|
122 | psiconv_u32 off, int *length,int isclipart, |
28 | psiconv_paint_data_section *result) |
123 | psiconv_paint_data_section *result) |
29 | { |
124 | { |
30 | int res = 0; |
125 | int res = 0; |
31 | int len = 0; |
126 | int len = 0; |
32 | psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr; |
127 | psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
33 | psiconv_u8 marker; |
128 | psiconv_u8 marker; |
34 | int i; |
129 | int i,leng; |
|
|
130 | psiconv_u32 bits_per_pixel,compression; |
|
|
131 | int linepos = 0; |
35 | |
132 | |
36 | psiconv_progress(lev+1,off,"Going to read a paint data section"); |
133 | psiconv_progress(config,lev+1,off,"Going to read a paint data section"); |
37 | (*result) = malloc(sizeof(**result)); |
134 | if (!((*result) = malloc(sizeof(**result)))) |
|
|
135 | goto ERROR1; |
38 | |
136 | |
39 | psiconv_progress(lev+2,off+len,"Going to read section size"); |
137 | psiconv_progress(config,lev+2,off+len,"Going to read section size"); |
40 | size = psiconv_read_u32(buf,lev+2,off+len); |
138 | size = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
139 | if (res) |
|
|
140 | goto ERROR2; |
41 | psiconv_debug(lev+2,off+len,"Section size: %08x",size); |
141 | psiconv_debug(config,lev+2,off+len,"Section size: %08x",size); |
42 | len += 4; |
142 | len += 4; |
43 | |
143 | |
44 | psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); |
144 | psiconv_progress(config,lev+2,off+len,"Going to read pixel data offset"); |
45 | offset = psiconv_read_u32(buf,lev+2,off+len); |
145 | offset = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
146 | if (res) |
|
|
147 | goto ERROR2; |
46 | if (size != 0x28) { |
148 | if (offset != 0x28) { |
47 | psiconv_warn(lev+2,off+len, |
149 | psiconv_warn(config,lev+2,off+len, |
48 | "Paint data section data offset has unexpected value"); |
150 | "Paint data section data offset has unexpected value"); |
49 | psiconv_debug(lev+2,off+len, |
151 | psiconv_debug(config,lev+2,off+len, |
50 | "Data offset: read %08x, expected %08x",offset,0x28); |
152 | "Data offset: read %08x, expected %08x",offset,0x28); |
|
|
153 | res = -1; |
51 | } |
154 | } |
52 | len += 4; |
155 | len += 4; |
53 | |
156 | |
54 | psiconv_progress(lev+2,off+len,"Going to read picture X size"); |
157 | psiconv_progress(config,lev+2,off+len,"Going to read picture X size"); |
55 | (*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); |
158 | (*result)->xsize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
159 | if (res) |
|
|
160 | goto ERROR2; |
56 | psiconv_debug(lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
161 | psiconv_debug(config,lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
57 | len += 4; |
162 | len += 4; |
58 | |
163 | |
59 | psiconv_progress(lev+2,off+len,"Going to read picture Y size"); |
164 | psiconv_progress(config,lev+2,off+len,"Going to read picture Y size"); |
60 | (*result)->ysize = psiconv_read_u32(buf,lev+2,off+len); |
165 | (*result)->ysize = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
166 | if (res) |
|
|
167 | goto ERROR2; |
61 | psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
168 | psiconv_debug(config,lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
62 | len += 4; |
169 | len += 4; |
63 | |
170 | |
64 | picsize = (*result)->ysize * (*result)->xsize; |
171 | picsize = (*result)->ysize * (*result)->xsize; |
65 | |
172 | |
66 | psiconv_progress(lev+2,off+len,"Going to read 6 unused longs"); |
173 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture x size"); |
|
|
174 | (*result)->pic_xsize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
|
|
175 | if (res) |
|
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176 | goto ERROR2; |
|
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177 | psiconv_debug(config,lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize); |
|
|
178 | len += leng; |
|
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179 | |
|
|
180 | psiconv_progress(config,lev+2,off+len,"Going to read the real picture y size"); |
|
|
181 | (*result)->pic_ysize = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res); |
|
|
182 | if (res) |
|
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183 | goto ERROR2; |
|
|
184 | psiconv_debug(config,lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize); |
|
|
185 | len += leng; |
|
|
186 | |
|
|
187 | psiconv_progress(config,lev+2,off+len,"Going to read the number of bits per pixel"); |
|
|
188 | bits_per_pixel=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
189 | if (res) |
|
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190 | goto ERROR2; |
|
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191 | if (bits_per_pixel > 8) { |
|
|
192 | psiconv_warn(config,lev+2,off+len,"Picture has too many colors"); |
|
|
193 | psiconv_debug(config,lev+2,off+len,"Read %d colorbits",bits_per_pixel); |
|
|
194 | res = -PSICONV_E_PARSE; |
|
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195 | goto ERROR2; |
|
|
196 | } |
|
|
197 | psiconv_debug(config,lev+2,off+len,"Bits per pixel: %d",bits_per_pixel); |
|
|
198 | len += 4; |
|
|
199 | |
67 | for (i = 0 ; i < 6; i++) { |
200 | for (i = 0 ; i < 2; i++) { |
68 | temp = psiconv_read_u32(buf,lev+2,off+len); |
201 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
202 | if (res) |
|
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203 | goto ERROR2; |
69 | if (temp != 0x00) { |
204 | if (temp != 00) { |
70 | psiconv_warn(lev+2,off+len, |
205 | psiconv_warn(config,lev+2,off+len, |
71 | "Paint data section prologue has unknown values"); |
206 | "Paint data section prologue has unknown values (ignored)"); |
72 | psiconv_debug(lev+2,off+len, |
207 | psiconv_debug(config,lev+2,off+len, |
73 | "offset %02x: read %08x, expected %08x",i,temp,0x00); |
208 | "offset %02x: read %08x, expected %08x",i,temp, 0x00); |
74 | } |
209 | } |
75 | len += 4; |
210 | len += 4; |
76 | } |
211 | } |
|
|
212 | |
|
|
213 | psiconv_progress(config,lev+2,off+len, |
|
|
214 | "Going to read whether RLE compression is used"); |
|
|
215 | compression=psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
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216 | if (res) |
|
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217 | goto ERROR2; |
|
|
218 | if (compression > 1) { |
|
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219 | psiconv_warn(config,lev+2,off+len,"Paint data section has unknown " |
|
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220 | "compression type, assuming RLE"); |
|
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221 | psiconv_debug(config,lev+2,off+len,"Read compression type %d",compression); |
|
|
222 | compression = 1; |
|
|
223 | } |
|
|
224 | psiconv_debug(config,lev+2,off+len,"Compression: %s",compression?"RLE8":"none"); |
|
|
225 | len += 4; |
77 | |
226 | |
|
|
227 | if (isclipart) { |
|
|
228 | psiconv_progress(config,lev+2,off+len,"Going to read an unknown long"); |
|
|
229 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
230 | if (res) |
|
|
231 | goto ERROR2; |
|
|
232 | if (temp != 0xffffffff) { |
|
|
233 | psiconv_warn(config,lev+2,off+len, |
|
|
234 | "Paint data section prologue has unknown values (ignoring)"); |
|
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235 | psiconv_debug(config,lev+2,off+len, |
|
|
236 | "offset %02x: read %08x, expected %08x",i,temp, 0xffffffff); |
|
|
237 | } |
|
|
238 | len += 4; |
|
|
239 | psiconv_progress(config,lev+2,off+len,"Going to read a second unknown long"); |
|
|
240 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
241 | if (res) |
|
|
242 | goto ERROR2; |
|
|
243 | if (temp != 0x44) { |
|
|
244 | psiconv_warn(config,lev+2,off+len, |
|
|
245 | "Paint data section prologue has unknown values (ignoring)"); |
|
|
246 | psiconv_debug(config,lev+2,off+len, |
|
|
247 | "offset %02x: read %08x, expected %08x",i,temp, 0x44); |
|
|
248 | } |
|
|
249 | len += 4; |
|
|
250 | } |
|
|
251 | |
78 | (*result)->red = malloc(sizeof(float) * picsize); |
252 | if (!((*result)->red = malloc(sizeof(float) * picsize))) |
|
|
253 | goto ERROR2; |
79 | (*result)->green = malloc(sizeof(float) * picsize); |
254 | if (!((*result)->green = malloc(sizeof(float) * picsize))) |
|
|
255 | goto ERROR3; |
80 | (*result)->blue = malloc(sizeof(float) * picsize); |
256 | if (!((*result)->blue = malloc(sizeof(float) * picsize))) |
|
|
257 | goto ERROR4; |
81 | len = offset; |
258 | len = offset; |
82 | datasize = size - len; |
259 | datasize = size - len; |
|
|
260 | if (isclipart) |
|
|
261 | len += 8; |
83 | |
262 | |
84 | psiconv_progress(lev+2,off+len,"Going to read the pixel data"); |
263 | psiconv_progress(config,lev+2,off+len,"Going to read the pixel data"); |
85 | pixelnr = 0; |
264 | pixelnr = 0; |
86 | datanr = 0; |
265 | datanr = 0; |
87 | while ((datanr < datasize) && (pixelnr < picsize)) { |
266 | if (!compression) { |
|
|
267 | linelen = datasize / (*result)->ysize; |
|
|
268 | psiconv_debug(config,lev+3,off+len,"Line length: %04x bytes",linelen); |
|
|
269 | while((datanr < datasize)) { |
88 | marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
270 | temp = psiconv_read_u8(config,buf,lev+2,off+len+datanr,&res); |
89 | psiconv_debug(lev+3,off+len+datanr, |
271 | if (res) |
90 | "Pixelnr %08x, Datanr %08x: Read marker %02x", |
272 | goto ERROR5; |
91 | pixelnr,datanr,marker); |
273 | if (decode_byte(config,lev+3,off+len+datanr,*result,&pixelnr,temp,bits_per_pixel, |
|
|
274 | linelen,&linepos,picsize)) { |
|
|
275 | res = -PSICONV_E_PARSE; |
|
|
276 | break; |
|
|
277 | } |
92 | datanr ++; |
278 | datanr++; |
|
|
279 | } |
|
|
280 | } else { |
|
|
281 | psiconv_progress(config,lev+2,off+len,"First pass: determining line length"); |
|
|
282 | datanr = 0; |
|
|
283 | i = 0; |
|
|
284 | while (datanr < datasize) { |
|
|
285 | marker = psiconv_read_u8(config,buf,lev+3,off+len+datanr,&res); |
|
|
286 | if (res) |
|
|
287 | goto ERROR5; |
93 | if (marker >= 0x80) { |
288 | if (marker >= 0x80) { |
94 | /* 0x100 - marker bytes of data follow */ |
289 | datanr += 0x100 - marker + 1; |
95 | if ((0x100 - marker + datanr > datasize) || |
290 | i += 0x100 - marker; |
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," |
|
|
100 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
|
|
101 | datanr,marker); |
|
|
102 | } else { |
291 | } else { |
103 | for (i = 0; i < 0x100-marker; i++) { |
292 | datanr += 2; |
104 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr+i); |
293 | i += marker + 1; |
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 | } |
294 | } |
123 | pixelnr += (0x100 - marker) * 4; |
295 | } |
124 | datanr += (0x100 - marker); |
296 | linelen = i / (*result)->ysize; |
125 | } else { /* marker < 0x080 */ |
297 | datanr=0; |
|
|
298 | psiconv_debug(config,lev+2,off+len,"Linelen: %04x bytes",linelen); |
|
|
299 | while((datanr < datasize)) { |
|
|
300 | marker = psiconv_read_u8(config,buf,lev+3,off+len+datanr,&res); |
|
|
301 | if (res) |
|
|
302 | goto ERROR5; |
|
|
303 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
304 | "Pixelnr %08x, Datanr %08x: Read marker %02x", |
|
|
305 | pixelnr,datanr,marker); |
|
|
306 | datanr ++; |
|
|
307 | if (marker >= 0x80) { |
|
|
308 | /* 0x100 - marker bytes of data follow */ |
|
|
309 | for (i = 0; i < 0x100-marker; i++,datanr++) { |
126 | if ((datanr + 1 > datasize) || |
310 | if (datanr >= datasize) { |
127 | (marker * 4 + pixelnr > picsize)) { |
|
|
128 | psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
311 | psiconv_warn(config,lev+3,off+len+datanr,"Corrupted picture data"); |
129 | psiconv_debug(lev+3,off+len+datanr, |
312 | psiconv_debug(config,lev+3,off+len+datanr, |
130 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
313 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
131 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
314 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
132 | datanr,marker); |
315 | datanr,marker); |
|
|
316 | res = -PSICONV_E_PARSE; |
|
|
317 | break; |
|
|
318 | } |
|
|
319 | temp = psiconv_read_u8(config,buf,lev+2,off+len+datanr,&res); |
|
|
320 | if (res) |
|
|
321 | goto ERROR5; |
|
|
322 | if (decode_byte(config,lev+2,off+len+datanr,*result,&pixelnr,temp, |
|
|
323 | bits_per_pixel,linelen,&linepos,picsize)) { |
|
|
324 | res = -PSICONV_E_PARSE; |
|
|
325 | break; |
|
|
326 | } |
|
|
327 | } |
133 | } else { |
328 | } else { |
|
|
329 | if (datanr >= datasize) { |
|
|
330 | psiconv_warn(config,lev+3,off+len+datanr,"Corrupted picture data"); |
|
|
331 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
332 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
|
|
333 | "Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
|
|
334 | datanr,marker); |
|
|
335 | res = -PSICONV_E_PARSE; |
|
|
336 | } else { |
134 | temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
337 | temp = psiconv_read_u8(config,buf,lev+3,off+len+datanr,&res); |
|
|
338 | if (res) |
|
|
339 | goto ERROR5; |
135 | for (i = 0; i < marker; i++) { |
340 | for (i = 0; i <= marker; i++) { |
136 | (*result)->red[pixelnr + i*4] = |
341 | if (decode_byte(config,lev+2,off+len+datanr,*result,&pixelnr,temp, |
137 | (*result)->green[pixelnr + i*4] = |
342 | bits_per_pixel,linelen,&linepos,picsize)) { |
138 | (*result)->blue[pixelnr + i*4] = |
343 | res = -PSICONV_E_PARSE; |
139 | (temp & 0x03) * (1.0/3.0); |
344 | break; |
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 | } |
345 | } |
|
|
346 | } |
|
|
347 | datanr ++; |
|
|
348 | } |
153 | } |
349 | } |
154 | pixelnr += marker * 4; |
|
|
155 | datanr += 1; |
|
|
156 | } |
350 | } |
157 | } |
351 | } |
|
|
352 | |
|
|
353 | if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) / |
|
|
354 | (8/bits_per_pixel)) |
|
|
355 | datanr += (linelen - linepos); |
|
|
356 | |
|
|
357 | if (res || (datanr != datasize) || (pixelnr != picsize)) { |
|
|
358 | psiconv_warn(config,lev+2,off+len,"Corrupted picture data!"); |
|
|
359 | psiconv_debug(config,lev+3,off+len+datanr, |
|
|
360 | "Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
|
|
361 | "Datanr: %08x",picsize,datasize,pixelnr,datanr); |
|
|
362 | goto ERROR5; |
|
|
363 | } |
|
|
364 | |
158 | len += datanr; |
365 | len += datanr; |
159 | |
366 | |
160 | if (length) |
367 | if (length) |
161 | *length = len; |
368 | *length = len; |
162 | |
369 | |
163 | psiconv_progress(lev+1,off+len-1,"End of paint data section " |
370 | psiconv_progress(config,lev+1,off+len-1,"End of paint data section " |
164 | "(total length: %08x", len); |
371 | "(total length: %08x)", len); |
165 | |
372 | |
166 | return res; |
373 | return res; |
|
|
374 | |
|
|
375 | ERROR5: |
|
|
376 | free((*result)->blue); |
|
|
377 | ERROR4: |
|
|
378 | free((*result)->green); |
|
|
379 | ERROR3: |
|
|
380 | free((*result)->red); |
|
|
381 | ERROR2: |
|
|
382 | free (*result); |
|
|
383 | ERROR1: |
|
|
384 | psiconv_warn(config,lev+1,off,"Reading of Paint Data Section failed"); |
|
|
385 | if (length) |
|
|
386 | *length = 0; |
|
|
387 | if (!res) |
|
|
388 | return -PSICONV_E_NOMEM; |
|
|
389 | else |
|
|
390 | return res; |
167 | } |
391 | } |
168 | |
392 | |
|
|
393 | int psiconv_parse_sketch_section(const psiconv_config config, |
|
|
394 | const psiconv_buffer buf, int lev, |
|
|
395 | psiconv_u32 off, int *length, |
|
|
396 | psiconv_sketch_section *result) |
|
|
397 | { |
|
|
398 | int res=0; |
|
|
399 | int len=0; |
|
|
400 | psiconv_u32 temp; |
|
|
401 | int leng; |
169 | |
402 | |
|
|
403 | psiconv_progress(config,lev+1,off,"Going to read the sketch section"); |
|
|
404 | if (!(*result = malloc(sizeof(**result)))) |
|
|
405 | goto ERROR1; |
|
|
406 | |
|
|
407 | psiconv_progress(config,lev+2,off+len,"Going to read the displayed hor. size"); |
|
|
408 | (*result)->displayed_xsize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
409 | if (res) |
|
|
410 | goto ERROR2; |
|
|
411 | psiconv_debug(config,lev+2,off+len,"Displayed hor. size: %04x", |
|
|
412 | (*result)->displayed_xsize); |
|
|
413 | len += 0x02; |
|
|
414 | psiconv_progress(config,lev+2,off+len,"Going to read displayed ver. size"); |
|
|
415 | (*result)->displayed_ysize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
416 | if (res) |
|
|
417 | goto ERROR2; |
|
|
418 | psiconv_debug(config,lev+2,off+len,"Displayed ver. size: %04x", |
|
|
419 | (*result)->displayed_ysize); |
|
|
420 | len += 0x02; |
|
|
421 | |
|
|
422 | psiconv_progress(config,lev+2,off+len,"Going to read the data hor. offset"); |
|
|
423 | (*result)->picture_data_x_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
424 | &res); |
|
|
425 | if (res) |
|
|
426 | goto ERROR2; |
|
|
427 | psiconv_debug(config,lev+2,off+len,"Data hor. offset: %04x", |
|
|
428 | (*result)->picture_data_x_offset); |
|
|
429 | len += 0x02; |
|
|
430 | psiconv_progress(config,lev+2,off+len,"Going to read the data ver. offset"); |
|
|
431 | (*result)->picture_data_y_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
432 | &res); |
|
|
433 | if (res) |
|
|
434 | goto ERROR2; |
|
|
435 | psiconv_debug(config,lev+2,off+len,"Data ver. offset: %04x", |
|
|
436 | (*result)->picture_data_y_offset); |
|
|
437 | len += 0x02; |
|
|
438 | |
|
|
439 | psiconv_progress(config,lev+2,off+len,"Going to read the displayed hor. offset"); |
|
|
440 | (*result)->displayed_size_x_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
441 | &res); |
|
|
442 | if (res) |
|
|
443 | goto ERROR2; |
|
|
444 | psiconv_debug(config,lev+2,off+len,"Displayed hor. offset: %04x", |
|
|
445 | (*result)->displayed_size_x_offset); |
|
|
446 | len += 0x02; |
|
|
447 | psiconv_progress(config,lev+2,off+len,"Going to read the displayed ver. offset"); |
|
|
448 | (*result)->displayed_size_y_offset = psiconv_read_u16(config,buf,lev+2,off + len, |
|
|
449 | &res); |
|
|
450 | if (res) |
|
|
451 | goto ERROR2; |
|
|
452 | psiconv_debug(config,lev+2,off+len,"Displayed ver. offset: %04x", |
|
|
453 | (*result)->displayed_size_y_offset); |
|
|
454 | len += 0x02; |
|
|
455 | |
|
|
456 | psiconv_progress(config,lev+2,off+len,"Going to read the form hor. size"); |
|
|
457 | (*result)->form_xsize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
458 | if (res) |
|
|
459 | goto ERROR2; |
|
|
460 | psiconv_debug(config,lev+2,off+len,"Form hor. size: %04x", |
|
|
461 | (*result)->form_xsize); |
|
|
462 | len += 0x02; |
|
|
463 | psiconv_progress(config,lev+2,off+len,"Going to read form ver. size"); |
|
|
464 | (*result)->form_ysize = psiconv_read_u16(config,buf,lev+2,off + len,&res); |
|
|
465 | if (res) |
|
|
466 | goto ERROR2; |
|
|
467 | psiconv_debug(config,lev+2,off+len,"Form ver. size: %04x", |
|
|
468 | (*result)->form_ysize); |
|
|
469 | len += 0x02; |
|
|
470 | |
|
|
471 | psiconv_progress(config,lev+2,off+len,"Going to skip 1 word of zeros"); |
|
|
472 | temp = psiconv_read_u16(config,buf,lev+2,off+len,&res); |
|
|
473 | if (res) |
|
|
474 | goto ERROR2; |
|
|
475 | if (temp != 0) { |
|
|
476 | psiconv_warn(config,lev+2,off+len, |
|
|
477 | "Unexpected value in sketch section preamble (ignored)"); |
|
|
478 | psiconv_debug(config,lev+2,off+len,"Read %04x, expected %04x", |
|
|
479 | temp,0); |
|
|
480 | } |
|
|
481 | off += 0x02; |
|
|
482 | |
|
|
483 | psiconv_progress(config,lev+2,off+len,"Going to read the picture data"); |
|
|
484 | if ((res = psiconv_parse_paint_data_section(config,buf,lev+2,off+len,&leng,0, |
|
|
485 | &((*result)->picture)))) |
|
|
486 | goto ERROR2; |
|
|
487 | off += leng; |
|
|
488 | |
|
|
489 | psiconv_progress(config,lev+2,off+len,"Going to read the hor. magnification"); |
|
|
490 | (*result)->magnification_x = psiconv_read_u16(config,buf,lev+2,off+len,&res)/1000.0; |
|
|
491 | if (res) |
|
|
492 | goto ERROR3; |
|
|
493 | psiconv_debug(config,lev+2,off+len,"Form hor. magnification: %f", |
|
|
494 | (*result)->magnification_x); |
|
|
495 | len += 0x02; |
|
|
496 | psiconv_progress(config,lev+2,off+len,"Going to read the ver. magnification"); |
|
|
497 | (*result)->magnification_y = psiconv_read_u16(config,buf,lev+2,off+len,&res)/1000.0; |
|
|
498 | if (res) |
|
|
499 | goto ERROR3; |
|
|
500 | psiconv_debug(config,lev+2,off+len,"Form ver. magnification: %f", |
|
|
501 | (*result)->magnification_y); |
|
|
502 | len += 0x02; |
|
|
503 | |
|
|
504 | psiconv_progress(config,lev+2,off+len,"Going to read the left cut"); |
|
|
505 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
506 | if (res) |
|
|
507 | goto ERROR3; |
|
|
508 | (*result)->cut_left = (temp * 6.0) / (*result)->displayed_xsize; |
|
|
509 | psiconv_debug(config,lev+2,off+len,"Left cut: raw %08x, real: %f", |
|
|
510 | temp,(*result)->cut_left); |
|
|
511 | len += 0x04; |
|
|
512 | psiconv_progress(config,lev+2,off+len,"Going to read the right cut"); |
|
|
513 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
514 | if (res) |
|
|
515 | goto ERROR3; |
|
|
516 | (*result)->cut_right = (temp * 6.0) / (*result)->displayed_xsize; |
|
|
517 | psiconv_debug(config,lev+2,off+len,"Right cut: raw %08x, real: %f", |
|
|
518 | temp,(*result)->cut_right); |
|
|
519 | len += 0x04; |
|
|
520 | psiconv_progress(config,lev+2,off+len,"Going to read the top cut"); |
|
|
521 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
522 | if (res) |
|
|
523 | goto ERROR3; |
|
|
524 | (*result)->cut_top = (temp * 6.0) / (*result)->displayed_ysize; |
|
|
525 | psiconv_debug(config,lev+2,off+len,"Top cut: raw %08x, real: %f", |
|
|
526 | temp,(*result)->cut_top); |
|
|
527 | len += 0x04; |
|
|
528 | psiconv_progress(config,lev+2,off+len,"Going to read the bottom cut"); |
|
|
529 | temp = psiconv_read_u32(config,buf,lev+2,off + len,&res); |
|
|
530 | if (res) |
|
|
531 | goto ERROR3; |
|
|
532 | (*result)->cut_bottom = (temp * 6.0) / (*result)->displayed_ysize; |
|
|
533 | psiconv_debug(config,lev+2,off+len,"Bottom cut: raw %08x, real: %f", |
|
|
534 | temp,(*result)->cut_bottom); |
|
|
535 | len += 0x04; |
|
|
536 | |
|
|
537 | if (length) |
|
|
538 | *length = len; |
|
|
539 | |
|
|
540 | psiconv_progress(config,lev,off+len-1, |
|
|
541 | "End of sketch section (total length: %08x)", len); |
|
|
542 | |
|
|
543 | return res; |
|
|
544 | ERROR3: |
|
|
545 | psiconv_free_paint_data_section((*result)->picture); |
|
|
546 | ERROR2: |
|
|
547 | free (*result); |
|
|
548 | ERROR1: |
|
|
549 | psiconv_warn(config,lev+1,off,"Reading of Sketch Section failed"); |
|
|
550 | if (length) |
|
|
551 | *length = 0; |
|
|
552 | if (!res) |
|
|
553 | return -PSICONV_E_NOMEM; |
|
|
554 | else |
|
|
555 | return res; |
|
|
556 | } |
|
|
557 | |
|
|
558 | |
|
|
559 | int psiconv_parse_clipart_section(const psiconv_config config, |
|
|
560 | const psiconv_buffer buf,int lev, |
|
|
561 | psiconv_u32 off, int *length, |
|
|
562 | psiconv_clipart_section *result) |
|
|
563 | { |
|
|
564 | int res=0; |
|
|
565 | int len=0; |
|
|
566 | int leng; |
|
|
567 | psiconv_u32 temp; |
|
|
568 | |
|
|
569 | psiconv_progress(config,lev+1,off+len,"Going to read the clipart section"); |
|
|
570 | if (!(*result = malloc(sizeof(**result)))) |
|
|
571 | goto ERROR1; |
|
|
572 | |
|
|
573 | psiconv_progress(config,lev+2,off+len,"Going to read the section ID"); |
|
|
574 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
575 | if (res) |
|
|
576 | goto ERROR2; |
|
|
577 | if (temp != PSICONV_ID_CLIPART_ITEM) { |
|
|
578 | psiconv_warn(config,lev+2,off+len, |
|
|
579 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
580 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, |
|
|
581 | PSICONV_ID_CLIPART_ITEM); |
|
|
582 | } else |
|
|
583 | psiconv_debug(config,lev+2,off+len,"Clipart ID: %08x", temp); |
|
|
584 | off += 4; |
|
|
585 | |
|
|
586 | psiconv_progress(config,lev+2,off+len,"Going to read an unknown long"); |
|
|
587 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
588 | if (res) |
|
|
589 | goto ERROR2; |
|
|
590 | if (temp != 0x02) { |
|
|
591 | psiconv_warn(config,lev+2,off+len, |
|
|
592 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
593 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, |
|
|
594 | 0x02); |
|
|
595 | } else |
|
|
596 | psiconv_debug(config,lev+2,off+len,"First unknown long: %08x", temp); |
|
|
597 | off += 4; |
|
|
598 | |
|
|
599 | psiconv_progress(config,lev+2,off+len,"Going to read a second unknown long"); |
|
|
600 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
601 | if (res) |
|
|
602 | goto ERROR2; |
|
|
603 | if (temp != 0) { |
|
|
604 | psiconv_warn(config,lev+2,off+len, |
|
|
605 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
606 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
|
|
607 | } else |
|
|
608 | psiconv_debug(config,lev+2,off+len,"Second unknown long: %08x", temp); |
|
|
609 | off += 4; |
|
|
610 | |
|
|
611 | psiconv_progress(config,lev+2,off+len,"Going to read a third unknown long"); |
|
|
612 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
613 | if (res) |
|
|
614 | goto ERROR2; |
|
|
615 | if (temp != 0) { |
|
|
616 | psiconv_warn(config,lev+2,off+len, |
|
|
617 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
618 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
|
|
619 | } else |
|
|
620 | psiconv_debug(config,lev+2,off+len,"Third unknown long: %08x", temp); |
|
|
621 | off += 4; |
|
|
622 | |
|
|
623 | psiconv_progress(config,lev+2,off+len,"Going to read a fourth unknown long"); |
|
|
624 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
|
|
625 | if (res) |
|
|
626 | goto ERROR2; |
|
|
627 | if ((temp != 0x0c) && (temp != 0x08)) { |
|
|
628 | psiconv_warn(config,lev+2,off+len, |
|
|
629 | "Unexpected value in clipart section preamble (ignored)"); |
|
|
630 | psiconv_debug(config,lev+2,off+len,"Read %08x, expected %08x or %08x",temp, |
|
|
631 | 0x0c, 0x08); |
|
|
632 | } else |
|
|
633 | psiconv_debug(config,lev+2,off+len,"Fourth unknown long: %08x", temp); |
|
|
634 | off += 4; |
|
|
635 | |
|
|
636 | psiconv_progress(config,lev+2,off+len,"Going to read the Paint Data Section"); |
|
|
637 | if ((res = psiconv_parse_paint_data_section(config,buf,lev+2,off+len,&leng,1, |
|
|
638 | &((*result)->picture)))) |
|
|
639 | goto ERROR2; |
|
|
640 | len += leng; |
|
|
641 | |
|
|
642 | if (length) |
|
|
643 | *length = len; |
|
|
644 | |
|
|
645 | psiconv_progress(config,lev,off+len-1, |
|
|
646 | "End of clipart section (total length: %08x)", len); |
|
|
647 | return 0; |
|
|
648 | |
|
|
649 | ERROR2: |
|
|
650 | free (*result); |
|
|
651 | ERROR1: |
|
|
652 | psiconv_warn(config,lev+1,off,"Reading of Font failed"); |
|
|
653 | if (length) |
|
|
654 | *length = 0; |
|
|
655 | if (!res) |
|
|
656 | return -PSICONV_E_NOMEM; |
|
|
657 | else |
|
|
658 | return res; |
|
|
659 | } |