diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_zip.c')
-rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_zip.c | 209 |
1 files changed, 133 insertions, 76 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_zip.c b/src/3rdparty/libtiff/libtiff/tif_zip.c index 38a5773..f5aa2a9 100644 --- a/src/3rdparty/libtiff/libtiff/tif_zip.c +++ b/src/3rdparty/libtiff/libtiff/tif_zip.c @@ -1,4 +1,4 @@ -/* $Id: tif_zip.c,v 1.11.2.3 2007/11/22 21:24:51 fwarmerdam Exp $ */ +/* $Id: tif_zip.c,v 1.31 2011-01-06 16:00:23 fwarmerdam Exp $ */ /* * Copyright (c) 1995-1997 Sam Leffler @@ -65,41 +65,48 @@ * State block for each open TIFF * file using ZIP compression/decompression. */ -typedef struct { +typedef struct { TIFFPredictorState predict; - z_stream stream; - int zipquality; /* compression level */ - int state; /* state flags */ + z_stream stream; + int zipquality; /* compression level */ + int state; /* state flags */ #define ZSTATE_INIT_DECODE 0x01 #define ZSTATE_INIT_ENCODE 0x02 - TIFFVGetMethod vgetparent; /* super-class method */ - TIFFVSetMethod vsetparent; /* super-class method */ + TIFFVGetMethod vgetparent; /* super-class method */ + TIFFVSetMethod vsetparent; /* super-class method */ } ZIPState; -#define ZState(tif) ((ZIPState*) (tif)->tif_data) -#define DecoderState(tif) ZState(tif) -#define EncoderState(tif) ZState(tif) +#define ZState(tif) ((ZIPState*) (tif)->tif_data) +#define DecoderState(tif) ZState(tif) +#define EncoderState(tif) ZState(tif) -static int ZIPEncode(TIFF*, tidata_t, tsize_t, tsample_t); -static int ZIPDecode(TIFF*, tidata_t, tsize_t, tsample_t); +static int ZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s); +static int ZIPDecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s); + +static int +ZIPFixupTags(TIFF* tif) +{ + (void) tif; + return (1); +} static int ZIPSetupDecode(TIFF* tif) { - ZIPState* sp = DecoderState(tif); static const char module[] = "ZIPSetupDecode"; + ZIPState* sp = DecoderState(tif); assert(sp != NULL); /* if we were last encoding, terminate this mode */ if (sp->state & ZSTATE_INIT_ENCODE) { - deflateEnd(&sp->stream); - sp->state = 0; - } + deflateEnd(&sp->stream); + sp->state = 0; + } if (inflateInit(&sp->stream) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: %s", tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "%s", sp->stream.msg); return (0); } else { sp->state |= ZSTATE_INIT_DECODE; @@ -111,74 +118,100 @@ ZIPSetupDecode(TIFF* tif) * Setup state for decoding a strip. */ static int -ZIPPreDecode(TIFF* tif, tsample_t s) +ZIPPreDecode(TIFF* tif, uint16 s) { + static const char module[] = "ZIPPreDecode"; ZIPState* sp = DecoderState(tif); (void) s; assert(sp != NULL); - if( (sp->state & ZSTATE_INIT_DECODE) == 0 ) + if( (sp->state & ZSTATE_INIT_DECODE) == 0 ) tif->tif_setupdecode( tif ); sp->stream.next_in = tif->tif_rawdata; - sp->stream.avail_in = tif->tif_rawcc; + assert(sizeof(sp->stream.avail_in)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_in = (uInt) tif->tif_rawcc; + if ((tmsize_t)sp->stream.avail_in != tif->tif_rawcc) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } return (inflateReset(&sp->stream) == Z_OK); } static int -ZIPDecode(TIFF* tif, tidata_t op, tsize_t occ, tsample_t s) +ZIPDecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s) { - ZIPState* sp = DecoderState(tif); static const char module[] = "ZIPDecode"; + ZIPState* sp = DecoderState(tif); (void) s; assert(sp != NULL); - assert(sp->state == ZSTATE_INIT_DECODE); + assert(sp->state == ZSTATE_INIT_DECODE); + sp->stream.next_in = tif->tif_rawcp; + sp->stream.avail_in = (uInt) tif->tif_rawcc; + sp->stream.next_out = op; - sp->stream.avail_out = occ; + assert(sizeof(sp->stream.avail_out)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_out = (uInt) occ; + if ((tmsize_t)sp->stream.avail_out != occ) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } do { int state = inflate(&sp->stream, Z_PARTIAL_FLUSH); if (state == Z_STREAM_END) break; if (state == Z_DATA_ERROR) { TIFFErrorExt(tif->tif_clientdata, module, - "%s: Decoding error at scanline %d, %s", - tif->tif_name, tif->tif_row, sp->stream.msg); + "Decoding error at scanline %lu, %s", + (unsigned long) tif->tif_row, sp->stream.msg); if (inflateSync(&sp->stream) != Z_OK) return (0); continue; } if (state != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: zlib error: %s", - tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", + sp->stream.msg); return (0); } } while (sp->stream.avail_out > 0); if (sp->stream.avail_out != 0) { TIFFErrorExt(tif->tif_clientdata, module, - "%s: Not enough data at scanline %d (short %d bytes)", - tif->tif_name, tif->tif_row, sp->stream.avail_out); + "Not enough data at scanline %lu (short " TIFF_UINT64_FORMAT " bytes)", + (unsigned long) tif->tif_row, (TIFF_UINT64_T) sp->stream.avail_out); return (0); } + + tif->tif_rawcp = sp->stream.next_in; + tif->tif_rawcc = sp->stream.avail_in; + return (1); } static int ZIPSetupEncode(TIFF* tif) { - ZIPState* sp = EncoderState(tif); static const char module[] = "ZIPSetupEncode"; + ZIPState* sp = EncoderState(tif); assert(sp != NULL); if (sp->state & ZSTATE_INIT_DECODE) { - inflateEnd(&sp->stream); - sp->state = 0; - } + inflateEnd(&sp->stream); + sp->state = 0; + } if (deflateInit(&sp->stream, sp->zipquality) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: %s", tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "%s", sp->stream.msg); return (0); } else { sp->state |= ZSTATE_INIT_ENCODE; @@ -190,17 +223,27 @@ ZIPSetupEncode(TIFF* tif) * Reset encoding state at the start of a strip. */ static int -ZIPPreEncode(TIFF* tif, tsample_t s) +ZIPPreEncode(TIFF* tif, uint16 s) { + static const char module[] = "ZIPPreEncode"; ZIPState *sp = EncoderState(tif); (void) s; assert(sp != NULL); - if( sp->state != ZSTATE_INIT_ENCODE ) + if( sp->state != ZSTATE_INIT_ENCODE ) tif->tif_setupencode( tif ); sp->stream.next_out = tif->tif_rawdata; + assert(sizeof(sp->stream.avail_out)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ sp->stream.avail_out = tif->tif_rawdatasize; + if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } return (deflateReset(&sp->stream) == Z_OK); } @@ -208,28 +251,37 @@ ZIPPreEncode(TIFF* tif, tsample_t s) * Encode a chunk of pixels. */ static int -ZIPEncode(TIFF* tif, tidata_t bp, tsize_t cc, tsample_t s) +ZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) { - ZIPState *sp = EncoderState(tif); static const char module[] = "ZIPEncode"; + ZIPState *sp = EncoderState(tif); - assert(sp != NULL); - assert(sp->state == ZSTATE_INIT_ENCODE); + assert(sp != NULL); + assert(sp->state == ZSTATE_INIT_ENCODE); (void) s; sp->stream.next_in = bp; - sp->stream.avail_in = cc; + assert(sizeof(sp->stream.avail_in)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_in = (uInt) cc; + if ((tmsize_t)sp->stream.avail_in != cc) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } do { if (deflate(&sp->stream, Z_NO_FLUSH) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: Encoder error: %s", - tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "Encoder error: %s", + sp->stream.msg); return (0); } if (sp->stream.avail_out == 0) { tif->tif_rawcc = tif->tif_rawdatasize; TIFFFlushData1(tif); sp->stream.next_out = tif->tif_rawdata; - sp->stream.avail_out = tif->tif_rawdatasize; + sp->stream.avail_out = (uInt) tif->tif_rawdatasize; /* this is a safe typecast, as check is made already in ZIPPreEncode */ } } while (sp->stream.avail_in > 0); return (1); @@ -242,8 +294,8 @@ ZIPEncode(TIFF* tif, tidata_t bp, tsize_t cc, tsample_t s) static int ZIPPostEncode(TIFF* tif) { - ZIPState *sp = EncoderState(tif); static const char module[] = "ZIPPostEncode"; + ZIPState *sp = EncoderState(tif); int state; sp->stream.avail_in = 0; @@ -252,19 +304,18 @@ ZIPPostEncode(TIFF* tif) switch (state) { case Z_STREAM_END: case Z_OK: - if ((int)sp->stream.avail_out != (int)tif->tif_rawdatasize) - { - tif->tif_rawcc = - tif->tif_rawdatasize - sp->stream.avail_out; - TIFFFlushData1(tif); - sp->stream.next_out = tif->tif_rawdata; - sp->stream.avail_out = tif->tif_rawdatasize; - } - break; + if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) + { + tif->tif_rawcc = tif->tif_rawdatasize - sp->stream.avail_out; + TIFFFlushData1(tif); + sp->stream.next_out = tif->tif_rawdata; + sp->stream.avail_out = (uInt) tif->tif_rawdatasize; /* this is a safe typecast, as check is made already in ZIPPreEncode */ + } + break; default: - TIFFErrorExt(tif->tif_clientdata, module, "%s: zlib error: %s", - tif->tif_name, sp->stream.msg); - return (0); + TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", + sp->stream.msg); + return (0); } } while (state != Z_STREAM_END); return (1); @@ -283,11 +334,11 @@ ZIPCleanup(TIFF* tif) tif->tif_tagmethods.vsetfield = sp->vsetparent; if (sp->state & ZSTATE_INIT_ENCODE) { - deflateEnd(&sp->stream); - sp->state = 0; - } else if( sp->state & ZSTATE_INIT_DECODE) { - inflateEnd(&sp->stream); - sp->state = 0; + deflateEnd(&sp->stream); + sp->state = 0; + } else if( sp->state & ZSTATE_INIT_DECODE) { + inflateEnd(&sp->stream); + sp->state = 0; } _TIFFfree(sp); tif->tif_data = NULL; @@ -296,19 +347,19 @@ ZIPCleanup(TIFF* tif) } static int -ZIPVSetField(TIFF* tif, ttag_t tag, va_list ap) +ZIPVSetField(TIFF* tif, uint32 tag, va_list ap) { - ZIPState* sp = ZState(tif); static const char module[] = "ZIPVSetField"; + ZIPState* sp = ZState(tif); switch (tag) { case TIFFTAG_ZIPQUALITY: - sp->zipquality = va_arg(ap, int); + sp->zipquality = (int) va_arg(ap, int); if ( sp->state&ZSTATE_INIT_ENCODE ) { if (deflateParams(&sp->stream, sp->zipquality, Z_DEFAULT_STRATEGY) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: zlib error: %s", - tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", + sp->stream.msg); return (0); } } @@ -320,7 +371,7 @@ ZIPVSetField(TIFF* tif, ttag_t tag, va_list ap) } static int -ZIPVGetField(TIFF* tif, ttag_t tag, va_list ap) +ZIPVGetField(TIFF* tif, uint32 tag, va_list ap) { ZIPState* sp = ZState(tif); @@ -334,9 +385,8 @@ ZIPVGetField(TIFF* tif, ttag_t tag, va_list ap) return (1); } -static const TIFFFieldInfo zipFieldInfo[] = { - { TIFFTAG_ZIPQUALITY, 0, 0, TIFF_ANY, FIELD_PSEUDO, - TRUE, FALSE, "" }, +static const TIFFField zipFields[] = { + { TIFFTAG_ZIPQUALITY, 0, 0, TIFF_ANY, 0, TIFF_SETGET_INT, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "", NULL }, }; int @@ -351,8 +401,7 @@ TIFFInitZIP(TIFF* tif, int scheme) /* * Merge codec-specific tag information. */ - if (!_TIFFMergeFieldInfo(tif, zipFieldInfo, - TIFFArrayCount(zipFieldInfo))) { + if (!_TIFFMergeFields(tif, zipFields, TIFFArrayCount(zipFields))) { TIFFErrorExt(tif->tif_clientdata, module, "Merging Deflate codec-specific tags failed"); return 0; @@ -361,7 +410,7 @@ TIFFInitZIP(TIFF* tif, int scheme) /* * Allocate state block so tag methods have storage to record values. */ - tif->tif_data = (tidata_t) _TIFFmalloc(sizeof (ZIPState)); + tif->tif_data = (uint8*) _TIFFmalloc(sizeof (ZIPState)); if (tif->tif_data == NULL) goto bad; sp = ZState(tif); @@ -385,11 +434,12 @@ TIFFInitZIP(TIFF* tif, int scheme) /* * Install codec methods. */ + tif->tif_fixuptags = ZIPFixupTags; tif->tif_setupdecode = ZIPSetupDecode; tif->tif_predecode = ZIPPreDecode; tif->tif_decoderow = ZIPDecode; tif->tif_decodestrip = ZIPDecode; - tif->tif_decodetile = ZIPDecode; + tif->tif_decodetile = ZIPDecode; tif->tif_setupencode = ZIPSetupEncode; tif->tif_preencode = ZIPPreEncode; tif->tif_postencode = ZIPPostEncode; @@ -410,3 +460,10 @@ bad: #endif /* ZIP_SUPORT */ /* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |