diff options
Diffstat (limited to 'third_party/libtiff/tif_write.c')
| -rw-r--r-- | third_party/libtiff/tif_write.c | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/third_party/libtiff/tif_write.c b/third_party/libtiff/tif_write.c index 7996c31e08..34c4d81a09 100644 --- a/third_party/libtiff/tif_write.c +++ b/third_party/libtiff/tif_write.c @@ -1,4 +1,4 @@ -/* $Id: tif_write.c,v 1.42 2015-06-07 23:00:23 bfriesen Exp $ */ +/* $Id: tif_write.c,v 1.45 2016-09-23 22:12:18 erouault Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler @@ -258,6 +258,23 @@ TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc) tif->tif_rawcp = tif->tif_rawdata; tif->tif_flags &= ~TIFF_POSTENCODE; + + /* shortcut to avoid an extra memcpy() */ + if( td->td_compression == COMPRESSION_NONE ) + { + /* swab if needed - note that source buffer will be altered */ + tif->tif_postdecode( tif, (uint8*) data, cc ); + + if (!isFillOrder(tif, td->td_fillorder) && + (tif->tif_flags & TIFF_NOBITREV) == 0) + TIFFReverseBits((uint8*) data, cc); + + if (cc > 0 && + !TIFFAppendToStrip(tif, strip, (uint8*) data, cc)) + return ((tmsize_t) -1); + return (cc); + } + sample = (uint16)(strip / td->td_stripsperimage); if (!(*tif->tif_preencode)(tif, sample)) return ((tmsize_t) -1); @@ -266,7 +283,7 @@ TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc) tif->tif_postdecode( tif, (uint8*) data, cc ); if (!(*tif->tif_encodestrip)(tif, (uint8*) data, cc, sample)) - return (0); + return ((tmsize_t) -1); if (!(*tif->tif_postencode)(tif)) return ((tmsize_t) -1); if (!isFillOrder(tif, td->td_fillorder) && @@ -431,9 +448,7 @@ TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc) tif->tif_flags |= TIFF_CODERSETUP; } tif->tif_flags &= ~TIFF_POSTENCODE; - sample = (uint16)(tile/td->td_stripsperimage); - if (!(*tif->tif_preencode)(tif, sample)) - return ((tmsize_t)(-1)); + /* * Clamp write amount to the tile size. This is mostly * done so that callers can pass in some large number @@ -442,11 +457,30 @@ TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc) if ( cc < 1 || cc > tif->tif_tilesize) cc = tif->tif_tilesize; + /* shortcut to avoid an extra memcpy() */ + if( td->td_compression == COMPRESSION_NONE ) + { + /* swab if needed - note that source buffer will be altered */ + tif->tif_postdecode( tif, (uint8*) data, cc ); + + if (!isFillOrder(tif, td->td_fillorder) && + (tif->tif_flags & TIFF_NOBITREV) == 0) + TIFFReverseBits((uint8*) data, cc); + + if (cc > 0 && + !TIFFAppendToStrip(tif, tile, (uint8*) data, cc)) + return ((tmsize_t) -1); + return (cc); + } + + sample = (uint16)(tile/td->td_stripsperimage); + if (!(*tif->tif_preencode)(tif, sample)) + return ((tmsize_t)(-1)); /* swab if needed - note that source buffer will be altered */ tif->tif_postdecode( tif, (uint8*) data, cc ); if (!(*tif->tif_encodetile)(tif, (uint8*) data, cc, sample)) - return (0); + return ((tmsize_t) -1); if (!(*tif->tif_postencode)(tif)) return ((tmsize_t)(-1)); if (!isFillOrder(tif, td->td_fillorder) && @@ -764,7 +798,14 @@ TIFFFlushData1(TIFF* tif) if (!TIFFAppendToStrip(tif, isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip, tif->tif_rawdata, tif->tif_rawcc)) + { + /* We update those variables even in case of error since there's */ + /* code that doesn't really check the return code of this */ + /* function */ + tif->tif_rawcc = 0; + tif->tif_rawcp = tif->tif_rawdata; return (0); + } tif->tif_rawcc = 0; tif->tif_rawcp = tif->tif_rawdata; } |