plugins folders renaming

git-svn-id: http://svn.miranda-ng.org/main/trunk@61 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 718 insertions, 0 deletions

diff --git a/plugins/FreeImage/Source/LibTIFF/tif_write.c b/plugins/FreeImage/Source/LibTIFF/tif_write.c
new file mode 100644
index 0000000000..067d3f76fe
--- /dev/null
+++ b/plugins/FreeImage/Source/LibTIFF/tif_write.c
@@ -0,0 +1,718 @@
+/* $Id: tif_write.c,v 1.37 2011/04/10 17:14:09 drolon 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.

+ *

+ * Scanline-oriented Write Support

+ */

+#include "tiffiop.h"

+#include <stdio.h>

+

+#define	STRIPINCR	20		/* expansion factor on strip array */

+

+#define	WRITECHECKSTRIPS(tif, module)				\

+	(((tif)->tif_flags&TIFF_BEENWRITING) || TIFFWriteCheck((tif),0,module))

+#define	WRITECHECKTILES(tif, module)				\

+	(((tif)->tif_flags&TIFF_BEENWRITING) || TIFFWriteCheck((tif),1,module))

+#define	BUFFERCHECK(tif)					\

+	((((tif)->tif_flags & TIFF_BUFFERSETUP) && tif->tif_rawdata) ||	\

+	    TIFFWriteBufferSetup((tif), NULL, (tsize_t) -1))

+

+static	int TIFFGrowStrips(TIFF*, int, const char*);

+static	int TIFFAppendToStrip(TIFF*, tstrip_t, tidata_t, tsize_t);

+

+int

+TIFFWriteScanline(TIFF* tif, tdata_t buf, uint32 row, tsample_t sample)

+{

+	static const char module[] = "TIFFWriteScanline";

+	register TIFFDirectory *td;

+	int status, imagegrew = 0;

+	tstrip_t strip;

+

+	if (!WRITECHECKSTRIPS(tif, module))

+		return (-1);

+	/*

+	 * Handle delayed allocation of data buffer.  This

+	 * permits it to be sized more intelligently (using

+	 * directory information).

+	 */

+	if (!BUFFERCHECK(tif))

+		return (-1);

+	td = &tif->tif_dir;

+	/*

+	 * Extend image length if needed

+	 * (but only for PlanarConfig=1).

+	 */

+	if (row >= td->td_imagelength) {	/* extend image */

+		if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {

+			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,

+		"Can not change \"ImageLength\" when using separate planes");

+			return (-1);

+		}

+		td->td_imagelength = row+1;

+		imagegrew = 1;

+	}

+	/*

+	 * Calculate strip and check for crossings.

+	 */

+	if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {

+		if (sample >= td->td_samplesperpixel) {

+			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,

+			    "%d: Sample out of range, max %d",

+			    sample, td->td_samplesperpixel);

+			return (-1);

+		}

+		strip = sample*td->td_stripsperimage + row/td->td_rowsperstrip;

+	} else

+		strip = row / td->td_rowsperstrip;

+	/*

+	 * Check strip array to make sure there's space. We don't support

+	 * dynamically growing files that have data organized in separate

+	 * bitplanes because it's too painful.  In that case we require that

+	 * the imagelength be set properly before the first write (so that the

+	 * strips array will be fully allocated above).

+	 */

+	if (strip >= td->td_nstrips && !TIFFGrowStrips(tif, 1, module))

+		return (-1);

+	if (strip != tif->tif_curstrip) {

+		/*

+		 * Changing strips -- flush any data present.

+		 */

+		if (!TIFFFlushData(tif))

+			return (-1);

+		tif->tif_curstrip = strip;

+		/*

+		 * Watch out for a growing image.  The value of strips/image

+		 * will initially be 1 (since it can't be deduced until the

+		 * imagelength is known).

+		 */

+		if (strip >= td->td_stripsperimage && imagegrew)

+			td->td_stripsperimage =

+			    TIFFhowmany(td->td_imagelength,td->td_rowsperstrip);

+		tif->tif_row =

+		    (strip % td->td_stripsperimage) * td->td_rowsperstrip;

+		if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {

+			if (!(*tif->tif_setupencode)(tif))

+				return (-1);

+			tif->tif_flags |= TIFF_CODERSETUP;

+		}

+        

+		tif->tif_rawcc = 0;

+		tif->tif_rawcp = tif->tif_rawdata;

+

+		if( td->td_stripbytecount[strip] > 0 )

+		{

+			/* if we are writing over existing tiles, zero length */

+			td->td_stripbytecount[strip] = 0;

+

+			/* this forces TIFFAppendToStrip() to do a seek */

+			tif->tif_curoff = 0;

+		}

+

+		if (!(*tif->tif_preencode)(tif, sample))

+			return (-1);

+		tif->tif_flags |= TIFF_POSTENCODE;

+	}

+	/*

+	 * Ensure the write is either sequential or at the

+	 * beginning of a strip (or that we can randomly

+	 * access the data -- i.e. no encoding).

+	 */

+	if (row != tif->tif_row) {

+		if (row < tif->tif_row) {

+			/*

+			 * Moving backwards within the same strip:

+			 * backup to the start and then decode

+			 * forward (below).

+			 */

+			tif->tif_row = (strip % td->td_stripsperimage) *

+			    td->td_rowsperstrip;

+			tif->tif_rawcp = tif->tif_rawdata;

+		}

+		/*

+		 * Seek forward to the desired row.

+		 */

+		if (!(*tif->tif_seek)(tif, row - tif->tif_row))

+			return (-1);

+		tif->tif_row = row;

+	}

+

+        /* swab if needed - note that source buffer will be altered */

+        tif->tif_postdecode( tif, (tidata_t) buf, tif->tif_scanlinesize );

+

+	status = (*tif->tif_encoderow)(tif, (tidata_t) buf,

+	    tif->tif_scanlinesize, sample);

+

+        /* we are now poised at the beginning of the next row */

+	tif->tif_row = row + 1;

+	return (status);

+}

+

+/*

+ * Encode the supplied data and write it to the

+ * specified strip.

+ *

+ * NB: Image length must be setup before writing.

+ */

+tsize_t

+TIFFWriteEncodedStrip(TIFF* tif, tstrip_t strip, tdata_t data, tsize_t cc)

+{

+	static const char module[] = "TIFFWriteEncodedStrip";

+	TIFFDirectory *td = &tif->tif_dir;

+	tsample_t sample;

+

+	if (!WRITECHECKSTRIPS(tif, module))

+		return ((tsize_t) -1);

+	/*

+	 * Check strip array to make sure there's space.

+	 * We don't support dynamically growing files that

+	 * have data organized in separate bitplanes because

+	 * it's too painful.  In that case we require that

+	 * the imagelength be set properly before the first

+	 * write (so that the strips array will be fully

+	 * allocated above).

+	 */

+	if (strip >= td->td_nstrips) {

+		if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {

+			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,

+		"Can not grow image by strips when using separate planes");

+			return ((tsize_t) -1);

+		}

+		if (!TIFFGrowStrips(tif, 1, module))

+			return ((tsize_t) -1);

+		td->td_stripsperimage =

+		    TIFFhowmany(td->td_imagelength, td->td_rowsperstrip);

+	}

+	/*

+	 * Handle delayed allocation of data buffer.  This

+	 * permits it to be sized according to the directory

+	 * info.

+	 */

+	if (!BUFFERCHECK(tif))

+		return ((tsize_t) -1);

+	tif->tif_curstrip = strip;

+	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;

+	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {

+		if (!(*tif->tif_setupencode)(tif))

+			return ((tsize_t) -1);

+		tif->tif_flags |= TIFF_CODERSETUP;

+	}

+        

+	tif->tif_rawcc = 0;

+	tif->tif_rawcp = tif->tif_rawdata;

+

+        if( td->td_stripbytecount[strip] > 0 )

+        {

+	    /* Force TIFFAppendToStrip() to consider placing data at end

+               of file. */

+            tif->tif_curoff = 0;

+        }

+        

+	tif->tif_flags &= ~TIFF_POSTENCODE;

+	sample = (tsample_t)(strip / td->td_stripsperimage);

+	if (!(*tif->tif_preencode)(tif, sample))

+		return ((tsize_t) -1);

+

+        /* swab if needed - note that source buffer will be altered */

+        tif->tif_postdecode( tif, (tidata_t) data, cc );

+

+	if (!(*tif->tif_encodestrip)(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(tif->tif_rawdata, tif->tif_rawcc);

+	if (tif->tif_rawcc > 0 &&

+	    !TIFFAppendToStrip(tif, strip, tif->tif_rawdata, tif->tif_rawcc))

+		return ((tsize_t) -1);

+	tif->tif_rawcc = 0;

+	tif->tif_rawcp = tif->tif_rawdata;

+	return (cc);

+}

+

+/*

+ * Write the supplied data to the specified strip.

+ *

+ * NB: Image length must be setup before writing.

+ */

+tsize_t

+TIFFWriteRawStrip(TIFF* tif, tstrip_t strip, tdata_t data, tsize_t cc)

+{

+	static const char module[] = "TIFFWriteRawStrip";

+	TIFFDirectory *td = &tif->tif_dir;

+

+	if (!WRITECHECKSTRIPS(tif, module))

+		return ((tsize_t) -1);

+	/*

+	 * Check strip array to make sure there's space.

+	 * We don't support dynamically growing files that

+	 * have data organized in separate bitplanes because

+	 * it's too painful.  In that case we require that

+	 * the imagelength be set properly before the first

+	 * write (so that the strips array will be fully

+	 * allocated above).

+	 */

+	if (strip >= td->td_nstrips) {

+		if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {

+			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,

+		"Can not grow image by strips when using separate planes");

+			return ((tsize_t) -1);

+		}

+		/*

+		 * Watch out for a growing image.  The value of

+		 * strips/image will initially be 1 (since it

+		 * can't be deduced until the imagelength is known).

+		 */

+		if (strip >= td->td_stripsperimage)

+			td->td_stripsperimage =

+			    TIFFhowmany(td->td_imagelength,td->td_rowsperstrip);

+		if (!TIFFGrowStrips(tif, 1, module))

+			return ((tsize_t) -1);

+	}

+	tif->tif_curstrip = strip;

+	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;

+	return (TIFFAppendToStrip(tif, strip, (tidata_t) data, cc) ?

+	    cc : (tsize_t) -1);

+}

+

+/*

+ * Write and compress a tile of data.  The

+ * tile is selected by the (x,y,z,s) coordinates.

+ */

+tsize_t

+TIFFWriteTile(TIFF* tif,

+    tdata_t buf, uint32 x, uint32 y, uint32 z, tsample_t s)

+{

+	if (!TIFFCheckTile(tif, x, y, z, s))

+		return (-1);

+	/*

+	 * NB: A tile size of -1 is used instead of tif_tilesize knowing

+	 *     that TIFFWriteEncodedTile will clamp this to the tile size.

+	 *     This is done because the tile size may not be defined until

+	 *     after the output buffer is setup in TIFFWriteBufferSetup.

+	 */

+	return (TIFFWriteEncodedTile(tif,

+	    TIFFComputeTile(tif, x, y, z, s), buf, (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).

+ */

+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);

+}

+

+/*

+ * 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);

+}

+

+#define	isUnspecified(tif, f) \

+    (TIFFFieldSet(tif,f) && (tif)->tif_dir.td_imagelength == 0)

+

+int

+TIFFSetupStrips(TIFF* tif)

+{

+	TIFFDirectory* td = &tif->tif_dir;

+

+	if (isTiled(tif))

+		td->td_stripsperimage =

+		    isUnspecified(tif, FIELD_TILEDIMENSIONS) ?

+			td->td_samplesperpixel : TIFFNumberOfTiles(tif);

+	else

+		td->td_stripsperimage =

+		    isUnspecified(tif, FIELD_ROWSPERSTRIP) ?

+			td->td_samplesperpixel : TIFFNumberOfStrips(tif);

+	td->td_nstrips = td->td_stripsperimage;

+	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)

+		td->td_stripsperimage /= td->td_samplesperpixel;

+	td->td_stripoffset = (uint32 *)

+	    _TIFFmalloc(td->td_nstrips * sizeof (uint32));

+	td->td_stripbytecount = (uint32 *)

+	    _TIFFmalloc(td->td_nstrips * sizeof (uint32));

+	if (td->td_stripoffset == NULL || td->td_stripbytecount == NULL)

+		return (0);

+	/*

+	 * Place data at the end-of-file

+	 * (by setting offsets to zero).

+	 */

+	_TIFFmemset(td->td_stripoffset, 0, td->td_nstrips*sizeof (uint32));

+	_TIFFmemset(td->td_stripbytecount, 0, td->td_nstrips*sizeof (uint32));

+	TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);

+	TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);

+	return (1);

+}

+#undef isUnspecified

+

+/*

+ * Verify file is writable and that the directory

+ * information is setup properly.  In doing the latter

+ * we also "freeze" the state of the directory so

+ * that important information is not changed.

+ */

+int

+TIFFWriteCheck(TIFF* tif, int tiles, const char* module)

+{

+	if (tif->tif_mode == O_RDONLY) {

+		TIFFErrorExt(tif->tif_clientdata, module, "%s: File not open for writing",

+		    tif->tif_name);

+		return (0);

+	}

+	if (tiles ^ isTiled(tif)) {

+		TIFFErrorExt(tif->tif_clientdata, tif->tif_name, tiles ?

+		    "Can not write tiles to a stripped image" :

+		    "Can not write scanlines to a tiled image");

+		return (0);

+	}

+        

+	/*

+	 * On the first write verify all the required information

+	 * has been setup and initialize any data structures that

+	 * had to wait until directory information was set.

+	 * Note that a lot of our work is assumed to remain valid

+	 * because we disallow any of the important parameters

+	 * from changing after we start writing (i.e. once

+	 * TIFF_BEENWRITING is set, TIFFSetField will only allow

+	 * the image's length to be changed).

+	 */

+	if (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS)) {

+		TIFFErrorExt(tif->tif_clientdata, module,

+		    "%s: Must set \"ImageWidth\" before writing data",

+		    tif->tif_name);

+		return (0);

+	}

+	if (tif->tif_dir.td_samplesperpixel == 1) {

+		/* 

+		 * Planarconfiguration is irrelevant in case of single band

+		 * images and need not be included. We will set it anyway,

+		 * because this field is used in other parts of library even

+		 * in the single band case.

+		 */

+		if (!TIFFFieldSet(tif, FIELD_PLANARCONFIG))

+                    tif->tif_dir.td_planarconfig = PLANARCONFIG_CONTIG;

+	} else {

+		if (!TIFFFieldSet(tif, FIELD_PLANARCONFIG)) {

+			TIFFErrorExt(tif->tif_clientdata, module,

+		    "%s: Must set \"PlanarConfiguration\" before writing data",

+			    tif->tif_name);

+			return (0);

+		}

+	}

+	if (tif->tif_dir.td_stripoffset == NULL && !TIFFSetupStrips(tif)) {

+		tif->tif_dir.td_nstrips = 0;

+		TIFFErrorExt(tif->tif_clientdata, module, "%s: No space for %s arrays",

+		    tif->tif_name, isTiled(tif) ? "tile" : "strip");

+		return (0);

+	}

+	tif->tif_tilesize = isTiled(tif) ? TIFFTileSize(tif) : (tsize_t) -1;

+	tif->tif_scanlinesize = TIFFScanlineSize(tif);

+	tif->tif_flags |= TIFF_BEENWRITING;

+	return (1);

+}

+

+/*

+ * Setup the raw data buffer used for encoding.

+ */

+int

+TIFFWriteBufferSetup(TIFF* tif, tdata_t bp, tsize_t size)

+{

+	static const char module[] = "TIFFWriteBufferSetup";

+

+	if (tif->tif_rawdata) {

+		if (tif->tif_flags & TIFF_MYBUFFER) {

+			_TIFFfree(tif->tif_rawdata);

+			tif->tif_flags &= ~TIFF_MYBUFFER;

+		}

+		tif->tif_rawdata = NULL;

+	}

+	if (size == (tsize_t) -1) {

+		size = (isTiled(tif) ?

+		    tif->tif_tilesize : TIFFStripSize(tif));

+		/*

+		 * Make raw data buffer at least 8K

+		 */

+		if (size < 8*1024)

+			size = 8*1024;

+		bp = NULL;			/* NB: force malloc */

+	}

+	if (bp == NULL) {

+		bp = _TIFFmalloc(size);

+		if (bp == NULL) {

+			TIFFErrorExt(tif->tif_clientdata, module, "%s: No space for output buffer",

+			    tif->tif_name);

+			return (0);

+		}

+		tif->tif_flags |= TIFF_MYBUFFER;

+	} else

+		tif->tif_flags &= ~TIFF_MYBUFFER;

+	tif->tif_rawdata = (tidata_t) bp;

+	tif->tif_rawdatasize = size;

+	tif->tif_rawcc = 0;

+	tif->tif_rawcp = tif->tif_rawdata;

+	tif->tif_flags |= TIFF_BUFFERSETUP;

+	return (1);

+}

+

+/*

+ * Grow the strip data structures by delta strips.

+ */

+static int

+TIFFGrowStrips(TIFF* tif, int delta, const char* module)

+{

+	TIFFDirectory	*td = &tif->tif_dir;

+	uint32		*new_stripoffset, *new_stripbytecount;

+

+	assert(td->td_planarconfig == PLANARCONFIG_CONTIG);

+	new_stripoffset = (uint32*)_TIFFrealloc(td->td_stripoffset,

+		(td->td_nstrips + delta) * sizeof (uint32));

+	new_stripbytecount = (uint32*)_TIFFrealloc(td->td_stripbytecount,

+		(td->td_nstrips + delta) * sizeof (uint32));

+	if (new_stripoffset == NULL || new_stripbytecount == NULL) {

+		if (new_stripoffset)

+			_TIFFfree(new_stripoffset);

+		if (new_stripbytecount)

+			_TIFFfree(new_stripbytecount);

+		td->td_nstrips = 0;

+		TIFFErrorExt(tif->tif_clientdata, module, "%s: No space to expand strip arrays",

+			  tif->tif_name);

+		return (0);

+	}

+	td->td_stripoffset = new_stripoffset;

+	td->td_stripbytecount = new_stripbytecount;

+	_TIFFmemset(td->td_stripoffset + td->td_nstrips,

+		    0, delta*sizeof (uint32));

+	_TIFFmemset(td->td_stripbytecount + td->td_nstrips,

+		    0, delta*sizeof (uint32));

+	td->td_nstrips += delta;

+	return (1);

+}

+

+/*

+ * Append the data to the specified strip.

+ */

+static int

+TIFFAppendToStrip(TIFF* tif, tstrip_t strip, tidata_t data, tsize_t cc)

+{

+	static const char module[] = "TIFFAppendToStrip";

+	TIFFDirectory *td = &tif->tif_dir;

+

+	if (td->td_stripoffset[strip] == 0 || tif->tif_curoff == 0) {

+            assert(td->td_nstrips > 0);

+

+            if( td->td_stripbytecount[strip] != 0 

+                && td->td_stripoffset[strip] != 0 

+                && td->td_stripbytecount[strip] >= cc )

+            {

+                /* 

+                 * There is already tile data on disk, and the new tile

+                 * data we have to will fit in the same space.  The only 

+                 * aspect of this that is risky is that there could be

+                 * more data to append to this strip before we are done

+                 * depending on how we are getting called.

+                 */

+                if (!SeekOK(tif, td->td_stripoffset[strip])) {

+                    TIFFErrorExt(tif->tif_clientdata, module,

+                                 "Seek error at scanline %lu",

+                                 (unsigned long)tif->tif_row);

+                    return (0);

+                }

+            }

+            else

+            {

+                /* 

+                 * Seek to end of file, and set that as our location to 

+                 * write this strip.

+                 */

+                td->td_stripoffset[strip] = TIFFSeekFile(tif, 0, SEEK_END);

+            }

+

+            tif->tif_curoff = td->td_stripoffset[strip];

+

+            /*

+             * We are starting a fresh strip/tile, so set the size to zero.

+             */

+            td->td_stripbytecount[strip] = 0;

+	}

+

+	if (!WriteOK(tif, data, cc)) {

+		TIFFErrorExt(tif->tif_clientdata, module, "Write error at scanline %lu",

+		    (unsigned long) tif->tif_row);

+		    return (0);

+	}

+	tif->tif_curoff =  tif->tif_curoff+cc;

+	td->td_stripbytecount[strip] += cc;

+	return (1);

+}

+

+/*

+ * Internal version of TIFFFlushData that can be

+ * called by ``encodestrip routines'' w/o concern

+ * for infinite recursion.

+ */

+int

+TIFFFlushData1(TIFF* tif)

+{

+	if (tif->tif_rawcc > 0) {

+		if (!isFillOrder(tif, tif->tif_dir.td_fillorder) &&

+		    (tif->tif_flags & TIFF_NOBITREV) == 0)

+			TIFFReverseBits((unsigned char *)tif->tif_rawdata,

+			    tif->tif_rawcc);

+		if (!TIFFAppendToStrip(tif,

+		    isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip,

+		    tif->tif_rawdata, tif->tif_rawcc))

+			return (0);

+		tif->tif_rawcc = 0;

+		tif->tif_rawcp = tif->tif_rawdata;

+	}

+	return (1);

+}

+

+/*

+ * Set the current write offset.  This should only be

+ * used to set the offset to a known previous location

+ * (very carefully), or to 0 so that the next write gets

+ * appended to the end of the file.

+ */

+void

+TIFFSetWriteOffset(TIFF* tif, toff_t off)

+{

+	tif->tif_curoff = off;

+}

+

+/* vim: set ts=8 sts=8 sw=8 noet: */

+/*

+ * Local Variables:

+ * mode: c

+ * c-basic-offset: 8

+ * fill-column: 78

+ * End:

+ */