Mercurial > otakunoraifu
annotate system/file.cc @ 74:f8751d74918b default tip
Remove “duplicate” functions as they can be remplaced by a nearly-identical existing function.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Sat, 02 Apr 2011 19:13:54 +0200 |
| parents | 4416cfac86ae |
| children |
| rev | line source |
|---|---|
| 0 | 1 bool init_end=false; |
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2 /* file.cc : KANON の圧縮ファイル・PDT ファイル（画像ファイル）の展開の |
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4416cfac86ae
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3 * ためのメソッド |
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4416cfac86ae
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4 * class ARCFILE : 書庫ファイル全体を扱うクラス |
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4416cfac86ae
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5 * class ARCINFO : 書庫ファイルの中の１つのファイルを扱うクラス |
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6 * class PDTCONV : PDT ファイルの展開を行う。 |
| 0 | 7 * |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * | |
| 12 * Copyright (C) 2000- Kazunori Ueno(JAGARL) <jagarl@creator.club.ne.jp> | |
| 13 * | |
| 14 * This program is free software; you can redistribute it and/or modify | |
| 15 * it under the terms of the GNU General Public License as published by | |
| 16 * the Free Software Foundation; either version 2 of the License, or | |
| 17 * (at your option) any later version. | |
| 18 * | |
| 19 * This program is distributed in the hope that it will be useful, | |
| 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 22 * GNU General Public License for more details. | |
| 23 * | |
| 27 | 24 * You should have received a copy of the GNU General Public License along |
| 25 * with this program; if not, write to the Free Software Foundation, Inc., | |
| 26 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 0 | 27 * |
| 28 */ | |
| 29 | |
| 30 #ifdef HAVE_CONFIG_H | |
| 31 # include "config.h" | |
| 32 #endif | |
| 33 | |
| 34 #ifdef HAVE_MMAP | |
| 35 # ifdef MACOSX | |
| 36 # undef HAVE_MMAP | |
| 37 # endif /* MACOSX */ | |
| 38 #endif /* HAVE_MMAP */ | |
| 39 | |
| 40 #include <ctype.h> | |
| 41 #include <fcntl.h> | |
| 42 #include <unistd.h> | |
| 43 #include <stdlib.h> | |
| 44 #include <stdio.h> | |
| 45 #include <sys/types.h> | |
| 46 #include <sys/stat.h> | |
| 47 #include <vector> | |
| 48 #include <algorithm> | |
| 49 #if HAVE_MMAP | |
| 52 | 50 #include <sys/mman.h> |
| 0 | 51 #endif /* HAVE_MMAP */ |
| 52 #if HAVE_DIRENT_H | |
| 53 # include <dirent.h> | |
| 54 # define NAMLEN(dirent) strlen((dirent)->d_name) | |
| 55 #else | |
| 56 # define dirent direct | |
| 57 # define NAMLEN(dirent) (dirent)->d_namlen | |
| 58 # if HAVE_SYS_NDIR_H | |
| 59 # include <sys/ndir.h> | |
| 60 # endif | |
| 61 # if HAVE_SYS_DIR_H | |
| 62 # include <sys/dir.h> | |
| 63 # endif | |
| 64 # if HAVE_NDIR_H | |
| 65 # include <ndir.h> | |
| 66 # endif | |
| 67 #endif | |
| 68 | |
| 69 #if HAVE_LIBZ | |
| 52 | 70 #include <zlib.h> |
| 0 | 71 #endif |
| 72 #if HAVE_LIBPNG | |
| 52 | 73 #include <png.h> |
| 0 | 74 #endif |
| 75 #if HAVE_LIBJPEG | |
| 76 extern "C" { | |
| 52 | 77 #include <jpeglib.h> |
| 0 | 78 } |
| 79 #endif | |
| 80 | |
| 81 #include "file.h" | |
| 82 #include "file_impl.h" | |
| 83 | |
| 84 using namespace std; | |
| 85 | |
| 86 // #define delete fprintf(stderr,"file.cc: %d.",__LINE__), delete | |
| 87 | |
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88 /* FileSearcher class の default の振る舞い */ |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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89 FileSearcher *FileSearcher::_singleton = NULL; |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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90 FileSearcher::ARCTYPE FileSearcher::default_is_archived[TYPEMAX] = { |
| 0 | 91 ATYPE_DIR, ATYPE_DIR, ATYPE_DIR, ATYPE_DIR, |
| 92 ATYPE_ARC, ATYPE_ARC, ATYPE_ARC, ATYPE_ARC, | |
| 93 ATYPE_DIR, ATYPE_DIR, ATYPE_DIR, ATYPE_DIR, | |
| 94 ATYPE_DIR, ATYPE_DIR | |
| 95 }; | |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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96 const char* FileSearcher::default_dirnames[TYPEMAX] = { |
| 0 | 97 0, 0, "", "pdt", |
| 98 "seen.txt", "allanm.anl", "allard.ard", "allcur.cur", | |
| 99 0, 0, "koe", "bgm", "mov", "gan"}; | |
| 100 | |
| 101 /********************************************* | |
| 102 ** ARCFILE / DIRFILE: | |
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103 ** 書庫ファイル、あるいはディレクトリの |
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104 ** 全体を管理するクラス |
| 0 | 105 ** |
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106 ** 書庫ファイルからファイルの抜き出しはFind() |
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4416cfac86ae
Convert EUC-JP files to UTF8
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107 ** Find したものをReadすると内容が得られる。 |
| 0 | 108 */ |
| 109 | |
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110 ARCFILE::ARCFILE(const char* aname) { |
| 0 | 111 struct stat sb; |
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112 /* 変数初期化 */ |
| 52 | 113 arcname = NULL; |
| 0 | 114 list_point = 0; |
| 52 | 115 filenames_orig = NULL; |
| 116 next = NULL; | |
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117 if (aname[0] == '\0') { |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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118 arcname = new char[1]; |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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119 arcname[0]='\0'; |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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120 return; |
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* MuSys, AyuSysConfig, FileSearcher (former FILESEARCHER) and KeyHolder (former KEYHOLDER) are now singletons
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121 } // NULFILE |
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122 /* ディレクトリか否かのチェック */ |
| 0 | 123 if (stat(aname,&sb) == -1) { /* error */ |
| 124 perror("stat"); | |
| 125 } | |
| 126 if ( (sb.st_mode&S_IFMT) == S_IFDIR) { | |
| 127 int l = strlen(aname); | |
| 128 arcname = new char[l+2]; strcpy(arcname, aname); | |
| 129 if (arcname[l-1] != DIR_SPLIT) { | |
| 130 arcname[l] = DIR_SPLIT; | |
| 131 arcname[l+1] = 0; | |
| 132 } | |
| 133 } else if ( (sb.st_mode&S_IFMT) == S_IFREG) { | |
| 134 arcname = new char[strlen(aname)+1]; | |
| 135 strcpy(arcname,aname); | |
| 136 if (arcname[strlen(arcname)-1] == DIR_SPLIT) | |
| 137 arcname[strlen(arcname)-1] = '\0'; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 void ARCFILE::Init(void) { | |
| 142 if (! arc_atom.empty()) return; | |
| 52 | 143 if (arcname == NULL) return; |
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144 /* ファイル数を得る */ |
| 0 | 145 int slen = CheckFileDeal(); |
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146 /* ファイル名のセット */ |
| 0 | 147 ListupFiles(slen); |
| 148 if ( (!arc_atom.empty()) && arc_atom[0].filename) filenames_orig = arc_atom[0].filename; | |
| 149 sort(arc_atom.begin(), arc_atom.end()); | |
| 150 } | |
| 151 ARCFILE::~ARCFILE() { | |
| 152 if (filenames_orig) delete[] filenames_orig; | |
| 153 delete[] arcname; | |
| 50 | 154 delete next; |
| 0 | 155 } |
| 156 | |
| 157 ARCFILE::iterator ARCFILE::SearchName(const char* f, const char* ext) { | |
| 158 char buf[1024]; char buf_ext[1024]; | |
| 159 iterator it; | |
| 160 Init(); | |
| 52 | 161 if (f == NULL) return arc_atom.end(); |
| 0 | 162 if (arc_atom.empty()) return arc_atom.end(); |
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163 /* エラーチェック */ |
| 0 | 164 if (strlen(f)>500) return arc_atom.end(); |
| 165 if (ext && strlen(ext)>500) return arc_atom.end(); | |
| 166 | |
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167 /* 検索 */ |
| 0 | 168 strncpy(buf, f, 1000); |
| 169 buf[1000]=0; | |
| 170 it = lower_bound(arc_atom.begin(), arc_atom.end(), (char*)buf); | |
| 171 if (it != arc_atom.end() && strcmp(it->filename_lower, buf) == 0) return it; | |
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172 // 拡張子をつけて検索 |
| 0 | 173 if (ext) { |
| 174 strcpy(buf_ext, buf); | |
| 175 char* ext_pt = strrchr(buf_ext, '.'); | |
| 52 | 176 if (ext_pt == NULL || ext_pt == buf_ext) ext_pt = buf_ext + strlen(buf_ext); |
| 0 | 177 *ext_pt++ = '.'; |
| 178 while(*ext=='.') ext++; | |
| 179 strcat(buf_ext, ext); | |
| 180 it = lower_bound(arc_atom.begin(), arc_atom.end(), (char*)buf_ext); | |
| 181 if (it != arc_atom.end() && strcmp(it->filename_lower, buf_ext) == 0) return it; | |
| 182 } | |
| 183 | |
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184 /* 小文字にして 検索 */ |
| 0 | 185 int i; int l = strlen(f); |
| 186 if (l > 500) l = 500; | |
| 187 for (i=0; i<l; i++) | |
| 188 buf[i] = tolower(f[i]); | |
| 189 buf[i++] = 0; | |
| 190 it = lower_bound(arc_atom.begin(), arc_atom.end(), (char*)buf); | |
| 191 if (it != arc_atom.end() && strcmp(it->filename_lower, buf) == 0) return it; | |
| 192 | |
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193 // 拡張子をつけて検索 |
| 52 | 194 if (ext == NULL) return arc_atom.end(); |
| 0 | 195 strcpy(buf_ext, buf); |
| 196 char* ext_pt = strrchr(buf_ext, '.'); | |
| 52 | 197 if (ext_pt == NULL || ext_pt == buf_ext) ext_pt = buf_ext + strlen(buf_ext); |
| 0 | 198 *ext_pt++ = '.'; |
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199 /* 拡張子の長さを得る */ |
| 0 | 200 l = strlen(ext); |
| 201 for (i=0; i<l; i++) | |
| 202 ext_pt[i] = tolower(*ext++); | |
| 203 ext_pt[i] = 0; | |
| 204 it = lower_bound(arc_atom.begin(), arc_atom.end(), (char*)buf_ext); | |
| 205 if (it != arc_atom.end() && strcmp(it->filename_lower, buf_ext) == 0) return it; | |
| 206 return arc_atom.end(); | |
| 207 } | |
| 208 | |
| 209 ARCINFO* ARCFILE::Find(const char* fname, const char* ext) { | |
| 210 Init(); | |
| 211 iterator atom = SearchName(fname,ext); | |
| 212 if (atom == arc_atom.end()) { | |
| 213 if (next) return next->Find(fname, ext); | |
| 52 | 214 else return NULL; |
| 0 | 215 } |
| 216 return MakeARCINFO(*atom); | |
| 217 } | |
| 218 ARCINFO* ARCFILE::MakeARCINFO(ARCFILE_ATOM& atom) { | |
| 219 if (atom.arcsize == atom.filesize) | |
| 220 return new ARCINFO(arcname, atom); | |
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parents:
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diff
changeset
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221 else // 圧縮付 |
| 0 | 222 return new ARCINFO_AVG32(arcname, atom); |
| 223 } | |
| 224 ARCINFO* NULFILE::MakeARCINFO(ARCFILE_ATOM& atom) { | |
| 225 fprintf(stderr,"NULFILE::MakeARCINFO is invalid call!\n"); | |
| 226 return 0; | |
| 227 } | |
| 228 ARCINFO* SCN2kFILE::MakeARCINFO(ARCFILE_ATOM& atom) { | |
| 229 return new ARCINFO2k(arcname, atom); | |
| 230 } | |
| 231 ARCINFO* DIRFILE::MakeARCINFO(ARCFILE_ATOM& atom) { | |
| 232 char* name = atom.filename; | |
| 233 char* new_path = new char[strlen(arcname)+strlen(name)+1]; | |
| 234 strcpy(new_path,arcname); strcat(new_path, name); | |
| 235 ARCINFO* ret = new ARCINFO(new_path, atom); | |
| 236 delete[] new_path; | |
| 237 return ret; | |
| 238 } | |
| 239 | |
| 240 FILE* DIRFILE::Open(const char* fname) { | |
| 241 iterator atom = SearchName(fname); | |
| 242 if (atom == arc_atom.end()) return 0; | |
| 243 char* name = atom->filename; | |
| 244 // make FILE* | |
| 245 char* new_path = new char[strlen(arcname)+strlen(name)+1]; | |
| 246 strcpy(new_path,arcname); strcat(new_path, name); | |
| 247 FILE* ret = fopen(new_path, "rb+"); | |
| 52 | 248 fseek(ret, 0, SEEK_SET); |
| 0 | 249 delete[] new_path; |
| 250 return ret; | |
| 251 } | |
| 252 | |
| 253 char* DIRFILE::SearchFile(const char* fname) { | |
| 254 iterator atom = SearchName(fname); | |
| 255 if (atom == arc_atom.end()) return 0; | |
| 256 char* name = atom->filename; | |
| 257 char* new_path = new char[strlen(arcname)+strlen(name)+1]; | |
| 258 strcpy(new_path,arcname); strcat(new_path, name); | |
| 259 struct stat sb; | |
| 260 if (stat(new_path, &sb) == 0 && | |
| 261 ( (sb.st_mode&S_IFMT) == S_IFREG || | |
| 262 (sb.st_mode&S_IFMT) == S_IFDIR)) { | |
| 263 return new_path; | |
| 264 } | |
| 265 delete[] new_path; | |
| 266 return 0; | |
| 267 } | |
| 268 | |
| 269 void ARCFILE::ListFiles(FILE* out) { | |
| 270 Init(); | |
| 271 if (arc_atom.empty()) return; | |
| 272 // list file name... | |
| 273 fprintf(out,"%16s %10s %10s %10s\n", "Filename", | |
| 274 "pointer","arcsize", "filesize"); | |
| 275 vector<ARCFILE_ATOM>::iterator it; | |
| 276 for (it=arc_atom.begin(); it!=arc_atom.end(); it++) { | |
| 277 fprintf(out,"%16s %10d %10d %10d\n", | |
| 278 it->filename,it->offset,it->arcsize,it->filesize); | |
| 279 } | |
| 280 return; | |
| 281 } | |
| 282 | |
| 283 void ARCFILE::InitList(void) { | |
| 284 Init(); | |
| 285 list_point = 0; | |
| 286 } | |
| 287 char* ARCFILE::ListItem(void) { | |
| 52 | 288 if (list_point < 0) return NULL; |
| 289 if (list_point >= arc_atom.size()) return NULL; | |
| 0 | 290 char* fname = arc_atom[list_point].filename; |
| 52 | 291 if (fname == NULL) return NULL; |
| 0 | 292 char* ret = new char[strlen(fname)+1]; |
| 293 strcpy(ret, fname); | |
| 294 list_point++; | |
| 295 return ret; | |
| 296 } | |
| 297 | |
| 298 int ARCFILE::CheckFileDeal(void) { | |
| 299 char buf[0x20]; | |
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300 /* ヘッダのチェック */ |
| 0 | 301 FILE* stream = fopen(arcname, "rb"); |
| 52 | 302 if (stream == NULL) { |
| 0 | 303 fprintf(stderr, "Cannot open archive file : %s\n",arcname); |
| 304 return 0; | |
| 305 } | |
| 52 | 306 fseek(stream, 0, SEEK_END); |
| 307 size_t arc_size = ftell(stream); | |
| 308 fseek(stream, 0, SEEK_SET); | |
| 0 | 309 if (arc_size < 0x20) { |
| 310 fclose(stream); | |
| 311 return 0; | |
| 312 } | |
| 313 fread(buf, 0x20, 1, stream); | |
| 314 if (strncmp(buf, "PACL", 4) != 0) { | |
| 315 fclose(stream); | |
| 316 return 0; | |
| 317 } | |
| 318 int len = read_little_endian_int(buf+0x10); | |
| 319 if (arc_size < size_t(0x20 + len*0x20)) { | |
| 320 fclose(stream); | |
| 321 return 0; | |
| 322 } | |
| 323 int i; int slen = 0; | |
| 324 for (i=0; i<len; i++) { | |
| 325 fread(buf, 0x20, 1, stream); | |
| 326 slen += strlen(buf)+1; | |
| 327 } | |
| 328 fclose(stream); | |
| 329 return slen; | |
| 330 } | |
| 331 void ARCFILE::ListupFiles(int fname_len) { | |
| 332 int i; char fbuf[0x20]; | |
| 333 fname_len *= 2; | |
| 334 char* buf = new char[fname_len]; | |
| 335 FILE* stream = fopen(arcname, "rb"); | |
| 52 | 336 if (stream == NULL) { |
| 0 | 337 fprintf(stderr, "Cannot open archive file : %s\n",arcname); |
| 338 return; | |
| 339 } | |
| 340 fread(fbuf,0x20,1,stream); | |
| 341 int len = read_little_endian_int(fbuf+0x10); | |
| 342 ARCFILE_ATOM atom; | |
| 343 for (i=0; i<len; i++) { | |
| 344 fread(fbuf, 0x20, 1, stream); | |
| 345 int l = strlen(fbuf); | |
| 346 if (l*2+2 > fname_len) { | |
| 347 break; | |
| 348 } | |
| 349 atom.offset = read_little_endian_int(fbuf+0x10); | |
| 350 atom.arcsize = read_little_endian_int(fbuf+0x14); | |
| 351 atom.filesize = read_little_endian_int(fbuf+0x18); | |
| 352 int j; for (j=0; j<l; j++) { | |
| 353 buf[j] = fbuf[j]; | |
| 354 buf[j+l+1] = tolower(fbuf[j]); | |
| 355 } | |
| 356 buf[j] = buf[j+l+1] = 0; | |
| 357 atom.filename = buf; | |
| 358 atom.filename_lower = buf+l+1; | |
| 359 arc_atom.push_back(atom); | |
| 360 buf += l*2+2; fname_len -= l*2+2; | |
| 361 } | |
| 362 fclose(stream); | |
| 363 return; | |
| 364 } | |
| 365 int DIRFILE::CheckFileDeal(void) { | |
| 366 DIR* dir; struct dirent* ent; | |
| 367 int flen = 0; | |
| 368 dir = opendir(arcname); | |
| 52 | 369 if (dir == NULL) { |
| 0 | 370 fprintf(stderr, "Cannot open dir file : %s\n",arcname); |
| 371 return 0; | |
| 372 } | |
| 373 int count = 0; | |
| 374 while( (ent = readdir(dir)) != NULL) { | |
| 375 count++; | |
| 376 flen += strlen(ent->d_name)+1; | |
| 377 } | |
| 378 closedir(dir); | |
| 379 return flen; | |
| 380 } | |
| 381 void DIRFILE::ListupFiles(int fname_len) { | |
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382 DIR* dir; |
| 0 | 383 fname_len *= 2; |
| 384 dir = opendir(arcname); | |
| 52 | 385 if (dir == NULL) { |
| 0 | 386 fprintf(stderr, "Cannot open dir file : %s\n",arcname); |
| 387 return; | |
| 388 } | |
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389 /* 一時的に arcname のディレクトリに移動する */ |
| 0 | 390 int old_dir_fd = open(".",O_RDONLY); |
| 391 if (old_dir_fd < 0) { | |
| 392 closedir(dir); | |
| 393 return; | |
| 394 } | |
| 395 if (chdir(arcname) != 0) { | |
| 396 fprintf(stderr, "Cannot open dir file : %s\n",arcname); | |
| 397 closedir(dir); | |
| 398 close(old_dir_fd); | |
| 399 return; | |
| 52 | 400 } |
| 401 | |
| 0 | 402 char* buf = new char[fname_len]; |
| 403 ARCFILE_ATOM atom; | |
| 404 struct stat sb; | |
| 405 struct dirent* ent; | |
| 406 while( (ent = readdir(dir)) != NULL) { | |
| 407 if (stat(ent->d_name, &sb) == -1) continue; | |
| 408 if ( (sb.st_mode & S_IFMT) == S_IFREG) { | |
| 409 atom.offset = 0; | |
| 410 atom.arcsize = sb.st_size; | |
| 411 atom.filesize = sb.st_size; | |
| 412 } else if ( (sb.st_mode & S_IFMT) == S_IFDIR) { | |
| 413 atom.offset = 0; | |
| 414 atom.arcsize = atom.filesize = 0; | |
| 415 } else { | |
| 416 continue; | |
| 417 } | |
| 418 int l = strlen(ent->d_name); | |
| 419 if (l*2+2 > fname_len) { | |
| 420 break; | |
| 421 } | |
| 422 int j; for (j=0; j<l+1; j++) { | |
| 423 buf[j] = ent->d_name[j]; | |
| 424 buf[j+l+1] = tolower(ent->d_name[j]); | |
| 425 } | |
| 426 atom.filename = buf; atom.filename_lower = buf+l+1; | |
| 427 arc_atom.push_back(atom); | |
| 428 buf += l*2+2; fname_len -= l*2+2; | |
| 429 } | |
|
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430 /* chdir() したのを元に戻る */ |
| 0 | 431 closedir(dir); |
| 432 fchdir(old_dir_fd); close(old_dir_fd); | |
| 433 } | |
| 52 | 434 |
| 0 | 435 int NULFILE::CheckFileDeal(void) { |
| 436 return 20; | |
| 437 } | |
| 52 | 438 |
| 0 | 439 void NULFILE::ListupFiles(int fname_len) { |
| 440 char* s = new char[40]; | |
| 441 ARCFILE_ATOM atom; | |
| 442 atom.offset = 0; atom.arcsize = 0; atom.filesize = 0; | |
| 443 strcpy(s, "** null dummy **"); | |
| 444 atom.filename = s; | |
| 445 atom.filename_lower = s; | |
| 446 arc_atom.push_back(atom); | |
| 447 } | |
| 52 | 448 |
| 0 | 449 int SCN2kFILE::CheckFileDeal(void) { |
|
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450 /* ヘッダのチェック */ |
| 0 | 451 FILE* stream = fopen(arcname, "rb"); |
| 52 | 452 if (stream == NULL) { |
| 0 | 453 fprintf(stderr, "Cannot open archive file : %s\n",arcname); |
| 454 return 0; | |
| 455 } | |
| 52 | 456 fseek(stream, 0, SEEK_END); |
| 457 size_t arc_size = ftell(stream); | |
| 458 fseek(stream, 0, SEEK_SET); | |
| 0 | 459 if (arc_size < 10000*8) { |
| 460 fclose(stream); | |
| 461 return 0; | |
| 462 } | |
| 463 char* buf = new char[10000*8]; | |
| 464 fread(buf, 10000, 8, stream); | |
|
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465 /* size == 0 のデータは存在しない */ |
| 0 | 466 int count = 0; |
| 467 int i; for (i=0; i<10000; i++) { | |
| 468 int tmp_offset = read_little_endian_int(buf+i*8); | |
| 469 int tmp_size = read_little_endian_int(buf+i*8+4); | |
| 470 if (tmp_size <= 0 || tmp_offset < 0 || tmp_offset+tmp_size > int(arc_size) ) continue; | |
| 471 count++; | |
| 472 } | |
| 473 fclose(stream); | |
| 474 delete[] buf; | |
|
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475 return count*13; /* ファイル名は seenXXXX.txt だから、一つ12文字+null */ |
| 0 | 476 } |
| 52 | 477 |
| 0 | 478 void SCN2kFILE::ListupFiles(int fname_len) { |
| 479 FILE* stream = fopen(arcname, "rb"); | |
| 52 | 480 if (stream == NULL) { |
| 0 | 481 fprintf(stderr, "Cannot open archive file : %s\n",arcname); |
| 482 return; | |
| 483 } | |
| 484 char* sbuf = new char[fname_len]; | |
| 485 char* buf = new char[10000*8]; | |
| 486 fread(buf, 10000, 8, stream); | |
| 52 | 487 fseek(stream, 0, SEEK_END); |
| 488 size_t arc_size = ftell(stream); | |
| 0 | 489 ARCFILE_ATOM atom; |
| 490 int i; for (i=0; i<10000; i++) { | |
| 491 char header[0x200]; | |
| 492 int tmp_offset = read_little_endian_int(buf+i*8); | |
| 493 int tmp_size = read_little_endian_int(buf+i*8+4); | |
| 494 if (tmp_size <= 0 || tmp_offset < 0 || tmp_offset+tmp_size > int(arc_size) ) continue; | |
|
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495 /* header を得て圧縮形式などを調べる */ |
| 52 | 496 fseek(stream, tmp_offset, SEEK_SET); |
| 0 | 497 fread(header, 0x200, 1, stream); |
| 498 int header_top = read_little_endian_int(header+0); | |
| 499 int file_version = read_little_endian_int(header+4); | |
| 500 | |
| 501 if (file_version == 0x1adb2) ; // Little Busters! | |
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502 else if (file_version != 0x2712) continue; /* system version が違う */ |
| 0 | 503 |
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504 if (header_top == 0x1cc) { /* 古い形式 : avg2000 */ |
| 0 | 505 int header_size = read_little_endian_int(header+0)+read_little_endian_int(header+0x20)*4; |
| 506 int data_size = read_little_endian_int(header+0x24); | |
| 507 atom.arcsize = data_size + header_size; | |
| 508 atom.filesize = data_size + header_size; | |
| 509 atom.private_data = header_size; | |
| 510 | |
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511 } else if (header_top == 0x1b8) { /* 初夜献上 */ |
| 0 | 512 int header_size = read_little_endian_int(header+0)+read_little_endian_int(header+0x08)*4; |
| 513 int data_size = read_little_endian_int(header+0x0c); | |
| 514 int compdata_size = read_little_endian_int(header+0x10); | |
| 515 atom.arcsize = compdata_size + header_size; | |
| 516 atom.filesize = data_size + header_size; | |
| 517 atom.private_data = header_size; | |
| 518 | |
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519 } else if (header_top == 0x1d0) { /* 新しい形式： reallive */ |
| 0 | 520 int header_size = read_little_endian_int(header+0x20); |
| 521 int data_size = read_little_endian_int(header+0x24); | |
| 522 int compdata_size = read_little_endian_int(header+0x28); | |
| 523 atom.arcsize = compdata_size + header_size; | |
| 524 atom.filesize = data_size + header_size; | |
| 525 atom.private_data = header_size; | |
| 526 } else { | |
| 527 fprintf(stderr,"invalid header top; %x : not supported\n",header_top); | |
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528 continue; /* サポートしない形式 */ |
| 0 | 529 } |
| 530 | |
| 531 atom.offset = tmp_offset; | |
| 532 atom.filename = sbuf; | |
| 533 atom.filename_lower = sbuf; | |
| 534 arc_atom.push_back(atom); | |
| 535 sprintf(sbuf, "seen%04d.txt",i); sbuf += 13; | |
| 536 } | |
| 7 | 537 delete[] buf; |
| 0 | 538 fclose(stream); |
| 539 } | |
| 540 | |
| 541 /******************************************************** | |
|
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542 ** KeyHolder |
| 35 | 543 */ |
|
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544 |
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545 KeyHolder* KeyHolder::_singleton = NULL; |
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546 |
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547 KeyHolder* KeyHolder::GetInstance(void) |
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548 { |
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549 if (_singleton == NULL) _singleton = new KeyHolder; |
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550 return _singleton; |
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551 } |
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552 |
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553 void KeyHolder::Quit(void) |
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554 { |
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555 if (_singleton != NULL) { |
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556 delete _singleton; |
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557 _singleton = NULL; |
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558 } |
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559 } |
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560 |
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561 void KeyHolder::SetKey(char new_key[16]) |
| 35 | 562 { |
| 563 unsigned short int i; | |
| 564 for (i=0; i < 16; i++) | |
| 565 key[i] = new_key[i]; | |
| 566 } | |
| 567 | |
|
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568 void KeyHolder::SetKey2(char new_key[33]) |
| 35 | 569 { |
| 570 unsigned short int i; | |
| 571 char tmp[3]; | |
| 572 tmp[2] = '\0'; | |
| 573 for (i=0; i < 16; i++) { | |
| 574 tmp[0] = new_key[i*2]; | |
| 575 tmp[1] = new_key[i*2+1]; | |
| 576 key[i] = strtoul(tmp, NULL, 16); | |
| 577 } | |
| 578 } | |
| 579 | |
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580 void KeyHolder::GuessKey(char *regname) |
| 35 | 581 { |
| 582 char key1[16] = { | |
| 583 0xa8, 0x28, 0xfd, 0x66, | |
| 584 0xa0, 0x23, 0x77, 0x69, | |
| 585 0xf9, 0x45, 0xf8, 0x2c, | |
| 586 0x7c, 0x00, 0xad, 0xf4 | |
| 587 }; | |
| 588 | |
| 589 char key2[16] = { | |
| 590 0xAF, 0x2F, 0xFB, 0x6B, | |
| 591 0xAF, 0x30, 0x77, 0x17, | |
| 592 0x87, 0x48, 0xFE, 0x2C, | |
| 593 0x68, 0x1A, 0xB9, 0xF0 | |
| 594 }; | |
| 595 | |
| 596 | |
| 597 if (strcmp(regname, "KEY\\CLANNAD_FV") == 0) { | |
| 598 SetKey(key2); | |
| 599 } | |
| 600 else { | |
| 601 SetKey(key1); | |
| 602 } | |
| 603 } | |
| 604 | |
|
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605 const char * KeyHolder::GetKey(void) |
| 35 | 606 { |
| 607 return key; | |
| 608 } | |
| 609 | |
| 610 /******************************************************** | |
|
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611 ** FileSearcher クラスの実装 |
| 0 | 612 */ |
| 613 | |
|
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614 FileSearcher* FileSearcher::GetInstance(void) { |
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615 if (_singleton == NULL) _singleton = new FileSearcher; |
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616 return _singleton; |
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617 } |
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618 |
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619 void FileSearcher::Quit(void) { |
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620 if (_singleton != NULL) { |
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621 delete _singleton; |
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622 _singleton = NULL; |
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623 } |
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624 } |
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625 |
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626 FileSearcher::FileSearcher(void) { |
| 0 | 627 int i; |
| 52 | 628 root_dir = NULL; |
| 629 dat_dir = NULL; | |
| 0 | 630 for (i=0; i<TYPEMAX; i++) { |
| 52 | 631 searcher[i] = NULL; |
| 0 | 632 filenames[i] = default_dirnames[i]; |
| 633 is_archived[i] = default_is_archived[i]; | |
| 634 } | |
| 635 } | |
|
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636 |
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637 FileSearcher::~FileSearcher(void) { |
| 0 | 638 int i; |
| 639 for (i=0; i<TYPEMAX; i++) { | |
| 52 | 640 if (filenames[i] != NULL && filenames[i] != default_dirnames[i]) delete[] filenames[i]; |
| 0 | 641 if (searcher[i] && searcher[i] != dat_dir && searcher[i] != root_dir) { |
| 642 delete searcher[i]; | |
| 643 } | |
| 644 } | |
| 645 if (dat_dir && dat_dir != root_dir) delete dat_dir; | |
| 646 if (root_dir) delete root_dir; | |
| 647 } | |
| 648 | |
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649 int FileSearcher::InitRoot(char* root) { |
|
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650 /* 必要に応じて ~/ を展開 */ |
| 0 | 651 if (root[0] == '~' && root[1] == '/') { |
| 652 char* home = getenv("HOME"); | |
| 52 | 653 if (home != NULL) { |
| 0 | 654 char* new_root = new char[strlen(home)+strlen(root)]; |
| 655 strcpy(new_root, home); | |
| 656 strcat(new_root, root+1); | |
| 657 root = new_root; | |
| 658 } | |
| 659 } | |
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660 /* 古いデータを消す */ |
| 0 | 661 int i; |
| 662 for (i=0; i<TYPEMAX; i++) { | |
| 52 | 663 if (searcher[i] != NULL && |
| 0 | 664 searcher[i] != root_dir && |
| 665 searcher[i] != dat_dir) { | |
| 666 delete searcher[i]; | |
| 667 } | |
| 52 | 668 searcher[i] = NULL; |
| 0 | 669 } |
| 670 if (dat_dir && root_dir != dat_dir) delete dat_dir; | |
| 671 if (root_dir) delete root_dir; | |
| 52 | 672 dat_dir = NULL; |
| 0 | 673 |
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674 /* 新しいディレクトリのもとで初期化 */ |
| 0 | 675 root_dir = new DIRFILE(root); |
| 676 root_dir->Init(); | |
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677 /* dat/ を検索 */ |
| 0 | 678 char* dat_path = root_dir->SearchFile("dat"); |
| 52 | 679 if (dat_path == NULL) { |
|
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680 /* 見つからなかったら root を dat の代わりにつかう */ |
| 0 | 681 dat_dir = root_dir; |
| 682 } else { | |
| 683 dat_dir = new DIRFILE(dat_path); | |
| 9 | 684 delete[] dat_path; |
| 0 | 685 dat_dir->Init(); |
| 686 } | |
| 687 searcher[ALL] = dat_dir; | |
| 688 searcher[ROOT] = root_dir; | |
| 689 return 0; | |
| 690 } | |
| 691 | |
|
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692 void FileSearcher::SetFileInformation(FILETYPE tp, ARCTYPE is_arc, char* filename) { |
| 0 | 693 int type = tp; |
| 694 if (type < 0 || type >= TYPEMAX) return; | |
| 52 | 695 ARCFILE* next_arc = NULL; |
|
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696 /* すでに searcher が存在すれば解放 */ |
| 52 | 697 if (searcher[type] != NULL && |
| 0 | 698 searcher[type] != root_dir && |
| 699 searcher[type] != dat_dir) { | |
| 700 next_arc = searcher[type]->Next(); | |
| 701 delete searcher[type]; | |
| 702 } | |
| 52 | 703 searcher[type] = NULL; |
|
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704 /* 適当に初期化 */ |
| 52 | 705 if (filenames[type] != NULL && |
| 0 | 706 filenames[type] != default_dirnames[type]) delete[] filenames[type]; |
|
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707 filenames[type] = filename; |
| 0 | 708 is_archived[type] = is_arc; |
| 709 searcher[type] = MakeARCFILE(is_arc, filename); | |
| 52 | 710 if (searcher[type] != NULL && next_arc) |
| 0 | 711 searcher[type]->SetNext(next_arc); |
| 712 } | |
| 52 | 713 |
|
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714 void FileSearcher::AppendFileInformation(FILETYPE tp, ARCTYPE is_arc, char* filename) { |
| 0 | 715 int type = tp; |
| 716 if (type < 0 || type >= TYPEMAX) return; | |
|
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717 /* searcher がまだ割り当てられてない場合 */ |
| 52 | 718 if (searcher[type] == NULL || |
| 0 | 719 searcher[type] == root_dir || |
| 720 searcher[type] == dat_dir) { | |
| 721 searcher[type] = MakeARCFILE(is_archived[type], filenames[type]); | |
|
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722 if (searcher[type] == NULL) { /* 作成できなかった場合 */ |
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723 /* この型情報を FileInformation とする */ |
| 0 | 724 SetFileInformation(tp, is_arc, filename); |
| 725 return; | |
| 726 } | |
| 727 } | |
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728 /* 初期化 */ |
| 0 | 729 ARCFILE* arc = MakeARCFILE(is_arc, filename); |
| 730 /* append */ | |
| 731 ARCFILE* cur; | |
| 52 | 732 for (cur=searcher[type]; cur->Next() != NULL; cur = cur->Next()) ; |
| 0 | 733 cur->SetNext(arc); |
| 734 } | |
| 735 | |
|
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736 ARCFILE* FileSearcher::MakeARCFILE(ARCTYPE tp, const char* filename) { |
| 52 | 737 ARCFILE* arc = NULL; |
| 0 | 738 char* file; |
| 52 | 739 if (filename == NULL) goto err; |
| 0 | 740 if (tp == ATYPE_DIR) { |
| 741 file = root_dir->SearchFile(filename); | |
| 742 } else { | |
| 743 file = dat_dir->SearchFile(filename); | |
| 52 | 744 if (file == NULL) |
| 0 | 745 file = root_dir->SearchFile(filename); |
| 746 } | |
| 52 | 747 if (file == NULL) goto err; |
| 0 | 748 switch(tp) { |
| 749 case ATYPE_DIR: arc = new DIRFILE(file); break; | |
| 750 case ATYPE_SCN2k: | |
| 751 case ATYPE_ARC: { | |
| 752 FILE* f = fopen(file, "rb"); | |
| 52 | 753 if (f == NULL) goto err; |
| 0 | 754 char header[32]; |
| 755 memset(header, 0, 32); | |
| 756 fread(header, 32, 1, f); | |
| 757 fclose(f); | |
| 758 char magic_raf[8] = {'C','A','P','F',1,0,0,0}; | |
| 759 if (strncmp(header, "PACL", 4) == 0) arc = new ARCFILE(file); | |
| 760 else arc = new SCN2kFILE(file); | |
| 761 } | |
| 762 break; | |
|
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763 default: fprintf(stderr,"FileSearcher::MAKEARCFILE : invalid archive type; type %d name %s\n",tp,filename); |
| 0 | 764 delete[] file; |
| 765 goto err; | |
| 766 } | |
| 767 delete[] file; | |
| 768 return arc; | |
| 769 err: | |
| 770 arc = new NULFILE; | |
| 771 return arc; | |
| 772 } | |
| 773 | |
|
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774 ARCINFO* FileSearcher::Find(FILETYPE type, const char* fname, const char* ext) { |
| 52 | 775 if (searcher[type] == NULL) { |
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776 /* searcher 作成 */ |
| 52 | 777 if (filenames[type] == NULL) { |
| 0 | 778 searcher[type] = dat_dir; |
| 779 } else { | |
| 780 searcher[type] = MakeARCFILE(is_archived[type], filenames[type]); | |
| 52 | 781 if (searcher[type] == NULL) { |
|
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782 fprintf(stderr,"FileSearcher::Find : invalid archive type; type %d name %s\n",type,fname); |
| 52 | 783 return NULL; |
| 0 | 784 } |
| 785 } | |
| 786 } | |
| 787 return searcher[type]->Find(fname,ext); | |
| 788 } | |
| 789 | |
|
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790 char** FileSearcher::ListAll(FILETYPE type) { |
|
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791 /* とりあえず searcher を初期化 */ |
| 0 | 792 Find(type, "THIS FILENAME MAY NOT EXIST IN THE FILE SYSTEM !!!"); |
| 52 | 793 if (searcher[type] == NULL) return NULL; |
|
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794 /* 全ファイルのリストアップ */ |
| 0 | 795 int deal = 0; |
| 796 ARCFILE* file; | |
| 52 | 797 for (file = searcher[type]; file != NULL; file = file->Next()) |
| 0 | 798 deal += file->Deal(); |
| 52 | 799 if (deal <= 0) return NULL; |
| 0 | 800 char** ret_list = new char*[deal+1]; |
| 801 int count = 0; | |
| 52 | 802 for (file = searcher[type]; file != NULL; file = file->Next()) { |
| 0 | 803 file->InitList(); |
| 804 char* f; | |
| 805 while( (f = file->ListItem() ) != 0) { | |
| 806 ret_list[count] = new char[strlen(f)+1]; | |
| 807 strcpy(ret_list[count], f); | |
| 808 count++; | |
| 809 } | |
| 810 } | |
| 52 | 811 ret_list[count] = NULL; |
| 0 | 812 return ret_list; |
| 813 } | |
| 814 | |
| 815 ARCINFO::ARCINFO(const char* __arcname, ARCFILE_ATOM& atom) : info(atom) { | |
| 816 arcfile = new char[strlen(__arcname)+1]; | |
| 817 strcpy(arcfile, __arcname); | |
| 818 use_mmap = false; | |
| 52 | 819 mmapped_memory = NULL; |
| 820 data = NULL; | |
| 0 | 821 fd = -1; |
| 822 } | |
| 823 | |
| 824 ARCINFO::~ARCINFO() { | |
| 825 #ifdef HAVE_MMAP | |
| 826 if (mmapped_memory) munmap(mmapped_memory, info.arcsize); | |
| 827 #endif /* HAVE_MMAP */ | |
| 828 if (fd != -1) close(fd); | |
| 829 if (data != mmapped_memory) delete[] data; | |
| 830 delete[] arcfile; | |
| 831 } | |
| 832 | |
| 833 int ARCINFO::Size(void) const { | |
| 834 return info.filesize; | |
| 835 } | |
| 836 | |
|
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837 /* コピーを返す */ |
| 0 | 838 char* ARCINFO::CopyRead(void) { |
| 839 const char* d = Read(); | |
| 52 | 840 if (d == NULL) return NULL; |
| 0 | 841 int s = Size(); |
| 52 | 842 if (s <= 0) return NULL; |
| 0 | 843 char* ret = new char[s]; memcpy(ret, d, s); |
| 844 return ret; | |
| 845 } | |
| 846 | |
| 847 const char* ARCINFO::Path(void) const { | |
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848 if (info.offset != 0) return NULL; /* archive file なのでパスを帰せない */ |
| 0 | 849 char* ret = new char[strlen(arcfile)+1]; |
| 850 strcpy(ret, arcfile); | |
| 851 return ret; | |
| 852 } | |
| 52 | 853 |
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854 /* 互換性専用 */ |
| 0 | 855 FILE* ARCINFO::OpenFile(int* length) const { |
| 856 FILE* f = fopen(arcfile, "rb"); | |
| 857 if (info.offset) lseek(fileno(f), info.offset, SEEK_SET); | |
| 858 if (length) *length = info.arcsize; | |
| 859 return f; | |
| 860 } | |
| 861 | |
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862 // 展開処理はなし |
| 0 | 863 bool ARCINFO::ExecExtract(void) { |
| 864 return true; | |
| 865 } | |
| 52 | 866 |
|
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867 /* 読み込みを開始する */ |
| 0 | 868 const char* ARCINFO::Read(void) { |
|
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869 // すでにデータを読み込み済みなら何もしない |
| 52 | 870 if (data != NULL) return data; |
| 0 | 871 |
| 872 if (info.offset < 0 || info.arcsize <= 0) { | |
| 52 | 873 return NULL; |
| 0 | 874 } |
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875 /* ファイルを開く */ |
| 0 | 876 fd = open(arcfile, O_RDONLY); |
| 877 if (fd < 0) { | |
| 52 | 878 return NULL; |
| 0 | 879 } |
| 52 | 880 if (lseek(fd, info.offset, SEEK_SET) != info.offset) { |
| 881 close(fd); | |
| 882 fd = -1; | |
| 883 return NULL; | |
| 0 | 884 } |
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885 /* mmap を試みる */ |
| 0 | 886 #ifdef HAVE_MMAP |
| 52 | 887 mmapped_memory = (char*)mmap(NULL, info.arcsize, PROT_READ, MAP_SHARED, fd, info.offset); |
| 0 | 888 if (mmapped_memory != MAP_FAILED) { |
| 889 use_mmap = true; | |
| 890 data = (const char*)mmapped_memory; | |
| 891 } else | |
| 892 #endif /* HAVE_MMAP */ | |
| 893 { | |
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894 /* 失敗：普通にファイルを読み込み */ |
| 0 | 895 char* d = new char[info.arcsize]; |
| 896 read(fd, d, info.arcsize); | |
| 897 close(fd); | |
| 898 fd = -1; | |
| 899 use_mmap = false; | |
| 900 data = d; | |
| 901 } | |
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902 /* 展開する */ |
| 0 | 903 if (! ExecExtract()) { |
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904 // 失敗 |
| 0 | 905 #ifdef HAVE_MMAP |
| 906 if (use_mmap) { | |
| 907 munmap(mmapped_memory, info.arcsize); | |
| 52 | 908 if (data == (const char*)mmapped_memory) data = NULL; |
| 0 | 909 } |
| 910 #endif /* HAVE_MMAP */ | |
| 911 delete[] (char*)data; | |
| 912 close(fd); | |
| 52 | 913 fd = -1; data = NULL; |
| 914 return NULL; | |
| 0 | 915 } |
| 916 #ifdef HAVE_MMAP | |
| 917 if (use_mmap && data != (const char*)mmapped_memory) { | |
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918 // すでに mmap は必要ない |
| 0 | 919 munmap(mmapped_memory, info.arcsize); |
| 920 close(fd); | |
| 921 fd = -1; | |
| 922 use_mmap = false; | |
| 923 } | |
| 924 #endif /* HAVE_MMAP */ | |
| 925 return data; | |
| 926 } | |
| 927 | |
| 928 /********************************************** | |
| 929 ** | |
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930 ** 画像展開系クラスの定義、実装 |
| 0 | 931 ** |
| 932 *********************************************** | |
| 933 */ | |
| 934 GRPCONV::GRPCONV(void) { | |
| 52 | 935 filename = NULL; |
| 936 data = NULL; | |
| 0 | 937 } |
| 52 | 938 |
| 0 | 939 GRPCONV::~GRPCONV() { |
| 940 if (filename) delete[] filename; | |
| 941 } | |
| 52 | 942 |
| 0 | 943 void GRPCONV::Init(const char* f, const char* d, int dlen, int w, int h, bool is_m) { |
| 944 if (filename) delete[] filename; | |
| 52 | 945 if (f == NULL) { |
| 0 | 946 char* fn = new char[1]; |
| 947 fn[0] = 0; | |
| 948 filename = fn; | |
| 949 } else { | |
| 950 char* fn = new char[strlen(f)+1]; | |
| 951 strcpy(fn,f); | |
| 952 filename = fn; | |
| 953 } | |
| 954 | |
| 955 data = d; | |
| 956 datalen = dlen; | |
| 957 width = w; | |
| 958 height = h; | |
| 959 is_mask = is_m; | |
| 960 } | |
| 52 | 961 |
| 0 | 962 class PDTCONV : public GRPCONV { |
| 52 | 963 private: |
| 964 bool Read_PDT10(char* image); | |
| 965 bool Read_PDT11(char* image); | |
| 966 public: | |
| 967 PDTCONV(const char* _inbuf, int inlen, const char* fname); | |
| 968 ~PDTCONV() {} | |
| 969 bool Read(char* image); | |
| 0 | 970 }; |
| 52 | 971 |
| 0 | 972 class G00CONV : public GRPCONV { |
| 52 | 973 private: |
| 974 struct REGION { | |
| 975 int x1, y1, x2, y2; | |
| 976 int Width() { return x2-x1+1;} | |
| 977 int Height() { return y2-y1+1;} | |
| 978 void FixVar(int& v, int& w) { | |
| 979 if (v < 0) v = 0; | |
| 980 if (v >= w) v = w-1; | |
| 981 } | |
| 982 void Fix(int w, int h) { | |
| 983 FixVar(x1,w); | |
| 984 FixVar(x2,w); | |
| 985 FixVar(y1,h); | |
| 986 FixVar(y2,h); | |
| 987 if (x1 > x2) x2 = x1; | |
| 988 if (y1 > y2) y2 = y1; | |
| 989 } | |
| 990 }; | |
| 0 | 991 |
| 52 | 992 void Copy_16bpp(char* image, int x, int y, const char* src, int bpl, int h); |
| 993 void Copy_32bpp(char* image, int x, int y, const char* src, int bpl, int h); | |
| 994 bool Read_Type0(char* image); | |
| 995 bool Read_Type1(char* image); | |
| 996 bool Read_Type2(char* image); | |
| 997 public: | |
| 998 G00CONV(const char* _inbuf, int _inlen, const char* fname); | |
| 999 ~G00CONV() { } | |
| 1000 bool Read(char* image); | |
| 0 | 1001 }; |
| 1002 | |
| 1003 class BMPCONV : public GRPCONV { | |
| 52 | 1004 public: |
| 1005 BMPCONV(const char* _inbuf, int _inlen, const char* fname); | |
| 1006 ~BMPCONV() {}; | |
| 1007 bool Read(char* image); | |
| 0 | 1008 }; |
| 52 | 1009 |
| 0 | 1010 #if HAVE_LIBPNG |
| 1011 class PNGCONV : public GRPCONV { | |
| 52 | 1012 private: |
| 1013 const char* png_data; | |
| 1014 static void png_read(png_structp, png_bytep, png_size_t); | |
| 0 | 1015 |
| 52 | 1016 public: |
| 1017 PNGCONV(const char* _inbuf, int _inlen, const char* fname); | |
| 1018 ~PNGCONV() {}; | |
| 1019 bool Read(char* image); | |
| 0 | 1020 }; |
| 1021 #endif | |
| 1022 | |
| 1023 #if HAVE_LIBJPEG | |
| 1024 class JPEGCONV : public GRPCONV { | |
| 52 | 1025 public: |
| 1026 JPEGCONV(const char* _inbuf, int _inlen, const char* fname); | |
| 1027 ~JPEGCONV() {}; | |
| 1028 bool Read(char* image); | |
| 1029 void SetupSrc(struct jpeg_decompress_struct* cinfo, const char* data, int size); | |
| 1030 static void init_source(j_decompress_ptr cinfo); | |
| 1031 static boolean fill_input_buffer(j_decompress_ptr cinfo); | |
| 1032 static void skip_input_data(j_decompress_ptr cinfo, long num_bytes); | |
| 1033 static boolean resync_to_restart(j_decompress_ptr cinfo, int desired); | |
| 1034 static void term_source(j_decompress_ptr cinf); | |
| 0 | 1035 }; |
| 1036 #endif | |
| 1037 | |
| 1038 GRPCONV* GRPCONV::AssignConverter(const char* inbuf, int inlen, const char* fname) { | |
|
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1039 /* ファイルの内容に応じたコンバーターを割り当てる */ |
| 52 | 1040 GRPCONV* conv = NULL; |
| 1041 if (inlen < 10) return NULL; /* invalid file */ | |
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1042 if (strncmp(inbuf, "PDT10", 5) == 0 || strncmp(inbuf, "PDT11", 5) == 0) { /* PDT10 or PDT11 */ |
| 0 | 1043 conv = new PDTCONV(inbuf, inlen, fname); |
| 52 | 1044 if (conv->data == NULL) { |
| 1045 delete conv; | |
| 1046 conv = NULL; | |
| 1047 } | |
| 0 | 1048 } |
| 1049 #if HAVE_LIBPNG | |
| 1050 unsigned char png_magic[4] = {0x89, 'P', 'N', 'G'}; | |
| 52 | 1051 if (conv == NULL && memcmp(inbuf, png_magic,4) == 0) { |
| 0 | 1052 conv = new PNGCONV(inbuf, inlen, fname); |
| 52 | 1053 if (conv->data == NULL) { |
| 1054 delete conv; | |
| 1055 conv = NULL; | |
| 1056 } | |
| 0 | 1057 } |
| 1058 #endif | |
| 1059 #if HAVE_LIBJPEG | |
| 52 | 1060 if ( conv == NULL && *(unsigned char*)inbuf == 0xff && *(unsigned char*)(inbuf+1) == 0xd8 && |
| 0 | 1061 (strncmp(inbuf+6, "JFIF",4) == 0 || strncmp(inbuf+6,"Exif",4) == 0)) { |
| 1062 conv = new JPEGCONV(inbuf, inlen, fname); | |
| 52 | 1063 if (conv->data == NULL) { |
| 1064 delete conv; | |
| 1065 conv = NULL; | |
| 1066 } | |
| 0 | 1067 } |
| 1068 #endif | |
| 52 | 1069 if (conv == NULL && inbuf[0]=='B' && inbuf[1]=='M' && read_little_endian_int(inbuf+10)==0x36 && read_little_endian_int(inbuf+14) == 0x28) { // Windows BMP |
| 0 | 1070 conv = new BMPCONV(inbuf, inlen, fname); |
| 52 | 1071 if (conv->data == NULL) { |
| 1072 delete conv; | |
| 1073 conv = NULL; | |
| 1074 } | |
| 0 | 1075 } |
| 52 | 1076 if (conv == NULL && (inbuf[0] == 0 || inbuf[0] == 1 || inbuf[0] == 2)) { /* G00 */ |
| 0 | 1077 conv = new G00CONV(inbuf, inlen, fname); |
| 52 | 1078 if (conv->data == NULL) { |
| 1079 delete conv; | |
| 1080 conv = NULL; | |
| 1081 } | |
| 0 | 1082 } |
| 1083 return conv; | |
| 1084 } | |
| 1085 | |
| 1086 PDTCONV::PDTCONV(const char* _inbuf, int _inlen,const char* filename) { | |
|
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1087 // PDT FILE のヘッダ |
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1088 // +00 'PDT10' (PDT11 は未対応) |
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1089 // +08 ファイルサイズ (無視) |
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1090 // +0C width (ほぼすべて、640) |
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1091 // +10 height(ほぼすべて、480) |
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1092 // +14 (mask の) x 座標 (実際は無視・・・全ファイルで 0 ) |
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1093 // +1c (mask の) y座標 (実際は無視 ・・・全ファイルで 0 ) |
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1094 // +20 mask が存在すれば、mask へのポインタ |
| 0 | 1095 |
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1096 /* ヘッダチェック */ |
| 0 | 1097 if (_inlen < 0x20) { |
| 1098 fprintf(stderr, "Invalid PDT file %s : size is too small\n",filename); | |
| 1099 return; | |
| 1100 } | |
| 1101 if (strncmp(_inbuf, "PDT10", 5) != 0 && strncmp(_inbuf, "PDT11", 5) != 0) { | |
| 1102 fprintf(stderr, "Invalid PDT file %s : not 'PDT10 / PDT11' file.\n", filename); | |
| 1103 return; | |
| 1104 } | |
| 1105 if (size_t(_inlen) != size_t(read_little_endian_int(_inbuf+0x08))) { | |
| 1106 fprintf(stderr, "Invalid archive file %s : invalid header.(size)\n", | |
| 1107 filename); | |
| 1108 return; | |
| 1109 } | |
| 1110 | |
| 1111 int w = read_little_endian_int(_inbuf+0x0c); | |
| 1112 int h = read_little_endian_int(_inbuf+0x10); | |
| 1113 int mask_pt = read_little_endian_int(_inbuf + 0x1c); | |
| 1114 Init(filename, _inbuf, _inlen, w, h, mask_pt ? true : false); | |
| 1115 } | |
| 1116 | |
| 1117 | |
| 1118 G00CONV::G00CONV(const char* _inbuf, int _inlen, const char* filename) { | |
|
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1119 // G00 FILE のヘッダ |
| 0 | 1120 // +00 type (1, 2) |
| 1121 // +01: width(word) | |
| 1122 // +03: height(word) | |
|
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1123 // type 1: (color table 付き LZ 圧縮 ; PDT11 に対応) |
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1124 // +05: 圧縮サイズ(dword) ; +5 するとデータ全体のサイズ |
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1125 // +09: 展開後サイズ(dword) |
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1126 // type 2: (マスク可、画像を矩形領域に分割してそれぞれ圧縮) |
| 0 | 1127 // +05: index size |
| 1128 // +09: index table(each size is 0x18) | |
| 1129 // +00 | |
| 1130 // | |
| 1131 // +09+0x18*size+00: data size | |
| 1132 // +09+0x18*size+04: out size | |
| 1133 // +09+0x18*size+08: (data top) | |
| 1134 // | |
| 1135 | |
|
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1136 /* データから情報読み込み */ |
| 0 | 1137 int type = *_inbuf; |
| 1138 | |
| 1139 int w = read_little_endian_short(_inbuf+1); | |
| 1140 int h = read_little_endian_short(_inbuf+3); | |
| 1141 if (w < 0 || h < 0) return; | |
| 1142 | |
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1143 if (type == 0 || type == 1) { // color table 付き圧縮 |
| 0 | 1144 if (_inlen < 13) { |
| 1145 fprintf(stderr, "Invalid G00 file %s : size is too small\n",filename); | |
| 1146 return; | |
| 1147 } | |
| 1148 int data_sz = read_little_endian_int(_inbuf+5); | |
| 1149 | |
| 1150 if (_inlen != data_sz+5) { | |
| 1151 fprintf(stderr, "Invalid archive file %s : invalid header.(size)\n", | |
| 1152 filename); | |
| 1153 return; | |
| 1154 } | |
| 1155 Init(filename, _inbuf, _inlen, w, h, false); | |
|
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1156 } else if (type == 2) { // color table なし、マスク付き可の圧縮 |
| 0 | 1157 |
| 1158 int head_size = read_little_endian_short(_inbuf+5); | |
| 1159 if (head_size < 0 || head_size*24 > _inlen) return; | |
| 1160 | |
| 1161 const char* data_top = _inbuf + 9 + head_size*24; | |
| 1162 int data_sz = read_little_endian_int(data_top); | |
| 1163 if (_inbuf + _inlen != data_top + data_sz) { | |
| 1164 fprintf(stderr, "Invalid archive file %s : invalid header.(size)\n", | |
| 1165 filename); | |
| 1166 return; | |
| 1167 } | |
| 1168 Init(filename, _inbuf, _inlen, w, h, true); | |
| 1169 } | |
| 1170 return; | |
| 1171 } | |
| 1172 | |
| 1173 bool G00CONV::Read(char* image) { | |
| 52 | 1174 if (data == NULL) return false; |
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1175 /* header 識別 */ |
| 0 | 1176 int type = *data; |
| 1177 if (type == 0) return Read_Type0(image); | |
| 1178 else if (type == 1) return Read_Type1(image); | |
| 1179 else if (type == 2) return Read_Type2(image); | |
| 1180 } | |
| 1181 | |
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1182 /* 一般的な LZ 圧縮の展開ルーチン */ |
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1183 /* datasize はデータの大きさ、char / short / int を想定 */ |
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1184 /* datatype は Copy1Pixel (1データのコピー)及び ExtractData(LZ 圧縮の情報を得る |
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1185 ** というメソッドを実装したクラス */ |
| 0 | 1186 static int bitrev_table[256] = { |
| 1187 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, | |
| 1188 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, | |
| 1189 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, | |
| 1190 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, | |
| 1191 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, | |
| 1192 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, | |
| 1193 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, | |
| 1194 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, | |
| 1195 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, | |
| 1196 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, | |
| 1197 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, | |
| 1198 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, | |
| 1199 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, | |
| 1200 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, | |
| 1201 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, | |
| 1202 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff}; | |
| 52 | 1203 |
| 0 | 1204 template<class DataType, class DataSize> inline int lzExtract(DataType& datatype,const char*& src, char*& dest, const char* srcend, char* destend) { |
| 1205 int count = 0; | |
| 1206 const char* lsrcend = srcend; char* ldestend = destend; | |
| 1207 const char* lsrc = src; char* ldest = dest; | |
| 1208 | |
| 1209 if (lsrc+50 < lsrcend && ldest+1024 < ldestend) { | |
|
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1210 /* まず、範囲チェックを緩くして高速なルーチンを使う */ |
| 0 | 1211 lsrcend -= 50; |
| 1212 ldestend += 1024; | |
| 1213 while (ldest < ldestend && lsrc < lsrcend) { | |
| 1214 count += 8; | |
| 1215 int flag = int(*(unsigned char*)lsrc++); | |
| 1216 if (datatype.IsRev()) flag = bitrev_table[flag]; | |
| 1217 int i; for (i=0; i<8; i++) { | |
| 1218 if (flag & 0x80) { | |
| 1219 datatype.Copy1Pixel(lsrc, ldest); | |
| 1220 } else { | |
| 1221 int data, size; | |
| 1222 datatype.ExtractData(lsrc, data, size); | |
| 1223 DataSize* p_dest = ((DataSize*)ldest) - data; | |
| 1224 int k; for (k=0; k<size; k++) { | |
| 1225 p_dest[data] = *p_dest; | |
| 1226 p_dest++; | |
| 1227 } | |
| 1228 ldest += size*sizeof(DataSize); | |
| 1229 } | |
| 1230 flag <<= 1; | |
| 1231 } | |
| 1232 } | |
| 1233 lsrcend += 50; | |
| 1234 ldestend += 1024; | |
| 1235 } | |
|
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1236 /* 残りを変換 */ |
| 0 | 1237 while (ldest < ldestend && lsrc < lsrcend) { |
| 1238 count += 8; | |
| 1239 int flag = int(*(unsigned char*)lsrc++); | |
| 1240 if (datatype.IsRev()) flag = bitrev_table[flag]; | |
| 1241 int i; for (i=0; i<8 && ldest < ldestend && lsrc < lsrcend; i++) { | |
| 1242 if (flag & 0x80) { | |
| 1243 datatype.Copy1Pixel(lsrc, ldest); | |
| 1244 } else { | |
| 1245 int data, size; | |
| 1246 datatype.ExtractData(lsrc, data, size); | |
| 1247 DataSize* p_dest = ((DataSize*)ldest) - data; | |
| 1248 int k; for (k=0; k<size; k++) { | |
| 1249 p_dest[data] = *p_dest; | |
| 1250 p_dest++; | |
| 1251 } | |
| 1252 ldest += size*sizeof(DataSize); | |
| 1253 } | |
| 1254 flag <<= 1; | |
| 1255 } | |
| 1256 } | |
| 1257 dest=ldest; src=lsrc; | |
| 1258 return 0; | |
| 1259 } | |
| 52 | 1260 |
|
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1261 /* 引数を減らすためのwrapper */ |
| 0 | 1262 template<class DataType, class DataSize> inline int lzExtract(DataType datatype, DataSize datasize ,const char*& src, char*& dest, const char* srcend, char* destend) { |
| 1263 return lzExtract<DataType, DataSize>(datatype,src,dest,srcend,destend); | |
| 1264 } | |
| 1265 | |
|
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1266 /* 普通の PDT */ |
| 0 | 1267 class Extract_DataType { |
| 52 | 1268 public: |
| 1269 static void ExtractData(const char*& lsrc, int& data, int& size) { | |
| 1270 data = read_little_endian_short(lsrc) & 0xffff; | |
| 1271 size = (data & 0x0f) + 1; | |
| 1272 data = (data>>4)+1; | |
| 1273 lsrc += 2; | |
| 1274 } | |
| 1275 static void Copy1Pixel(const char*& lsrc, char*& ldest) { | |
| 0 | 1276 #ifdef WORDS_BIGENDIAN |
| 52 | 1277 ldest[3] = lsrc[0]; |
| 1278 ldest[2] = lsrc[1]; | |
| 1279 ldest[1] = lsrc[2]; | |
| 1280 ldest[0] = 0; | |
| 0 | 1281 #else |
| 52 | 1282 *(int*)ldest = read_little_endian_int(lsrc); ldest[3]=0; |
| 0 | 1283 #endif |
| 52 | 1284 lsrc += 3; ldest += 4; |
| 1285 } | |
| 1286 static int IsRev(void) { return 0; } | |
| 0 | 1287 }; |
| 1288 | |
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1289 /* PDT11 の第一段階変換 */ |
| 0 | 1290 class Extract_DataType_PDT11 { |
| 52 | 1291 private: |
| 1292 int* index_table; | |
| 1293 public: | |
| 1294 Extract_DataType_PDT11(int* it) { index_table = it; } | |
| 1295 void ExtractData(const char*& lsrc, int& data, int& size) { | |
| 1296 data = int(*(const unsigned char*)lsrc); | |
| 1297 size = (data>>4) + 2; | |
| 1298 data = index_table[data&0x0f]; | |
| 1299 lsrc++; | |
| 1300 } | |
| 1301 static void Copy1Pixel(const char*& lsrc, char*& ldest) { | |
| 1302 *ldest = *lsrc; | |
| 1303 ldest++; lsrc++; | |
| 1304 } | |
| 1305 static int IsRev(void) { return 0; } | |
| 0 | 1306 }; |
| 52 | 1307 |
|
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1308 /* マスク用 */ |
| 0 | 1309 class Extract_DataType_Mask { |
| 52 | 1310 public: |
| 1311 void ExtractData(const char*& lsrc, int& data, int& size) { | |
| 1312 int d = read_little_endian_short(lsrc) & 0xffff; | |
| 1313 size = (d & 0xff) + 2; | |
| 1314 data = (d>>8)+1; | |
| 1315 lsrc += 2; | |
| 1316 } | |
| 1317 static void Copy1Pixel(const char*& lsrc, char*& ldest) { | |
| 1318 *ldest = *lsrc; | |
| 1319 ldest++; lsrc++; | |
| 1320 } | |
| 1321 static int IsRev(void) { return 0; } | |
| 0 | 1322 }; |
| 52 | 1323 |
|
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1324 /* 書庫用 */ |
| 0 | 1325 class Extract_DataType_ARC { |
| 52 | 1326 public: |
| 1327 void ExtractData(const char*& lsrc, int& data, int& size) { | |
| 1328 data = read_little_endian_short(lsrc) & 0xffff; | |
| 1329 size = (data&0x0f) + 2; | |
| 1330 data = (data>>4) + 1; | |
| 1331 lsrc+= 2; | |
| 1332 } | |
| 1333 static void Copy1Pixel(const char*& lsrc, char*& ldest) { | |
| 1334 *ldest = *lsrc; | |
| 1335 ldest++; lsrc++; | |
| 1336 } | |
| 1337 static int IsRev(void) { return 0; } | |
| 0 | 1338 }; |
| 52 | 1339 |
|
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1340 /* avg2000 のシナリオ用 */ |
| 0 | 1341 class Extract_DataType_SCN2k { |
| 52 | 1342 public: |
| 1343 void ExtractData(const char*& lsrc, int& data, int& size) { | |
| 1344 data = read_little_endian_short(lsrc) & 0xffff; | |
| 1345 size = (data&0x0f) + 2; | |
| 1346 data = (data>>4); | |
| 1347 lsrc+= 2; | |
| 1348 } | |
| 1349 static void Copy1Pixel(const char*& lsrc, char*& ldest) { | |
| 1350 *ldest = *lsrc; | |
| 1351 ldest++; lsrc++; | |
| 1352 } | |
| 1353 static int IsRev(void) { return 1; } | |
| 0 | 1354 }; |
| 52 | 1355 |
|
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1356 /* ReadLive の type0 */ |
| 0 | 1357 class Extract_DataType_G00Type0 { |
| 52 | 1358 public: |
| 1359 static void ExtractData(const char*& lsrc, int& data, int& size) { | |
| 1360 data = read_little_endian_short(lsrc) & 0xffff; | |
| 1361 size = ((data & 0x0f)+ 1) * 3; | |
| 1362 data = (data>>4) * 3; | |
| 1363 lsrc += 2; | |
| 1364 } | |
| 1365 static void Copy1Pixel(const char*& lsrc, char*& ldest) { | |
| 0 | 1366 #ifdef WORDS_BIGENDIAN |
| 52 | 1367 ldest[0] = lsrc[0]; |
| 1368 ldest[1] = lsrc[1]; | |
| 1369 ldest[2] = lsrc[2]; | |
| 0 | 1370 #else /* LITTLE ENDIAN / intel architecture */ |
| 52 | 1371 *(int*)ldest = *(int*)lsrc; |
| 0 | 1372 #endif |
| 52 | 1373 lsrc += 3; ldest += 3; |
| 1374 } | |
| 1375 static int IsRev(void) { return 1; } | |
| 0 | 1376 }; |
| 1377 | |
| 1378 | |
| 1379 bool PDTCONV::Read(char* image) { | |
| 52 | 1380 if (data == NULL) return false; |
| 0 | 1381 |
| 1382 if (strncmp(data, "PDT10", 5) == 0) { | |
| 1383 if (! Read_PDT10(image)) return false; | |
| 1384 } else if (strncmp(data, "PDT11", 5) == 0) { | |
| 1385 if (! Read_PDT11(image)) return false; | |
| 1386 } | |
| 1387 if (! is_mask) return true; | |
|
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1388 // マスク読み込み |
| 0 | 1389 int mask_pt = read_little_endian_int(data + 0x1c); |
| 1390 char* buf = new char[width*height+1024]; | |
| 1391 const char* src = data + mask_pt; | |
| 1392 const char* srcend = data + datalen; | |
| 1393 char* dest = buf; | |
| 1394 char* destend = buf + width*height; | |
| 1395 while(lzExtract(Extract_DataType_Mask(), char(), src, dest, srcend, destend)) ; | |
| 1396 int i; int len = width*height; | |
| 1397 src = buf; dest = image; | |
| 1398 for (i=0; i<len; i++) { | |
| 1399 *(int*)dest |= int(*(unsigned char*)src) << 24; | |
| 1400 src++; | |
| 1401 dest += 4; | |
| 1402 } | |
| 1403 delete[] buf; | |
| 1404 return true; | |
| 1405 } | |
| 1406 | |
| 1407 | |
| 1408 bool PDTCONV::Read_PDT10(char* image) { | |
| 1409 int mask_pt = read_little_endian_int(data + 0x1c); | |
| 1410 | |
| 1411 const char* src = data + 0x20; | |
| 1412 const char* srcend; | |
| 1413 if (mask_pt == 0) srcend = data + datalen; | |
| 1414 else srcend = data + mask_pt; | |
| 1415 | |
| 1416 char* dest = image; | |
| 1417 char* destend; | |
| 1418 | |
| 1419 destend = image + width*height*4; | |
| 1420 while(lzExtract(Extract_DataType(), int(), src, dest, srcend, destend)) ; | |
| 1421 return true; | |
| 1422 } | |
| 52 | 1423 |
| 0 | 1424 bool PDTCONV::Read_PDT11(char* image) { |
| 1425 int index_table[16]; | |
| 1426 int color_table[256]; | |
| 1427 int i; | |
| 1428 for (i=0; i<16; i++) | |
| 1429 index_table[i] = read_little_endian_int(data + 0x420 + i*4); | |
| 1430 | |
| 1431 int mask_pt = read_little_endian_int(data + 0x1c); | |
| 1432 | |
| 1433 const char* src = data + 0x460; | |
| 1434 const char* srcend; | |
| 1435 if (mask_pt == 0) srcend = data + datalen; | |
| 1436 else srcend = data + mask_pt; | |
| 1437 | |
| 1438 char* dest = image; | |
| 1439 char* destend = image + width*height; | |
| 1440 | |
| 1441 while(lzExtract(Extract_DataType_PDT11(index_table), char(), src, dest, srcend, destend)) ; | |
| 1442 | |
| 1443 const char* cur = data + 0x20; | |
| 1444 for (i=0; i<256; i++) { | |
| 1445 color_table[i] = read_little_endian_int(cur); | |
| 1446 cur += 4; | |
| 1447 } | |
| 1448 src = image + width*height; | |
| 1449 int* desti = (int*)(image + width*height*4); | |
| 1450 while(desti != (int*)image) | |
| 1451 *--desti = color_table[*(unsigned char*)--src]; | |
| 1452 return true; | |
| 1453 } | |
| 1454 | |
|
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1455 /* dest は dest_end よりも 256 byte 以上先まで |
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1456 ** 書き込み可能であること。 |
| 0 | 1457 */ |
| 1458 void ARCINFO::Extract(char*& dest_start, char*& src_start, char* dest_end, char* src_end) { | |
| 1459 const char* src = src_start; | |
| 1460 while (lzExtract(Extract_DataType_ARC(), char(), src, dest_start, src_end, dest_end)) ; | |
| 1461 src_start = (char*)src; | |
| 1462 } | |
| 52 | 1463 |
| 0 | 1464 void ARCINFO::Extract2k(char*& dest_start, char*& src_start, char* dest_end, char* src_end) { |
| 1465 const char* src = src_start; | |
| 1466 while (lzExtract(Extract_DataType_SCN2k(), char(), src, dest_start, src_end, dest_end)) ; | |
| 1467 src_start = (char*)src; | |
| 1468 } | |
| 1469 | |
| 1470 bool ARCINFO_AVG32::ExecExtract(void) { | |
|
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1471 // ヘッダのチェック |
| 0 | 1472 if (strncmp(data, "PACK", 4) != 0) return false; |
| 1473 if (read_little_endian_int(data+8) != info.filesize) return false; | |
| 1474 if (read_little_endian_int(data+12) != info.arcsize) return false; | |
| 1475 | |
|
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1476 // ファイルを展開する |
| 0 | 1477 char* ret_data = new char[info.filesize+1024]; |
| 1478 | |
| 1479 const char* s = data + 0x10; | |
| 1480 const char* send = data + info.arcsize; | |
| 1481 char* d = ret_data; | |
| 1482 char* dend = ret_data + info.filesize; | |
| 1483 while(lzExtract(Extract_DataType_ARC(), char(), s, d, send, dend)) ; | |
| 1484 if (! use_mmap) delete[] data; | |
| 1485 data = ret_data; | |
| 1486 return true; | |
| 1487 } | |
| 1488 | |
| 1489 char ARCINFO2k::decode_seed[256] ={ | |
| 1490 0x8b ,0xe5 ,0x5d ,0xc3 ,0xa1 ,0xe0 ,0x30 ,0x44 ,0x00 ,0x85 ,0xc0 ,0x74 ,0x09 ,0x5f ,0x5e ,0x33 | |
| 1491 ,0xc0 ,0x5b ,0x8b ,0xe5 ,0x5d ,0xc3 ,0x8b ,0x45 ,0x0c ,0x85 ,0xc0 ,0x75 ,0x14 ,0x8b ,0x55 ,0xec | |
| 1492 ,0x83 ,0xc2 ,0x20 ,0x52 ,0x6a ,0x00 ,0xe8 ,0xf5 ,0x28 ,0x01 ,0x00 ,0x83 ,0xc4 ,0x08 ,0x89 ,0x45 | |
| 1493 ,0x0c ,0x8b ,0x45 ,0xe4 ,0x6a ,0x00 ,0x6a ,0x00 ,0x50 ,0x53 ,0xff ,0x15 ,0x34 ,0xb1 ,0x43 ,0x00 | |
| 1494 ,0x8b ,0x45 ,0x10 ,0x85 ,0xc0 ,0x74 ,0x05 ,0x8b ,0x4d ,0xec ,0x89 ,0x08 ,0x8a ,0x45 ,0xf0 ,0x84 | |
| 1495 ,0xc0 ,0x75 ,0x78 ,0xa1 ,0xe0 ,0x30 ,0x44 ,0x00 ,0x8b ,0x7d ,0xe8 ,0x8b ,0x75 ,0x0c ,0x85 ,0xc0 | |
| 1496 ,0x75 ,0x44 ,0x8b ,0x1d ,0xd0 ,0xb0 ,0x43 ,0x00 ,0x85 ,0xff ,0x76 ,0x37 ,0x81 ,0xff ,0x00 ,0x00 | |
| 1497 ,0x04 ,0x00 ,0x6a ,0x00 ,0x76 ,0x43 ,0x8b ,0x45 ,0xf8 ,0x8d ,0x55 ,0xfc ,0x52 ,0x68 ,0x00 ,0x00 | |
| 1498 ,0x04 ,0x00 ,0x56 ,0x50 ,0xff ,0x15 ,0x2c ,0xb1 ,0x43 ,0x00 ,0x6a ,0x05 ,0xff ,0xd3 ,0xa1 ,0xe0 | |
| 1499 ,0x30 ,0x44 ,0x00 ,0x81 ,0xef ,0x00 ,0x00 ,0x04 ,0x00 ,0x81 ,0xc6 ,0x00 ,0x00 ,0x04 ,0x00 ,0x85 | |
| 1500 ,0xc0 ,0x74 ,0xc5 ,0x8b ,0x5d ,0xf8 ,0x53 ,0xe8 ,0xf4 ,0xfb ,0xff ,0xff ,0x8b ,0x45 ,0x0c ,0x83 | |
| 1501 ,0xc4 ,0x04 ,0x5f ,0x5e ,0x5b ,0x8b ,0xe5 ,0x5d ,0xc3 ,0x8b ,0x55 ,0xf8 ,0x8d ,0x4d ,0xfc ,0x51 | |
| 1502 ,0x57 ,0x56 ,0x52 ,0xff ,0x15 ,0x2c ,0xb1 ,0x43 ,0x00 ,0xeb ,0xd8 ,0x8b ,0x45 ,0xe8 ,0x83 ,0xc0 | |
| 1503 ,0x20 ,0x50 ,0x6a ,0x00 ,0xe8 ,0x47 ,0x28 ,0x01 ,0x00 ,0x8b ,0x7d ,0xe8 ,0x89 ,0x45 ,0xf4 ,0x8b | |
| 1504 ,0xf0 ,0xa1 ,0xe0 ,0x30 ,0x44 ,0x00 ,0x83 ,0xc4 ,0x08 ,0x85 ,0xc0 ,0x75 ,0x56 ,0x8b ,0x1d ,0xd0 | |
| 1505 ,0xb0 ,0x43 ,0x00 ,0x85 ,0xff ,0x76 ,0x49 ,0x81 ,0xff ,0x00 ,0x00 ,0x04 ,0x00 ,0x6a ,0x00 ,0x76}; | |
| 30 | 1506 |
| 0 | 1507 |
| 1508 bool ARCINFO2k::ExecExtract(void) { | |
| 1509 int i; | |
| 1510 char* ret_data = new char[info.filesize + 1024]; | |
| 1511 char* decoded_data = new char[info.arcsize + 1024]; | |
| 1512 | |
|
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1513 /* header のコピー */ |
| 0 | 1514 memcpy(ret_data, data, info.private_data); |
| 1515 | |
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1516 /* まず、xor の暗号化を解く */ |
| 0 | 1517 const char* s; const char* send; |
| 1518 char* d; char* dend; | |
| 1519 | |
| 1520 s = data + info.private_data; | |
| 1521 send = data + info.arcsize; | |
| 1522 d = decoded_data + info.private_data; | |
| 1523 dend = decoded_data + info.arcsize; | |
| 1524 i = 0; | |
| 1525 while(s != send) | |
| 1526 *d++ = *s++ ^ decode_seed[(i++)&0xff]; | |
| 1527 | |
| 1528 if (info.filesize == info.arcsize) { | |
| 1529 memcpy(ret_data+info.private_data, decoded_data + info.private_data + 8, info.arcsize - info.private_data - 8); | |
| 1530 } else { | |
|
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1531 /* 圧縮されているなら、それを展開 */ |
| 0 | 1532 s = (const char*)(decoded_data + info.private_data + 8); |
| 1533 send = (const char*)(decoded_data + info.arcsize); | |
| 1534 d = ret_data + info.private_data; | |
| 1535 dend = ret_data + info.filesize; | |
| 1536 while(lzExtract(Extract_DataType_SCN2k(), char(), s, d, send, dend)) ; | |
| 1537 } | |
| 1538 if (read_little_endian_int(data+4) == 0x1adb2) { // Little Busters! | |
|
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1539 const char *decode_key = KeyHolder::GetInstance()->GetKey(); |
| 0 | 1540 int header_size = info.private_data; |
| 1541 for (i=0x100; i<=0x200 && header_size+i < info.filesize; i++) { | |
| 30 | 1542 ret_data[header_size+i] ^= decode_key[i&0x0f]; |
| 0 | 1543 } |
| 1544 } | |
| 1545 delete[] decoded_data; | |
| 1546 if (! use_mmap) delete[] data; | |
| 1547 data = ret_data; | |
| 1548 return true; | |
| 1549 } | |
| 1550 | |
| 1551 bool G00CONV::Read_Type0(char* image) { | |
| 1552 int uncompress_size = read_little_endian_int(data+9); | |
| 1553 char* uncompress_data = new char[uncompress_size+1024]; | |
| 1554 | |
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1555 // まず展開 |
| 0 | 1556 const char* src = data + 13; |
| 1557 const char* srcend = data + datalen; | |
| 1558 char* dest = uncompress_data; | |
| 1559 char* dstend = uncompress_data + uncompress_size; | |
|
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1560 while(lzExtract(Extract_DataType_G00Type0(), char(), src, dest, srcend, dstend)){}; |
|
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1561 // image にコピー |
| 0 | 1562 CopyRGB(image, uncompress_data); |
| 1563 delete[] uncompress_data; | |
| 1564 return true; | |
| 1565 } | |
| 52 | 1566 |
| 0 | 1567 bool G00CONV::Read_Type1(char* image) { |
| 1568 int i; | |
| 1569 int uncompress_size = read_little_endian_int(data+9) + 1; | |
| 1570 char* uncompress_data = new char[uncompress_size + 1024]; | |
| 1571 | |
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1572 // まず、展開 |
| 0 | 1573 const char* src = data + 13; |
| 1574 const char* srcend = data + datalen; | |
| 1575 char* dest = uncompress_data; | |
| 1576 char* destend = uncompress_data + uncompress_size; | |
| 1577 | |
|
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|
1578 while(lzExtract(Extract_DataType_SCN2k(), char(), src, dest, srcend, destend)){}; |
| 0 | 1579 |
| 1580 int colortable[256]; | |
| 1581 memset(colortable, 0, sizeof(int)*256); | |
| 1582 int colortable_len = read_little_endian_short(uncompress_data); | |
| 1583 if (colortable_len > 256) colortable_len = 256; | |
| 1584 if (colortable_len < 0) colortable_len = 0; | |
| 1585 for (i=0; i<colortable_len; i++) { | |
| 1586 colortable[i] = read_little_endian_int(uncompress_data+2+i*4); | |
| 1587 } | |
| 1588 src = uncompress_data + 2 + read_little_endian_short(uncompress_data)*4; | |
| 1589 srcend = uncompress_data + uncompress_size; | |
| 1590 dest = image; destend = image + width*height*4; | |
| 1591 while(dest < destend && src < srcend) { | |
| 1592 *(int*)dest = colortable[*(unsigned char*)src]; | |
| 1593 dest += 4; src ++; | |
| 1594 } | |
| 1595 delete[] uncompress_data; | |
| 1596 return true; | |
| 1597 } | |
| 1598 | |
| 1599 bool G00CONV::Read_Type2(char* image) { | |
| 1600 memset(image, 0, width*height*4); | |
|
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1601 /* 分割領域を得る */ |
| 0 | 1602 int region_deal = read_little_endian_int(data+5); |
| 1603 REGION* region_table = new REGION[region_deal]; | |
| 1604 | |
| 1605 const char* head = data + 9; | |
| 1606 int i; for (i=0; i<region_deal; i++) { | |
| 1607 region_table[i].x1 = read_little_endian_int(head+0); | |
| 1608 region_table[i].y1 = read_little_endian_int(head+4); | |
| 1609 region_table[i].x2 = read_little_endian_int(head+8); | |
| 1610 region_table[i].y2 = read_little_endian_int(head+12); | |
| 1611 region_table[i].Fix(width, height); | |
| 1612 head += 24; | |
| 1613 } | |
| 1614 | |
|
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1615 // 展開 |
| 0 | 1616 int uncompress_size = read_little_endian_int(head+4); |
| 1617 char* uncompress_data = new char[uncompress_size + 1024]; | |
| 1618 | |
| 1619 const char* src = head + 8; | |
| 1620 const char* srcend = data + datalen; | |
| 1621 char* dest = uncompress_data; | |
| 1622 char* destend = uncompress_data + uncompress_size; | |
|
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1623 while(lzExtract(Extract_DataType_SCN2k(), char(), src, dest, srcend, destend)){}; |
| 0 | 1624 |
|
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1625 /* region_deal2 == region_deal のはず……*/ |
| 0 | 1626 int region_deal2 = read_little_endian_int(uncompress_data); |
| 1627 if (region_deal > region_deal2) region_deal = region_deal2; | |
| 1628 | |
| 1629 for (i=0; i < region_deal; i++) { | |
| 1630 int offset = read_little_endian_int(uncompress_data + i*8 + 4); | |
| 1631 int length = read_little_endian_int(uncompress_data + i*8 + 8); | |
| 1632 src = (const char*)(uncompress_data + offset + 0x74); | |
| 1633 srcend = (const char*)(uncompress_data + offset + length); | |
| 1634 while(src < srcend) { | |
| 1635 int x, y, w, h; | |
|
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1636 /* コピーする領域を得る */ |
| 0 | 1637 x = read_little_endian_short(src); |
| 1638 y = read_little_endian_short(src+2); | |
| 1639 w = read_little_endian_short(src+6); | |
| 1640 h = read_little_endian_short(src+8); | |
| 1641 src += 0x5c; | |
| 1642 | |
| 1643 x += region_table[i].x1; | |
| 1644 y += region_table[i].y1; | |
| 1645 | |
| 1646 Copy_32bpp(image, x, y, src, w*4, h); | |
| 1647 | |
| 1648 src += w*h*4; | |
| 1649 } | |
| 1650 } | |
| 1651 delete[] uncompress_data; | |
| 7 | 1652 delete[] region_table; |
| 0 | 1653 return true; |
| 1654 } | |
| 1655 | |
| 1656 void G00CONV::Copy_32bpp(char* image, int x, int y, const char* src, int bpl, int h) { | |
| 1657 int i; | |
| 1658 int* dest = (int*)(image + x*4 + y*4*width); | |
| 1659 int w = bpl / 4; | |
| 1660 for (i=0; i<h; i++) { | |
| 1661 const char* s = src; | |
| 1662 int* d = dest; | |
| 1663 int j; for (j=0; j<w; j++) { | |
| 1664 *d++ = read_little_endian_int(s); | |
| 1665 s += 4; | |
| 1666 } | |
| 1667 src += bpl; dest += width; | |
| 1668 } | |
| 1669 } | |
| 1670 | |
| 1671 void GRPCONV::CopyRGBA_rev(char* image, const char* buf) { | |
| 1672 int mask = is_mask ? 0 : 0xff000000; | |
|
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1673 /* 色変換を行う */ |
| 0 | 1674 int len = width * height; |
| 1675 int i; | |
| 1676 unsigned char* s = (unsigned char*)buf; | |
| 1677 int* d = (int*)image; | |
| 1678 for(i=0; i<len; i++) { | |
| 1679 *d = (int(s[2])) | (int(s[1])<<8) | (int(s[0])<<16) | (int(s[3])<<24) | mask; | |
| 1680 d++; s += 4; | |
| 1681 } | |
| 1682 } | |
| 1683 | |
| 1684 void GRPCONV::CopyRGBA(char* image, const char* buf) { | |
| 1685 if (!is_mask) { | |
| 1686 CopyRGB(image, buf); | |
| 1687 return; | |
| 1688 } | |
|
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1689 /* 色変換を行う */ |
| 0 | 1690 int len = width * height; |
| 1691 int i; | |
| 1692 int* outbuf = (int*)image; | |
| 1693 for(i=0; i<len; i++) { | |
| 1694 *outbuf++ = read_little_endian_int(buf); | |
| 1695 buf += 4; | |
| 1696 } | |
| 1697 } | |
| 52 | 1698 |
| 0 | 1699 void GRPCONV::CopyRGB(char* image, const char* buf) { |
|
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1700 /* 色変換を行う */ |
| 0 | 1701 int len = width * height; |
| 1702 int i; | |
| 1703 unsigned char* s = (unsigned char*)buf; | |
| 1704 int* d = (int*)image; | |
| 1705 for(i=0; i<len; i++) { | |
| 1706 *d = (int(s[0])) | (int(s[1])<<8) | (int(s[2])<<16) | 0xff000000; | |
| 1707 d++; s+=3; | |
| 1708 } | |
| 1709 } | |
| 1710 | |
| 1711 #if HAVE_LIBPNG | |
| 1712 PNGCONV::PNGCONV(const char* _inbuf, int _inlen, const char* _filename) { | |
| 1713 int w,h,type; | |
| 52 | 1714 png_structp png_ptr = NULL; |
| 1715 png_infop info_ptr = NULL; | |
| 1716 png_infop end_info = NULL; | |
| 0 | 1717 |
| 1718 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0); | |
| 1719 if (!png_ptr) return; | |
| 1720 | |
| 1721 info_ptr = png_create_info_struct(png_ptr); | |
| 1722 if (!info_ptr) goto err; | |
| 1723 | |
| 1724 end_info = png_create_info_struct(png_ptr); | |
| 1725 if (!end_info) goto err; | |
| 1726 | |
| 1727 if (setjmp(png_jmpbuf(png_ptr))) { | |
| 1728 /* error occured !! */ | |
| 1729 goto err; | |
| 1730 } | |
| 1731 | |
| 1732 /* initialize I/O */ | |
| 1733 png_data = _inbuf; | |
| 1734 png_set_read_fn(png_ptr, (png_voidp)this, &png_read); | |
| 1735 | |
| 1736 png_read_info(png_ptr, info_ptr); | |
| 1737 | |
| 1738 w = png_get_image_width(png_ptr, info_ptr); | |
| 1739 h = png_get_image_height(png_ptr, info_ptr); | |
| 1740 type = png_get_color_type(png_ptr, info_ptr); | |
| 1741 | |
| 1742 if (type == PNG_COLOR_TYPE_GRAY || type == PNG_COLOR_TYPE_GRAY_ALPHA) goto err; // not supported | |
| 1743 | |
| 1744 Init(filename, _inbuf, _inlen, w, h, type == PNG_COLOR_TYPE_RGB_ALPHA ? true : false); | |
| 1745 | |
| 1746 err: | |
| 1747 if (png_ptr) { | |
| 1748 if (end_info) | |
| 1749 png_destroy_read_struct(&png_ptr, &info_ptr,&end_info); | |
| 1750 else if (info_ptr) | |
| 1751 png_destroy_read_struct(&png_ptr, &info_ptr,(png_infopp)0); | |
| 1752 else | |
| 1753 png_destroy_read_struct(&png_ptr, (png_infopp) 0,(png_infopp)0); | |
| 1754 } | |
| 1755 } | |
| 1756 | |
| 1757 bool PNGCONV::Read(char* image) { | |
| 52 | 1758 if (data == NULL) return false; |
| 0 | 1759 bool retcode = false; |
| 1760 int bpp = is_mask ? 4 : 3; | |
| 1761 int i; | |
| 1762 char* buf; | |
| 52 | 1763 png_bytepp row_pointers = NULL; |
| 0 | 1764 |
| 52 | 1765 png_structp png_ptr = NULL; |
| 1766 png_infop info_ptr = NULL; | |
| 1767 png_infop end_info = NULL; | |
| 0 | 1768 |
| 1769 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0); | |
| 1770 if (!png_ptr) goto err; | |
| 1771 info_ptr = png_create_info_struct(png_ptr); | |
| 1772 if (!info_ptr) goto err; | |
| 1773 end_info = png_create_info_struct(png_ptr); | |
| 1774 if (!end_info) goto err; | |
| 1775 | |
| 1776 if (setjmp(png_jmpbuf(png_ptr))) { | |
| 1777 /* error occured !! */ | |
| 1778 goto err; | |
| 1779 } | |
| 1780 | |
| 1781 buf= new char[width*height*4]; | |
| 1782 /* initialize I/O */ | |
| 1783 png_data = data; | |
| 1784 png_set_read_fn(png_ptr, (png_voidp)this, &png_read); | |
| 1785 | |
| 1786 row_pointers = (png_bytepp)png_malloc(png_ptr, height*sizeof(png_bytep)); | |
| 1787 for (i=0; i<height; i++) row_pointers[i] = (png_bytep)(buf + width*bpp*i); | |
| 1788 png_set_rows(png_ptr, info_ptr, row_pointers); | |
| 1789 | |
| 1790 png_read_png(png_ptr, info_ptr, | |
| 1791 PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_EXPAND | PNG_TRANSFORM_PACKING | PNG_TRANSFORM_BGR,0); | |
| 1792 | |
| 1793 if (buf != image) { | |
| 1794 CopyRGBA(image, buf); | |
| 1795 delete[] buf; | |
| 1796 } | |
| 1797 png_free(png_ptr, (png_voidp)row_pointers); | |
| 1798 | |
| 1799 retcode = true; | |
| 1800 err: | |
| 1801 if (png_ptr) { | |
| 1802 if (end_info) | |
| 1803 png_destroy_read_struct(&png_ptr, &info_ptr,&end_info); | |
| 1804 else if (info_ptr) | |
| 1805 png_destroy_read_struct(&png_ptr, &info_ptr,(png_infopp)0); | |
| 1806 else | |
| 1807 png_destroy_read_struct(&png_ptr, (png_infopp) 0,(png_infopp)0); | |
| 1808 } | |
| 1809 return retcode; | |
| 1810 } | |
| 1811 | |
| 1812 void PNGCONV::png_read(png_structp png_ptr, png_bytep d, png_size_t sz) { | |
| 1813 PNGCONV* orig = (PNGCONV*)png_get_io_ptr(png_ptr); | |
| 1814 memcpy(d, orig->png_data, sz); | |
| 1815 orig->png_data += sz; | |
| 1816 } | |
| 1817 #endif /* HAVE_LIBPNG */ | |
| 1818 | |
| 1819 #if HAVE_LIBJPEG | |
| 1820 JPEGCONV::JPEGCONV(const char* _inbuf, int _inlen, const char* _filename) { | |
| 1821 struct jpeg_decompress_struct cinfo; | |
| 1822 struct jpeg_error_mgr jerr; | |
| 1823 cinfo.err = jpeg_std_error(&jerr); | |
| 1824 jpeg_create_decompress(&cinfo); | |
| 1825 cinfo.src = new jpeg_source_mgr; | |
| 1826 SetupSrc(&cinfo, _inbuf, _inlen); | |
| 1827 | |
| 1828 if (jpeg_read_header(&cinfo, TRUE) == JPEG_HEADER_OK) { | |
| 1829 Init(filename, _inbuf, _inlen, cinfo.image_width, cinfo.image_height, false); | |
| 1830 } | |
| 1831 delete cinfo.src; | |
| 52 | 1832 cinfo.src = NULL; |
| 0 | 1833 jpeg_destroy_decompress(&cinfo); |
| 1834 } | |
| 1835 | |
| 1836 bool JPEGCONV::Read(char* image) { | |
| 52 | 1837 if (data == NULL) return false; |
| 0 | 1838 bool retcode = false; |
| 52 | 1839 JSAMPARRAY rows, rows_orig; |
| 1840 int i; | |
| 1841 char* buf = NULL; | |
| 0 | 1842 |
| 1843 struct jpeg_decompress_struct cinfo; | |
| 1844 struct jpeg_error_mgr jerr; | |
| 1845 cinfo.err = jpeg_std_error(&jerr); | |
| 1846 jpeg_create_decompress(&cinfo); | |
| 1847 cinfo.src = new jpeg_source_mgr; | |
| 1848 SetupSrc(&cinfo, data, datalen); | |
| 1849 | |
| 1850 if (jpeg_read_header(&cinfo, TRUE) != JPEG_HEADER_OK) goto err; | |
| 1851 | |
| 1852 cinfo.out_color_space = JCS_RGB; | |
| 1853 | |
| 1854 jpeg_start_decompress(&cinfo); | |
| 1855 | |
| 1856 rows = new JSAMPROW[height]; | |
| 1857 rows_orig = rows; | |
| 1858 buf = new char[width*height*3]; | |
| 1859 for (i=0; i<height; i++) rows[i] = (JSAMPROW)(buf+width*3*i); | |
| 1860 | |
| 1861 for (i=0; i<height; ) { | |
| 1862 int cnt = jpeg_read_scanlines(&cinfo, rows, height-i); | |
| 1863 rows += cnt; | |
| 1864 i += cnt; | |
| 1865 } | |
| 1866 delete[] rows_orig; | |
| 1867 CopyRGBA_rev(image, buf); | |
| 1868 delete[] buf; | |
| 1869 | |
| 1870 jpeg_finish_decompress(&cinfo); | |
| 1871 retcode = true; | |
| 1872 err: | |
| 1873 delete cinfo.src; | |
| 52 | 1874 cinfo.src = NULL; |
| 0 | 1875 jpeg_destroy_decompress(&cinfo); |
| 1876 return retcode; | |
| 1877 } | |
| 1878 | |
| 1879 void JPEGCONV::init_source(j_decompress_ptr cinfo) { | |
| 1880 } | |
| 52 | 1881 |
| 0 | 1882 boolean JPEGCONV::fill_input_buffer(j_decompress_ptr cinfo) { |
| 1883 static char dummy[1024]; | |
| 1884 memset(dummy, 0, 1024); | |
| 1885 cinfo->src->next_input_byte = (const JOCTET*)dummy; | |
| 1886 cinfo->src->bytes_in_buffer = 1024; | |
| 1887 fprintf(stderr,"JPEGCONV::fill_input_buffer: warning corrupted jpeg stream\n"); | |
| 1888 return TRUE; | |
| 1889 } | |
| 52 | 1890 |
| 0 | 1891 void JPEGCONV::skip_input_data(j_decompress_ptr cinfo, long num_bytes) { |
| 1892 if (cinfo->src->bytes_in_buffer > num_bytes) { | |
| 1893 cinfo->src->next_input_byte += num_bytes; | |
| 1894 cinfo->src->bytes_in_buffer -= num_bytes; | |
| 1895 } | |
| 1896 } | |
| 52 | 1897 |
| 0 | 1898 boolean JPEGCONV::resync_to_restart(j_decompress_ptr cinfo, int desired) { |
| 1899 return jpeg_resync_to_restart(cinfo, desired); | |
| 1900 } | |
| 52 | 1901 |
| 0 | 1902 void JPEGCONV::term_source(j_decompress_ptr cinf) { |
| 1903 } | |
| 1904 | |
| 1905 void JPEGCONV::SetupSrc(struct jpeg_decompress_struct* cinfo, const char* data, int size) { | |
| 1906 cinfo->src->next_input_byte = (const JOCTET*) data; | |
| 1907 cinfo->src->bytes_in_buffer = size; | |
| 1908 cinfo->src->init_source = init_source; | |
| 1909 cinfo->src->fill_input_buffer = fill_input_buffer; | |
| 1910 cinfo->src->skip_input_data = skip_input_data; | |
| 1911 cinfo->src->resync_to_restart = resync_to_restart; | |
| 1912 cinfo->src->term_source = term_source; | |
| 1913 } | |
| 52 | 1914 |
| 0 | 1915 #endif /* HAVE_LIBJPEG */ |
| 1916 BMPCONV::BMPCONV(const char* _inbuf, int _inlen, const char* _filename) { | |
|
65
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Convert EUC-JP files to UTF8
Thibaut Girka <thib@sitedethib.com>
parents:
53
diff
changeset
|
1917 /* データから情報読み込み */ |
| 0 | 1918 int w = read_little_endian_int(_inbuf + 0x12); |
| 1919 int h = read_little_endian_int(_inbuf + 0x16); | |
| 1920 if (h < 0) h = -h; | |
| 1921 int bpp = read_little_endian_short(_inbuf + 0x1c); | |
| 1922 int comp = read_little_endian_int(_inbuf + 0x1e); | |
| 1923 Init(filename, _inbuf, _inlen, w, h, bpp==32 ? true : false); | |
| 1924 } | |
| 1925 | |
| 1926 bool BMPCONV::Read(char* image) { | |
| 52 | 1927 if (data == NULL) return false; |
| 0 | 1928 |
|
65
4416cfac86ae
Convert EUC-JP files to UTF8
Thibaut Girka <thib@sitedethib.com>
parents:
53
diff
changeset
|
1929 /* マスクのチェック */ |
| 0 | 1930 int bpp = read_little_endian_short(data+0x1c); |
| 1931 int h = read_little_endian_int(data + 0x16); | |
| 1932 int dsz = read_little_endian_int(data + 0x22); | |
| 1933 bpp /= 8; | |
| 1934 | |
| 1935 int bpl = dsz / height; | |
| 1936 if (bpl == 0) bpl = bpp*width; | |
| 1937 bpl = bpp * width; | |
| 1938 bpl = (bpl+3) & (~3); | |
| 1939 | |
| 1940 | |
| 1941 int i; | |
| 1942 char* buf = new char[width*height*bpp+1024]; | |
| 1943 const char* src = data + 0x36; | |
| 1944 char* dest = buf; | |
| 1945 if (h < 0) { | |
| 1946 for (i=0; i<height; i++) { | |
| 1947 memcpy(dest+i*width*bpp, src+i*bpl, width*bpp); | |
| 1948 } | |
| 1949 } else { | |
| 1950 for (i=0; i<height; i++) { | |
| 1951 memcpy(dest+i*width*bpp, src+(height-i-1)*bpl, width*bpp); | |
| 1952 } | |
| 1953 } | |
| 1954 if (bpp == 3) CopyRGB(image, buf); | |
| 1955 else /* bpp == 4 */ CopyRGBA(image, buf); | |
| 1956 delete[] buf; | |
| 1957 return true; | |
| 1958 } | |
| 1959 |