/*
* Write the supplied data to the specified strip.
* There must be space for the data; we don't check
* if strips overlap!
*
* NB: Image length must be setup before writing; this
* interface does not support automatically growing
* the image on each write (as TIFFWriteScanline does).
*/
tmsize_t
TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc)
{
static const char module[] = "TIFFWriteRawTile";
if (!WRITECHECKTILES(tif, module))
return ((tmsize_t)(-1));
if (tile >= tif->tif_dir.td_nstrips) {
TIFFErrorExt(tif->tif_clientdata, module, "Tile %lu out of range, max %lu",
(unsigned long) tile,
(unsigned long) tif->tif_dir.td_nstrips);
return ((tmsize_t)(-1));
}
return (TIFFAppendToStrip(tif, tile, (uint8*) data, cc) ?
cc : (tmsize_t)(-1));
}
/*
* Write the supplied data to the specified strip.
* There must be space for the data; we don't check
* if strips overlap!
*
* NB: Image length must be setup before writing; this
* interface does not support automatically growing
* the image on each write (as TIFFWriteScanline does).
*/
tsize_t
TIFFWriteRawTile(TIFF* tif, ttile_t tile, tdata_t data, tsize_t cc)
{
static const char module[] = "TIFFWriteRawTile";
if (!WRITECHECKTILES(tif, module))
return ((tsize_t) -1);
if (tile >= tif->tif_dir.td_nstrips) {
TIFFErrorExt(tif->tif_clientdata, module, "%s: Tile %lu out of range, max %lu",
tif->tif_name, (unsigned long) tile,
(unsigned long) tif->tif_dir.td_nstrips);
return ((tsize_t) -1);
}
return (TIFFAppendToStrip(tif, tile, (tidata_t) data, cc) ?
cc : (tsize_t) -1);
}
/*
* Encode the supplied data and write it to the
* specified tile. There must be space for the
* data. The function clamps individual writes
* to a tile to the tile size, but does not (and
* can not) check that multiple writes to the same
* tile do not write more than tile size data.
*
* NB: Image length must be setup before writing; this
* interface does not support automatically growing
* the image on each write (as TIFFWriteScanline does).
*/
tmsize_t
TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc)
{
static const char module[] = "TIFFWriteEncodedTile";
TIFFDirectory *td;
uint16 sample;
uint32 howmany32;
if (!WRITECHECKTILES(tif, module))
return ((tmsize_t)(-1));
td = &tif->tif_dir;
if (tile >= td->td_nstrips) {
TIFFErrorExt(tif->tif_clientdata, module, "Tile %lu out of range, max %lu",
(unsigned long) tile, (unsigned long) td->td_nstrips);
return ((tmsize_t)(-1));
}
/*
* Handle delayed allocation of data buffer. This
* permits it to be sized more intelligently (using
* directory information).
*/
if (!BUFFERCHECK(tif))
return ((tmsize_t)(-1));
tif->tif_flags |= TIFF_BUF4WRITE;
tif->tif_curtile = tile;
if( td->td_stripbytecount[tile] > 0 )
{
/* Make sure that at the first attempt of rewriting the tile, we will have */
/* more bytes available in the output buffer than the previous byte count, */
/* so that TIFFAppendToStrip() will detect the overflow when it is called the first */
/* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
if( tif->tif_rawdatasize <= (tmsize_t) td->td_stripbytecount[tile] )
{
if( !(TIFFWriteBufferSetup(tif, NULL,
(tmsize_t)TIFFroundup_64((uint64)(td->td_stripbytecount[tile] + 1), 1024))) )
return ((tmsize_t)(-1));
}
/* Force TIFFAppendToStrip() to consider placing data at end
of file. */
tif->tif_curoff = 0;
}
tif->tif_rawcc = 0;
tif->tif_rawcp = tif->tif_rawdata;
/*
* Compute tiles per row & per column to compute
* current row and column
*/
howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);
if (howmany32 == 0) {
TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
return ((tmsize_t)(-1));
}
tif->tif_row = (tile % howmany32) * td->td_tilelength;
howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);
if (howmany32 == 0) {
TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
return ((tmsize_t)(-1));
}
tif->tif_col = (tile % howmany32) * td->td_tilewidth;
if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
if (!(*tif->tif_setupencode)(tif))
return ((tmsize_t)(-1));
tif->tif_flags |= TIFF_CODERSETUP;
}
tif->tif_flags &= ~TIFF_POSTENCODE;
/*
* Clamp write amount to the tile size. This is mostly
* done so that callers can pass in some large number
* (e.g. -1) and have the tile size used instead.
*/
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 ((tmsize_t) -1);
if (!(*tif->tif_postencode)(tif))
return ((tmsize_t)(-1));
if (!isFillOrder(tif, td->td_fillorder) &&
(tif->tif_flags & TIFF_NOBITREV) == 0)
TIFFReverseBits((uint8*)tif->tif_rawdata, tif->tif_rawcc);
if (tif->tif_rawcc > 0 && !TIFFAppendToStrip(tif, tile,
tif->tif_rawdata, tif->tif_rawcc))
return ((tmsize_t)(-1));
tif->tif_rawcc = 0;
tif->tif_rawcp = tif->tif_rawdata;
return (cc);
}
/*
* Encode the supplied data and write it to the
* specified tile. There must be space for the
* data. The function clamps individual writes
* to a tile to the tile size, but does not (and
* can not) check that multiple writes to the same
* tile do not write more than tile size data.
*
* NB: Image length must be setup before writing; this
* interface does not support automatically growing
* the image on each write (as TIFFWriteScanline does).
*/
tsize_t
TIFFWriteEncodedTile(TIFF* tif, ttile_t tile, tdata_t data, tsize_t cc)
{
static const char module[] = "TIFFWriteEncodedTile";
TIFFDirectory *td;
tsample_t sample;
if (!WRITECHECKTILES(tif, module))
return ((tsize_t) -1);
td = &tif->tif_dir;
if (tile >= td->td_nstrips) {
TIFFErrorExt(tif->tif_clientdata, module, "%s: Tile %lu out of range, max %lu",
tif->tif_name, (unsigned long) tile, (unsigned long) td->td_nstrips);
return ((tsize_t) -1);
}
/*
* Handle delayed allocation of data buffer. This
* permits it to be sized more intelligently (using
* directory information).
*/
if (!BUFFERCHECK(tif))
return ((tsize_t) -1);
tif->tif_curtile = tile;
tif->tif_rawcc = 0;
tif->tif_rawcp = tif->tif_rawdata;
if( td->td_stripbytecount[tile] > 0 )
{
/* Force TIFFAppendToStrip() to consider placing data at end
of file. */
tif->tif_curoff = 0;
}
/*
* Compute tiles per row & per column to compute
* current row and column
*/
tif->tif_row = (tile % TIFFhowmany(td->td_imagelength, td->td_tilelength))
* td->td_tilelength;
tif->tif_col = (tile % TIFFhowmany(td->td_imagewidth, td->td_tilewidth))
* td->td_tilewidth;
if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
if (!(*tif->tif_setupencode)(tif))
return ((tsize_t) -1);
tif->tif_flags |= TIFF_CODERSETUP;
}
tif->tif_flags &= ~TIFF_POSTENCODE;
sample = (tsample_t)(tile/td->td_stripsperimage);
if (!(*tif->tif_preencode)(tif, sample))
return ((tsize_t) -1);
/*
* Clamp write amount to the tile size. This is mostly
* done so that callers can pass in some large number
* (e.g. -1) and have the tile size used instead.
*/
if ( cc < 1 || cc > tif->tif_tilesize)
cc = tif->tif_tilesize;
/* swab if needed - note that source buffer will be altered */
tif->tif_postdecode( tif, (tidata_t) data, cc );
if (!(*tif->tif_encodetile)(tif, (tidata_t) data, cc, sample))
return ((tsize_t) 0);
if (!(*tif->tif_postencode)(tif))
return ((tsize_t) -1);
if (!isFillOrder(tif, td->td_fillorder) &&
(tif->tif_flags & TIFF_NOBITREV) == 0)
TIFFReverseBits((unsigned char *)tif->tif_rawdata, tif->tif_rawcc);
if (tif->tif_rawcc > 0 && !TIFFAppendToStrip(tif, tile,
tif->tif_rawdata, tif->tif_rawcc))
return ((tsize_t) -1);
tif->tif_rawcc = 0;
tif->tif_rawcp = tif->tif_rawdata;
return (cc);
}
