diff options
Diffstat (limited to 'third_party/libtiff/tif_dumpmode.c')
| -rw-r--r-- | third_party/libtiff/tif_dumpmode.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/third_party/libtiff/tif_dumpmode.c b/third_party/libtiff/tif_dumpmode.c new file mode 100644 index 0000000000..a94cf0b34a --- /dev/null +++ b/third_party/libtiff/tif_dumpmode.c @@ -0,0 +1,143 @@ +/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dumpmode.c,v 1.14 2011-04-02 20:54:09 bfriesen Exp $ */ + +/* + * Copyright (c) 1988-1997 Sam Leffler + * Copyright (c) 1991-1997 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. + */ + +/* + * TIFF Library. + * + * "Null" Compression Algorithm Support. + */ +#include "tiffiop.h" + +static int +DumpFixupTags(TIFF* tif) +{ + (void) tif; + return (1); +} + +/* + * Encode a hunk of pixels. + */ +static int +DumpModeEncode(TIFF* tif, uint8* pp, tmsize_t cc, uint16 s) +{ + (void) s; + while (cc > 0) { + tmsize_t n; + + n = cc; + if (tif->tif_rawcc + n > tif->tif_rawdatasize) + n = tif->tif_rawdatasize - tif->tif_rawcc; + + assert( n > 0 ); + + /* + * Avoid copy if client has setup raw + * data buffer to avoid extra copy. + */ + if (tif->tif_rawcp != pp) + _TIFFmemcpy(tif->tif_rawcp, pp, n); + tif->tif_rawcp += n; + tif->tif_rawcc += n; + pp += n; + cc -= n; + if (tif->tif_rawcc >= tif->tif_rawdatasize && + !TIFFFlushData1(tif)) + return (-1); + } + return (1); +} + +/* + * Decode a hunk of pixels. + */ +static int +DumpModeDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s) +{ + static const char module[] = "DumpModeDecode"; + (void) s; + if (tif->tif_rawcc < cc) { +#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__)) + TIFFErrorExt(tif->tif_clientdata, module, +"Not enough data for scanline %lu, expected a request for at most %I64d bytes, got a request for %I64d bytes", + (unsigned long) tif->tif_row, + (signed __int64) tif->tif_rawcc, + (signed __int64) cc); +#else + TIFFErrorExt(tif->tif_clientdata, module, +"Not enough data for scanline %lu, expected a request for at most %lld bytes, got a request for %lld bytes", + (unsigned long) tif->tif_row, + (signed long long) tif->tif_rawcc, + (signed long long) cc); +#endif + return (0); + } + /* + * Avoid copy if client has setup raw + * data buffer to avoid extra copy. + */ + if (tif->tif_rawcp != buf) + _TIFFmemcpy(buf, tif->tif_rawcp, cc); + tif->tif_rawcp += cc; + tif->tif_rawcc -= cc; + return (1); +} + +/* + * Seek forwards nrows in the current strip. + */ +static int +DumpModeSeek(TIFF* tif, uint32 nrows) +{ + tif->tif_rawcp += nrows * tif->tif_scanlinesize; + tif->tif_rawcc -= nrows * tif->tif_scanlinesize; + return (1); +} + +/* + * Initialize dump mode. + */ +int +TIFFInitDumpMode(TIFF* tif, int scheme) +{ + (void) scheme; + tif->tif_fixuptags = DumpFixupTags; + tif->tif_decoderow = DumpModeDecode; + tif->tif_decodestrip = DumpModeDecode; + tif->tif_decodetile = DumpModeDecode; + tif->tif_encoderow = DumpModeEncode; + tif->tif_encodestrip = DumpModeEncode; + tif->tif_encodetile = DumpModeEncode; + tif->tif_seek = DumpModeSeek; + return (1); +} +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |