From d479dd1aab1c1cb907932c6595b0ef33523fc797 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Fri, 6 Nov 2015 07:14:47 +0100 Subject: Imported Upstream version 1.8.3 --- tiff/libtiff/tif_zip.c | 472 ------------------------------------------------- 1 file changed, 472 deletions(-) delete mode 100755 tiff/libtiff/tif_zip.c (limited to 'tiff/libtiff/tif_zip.c') diff --git a/tiff/libtiff/tif_zip.c b/tiff/libtiff/tif_zip.c deleted file mode 100755 index 22e9f35..0000000 --- a/tiff/libtiff/tif_zip.c +++ /dev/null @@ -1,472 +0,0 @@ -/* $Id: tif_zip.c,v 1.33 2014-12-25 18:29:11 erouault Exp $ */ - -/* - * Copyright (c) 1995-1997 Sam Leffler - * Copyright (c) 1995-1997 Silicon Graphics, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that (i) the above copyright notices and this permission notice appear in - * all copies of the software and related documentation, and (ii) the names of - * Sam Leffler and Silicon Graphics may not be used in any advertising or - * publicity relating to the software without the specific, prior written - * permission of Sam Leffler and Silicon Graphics. - * - * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, - * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY - * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. - * - * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR - * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, - * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF - * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -#include "tiffiop.h" -#ifdef ZIP_SUPPORT -/* - * TIFF Library. - * - * ZIP (aka Deflate) Compression Support - * - * This file is simply an interface to the zlib library written by - * Jean-loup Gailly and Mark Adler. You must use version 1.0 or later - * of the library: this code assumes the 1.0 API and also depends on - * the ability to write the zlib header multiple times (one per strip) - * which was not possible with versions prior to 0.95. Note also that - * older versions of this codec avoided this bug by suppressing the header - * entirely. This means that files written with the old library cannot - * be read; they should be converted to a different compression scheme - * and then reconverted. - * - * The data format used by the zlib library is described in the files - * zlib-3.1.doc, deflate-1.1.doc and gzip-4.1.doc, available in the - * directory ftp://ftp.uu.net/pub/archiving/zip/doc. The library was - * last found at ftp://ftp.uu.net/pub/archiving/zip/zlib/zlib-0.99.tar.gz. - */ -#include "tif_predict.h" -#include "zlib.h" - -#include - -/* - * Sigh, ZLIB_VERSION is defined as a string so there's no - * way to do a proper check here. Instead we guess based - * on the presence of #defines that were added between the - * 0.95 and 1.0 distributions. - */ -#if !defined(Z_NO_COMPRESSION) || !defined(Z_DEFLATED) -#error "Antiquated ZLIB software; you must use version 1.0 or later" -#endif - -#define SAFE_MSG(sp) ((sp)->stream.msg == NULL ? "" : (sp)->stream.msg) - -/* - * State block for each open TIFF - * file using ZIP compression/decompression. - */ -typedef struct { - TIFFPredictorState predict; - 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 */ -} ZIPState; - -#define ZState(tif) ((ZIPState*) (tif)->tif_data) -#define DecoderState(tif) ZState(tif) -#define EncoderState(tif) ZState(tif) - -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) -{ - 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; - } - - if (inflateInit(&sp->stream) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s", SAFE_MSG(sp)); - return (0); - } else { - sp->state |= ZSTATE_INIT_DECODE; - return (1); - } -} - -/* - * Setup state for decoding a strip. - */ -static int -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 ) - tif->tif_setupdecode( tif ); - - sp->stream.next_in = tif->tif_rawdata; - 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, uint8* op, tmsize_t occ, uint16 s) -{ - static const char module[] = "ZIPDecode"; - ZIPState* sp = DecoderState(tif); - - (void) s; - assert(sp != NULL); - 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; - 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, - "Decoding error at scanline %lu, %s", - (unsigned long) tif->tif_row, SAFE_MSG(sp)); - if (inflateSync(&sp->stream) != Z_OK) - return (0); - continue; - } - if (state != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, - "ZLib error: %s", SAFE_MSG(sp)); - return (0); - } - } while (sp->stream.avail_out > 0); - if (sp->stream.avail_out != 0) { - TIFFErrorExt(tif->tif_clientdata, module, - "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) -{ - static const char module[] = "ZIPSetupEncode"; - ZIPState* sp = EncoderState(tif); - - assert(sp != NULL); - if (sp->state & ZSTATE_INIT_DECODE) { - inflateEnd(&sp->stream); - sp->state = 0; - } - - if (deflateInit(&sp->stream, sp->zipquality) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s", SAFE_MSG(sp)); - return (0); - } else { - sp->state |= ZSTATE_INIT_ENCODE; - return (1); - } -} - -/* - * Reset encoding state at the start of a strip. - */ -static int -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 ) - 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); -} - -/* - * Encode a chunk of pixels. - */ -static int -ZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) -{ - static const char module[] = "ZIPEncode"; - ZIPState *sp = EncoderState(tif); - - assert(sp != NULL); - assert(sp->state == ZSTATE_INIT_ENCODE); - - (void) s; - sp->stream.next_in = bp; - 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, - "Encoder error: %s", - SAFE_MSG(sp)); - 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 = (uInt) tif->tif_rawdatasize; /* this is a safe typecast, as check is made already in ZIPPreEncode */ - } - } while (sp->stream.avail_in > 0); - return (1); -} - -/* - * Finish off an encoded strip by flushing the last - * string and tacking on an End Of Information code. - */ -static int -ZIPPostEncode(TIFF* tif) -{ - static const char module[] = "ZIPPostEncode"; - ZIPState *sp = EncoderState(tif); - int state; - - sp->stream.avail_in = 0; - do { - state = deflate(&sp->stream, Z_FINISH); - switch (state) { - case Z_STREAM_END: - case Z_OK: - 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, - "ZLib error: %s", SAFE_MSG(sp)); - return (0); - } - } while (state != Z_STREAM_END); - return (1); -} - -static void -ZIPCleanup(TIFF* tif) -{ - ZIPState* sp = ZState(tif); - - assert(sp != 0); - - (void)TIFFPredictorCleanup(tif); - - tif->tif_tagmethods.vgetfield = sp->vgetparent; - 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; - } - _TIFFfree(sp); - tif->tif_data = NULL; - - _TIFFSetDefaultCompressionState(tif); -} - -static int -ZIPVSetField(TIFF* tif, uint32 tag, va_list ap) -{ - static const char module[] = "ZIPVSetField"; - ZIPState* sp = ZState(tif); - - switch (tag) { - case TIFFTAG_ZIPQUALITY: - 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, "ZLib error: %s", - SAFE_MSG(sp)); - return (0); - } - } - return (1); - default: - return (*sp->vsetparent)(tif, tag, ap); - } - /*NOTREACHED*/ -} - -static int -ZIPVGetField(TIFF* tif, uint32 tag, va_list ap) -{ - ZIPState* sp = ZState(tif); - - switch (tag) { - case TIFFTAG_ZIPQUALITY: - *va_arg(ap, int*) = sp->zipquality; - break; - default: - return (*sp->vgetparent)(tif, tag, ap); - } - return (1); -} - -static const TIFFField zipFields[] = { - { TIFFTAG_ZIPQUALITY, 0, 0, TIFF_ANY, 0, TIFF_SETGET_INT, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "", NULL }, -}; - -int -TIFFInitZIP(TIFF* tif, int scheme) -{ - static const char module[] = "TIFFInitZIP"; - ZIPState* sp; - - assert( (scheme == COMPRESSION_DEFLATE) - || (scheme == COMPRESSION_ADOBE_DEFLATE)); - - /* - * Merge codec-specific tag information. - */ - if (!_TIFFMergeFields(tif, zipFields, TIFFArrayCount(zipFields))) { - TIFFErrorExt(tif->tif_clientdata, module, - "Merging Deflate codec-specific tags failed"); - return 0; - } - - /* - * Allocate state block so tag methods have storage to record values. - */ - tif->tif_data = (uint8*) _TIFFmalloc(sizeof (ZIPState)); - if (tif->tif_data == NULL) - goto bad; - sp = ZState(tif); - sp->stream.zalloc = NULL; - sp->stream.zfree = NULL; - sp->stream.opaque = NULL; - sp->stream.data_type = Z_BINARY; - - /* - * Override parent get/set field methods. - */ - sp->vgetparent = tif->tif_tagmethods.vgetfield; - tif->tif_tagmethods.vgetfield = ZIPVGetField; /* hook for codec tags */ - sp->vsetparent = tif->tif_tagmethods.vsetfield; - tif->tif_tagmethods.vsetfield = ZIPVSetField; /* hook for codec tags */ - - /* Default values for codec-specific fields */ - sp->zipquality = Z_DEFAULT_COMPRESSION; /* default comp. level */ - sp->state = 0; - - /* - * 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_setupencode = ZIPSetupEncode; - tif->tif_preencode = ZIPPreEncode; - tif->tif_postencode = ZIPPostEncode; - tif->tif_encoderow = ZIPEncode; - tif->tif_encodestrip = ZIPEncode; - tif->tif_encodetile = ZIPEncode; - tif->tif_cleanup = ZIPCleanup; - /* - * Setup predictor setup. - */ - (void) TIFFPredictorInit(tif); - return (1); -bad: - TIFFErrorExt(tif->tif_clientdata, module, - "No space for ZIP state block"); - return (0); -} -#endif /* ZIP_SUPORT */ - -/* vim: set ts=8 sts=8 sw=8 noet: */ -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ -- cgit v1.2.3